164results about How to "Simplify construction difficulty" patented technology

The invention discloses a mica and graphene co-modified inorganic coating material and a use method thereof, wherein a purpose of the present invention is to overcome the problem of poor adhesion of the inorganic coating on the metal surface. The mica and graphene co-modified inorganic coating material is prepared by adopting mica and graphene to carry out co-modification on an inorganic coating material, wherein the graphene adding amount is 0.1-3% of the mass of the inorganic coating material, and the mica adding amount is 0.1-5% of the mass of the inorganic coating material. According to the invention, the mica and the graphene are matched to carry out co-modification on the existing inorganic coating material performance so as to substantially increase adhesion of the inorganic coating material on the metal surface, and achieve an effect the same as the increased adhesion effect t of the inorganic coating material after carrying out a bland blasting treatment or an etching roughening treatment on the metal surface; a bland blasting treatment or an etching roughening treatment on the metal surface is not required so as to substantially simplify construction difficulty; and weathering resistance, high temperature resistance, thermal insulation and insulation property of the inorganic coating material can be substantially improved.

The invention discloses a prefabricated reinforced concrete column with a high-performance concrete frame, which adopts a thought of partially prefabricating and partially casting in situ, and is composed of a prefabricated part and a cast-in-situ part. The prefabricated reinforced concrete column with the high-performance concrete frame comprises a prefabricated high-performance concrete hollow column, longitudinal bars arranged in the prefabricated high-performance concrete hollow column along the length direction of the column, reinforcing steel bars and stirrups which are equidistantly paved on the cross section of the prefabricated high-performance concrete hollow column, the reinforcing steel bars crossing the central cavity of the prefabricated high-performance concrete hollow column, and the end heads of the reinforcing steel bars connected to the inner sides of the stirrups, and cast-in-situ common concrete filled in the central cavity of the prefabricated high-performance concrete hollow column. The invention further provides a construction method of the prefabricated reinforced concrete column, the prefabricated high-performance concrete hollow column is capable of generating an annular constraining force on the cast-in-situ common concrete, and thus improving the bearing capacity of the prefabricated reinforced concrete column, improving the overall performance and anti-seismic property of the structure, improving the deformation capacity of the member during transport and hoisting processes, and achieving comprehensive improvement and enhancement of the stress performance and the user performance of the prefabricated reinforced concrete member.

A tidal energy seawater desalination system wherein a seawater evaporation tower is configured with a vacuum pump which connects with a tidal energy power device, and connects a seawater evaporation tower via pipelines, an output end of the pump connects a steam condensation tower via pipelines; alternatively the evaporation tower comprises a floating barrel and a stationary barrel, the floating barrel connects with the power device, the top of the stationary barrel connecting the steam condensation tower via pipelines; the pipeline introducing the steam into the condensation tower first connects a steam pressure tank, a steam turbine connects the tank via pipelines, the power output shaft of the turbine connects generator sets, and in turn, the turbine connecting the condensation tower via pipelines, such that the system is also a power generation system; on the offshore of which is provided with solar water heater and wind driven generator.

The invention provides a connection joint of a concrete column and a steel beam, belongs to the technical field of construction engineering, and solves the technical problems of low strength, construction difficulty and the like of an existing connection joint of the concrete column and the steel beam. The connection joint of the concrete column and the steel beam comprises the concrete column, the steel beam, a half steel sleeve I and a half steel sleeve II. The half steel sleeve I and the half steel sleeve II are detachably connected and can be sleeved on the concrete column after being connected; the half steel sleeve I or the half steel sleeve II is fixedly connected with a connection arm which is detachably connected with the steel beam; and the concrete column is provided with a projecting shoulder, and the half steel sleeve I and the half steel sleeve II can abut against the projecting shoulder. The connection joint of the concrete column and the steel beam has the advantage of being high in bearing capacity and simple in construction.

The embodiment of the invention discloses a passive optical network port switching method, an optical line terminal and an optical network system. The method comprises the following steps: acquiring the adjustment parameters from a main optical line terminal port; adjusting the data frame head and the clock phase of a spare optical line terminal port corresponding to a same optical network unit ONU to be consistent with the main optical line terminal port according to the adjustment parameters; and when the main optical line terminal port or a main optical fiber has a failure, replacing the main optical line terminal port with the spare optical line terminal port which has the adjusted data frame head and clock phase. Correspondingly, the embodiment of the invention provides an optical line terminal and an optical network system. The technical proposal provided by the embodiment of the invention can realize the rapid switching between the main port and the spare port when a network failure occurs.

The invention discloses a method for installing a steel cofferdam by the aid of a pier supporting frame. The method comprises that a lifting frame and a guide frame are installed on a pier, the steel cofferdam is divided into a plurality of steel cofferdam sections according to actual conditions, and each of the steel cofferdam sections is divided into a plurality of steel cofferdam units with chamfer angles. During construction, the lifting frame which is located at the top of the pier or on one side of the pier and is used for lifting the steel cofferdam is installed firstly, the guide frame which is located on one side of the pier and can be used for guiding and positioning the underwater steel cofferdam is installed, finally, steel cofferdam units are lifted horizontally and then adjusted to be vertical, and the steel cofferdam having a self-balancing capability can be formed through lifting and assembly of sections and units by the aid of the lifting frame and the guide frame in such a sequence that upstream steel cofferdam units and downstream steel cofferdam units are installed and then steel cofferdam units in the middle are installed. The method can effectively solve the problems of assembly, positioning and sinking of the steel cofferdam in a narrow and small space on the condition that no large lifting device is provided, and the method has the advantages of being good in adaptability, simple in structure, convenient to manufacture, good in operability, safe, reliable, good in economical efficiency, good in application prospect and the like.

The invention discloses a floating drilling platform used for bridge construction and a construction technology thereof. The floating drilling platform comprises a floating supporting platform, a temporary fixing device used for temporarily fixing the floating supporting platform, and a hoisting system distributed on the floating supporting platform; the floating supporting platform comprises horizontal floating bodies, a horizontal supporting framework and horizontal steel plates, wherein the horizontal floating bodies are formed by assembling a plurality of small floating boxes; lowering through holes used for lowering steel casings are arranged on the horizontal steel plates; and the lowering passages are correspondingly reserved on the horizontal supporting framework and the horizontal floating bodies. The construction technology of the floating drilling platform comprises the steps of: firstly, assembling the floating supporting platform; secondly, shifting the floating supporting platform; thirdly, temporarily fixing the floating supporting platform; fourthly, lowering the steel casings; fifthly, constructing drilling piles; and sixthly, constructing base slabs in water. The floating drilling platform and the construction technology disclosed by the invention have the advantages of reasonable design, convenience for construction, low construction cost, good using effect, and capability of solving the problems of large restriction of geographical conditions, incapability of driving drilling pile foundations, incapability of positioning and inserting-piling the steel casings and the like of the traditional floating platform.

The invention discloses a prefabricated and assembly type steel reinforced concrete column with a high-performance concrete frame. The prefabricated and assembly type steel reinforced concrete column adopts an idea of partial prefabricated assembly and partial casting in situ and comprises a prefabricated part and a cast-in-situ part. The prefabricated assembly type steel reinforced concrete column comprises a prefabricated high-performance concrete hollow column, longitudinal bars, section steel, stirrups and cast-in-situ common concrete, wherein the longitudinal bars are arranged in the prefabricated high-performance concrete hollow column along the column-length direction; the section steel is arranged in the prefabricated high-performance concrete hollow column along the column-length direction; the stirrups are spread on the cross section of the prefabricated high-performance concrete hollow column at equal intervals; the longitudinal bars and the section steel are enclosed by the stirrups; a central cavity of the prefabricated high-performance concrete hollow column is filled with the cast-in-situ common concrete. The invention also provides a construction method. The prefabricated and assembly type steel reinforced concrete column with a high-performance concrete frame and the construction method disclosed by the invention have the advantages that the hollow prefabricated high-performance concrete column can generate circumferential constraining force for the cast-in-situ common concrete, so that the bearing capability is improved, the whole performance and the seismic resistance of the structure are improved, the deformation capability of a member in the process of transportation and lifting is improved, and the comprehensive improvement and enhancement of the stressing performance and the use performance of the prefabricated steel reinforced concrete member are realized.

A prefabricated heat-nisulating light-weight plate for assembled granary is composed of internal and external high-strength cement mortar layers made up of high-strength fast-hardening sulpho-aluminous cement, and core layer with through holes and made of concrete and light-weight filler. The glass fibre fabric and dual-layer reinforcing bar net are used for strengthening its structure. Its advantages are light weight, high strength, high resistance to mouse, insect and moisture, and good insulating effect.

The invention relates to the technical field of constructional engineering, in particular to an integrated beam-slab-column formwork structural system and a construction method. The structural system is a frame structure formwork system composed of a non-dismantling column formwork, a beam formwork, a beam-column joint formwork and a slab formwork which are connected to each other; the column formwork, the beam-column joint formwork, the beam formwork and the slab formwork are respectively composed of corresponding formwork units by means of splicing; a non-dismantling formwork unit is made of a thin-wall shell structure and used as a formwork when pouring concrete, and also used as finishing material in the later stage, wherein one side of the non-dismantling formwork unit is processed into a rough surface and the other side is smooth; the splicing parts of the formwork units are built in by adopting a form of concave-convex groove and tongue; an outer side of the non-dismantling formwork is fastened by using a fastening hoop to resist the cast-in-situ concrete side pressure; the beam-column joint formwork makes the integrated beam-slab-column formwork structural system applicable to a preformed structural member, and also applicable to cast-in-situ; the preformed member is spliced or concrete is casted in situ to the preformed member to form one building unit of the frame structure, and a plurality of building units form a multilayer or a high-rise frame structure.

The invention discloses a gas generation and storage integrated biomass pool, comprising a biomass pool body (1), a discharge water sealing pipe (2), an inclined charging pipe (3) and a top cover. The gas generation and storage integrated biomass pool is characterized in that: the top cover is a floating top cover (1) installed in the biomass pool body, the bottom surface of the floating top cover is provided with a pulley frame (7) and a pulley (8), and the pulley is inserted into a slide rail (9) at the inner wall of the biomass pool body. A counter weight (6) is installed on a base beam a framework (4) of the floating top cover. A grate (12) is installed at the inlet of the inclined charging pipe. In the invention, the integration of gas generation and gas storage of the biomass pool is achieved by the arrangement of the floating top cover and the counter weight, the ratios of gas generation and gas storage are high, and the air pressure in the biomass pool is constant and adjustable, thereby the normal and stable work of marsh gas appliances is guaranteed; simultaneously, the floating top cover is detachable, people can pull out and clean residues outside the biomass pool, which is safe and convenient; in addition, the arranged grate prevents larger objects, such as plastic bags, tree branches and the like from entering the biomass pool.

The invention discloses a mica inorganic paint and usage method thereof, and solves the problem of bad adhesive force of the prior inorganic paint on the metal surface. The invention is made from modified mica inorganic paint, and 3-15% of mica by mass is added into the inorganic paint. According to the invention, using the mica modified inorganic paint can substantially improve the adhesive force of the inorganic paint on the metal surface, and achieve the same improving effect of the inorganic paint adhesive force after sand-blast treatment or corrosion roughening treatment of the metal surface. The sand-blast treatment or corrosion roughening treatment is not needed on the metal surface, thereby substantially simplifying the construction difficulty. The weatherability, the high temperature resistance performance, the heat insulation performance and insulating property are also improved.

The invention discloses a distributed signal control system based on CAN bus, which includes a main control unit and several direction sub-control areas, each direction sub-control area includes a direction sub-control unit and several signal light control units, the signal light control unit Including several lane signal light units and corresponding pedestrian signal light units, the main control unit generates the intersection signal light control scheme and transmits it to each direction sub-control unit through the CAN bus, and each direction sub-control unit is connected to the corresponding signal light control unit through the CAN bus , the direction sub-control unit analyzes the intersection signal light control scheme, and sends the analysis result to the corresponding signal light control unit through the CAN bus, and the signal light control unit controls the state of the signal light according to the control scheme. The communication line of the invention is simple and reliable, can simplify construction difficulty and reduce construction cost, improve reliability and simplify follow-up maintenance difficulty, have good expansibility, and improve the intelligence level of the traffic signal control system.

The invention discloses a carbon nanotube inorganic paint and usage method thereof, and solves the problem of bad adhesive force of the prior inorganic paint on the metal surface. The carbon nanotube modified inorganic paint is used according to the invention, and the addition of the carbon nanotube is 0.2-3% of the inorganic paint by mass percent. According to the invention, using the carbon nanotube modified inorganic paint can substantially improve the adhesive force of the inorganic paint on the metal surface, and achieve the same improving effect of the inorganic paint adhesive force after sand-blast treatment or corrosion roughening treatment of the metal surface. The sand-blast treatment or corrosion roughening treatment is not needed on the metal surface, thereby substantially simplifying the construction difficulty.

The invention discloses a high-temperature molten salt pressure pipe and a pressure pipe type graphite-moderated high-temperature molten salt pile. High-temperature molten salt only flows in the high-temperature molten salt pressure pipe which has high heat insulativity, so that temperature of a graphite-moderating agent outside the pressure pipe is remarkably lowered; control rods and the pressure pipes are staggered, and the control rods are arranged in a low-temperature graphite moderating agent area among the pressure pipes. Technical difficulty in arrangement of a control rod system is lowered substantially, arrangement number of the control rods can be increased remarkably, and reactive control capability can be improved; according to arrangement number and form of the pressure pipes, the molten salt pile is divided into multiple areas, each area is provided with an independent loop system, and the loop systems are mutually independent; area dividing and material changing are utilized to replace online chemical treatment, so that designing, building and running difficulty of a molten salt pile system is substantially simplified, and the loop systems are simplified substantially. A molten salt pile core, the control rods and the loop systems are simpler in arrangement mode, so that molten salt pile engineering realizability can be improved remarkably.

The invention discloses a low-cost single-internet-access LTE routing device and a control method. The low-cost single-internet-access LTE routing device comprises an ODU digital microwave outdoor unit and an IDU digital microwave indoor unit. The ODU digital microwave outdoor unit is composed of an LTE module, a first antenna unit, a POE power module, a first DC-DC chip, a PHY network card chip, a single-internet-access transformer and a first RJ45 network interface. The IDU digital microwave indoor unit is composed of a WIFI module, a second antenna unit, a PSE module, a second DC-DC chip, a DC plug, an internet access transformer and a second RJ45 network interface. The ODU digital microwave outdoor unit is connected with the IDU digital microwave indoor unit through an ordinary cable, then good outdoor 4G LTE signals can be led into a room to cooperate with the IDU digital microwave indoor unit to form a WIFT hot point, rewiring is avoided, and the use stability and reliability are ensured.

The invention discloses an upper transverse beam and lower transverse beam construction method for a bridge tower. The method comprises the following steps: before normal construction, constructing hanging systems, tensioning first hanging systems on both sides of the tower respectively, and tensioning two groups of second hanging systems between the first hanging systems, wherein adjacent first hanging systems and second hanging systems can operate in a matching way or operate independently; performing upper transverse beam construction, constructing and pouring a first-segment side form, a second-segment side form and a third-segment side form, and constructing and pouring an upper transverse beam bottom form; after completion of upper transverse beam construction, pouring a lower transverse beam which is formed by means of prefabrication, performing transportation and installation through the hanging systems, and finally connecting an upper transverse beam with the lower transverse beam. Through adoption of a bracket-free construction technology, the construction cost is reduced, the construction period is shortened, and the construction safety is enhanced; the upper transverse beam and the lower transverse beam are constructed stepwise, so that the construction difficulty is lowered. Meanwhile, the upper transverse beam and the lower transverse beam are constructed stepwise, so that the construction difficulty is lowered, and the construction quality is enhanced.

The invention provides a multifunctional portal device of a suspension bridge pillar top, and belongs to the field of construction devices of suspension bridges. The multifunctional portal device of the suspension bridge pillar top comprises a field mounted portal body, wherein the field mounted portal body comprises a supporting truss system, a working platform, a catwalk turning cable saddle, a lifting system and a traction system; the working platform is connected to the upper end of the supporting truss system; the lower end of the supporting truss system is anchored to the suspension bridge pillar top through an anchoring system; and the catwalk turning cable saddle, the lifting system and the traction system are respectively connected with the supporting truss system. The multifunctional portal device of the suspension bridge pillar top is provided with the field mounted portal body, a portal is divided into different blocks which are assembled on a tower top, requirements on field hoisting are met, conveying, mounting and machining can be facilitated further, construction installation is simplified, the different blocks of the portal can be combined with the catwalk turning cable saddle at the tower top, the portal is stressed safely, effects of the portal can be fully achieved in various stages of installation construction of an upper structure of the suspension bridge, and multifunction of the portal is fulfilled really.

The invention discloses an assembled concrete structure construction method. According to the construction method, a reversed construction procedure is adopted for installation of a vertical component of a currently constructed floor, that is, before connection assembly of a horizontal component of the currently constructed floor, the vertical component connected to the upper portion of the horizontal component is hoisted firstly, and finally connection concrete is poured at a time to connect the horizontal component with the vertical component of the currently constructed floor into a whole. The construction method adopts the reversed construction procedure, so that construction links are reduced, and the construction period is shortened; the method is suitable for assembled concrete building construction for structure systems such as precast shear walls, composite wallboards and frameworks, and has the advantages of convenient construction, time saving, economy, environment friendliness and the like; and meanwhile, the requirement for identical performance as a cast-in-place structure is met.

The invention discloses a multi-layer lattice precipitation separating device for a V-shaped pipe. The device is characterized by comprising multiple groups of parallel vertical plates, each group of parallel vertical plates is formed by a left vertical plate and a right vertical plate, a plurality of oblique clapboards are arranged between the left and right vertical plates, the left and right vertical plates and two adjacent clapboards form a water passage with a parallelogram-shaped cross section, a mud discharge hole is formed above the intersected part of the right vertical plate and the clapboard, a mud discharge passage is arranged between each right vertical plate and clapboards in another group of adjacent parallel vertical plates, and two ends of the mud discharge passage are sealed to form a static liquid area. As the vertical plates are adopted in the invention, the precipitation efficiency is improved, and simultaneously the vertical plates are more convenient to construct.

The invention discloses a novel deepwater lake water restoring method through bubble plume dispersion oxygenation. In a water stratification period, a plume oxygenation jetting device is arranged at the bottom of a lake, an air source of the plume oxygenation jetting device is pure oxygen, bubbles jetted from the plume oxygenation jetting device and introduced water form air-water mixture, then the air-water mixture ascends to the maximum altitude before thermal stratification while the bubbles are continuously dissolved and disappear, sinking plume is formed due to density difference, oxygen-rich water diffuses all around and enters a distant water environment after the plume sinks to the balance depth, the hypolimnion is directly oxygenated, and the ascending velocity of the air-water mixture is 0.12-0.17m / s. The novel deepwater lake water restoring method through the bubble plume dispersion oxygenation is strong in pertinence; ascending bubbles are rapidly dissolved, the oxygen transfer efficiency is high, the oxygenation effect is good, and the operation difficulty and construction difficulty are greatly simplified; and the novel deepwater lake water restoring method through the bubble plume dispersion oxygenation has the characteristics of no disturbance on the thermal stratification, no damage of a lakebed cold water fish growth environment, high feasibility, low implementation risk and good water restoring effect.

The invention provides an unmanned aerial vehicle laser relay redirection energy transmission device, and belongs to the technical field of laser assisted machining. The unmanned aerial vehicle laserrelay redirection energy transmission device comprises an unmanned aerial vehicle provided with a redirector and a laser device provided with a master control system and an emitter. Communication signals are established between the unmanned aerial vehicle and the master control system. The master control system is used for controlling the laser device to generate lasers with different power. The laser device is connected with the emitter capable of steering by optical fibers. The emitter is used for tracking and aiming the redirector capable of steering. The redirector is used for reflecting and focusing the laser onto a target. Through adjusting the steering of the emitter and the redirector, a systematic observation optical path being coaxial with a laser emission path is achieved. The unmanned aerial vehicle is not necessarily provided with the heavy laser device, through adjusting the redirector to aim at the target and adjusting the emitter to track and aim the redirector, bypassing an obstacle can be effectively achieved through reflection, and the laser can be transmitted and focused onto the target.

The invention relates to a compensation and adjustment method for anchor cable prestress loss. The compensation and adjustment method is carried out according to the following process steps that a, debris on an exposed steel strand is cleaned up; b, a slip implement and a slip are installed, and displacement limitation is conducted; c, a connecting screw penetrates through a connecting anchorage device, and the connecting anchorage device is screwed into the slip implement; d, a supporting frame, a jack, a sensor and a tool anchor are installed, then stretching-drawing is conducted; e, displacement happens to an outer anchorage device; when required locking force is reached through stretching-drawing, semi-closed steel gaskets are put under the outer anchorage device; f, the jack and the supporting frame are removed, and the slip, the slip implement and the like are taken out; and g, preservative treatment is conducted on the outer anchorage device. According to the compensation and adjustment method for the anchor cable prestress loss, the service life of an original stationary type anchorage device is prolonged; construction cost is low; construction difficulty is simplified; the original stationary type anchorage device can be used in time. The difficult problem troubling the engineering field for a long time, that compensation stretching-drawing can not be conducted after the prestress of a stationary type anchor cable is lost due to natural or human factors is solved.

The invention discloses a method and system for realizing 10-gigabit Ethernet electrical port transmission based on an FPGA (field programmable gate array) and belongs to the wireless transmission field. A 10-gigabit Ethernet electrical port transmission technology is applied to transmission between an expansion unit and a remote end unit. The main implementation part of the 10-gigabit Ethernet electrical port transmission technology is completed in the FPGA of the expansion unit. According to the expansion unit, a CPU+FPGA+10-gigabit PHY chip platform architecture is adopted to realize forwarding from wireless optical port signals to 10-gigabit Ethernet electrical port signals; an interface processing module is additionally adopted in the FPGA of an original architecture; and the interface processing module and an external 10-gigabit PHY chip cooperate with each other to complete corresponding work. Compared with the prior art, the method and system of the invention can improve the transmission bandwidth of a system in the wireless transmission field to a certain extent, make networking modes more flexible and can realize POE (Power Over Ethernet); and the method and system are realized based on the existing FPGA of the original architecture, so that implementation cost and development difficulty can be reduced.

The invention discloses an ultradeep sea oil-gas field engineering development system, which comprises a sea floating production device, a first-stage riser supporting photon, first-stage rigid risers, a second-stage riser supporting photon, second-stage rigid risers, underwater oil extraction equipment, an upper flexible jumper tube, a tension mooring device and a seabed wellhead device, wherein the tension mooring device comprises a tension cable and a pile foundation. Submarine oil extraction equipment is arranged on the second-stage riser supporting photon positioned 200-350 meters below the sea surface, and because of pressure reduction and temperature rise, design requirements and technical difficulty for the oil extraction equipment are reduced, and construction, installation and maintenance cost is greatly reduced. The two stages of riser supporting photons are adopted to bear the loads of the rigid risers in water stage by stage, the oversize of a single riser supporting photon is avoided, the total weight supported by the sea floating production device is effectively reduced, and design requirements on the sea floating production device are reduced.

The invention provides a connection method of main reinforcement of a constructional column of an infilled wall and a framed girder. After the pattern plates of the framed column are arranged in a supporting mode and the reinforcing steel bars of the framed girder are installed, polyvinyl chloride (PVC) pipes are pre-buried in the intersecting portion of the main reinforcement of the constructional column and the framed girder, the PVC pipes are fixedly connected with the main reinforcement of the constructional column, and then the PVC pipes are fixedly connected with stirrups of the framed girder. The connection method of the main reinforcement of the constructional column of the infilled wall and the framed girder effectively solves the quality problems that concrete leaks, the moldboards are difficult to dismount, the position of the framed girder is inaccurate and incapable of being overlapped, turriform and embedded steel bars are loose, reinforcing steel bars deform and other problems influencing the structure of the constructional column, guarantees the construction quality of the constructional column, and meanwhile is simple and convenient to construct and high in efficiency, saves steel and reduces construction cost.

The invention discloses a signal tower for big data artificial intelligence communication based on a 5G communication network, including embedded parts, a slide and support rods. The inside of each embedded part is connected with a fixing bolt, and a nut is installed on the top of each fixing bolt. Reinforcing bars are installed above a bottom plate. A main rod is fixed on the right side of a slider. A hydraulic push rod is connected below the main rod. A lamp shade is arranged on the right side of each support rod. A lighting lamp is installed inside each lamp shade. A hinge is connected below each lamp shade. According to the signal tower for big data artificial intelligence communication based on a 5G communication network, through the setting of the hydraulic push rod, the main rod, the slider and the slide and the expansion and contraction of the hydraulic push rod, an upward force is applied to the main rod so that the slider on the main rod can move in the slide and drive the main rod to adjust the position in the vertical direction, so as to adjust the height of the signal tower. Thus, the height of the signal tower can be adjusted according to different installation locations and installation positions.

The invention relates to a preparation method of an epoxy asphalt compatibilizer, which comprises the following steps: a) heating heavy aromatic oil to 60-180 DEG C; and b) adding isocyanate accounting for 3-10 wt% of the heavy aromatic oil, 0.5-5 wt% of initiator and 3-10 wt% of anti-degradant into the heavy aromatic oil, and stirring for 0.5-2 hours to obtain the epoxy asphalt compatibilizer. The epoxy asphalt compatibilizer obtained by the method can increase the compatibility between the matrix asphalt and epoxy resin. The application method of the epoxy asphalt compatibilizer comprises the following steps: adding asphalt, the epoxy asphalt compatibilizer, an epoxy asphalt diluter, an epoxy resin and an epoxy resin diluter into a reaction kettle, and mixing to obtain a part A of the epoxy asphalt material; and mixing the part A of the epoxy asphalt material with a part B epoxy asphalt curing agent of the epoxy asphalt material to obtain the epoxy asphalt material applicable to room-temperature construction. The material can be directly laid on the pavement at room temperature, or mixed with aggregate stone and laid on the pavement.

The invention discloses a steel plate prefabricated concrete double-plate shear wall. The steel plate prefabricated concrete double-plate shear wall comprises a steel plate, anti-sliding keys, profile steel, prefabricated concrete wall pieces, a cavity and a truss steel rib, wherein the steel plate is placed in the center between the two prefabricated concrete wall pieces, four edges of the steel plate are respectively welded with inner end-post profile steel and an inner steel plate or the profile steel, the anti-sliding keys are arranged on the steel plate, the prefabricated concrete wall pieces and the steel plate are connected into a whole through the truss steel rib and the anti-sliding keys, and concrete is poured into the cavity in the shear wall and the profile steel. The steel plate prefabricated concrete double-plate shear wall is simple in structure, solves the problem that an upper-layer wall body is insufficiently connected with a lower-layer wall body, and strengthens the overall performance of the combining portions of the wall bodies.