34results about How to "Fully reinforced" patented technology

The invention relates to the technical field of shield construction, and specifically discloses a shield tunnel-entering construction method at a stratum rich in water powder and soil powder sand. The shield tunnel-entering construction method comprises such steps as vertical freezing reinforcement, tunnel portal inspection, tunnel portal chiseling, water and soil backfilling, shield tunnel-entering and the like. The shield tunnel-entering construction method disclosed by the invention effectively balances water-soil pressure inside the tunnel portal ring, grouts to the tunnel to reinforce the soil body on the premise of controlling the risks, and excavates the earth after sufficiently reinforcing and reaching the intensity requirements, so that water and sand gushing which is likely caused by a traditional shield tunnel-entering method is avoided, the construction risk is low, and the construction method is safe and controllable; and moreover, the construction is finished by entering the tunnel twice, and is easily organized.

The invention discloses a liquid division slip casting reinforcing method for subsurface structure construction joints, mainly aiming at the problems that as the subsurface structure construction is severely influenced by ground water, the peripheral structure leaks water, the material strength is reduced, the structure integrity is poor and the like. A purpose-made grouting pipe is arranged at the construction joint of a structure connector with weak stress in the process of subsurface structure peripheral construction, and the liquid division slip casting reinforcing operation is performed based on a designated method, thus making up for the defects of poor rigidity and poor waterproof effect at the construction joint of the subsurface structure preferably. The method in the invention has good grouting effect and high grouting success rate, can effectively improve the strength and the integrality of the subsurface structure, and reduce the leakage of the construction joint of the subsurface structure.

The invention discloses a full-thread glass fiber composite hollow grouting anchor rod which comprises a hollow grouting anchor rod which stretches into a rock-soil anchoring hole, wherein a grouting hole is formed in the hollow grouting anchor rod; the outer wall of the hollow grouting anchor rod is of a full-thread section; a slurry stopping plug and a locking nut, corresponding to the anchoring hole, are screwed on the hollow grouting anchor rod respectively; a taper body section is arranged at the front part of the locking nut; a support disc is matched on the taper body section; and the front end of the support disc is arranged on the rear end face of the slurry stopping plug in a compression mode. During the grouting of the anchor rod, slurry is fed back from the bottom of the anchor rod to an orifice, so that the slurry is grouted fully, fractures are filled better, rock and soil layers are combined, the high pressure grouting is realized so as to achieve the purposes of improving the surrounding rock and obstructing the ground water, and stress and pre-stress can be exerted conveniently.

The post-grouting reinforcement construction method of the flexible joint of the ground connection wall is the construction technology of the ground connection wall of the subway foundation pit engineering. Grouting pipe (2): Place the porous grouting pipe at the end of the reinforcement cage, and tie it together with the reinforcement cage with iron wire, or weld it on the reinforcement cage with electric welding, and lower it together with the reinforcement cage; there are three porous grouting pipes, They are respectively installed at the ends of steel cages of two underground diaphragm walls, one grouting pipe is installed on both sides of the end of one underground diaphragm wall, and one grouting pipe is arranged in the middle of the end of the other underground diaphragm wall; when the underground diaphragm wall The concrete of the wall reaches more than 70% of the design strength. Before final setting, a high-pressure pump is used to inject reinforcing cement slurry into the wall through a porous grouting pipe. The invention has good grouting effect and high grouting success rate, can effectively improve the integrity of the ground connection wall and reduce the leakage problem of the flexible joint of the ground connection wall.

The invention relates to a method for a reinforcing rock pillar in a shallow buried tunnel with small spacing in a city, and belongs to the technical field of tunnel construction. The methods comprisethe step that by the arrangement of one or more rows of grouting holes, seamless steel pipes are used as grouting pipes according to the construction sequence of jumping holes at intervals, through the hole grouting to reinforce septum rock pillars, the grouting pipes is used as a supporting skeleton to effectively improve the stability of the septum rock pillars; by the binding of the multi-stage pressure separating expansion mold bag on the grouting pipes, slurry is controlled to spread in the target area, and at the same time, the effects that the uplift and settlement of ground can be controlled and the impact on the ground and the surrounding area of the ground can be reduced are achieved; grouting material based on the rapid solidification type slurry can adjust the slurry gel timeaccording to the real time feedback of the grouting process in the field, the over diffusion of the slurry is prevented, the cost is saved, and the segmented and localized reinforcement of the septumrock pillars can be achieved by the matching with the pressure separating expansion mold bag.

The invention discloses a crack reinforcement device for roads and bridges. The device includes a reinforcement box, a mobile mechanism is installed on the lower portion of the reinforcement box, theright side of the lower portion of the reinforcement box is provided with a discharge hole, the upper portion of the reinforcement box is provided with a reinforcement and replacement opening, a reinforcement door mechanism is installed at the reinforcement and replacement opening, the middle in the reinforcement box is provided with a separation plate, the right side of the reinforcement box is provided with a water storage mechanism, the upper portion of the left side of the reinforcement box is provided with a control mechanism, the left side of the separation plate is provided with variousraw material storage mechanisms, and the right side of the separation plate is provided with a stable mixing mechanism. The device has the advantages that operation is convenient and the practicability is high.

The invention discloses a reinforcing device for preventing forward tilting of a light-weight abutment abutment. The light-weight abutment comprises an abutment cap and an abutment body supporting the abutment cap, wherein the light-weight abutment further comprises a retaining wall, the retaining wall is buried in filling soil behind the light-weight abutment, the cross-section of the retaining wall is trapezoid-shaped, and the retaining wall is formed by mortar and broken stones or broken stones and concrete. The retaining wall bears all or most of soil-side pressure behind the abutment, so as to relax the abutment and partially correct or reduce the forward tilting amount. After reinforcement, the expansion / contraction joint at the back of the abutment is not squeezed any more, which ensures the construction quality, makes the reinforcement complete, eliminates the hidden danger of forward tilting of the light-weight abutment and improves the effect.

The invention relates to a printing and reinforcement method of a 3D printing concrete member, which comprises the following steps: (1) determining a mix proportion: preparing concrete suitable for a 3D printing structure, fully mixing, testing related printing performance, and meeting various performance requirements, otherwise, adjusting or repreparing until the requirements are met; (2) according to design requirements, relevant parameters of components, relevant parameters of equipment and relevant parameters of reinforcing bars are determined; and (3) after single-layer concrete is printed, rib grids are laid, concrete layer printing and rib grid laying are repeated till a complete spliced rib cage is formed, and finally concrete is covered to form a complete component. According to the method, the influence of 3D printing anisotropy on the 3D printing concrete structure is relieved through the staggered joint printing method, meanwhile, the reinforcing bars integrating the tensile longitudinal bars, the erection bars and the stirrups are configured, the assembled bar cage is formed, and the stress performance of the 3D printing concrete structure is improved.

The invention relates to a steel plate fixing device and a fixing method for steel plate bonding construction. A steel plate is provided with a hole through which an anti-degumming bolt of a reinforcing component passes; the upper surface of the steel plate is provided with an anti-degumming washer and an anti-degumming nut; a lower nut, a lower washer, section steel, an upper washer, an elastic washer and an upper nut are arranged on the anti-degumming bolt in turn; and a woody wedge is arranged between the steel plate and the section steel. The fixing method comprises the following steps of coating the lower surface of the steel plate with steel bonding structural adhesive, installing the steel plate, the anti-degumming washer, the anti-degumming nut, the lower nut, the lower washer and the like on the anti-degumming bolt in turn, wedging the steel plate and the section steel, channel steel or angle steel by use of the woody wedge, screwing the upper nut and compressing the elastic washer. The method utilizes the anti-degumming bolt needed for bonding the steel plate, adopts a coating method to bond the steel plate, can construct under the circumstances of continuously opening traffic and having vibration, and has the advantages of short construction period, fast progress and little influence on society. The invention was used in a project of maintaining the second Changjiang River Bridge in Wuhan and got good effects.

The invention provides a topology optimization method of a satellite system. Devices of a spacecraft are extracted to nodes; if the system does not run, complete key nodes are searched to implement topology optimization, and the system is adjusted to an operation state when optimization is completed; when the system runs and optimization is needed, topology optimization based on node reliability and topology optimization based on weighted load flow are carried out simultaneously till standby paths do not exist between any two nodes. The influence degree of each node on the system is analyzed quantitatively; disadvantages of a network node significance analysis method, in the prior art, applied to the satellite system are overcome; and according to the topology optimization method of the invention, the complete key nodes are reinforced when the system does not run, topology optimization is carried out on the nodes in real time when the system runs, influence of failure of each node on the system operation is effectively reduced, and the reliability, robustness and survivability of network topology of the satellite system are improved.

The invention discloses a TRC prestress implementation device and a construction method for reinforcing an RC component by using the TRC prestress implementation device. The TRC prestress implementation device comprises an anchoring mechanism, a tensioning mechanism, a plurality of layered positioning mechanisms and a fiber net clamp; the anchoring mechanism comprises a first anchoring crosspiece,a first centering mechanism and a first self-locking box; the tensioning mechanism comprises a second anchoring crosspiece, a second centering mechanism, a second self-locking box and a tensioning driving assembly; the fiber net clamp is wedge-shaped and comprises a clamp cover plate and a clamp bottom plate which are detachably connected; and the plurality of layered positioning mechanisms are uniformly distributed between the anchoring mechanism and the tensioning mechanism and are used for equidistantly distributing each layer of fiber net in the plurality of layers of fiber nets. According to the TRC prestress implementation device and the construction method for reinforcing the RC component by using the TRC prestress implementation device, prestress application to the plurality of layers of fiber nets can be completed on a construction site without large complex equipment, RC component reinforcement through the prestress TRC is achieved, the whole implementation device is simple,the process flow is concise, construction is convenient, popularization is easy, and the device and the construction method have good application prospects and economic value in the field of engineering reinforcement.

The invention discloses a water-resisting layer strengthening grouting transformation device and method based on staged fracturing. The device comprises at least two fracturing grouting controllers which are sequentially connected in series through high-pressure fracturing pipe columns, and the high-pressure fracturing pipe columns between the fracturing grouting controllers are connected with safety opening devices in series; each fracturing grouting controller comprises an outer sleeve, a packing capsule, an inner sleeve, a pressure spring and a one-way blocking elastic piece; each outer sleeve is provided with a first opening and a second opening, and a valve seat is arranged in each outer sleeve; each packing capsule is arranged outside the corresponding outer sleeve in a sleeving mode and communicates with the corresponding first opening; each inner sleeve is slidably matched in the corresponding outer sleeve, each pressure spring is supported between the corresponding inner sleeve and the corresponding valve seat, each inner sleeve is provided with a third opening and a fourth opening, each third opening can be aligned with the corresponding first opening, each fourth opening can be aligned with the corresponding second opening, and a first ball seat is further arranged at the inner end of each inner sleeve; and each one-way blocking elastic piece is arranged on the inner side of the corresponding valve seat. According to the water-resisting layer strengthening grouting transformation device and method based on staged fracturing, the problems existing in existing roof water disaster prevention and control can be solved.

The invention provides a construction method of a concrete pile. The construction method comprises the following steps of: firstly, finishing the construction of a concrete cast-in-place pile; and under the condition of keeping the integrity of a concrete pile body, carrying out the construction of pile end carriers with various forms to eliminate common hidden dangers of pile bottom soil leakage,sediment and the like of the conventional concrete cast-in-place pile, further improve the bearing capability of the concrete cast-in-place pile and realize the improvement of the working efficiencyand the saving of the cost. The construction method comprises three types: one type is that pile body concrete is poured after a pile casing channel is pre-arranged and then the construction of a pileend curing carrier or a dense carrier or a curing and dense carrier is carried out; the second type is that the pile casing channel is additionally arranged after the pile body concrete is poured andthen the construction of the pile end curing carrier or the dense carrier or the curing and dense carrier is carried out; and the third type is that the pile body concrete is poured after the pile casing channel is pre-arranged and then the construction of a pile end dense anti-pulling carrier is carried out.

The invention relates to the design field of radiation hardened integrated circuits and CMOS image sensors in microelectronics, and provides a working mode of a TDI-type CMOS image sensor, wherein the working mode of the TDI-type CMOS image sensor is used for reinforcing the single event effect of pixels. According to the technical scheme, a TDI-type CMOS image sensor accumulation circuit for reinforcing the single event effect is provided, the accumulative series of the TDI-type CMOS image sensor is 3n, wherein n is equal to 1, 2, 3..., outputs of each line of pixels are stored in corresponding storages after digital-to-analogue conversion is conducted on the outputs, after the 3nth line of pixels is read out, output values of the front n lines of pixels, output values of the middle n lines of pixels and output values of the rear n lines of pixels are accumulated respectively, then three values are accumulated to obtain a sum value, the sum values are sent into a three-mode redundant module to be voted, abnormal values are removed, and the values are accumulated and output; a threshold value used by three-mode redundancy can be set by a user himself / herself. The TDI-type CMOS image sensor accumulation circuit for reinforcing the single event effect is mainly applied to design and manufacturing of integrated circuits.

The invention discloses an integrated backfilling and pouring method for an integral straight middle wall top of a multi-arch tunnel, which is characterized in that a space between a middle partition wall top and a middle pilot tunnel initial supporting vault is divided into three areas, namely a wall top trapezoid area and triangular areas on the two sides; a middle partition wall body and a wall top trapezoid area are poured to a middle pilot tunnel vault at a time after a middle partition wall foundation is poured; main tunnel construction is conducted after a middle partition wall is poured; the triangular areas on the two sides of the wall top and a main tunnel primary support are subjected to integrated sprayed concrete backfill construction; steel floral tubes are adopted for supplementary grouting reinforcement; and pouring of the middle partition wall body and the wall top is completed. According to the invention, the problems that concrete of the wall cap of the middle partition wall is not vibrated compactly due to the fact that the construction space of the wall top is extremely limited in a conventional construction method, and the strength is insufficient are solved. The safety of main hole excavation construction is ensured. The integral structure formed by the middle partition wall and the main tunnel primary support is better in integrity. The risks of cracks and water leakage of the middle partition wall can be effectively reduced.

The invention belongs to the technical field of urban underground comprehensive pipe galleries, and particularly relates to a long-distance pipe jacking construction method for an urban underground pipe gallery. According to the method, the thixotropic slurry can be rapidly and efficiently stirred by reasonably matching the raw material composition of the thixotropic slurry and using a combined stirrer in a matched mode, and the outstanding pipe jacking resistance reduction and pipe hole reinforcement effects are achieved in the long-distance pipe jacking construction process, so that the soil collapse risk in the urban underground pipe gallery construction process is greatly reduced. The method has the advantages that the structure of the combined stirrer is reasonable and effective, continuous slurry loading operation is simple and efficient, slurry filling is flexible and controllable, the problem that the amount of the slurry in a certain barrel is too large or too small is not prone to occurring, and the overall stirring production and use efficiency of the slurry is high.

The invention discloses an anti-seismic reinforcement method for loess cave dwellings based on injection of water glass. A water glass injection reinforcement device is used to reinforce the loess cave dwelling to be reinforced; The reinforcement device includes two rows of water glass injection pipes; when the loess cave dwelling is to be reinforced, the steps include: 1. drilling and installation of the water glass injection reinforcement device; 2. water glass injection; 3. completion of reinforcement. The invention is reasonable in design, convenient in construction, and good in use effect. Two rows of water glass injection pipes arranged above the arch ring of the cave dwelling are injected into water glass for reinforcement. The contour line layout of the cracks can effectively strengthen the X-shaped shear damage area of ​​the arch ring of the loess cave, and transfer the damage area to a non-critical position, thereby improving the seismic effect of the loess cave and greatly reducing the earthquake damage loss.

The invention discloses a method for dam support and danger elimination of high water level and thick silt reservoirs. The method has the advantages of simple construction, low industrial requirements, low engineering cost, high speed, thorough reinforcement and no construction hidden dangers left behind.

The invention relates to a method for a reinforcing rock pillar in a shallow buried tunnel with small spacing in a city, and belongs to the technical field of tunnel construction. The methods comprisethe step that by the arrangement of one or more rows of grouting holes, seamless steel pipes are used as grouting pipes according to the construction sequence of jumping holes at intervals, through the hole grouting to reinforce septum rock pillars, the grouting pipes is used as a supporting skeleton to effectively improve the stability of the septum rock pillars; by the binding of the multi-stage pressure separating expansion mold bag on the grouting pipes, slurry is controlled to spread in the target area, and at the same time, the effects that the uplift and settlement of ground can be controlled and the impact on the ground and the surrounding area of the ground can be reduced are achieved; grouting material based on the rapid solidification type slurry can adjust the slurry gel timeaccording to the real time feedback of the grouting process in the field, the over diffusion of the slurry is prevented, the cost is saved, and the segmented and localized reinforcement of the septumrock pillars can be achieved by the matching with the pressure separating expansion mold bag.

The invention provides a method for reinforcing a sludge sand layer. The method comprises the following steps that S1, a drill bit part of a stirring drilling machine drills towards the sludge sand layer, in the drilling process, stirring blades are opened and stir the sludge sand layer, meanwhile, grouting equipment sprays cement grout into the sludge sand layer through a grout inlet hole, a liquid injection cavity of a drill rod and a grouting hole, and the cement grout and the sludge sand layer are mixed and condensed into a cement reinforcing body; S2, the drill bit part retreats from the sludge sand layer, in the retreating process, the stirring blades are retracted, and meanwhile, the cement grout provided by the grouting equipment is sprayed into a hole drilled by the drill bit part through the grouting hole and blocks the hole; S3, the stirring drilling machine is moved to the next to-be-reinforced position, and the steps S1 and S2 are repeated; S4, a re-reinforcing hole is drilled in the cement reinforcing body, and a long anchor pipe is inserted into the re-reinforcing hole; and S5, the cement grout provided by the grouting equipment is grouted into the re-reinforcing hole through the long anchor pipe and permeates into gaps of the cement reinforcing body.

The invention discloses a device for reinforcing a bridge body and a reinforcing method thereof. The device comprises a cross beam, telescopic supports are arranged at the two ends of the cross beam correspondingly, and bases are arranged at the bottoms of the telescopic supports correspondingly. A rotating roller is arranged under the cross beam and fixed to the cross beam through a fixing support, and a bottom layer resin roller brush, a leveling material drum, an impregnating resin roller brush, an impurity removing drum, a pressure drum and a carbon fiber material roller are sequentially arranged on the periphery of the rotating roller. A crack detecting unit and a range sensor are arranged on the lower portion of the middle end of the cross beam. By means of the rotating roller and the roller brushes arranged on the rotating roller, bridge body reinforcing efficiency can be improved, and manpower and time are saved; telescopic shafts are arranged to adapt to reinforcing of bridges of different heights, and meanwhile carbon fiber materials are used for reinforcing the bridge body; and the construction process is simple and convenient, the construction period is short, the cost is low, bridge bearing capacity can be improved, ductility is improved, cracks are reduced, and aging is delayed.

The invention discloses an automatic stem cell extracting device. The automatic stem cell extracting device comprises a main box, an operation box, a control cabinet, a top cover, an operation table,an operation panel, a sampling table, a centrifuge, universal wheels, centrifuge supports, a rotating shaft support, test tube supports and test tubes, wherein the operation box is arranged on one side of the main box, the sampling table is arranged at the top end of the operation box, the operation panel is disposed at the top of the operation box, the operation table is arranged on one side of the operation table, the centrifuge is arranged in an inner cavity of the main box, the universal wheels are arranged at the bottom end of the main box, the centrifuge supports are arranged in an innercavity of the centrifuge, the rotating shaft support is arranged at the tip end of the centrifuge, the test tube supports are arranged on the outer surface of the rotating shaft support, and one testtube is arranged at one end of each test tube support. According to the automatic stem cell extracting device, all-angle centrifugal movement can be realized through the centrifuge supports and centrifuge pillars, an extracting machine can realize stable conveying in the conveying process through the universal wheels, and centrifugal test tubes can be mounted in six directions through the rotating shaft support.

The invention discloses a tunnel surrounding rock advanced horizontal water stop grouting construction method. The tunnel surrounding rock advanced horizontal water stop grouting construction method comprises the following specific steps that grouting holes are formed in the whole section and grouting is conducted, specifically, the grouting holes are formed in all soil bodies of an excavation area, an arch crown area around a tunnel, areas on two sides and an inverted arch area and grouting is conducted; in the process of forming the grouting holes, if water overflows from the grouting holes,drilling is stopped immediately, grouting operation is implemented, and after grouting is completed, the grouting holes are reformed at the original positions; if a new water overflowing situation occurs in the process of reforming the grouting holes, drilling is stopped again, grouting is conducted again, and the process is repeated until the depths of the grouting holes formed in the positionsmeet the design requirements and grouting operation is completed; and in the grouting process in each grouting hole, double-liquid slurry and single-liquid slurry are repeatedly and alternately grouted. According to the tunnel surrounding rock advanced horizontal water stop grouting construction method, hole distribution and grouting are conducted on the whole section, the optimized grouting procedure and sequence are matched, thus rock mass around the tunnel is comprehensively and fully reinforced, the full water stop effect is achieved, and surrounding rock stability in the tunnel excavationprocess is guaranteed.

The invention discloses a reinforcing device for a wind turbine foundation concrete pillar, and belongs to the field of wind turbine foundation reinforcement. The reinforcing device comprises a splittype steel ring arranged on the periphery of the concrete pillar, the split type steel ring comprises at least two arc-shaped sections, every two adjacent arc-shaped sections are fastened and connected through a corresponding flange and a corresponding bolt, the steel ring fastened and connected together applies confining pressure to the outer side of the pillar to reinforce the pillar, the innerradius of the steel ring is slightly smaller than the outer radius of the pillar, and the height of the steel ring is equal to the pillar height. The invention further discloses a reinforcing method of the wind turbine foundation concrete pillar. According to the device and the method, through confining pressure loading of the split type steel ring on the concrete pillar, the circumferential tensile stress in the concrete pillar is effectively reduced, generation and expansion of pillar cracks are effectively inhibited, the bonding performance of steel bars and concrete can further be enhanced, the problem that the concrete pillar is prone to cracking and grout emitting is thoroughly solved, and a reliable guarantee is provided for normal operation of a wind turbine. The reinforcing methoddoes not need to damage an existing wind turbine foundation structure, construction is efficient, and manpower and time cost are saved.