33results about How to "Increase the construction process" patented technology

The invention discloses a preparation method of anti-cracking waterproof glaze-surface putty and further discloses a product prepared by implementing the method. Rohm and Haas TM2000 or BATF 300S waterproof emulsion is adopted, and the emulsion has excellent water resistance, flexibility and alkali-resistant elongation. Used auxiliaries are common auxiliaries for building coating, used filling materials are of barium sulfate, talcum powder and calcium carbonate powder preferably, the physical and chemical properties of a coated film can be enhanced by using the filling materials, and the cost can be simultaneously reduced. The preparation process of the method provided by the invention is simple and easy to implement, and the production efficiency is high; and the anti-cracking waterproof glaze-surface putty product provided by the invention has the advantages of good tensile strength, anti-cracking property, water resistance, strong adhesion, smooth and fine surface impression, excellent weather-resistant decoration effect, capability of ensuring the tidy, aesthetic and elegant appearance of a wall body, firmness in binding, good comprehensive performance, better temperature tolerance and weather resistance and simple construction process steps, can greatly shorten the construction period, improve the construction efficiency and realize low cost, and is conductive to extensive popularization and application.

The invention discloses a piled anchor press-in type caisson sinking construction method. The piled anchor press-in type caisson sinking construction method is characterized by comprising the following steps that anchor piles are embedded in a soil body under the caisson designed elevation in advance; a plurality of vertical through holes penetrating the well wall are arranged on the well wall ofa caisson in the circumferential direction at intervals, anchor cables are arranged in all through holes in a penetrating manner, the lower ends of the anchor cables are connected with the anchor piles, and the upper ends of the anchor cables penetrate a center penetrating jack on the upper end face of the caisson to be fixed through anchoring nuts; and the center penetrating jack is jacked to enable the caisson to generate downward pressure, and the caisson is pressed and sinks into the soil body. The piled anchor press-in type caisson sinking construction method has the advantages that the anchor piles, the anchor cables and the center penetrating jack are used for forming a sinking construction device to provide sinking force to the caisson, limitation by a site is avoided, the method is suitable for caissons in various shapes, the caisson sinking gesture can be effectively controlled, and stress in the caisson sinking process is even and stable.

The invention discloses a tidal flow electricity generation cast-in-place pile provided with a pile core steel pipe, and a construction method of the tidal flow electricity generation cast-in-place pile. The cast-in-place pile has the advantages of relatively small diameter, high bending and shear resistance and simple and convenient construction procedures; the cast-in-place pile also solves theproblems that an existing common-diameter cast-in-place pile cannot bear overlarge load generated by a large tidal flow speed in a tidal-flow-energy-rich region and a large-diameter cast-in-place pileoccupies too much of an effective tidal flow cross section, so utilization of tidal flow energy is affected and the construction cost of the large-diameter cast-in-place pile is too high. According to the tidal flow electricity generation cast-in-place pile disclosed by the invention, a pile core steel pipe with a certain length is hit into a rock-socketed cast-in-place pile with a common diameter; a pile foundation of the cast-in-place pile is ensured to be embedded in a depth which is 6 m below a seabed bed rock layer; under the reciprocating load effects of wave, tidal flow and the like, and especially under an extreme weather condition, the pile core steel pipe and a steel reinforcement cage can together play relatively high bending resistance and shear resistance of the cast-in-placepile; so the cast-in-place pile is especially applicable to an offshore area engineering foundation such as the foundation of a tidal flow electricity generation pile which bears a relatively large horizontal load, is high in flexibility and has relatively good economic benefits and social benefits.

The embodiment of the invention provides a soil body transfer method for a tunnel connection channel. A belt conveyor is adopted for operation, and the belt conveyor comprises a first belt conveyor. the soil body transfer method for the tunnel connection channel comprises the following steps that an upper step of the tunnel connection channel is excavated; the first belt conveyor is placed on theupper step formed by the tunnel connection channel; the soil body of the upper step is placed on the first belt conveyor; and the first belt conveyor is started, and newly excavated soil of the upperstep is conveyed out of an opening of the tunnel connection channel. A constructor places the soil body generated by excavating the upper step on the first belt conveyor, and conveys the soil body outof the opening of the tunnel connection channel by operating the first belt conveyor. Along with excavation of the upper step of the tunnel connection channel, the generated soil body is directly transported out of the opening of the tunnel connection channel, the soil body cannot remain in the tunnel connection channel, the transfer speed is high, and thus the excavation efficiency of the tunnelconnection channel is improved.

The invention discloses a grouped second liner construction method for a large cross-section tunnel. A whole toroidal second liner is constructed after being divided into 6 parts. The method comprises the following steps: 1), pouring and backfilling an inverted arch of a left lower hole; 2), pouring and backfilling an inverted arch of a right lower hole; 3), pouring a side wall second liner of the left lower hole through a lower hole trolley; 4), moving the lower hole trolley to the right lower hole to pour a side wall second liner of the right lower hole; 5), erecting a bracket in the right lower hole, assembling a right upper hole trolley, and pouring a right upper arch second liner; 6), erecting a bracket in the left lower hole, assembling a left upper hole trolley, and pouring a left upper arch second liner. According to the grouped second liner construction method, a relatively large cross section is divided into a plurality of small cross sections to carry out construction, although the construction procedures the time limit for a product are slightly increased in comparison with those of a traditional two-step construction method, the construction risk is yet reduced to a great extent, the construction safety guarantee coefficient is increased, an extremely important guide value is provided for the tunnel constructed with a CRD (center cross diaphragm) method in certain special urban environment conditions, the construction is smoothly completed on the premise of guaranteeing safety, and remarkable social benefits are achieved.

The invention discloses an anti-cracking texture paint preparation method and a product prepared by the method. The product is prepared from the following raw materials: water, ethylene glycol, cellulose, preservative, pH regulator, coarse whiting powder, defoaming agent, elastic emulsion, TEXANOL and thickening agent. The method disclosed by the invention has the advantages of simple preparation technique and high production efficiency, and is easy to implement. The method disclosed by the invention has the advantages of simple preparation technique and high production efficiency, and is easy to implement. The anti-cracking texture paint product disclosed by the invention has reasonable formula design, favorable tensile strength, cracking resistance, water resistance, high adhesive force, excellent weather resistance and excellent decorative effect, can be well bonded on the walling, and ensures the walling to have neat and elegant appearance. The anti-cracking texture paint has the advantages of favorable stereoscopic texture, favorable comprehensive properties, high temperature tolerance, high weather resistance, low cracking tendency and long service life, and effectively lowers the maintenance cost. Besides, the construction process is simple, greatly shortens the construction period, enhances the construction efficiency, requires low cost, and is beneficial to wide popularization.

The invention discloses a foundation beam-slab construction method. The methods comprises the following steps that a plain soil backfilling method or a foundation excavation method is used for constructing to obtain a foundation soil layer; a cushion layer is constructed on the foundation soil layer, and leveling is carried out; a waterproof layer is constructed on the cushion layer after the leveling; a plurality of crisscross waterproof protective layers extending along the strike of a foundation beam are constructed on the position, where the foundation beam needs to be constructed, of thewaterproof layer; beam mould forming strip groups which extend in the length direction of the waterproof protective layers and are used for forming a foundation beam mould are arranged on waterproof protective layers; geotechnical cloth is laid in each filling grid formed by surrounding of the beam mould forming strip groups, and the periphery of the geotechnical cloth in each filling grid extendsto the top portions of beam mould forming strips which surround the filling grids and is fixed; foamed concrete is poured in the geotechnical cloth of each filling grid to form a base plate mould; the beam mould forming strip groups are removed; and the reinforced concrete is poured on the surface of the formed foundation beam mould and the upper surface of the foundation plate to obtain the foundation beam-slab.

The invention discloses an anti-cracking water-resistant intermediate paint preparation method and a product prepared by the method. The elastic emulsion used in the product is Tianba 2000, which has excellent water resistance, flexibility, alkali resistance and percentage of elongation. Assistants are common assistants for construction paints; and fillers are barium sulfate, talcum powder and coarse whiting powder, and the coarse fillers can enhance the physical and chemical properties of the coated film and lower the cost. The method disclosed by the invention has the advantages of simple preparation technique and high production efficiency, and is easy to implement. The anti-cracking water-resistant intermediate paint product disclosed by the invention has the advantages of favorable flexibility, strong cracking resistance (can bridge a 0.5-3mm crack), favorable water resistance, high binding firmness, favorable comprehensive properties, high temperature tolerance and high weather resistance, effectively solves the phenomena of cracking and water leakage in the walling, and ensures the walling to have neat and elegant appearance; and besides, the construction process is simple, greatly shortens the construction period, enhances the construction efficiency, requires low cost, and is beneficial to wide popularization.

The invention belongs to the technical field of architectural engineering and particularly relates to a light self-insulation composite wallboard for architectural engineering such as frames, framed bents and shear walls and a manufacturing method thereof. The light self-insulation composite wallboard comprises an insulation board, ceramsite concrete sheets are arranged on both sides of the insulation board, and the ceramsite concrete sheets on the two sides are fixedly connected with each other through a shear-resisting and compression-resisting connecting part which penetrates through the insulation board. Steel wire meshes are arranged in the ceramsite concrete sheets, the left end and the upper end of the insulation board are concave inside the ceramsite concrete sheets on the two sides so as to form a groove, and the right end and the lower end of the insulation board protrude out of the ceramsite concrete sheets on the two sides so as to form a rib. A wall body is carried to a construction site after being prefabricated in a factory, hoisting installation is adopted on the construction site, components are assembled into a whole in a reliable connection mode, and therefore housing industrialization is facilitated. Construction of an insulation layer is not needed after a building main structure is completed, so that the construction procedure is simplified, the construction progress is accelerated, and construction cost is reduced.

The invention discloses a wire box installation point position construction method. The method comprises steps: 1) a wire tube head reserved on a floor is sleeved with a support frame connector; 2) the space position of the wire box on a prefabricated wall body is determined; 3) a wire box support frame is installed according to the space position of the wire box, the wire box support frame and the support frame connector are connected and positioned, and a panel part of the wire box is fixedly installed on the wire box support frame; 4) a wire tube with a matched length is cut out, the lowerend of the wire tube is connected with the wire tube head, and a wire joint in the wire tube is connected with the wire box; and 5) the wall body is fabricated according to the position of the prefabricated wall body, and the wire box is embedded in the wall body. The wire box point position is well adjusted when the support is fixed in advance, for example, elevation, an out-wall size and whetherto be stable are adjusted. Collection of construction slag for multiple times is not needed, and later chiseling is not needed, and the wire box support frame can be fixed without drilling in the bottom plate.

The initial support structure and construction method of tunnel freezing in weak surrounding rocks belong to the technical field of tunnel support structures. The upper and lower flanges of the arch frame are coated with insulating layers inside; the refrigeration device is composed of N-type semiconductors, P-type semiconductors and metal gaskets. The metal gaskets are pasted on the arch at random, and N-type semiconductors and P-type semiconductors are alternately welded at the intersection positions of the metal gaskets to form a galvanic pair; the heat dissipation device is composed of a connecting pipe, a radiator, a ventilation pipe and an exhaust pipe. After the excavation of the tunnel, the arch frame with refrigeration device is installed, the radiator is arranged inside the arch frame, and the adjacent arch frames are connected by connecting pipes; the ventilation pipe is inserted into the arch frame and led to the tunnel opening, and the exhaust pipe is inserted into the ventilation pipe. The DC power supply is connected with the refrigeration device; the present invention can not only form a frozen soil shell on the surrounding rock around the weak section of the tunnel, prevent water and control the deformation of the tunnel, but also increase tunnel Ventilation improves the construction environment.

The invention discloses a connecting method of steel arch units for tunnel supporting. Longitudinal section steel joists are arranged at connecting parts of the steel arch units of a tunnel along a tunnel axis; the arch units are connected onto the joists, so that the connection of the arch units is not limited by types and curvatures of the arch units; and during construction, a temporary supporting effect of arches at the upper parts of the joists constructed can be exerted without mounting of the arches at the side parts of the joists. The method solves the problems that the reliable connection between the arch units is difficult due to type and curvature factors of the arches and the supporting effect of the mounted arches is difficult to exert prior to closing of the annular arches; and the method achieves quick mounting of the steel arches without increase of construction procedures and timely exertion of the supporting effect, ensures tunnel safely in a construction process andaccelerates a construction progress.