36results about How to "Solve construction technical problems" patented technology

The invention discloses a construction method of offshore tide storage bottom sealing concrete. The construction method specifically comprises the following steps of: pouring bearing platform bottom sealing concrete in two layers during rising tide, namely when the elevation of bearing platform bottom sealing concrete is higher than water surface; using a duct pouring underwater concrete construction process for the concrete layer of which the elevation of the bearing platform bottom sealing concrete is lower than the water surface; and after the strength of the concrete of the pouring layer of which the elevation is higher than the water surface reaches demands and ebb tide, using a dry pouring construction process for the concrete layer of which the elevation of the bearing platform bottom sealing concrete is higher than the water surface. According to the actual conditions of tide, the technical problem of influence of tide on offshore bottom sealing concrete construction is effectively solved by the construction process that the underwater tide storage and dry construction are combined with bottom sealing concrete layered pouring; the construction is easy, convenient and safe, the construction period is good and the effect is good; the construction quality of the bottom sealing concrete is effectively guaranteed; favorable conditions are created for bearing platform dry construction; and the construction method has wide application prospect and excellent reference value for similar projects.

The invention discloses a manufacturing method of a double-curved-surface fish-bellied continuous box beam variable-cross-section steel moulding plate. Steel moulding plate longitudinal ribs, cross ribs, steel plates, support short pillars and cross beams are processed and manufactured to form the double-curved-surface fish-bellied continuous box beam variable-cross-section steel moulding plate byutilizing a self-made steel moulding plate manufacturing device. During the manufacturing process, a BIM technology is utilized for modeling and dividing plates, assembling is carried out on the steel moulding plate manufacturing device, the whole manufacturing process is accomplished by welding, adjacent moulding plates are assembled by utilizing a flanging bolt, and the formed moulding plate issmooth in surface so as to achieve the forming quality, so that the difficulty in manufacturing and constructing technology of the double-curved-surface fish-bellied continuous box beam variable-cross-section steel moulding plate is solved.

The invention provides a treatment method for annularly continuous bead-like karst caves of a tunnel. The method comprises steps of execution of emergency treatment measures, primary support treatment of vault caves, primary support treatment of left-skewback caves and primary support treatment of right-hance caves. The treatment method for the annularly continuous bead-like caves of the tunnel is safe, reliable, scientific, feasible, convenient to construct, economical and reasonable, solves the technical problems in construction of the bead-like caves while the construction duration is short, provides reference for follow-up similar cave treatment especially treatment of the vault caves, and realizes the effects of saving time and labor and facilitating construction.

An anchoring-sprayed prop for controlling water in constructing underground engineering features direct use of anchorage and spraying concrete. Its construction technology includes such steps as drilling weep holes, setting up weep pipes, primary spraying, drilling anchor holes, installing anchor rods, hanging net, spraying again, blocking drainage pipes, and curing. If the bed rock encounters fault, it is necessary to spray concrete for the third time.

The invention discloses an oblique curtain wall system and a construction method thereof. The upper and lower ends of upright posts are respectively connected with a connecting angle code I and a connecting angle code II by bolts, and a transverse frame is connected between the adjacent upright posts; the bottom and the top of hollow glass plates are respectively connected with a glass supporting plate I and a glass supporting plate II; the inner side of the glass supporting plate I positioned at the bottom of the upper hollow glass plate is connected with one side of a glass attached frame I, and the other side of the glass attached frame I is embedded into an outward bent hook groove at the upper part of the transverse frame and fixed with the bent hook groove; and the inner side of the glass supporting plate II positioned at the top of the lower hollow glass plate is connected with one side of a glass attached frame II, and the other side of the glass attached frame II is pressed to the lower part of the transverse frame by a pressing block. On the basis of realizing the function of a glass curtain wall, the oblique curtain wall creates a novel and unique overall modeling effect for a building. The construction method is high in construction speed and high in precision; and by the method, the technical construction problems caused by large glass size, high construction height and obvious slope are solved, and technical reference is provided for construction of a large-area oblique curtain wall of a high-rise building.

The invention relates to a method for putting up a steel pipe pile platform of an abrupt slope bare rock, and belongs to the technical field of bridge engineering construction. The method comprises the following steps of: planishing an abrupt slope at platform piles by using a churn drilling, so that the platform steel pipe piles are arranged; pre-embedding three positioning piles along the shoreside; connecting each of three platform steel pipe piles by using structural steel to form space triangular grids; connecting the platform steel pipe piles and the positioning piles by using the structural steel serving as a force transferring bar piece to form space triangular grids; arranging an underwater hinge joint diagonal bracing to enhance the rigidity and stability of the underwater platform steel pipe piles; and finally putting up the integral platform. The method has the advantages that compared with other conventional construction modes of caisson cofferdam or island cofferdam, themethod is convenient and quick, the constructional platform has a simple structure and is explicit in load bearing, all the steel pipe piles are turnover materials disassembled from other platforms without additional investments and can be recovered completely to realize the 'zero construction cost' of the platform, and the economic benefit is obvious; the scheme of putting up the platform is novel and simple, the construction period is short, and a process is easy to grasp; and the method is environmentally-friendly and pollution-free and has no backfills to an ocean.

The invention discloses a cross-section variable fish-bellied type box girder concrete symmetric overlapping pouring structure and a construction method thereof. The structure comprises a box girder web, a box chamber, a box girder top plate and a box girder bottom plate. The method comprises the following steps that S1, a straight line perpendicular to the long side of the box chamber and passing through the theoretical load center of the box girder structure serves as a center line; S2, the box girder web is subjected to concrete pouring construction, and symmetric overlapping pouring is conducted; S3, the box girder bottom plate is subjected to concrete pouring construction, and diagonal pouring is conducted; S4, the box girder top plate is subjected to concrete pouring construction, the surface of the poured concrete is treated, and diagonal pouring is conducted; and S5, flattening treatment is conducted on the surface of the box girder top plate through a roller device, and watering maintenance is conducted on the surface of the box girder top plate. According to the cross-section variable fish-bellied type box girder concrete symmetric overlapping pouring structure and the construction method thereof, the construction quality is ensured, the appearance quality after moulds are dismounted is good, the construction schedule is greatly fastened, and the construction technique difficulty of the cross-section variable fish-bellied type box girder concrete is well solved.

The invention discloses a tunnel entry construction method for crossing a shallow high-load highway, and relates to the technical field of tunnel construction. The tunnel entry construction method for crossing a shallow high-load highway includes: pouring a concrete wall on the outer side of the tunnel, so as to carry out the tunnel construction. Preliminary maintenance; drill holes at preset positions below the arching line of the tunnel vault and the straight wall section of the tunnel to obtain installation holes; press at least two pipe sheds in sequence into any installation hole, and place adjacent ones. The two pipe sheds are welded; the grouting conduit is installed in the pipe shed, and the consolidation grouting is carried out in the grouting conduit; the surrounding rock is broken into the tunnel, and the initial support is carried out after the slag is discharged outside the tunnel; Lining the formwork and lining the reinforced concrete, and repeating the steps of entering the tunnel for crushing the surrounding rock. The above-mentioned tunnel-entry construction method solves the technical problem of tunnel crossing a shallow high-load mine highway construction, ensures the safety of tunnel construction, saves investment and improves economic benefits.