8results about How to "Reduce construction procedures" patented technology

The application provides a foundation pit supporting structure of deep silt stratum and a construction method thereof. The foundation pit supporting structure comprises cast-in-situ bored piles arranged in rows and a water stop curtain. The water stop curtain comprises a plurality of rotary jet piles located in the silt layer and the upper stratum thereof and a plurality of swing jet piles located in the lower stratum of the silt layer. The cast-in-situ bored piles are constructed by using rotary drilling machines; adjacent rotary jet piles are overlapped and engaged with each other; adjacent swing jet piles are overlapped and engaged with each other; and adjacent cast-in-situ bored piles are not engaged with each other. The application combines the construction of the water stop curtain and the cast-in-situ bored piles, firstly constructs the rotary jet piles of the water stop curtain, overlaps and engages the rotary jet piles with each other, then constructs the cast-in-situ bored piles by using rotary drilling machines in the rotary jet piles, the diameter of the rotary jet piles is larger than that of the cast-in-situ bored piles, the former serves as the water stop curtain and also serves as the temporary casing during the construction of the latter, one pile has two uses, the construction process is reduced, the engineering cost is lowered, and the application has good popularization value.

This application discloses a jacking support construction device and method for rapid replacement of bridge bearings, comprising: a jacking support mechanism, a base, a base plate, and a self-locking mechanism; the jacking support mechanism integrates a hydraulic jacking structure and a mechanical support structure, the hydraulic jacking structure being used to jack the box girder, and the mechanical support structure being used to support the box girder; the hydraulic jacking structure includes a hydraulic cylinder and a piston rod fitted inside the cylinder, the cylinder having inlet and outlet ports for connecting to a hydraulic station via hydraulic oil pipes; the self-locking mechanism consists of a hydraulic self-locking component and a mechanical self-locking component, the hydraulic self-locking component being located within the hydraulic jacking structure to lock the inlet and outlet ports, and the mechanical self-locking component being located within the mechanical support structure to lock the mechanical support structure; the jacking support mechanism is mounted on the base plate via the base, the base plate being fixedly placed on the support platform; the base and the base plate are provided with an adjustment mechanism for adjusting the position of the jacking support mechanism. This device eliminates the need to transport and stack support components, reducing construction steps and improving efficiency.

The present application belongs to the field of building construction technology, and relates to a window sill construction method and a prefabricated part for a reconstruction project, comprising an original wall, a plurality of prefabricated blocks and a mortar leveling layer, the original wall and the plurality of prefabricated blocks are provided with the mortar leveling layer, the prefabricated blocks are fixed by high-strength self-leveling grouting, the original wall passes through the plurality of prefabricated blocks through a reinforcing bar connecting piece, and the original wall and the plurality of prefabricated blocks are provided with a waterproof layer outside. The combination scheme of the prefabricated blocks, the reinforcing bar connecting piece and the self-leveling grouting effectively reduces the process of the overall structure construction, improves the construction efficiency, reduces the material waste on the construction site, avoids the generation of a large amount of building material garbage, effectively saves the construction cost, and improves the effect and long-term reliability of the window sill prefabricated reconstruction project.

The present application relates to the technical field of building construction, in particular to a medical spliced antibacterial medical board construction method, comprising the following steps: A, wall surface quality acceptance; B, line marking; C, drilling and inserting screw sleeve; D, installing keel; E, installing fastener; F, installing antibacterial medical board; G, sealing glue; The construction method has the advantages of simple construction process, less construction procedure, high quality reliability and the like; The construction speed can be greatly improved by using the construction method, and the construction period is shortened; Further, the antibacterial medical board adopts a "dry hanging" fixing mode, which ensures the safety of the system; Compared with the phenolic resin board construction, the fireproof grade, wear resistance, formaldehyde content, moisture resistance, stain resistance, scratch resistance and other performances are significantly improved, so that the construction process is more environmentally friendly and safe.

The utility model relates to the technical field of building construction, and concretely discloses a protective window rail suitable for construction temporary protection, which comprises a permanent protective window rail, the permanent protective window rail comprises a permanent protective window horizontal pole and a permanent protective window vertical pole, and a temporary protection frame is detachably installed on the permanent protective window rail, the temporary protection frame comprises a horizontal telescopic rod arranged between the permanent protective window horizontal pole and a floor slab, the temporary protection frame can fill the gap between the permanent protective window vertical pole and the floor slab, thereby achieving the purpose of temporary protection, and the temporary protection frame is arranged on the inner side of the protective window rail to play a construction protection function, which can avoid the direct collision of construction appliances or construction personnel on the permanent protective window rail, thereby forming protection for the permanent protective window rail, after the completion of construction, the horizontal telescopic rod is retracted, and then the temporary protection frame is dismounted and installed on the next construction part, so that the protective window rail can be repeatedly used.

The utility model discloses a prefabricated composite floor in the technical field of fabricated building, which aims to solve the problem of additional support needed during the assembly and pouring of the prefabricated composite floor in the prior art. It comprises: prestressed clamps are installed on both sides of the semi-finished product of the prefabricated composite floor along the extension direction of the longitudinal reinforcement of the composite board, the prestressed strands are tensioned between the two prestressed clamps, and then the composite board body is poured to obtain the finished product prefabricated composite floor. Under the tensioning force of the tensioned prestressed strands, the prefabricated composite floor arches, after the prefabricated composite floor is initially assembled with the shear wall, when the prefabricated composite floor is poured for the second time, the arching stress caused by the tensioned prestressed strands can offset or slow down the gravitational force of the concrete, thereby the support structure below the prefabricated composite floor for supporting the un-solidified concrete can be reduced or completely removed, achieving the effects of reducing construction cost, shortening construction process, and releasing the lower space.

The present application relates to the technical field of fracturing aids, and is a temperature-controlled self-polymerization sand consolidation proppant and a preparation method thereof.The raw materials of the temperature-controlled self-polymerization sand consolidation proppant include a proppant, a surface modifier, a temperature-sensitive material, an initiator and an organic solvent.The surface modifier is composed of a silane coupling agent and an accelerator, and the temperature-sensitive material is composed of temperature-sensitive material A and temperature-sensitive material B.The temperature-controlled self-polymerization sand consolidation proppant has good compression resistance, flow conductivity and anti-flowback capability.The proppant is modified, and the modified proppant is grafted with the temperature-sensitive material, so that the temperature-controlled self-polymerization sand consolidation proppant changes in molecular conformation at the reservoir temperature after entering the fracture, and the surfaces of the temperature-controlled self-polymerization sand consolidation proppant are bonded together through chemical bonding and physical entanglement in a dual mode, thereby consolidating the sand while maintaining high flow conductivity.

This utility model discloses a reusable grain silo wall reinforcement spacing control device, belonging to the field of grain silo technology. It includes a positioning circumferential pipe, a connecting rod, a sliding pipe clamp assembly, and a fixed bracket. The positioning circumferential pipe is divided into an inner ring and an outer ring, arranged circumferentially along the silo wall. In this utility model, one end of the sliding pipe clamp assembly engages with the positioning circumferential pipe, and the other end clamps the vertical reinforcement. The installation angle is adjustable to adapt to different reinforcement arrangements. The fixed bracket is installed on the slipform template, and its top is equipped with a "U"-shaped support ring. During the slipform's ascent, it supports the entire positioning system and raises synchronously. This device has a simple structure, is easy to install, and highly reusable. It not only eliminates the traditional construction procedures of cement blocks and welded frames, improving construction efficiency and the accuracy of vertical reinforcement positioning, but also avoids the problem of template scraping the reinforcement, improves the appearance quality of the concrete surface, and ensures the overall airtightness of the silo structure.