17results about How to "Easy assembly and construction" patented technology

The invention relates to the field of constructional engineering, and discloses an assembly type reinforced concrete-steel structure foundation pit supporting system convenient to disassemble and a construction technology, and the assembly type reinforced concrete-steel structure foundation pit supporting system comprises a top beam, a waist beam, a supporting pile and an inner supporting system; the inner supporting system is formed by assembling a standard steel-concrete beam section main support and a steel member auxiliary support in cooperation with a jack adjusting system. The invention further provides a new system on-site assembly construction process, namely detailed steps of assembly construction from the uppermost layer to the lower layer step by step. The fabricated structure integrates the advantages of two fabricated structures, is suitable for foundation pit supporting with large stress and strict deformation control, and has the advantages of being high in construction speed, short in construction period, low in construction cost, convenient to dismantle and capable of completely recycling most of inner supporting components compared with a traditional cast-in-place steel-concrete foundation pit supporting system.

The invention discloses a mountain tunnel waterproof and drainage structure convenient to maintain and replace and a construction method.The waterproof and drainage structure comprises a primary support, a secondary lining, detachable water guiding and drainage structures and a tunnel bottom drainage structure, an annular groove is reserved in a secondary lining construction joint, and the water guiding and drainage structures are intensively arranged; the water guiding and draining structure comprises a water draining pipe, an annular water draining groove, a water-wave-proof steel pattern plate, a heat preservation material and a decorative plate which are sequentially arranged from outside to inside. The bottom drainage structure comprises transverse drainage ditches and a central drainage ditch. According to the tunnel waterproof and drainage structure, the underground water behind the tunnel lining is basically drained through the capacity of the water drainage pipe for actively reducing the underground water, the underground water is prevented from acting on the supporting structure, permeation of the underground water into the supporting structure is reduced, the construction method is simple and convenient, and the construction quality is easy to control; during tunnel operation and maintenance, desilting, maintenance and replacement are facilitated, and the durability of the tunnel is improved.

The invention relates to the field of constructional engineering, and discloses an assembly type mixed foundation pit supporting system. According to the system, I-shaped, T-shaped and cross-shaped reinforced concrete beam sections are used as a framework of an inner support and are matched with a steel structure auxiliary support to form an inner support system, the three reinforced concrete beam sections are connected only through axial nodes, a plurality of steel latticed columns are arranged in the middle of the inner support system, and a jack is arranged between the inner support system and a top beam or a waist beam; the invention further provides a construction method of the assembly type mixed foundation pit supporting system. The construction period is short, and the inner supporting system is flexible and diverse in plane arrangement structure and can be used for various occasions; the basic parts are manufactured in advance and can be recycled for multiple times, and the whole-life carbon emission and the cost are lower.

The invention discloses a fabricated frame square timber sash-graphite polyphenyl-reinforced foamed ceramic plate combined wallboard and a manufacturing method thereof, which are mainly used as a peripheral wall panel of a light steel frame structure. The wood-wood composite board is formed by assembling an inner leaf frame square wood frame lattice and bamboo plywood combined inner leaf board, an outer leaf frame square wood frame lattice and reinforced foaming ceramic board combined outer leaf board and a sandwich graphite polystyrene board. The inner and outer leaf frame square timber sash is formed by connecting square timbers through node steel plates. The reinforced foamed ceramic plate is formed by compositing a foamed ceramic plate with a decorative surface layer and a high-ductility mortar plate with a shear key, and the high-ductility mortar plate is composed of a built-in steel wire mesh with the thickness not smaller than 20 mm, steel plate strips welded to the periphery of the steel wire mesh and a swallow tail meshing type frame on the periphery of the steel wire mesh. The assembly type frame square timber sash-graphite polyphenyl-reinforced foaming ceramic plate combined wallboard has the integrated functions of structure, heat preservation, decoration and enclosure, has the technical characteristics of light weight, good anti-seismic and fire-resistant performance and convenience and rapidness in assembly and construction, and has two anti-seismic defense lines.

The utility model discloses a strip type CFRP cloth hoop concrete beam which comprises CFRP longitudinal bars, CFRP cloth strips and steel stirrups. The CFRP cloth strips are made of carbon fiber cloth and epoxy resin glue and replace traditional steel bar stirrups to help concrete to resist shear, the three steel bar stirrups are arranged at the two ends and the midspan of a beam, only play a role in fixing a steel bar framework and have little help to structural stress, and the CFRP cloth strips are folded three times in the width direction to form a W-shaped section. A self-locking structure is formed through meshing of the wave crests and the wave troughs and vertically surrounds the outer sides of the longitudinal bars to form closed anti-shearing rings, and finally the CFRP cloth hoop steel bar framework is formed. Interface bonding is enhanced through folding self-locking and epoxy resin synergistically, the shear bearing capacity and corrosion resistance are remarkably improved, and the composite plate is suitable for corrosion environments such as ocean engineering and chemical engineering plants and has the advantages of being light in weight, easy to assemble and low in maintenance cost.

The utility model discloses a light-transmitting glass and stone processing closing-up design structure, which belongs to the technical field of buildings and comprises an original building structure, a hole is arranged on the original building structure, transparent glass is arranged on the hole, a base plate and a plurality of galvanized steel pipes are arranged on the side wall of the original building structure, and the galvanized steel pipes are arranged on the side wall of the original building structure. Galvanized angle steel is arranged among the galvanized steel pipes, stainless steel connecting pieces are arranged on the galvanized angle steel, and a stone veneer is connected to the base layer plate. According to the utility model, the modular stone module unit blocks are placed one by one and assembled, so that the spreading waste and loss of the steel frame are reduced; and the light-transmitting glass is tightly connected with the stone module, so that natural light is guided in, and the energy loss is reduced.

The utility model relates to an equal-strength steel truss reinforcing structure of a structural damage PC box girder, and belongs to the technical field of building structure reinforcing. Comprising a steel truss with the same strength as a PC box girder, and the steel truss is of a cuboid space steel truss structure; a plane truss is arranged on the face, opposite to the steel truss, of the web plate, and the plane truss and the steel truss are fixed to the two sides of the web plate through opposite-pull screws. The steel truss is located on the inner side or the outer side of the web. Anchor bolts and steel gaskets are further arranged on the opposite-pull screws to reinforce and fix the steel trusses and the plane trusses and anchor the opposite-pull screws. And the opposite-pull screws are arranged at the joints of the chord members in the steel truss. A steel-concrete transition connecting section is arranged at the end part of the steel truss and is fixed through an opposite-pull screw rod; and the number of the opposite-pull screws on the transition connecting section is determined according to the tensile force borne by the steel truss chord member and the tensile force which can be borne by a single opposite-pull screw. The equal-strength steel trusses are arranged on the box girder in the damaged area, and meanwhile small original structure damage and a strong reinforcing effect are guaranteed.

The invention discloses a cabinet limiting tool with a package-shaped structure, and particularly relates to the technical field of cabinet limiting, the cabinet limiting tool comprises a fixing mechanism and a moving mechanism, the fixing mechanism comprises a first supporting frame and a connecting hanging frame, and the connecting hanging frame is installed above the two triangular supporting frames through bolts; the first supporting frame comprises a first inclined frame, a second vertical frame, a supporting base and a locking assembly, the second vertical frame is arranged on the side edge of the first inclined frame, the supporting base is installed below the first inclined frame and the second vertical frame through bolts, and the locking assembly is placed on the upper portion of the inner wall of the supporting base. The thin and tall cabinet is separated from the ground, the weight of the thin and tall cabinet can be measured at the moment, and the top end of the thin and tall cabinet is continuously lifted, so that the bottom of the thin and tall cabinet is conveniently assembled and constructed.

The invention discloses a method for controlling micro-deformation of foundation pits in soft soil areas, which belongs to the technical field of foundation pit support and comprises the following steps: after constructing underground continuous walls and column piles on the protection side of the foundation pit, constructing a first concrete support at the upper pit mouth of the foundation pit, and the side of the first concrete is simultaneously extended to the underground continuous wall to support it, and the column piles close to one side of the underground continuous wall and the underground continuous wall are separated to form a pit edge soil retention area on the protection side of the foundation pit; constructing cast-in-place concrete on the lower side of the first concrete; excavating the pit edge soil retention area, and excavating the pit edge soil retention area by one layer until it is flush with the foundation pit; constructing a prefabricated internal support servo system with cast-in-place concrete as support; repeating the above steps until all prefabricated internal supports of the foundation pit are completed; the method of the invention can be constructed quickly under the condition of ensuring that the internal supports have greater rigidity, and solves the defects that the concrete internal support force transmission system is slowly formed and is not conducive to controlling the deformation of the foundation pit, thereby better controlling the micro-deformation of the foundation pit.

The utility model relates to the technical field of pipe pit supporting structures, in particular to a pipe pit supporting structure which comprises two steel sheet pile walls, a pipeline installed between the two steel sheet pile walls, a supporting mechanism arranged between the two steel sheet pile walls and an extension wall fixed to the top faces of the steel sheet pile walls. The supporting mechanism comprises a square cylinder arranged between the two steel sheet pile walls, a square rod slidably connected to the interior of the square cylinder, a rectangular block fixed to the end, away from the square cylinder, of the square rod, and an insertion rod fixed to the bottom face of the extension wall. The bolt is connected to the top surface of the extension wall in a sliding manner; and the control assembly is arranged in the square cylinder. According to the pipe pit supporting structure, the multiple supporting mechanisms are arranged between the steel sheet pile wall and the extension wall and used for supporting, the horizontal pressure resisting capacity of the steel sheet pile wall and the extension wall can be conveniently improved, the supporting mechanisms can be conveniently fixed to the steel sheet pile wall and the extension wall, assembling construction of the structure is facilitated, practicability is better, and application and popularization are more convenient.

The invention discloses an L-shaped wooden column-hole-hidden graphite hardwood-graphite layer-along column foundation stone seismic isolation system which is mainly used for seismic isolation and self-resetting of the bottom of a wooden structure L-shaped wooden column. The shock insulation system is composed of an L-shaped wooden column, three pieces of hole-hidden graphite hardwood, three pieces of concave spherical surface column foundation stones with limiting edges, a graphite layer and three annular tempered glass sealing plates. The L-shaped wooden column is formed by connecting three round timbers through square timber ladders and bamboo plywood. The hole-hidden graphite hardwood is composed of a convex spherical section, a thick cylindrical section, a graphite-hidden hole and a thin cylindrical connecting key which are integrally processed. The graphite layer can reduce the friction force between the convex spherical surface of the hole-hidden graphite hardwood and the concave spherical surface of the column foundation stone. The concave spherical surface of the column foundation stone can enable the L-shaped wooden column to reset automatically after an earthquake, and the limiting edge of the column foundation stone can limit excessive displacement of the bottom of the L-shaped wooden column in the vibration process. And the annular toughened glass sealing plate can be sealed and waterproof. The seismic isolation system has the advantages that seismic isolation at the bottoms of the L-shaped wooden columns reduces the seismic action of an upper structure, and self-resetting after an earthquake achieves structural toughness seismic resistance.

The present invention relates to the field of tunnel and underground engineering technology, and specifically to an assembled buffer structure and design method for a tunnel crossing an active fault, wherein the assembled buffer structure is located in the active fault section and extends a certain length to both sides of the active fault section as a transition; the assembled buffer structure includes an initial support, a buffer layer and a secondary lining arranged in sequence from the outside to the inside; the buffer layer is assembled from a number of porous prefabricated parts. The buffer layer of the present invention can be compressed to a large extent without generating significant additional pressure on the secondary lining of the tunnel, can adapt to a large amount of fault dislocation, and is simpler to assemble using prefabricated parts, and has less impact on the tunnel construction environment; at the same time, the buffer structure design method of the present invention can calculate the required thickness of the buffer layer and design the filling material of the buffer layer according to different engineering needs, which is more accurate and reasonable than the traditional empirical design method.

The utility model relates to prefabricated building technical field discloses prefabricated building beam column joint connecting piece, including beam column, the outside fixed connection of beam column has fixed frame, the periphery of fixed frame all is fixedly connected with connecting block, the outside sliding connection of connecting block has H type steel, the outside sliding connection of H type steel has bolt, the outside sliding connection of H type steel has damping assembly, damping assembly includes rotating block, the inside rotation of rotating block is connected with rotating board, the top fixed connection of rotating board has spring, the top fixed connection of rotating board has damper, the outside sliding connection of H type steel has connecting plate. In the utility model, realize the installation effect of H type steel, rely on damper and spring synergic energy consumption, have the advantage that assemble convenient, maintain convenient, wide application range and can optimize the whole life cycle cost.

The invention discloses a fabricated truss square timber-perlite mortar board-reinforced foamed ceramic board wallboard and a manufacturing method thereof, which are mainly used as a peripheral wall protection board of a light steel combined frame structure. The composite wallboard is formed by assembling an inner leaf truss square timber frame and bamboo plywood combined inner leaf board, an outer leaf truss square timber frame and reinforced foaming ceramic board combined outer leaf board and a sandwich perlite mortar board. The inner and outer leaf truss square timber sash is formed by connecting square timbers through node steel plates. The reinforced foamed ceramic plate is formed by compositing a foamed ceramic plate with a decorative surface layer and a high-ductility mortar plate with a shear key, and the high-ductility mortar plate is composed of a built-in steel wire mesh with the thickness not smaller than 20 mm, steel plate strips welded to the periphery of the steel wire mesh and a swallow tail meshing type frame on the periphery of the steel wire mesh. The assembled truss square timber frame-perlite mortar plate-reinforced foaming ceramic plate combined wallboard has the integrated functions of structure, heat preservation, decoration and enclosure, has the technical characteristics of light weight, good anti-seismic and fire-resistant performance and convenience and rapidness in assembly and construction, and has three anti-seismic defense lines.

The utility model discloses a shock absorption and isolation support for a beam bridge, which comprises a lower connecting steel plate, a supporting block positioned on the upper surface of the lower connecting steel plate, and an upper connecting steel plate positioned on the top surface of the supporting block, and when the shock absorption support is in a use state, the shock absorption support is positioned between a beam body and a support pad stone; the lower connecting steel plate is placed on the upper surface of the support pad stone, bolt holes are formed in the portions, not covered with the supporting blocks, of the lower connecting steel plate, the lower connecting steel plate is fixed to the support pad stone through bolts, two L-shaped side plates are arranged on the upper surface of the upper connecting steel plate, and the beam body is located between the two L-shaped side plates. The shock absorption and isolation support is convenient to replace, the support can be rapidly replaced after an earthquake, in the process of replacing the support, the beam body and the support are connected through the L-shaped side plates and the bolts, steel bars do not need to be planted at the bottom of the beam body, and therefore the jacking space of the beam body is reduced, rapid replacement of the support in the limited space is achieved, the bridge repairing efficiency after the earthquake is improved, and the service life of the support is prolonged. And precious time is won for rescue after disasters.

The invention relates to a steel structure assembly type two-stair two-household unit type second-class high-rise residence traffic core which comprises multiple layers of core tube layer units, and each layer of core tube layer unit comprises a staircase; the first elevator and the second elevator are oppositely arranged at intervals in a face-to-face mode in the first direction; the elevator waiting hall is formed at the interval between the first elevator and the second elevator and serves as a fire elevator and staircase shared front room; the free windows are arranged on the outer walls of the elevator waiting halls, are communicated with the outside and are used for natural ventilation and lighting; the first entrance door and the second entrance door are oppositely arranged on the two sides of one of the first elevator and the second elevator in the second direction and both face the other one of the first elevator and the second elevator. A pressurized air supply shaft and mechanical pressurized air supply system equipment do not need to be additionally arranged, on one hand, the shared area is greatly reduced, and public space awareness is improved; and on the other hand, the life problems of lighting of the elevator waiting hall, natural ventilation, neighborhood communication space, physical and psychological health, high-quality life requirements and the like are solved. And meanwhile, a steel structure pilaster system is adopted, and the requirements of greenness, low carbon, intelligence and safety are better met.