4490 results about "Shear wall" patented technology

Structural cement panel for resisting transverse and shear loads equal to transverse and shear loads provided by plywood and oriented strain board, when fastened to framing for use in shear walls, flooring and roofing systems. The panels provide reduced thermal transmission compared to other structural cement panels. The panels employ one or more layers of a continuous phase resulting from curing an aqueous mixture of calcium sulfate alpha hemihydrate, hydraulic cement, coated expanded perlite particles filler, optional additional fillers, active pozzolan and lime. The coated perlite has a particle size of 1-500 microns, a median diameter of 20-150 microns, and an effective particle density (specific gravity) of less than 0.50 g/cc. The panels are reinforced with fibers, for example alkali-resistant glass fibers. The preferred panel contains no intentionally added entrained air. A method of improving fire resistance in a building is also disclosed.

A vertical shear wall system including vertical metal framing members, for example, C-joists, U-joists, open web joists, or other metal frame systems that support a reinforced, lightweight, dimensionally stable SCP panel. The shear wall system is non-combustible, water durable, mold and rot resistant, termite resistant and is capable of resisting shear loads equal to or exceeding shear loads provided by plywood or oriented strand board panels. The panels employ one or more layers of a continuous phase resulting from the curing of an aqueous mixture of inorganic binder, for example, calcium sulfate alpha hemihydrate, hydraulic cement, an active pozzolan and lime. The continuous phase is reinforced with glass fibers and contains lightweight filler particles, for example, ceramic microspheres.

The invention relates to an assembled monolithic shear wall building structure and a construction method thereof, and belongs to the technical field of buildings and construction thereof. The assembled monolithic shear wall building structure is formed by connecting prefabricated concrete members which comprise a prefabricated wall plate member, a floor member, a T-shaped wall column member, an L-shaped wall column member, a cross wall column member and a wall member with an opening. The structure is characterized in that a plurality of longitudinal through holes which are parallel to the surface are formed in each prefabricated concrete member; transverse grooves crossed with at least one longitudinal hole are formed on the longitudinal edge at intervals; transverse anchoring steel bars are arranged at the transverse grooves among different prefabricated members; longitudinal anchoring steel bars are arranged in the longitudinal holes; a layer of structural unit or a single-layer building structure is formed by filling concrete in the longitudinal holes and the transverse grooves; and a plurality of structural units are connected to form a multi-layer or high-rise assembled monolithic shear wall structure. The structure can be used in a multi-layer or high-rise shear wall building structure and a frame-shear wall building structure, the industrial level of the building structure can be improved, stress performance is improved, and resources are saved.

The invention relates to the field of assembled concrete structures, in particular to an assembly connecting structure and an assembly connecting method of an assembled concrete frame and shear wall combination. A cast-in-place strip is disposed between precast columns and precast shear walls to connect column-wall embedded rebars. Vertical through holes are reserved in a precast node-precast beam integrated component to achieve communicated connection of vertical rebars for the upper and lower columns and the upper and lower shear walls. Embedded steel sleeves at the lower ends of the precast columns and the precast shear walls are mutually embedded with projecting rebar segments extending up out of the lower columns and the lower walls, and are integrated with the lower columns and the lower walls through cast mortar. The projecting straight rebars at the upper ends of the precast columns and the precast walls penetrate through the through holes reserved in the precast node-precast beam integrated component and protrude a floor slab, and the precast columns and the precast nodes are firmly integrated with the precast shear walls precast beams by cast mortar. Wet operations such as in-place casting of concrete are reduced to the maximum extent, building quality is improved, construction period is shortened, and energy conservation and emission reduction are achieved.

The present invention provides a prefabricated assembly type shear wall vertical slit connecting structure which comprises a left side shear wall, left side pre-embedded profile steel, a right side shear wall, right side pre-embedded profile steel, and a plurality of split bolts. The left side pre-embedded profile steel and the right side pre-embedded profile steel are disposed between the left side shear wall and the right side shear wall and have the same structure. The left side pre-embedded profile steel comprises a side plate, a front side plate and a rear side plate, the front side plate and the rear side plate are disposed at front and rear positions of the side plate, each of the front side plate and the rear side plate is inwardly provided with a groove, and the grooves are provided with a plurality of bolt holes. The split bolts are disposed in the bolt holes to lock and fix the left side pre-embedded profile steel and the right side pre-embedded profile steel. The present invention also provides a construction method of the prefabricated assembly type shear wall vertical slit connecting structure. The connecting structure is high in bearing capacity, high in stiffness, good in seismic ductility, excellent in integrity, convenient in construction and good in construction quality, and concrete is effectively restrained.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

The invention discloses a prefabricated sandwich heat-preservation heat insulation concrete external wall panel and a fabrication method. An integral composite wall panel which is structured in a way of wall body- heat insulation-architectural decoration from interior to exterior is adopted, the wall body is a load-bearing concrete structural layer, the middle of the wall panel adopts a heat insulation board, and the outermost side of the wall panel is an architectural decoration cladding panel, the three layers of the wall panel are connected into a whole by heat insulation connectors, so that the composite external wall panel is applicable to assembling an integral shear wall structure or an integral frame-shear wall structure, and also meets the requirements of buildings on energy conservation and fire protection. The prefabricated sandwich heat-preservation heat insulation concrete external wall panel is prefabricated in a factory and is mounted on site, so that the production and construction efficiencies are high, and the quality is also ensured; besides, the external wall panel realizes energy conservation, environmental protection, fire protection and heat insulation, and also has remarkable comprehensive benefits.

The invention relates to an anti-buckling oblique notching steel plate energy dissipation shear wall which belongs to the technical field of structural engineering. The anti-buckling oblique notching steel plate energy dissipation shear wall consists of an oblique notching steel plate, concrete slabs and an edge frame, wherein the concrete slabs are arranged at both sides of the steel plate and are used for restraining out-of-plane deformation of the steel plate; the edge frame is connected with the steel plate; the steel plate is provided with different forms of chutes designed as required; the periphery of the steel plate is connected and embedded into the edge frame by bolts; the bolts passing through the chutes are connected with the concrete slabs at both the sides. By forming the different forms of chutes on the steel plate, a complex stress state of the steel plate is changed, and a stress mode of taking tension and compression deformation of the steel plate among the chutes as the major mode is formed, and thus, not only is the anti-buckling oblique notching steel plate energy dissipation shear wall beneficial for implementing stable tension and compression energy dissipation, but also parameters of inclined plates among the chutes can be regulated by changing the forms and the sizes (length and width) of the formed chutes, and an inefficacy mechanism of the shear wall is effectively controlled, so that resist lateral stiffness, intensity and ductility of the shear wall can be regulated. Used as a novel lateral force resisting and energy dissipation component, the anti-buckling oblique notching steel plate energy dissipation shear wall can be widely applied to multilayer and high-rise structures.

The invention discloses a compound type connection shear wall structure and an assembling method thereof. The compound type connection shear wall structure comprises N shear wall components of the same structure, wherein every two adjacent shear wall components are connected through a compound shear key and a key groove so that a compound type connection shear wall can be formed. Due to the mutual guide-in effect of the compound shear keys and the key grooves, the construction precision is improved, and eccentric compression generated by inaccurate assembling is avoided. Because the shear key on each shear wall component below can bear the weight of the corresponding shear wall component above when the next layer is assembled, assembling of a wall body of a previous layer can be instantly conducted after floor pouring is completed without waiting till floor concrete reaches the strength, and the assembling cycle of floors can be greatly shortened. The shear keys of the shear wall components below are embedded in the key grooves of the shear wall components above, the shear keys can bear transverse shearing force, the shear resistance of the structure is enhanced, and reliability of the structure is enhanced.

A novel prefabricated shearwall is disclosed with improved structural characteristics in terms of its ability to 1) transfer lateral loads to the foundation, 2) resist bending moments normally arising in conventional shearwalls between hold-down hardware and end posts or vertical framing members, 3) effectively diffuse stresses known to result in nail fatigue, and 4) reduce slippage between the bottom of the end posts and base in response to cyclic loadings. These superior properties result partly from its geometry in lower, or shear force transfer region, accompanied by thrust block/anchor rod assemblies to provide stiffness and strength over the lower portion of the end posts. Furthermore, specialized wrap-around connector plates that cover a portion of the bottom surface of these end posts also contribute to the enhanced prefabricated shearwall design.

A precast concrete wall panel molding system for fabricating a wall shell and a plurality of ribs and beams. A precast concrete wall panel molding system with facilities for incorporating door and window frames. A ductile panel end connector for attaching panels one to another whether in parallel or angled as in inside or outside corners. A ductile panel end connector for attaching panels to columns. A wall anchor/shear plate with post-tensioning brace plate. A hybrid precast/cast-in-place special moment resisting shear wall/special moment resisting frame reinforced concrete building system for regions of potential seismic activity. A prescriptive method building system for composite structural building assemblies with conventional wood and light-gauge steel framing, structural steel, and other building code approved and tested building systems, building components, building panel systems, building roofing systems, modular and manufactured buildings, and building electrical, mechanical, and plumbing systems. A precast concrete wall panel system conforming to industry practices and standards as published by the Precast/Prestressed Concrete Institute, (PCI) in it's “PCI Design Handbook” (fifth edition, 1999), the American Concrete Institute “Building Code Requirements for Structural Concrete” (ACI 318-05), The “International Building Code 2006” and the “Uniform Building Code”.

The invention discloses a shear wall with an inbuilt continuous-row steel tube concrete core column and a soft steel energy consumption bond and a manufacturing method thereof, belonging to the field of steel tube concrete combined shear wall. The shear wall comprises a combined steel tube concrete frame and a shear wall body, wherein the shear wall body comprises a steel tube concrete core column and a soft steel energy consumption bond, and the left end and the right end of the steel plate energy consumption bond are fixedly connected with the core column and the steel tube concrete frame; two sides of the continuous-row core column are provided with longitudinal and transverse mat reinforcements, and reinforcements on two sides are connected by binding rebars; soft steel energy consumption short steel plates the strength of which is smaller than that of the steel plate are arranged between the core columns and between the core column and a frame column, thus greatly improving the ductility and the flexural rigidity of the shear wall; meanwhile, because the short steel plate is equivalent to a connecting beam, the effect of invisible 'strong column and week beam' can be realized; and the soft steel energy consumption bond, the concrete wall body, the frame column and the core column jointly form three defensive lines of a lateral force resisting system. The invention adopts the steel tube concrete core column and the soft steel energy consumption bond as the lateral force resisting system, improves the vertical rigidity and the bearing capacity of the shear wall, has the advantages of convenient construction and shortened construction period and is more economical.

The invention discloses an assembled shear wall and wall-beam connecting structure with an edge restraining component. The structure comprises a shear wall formed by prefabricating concrete and a beam. Rectangular steel tubes are prearranged at the four corners of the shear wall, stretching reinforcing steel bars are prearranged on the upper side and the lower side of the shear wall, and a feed port is formed in the bottom of the shear wall. Hidden columns are arranged on the two sides of the shear wall, and longitudinal ribs of the hidden columns are welded to the inner sides of the rectangular steel tubes. Crossing reinforcing steel bars are arranged in the shear wall, and two ends of the crossing reinforcing steel bars are welded to the outer sides of the rectangular steel tubes. A steel plate and a grouting sleeve are embedded in the beam. An upper-layer wall body and a lower-layer wall body are initially connected through a connecting steel plate, opposite-drawing bolts, the stretching longitudinal ribs on the wall, the embedded sleeve in the beam and the like, and are finally connected through post-cast concrete. The assembled shear wall and wall-beam connecting structure with the edge restraining component has the advantages of being high in energy consumption in an earthquake, convenient to hoist and connect in a butt joint mode, fast to mount and the like, can be widely applied to an assembled integrated frame-shear wall structure, and has the wide engineering application prospect.

The invention discloses a column-through assembled prestressed concrete frame system and a construction method thereof. The system comprises a foundation, a prefabricated reinforced concrete column, a prefabricated reinforced concrete beam, a superimposed floor slab and an external hung prefabricated wallboard, wherein a column prestressed duct is formed in the prefabricated reinforced concrete column; a beam prestressed duct is formed in the prefabricated reinforced concrete beam; post-tensioned unbonded prestressed tendons are penetrated into the beam prestressed duct and the column prestressed duct; energy-dissipation steel bars are anchored between the prefabricated reinforced concrete column and the superimposed floor slab. The structure provided by the invention has a good seismic performance; the lower part of a beam-column joint is subjected to unreinforced connection so that the structure is simple; the post-tensioned unbonded prestressed tendons and a replaceable column base energy dissipater are used so that the structure is less damaged and easy to be repaired in the earthquake; a construction manner of using the prefabricated superimposed floor slab and prestressed assembly makes site construction convenient and rapid and saves a lot of supports compared with a traditional prefabricated assembly structure; the column-through assembled prestressed concrete frame system provided by the invention is used in combination with lateral supports, shear walls and other lateral force resisting members, and is applicable to most high-rise public buildings.

The invention disclosed is a low-profile, multi-axis, highly passively damped, vibration isolation mount which when used in multiplicity provides a complete vibration load isolation mounting system. The device provides in unique fashion a very low profile interface in combination with independently determinable compliance in all directions of vibration loading. Substantial passive damping is afforded without sacrifice to strength and linearity of behavior through adaptation of a shear wall type constrained layer damping. The result is a highly passively damped vibration isolation device that provides a very low profile interface, wide ranging longitudinal and lateral compliance management, in a durable, reliable, lightweight, and compact form.

The invention relates to a structure and a construction method of a cast-in-style welded steel frame composite concrete shear wall. The structure comprises an indoor concrete layer, an outdoor concrete layer and a wire frame insulation sandwich board. The wire frane insulation sandwich board is coated between the indoor concrete layer and the outdoor concrete layer. At least two rectangular and groove-typed cantilever holes are arranged at the top of the sandwich board, and each cantilever hole is provided with a U-shaped cantilever anchor bar which penetrates through the sandwich board and a floor slab to be fixedly connected with the floor slab. The construction method includes site preparation work, binding of load-bearing steel bars of a wall body and edge member steel bars, custom processing of the sandwich boards, installation of the sandwich boards, pavement of template positioning pieces and wall bushings, fixation of water and electric pipes inside the wall body, binding of ordinary blocks on both sides of the wall body steel bars, erecting of the templates, pouring of the concrete, removing of the templates and concrete curing. Since a series of composite wall construction methods are adopted, problems existing in the prior art are solved, and a composite heat preservation technology is improved.

This invention relates to a structural cementitious panel (SCP) panel able to resist lateral forces imposed by high wind and earthquake loads in regions where they are required by building codes. These panels may be used for shear walls, flooring or roofing or other locations where shear panels are used in residential or commercial construction. The panels employ one or more layers of a continuous phase resulting from the curing of an aqueous mixture of inorganic binder reinforced with glass fibers and containing lightweight filler particles. One or more reinforcement members, such as mesh or plate sheets, are bonded to at least one surface of the panel to provide a completed panel that can breathe and has weather resistant characteristics to be capable of sustaining exposure to the elements during construction, without damage.

The invention discloses a liftable hydraulic climbing mould and construction method, which comprises the following parts: mould system, hydraulic elevation system and operation platform system, wherein the mould system connects two moulds through extended bolt, whose back connects the steel back deck; the stripper is set on the mould at each space; the liftable jack of hydraulic elevation system crosses on the top of support rod, which connects the support ridge cross-shape; the elevation rack and operation system are connected under the support ridge; the pillar of elevation rack contains moving support leg and channel clamp; the moving support leg contains horizontal extension lead-screw in the clamp, which connects the mould back ridge; the bottom of elevation pillar connects the adjustment lead-screw vertically.

The invention relates to a construction method of an overlong and superhigh single-side fair-faced concrete wall. The method comprises the following steps of: (a) carrying out deepening design on a template drawing; (b) finishing binding shear wall reinforcing bars and welding positioning reinforcing bars; (c) mounting a template: mounting the template by dividing the template into a fair-faced template and an ordinary concrete template, mounting the fair-faced template firstly and then mounting the ordinary concrete template; (d) supporting and reinforcing the mounted templates; (e) pouring concrete into the templates: arranging a rear pouring band along the length direction of the concrete wall, and pouring by layers from top to bottom along the height direction of the concrete wall; (f) dismantling the templates to maintain the concrete; and (g) circularly using the dismantled templates on other construction sections according to construction requirements and repeating the steps from (b) to (f) to finish the construction of the whole wall body. The invention is suitable for the construction of the overlong and superhigh single-side fair-faced concrete wall, and not only guarantees the mounting quality of the fair-faced concrete template, but also reduces the construction cost.

The invention discloses a shear wall with a double-steel plate structure, which comprises steel plates, stiffening plates, connecting steel bars, and studs; the steel plates are spliced ​​by welding, and the opposite sides thereof are connected together by welding stiffening plates and connecting steel bars; Studs are welded on opposite sides of the inner steel plate and the outer steel plate; concrete is poured in the wall. This kind of structure can strengthen the lateral stiffness of the shear wall, and weaken the shrinkage and creep of the concrete when pouring concrete in the wall, so that the bearing capacity and ductility of the wall are significantly enhanced, and the seismic performance is improved. The invention also discloses a construction method for building the shear wall. Firstly, the processing unit is divided, and then the steel plate of the unit is hoisted on the installation foundation pre-embedded with the foundation embedded parts to form the wall, and then the verticality of the wall is corrected, and the wall joint is welded. , Concrete is poured on the wall; inner and outer operating platforms are also erected during construction.

The invention relates to a prefabricated assembled superposed plate type concrete shear wall and a construction method thereof. The prefabricated assembled superposed plate type concrete shear wall comprises superposed wall plates and a cast-in-place concrete core wall, wherein each superposed wall plate is formed by superposing two prefabricated concrete single wall plates which are of the same specification and are symmetrically arranged at an equal interval; supporting plate steel bar supports are arranged between the two single wall plates; node connection reinforcement steel bars are arranged on end nodes of the superposed wall plates; the superposed wall plates are fixedly integrated with the cast-in-place concrete core wall; and the superposed wall plates, the cast-in-place concrete core wall, the supporting plate steel bars and the node connection reinforcement steel bars are fixedly connected with one another to form the shear wall structure. The invention also provides a construction method for the shear wall structure. By the construction method, when an extensive form building mode is changed, and structural members of a house are standardized and modularized, engineering construction is high in speed, and materials are saved; and the overall structural performance is high.

The invention relates to an assembly integral shear wall building structure and a building method and belongs to the field of buildings and construction technologies of the buildings. The shear wall building structure is formed by connecting prefabricated concrete hollow components through steel bars and cast-in-place concrete, wherein the prefabricated concrete hollow components include prefabricated wall body components, floor board components, T-shaped wall pillar components, L-shaped wall pillar components, cross-shaped wall pillar components and wall body components with holes. Multiple parallel lengthwise through holes are formed in the prefabricated hollow components in the length direction and multiple parallel transverse non-through holes communicated with the lengthwise through holes are formed in the prefabricated hollow components in the width direction. Horizontal anchor connection steel bars inserted into the transverse holes are arranged among the different prefabricated components. Lengthwise anchor connection steel bars are arranged in the lengthwise holes, wherein one end of each lengthwise anchor connection steel bar protrudes out of the surface of the corresponding prefabricated component by a certain length. The concrete is filled into the lengthwise holes and the transverse holes to form a layer of structural unit or a single-layer building structure. Multiple structure units are connected to form a multiple-layer or high-rise assembly integrated shear wall structure. The assembly integral shear wall building structure and the building method can be applied to the multiple-layer or high-rise shear wall building structures and frame-shear wall building structures. Thus, the industrial level of the building structures can be improved, stress performance can be improved and resources are saved.

The invention discloses an outsourcing multi-cavity steel plate concrete composite shear wall and a construction method thereof. The outer periphery of the wall is surrounded by steel plates, and the interior of the wall is divided into several interconnected cavities filled with concrete. During the construction of the present invention, the concealed column cavities at both ends are hoisted to the poured lower shear wall and connected and fixed, and then the wall is hoisted to the poured lower shear wall and connected with the concealed column cavity and the lower shear wall. The walls are respectively connected and fixed, then the reinforcement cage/net is placed in the cavity, and finally concrete is poured in the cavity of the concealed column and the cavity of the wall. The advantages of the present invention are as follows: 1. The structure is reasonable, the performance is good, and the ductility is greatly improved. 2. Give full play to the performance advantages of steel and concrete, save materials and cost. 3. Simple connection with floor steel beams, outrigger trusses and other components, simple and convenient construction process and high efficiency. The invention is suitable for high-rise and super high-rise buildings, and has wide application range and development space.