1096 results about "Joint (building)" patented technology

The invention belongs to the technical field of construction of building deformation joints and particularly relates to a construction method of a double-shear wall template formwork at a deformation joint. Shear wall template support systems at two sides of the deformation joint are deeply researched and analyzed, a high-pressure hollow airbag is used as shear wall template supports at the two sides in the deformation joint, and the airbag can be inflated to form a pressure-proof rigid body to be combined with shear wall templates at the two sides and steel tube supports at the outer side of the deformation joint to form a steady two-side shear wall template support system, thereby realizing simultaneous support of the shear wall templates at the two sides of the deformation joint; and after the shear wall templates are dismantled, the high pressure airbag can be deflated to reduce the pressure so as to be smoothly removed, and then the templates at the inner side of the deformation joint can be conveniently lifted out sequentially, so that residual wastes of building construction do not exist in the deformation joint and the materials can be recycled many times.

The invention relates to a waterproof structure of new and old concrete construction interface flexible seam. Wherein, one end of waterproof band is adhered on the oil concrete surface, while another end is inserted into new construction; the waterproof band is around with stuffing material; and expansion bars are laid on the stuffing material; and the embedding material is laid on the expansion bars. The invention has better waterproof effect, to improve the construction quality, and it can be used in underground construction or ground construction that needing waterproof property.

A staircase kit comprises a plurality of side panels and a plurality of inner and outer reinforcing panels disposed in layered arrangement over the side panels. The side panels and inner and outer reinforcing panels have preformed holes extending axially therethrough. The side panels are disposed in stacked relation to one another to form a plurality of module joints there between. Likewise, the inner reinforcing panels are disposable in overlapping relationship to the module joints. The inner reinforcing panels form a plurality of inner panel joints that are preferably disposed in staggered relationship to the module joints. The outer reinforcing panels are disposed in overlapping relationship to the inner panel joints to form a plurality of outer panel joints that are disposed in staggered relationship to the inner panel joints. The preformed holes of the side panels are axially alignable with the preformed holes of the inner and outer reinforcing panels such that mechanical fasteners may be installed at the job site in order to assemble the staircase kit for interconnection to a building structure.

The invention relates to a building project, in particular to a dovetail mortise-tenon connection method between assembly parts in the building project, which is characterized in that dovetail tenons are arranged at the joints of the assembly parts in the building project at intervals, a dovetail slot-shaped mortise is formed between the adjacent two tenons, the tenon of one assembly part is clamped in the mortise of another assembly part for forming the dovetail mortise-tenon connection, if a gap is formed after the connection of one tenon and the corresponding mortise, then the gap is filled through a filler; and two or more assembly parts are connected together for forming a whole structure through the dovetail mortise-tenon connection. The dovetail mortise-tenon connection method can lead a building to become a structural whole which can bear the force as the whole, but be not a rigid structure, thereby leading the whole building to have good seismic performance and good quality.

The invention discloses a disc spring self-resetting joint connecting device, and belongs to the technical field of building structure engineering. The disc spring self-resetting joint connecting device is composed of a steel column, a cantilever short beam, a middle beam, a disc spring resetting device, a U-shaped damper, a connecting steel plate, a column stiffening rib, an anchoring plate, a beam stiffening rib and a high-strength bolt. The steel column and the cantilever short beam are welded, the cantilever short beam is in bolted connection with the middle beam through the connecting steel plate, and the disc spring resetting device and the U-shaped damper are arranged between upper and lower flanges of the steel beam. Under an earthquake action, joints bear bending moment and shearing force through the U-shaped damper and the connecting steel plate, energy input from the outside is consumed, after the earthquake action disappears, self-resetting of the joints is achieved throughthe disc spring resetting device, and a structure is not damaged or slightly damaged after an earthquake. A disc spring self-resetting joint connecting method is simple and convenient, the structureis simple, bolt connection is mostly adopted, assembling can be achieved, and if a component is damaged after the earthquake, the component can be replaced in time. The disc spring self-resetting joint connecting device can be widely applied to the technical field of shock absorption and energy dissipation of building structures.

The invention discloses a beam column connecting piece used for building. The beam column connecting piece comprises a beam column connecting piece body, an upright post connection-peg and a horizontal supporting joint, wherein the beam column connecting piece body is formed integrally; the beam column connecting piece body is arranged on the upright post connection-peg convexly along the vertical direction, and the beam column connecting piece body is arranged on the horizontal supporting joint convexly along the horizontal direction; the beam column connecting piece comprises an outside surface and a horizontal side baffle plate positioning groove, wherein the outside surface is not provided with the horizontal supporting joint; the horizontal side baffle plate positioning groove is communicated with the outside surface and a beam end surface resisting surface; circular platforms are arranged on the top surface of the side baffle plate positioning groove; reinforcing ribs are connected among the circular platforms; and threaded through holes are reserved in the circular platforms. The beam column connecting piece used for building has the advantages that: L-shaped side baffle plates are convenient to install; the L-shaped side baffle plates and the beam column connecting pieces form a baffle wall of which the periphery is in end-to-end connection; the L-shaped side baffle plates, floor slab supporting templates and the like form accommodation space for casting cement floor slabs, so that cement concrete is convenient to cast to form the floor slabs parallel to a horizontal plane; a conventional template does not need to be used for supporting any longer when the cement floor slabs are cast; and the waste of raw materials is greatly reduced.

The present invention belongs to the field of building engineering and features the longitudinal position limitation ofmuff jointed prestressed steel cable mainly. Pipe section joint rigidity is first determined based on foundation conditions; pipe section anti-seismic performance is analyzed based on the joint rigidity, and the joint form and the construction process are further determined. It has the features of simple structure for in-situ installation, flexible steel rope, no joint leakage, anticorrosive steel rope; and waterproof and anti-seismic performance, maintained even in fire.

The invention relates to the technical field of building joints, in particular to an anti-seismic prefabricated beam-column joint of a fabricated building. The anti-seismic prefabricated beam-column joint comprises a connecting piece for connecting a prefabricated column and a first prefabricated beam, and four fixing plates A with rotary sleeves are arranged on the prefabricated column; fixing plates B with rotary sleeve rods are arranged on the upper surface and the lower surface of the first prefabricated beam, the rotary sleeve rods are matched with the rotary sleeves, elastic components are arranged between the tops of the rotary sleeve rods and the bottoms of the rotary sleeves, and grooves with mounting holes are formed in the other end of the first prefabricated beam; and a secondprefabricated beam is further arranged, protruding blocks which are matched with the grooves and provided with long circular mounting grooves are arranged on the side, close to the first prefabricatedbeam, of the second prefabricated beam, and a buffer gap is formed after the grooves and the protruding blocks are completely closed. The invention further provides a construction method of the anti-seismic prefabricated beam-column joint of the fabricated building. According to the prefabricated beam-column joint, the anti-seismic performance and stability of the prefabricated beam-column jointare improved; and the overall design is simple, construction is convenient, and fabricating efficiency is high.

The invention discloses a reinforcing treatment construction method for concrete beam-column joints with different strength grades of high-rise buildings. The reinforcing treatment construction methodcomprises the following steps that setting out is conducted on a measuring base plane; 2, steel bar surface treatment is conducted, specifically, steel bars needed to be used as embedded steel bars are subjected to polishing and rust removing treatment, and then the surfaces of the steel bars are wiped cleanly; 3, chiseling and hole forming are conducted on concrete, and dabbing is conducted on the concrete; 4, drilling and clearing are conducted on the embedded steel bars; 5, the steel bars are embedded; 6; the steel bars are connected and bound; 7, formworks are erected; and 8, the concretepouring and curing are conducted. Compared with traditional treatment measures and technologies of the beam-column joints, the concrete strength at the core joints is guaranteed, the shrinkage crackat the concrete joints is reduced to some extent, the problem handling efficiency is improved, and the problem of the concrete strength at the joints is better solved; and the reinforcing treatment construction method has a certain practicality, scientificity and applicability, and can be widely used in beam-column joint core areas of complex high-rise buildings.

The invention discloses a high-strength fabrication type shear wall structure. The high-strength fabrication type shear wall structure comprises a high-strength prefabrication wall plate, a steel reinforcement cage is arranged in the prefabrication wall plate, local steel reinforcing bars of the steel reinforcement cage of the prefabrication wall plate extend towards the upper side end, the left side end and the right side end to form steel reinforcing bar ends, metal inserting ends are inserted into inserting holes, elastic clamping parts are clamped on the rear sides of clamping ends, the inserting holes communicate with first grouting holes in building floors, first grout vent holes are formed in the side wall of the prefabrication wall plate, seal plugs are configured on the grout ventholes, high-strength non-shrinkage cement grouting materials are poured into the first grouting holes, the matching positions of the inserting holes and the metal inserting ends are full of the high-strength non-shrinkage cement grouting materials, the joints of the prefabrication wall plate and the building floors are full of the high-strength non-shrinkage cement grouting materials, the invention further relates to a construction method of the high-strength fabrication type shear wall structure, according to the shear wall structure and the construction method thereof, a fabrication type prefabrication shear wall and the building ground can be rapidly connected, alignment is more easy, and combination of the prefabrication wall plate and the building ground is firmer.

The invention discloses a hollow brick for quickly building walls. The hollow brick is characterized in that building joint surfaces are added to an upper plane of the hollow brick and are formed in such a manner that a hollow brick body extends into through holes of the hollow brick; continuous upward bulges are arranged on the inner sides of the added building joint surfaces on the upper plane; continuous upward bulges are arranged on the outer edges of the upper plane; closed grooves are formed between the bulges on the added building joint surfaces on the upper plane and the bulges on the outer sides of the upper plane; bulges matched with the grooves formed in the upper plane are arranged on a lower plane of the hollow brick; quick diversion trenches are formed on the left and right sides of the hollow brick. By utilizing the hollow brick, the labor intensity of workers can be greatly reduced, the work efficiency can be improved, the obtained walls have small joints and even the walls are unnecessary to be whitewashed.

A self-reset concrete-filled steel tube column-steel beam node connecting device comprises a concrete-filled steel tube column, steel beams symmetrically connected to the two sides of the concrete-filled steel tube column through connecting steel plates, and energy dissipation components separately connected between an upper flange and a lower flange of each steel beam and the column side of the concrete-filled steel tube column. Two groups of anchoring plates spaced by a certain distance are symmetrically arranged on the two sides of a steel beam web plate, and upper prestressed steel bars and lower prestressed steel bars are respectively connected between the upper sides of the anchoring plates and the concrete-filled steel tube column as well as between the lower sides of the anchoringplates and the concrete-filled steel tube column. Beam-column joints are connected through steel plate bolts, local prestressed steel bars penetrate through a column body and are anchored at the beamends to realize self-reset, the upper and lower flanges of the steel beams are connected with the column side through L-shaped steel plates and high-strength bolts, and the L-shaped steel plates, friction plates and the flanges relatively slide in a friction mode to consume energy. The self-reset concrete-filled steel tube column-steel beam node connecting device has the advantages that connectionis convenient to implement, the structure is simple, and assembly can be realized due to adoption of bolt connection mostly. After an earthquake, the device can absorb shock, dissipate energy and reset automatically, and can be widely applied to the technical field of shock absorption and energy dissipation of building structures.

The invention relates to the field of assembled construction of structural engineering, in particular to a locking mechanism of an assembled building. The locking mechanism comprises a plug-in part and a locking part. The plug-in part comprises a lockpin, wherein a first locking structure is arranged on the outer side wall of the lockpin. The locking part comprises a second driving device, a second shell and a locking assembly arranged in a second shell, a lock hole, the inner part of which communicates to outside, is formed in the second shell, a second locking structure is arranged on the locking assembly, and the first locking structure is matched with the second locking structure in shape. When adjacent two building bodies are in abut joint, the lockpin is arranged in the lock hole ina penetrating manner, so that the first locking structure and the second locking structure are arranged oppositely. The second driving device drives the locking assembly to be connected to or separated from the lock pin, so that the first locking structure is connected to or separated from the second locking structure, and therefore, the plug-in part and the locking part are fixedly connected quickly.

The invention discloses a jacking pipe cutting protective structure for building remains and a construction method thereof. The protective structure comprises an earthwork foundation, a migration body, a box-shaped protective system and a hoisting base, and the box-shaped protective system comprises steel plate protective barrels and protective barrel keels; and the hoisting base comprises steel pipe curtains and opening locking steel beams, the opening locking steel beams and the steel pipe curtains are connected to form a whole, and the hoisting base is provided with hanging point structuresfor allowing hoisting ropes to be connected. The construction method of the protective structure comprises the steps of layered excavation of earthwork, pre-reinforcing of the migration body, lateralreinforcing, earthwork foundation construction, surrounding basement treatment, erection of a jack jacking pipe device, jacking trying, steel pipe marching, butting-joint of steel pipes, jacking andpenetrating through of a soil body, connection of the steel pipes and the opening locking steel beams, hoisting point setting, hoisting and the like. According to the jacking pipe cutting protective structure for the building remains and the construction method thereof, site arrangement is easy, the construction progress is quick, interference factors are less, civilized construction is facilitated, various resources can be well utilized, it can be ensured that surrounding existing facilities are intact, and safety of lives and property of residents is ensured.

The invention relates to the field of building structures, in particular to a double-steel-pipe concrete beam-column joint with a built-in FRP rib connecting device. The double-steel-pipe concrete beam-column joint comprises double steel pipe columns, an I-shaped beam, a joint connecting piece, an inner supporting piece and an outer ring plate. The double steel pipe columns comprise inner steel pipes and outer steel pipes. The joint connecting piece comprises a connecting inner pipe and a connecting outer sleeve disc, and the connecting inner pipe and the connecting outer sleeve disc are bothround steel pipes. The inner supporting piece is of a columnar structure, and bolt holes are evenly distributed in the two ends of the inner supporting piece along the circumference. The outer ring plate comprises a horizontal part and an annular part which are perpendicular to each other. The upper-layer steel pipe column and the lower-layer steel pipe column are connected through the joint connecting piece and the inner supporting piece, the two ends of the inner supporting piece are inserted into the upper inner steel pipe and the lower inner steel pipe correspondingly, and FRP ribs sequentially penetrate through the annular part, the outer steel pipes, the connecting inner pipe and the inner steel pipes and then are fixed into the bolt holes of the inner supporting piece. According tothe double-steel-pipe concrete beam-column joint, the excellent tensile property and fatigue load resistance of the FRP ribs are utilized, the anti-seismic energy dissipation capacity of the joint iseffectively improved, and the safety and bearing capacity of the structure are enhanced.

The invention relates to a multi-hinge-line lifting-up spherical surface reticulated shell structure and a construction method thereof. The multi-hinge-line lifting-up spherical surface reticulated shell structure comprises a toroidal steel tube a, a toroidal steel tube b, a radial steel tube a, a radial steel tube b, a radial steel tube c, a perforated steel ball, a pin shaft, a single-hole bloom, a single-hole ear plate, a cast steel support, rigid nodes, a unidirectional hinged joint and a unidirectional rotary hinge support node, which are connected through the rigid nodes to assemble into an inner ring small-sized reticulated shell and a mechanism, the inner ring small-sized reticulated shell and the mechanism are connected through the unidirectional hinged joint to form a hinge line, and the hinge line is connected with the support through the unidirectional rotary hinge support node so that the inner ring small-sized reticulated shell is lifted up to drive the adjacent mechanism to rise. When three hinge lines rises to a designed height, two hinge lines are cancelled, the lifted part becomes a structure, and the process is repeated until a whole structure is formed. The invention has the advantages of convenient construction, short construction period and clear and reasonable force flow and is suitable for common industrial and civil buildings, in particular large-span space structures such as exhibition centers, gymnasiums, airport terminals and the like.

The invention relates to a joint of a steel pipe concrete column and a cast-in-place reinforced concrete beam and a construction method of the joint and belongs to the technical field of building structures. The joint comprises a steel pipe column and a concrete beam and also comprises a casing pipe fixedly arranged on the steel pipe column in a sleeving manner, an upper cover plate and a lower cover plate are fixedly arranged on the casing pipe, a connecting plate is fixedly arranged on the casing pipe, and the connecting plate is located between the upper cover plate and the lower cover plate; a pre-buried plate is fixedly arranged in the concrete beam; a connecting rod vertical to the steel pipe column is arranged in the steel pipe column in a penetrating manner, two ends of the connecting rod penetrate the casing pipe, a through hole where the connecting rod penetrates is formed in the casing pipe, the connecting rod is parallel to the concrete beam, and the connecting rod is fixedly connected to the concrete beam. The connecting rod plays a role of positioning the casing pipe to prevent displacement of the casing pipe, so that the casing pipe is fixed conveniently. Meanwhile,the concrete beam and the steel pipe column are connected integrally, so that the reliability of integral connection is improved. The connecting rod is matched with the casing pipe, so that the reliability and the bearing capacity of integral connection are improved.

The invention provides a dry-hang joint for an external wall of a fabricated building and a prefabricated external wall with the dry-hang joint. The dry-hang joint comprises a pre-buried box, a hook seat and a connecting bolt which are pre-buried in a prefabricated external wall board, wherein the side surface, facing the hook seat, of the pre-buried box is open; the hook seat is connected and fastened with a pre-buried sleeve in a building main body through the connecting bolt; the hook seat penetrates through the opening in the side surface of the pre-buried box, so as to support the whole prefabricated external wall board; the building main body comprises a prefabricated beam or a shear wall. The dry-hang joint and the prefabricated external wall have the advantages that the construction procedures are simplified; the construction progress is improved; lick bricks and decorations are prevented from flaking off from the external wall board, so that the safety performance is high; the external wall board and the decorations of the external wall board can be produced integrally in a factory, so that high-altitude decoration operation of a worker is avoided; the dry-hang bonding strength of the external wall is high; the water resistance is good; the building quality is excellent.

The invention discloses a rapid installation method of a high-rise steel structure truss roof, and belongs to the technical field of high-altitude steel structure installation. A tubular steel truss structure of the high-rise steel structure truss roof is completely formed by splicing and welding steel rod pieces and joints on a ground temporary supporting frame, a steel rail is installed on a constructed concrete roof truss beam, through a double-machine-platform crane, field hoisting requirement is met, then a steel truss is hoisted to a preset elevation position, alignment is carried out, then the steel truss slides to a designed position in parallel through a traction device, and finally is assembled, welded and filled in the air at high altitude through a tower crane, and the overallinstallation of the roof steel truss is completed. According to the rapid installation method of the high-rise steel structure truss roof, installation is adapted to local conditions, overall layout can be carried out by combining on-site temporary building facilities, a large steel truss assembling and hardening site is not needed, the assembling and welding time of the whole truss is saved, manpower resources are reasonably organized, beat line production construction is adopted, the construction difficulty and safety risks generated by overall hoisting of the roof steel truss are greatly reduced, the construction period is shortened, and the construction safety is ensured.