CN211873964U - Buckling restrained steel plate shear wall and residential system with combined structure thereof - Google Patents

Abstract

The utility model belongs to the technical field of the building technique and specifically relates to a bucking restraint steel sheet shear force wall and integrated configuration house system thereof is related to. The shear wall comprises a shear wall body and a connecting piece arranged in the shear wall body; the connecting piece is fixed with the shear wall; the connecting piece is provided with a plurality of through holes along the thickness direction of the shear wall body, so that the weight of the shear wall is reduced, and the on-site turnover, the carrying and the hoisting are simple and convenient. Meanwhile, the shear wall is reasonable in stress, reliable in performance, simple and convenient to process, capable of being processed and formed in a factory, free of on-site compounding, capable of reducing on-site workload and capable of improving connection efficiency.

Description

Buckling restrained steel plate shear wall and residential system with combined structure thereof

Technical Field

The utility model belongs to the technical field of the building technique and specifically relates to a bucking restraint steel sheet shear force wall and integrated configuration house system thereof is related to.

Background

China is a country with multiple earthquake disasters, the earthquake frequency is high, the intensity is high, the distribution is wide, and all the national soils are in earthquake-resistant defense areas. Along with the rapid development of the social and economic level, the classification standard of earthquake fortification is continuously updated and improved, and after major earthquakes such as Wenchuan and Yushu, people improve the requirements on the structural safety performance, how to enable the building to have better earthquake resistance becomes a problem which is more concerned by people, the earthquake resistance design of the traditional mode is continuously optimized, and various earthquake insulation means and energy dissipation and damping performance are more and more concerned by engineering personnel.

The traditional buckling restrained steel plate shear wall adopts a common steel plate as a core lateral force resisting component and is assembled on site. However, the traditional buckling restrained steel plate shear wall has large self weight and is difficult to turn, carry and hoist, so that the field construction is difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bucking restraint steel sheet shear force wall and integrated configuration house system thereof to the steel sheet of the shear force wall that exists among the solution prior art is from great, the technical problem of construction difficulty.

In order to solve the technical problem, the utility model provides a buckling restrained steel plate shear wall, which comprises a shear wall body and a connecting piece arranged in the shear wall body; the connecting piece is fixed with the shear wall; and a plurality of through holes are formed in the connecting piece along the thickness direction of the shear wall body.

Further, the shear wall comprises an inner side plate and an outer side plate which are arranged at intervals in the thickness direction of the shear wall; the connecting pieces are a plurality of connecting pipes arranged at intervals; and two ends of the connecting pipe are respectively fixed with the inner side plate and the outer side plate.

Further, the shear wall comprises an inner side plate and an outer side plate which are arranged at intervals in the thickness direction of the shear wall; the connecting piece is a connecting plate with a honeycomb-shaped section, and two side faces of the connecting plate are respectively fixed with the inner side plate and the outer side plate.

Further, the end of the connecting piece is connected with the inner side plate and the outer side plate through connecting feet, and the connecting feet are used for increasing the connecting area of the connecting piece with the inner side plate and the outer side plate; the connecting pipe is made of fiber reinforced composite materials and is connected with the connecting pins through resin.

Further, the connecting pipe is connected with the inner side plate or the outer side plate through a reinforcing piece, the reinforcing piece comprises a cylinder body and a connecting ring connected to one end of the cylinder body, and the inner edge of the connecting ring is connected with the outer edge of the cylinder body; the cylinder body is sleeved inside the connecting pipe, and the connecting ring extends out of the connecting pipe and is fixed with the end face of the connecting pipe; the connecting ring is provided with a bonding part bonded with the inner wall of the inner side plate or the outer side plate.

Further, the shape of the connecting foot is the same as the shape of the end of the connecting piece.

Furthermore, the shear wall body is filled with heat insulation materials, and reinforcing ribs are arranged on the outer pipe wall of the connecting pipe along the circumferential direction of the outer pipe wall; the edge of one end of the reinforcing rib is flush with the edge of one end, far away from the connecting ring, of the cylinder body; the reinforcing rib is composed of a plurality of S-shaped reinforcing bars arranged at intervals.

Furthermore, mounting holes are formed in the upper end and the lower end of the shear wall body.

Further, the utility model also provides a buckling restrained steel plate shear wall's connecting method, including following step:

fixing a connecting piece provided with a plurality of through holes between the inner side plate and the outer side plate which are arranged in parallel so that the axes of the through holes are vertical to the inner side plate;

fixing two constraint wall plates at the left and right ends of the inner side plate and the outer side plate oppositely;

and fixing the two end connecting plates oppositely at the upper end and the lower end of the inner side plate and the outer side plate to form the buckling restrained steel plate shear wall.

Further, after the two constraining wall panels are oppositely fixed at the left and right ends of the inner side plate and the outer side plate, the method further comprises the following steps:

and heat insulating materials are filled between the inner side plate and the outer side plate.

Further, after the shear wall is formed, the method also comprises the following steps:

and (4) transporting the formed buckling restrained steel plate shear wall to a construction site, and fixedly connecting the buckling restrained steel plate shear wall with a steel beam through bolts.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

the utility model provides a bucking restraint steel sheet shear force wall, built-in connecting piece sets up the through-hole on the connecting piece, on the basis of realizing the buckling restrained function of shear force wall body, has alleviateed the weight of shear force wall, and on-the-spot upset, transport and hoist and mount are simple and convenient. Meanwhile, the shear wall is reasonable in stress, reliable in performance, simple and convenient to process, capable of being processed and formed in a factory, free of on-site compounding, capable of reducing on-site workload and capable of improving connection efficiency.

The third aspect, the utility model also discloses a integrated configuration house system with above-mentioned bucking restraint steel sheet shear force wall, include: the shear wall comprises a cross beam, a column body, the shear wall and a floor system;

the column body comprises a round steel pipe and a plurality of T-shaped steels; concrete is poured in the circular steel tube, the T-shaped steels are arranged at intervals along the circumferential direction of the circular steel tube, and one ends, opposite to the web plate and the flange, of the T-shaped steels are fixedly connected with the outer wall of the circular steel tube; the web of the T-shaped steel is located on the diameter extension line of the circular steel tube, and the flange is provided with a bolt hole.

Furthermore, the number of the T-shaped steel is two, and webs of the two T-shaped steel are located on the same diameter of the round steel pipe to form a straight line shape.

Furthermore, the number of the T-shaped steels is more than 3, and the T-shaped steels are uniformly distributed at intervals in the circumferential direction of the circular steel tube.

Further, the number of the T-shaped steel is two, and webs of the two T-shaped steel are perpendicular to form an L shape.

Furthermore, the number of the T-shaped steels is three, and webs of the three T-shaped steels are arranged in a T shape.

Furthermore, the number of the T-shaped steel is four, and webs of the T-shaped steel are arranged in a cross shape.

Furthermore, a first circular exhaust hole is formed in the position, close to the outer wall of the round steel pipe, of the round steel pipe along the axial direction of the round steel pipe; the diameter of the first circular vent hole is larger than or equal to 12 mm.

The utility model provides a cylinder comprises circular steel tube and a plurality of T shaped steel, and the circular steel tube concrete is located near the main bearing axle power of neutralization axle, and the advantage that full play circular steel tube concrete axle pressure mechanical properties is good, and the neutralization axle setting in the T shaped steel was kept away from, and the arm of force increases, and the bending resistance bearing capacity improves greatly to improve bending resistance mechanical properties greatly. Simultaneously, T shaped steel is located the outside and is convenient for connect, has realized beam column node, post and the vertical concatenation node full bolted connection of post, also promptly, and the cylinder all passes through bolted connection with girder steel and upper and lower post. And during connection, the steel column can be prevented from being exposed outside the wall body, and the aim of hiding the column in the wall body is fulfilled.

Further, in the horizontal projection plane, the floor comprises a floor slab arranged indoors and a cantilever slab arranged outdoors; the floor slab is connected with the cantilever slab through a cold and heat bridge prevention node; the cold and heat bridge prevention node comprises a sandwich plate, a first steel bar base plate and a second steel bar base plate;

the sandwich plate comprises a first metal panel, a second metal panel, a plurality of node connecting pieces, an annular sealing plate and a heat insulating material; the annular sealing plate is fixedly connected between the first metal panel and the second metal panel which are oppositely arranged, and surrounds the first metal panel and the second metal panel to form a sealed cavity; one end of the node connecting piece is fixedly connected with the first metal panel, the other end of the node connecting piece is fixedly connected with the second metal panel, and the node connecting piece is arranged in the sealed cavity; the heat insulation material is filled in the sealed cavity;

welding the first reinforcing steel bar base plate on the surface of one side, away from the second metal panel, of the first metal panel, and welding a plurality of floor slab reinforcing steel bars which extend towards the indoor side and enter the floor slab on the first reinforcing steel bar base plate;

the second metal panel deviates from the surface of one side of the first metal panel is welded with a second steel bar base plate, and a plurality of cantilever plate steel bars which extend to the outdoor side and enter the cantilever plate are welded on the second steel bar base plate.

The cantilever plate can be a cantilever balcony, a cantilever air-conditioning plate, a rain shielding plate and other members.

Preferably, the node connecting piece is a connecting pipe, a connecting rod, a honeycomb plate or a corrugated plate;

when the node connecting piece is a connecting pipe, heat insulation materials are filled in the connecting pipe.

Preferably, the node connectors and the annular sealing plates are made of fibre reinforced composite material or plastic. And preferably, the heat insulating material is rock wool or foamed polyurethane.

Preferably, the first metal panel is a carbon structural steel plate, a low-alloy high-strength structural steel plate or a stainless steel plate; the second metal panel is a carbon structural steel plate, a low-alloy high-strength structural steel plate or a stainless steel plate.

Preferably, the annular sealing plates comprise a bottom surface sealing plate, a first side surface sealing plate, a top surface sealing plate and a second side surface sealing plate which are sequentially connected end to end along the circumferential direction; the bottom surface sealing plate and the top surface sealing plate are oppositely arranged; the first side face sealing plate and the second side face sealing plate are arranged oppositely; the reinforcing steel bars are threaded reinforcing steel bars.

During construction, the first metal panel, the second metal panel, the plurality of node connecting pieces and the annular sealing plate are fixedly connected together, and process holes are reserved on the annular sealing plate;

respectively welding steel bar base plates on the first metal panel and the second metal panel;

welding reinforcing steel bars on each reinforcing steel bar base plate;

placing the steel bars positioned on one side of the first metal panel or the second metal panel into a template (a floor slab or a cantilever template);

binding steel bars on the steel bars in the template to form a steel bar framework;

pouring concrete into the template;

filling a heat insulating material into the sealed cavity through the fabrication hole, and extruding and compacting;

and (4) plugging the fabrication holes to form a prefabricated part with the cold and heat resistant bridge node for the floor slab.

The cold and heat bridge prevention node of the floor system structure has the characteristics of simple and convenient construction and small field workload; the heat insulation materials such as rock wool and foamed polyurethane are filled in the middle of the sandwich plate, and meanwhile, the heat insulation materials are embedded into the sealed cavity of the sandwich plate, so that the sandwich plate is prevented from forming a heat bridge, namely a bridge cut-off structure is formed between the floor slabs and the cantilever slabs on the two sides of the interior and the exterior, the heat insulation effect is good, the heat insulation materials are good in durability, and no falling risk exists; the reinforcing bar passes through the reinforcing bar backing plate and welds on metal decking to be fixed with a plurality of nodal connection pieces between metal decking, thereby make the structural strength height and the atress performance of anti cold and hot bridge node good.

Further, the device also comprises a constraint support; two ends of the constraint support are respectively and fixedly connected with the middle part of the column body and the middle part of the cross beam;

the restraint support comprises an outer restraint sleeve, an inner core, a restraint ring and a restraint rod which are all arranged in the outer restraint sleeve;

the restraint rod and the inner core are arranged along the length direction of the outer restraint sleeve, and the restraint ring is fixed with the outer restraint sleeve and sleeved outside the inner core and the restraint rod so as to fix the inner core and the restraint rod.

Further, the inner core is in a strip plate shape; the two sides of the inner core are provided with the restraint rods; or, the inner core is a long strip with a cross-shaped section, and the four cross-shaped intervals are provided with the restraint rods.

Further, the restraint ring comprises a plurality of annular restraint reinforcing steel bars sleeved outside the inner core and the restraint rods; and the annular constraint steel bars are sequentially arranged at intervals along the length direction of the constraint rod.

Further, the restraint ring is an annular restraint reinforcing steel bar spirally wound outside the inner core. Wherein, the annular restraint reinforcing bar is preferably smooth round reinforcing bar.

Further, the restraint rods are steel rods; and the steel bar is welded and fixed with the plain round steel bar.

Further, an anti-friction layer is arranged between the restraint rod and the inner core so as to reduce the frictional resistance between the restraint rod and the inner core.

Furthermore, the outer constraint sleeve is made of mortar, and a reinforcing structure is arranged in the outer constraint sleeve; the reinforcing structure is a steel wire mesh or a glass fiber mesh; the steel wire mesh or the glass fiber mesh is arranged along the circumferential direction of the outer constraint sleeve.

Furthermore, the two ends of the inner core are respectively provided with a connecting end extending out of the outer restraining sleeve; the width of the connecting end is larger than the width of the inner core in the outer constraint sleeve (the middle width of the inner core); the connecting end is provided with a mounting hole. The constraint support piece is respectively connected with the cross beam and the column body through mounting holes in the connecting end.

The utility model provides a bucking restraint is supported, about bar and about collar restraint inner core bucking, the local bucking of restriction inner core to can give full play to the performance of core, simultaneously, add man-hour only need with the restraint ring cover at inner core and about bar outside fixed can, the requirement is low, this operation does not need special mill's processing, consequently processing is simple and convenient, easily operation. The restraint rods are steel rods, the inner cores are steel cores, the restraint rings are made of round optical steel bars which are common materials, and therefore cost is low and economical efficiency is good. The outer constraint sleeve is made of mortar, so that the buckling restrained brace is prevented from being corroded, and the outer constraint sleeve is free of maintenance in the service life.

Furthermore, the flange of the T-shaped steel close to the outdoor side in the column body is an outer side flange, and the outer side flange is arranged in parallel with the wall surface of the wall body; the outer side end surface of the outer side flange is coated with an outer anticorrosive layer; and a plurality of layers of glass wool boards are laid on the outer side of the anticorrosive layer of the outer side flange and used for blocking the heat flow transmitted between the indoor side and the outdoor side of the wall body by the cylinder body as a heat bridge.

The heat bridge effect at the column is effectively eliminated, the overall heat insulation performance of the building is improved, and meanwhile, the influence of external temperature change on the outer anticorrosive coating can be effectively weakened by the plurality of layers of glass wool boards; the effective anticorrosion period of the anticorrosion layer is prolonged.

Furthermore, a flange of the T-shaped steel close to one indoor side in the column body is an inner side flange, the inner side flange is arranged in parallel with the wall surface of the wall body, and an inner anticorrosive layer is coated on the outer side surface of the inner side flange; and no thermal insulation material is laid outside the inner anti-corrosion layer of the inner flange.

Because the indoor humiture changes less, and is comparatively stable, be favorable to the inner anticorrosive coating to keep effective for a long time from this, utilize the heat bridge effect of cylinder self, and combine the cotton board of glass outside the outside edge of a wing to block the heat bridge to weaken the temperature variation fluctuation of outside edge of a wing outer anticorrosive coating department greatly, thereby prolong the effective life-span of outer anticorrosive coating more effectively, thereby improved the corrosion resisting property of cylinder on the whole.

Drawings

Fig. 1 is a front view of a metal sandwich plate structure in a buckling restrained steel plate shear wall provided by an embodiment of the present invention;

FIG. 2 is a top view of the metal sandwich plate structure shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of the metal sandwich plate structure shown in FIG. 1;

FIG. 4 is a cross-sectional view of the metal sandwich plate structure shown in FIG. 1 taken along plane A-A;

fig. 5 is a schematic structural view illustrating a connection between a metal sandwich plate structure and a steel beam according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the metal sandwich plate structure and steel beam shown in FIG. 5 taken along the plane A-A;

FIG. 7 is a cross-sectional view of the metal sandwich plate structure and steel beam shown in FIG. 5 taken along the plane B-B;

fig. 8 is a schematic structural view of a connecting pipe and a reinforcing member provided by the present invention;

FIG. 9 is a cross-sectional view of the connecting tube and stiffener shown in FIG. 8;

fig. 10 is a schematic structural view of a linear cylinder provided in embodiment 2 of the present invention;

fig. 11 is a schematic structural view of a cross-shaped column provided in embodiment 2 of the present invention;

fig. 12 is a schematic structural view of an L-shaped column provided in embodiment 2 of the present invention;

fig. 13 is a schematic structural view of a T-shaped column provided in embodiment 2 of the present invention;

fig. 14 is a schematic view of a column bridge-cut structure in embodiment 3 of the present invention;

fig. 15 is a schematic structural view of a floor system in embodiment 4 of the present invention;

fig. 16 is a schematic structural diagram of a cold and hot bridge prevention node in embodiment 4 of the present invention;

fig. 17 is a schematic structural view of the ring-shaped sealing plate according to embodiment 4 of the present invention;

FIG. 18 is a schematic view showing the layout of the constraining supports in example 5;

FIG. 19 is a cross-sectional view AA in FIG. 18;

FIG. 20 is a side view of a cruciform inner core 62 of example 5;

fig. 21 is a cross-sectional view of FF in fig. 19.

Detailed Description

The present invention will be further explained with reference to specific embodiments.

Example 1

As shown in fig. 1 to 9, the buckling restrained steel plate shear wall provided by this embodiment includes a shear wall body and a connecting member disposed in the shear wall body; the connecting piece is fixed with the wall body; a plurality of through holes are formed in the connecting piece in the thickness direction of the shear wall body. The utility model discloses a set up the connecting piece in the shear force wall body, set up the through-hole on the connecting piece, on the basis of realizing shear force wall body buckling restrained function, alleviateed the weight of shear force wall, on-the-spot upset, transport and hoist and mount are simple and convenient. Meanwhile, the shear wall is reasonable in stress, reliable in performance, simple and convenient to process, capable of being processed and formed in a factory, free of on-site compounding, capable of reducing on-site workload and capable of improving connection efficiency.

Specifically, the shear wall comprises a metal sandwich plate structure, a side plate and an end connecting plate 7, wherein the metal sandwich plate structure comprises two layers of metal panels and a connecting piece positioned between the two layers of metal panels. The connection form of the two layers of metal panels and the connecting piece is the same as that of the sandwich, so the sandwich panel structure is named. The metal panel material can be carbon structural steel plate, low-alloy high-strength structural steel plate and stainless steel plate, so that a double-steel-plate shear wall structure is formed; the structure of the connecting piece can be tubular, honeycomb, corrugated and the like; the connecting piece can be made of stainless steel, fiber reinforced composite materials, plastics and the like. The two layers of metal panels and the connecting piece can be connected by bonding, hot melting, bonding and other modes.

As shown in fig. 1 to 3, on the basis of the above embodiment, further, the shear wall body includes an inner side plate 1 and an outer side plate 2 which are arranged at intervals in the thickness direction thereof; the connecting piece is a plurality of connecting pipes 3 arranged at intervals; the two ends of the connecting pipe 3 are respectively fixed with the inner side plate 1 and the outer side plate 2. The connecting pipe 3 has simple structure, can be selected from factory finished products, has low cost and is convenient to connect. The inner side plate 1 and the outer side plate 2 are steel plates.

On the basis of the above embodiment, further, the shear wall body includes an inner side plate 1 and an outer side plate 2 which are arranged at intervals in the thickness direction; the connecting piece is a connecting plate with a honeycomb-shaped section, and two side faces of the connecting plate are respectively fixed with the inner side plate 1 and the outer side plate 2. The honeycomb-shaped connecting plate can be integrally processed and formed and then connected with the shear wall, so that the connecting efficiency is improved.

As shown in fig. 4, in addition to the above embodiment, the end of the connecting member is connected to the inner panel 1 and the outer panel 2 by the connecting leg 4, the connecting leg 4 is used to increase the connecting area between the connecting member and the inner panel 1 and the outer panel 2, and the connecting tube 3 is made of a fiber-reinforced composite material and is connected to the connecting leg 4 by resin. The connecting feet 4 can increase the connecting area between the connecting piece and the shear wall, namely, the connecting area between the inner side plate 1 and the outer side plate 2 at the two ends of the connecting piece is increased, so that the connecting strength is improved.

The connecting feet 4 can be in various structural forms as long as the connecting area between the connecting feet 4 and the connecting piece is smaller than the connecting area between the connecting feet and the inner and outer side plates 2.

As shown in fig. 4 and 7, in addition to the above-described embodiment, the shape of the connection leg 4 is the same as the shape of the end of the connection piece. That is, when the connector is the connection tube 3, the connection leg 4 has a ring shape. When the connecting piece is a honeycomb connecting plate, the connecting feet 4 are also honeycomb. The connecting piece (connecting pipe 3 or honeycomb connecting plate) just matches with connecting 4 shapes of foot like this, and simultaneously, the area of being connected of connecting piece and interior outer panel 2 is greater than its area of being connected with the connecting piece to improve the joint strength of interior outer panel. Such connecting feet 4 are regular in shape and easy to process.

As shown in fig. 8 and 9, further, the connecting pipe 3 is connected with the inner side plate 1 or the outer side plate 2 through a reinforcement 9, the reinforcement 9 comprises a cylinder 11 and a connecting ring 10 connected at one end of the cylinder 11, and the inner edge of the connecting ring 10 is connected with the outer edge of the cylinder 11; the cylinder body 11 is sleeved inside the connecting pipe 3, and the connecting ring 10 extends out of the connecting pipe 3 and is fixed with the end face of the connecting pipe 3; the connection ring 10 is provided with a bonding portion to be bonded to the inner wall of the inner panel 1 or the outer panel 2. The inner side plate or the outer side plate is fixed with the connecting pipe through the reinforcing part, the cylinder body and the connecting ring are connected into an L shape, so that the connecting pipe 3 is fixed firmly on the reinforcing part 9, and the bonding part of the connecting ring 10 is bonded with the inner side plate 1 or the outer side plate 2, so that the connecting strength of the connecting pipe 3 and the inner side plate or the outer side plate is greatly improved. Meanwhile, the connecting cylinder can limit the buckling of the connecting pipe, so that the buckling-restrained performance is improved. The bonding part can ensure that the connecting positions of the connecting ring and the wall body are all at preset positions, and a constructor can bond according to the position of the bonding part, so that the accuracy of the bonding position is ensured.

As shown in fig. 8 and 9, in addition to the above embodiment, the shear wall is further filled with a heat insulating material, and the outer wall of the connecting pipe 3 is provided with reinforcing ribs along the circumferential direction thereof; the edge of one end of the reinforcing rib is flush with the edge of one end of the cylinder body 11 far away from the connecting ring 10; the reinforcing rib is composed of a plurality of S-shaped reinforcing bars 8 arranged at intervals. The stiffening rib is at longitudinal direction and 11 parallel and level of barrel for connecting pipe 3 is strengthened greatly at the ascending intensity in the axial, and simultaneously, thermal insulation material fills the wall body in the back, gets into S type stiffener 8, and thermal insulation material between two adjacent stiffeners 8 can further strengthen the ascending intensity of connecting pipe in the axial, also is favorable to thermal insulation material to pack closely knit in the wall body. The heat insulating material can be rock wool, foamed polyurethane and other materials, and improves the heat insulating and sound insulating properties of the shear wall.

Preferably, the radius of the curve of the lower half of the S-shaped reinforcing strip is 1.4 times the radius of the curve of the upper half, so that the axial strength of the connecting pipe is maximized.

On the basis of the above embodiment, further, the upper and lower ends of the shear wall body are provided with mounting holes. The mounting holes can be bolt holes, and the shear wall is fixedly connected with the steel beam 6 through the mounting holes at the upper end and the lower end, so that the mounting is convenient. Preferably, the shear wall is connected to the steel beam 6 by high-strength bolts.

On the basis of the above embodiment, further, the utility model discloses still provide a buckling restrained steel sheet shear force wall's connecting method, include following step:

fixing a connecting piece provided with a plurality of through holes between an inner side plate 1 and an outer side plate 2 which are arranged in parallel so that the axes of the through holes are vertical to the inner side plate;

fixing two constraint wall plates 5 at the left and right ends of the inner side plate 1 and the outer side plate 2 oppositely;

and fixing two end connecting plates 7 at the upper end and the lower end of the inner side plate 1 and the outer side plate 2 oppositely to form the buckling restrained steel plate shear wall.

Wherein, the inner and outer side plates 2, the restraint wall plate 5 and the end connecting plate 7 are all steel plates.

As shown in fig. 5 and 6, after the above process is finished in a factory, the formed buckling restrained steel plate shear wall is transported to a construction site and fixedly connected with the steel beam 6 through bolts. Preferably, the shear wall is connected to the steel beam 6 by high-strength bolts. The mode does not need to be compounded on site, and the processing is simple and convenient.

On the basis of the above embodiment, the connecting piece, the inner side plate 1, the outer side plate 2, the restraint wall plate 5 and the end connecting plate 7 are further fixed by bonding, so that the connecting strength of the connecting part is enhanced.

As a preferred embodiment, the utility model provides a method for connecting shear wall includes the following steps:

processing a metal sandwich plate structure, and bonding a constraint steel plate (namely a constraint wallboard 5) on the left side and the right side of the metal sandwich plate structure;

filling rock wool in the metal sandwich plate structure, and extruding and compacting;

bonding a steel plate and a stiffening steel plate at the upper end and the lower end of the metal sandwich plate structure, wherein the steel plate is provided with a bolt hole;

after being transported to the site, the steel beam 6 is connected with the steel beam through high-strength bolts.

By the method, the shear wall is machined, unnecessary and redundant steps are removed, the field installation and construction are simple and convenient, and the efficiency is improved.

In conclusion, the buckling restrained steel plate shear wall and the connection method thereof have the advantages of good stress performance, good heat preservation and sound insulation performance, simplicity and convenience in construction, high assembly degree and the like, can be used as building energy consumption components, and have wide application prospects.

Example 2

The embodiment discloses a combined structure residential system with a buckling restrained steel plate shear wall in embodiment 1, which comprises: the shear wall comprises a cross beam, a column body, the shear wall and a floor system;

as shown in fig. 10 to 13, the present embodiment provides a column body 30, which includes a circular steel tube 31 and 2 to 4T-shaped steels 32; concrete 33 is poured in the circular steel tube 31, the T-shaped steels 32 are arranged at intervals along the circumferential direction of the circular steel tube 31, and one ends, opposite to the web plate and the flange of the T-shaped steel 32, are fixedly connected with the outer wall of the circular steel tube 31; the web 32b of the T-section steel 32 is located on the diameter extension line of the circular steel tube 31, and the flange 32a is provided with bolt holes.

Wherein, a plurality of T shaped steel 32 lay the mode various, as shown in fig. 10, T shaped steel 32 is two, and the web of two T shaped steel 32 is located the same diameter of circular steel tube 31 in order to form a font. As shown in FIG. 12, the T-section steel 32 is two, and the webs of the two T-section steels 32 are perpendicular to form an L-shape. As shown in FIG. 13, there are three T-shaped steels 32, and the webs of the three T-shaped steels 32 are arranged in a T shape. As shown in FIG. 11, the T-section 32 is four, and the webs of the four T-section 32 are arranged in a cross shape.

The utility model provides a cylinder 30 comprises circular steel tube 31 and a plurality of T shaped steel 32, and circular steel tube 31 concrete is located near the main axle power that bears of neutralization axle, and the good advantage of full play circular steel tube 31 concrete axle pressure mechanical properties, neutralization axle setting are kept away from to T shaped steel 32, and the arm of force increases, and the bending resistance bearing capacity improves greatly to improve bending resistance mechanical properties greatly. Meanwhile, the T-shaped steel 32 is located on the outer side and convenient to connect, and achieves full-bolt connection of beam-column joints, columns and column vertical splicing joints, namely, the column body 30 is connected with the steel beam and the upper and lower columns through bolts. And during connection, the steel column can be prevented from being exposed outside the wall body, and the aim of hiding the column in the wall body is fulfilled. The node structure is simple, the node plates do not extend into the circular steel tube 31, and the concrete pouring quality is easy to guarantee. Furthermore, the utility model discloses cylinder 30 adopts finished product section bar processing such as hot rolling section bar and the circular steel pipe of clod wash, and processing is simple, but automated production, low in production cost.

In the above solution, preferably, the circular steel tube 31 is provided with a first circular exhaust hole (not shown) on the side wall or both ends; the diameter of the first circular vent hole is larger than or equal to 12 mm. When meeting with the conflagration, first circular exhaust hole is used for discharging the vapor in the concrete in the circular steel tube 31, prevents the circular steel tube 31 expansion crack.

Example 3

This embodiment is substantially the same as embodiment 2 except that:

as shown in fig. 14, the column 30 is embedded in the wall S4; the flange of the T-shaped steel close to the outdoor side in the column 30 is an outer side flange 3a, and the outer side flange 3a is arranged in parallel with the wall surface of the wall body S4; the outer side end face of the outer flange 3a is coated with an outer anticorrosive layer (not shown); and a plurality of layers of glass wool boards S10 are laid on the outer sides of the anti-corrosion layers of the outer side flanges and used for blocking the heat flow transmitted between the indoor and outdoor sides of the wall body by the column body 30 as a heat bridge.

The heat bridge effect at the position of the column 30 is effectively eliminated, the overall heat insulation performance of the building is improved, and meanwhile, the influence of external temperature change on the outer anticorrosive coating can be effectively weakened through the plurality of layers of glass wool boards S10; the effective anticorrosion period of the anticorrosion layer is prolonged.

In a projection plane parallel to wall S4, the breadth of glass wool panel S10 is sized to not cover the entire wall S4, and the breadth of glass wool panel S10 covers only all or a portion of column 30. Different from whole heated board or the heat preservation that sets up in the wall body outside, the utility model discloses the aim at that well cotton board set up blocks the heat bridge of cylinder department, solves the heat-conduction problem of the local department of cylinder.

The utility model discloses the thermal-insulated effect that keeps warm is showing, and is with low costs, can effectively reduce the heat transfer that the cylinder brought as the heat bridge, and the heat flux of eliminating cylinder department wall body S4 indoor and outdoor both sides is concentrated, has increased substantially wall body S4' S heat-proof quality, and wall body S4 that makes can satisfy 75% energy-conservation of residential architecture, reach the coefficient of heat transfer<0.45W/(m²K) green energy saving design requirements.

And, on the projection plane parallel to the wall body S4, the left and right side ends of the glass wool board S10 are arranged to protrude out of the outer flange 3a and are embedded on the wall body S4. The glass wool board S10 properly extends on the left and right sides of the outer flange 3a, so that the blocking performance of heat transfer of the column heat bridge is further improved, and the heat insulation performance of the wall body S4 is improved. The glass wool board S10 is embedded into the wall body S4, so that the phenomena of edge rising, bulging and the like are not easy to occur, and the installation is firmer.

In the embodiment, 2 layers of glass wool boards are arranged on the outdoor side of the column in the thickness direction of the wall body S4; the adjacent two glass wool panels comprise an inner glass wool panel S11 adjacent the column and an outer glass wool panel S12 remote from the column. On a projection plane parallel to the wall S4, the left side and the right side of the outer glass wool board S12 are arranged to protrude out of the inner glass wool board S11; on the horizontal section of the wall body S4, 2 layers of glass wool boards are respectively embedded on the wall body S4 in an inverted pyramid type (step shape).

On the horizontal section of the wall body S4, a plurality of layers of glass wool boards are arranged in a (inverted pyramid) step shape. The heat transfer efficiency of the column is normally distributed, the heat transfer amount of the central area facing the column is the most intensive, and is the column heat bridge area, while the heat transfer amounts of the left side and the right side are gradually reduced, and are respectively the heat bridge influence areas, wherein the length of the arrow in fig. 14 reflects the heat transfer amount. The glass wool boards are arranged on one side of the cylinder in an inverted pyramid mode, and the transmission rule that heat is normally distributed in a heat bridge is more met, so that heat scattering on two sides of the cylinder can be blocked while heat transfer on the front side of the cylinder can be effectively blocked.

And the plurality of layers of glass wool boards are arranged in an inverted pyramid manner, and the left side and the right side of each glass wool board can be embedded with the wall S4, so that the glass wool boards can be prevented from warping and bulging in the building life of decades after being installed. On the premise of ensuring that the building energy-saving design standard is met, the building energy-saving cost is reduced. The utility model discloses can extensively be used for steel frame construction external wall insulation field.

While single-layer glass wool panels require an increase in the thickness of the glass wool panel if the same thermal bridge blocking effect is achieved, excessively thick glass wool panels are often non-standard and require custom-made by the manufacturer, thereby increasing construction costs. In addition, the excessively thick glass wool board is inconvenient to install due to being excessively heavy, and is easy to fall off after installation. And when the single-layer glass wool board meets the heat insulation effect of the heat bridge column region, the condition that heat insulation measures are excessive exists in the corresponding region of the heat bridge influence region, and material waste exists.

And this application can adopt 2-6 layers of conventional glass cotton board according to the design requirement in a flexible way, and every layer of glass cotton board thickness greatly reduced, the installation of being convenient for, the cotton board of installation back glass is difficult for droing, and is more firm. In addition, excessive waste of materials does not exist, so that the method belongs to a green and energy-saving construction method.

In the above embodiment, it is more preferable that the number of the glass wool boards is 3 to 4, and the width of the outer flange 3a and the width of the 3 to 4 glass wool boards are sequentially arranged in an equal ratio series, wherein the ratio range is preferably 1.6 to 2. Taking 3 layers of glass wool boards as an example, the width of the inner layer of glass wool board is 1.6-2 times of the width of the outer flange 3a, the width of the middle layer of glass wool board is 1.6-2 times of the width of the inner layer of glass wool board, and the width of the outer layer of glass wool board is 1.6-2 times of the width of the middle layer of glass wool board.

Wherein, the inner glass wool board S11 is laid on the outer side surface of the outer flange 3a and the wall body S4 by using adhesive. The outer glass wool board S12 is coated on the inner glass wool board S11 and the wall S4 by using an adhesive 5.

In addition, a connecting anchor bolt is arranged between the wall S4 and the glass wool board S10, and the glass wool board is further fastened by the connecting anchor bolt after being adhered to the wall through adhesive. The glass wool board is fixed by adopting two modes of an adhesive and an anchor bolt, so that the integral performance of the heat-insulating layer and the wall body is ensured.

In the present embodiment, it is more preferable that the flange of the T-section steel near the indoor side in the column 30 is an inner flange 3b, the inner flange 3b is arranged parallel to the wall surface of the wall body, and the outer end surface of the inner flange 3b is coated with an inner anticorrosive coating; and no thermal insulation material is laid outside the inner anti-corrosion layer of the inner flange 3 b.

Because the indoor humiture changes less, and is comparatively stable, be favorable to the inner anticorrosive coating to keep effective for a long time from this, utilize the heat bridge effect of cylinder self, and combine the cotton board of glass outside the outside edge of a wing to block the heat bridge to weaken the temperature variation fluctuation of outside edge of a wing 3a outer anticorrosive coating department greatly, thereby prolong the effective life-span of outer anticorrosive coating more effectively, thereby improved the corrosion resisting property of cylinder on the whole.

Example 4

The embodiment discloses a combined structure building, which is basically the same as the embodiment 2, except that:

as shown in fig. 15, in the horizontal projection plane, the floor 50 of the composite structure building includes a floor 51 disposed indoors and a cantilever 52 disposed outdoors; the floor slab 51 and the cantilever slab 52 are connected through a cold and heat bridge prevention node 53.

As shown in fig. 16 and 17, the cold and hot bridge preventing node 53 includes a sandwich plate, a first steel shim plate 53c and a second steel shim plate 53 d; the sandwich panel includes a first metal panel 53a, a second metal panel 53b, a plurality of node connectors 56, an annular sealing plate 54, and a thermal insulation material 55 (i.e., a heat insulating material); the annular closing plate 54 is fixedly connected between the first metal panel 53a and the second metal panel 53b which are oppositely arranged, and surrounds the first metal panel 53a and the second metal panel 53b to form a sealed cavity; one end of the node connecting piece 56 is fixedly connected with the first metal panel 53a, and the other end is fixedly connected with the second metal panel 53b, and is arranged in the sealed cavity; the heat insulation material is filled in the sealed cavity.

A first steel bar cushion plate 53c is welded on the surface of one side, away from the second metal panel 53b, of the first metal panel 53a, and a plurality of floor slab steel bars 53e which extend towards the indoor side and enter the floor slab are welded on the first steel bar cushion plate 53 c; the floor slab steel bars 53e are lapped or welded with the steel bar framework in the floor slab.

The surfaces of the second metal panels 53b, which are away from the first metal panels 53a, are welded with second steel bar cushion plates 53d, and the second steel bar cushion plates 53d are welded with a plurality of cantilever steel bars 53f which extend to the outdoor side and enter the cantilever plates. The cantilever plate steel bars 53f are lapped or welded with the steel bar framework in the cantilever plate. The cantilever plate can be a cantilever balcony, a cantilever air-conditioning plate, a rain shielding plate and other members.

Preferably, the node connecting members 56 are connecting pipes, connecting rods, honeycomb plates or corrugated plates; when the node connection 56 is a connection pipe, the connection pipe is filled with an insulation material. More preferably, node connectors 56 and annular closure plate 54 are formed from a fiber reinforced composite material or plastic. Wherein the heat insulating material is rock wool or foamed polyurethane.

In the above technical solution, preferably, the first metal panel 53a is a carbon structural steel plate, a low-alloy high-strength structural steel plate, or a stainless steel plate; the second metal panel 53b is a carbon structural steel plate, a low-alloy high-strength structural steel plate, or a stainless steel plate.

The annular sealing plates 54 comprise a bottom surface sealing plate, a first side surface sealing plate, a top surface sealing plate and a second side surface sealing plate which are sequentially connected end to end along the circumferential direction; the bottom surface sealing plate and the top surface sealing plate are oppositely arranged; the first side shrouding and second side shrouding set up relatively.

During construction, the first metal panel 53a, the second metal panel 53b, the node connecting piece 56 and the annular sealing plate 54 are fixedly connected together, and a fabrication hole is reserved on the annular sealing plate 54; welding reinforcing steel bar backing plates on the first metal panel 53a and the second metal panel 53b respectively; welding reinforcing steel bars on each reinforcing steel bar base plate; placing the steel bar positioned on one side of the first metal panel 53a or the second metal panel 53b into a formwork (a floor slab or a cantilever formwork); binding steel bars on the steel bars in the template to form a steel bar framework; pouring concrete into the template; filling a heat insulating material into the sealed cavity through the fabrication hole, and extruding and compacting; and (4) plugging the fabrication holes to form a prefabricated part with a cold and heat resistant bridge joint 53 for the floor slab.

The cold and heat bridge prevention node 53 of the floor system structure of the utility model has the characteristics of simple and convenient construction and small field workload; the heat insulation materials such as rock wool and foamed polyurethane are filled in the middle of the sandwich plate, and meanwhile, the heat insulation materials are embedded into the sealed cavity of the sandwich plate, so that the sandwich plate is prevented from forming a heat bridge, namely a bridge cut-off structure is formed between the floor slabs and the cantilever slabs on the two sides of the interior and the exterior, the heat insulation effect is good, the heat insulation materials are good in durability, and no falling risk exists; the reinforcing bar passes through the reinforcing bar backing plate and welds on the metal decking to be fixed with a plurality of nodal connection 56 between the metal decking, thereby make cold-proof hot bridge node 53's structural strength high and the atress performance good.

Example 5

The embodiment discloses a combined structure building, which is basically the same as the embodiment 4 or 5, except that:

as shown in fig. 18, the composite structural building includes a restraining support 60; the two ends of the constraint support 60 are fixedly connected with the middle part of the column and the middle part of the beam respectively.

As shown in FIG. 19, the constraining support 60 comprises an outer constraining sheath 61, and an inner core 62, a constraining ring 63, and a constraining rod 64 all disposed within the outer constraining sheath.

The restraining rod 64 and the inner core 62 are both arranged along the length direction of the outer restraining sleeve, and the restraining ring 63 is fixed with the outer restraining sleeve and sleeved outside the inner core 62 and the restraining rod 64 so as to fix the inner core 62 and the restraining rod 64.

As shown in fig. 19, the core 62 has a long plate shape; both sides of the inner core 62 are provided with restraining rods 64; alternatively, as shown in fig. 20, the inner core 62 is a long strip with a cross-shaped cross section, and the four cross-shaped intervals are provided with the restraint rods 64.

Wherein, the restraint ring 63 comprises a plurality of annular restraint steel bars sleeved outside the inner core 62 and the restraint rods 64; the plurality of annular restraining bars are sequentially arranged at intervals along the length direction of the restraining bar 64. In addition, the restraining ring 63 may also be an annular restraining bar that is helically wound around the inner core 62. Wherein, annular restraint reinforcing bar is preferred plain round reinforcing bar. The restraining bar 64 is preferably a steel bar; and the steel bar is welded and fixed with the plain round steel bar. An anti-friction layer is disposed between the restraining bar 64 and the inner core 62 to reduce the frictional resistance between the restraining bar 64 and the inner core 62.

As shown in fig. 21, the outer restraining sleeve 61 includes a mortar layer 61a, and a reinforcing structure is provided in the mortar layer 61 a; the reinforcing structure is a steel wire mesh 61b (or glass fiber net); the steel wire mesh is arranged along the circumferential direction of the outer constraint casing.

As shown in fig. 18, both ends of the inner core 62 are respectively provided with a connection end 65 extending out of the outer restraining sleeve; the width of the connecting end is greater than the width of the inner core 62 of the outer constraining sheath (the middle width of the inner core 62); the connecting end is provided with a mounting hole. The constraint support piece is respectively connected with the cross beam and the column body through the mounting hole on the connecting end.

The utility model provides a bucking restraint is supported, restraint pole 64 and restraint ring 63 restrain the buckling of inner core 62, and the local buckling of restriction inner core 62 to can give full play to the performance of core, simultaneously, add man-hour only need with restraint ring 63 cover at inner core 62 and restraint pole 64 external fixed can, the requirement is low, this operation does not need special mill's processing, consequently processing is simple and convenient, easily operates. The restraint rods 64 are steel rods, the inner core 62 is steel core, the restraint rings 63 are made of smooth steel bars which are common materials, and therefore cost is low and economical efficiency is good. The outer constraint sleeve is made of mortar, so that the buckling restrained brace is prevented from being corroded, and the outer constraint sleeve is free of maintenance in the service life.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The buckling restrained steel plate shear wall is characterized by comprising a shear wall body and a connecting piece arranged in the shear wall body;

the connecting piece is fixed with the shear wall; and a plurality of through holes are formed in the connecting piece along the thickness direction of the shear wall body.

2. The buckling-restrained steel plate shear wall of claim 1, wherein the shear wall body comprises inner and outer side plates spaced apart along a thickness direction thereof; the connecting pieces are a plurality of connecting pipes arranged at intervals; and two ends of the connecting pipe are respectively fixed with the inner side plate and the outer side plate.

3. The buckling-restrained steel plate shear wall of claim 1, wherein the shear wall body comprises inner and outer side plates spaced apart along a thickness direction thereof; the connecting piece is a connecting plate with a honeycomb-shaped section, and two side faces of the connecting plate are respectively fixed with the inner side plate and the outer side plate.

4. The buckling-restrained steel plate shear wall of claim 2, wherein ends of the connectors are connected to the inner side plate and the outer side plate by connection feet for increasing the connection area of the connectors to the inner side plate and the outer side plate; the connecting pipe is made of fiber reinforced composite materials and is connected with the connecting pins through resin.

5. The buckling-restrained steel plate shear wall of claim 2, wherein the connecting tube is connected to the inner side plate or the outer side plate through a reinforcement, the reinforcement comprises a cylinder and a connecting ring connected to one end of the cylinder, and an inner edge of the connecting ring is connected to an outer edge of the cylinder; the cylinder body is sleeved inside the connecting pipe, and the connecting ring extends out of the connecting pipe and is fixed with the end face of the connecting pipe; the connecting ring is provided with a bonding part bonded with the inner wall of the inner side plate or the outer side plate.

6. The buckling-restrained steel plate shear wall of claim 4, wherein the connection feet are the same shape as the connection member ends.

7. The buckling-restrained steel plate shear wall of claim 5, wherein the shear wall body is filled with a thermal insulation material;

reinforcing ribs are arranged on the outer pipe wall of the connecting pipe along the circumferential direction of the connecting pipe; the edge of one end of the reinforcing rib is flush with the edge of one end, far away from the connecting ring, of the cylinder body; the reinforcing rib is composed of a plurality of S-shaped reinforcing bars arranged at intervals.

8. The buckling-restrained steel plate shear wall of claim 1, wherein mounting holes are formed in the upper end and the lower end of the shear wall body.

9. A modular construction housing system with a buckling restrained steel plate shear wall as claimed in any one of claims 1 to 8, comprising: the shear wall comprises a cross beam, a column body, the shear wall and a floor system;

the column body comprises a round steel pipe and a plurality of T-shaped steels; concrete is poured in the circular steel tube, the T-shaped steels are arranged at intervals along the circumferential direction of the circular steel tube, and one ends, opposite to the web plate and the flange, of the T-shaped steels are fixedly connected with the outer wall of the circular steel tube; the web of the T-shaped steel is located on the diameter extension line of the circular steel tube, and the flange is provided with a bolt hole.

10. The modular construction housing system according to claim 9, wherein said round steel pipe is provided with a first circular vent hole along its axial direction at a position near its outer wall; the diameter of the first circular vent hole is larger than or equal to 12 mm.

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