CN211873548U - Combined column and combined structure building thereof - Google Patents

Abstract

The utility model belongs to the technical field of the building technique and specifically relates to a combination post and integrated configuration building thereof is related to. The combined column comprises a round steel pipe and a plurality of T-shaped steels; concrete is poured in the round steel pipe, and the plurality of T-shaped steels are arranged at intervals along the circumferential direction of the round steel pipe; the web of the T-shaped steel is positioned on the diameter extension line of the circular steel tube, and the flange is provided with a bolt hole. The round steel tube concrete is located near the neutralizing shaft and mainly bears the axial force, the advantage that the round steel tube concrete axial compression mechanical property is good is fully exerted, the T-shaped steel is far away from the neutralizing shaft, the force arm is increased, the bending resistance bearing capacity is greatly improved, and therefore the bending resistance mechanical property is greatly improved. Meanwhile, the T-shaped steel is located on the outer side and convenient to connect, full bolt connection of beam column joints, columns and column vertical splicing joints is achieved, steel columns can be prevented from being exposed out of the wall body during connection, and the purpose that the columns are hidden in the wall body is achieved. Furthermore, the utility model discloses combination post processing is simple, but automated production, low in production cost.

Description

Combined column and combined structure building thereof

Technical Field

The utility model belongs to the technical field of the building technique and specifically relates to a combination post and integrated configuration building thereof is related to.

Background

The assembly type building is the direction of transformation and upgrading in the building industry and is a new rising sun industry which is vigorously popularized in the current country. The assembled steel structure house is a novel building form which is greatly tried in China at present, however, a suitable assembled steel structure house structure system, particularly a vertical bearing component form is not available at present, and the assembled steel structure house structure system is not suitable for directly moving the structure system applied to a multi-storey, high-rise and super high-rise building. The residential building has the functional characteristics of complex functions, high use requirement (such as no exposed beam columns), high safety requirement, high energy-saving, heat-insulating, sound-insulating and fire-proof requirements, high maintenance difficulty in the use period and the like. Meanwhile, the residential building has the market characteristics of large quantity, wide range, huge construction amount, sensitive cost, and the market is composed of commodity houses dominated by developers and guarantee houses dominated by governments.

At present, vertical bearing components commonly adopted comprise rectangular steel tube concrete columns, H-shaped steel columns, circular steel tube concrete columns and the like. The rectangular steel tube concrete column has the advantages of high bending resistance bearing capacity, high rigidity and convenience in construction, but has the defects that partition plates in node areas are protruded, building treatment is difficult, nodes of closed sections are difficult to connect, full-bolt connection is difficult to realize, the rectangular steel tube concrete column protrudes indoors, use is influenced, the rectangular steel tube is welded by four steel plates, and the production efficiency is low; the hot-rolled H-shaped steel column has the advantages of industrial batch production, simple and convenient processing, stable and reliable quality, convenient connection and the like, but also has the defects of poor stress performance, inconsistent strong and weak shaft performance, stable control of bearing capacity by winding a weak shaft during compression, large steel consumption and the like; the circular steel tube concrete column has the advantages of high axial pressure bearing capacity, high rigidity, good ductility, convenient construction and the like, but also has the defects and disadvantages of low bending resistance bearing capacity, inconvenient node connection, difficult processing of buildings and the like.

Rectangular steel pipe concrete column, hot rolling H shaped steel post, round steel pipe concrete column all have some defects and not enough, to assembled steel construction residential building, still lack comparatively ideal vertical bearing member form at present, can realize special-shaped cross section post simultaneously so that hide the post in the wall, the atress performance is good, economize with the steel volume, the processing cost is low, the node is connected conveniently, the quality is easily guaranteed and the combined cost is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination post and integrated configuration building thereof to solve the round steel shape post bending resistance bearing capacity that exists among the prior art and hang down, the inconvenient technical problem of nodal connection.

In order to solve the technical problem, the utility model provides a combined column, which 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 combination column comprises circular steel tube and a plurality of T shaped steel, and near the circular steel tube concrete position in and the axle mainly bears the axial force, the good advantage of full play circular steel tube concrete axial compression mechanical properties, and the axle setting is kept away from to T shaped steel, 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 combination post and girder steel and upper and lower post all pass through bolted connection. 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 round steel pipes, and the concrete pouring quality is easy to guarantee. Furthermore, the utility model discloses the combination post 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 a second aspect, the utility model also discloses a integrated configuration building with above-mentioned combination post, include: the beam, the combined column, the shear wall and the floor system;

the shear wall comprises a wall body and a wall body connecting piece arranged in the wall body; the wall body comprises an inner side plate and an outer side plate which are arranged at intervals along the thickness direction of the wall body;

a plurality of through holes are formed in the wall connecting piece along the thickness direction of the wall; two ends of the wall connecting piece are respectively fixedly connected with the inner side plate and the outer side plate; and the wall connecting piece is made of fiber reinforced composite materials, and the wall is filled with heat insulation materials.

The utility model discloses integrated configuration building sets up wall connection spare in the shear force wall body, sets up the through-hole on the wall connection spare, on the basis of realizing shear force wall body buckling restrained function, has alleviateed the weight of shear force wall, and the on-the-spot upset of being convenient for, 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. And the wall connecting piece is made of fiber reinforced composite materials, and the wall is filled with heat insulation materials, so that the heat insulation performance of the wall and the whole building is further improved.

Furthermore, the wall connecting piece is a plurality of connecting pipes arranged at intervals or a connecting plate with a honeycomb-shaped section.

Furthermore, the end of the wall 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 wall connecting piece with the inner side plate and the outer side plate. And the wall connecting piece is bonded with the connecting foot by using resin.

Further, the connecting pipe is connected with the inner side plate or the outer side plate through a reinforcing piece, and the reinforcing piece comprises a cylinder body and a connecting ring which are arranged in an L shape; the inner edge of the connecting ring is connected with the outer edge of the barrel; 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.

Therefore, the connecting strength of the connecting pipe 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.

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; the two ends of the constraint support are respectively and fixedly connected with the middle part of the combined column 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. And the constraint support piece is respectively connected with the cross beam and the combined column through mounting holes on the connecting ends.

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 combined column 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 sides of the anti-corrosion layers of the outer side flanges and used for blocking the combined columns as heat bridges to transfer heat flow between the indoor side and the outdoor side of the wall body.

The heat bridge effect at the combined 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, the flange of the T-shaped steel close to one indoor side in the combined column is an inner side flange, the inner side flange is arranged in parallel with the wall surface of the wall body, and the outer side surface of the inner side flange is coated with an inner anticorrosive coating; and no thermal insulation material is laid outside the inner anti-corrosion layer of the inner flange.

Because the indoor humiture changes little, and is comparatively stable, is favorable to the inner anticorrosive coating to keep effective for a long time from this, utilizes the heat bridge effect of combination post self, and combines the outer glass wool board of 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 of outer anticorrosive coating more effectively, thereby improved the corrosion resisting property of combination post on the whole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a linear combination column provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a cross-shaped combination column provided in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an L-shaped combination column provided in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a T-shaped combination column provided in embodiment 1 of the present invention;

fig. 5 is a schematic view of a bridge cut-off structure of a combined column in embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a cross beam in embodiment 3 of the present invention;

fig. 7 is a side sectional view of a cross beam in embodiment 3 of the present invention;

fig. 8 is a schematic structural view of a shear wall in embodiment 4 of the present invention;

fig. 9 is a schematic structural view of a floor in embodiment 5 of the present invention;

fig. 10 is a schematic structural view of a cold and hot bridge prevention node in embodiment 5 of the present invention;

fig. 11 is a schematic structural view of the ring-shaped sealing plate in embodiment 5 of the present invention;

FIG. 12 is a schematic view of the layout of the constraining support in example 6;

FIG. 13 is a cross-sectional view AA in FIG. 12;

FIG. 14 is a side view of a cruciform inner core 62 of example 6;

fig. 15 is a cross-sectional view of FF in fig. 13.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 4, the present embodiment provides a combination column 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. 1, 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. 3, 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. 4, 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. 2, 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 combination column 30 comprises circular steel tube 31 and a plurality of T shaped steel 32, and near circular steel tube 31 concrete is located and mainly bears the axial force with the axle, and the good advantage of full play circular steel tube 31 concrete axial compression mechanical properties, T shaped steel 32 keep away from the setting of neutralizing the axle, 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 full bolt connection of beam column joints, columns and column vertical splicing joints is achieved, namely, the combined column 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 combination post 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 2

The embodiment discloses a integrated configuration building, includes: crossbeam, cylinder, shear force wall and superstructure. Wherein the column is the integrated column 30 of example 1.

As shown in fig. 5, the composite column 30 is embedded in the wall 4 as a column; the flange of the T-shaped steel close to the outdoor side in the combined 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 4; 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 10 are laid on the outer sides of the anti-corrosion layers of the outer side flanges and used for blocking the combined columns 30 serving as heat bridges to transfer heat flow between the indoor side and the outdoor side of the wall body.

The heat bridge effect at the combined 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 10; the effective anticorrosion period of the anticorrosion layer is prolonged.

On a projection plane parallel to the wall 4, the breadth of the glass wool board 10 does not cover the whole wall 4, and the breadth of the glass wool board 10 only covers all or part of the combined 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 of heat preservation is showing, and is with low costs, can effectively reduce the heat transfer that the combination post brought as the heat bridge, and the heat flux of 4 indoor and outdoor both sides of the wall body of elimination combination post department is concentrated, has increased substantially wall body 4's heat-proof quality, and wall body 4 that make 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 4, the left and right side ends of the glass wool board 10 are arranged to protrude out of the outer flange 3a and are embedded on the wall 4. The glass wool board 10 properly extends at the left and right sides of the outer flange 3a, so that the blocking performance of heat transfer of the combined column heat bridge is further improved, and the heat insulation performance of the wall 4 is improved. The glass wool board 10 is embedded in the wall body 4, 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 one outdoor side of the combined column in the thickness direction of the wall body 4; the two adjacent layers of glass wool panels comprise an inner layer of glass wool panel 11 close to the composite column and an outer layer of glass wool panel 12 far from the composite column. The left side and the right side of the outer glass wool board 12 are arranged to protrude out of the inner glass wool board 11 on a projection plane parallel to the wall 4; on the horizontal section of the wall 4, 2 layers of glass wool boards are respectively embedded on the wall 4 in an inverted pyramid shape (step shape).

On the horizontal section of the wall 4, a plurality of layers of glass wool boards are arranged in a (inverted pyramid) step shape. The heat transfer efficiency of the composite column is normally distributed, the heat transfer amount of the central area facing the composite column is the most intensive, namely the column heat bridge area, and the heat transfer amounts of the left side and the right side are gradually reduced, namely the heat bridge influence areas, wherein the length of the arrow in fig. 5 reflects the heat transfer amount. The glass wool boards are arranged on one side of the combined column in an inverted pyramid mode, and the transmission rule that heat is normally distributed in a heat bridge is better met, so that heat scattering on two sides of the combined column can be blocked while heat transfer on the front side of the combined column 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 body 4, 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 11 is laid on the outer side surface of the outer flange 3a and the wall 4 by using an adhesive. The outer glass wool board 12 is laid on the inner glass wool board 11 and the wall 4 by the adhesive 5.

In addition, a connecting anchor bolt is arranged between the wall 4 and the glass wool board 10, and the glass wool board is further fastened by the connecting anchor bolt after being stuck on the wall through an 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 combination 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 combination post self thermal bridge effect, and combine the cotton board of glass outside the outside edge of a wing to block the thermal 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 combination post on the whole.

Example 3

The present embodiment discloses a composite structure building, which is different from embodiment 4 in that: the cross beam in this embodiment is a partially clad steel-concrete composite member.

As shown in fig. 6 and 7, the partially clad steel-concrete composite member in this embodiment includes: the steel plate comprises a first side steel plate 100, a second side steel plate 200, a stud 500, a repair welding steel plate 400, a stiffening steel plate 300, a steel reinforcement framework 600 and concrete 700.

The first side steel plate 100 and the second side steel plate 200 are arranged in parallel at intervals; two stiffening steel plates 300 are arranged between the first side steel plate 100 and the second side steel plate 200 at intervals, and two ends of the stiffening steel plates 300 are fixedly connected with the first side steel plate 100 and the second side steel plate 200 respectively.

The two stiffening steel plates 300 divide the partially clad steel-concrete composite member into a connecting area A1 outside the two stiffening steel plates 300 and a prefabricating area A2 between the two stiffening steel plates 300; the two stiffening steel plates 300, the first side steel plate 100 and the second side steel plate 200 enclose a prefabricated abdominal cavity in a prefabricated area A2; concrete 700 is poured in the prefabricated abdominal cavity; a steel reinforcement framework 600 is embedded in the concrete; the rebar grid 600 includes a stressed main rebar 610 and a plurality of stirrups 620.

Wherein, the two ends of the stressed main rib 610 are respectively fixedly connected with the stiffening steel plates 300 at the two ends of the prefabricated area.

In the prefabricated area, a plurality of first studs 500a extending into the concrete are welded on the end surface of the first side steel plate 100 close to the concrete side; the end surface of the second side steel plate 200 close to the concrete is welded with a plurality of second studs 500b extending into the concrete.

The repair welding steel plate 400 is arranged in the connecting area, and two ends of the repair welding steel plate 400 are respectively welded and fixed with the first side steel plate 100 and the second side steel plate 200; the repair-welded steel plate 400 is provided with a plurality of connection holes.

The specification of the stud 500 and the distance between the studs 500 are determined by design calculation, and the requirement of complete shear connection force transmission is met, so that the first side steel plate 100 and the second side steel plate 200 can yield in a limit state.

When the steel-concrete composite member is used as a steel beam, the length of the connecting area of the partially-coated steel-concrete composite member is the length of the plastic hinge area under the earthquake action, and the pure steel parts in the connecting area can be used for resisting earthquake energy consumption under the earthquake action according to the design specification, so that the advantages of good ductility and excellent earthquake resistance of the pure steel parts are fully exerted; the peg 500 is interrupted outside the connection area; the partially-coated steel-concrete combined member is provided with a stiffening rib at the side of the connecting area, and the stiffening rib separates the connecting area and the prefabricating area.

In this embodiment, the stiffening steel plate 300 is provided with a steel bar hole, and the two ends of the stress main bar 610 are provided with threaded sections, and the threaded sections are fixedly connected to the stiffening steel plate 300 by using the nuts 630 after passing through the steel bar hole.

Nut 630 and atress owner muscle 610 tip threaded connection, through the fixed atress owner muscle 610 of fastening nut to transmit the power that atress owner muscle 610 bore for stiffening more energy steel sheet 300 and first side steel sheet and second side steel sheet, realize biography power and be in succession.

The partially clad steel-concrete composite member in this embodiment may be used as a beam or a column. Wherein, preferably, the outer side end faces (the side end faces facing away from the concrete) of the first side steel plate and the second side steel plate are coated with a corrosion-proof layer (not shown).

When the partially-coated steel-concrete combined member is processed, the steps are as follows:

1) respectively welding the studs 500 on the first side steel plate 100 and the second side steel plate 200 to form a first side steel plate part and a second side steel plate part with the studs 500;

2) as shown in fig. 5 and 6, the manufactured steel reinforcement cage 600 is placed on the mold stage 800 and temporarily fixed, and a protective layer cushion block is arranged under the steel reinforcement cage 600; penetrating the first side steel plate 100 with the stud 500 into the steel reinforcement framework 600 from one side, penetrating the second side steel plate 200 with the stud 500 into the steel reinforcement framework 600 from the other side, and fixing the relative positions of the steel reinforcement framework 600, the first side steel plate 100 and the second side steel plate 200;

3) positioning and welding the repair-welded steel plate 400 with the first side steel plate 100 and the second side steel plate 200;

4) the opening of the stiffening steel plate 300 penetrates through the stressed steel bar in the steel bar framework 600 and is welded with the first side steel plate 100, the second side steel plate 200 and the repair welding steel plate 400 in a positioning mode;

5) the stressed steel bars are fixed on the stiffening steel plate 300 by using fastening nuts;

6) pouring concrete and vibrating to compact;

7) steam curing or natural curing to the designed strength of the concrete.

The utility model provides a part cladding steel-concrete combined member and processing method thereof can exert the advantage that steel construction connection is convenient, anti-seismic performance is good, the advantage that concrete structure rigidity is big has been synthesized simultaneously, anticorrosive fire behavior is good, with low costs, utilize steel-concrete combined action, the anticorrosive fire behavior of steel member is poor, rigidity is weak, with high costs not enough has been overcome, the standardized production of component, the construction of assemblization, long-term durability, a great deal of advantages such as economy is suitable for have been realized, the competitive advantage of steel construction has greatly been strengthened, application prospect is wide in the prefabricated building.

Example 4

The embodiment discloses a integrated configuration building, it includes: cross-members (not shown), composite columns 30, shear walls 40, and floor slabs (not shown).

As shown in fig. 8, a shear wall 40 is disposed between the two composite columns 30.

The shear wall 40 includes a wall body and a wall body connecting member 43 disposed in the wall body; the wall body comprises an inner side plate 41 and an outer side plate 42 which are arranged at intervals along the thickness direction; the inner plate 41 and the outer plate 42 are provided with end plates 45 at both ends thereof, and are fixedly connected to the first side steel plate and the second side steel plate on the column body 30 through the end plates 45. In order to avoid the heat bridge effect, the end plates can be omitted, and the inner side plates and the outer side plates are directly connected with the side steel plates on the column body.

A plurality of through holes are formed in the wall connecting piece 43 along the thickness direction of the wall; two ends of the wall connecting piece 43 are respectively fixedly connected with the inner side plate 41 and the outer side plate 42; and, the wall connecting member 43 is made of a fiber reinforced composite material, and a heat insulating material 44 is filled in the wall body, i.e., between the inner side plate 41 and the outer side plate 42.

The utility model discloses the integrated configuration building sets up wall connection 43 at shear force wall 40 internal, sets up the through-hole on wall connection 43, on the basis of realizing shear force wall 40 body buckling restrained function, has alleviateed shear force wall 40's weight, and the on-the-spot upset of being convenient for, transport and hoist and mount are simple and convenient. Meanwhile, the shear wall 40 is reasonable in stress, reliable in performance, simple and convenient to process, can be processed and formed in a factory, does not need to be compounded on site, reduces the on-site workload and improves the connection efficiency. And, the wall body connecting piece 43 is made of fiber reinforced composite material, and the wall body is filled with heat insulating material 44, so that the heat insulating performance of the wall body and the whole building is further improved.

The wall connector 43 may be a plurality of connecting pipes arranged at intervals, or a connecting plate with a honeycomb-shaped cross section. The ends of the wall connecting element 43 are preferably connected to the inner side plate 41 and the outer side plate 42 by connecting legs for increasing the connecting area of the wall connecting element 43 to the inner side plate 41 and the outer side plate 42. Wherein the wall connecting member 43 is bonded to the connecting leg by resin.

Example 5

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

as shown in fig. 9, 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. 10 and 11, 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.

As shown in fig. 11, the annular sealing plates 54 include a bottom sealing plate, a first side sealing plate, a top sealing plate and a second side 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 6

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

as shown in fig. 12, 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. 13, 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. 13, 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. 14, 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. 15, 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. 12, 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 combined column is characterized by comprising 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.

2. The composite column according to claim 1, wherein the T-section steel is two, and the webs of the two T-section steels are located on the same diameter of the circular steel tube to form a straight line.

3. The composite column according to claim 1, wherein the number of the T-shaped steels is 3 or more, and the T-shaped steels are arranged at regular intervals in the circumferential direction of the circular steel tube.

4. The composite column according to claim 1, wherein the T-shaped steel is two, and webs of the two T-shaped steel are perpendicular to form an L-shape.

5. The composite column according to claim 1, wherein the number of the T-shaped steels is three, and webs of the three T-shaped steels are arranged in a T shape.

6. The composite column according to claim 1, wherein the number of the T-shaped steels is four, and the webs of the four T-shaped steels are arranged in a cross shape.

7. The composite column according to claim 1, wherein the circular steel tube is provided with a first circular vent hole along an axial direction thereof at a position close to an outer wall thereof; the diameter of the first circular vent hole is larger than or equal to 12 mm.

8. A composite structural building with a composite column according to any one of claims 1 to 7, comprising: the beam, the combined column, the shear wall and the floor system;

the shear wall comprises a wall body and a wall body connecting piece arranged in the wall body; the wall body comprises an inner side plate and an outer side plate which are arranged at intervals along the thickness direction of the wall body;

a plurality of through holes are formed in the wall connecting piece along the thickness direction of the wall; two ends of the wall connecting piece are respectively fixedly connected with the inner side plate and the outer side plate; and the wall connecting piece is made of fiber reinforced composite materials, and the wall is filled with heat insulation materials.

9. The building with a composite structure according to claim 8, wherein the wall connecting member is a plurality of connecting pipes arranged at intervals or a connecting plate with a honeycomb-shaped cross section.

10. The composite structural building according to claim 8, wherein the floor system includes a floor slab disposed indoors, and a cantilever slab disposed outdoors, in a horizontal projection plane; 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.

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