CN109944335B - Frame and shear wall core tube combined assembly type structure system - Google Patents
Frame and shear wall core tube combined assembly type structure system Download PDFInfo
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- CN109944335B CN109944335B CN201910272666.5A CN201910272666A CN109944335B CN 109944335 B CN109944335 B CN 109944335B CN 201910272666 A CN201910272666 A CN 201910272666A CN 109944335 B CN109944335 B CN 109944335B
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- 239000002131 composite material Substances 0.000 claims abstract description 52
- 238000010008 shearing Methods 0.000 claims description 85
- 238000005336 cracking Methods 0.000 claims description 29
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 21
- 239000011150 reinforced concrete Substances 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 9
- 239000000378 calcium silicate Substances 0.000 claims description 9
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
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- 241001330002 Bambuseae Species 0.000 claims 3
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- 238000010276 construction Methods 0.000 abstract description 23
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- 238000011065 in-situ storage Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000009417 prefabrication Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 6
- 239000003063 flame retardant Substances 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The frame and shear wall core tube combined assembly type structure system comprises a shear wall core tube and a plurality of frame columns arranged around the shear wall core tube, wherein frame beams are horizontally arranged between the shear wall core tube and adjacent frame columns and between the adjacent frame columns; a frame secondary beam is vertically arranged between the parallel frame beams, and secondary structural walls are filled below the frame secondary beams and below the frame beams; the invention can greatly improve the connection strength of the L-shaped nodes of the two steel concrete composite tube shear wall core barrels, ensure the connection reliability, combine cast-in-situ with prefabrication, facilitate construction, have high construction efficiency, ensure the construction quality, completely meet the use requirements of the modern fabricated building system such as integral stress, energy conservation, earthquake resistance and the like, have compact structure and high strength, avoid deformation in the carrying process, have good heat preservation effect, reduce the concrete consumption and reduce the construction cost.
Description
Technical Field
The invention belongs to the technical field of construction of assembled building systems, and particularly relates to a frame and shear wall core tube combined assembled structural system.
Background
In the framework-shear wall core tube structure system, the existing framework and shear wall are uniformly operated on a construction site in a cast-in-situ mode. In recent years, due to the improvement of the requirements of energy conservation and emission reduction policies and the great rise of labor prices, and the general popularization of advanced technologies in assembled structures, the application of the assembled structures has a rapid rising trend. In the popularization and application process of the frame and the shear wall core cylinder system of the assembled building, the components of the shear wall system are mainly transported to a construction site for assembly after being processed in a factory, and the steel concrete composite pipe processed in the factory has the following defects: 1. the key point of the problem is that the joint connection between the reinforced concrete combined pipes adopted by the core tube of the shear wall is the most common joint of the fabricated building, and the structure of the existing L-shaped joint is not strong in structural integrity, poor in shock resistance and easy to cause deformation and crack of the fabricated wall, so that the connection form of the structure cannot meet the use function of the fabricated building with higher requirements; 2. the steel concrete composite pipe has poor structural strength and is easy to deform in the carrying process; 3. the connection strength of the node connected with the beam in the field construction process is not firm enough; 4. the shear wall formed by pouring concrete in the central cavity of the steel concrete composite pipe at the construction site has poor heat insulation performance and does not save energy; 5. the cast concrete is more, and the construction cost is higher.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a combined assembly type structure system of a frame and a shear wall core tube, which has the advantages of high structural strength, strong stability, high node connection strength, good heat preservation and low construction cost.
In order to solve the technical problems, the invention adopts the following technical scheme: the frame and shear wall core tube combined assembly type structure system comprises a shear wall core tube and a plurality of frame columns arranged around the shear wall core tube, wherein frame beams are horizontally arranged between the shear wall core tube and adjacent frame columns and between the adjacent frame columns; a frame secondary beam is vertically arranged between the parallel frame beams, and secondary structural walls are filled below the frame secondary beams and below the frame beams;
The shear wall core barrel is a reinforced concrete shear wall core barrel or a reinforced concrete combined shear wall core barrel, and the cross section of the core barrel is rectangular or square; the frame columns comprise reinforced concrete frame columns and/or reinforced concrete combined frame columns;
the L-shaped nodes of the core tube of the steel-concrete composite shear wall at four corners comprise a first steel-concrete composite tube and a second steel-concrete composite tube which are mutually perpendicular, a first concrete layer is poured at the outer side part of the first steel-concrete composite tube, a second concrete layer is poured at the outer side part of the second steel-concrete composite tube, the right side end part of the first steel-concrete composite tube is exposed out of a first groove-shaped steel plate structure, the second steel-concrete composite tube is exposed out of a second groove-shaped steel plate structure at the rear side end part adjacent to the first groove-shaped steel plate structure, a reinforcing steel mesh skeleton is arranged between the exposed first groove-shaped steel plate structure and the exposed second groove-shaped steel plate structure, and the reinforcing steel mesh skeleton is respectively bent and anchored into a whole with the first groove-shaped steel plate structure and the second groove-shaped steel plate structure;
The steel bar net-shaped framework comprises vertical steel bars, first U-shaped shearing resistant stirrups, second U-shaped shearing resistant stirrups and rectangular shearing resistant stirrups, wherein the vertical steel bars are arranged along the vertical direction, the first U-shaped shearing resistant stirrups, the second U-shaped shearing resistant stirrups and the rectangular shearing resistant stirrups are all horizontally arranged, the vertical steel bars are provided with at least six vertical steel bars and are arranged in a rectangular array, first perforations are correspondingly formed in the front side and the rear side of the first groove-shaped steel plate structure in a front-rear mode, the open side of the first U-shaped shearing resistant stirrups faces to the left and is located on the front side and the rear side of the first groove-shaped steel plate structure, two ends of the left end of the first U-shaped shearing resistant stirrups are bent to penetrate through the first perforations on the corresponding sides and extend into the inside of the first groove-shaped steel plate structure, and the right side of the first U-shaped shearing resistant stirrups bypasses at least two vertical steel bars and is in spot welding with the adjacent vertical steel bars; the left side and the right side of the second channel steel plate structure are correspondingly provided with second perforations left and right, the open side of the second U-shaped shearing resistant stirrup faces forward and is positioned at the left side and the right side of the second channel steel plate structure, two ends of the front end of the second U-shaped shearing resistant stirrup are bent and extend into the second channel steel plate structure through the second perforations at the corresponding sides, and the rear side of the second U-shaped shearing resistant stirrup bypasses at least two vertical steel bars and is integrated with adjacent vertical steel bars through spot welding; the rectangular shearing resistant stirrups are sleeved outside all the vertical steel bars and bound with the vertical steel bars in a one-to-one correspondence manner.
A third perforation is formed in the right side of the first groove-type steel plate structure, a first shear rib is horizontally arranged in the third perforation in a penetrating mode, the right end of the first shear rib is in spot welding with the middle of the right end of the first U-shaped shear stirrup, and the left end of the first shear rib extends into the first groove-type steel plate structure;
A fourth perforation is formed in the rear side of the second groove-type steel plate structure, a second shearing resistant rib is horizontally arranged in the fourth perforation in a penetrating mode, the rear end of the second shearing resistant rib is in spot welding with the middle of the rear end of the second U-shaped shearing resistant stirrup, and the front end of the second shearing resistant rib extends into the second groove-type steel plate structure.
The first U-shaped shearing resistant stirrup, the second U-shaped shearing resistant stirrup, the rectangular shearing resistant stirrup, the first shearing resistant stirrup and the second shearing resistant stirrup are all provided with a plurality of layers along the length direction of the vertical steel bar.
A first tie anti-cracking net piece is embedded in a first concrete layer outside the first steel concrete composite pipe, the right side edge of the first tie anti-cracking net piece is positioned outside the exposed first groove-shaped steel plate structure and is flush with the right end part of the first groove-shaped steel plate structure, and the first tie anti-cracking net piece and the first U-shaped shear stirrup are welded into a whole;
The second steel concrete combined pipe is characterized in that a second tie anti-cracking net piece is embedded in a second concrete layer outside the second steel concrete combined pipe, the rear side edge of the second tie anti-cracking net piece is positioned outside the exposed second groove-type steel plate structure and is flush with the rear end part of the second groove-type steel plate structure, and the second tie anti-cracking net piece and the second U-shaped shear stirrup are welded into a whole.
The outer sides of the concrete blocks are respectively correspondingly connected with the outer surfaces of the first concrete layer and the outer surfaces of the second concrete layer and kept flush; the first steel concrete combined pipe and the second steel concrete combined pipe are internally poured with inner concrete, and a foam insulation board is embedded in the inner concrete.
The first steel concrete combined pipe and the second steel concrete combined pipe are internally welded with a plurality of reinforced steel pipes, the reinforced steel pipes penetrate through the foam insulation board, two ends of the reinforced steel pipes in the first steel concrete combined pipe are embedded in the first concrete layer, and two ends of the reinforced steel pipes in the second steel concrete combined pipe are embedded in the second concrete layer.
The steel-concrete combined frame column comprises a steel cylinder body formed by bending steel plates in a surrounding mode, wherein the center line of the steel cylinder body is vertically arranged, a plurality of layers of steel frameworks are arranged in the steel cylinder body in the height direction, each layer of steel framework comprises a plurality of section steels, reinforcing steel bars or bolt rods which are arranged in a staggered and crossed mode, two ends of each section steel, reinforcing steel bar or bolt rod penetrate through the steel cylinder body, the bolt rods are connected with the steel cylinder body through threads, reinforcing steel bars or steel wires which surround the steel cylinder body are connected with two ends of all the section steels, the reinforcing steel bars or the two ends of the bolt rods are connected with steel wires which surround the steel cylinder body, a third concrete layer which is embedded in the reinforcing steel bars or the steel wires is poured outside the steel cylinder body, and the cross section outline shape of the third concrete layer, the cross section shape of the reinforcing steel bars or the steel wires are similar to the cross section shape of the steel cylinder body; the thickness of the first, second and third concrete layers is 10-80mm.
The first concrete layer, the second concrete layer, the third concrete layer and the indoor surfaces of the frame beams are provided with calcium silicate plates; the secondary structure wall body comprises an aerated block brick wall or a partition wall.
The steel plate which is bent and enclosed into the steel cylinder adopts a pattern steel plate, and the patterns of the pattern steel plate are outwards arranged; the cross section of the steel cylinder body is round, rectangular or regular N-shaped, and N is a natural number greater than or equal to 4.
The shear wall core tube and the frame column are embedded with connecting brackets at the same height, and two ends of the frame beam are supported on the connecting brackets and welded with the connecting brackets into a whole.
By adopting the technical scheme, the reinforced concrete shear wall is cast-in-situ on a construction site to form a shear wall core tube. The steel concrete composite pipe is formed by casting internal concrete in the steel concrete composite pipe after being manufactured by a factory and transported to a construction site, and L-shaped nodes are constructed on site. The steel-concrete composite shear wall is used in the system as much as possible, foam insulation boards are embedded in the steel-concrete composite shear wall, and reinforced steel pipes are arranged in the steel-concrete composite shear wall, so that the insulation performance and the self strength of the system can be improved.
The first concrete layer outside the first steel concrete combined pipe, the pre-buried first tie anti-cracking net sheet, the second concrete layer outside the second steel concrete combined pipe and the pre-buried second tie anti-cracking net sheet are prefabricated in a factory. When the first groove-shaped steel plate structure, the right end part of the first tie anti-cracking net sheet and the rear end parts of the second groove-shaped steel plate structure and the second tie anti-cracking net sheet are exposed outside during factory prefabrication.
The first steel concrete combined pipe and the second steel concrete combined pipe are assembled and constructed after being transported to a construction site, the first steel concrete combined pipe and the second steel concrete combined pipe are vertically arranged, a steel mesh skeleton is arranged in an L-shaped space between a first groove-shaped steel plate structure and a second groove-shaped steel plate structure which are exposed outside, a part of vertical steel bars and a first groove-shaped steel plate structure are connected into a whole through a first U-shaped shearing resistant stirrup, a part of vertical steel bars and a second groove-shaped steel plate structure are connected into a whole through a second U-shaped shearing resistant stirrup, all the vertical steel bars are connected into a whole through a rectangular shearing resistant stirrup, finally concrete is poured and solidified into concrete blocks, and therefore the first steel concrete combined pipe and the second steel concrete combined pipe are firmly connected into a whole. The first tie anti-cracking net sheet and the second tie anti-cracking net sheet are also poured into the concrete block, so that the appearance of the joint between the first concrete layer and the concrete block and the appearance of the joint between the second concrete layer and the concrete block are not cracked. And simultaneously pouring the concrete blocks, respectively pouring inner concrete in the first steel concrete combined pipe and the second steel concrete combined pipe, connecting the first shearing resistant ribs and the bent first U-shaped shearing resistant stirrups with the first steel concrete combined pipe into a whole, connecting the second shearing resistant ribs and the bent second U-shaped shearing resistant stirrups with the second steel concrete combined pipe into a whole, and in addition, the apertures of the first perforation, the second perforation, the third perforation and the fourth perforation are all larger than the diameters of penetrating the shearing resistant stirrups or the shearing resistant ribs, so that the L-shaped concrete blocks are connected with the left inner concrete and the front inner concrete into a whole, and further improving the connection strength of the L-shaped nodes.
The first U-shaped shearing resistant stirrup is anchored with the first groove-shaped steel plate structure into a whole after being bent, the second U-shaped shearing resistant stirrup is anchored with the second groove-shaped steel plate structure into a whole after being bent, the connection strength is extremely strong, and the connection reliability of two adjacent sections of steel concrete combined pipes is ensured.
The foam heat-insulating plate has the effect of improving the heat insulation effect of the steel-concrete composite tube shear wall; and the consumption of concrete is reduced, and the construction cost is reduced.
The reinforced steel pipe has the function of improving the connection strength between the rectangular steel plate structures inside the steel concrete composite pipe, and has the function of avoiding the steel concrete composite pipe from generating distortion when carrying the steel concrete composite pipe.
As a novel green environment-friendly building material, the calcium silicate board (English: calcium silicate) has the functions of a traditional gypsum board, has the advantages of excellent fireproof performance, moisture resistance and ultra-long service life, and is widely applied to suspended ceiling ceilings and partition walls of industrial and commercial engineering buildings, lining boards of home decoration and furniture, lining boards of advertising boards, shed boards of warehouses, network floors, wall boards of indoor engineering such as tunnels and the like. Thus, the calcium silicate board has good flame retardant and fireproof performance.
The patterns of the patterned steel plate are outwards, so that the connection strength between the steel cylinder body and the concrete layer can be enhanced.
The steel cylinder body is stretched at shaped steel, reinforcing bar or bolt pole's both ends, provides the support for reinforcing bar or wire net, and reinforcing bar or wire net are pour in the concrete layer, ensure that the concrete layer can not appear the crackle.
According to the design drawing, the cross section shape of the steel cylinder body can be round, rectangular or positive N-shaped (N is a natural number greater than or equal to 4), namely the cross section shape of the frame column is also the shape, so that the steel cylinder body is suitable for the requirements of different occasions.
In summary, the invention can greatly improve the connection strength of the L-shaped joint of the core tube of the two steel concrete composite tube shear wall, ensure the connection reliability, combine cast-in-situ with prefabrication, facilitate construction, have high construction efficiency, ensure the construction quality, completely meet the use requirements of the modern assembled building system such as integral stress, energy conservation, earthquake resistance and the like, have compact structure and high strength, avoid deformation in the carrying process, have good heat preservation effect, reduce the concrete consumption and reduce the construction cost.
Drawings
FIG. 1 is a plan view of the present invention;
FIG. 2 is a schematic plan layout of a core tube of the steel concrete composite shear wall at an L-shaped connecting node;
FIG. 3 is a schematic illustration of the connection of the first steel reinforced concrete composite pipe and the first U-shaped shear stirrup of FIG. 2;
FIG. 4 is a schematic illustration of the connection of the second steel reinforced concrete composite pipe and the second U-shaped shear stirrup of FIG. 2;
FIG. 5 is a schematic view of the rectangular shear stirrup of FIG. 2;
FIG. 6 is a schematic view of a first steel concrete composite tube structure with foam insulation boards and reinforcing steel tubes inside;
FIG. 7 is a schematic cross-sectional view of a first embodiment of a reinforced concrete composite frame column of the present invention;
FIG. 8 is a schematic cross-sectional view of a second embodiment of a reinforced concrete composite frame column in accordance with the present invention;
fig. 9 is a schematic cross-sectional view of a third embodiment of a reinforced concrete composite frame column in accordance with the present invention.
Detailed Description
As shown in fig. 1-7, the frame and shear wall core tube combined assembly type structure system comprises a shear wall core tube 13 and a plurality of frame columns 14 arranged around the shear wall core tube 13, wherein frame beams 15 are horizontally arranged between the shear wall core tube 13 and adjacent frame columns 14 and between the adjacent frame columns 14; a frame secondary beam 16 is vertically arranged between the parallel frame beams 15, and secondary structural walls are filled below the frame secondary beam 16 and below the frame beams 15;
The shear wall core barrel 13 is a reinforced concrete shear wall core barrel 13 or a reinforced concrete combined shear wall core barrel 13, and the section of the core barrel is rectangular or square; the frame posts 14 include reinforced concrete frame posts 14 and/or reinforced concrete composite frame posts 14;
The L-shaped nodes of the steel-concrete composite shear wall core tube 13 at four corners comprise a first steel-concrete composite tube and a second steel-concrete composite tube which are perpendicular to each other, a first concrete layer 1 is poured at the outer side part of the first steel-concrete composite tube, a second concrete layer 2 is poured at the outer side part of the second steel-concrete composite tube, the right end part of the first steel-concrete composite tube is exposed out of a first groove-shaped steel plate structure 3, the second steel-concrete composite tube is exposed out of a second groove-shaped steel plate structure 4 at the rear end part adjacent to the first groove-shaped steel plate structure 3, a reinforcing steel mesh skeleton is arranged between the exposed first groove-shaped steel plate structure 3 and the exposed second groove-shaped steel plate structure 4, and the reinforcing steel mesh skeleton is respectively bent and anchored with the first groove-shaped steel plate structure 3 and the second groove-shaped steel plate structure 4 into a whole;
The steel bar net-shaped framework comprises vertical steel bars 5, first U-shaped shearing resistant hoops 6, second U-shaped shearing resistant hoops 7 and rectangular shearing resistant hoops 8, the vertical steel bars 5 are arranged in the vertical direction, the first U-shaped shearing resistant hoops 6, the second U-shaped shearing resistant hoops 7 and the rectangular shearing resistant hoops 8 are horizontally arranged, the vertical steel bars 5 are provided with at least six and are arranged in a rectangular array, first perforations are correspondingly formed in the front side and the rear side of the first groove-shaped steel plate structure 3 in a front-rear mode, the open side of the first U-shaped shearing resistant hoops 6 faces left and is located in the front side and the rear side of the first groove-shaped steel plate structure 3, two ends of the left end of the first U-shaped shearing resistant hoops 6 are bent to penetrate through the first perforations on the corresponding sides and extend into the first groove-shaped steel plate structure 3, and the right side of the first U-shaped shearing resistant hoops 6 bypasses at least two vertical steel bars 5 and is spot-welded with the adjacent steel bars 5 into a whole; the left side and the right side of the second groove-shaped steel plate structure 4 are correspondingly provided with second perforations left and right, the open side of the second U-shaped shearing resistant stirrup 7 faces forward and is positioned at the left side and the right side of the second groove-shaped steel plate structure 4, two ends of the front end of the second U-shaped shearing resistant stirrup 7 are bent and extend into the second groove-shaped steel plate structure 4 through the second perforations at the corresponding sides, and the rear side of the second U-shaped shearing resistant stirrup 7 bypasses at least two vertical steel bars 5 and is in spot welding integration with the adjacent vertical steel bars 5; the rectangular shearing resistant stirrups 8 are sleeved outside all the vertical steel bars 5 and bound with the vertical steel bars 5 in a one-to-one correspondence.
A third perforation is formed in the right side of the first groove-shaped steel plate structure 3, a first shear rib 9 is horizontally arranged in the third perforation in a penetrating mode, the right end of the first shear rib 9 is in spot welding with the middle of the right end of the first U-shaped shear stirrup 6, and the left end of the first shear rib 9 extends into the first groove-shaped steel plate structure 3;
A fourth perforation is formed in the rear side of the second groove-shaped steel plate structure 4, a second shearing resistant rib 10 is horizontally arranged in the fourth perforation in a penetrating mode, the rear end of the second shearing resistant rib 10 is in spot welding with the middle of the rear end of the second U-shaped shearing resistant stirrup 7, and the front end of the second shearing resistant rib 10 extends into the second groove-shaped steel plate structure 4.
The first U-shaped shearing resistant stirrup 6, the second U-shaped shearing resistant stirrup 7, the rectangular shearing resistant stirrup 8, the first shearing resistant stirrup 9 and the second shearing resistant stirrup 10 are all provided with a plurality of layers along the length direction of the vertical steel bar 5.
A first drawknot anti-cracking net piece 11 is embedded in the first concrete layer 1 outside the first steel concrete composite pipe, the right side edge of the first drawknot anti-cracking net piece 11 is positioned outside the exposed first groove-shaped steel plate structure 3 and is flush with the right end part of the first groove-shaped steel plate structure 3, and the first drawknot anti-cracking net piece 11 and the first U-shaped shear stirrup 6 are welded into a whole;
The second concrete layer 2 outside the second steel concrete composite pipe is embedded with a second tie anti-cracking net piece 12, the rear side edge of the second tie anti-cracking net piece 12 is positioned outside the exposed second groove-shaped steel plate structure 4 and is flush with the rear end part of the second groove-shaped steel plate structure 4, and the second tie anti-cracking net piece 12 and the second U-shaped shear stirrup 7 are welded into a whole.
Concrete blocks with L-shaped cross sections are poured outside the reinforcing steel bar net-shaped framework and the exposed first and second tie anti-cracking meshes 11 and 12, and the outer side surfaces of the concrete blocks are respectively correspondingly connected with the outer surfaces of the first and second concrete layers 1 and 2 and kept flush; the first steel concrete combined pipe and the second steel concrete combined pipe are internally poured with inner concrete, and a foam insulation board 20 is embedded in the inner concrete.
The first steel concrete combined pipe and the second steel concrete combined pipe are internally welded with a plurality of reinforced steel pipes 21, the reinforced steel pipes 21 penetrate through the foam insulation board 20, two ends of the reinforced steel pipes 21 in the first steel concrete combined pipe are embedded in the first concrete layer 1, and two ends of the reinforced steel pipes 21 in the second steel concrete combined pipe are embedded in the second concrete layer 2.
The steel-concrete combined frame column 14 comprises a steel cylinder 26 formed by bending steel plates, wherein the central line of the steel cylinder 26 is vertically arranged, a plurality of layers of steel frameworks 27 are arranged in the steel cylinder 26 in the height direction, each layer of steel frameworks 27 comprises a plurality of staggered steel bars, steel bars or bolt rods, two ends of each steel bar, steel bar or bolt rod penetrate through the steel cylinder 26, the bolt rods are connected with the steel cylinder 26 through threads, two ends of all the steel bars, steel bars or bolt rods are connected with steel bars or steel wires which encircle the steel cylinder 26, a third concrete layer 24 with the steel bars or steel wires embedded in is poured outside the steel cylinder 26, and the cross section outline shape of the third concrete layer 24 and the cross section shape of the steel bars or the steel wires are similar to the cross section shape of the steel cylinder 26; the thickness of the first, second and third concrete layers 1, 2 and 24 is 10-80mm.
The first concrete layer 1, the second concrete layer 2, the third concrete layer 24 and the indoor surfaces of the frame beams 15 are provided with calcium silicate boards 25; the secondary structure wall body comprises an aerated block brick wall or a partition wall.
The steel plate which is bent and enclosed into the steel cylinder 26 adopts a pattern steel plate, and the patterns of the pattern steel plate are outwards arranged; the steel cylinder 26 has a square cross-sectional shape.
Connecting brackets are embedded in the shear wall core tube 13 and the frame column 14 at the same height, and two ends of the frame beam 15 are supported on the connecting brackets and welded with the connecting brackets into a whole.
The reinforced concrete shear wall in the invention is cast-in-situ on a construction site to form a shear wall core barrel 13. The steel concrete composite pipe is formed by casting internal concrete in the steel concrete composite pipe after being manufactured by a factory and transported to a construction site, and L-shaped nodes are constructed on site. The steel-concrete combined shear wall is used in the system as far as possible, the foam heat-insulating plate 20 is embedded in the system, and the reinforced steel pipes 21 are arranged in the system, so that the heat-insulating performance and the self strength of the system can be improved.
The first concrete layer 1, the pre-buried first tie anti-cracking net sheet 11, the second concrete layer 2 and the pre-buried second tie anti-cracking net sheet 12 are prefabricated in factories. The first channel steel plate structure 3, the right end of the first tie anti-crack net sheet 11, and the rear end of the second channel steel plate structure 4 and the second tie anti-crack net sheet 12 are exposed outside at the time of factory prefabrication.
The first steel concrete combined pipe and the second steel concrete combined pipe are assembled and constructed after being transported to a construction site, the first steel concrete combined pipe and the second steel concrete combined pipe are vertically arranged, a steel mesh skeleton is arranged in an L-shaped space between the first groove-shaped steel plate structure 3 and the second groove-shaped steel plate structure 4 which are exposed outside, a part of vertical steel bars 5 and the first groove-shaped steel plate structure 3 are connected into a whole by a first U-shaped shear-resistant stirrup 6, a part of vertical steel bars 5 of the second U-shaped shear-resistant stirrup 7 and the second groove-shaped steel plate structure 4 are connected into a whole, all the vertical steel bars 5 are connected into a whole by a rectangular shear-resistant stirrup 8, finally concrete is poured and solidified into a concrete block, and the first steel concrete combined pipe and the second steel concrete combined pipe are firmly connected into a whole. The first tie anti-cracking net 11 and the second tie anti-cracking net 12 are also poured into the concrete block, so that the appearance of the joint between the first concrete layer 1 and the concrete block and the appearance of the joint between the second concrete layer 2 and the concrete block are not cracked. And simultaneously pouring inner concrete in the first steel concrete combined pipe and the second steel concrete combined pipe respectively, so that the first shearing resistant rib 9 and the bent first U-shaped shearing resistant stirrup 6 are connected with the first steel concrete combined pipe into a whole, the second shearing resistant rib 10 and the bent second U-shaped shearing resistant stirrup 7 are connected with the second steel concrete combined pipe into a whole, and in addition, the apertures of the first perforation, the second perforation, the third perforation and the fourth perforation are all larger than the diameters of penetrating the shearing resistant stirrups or the shearing resistant ribs, and the L-shaped concrete blocks can be connected with the left inner concrete and the front inner concrete into a whole, so that the connection strength of the L-shaped node is further improved.
The first U-shaped shearing resistant stirrup 6 is anchored with the first groove-shaped steel plate structure 3 into a whole after being bent, the second U-shaped shearing resistant stirrup 7 is anchored with the second groove-shaped steel plate structure 4 into a whole after being bent, the connection strength is extremely strong, and the connection reliability of two adjacent sections of steel concrete combined pipes is ensured.
The foam heat-insulating plate 20 has the effect of improving the heat insulation of the steel-concrete composite tube shear wall; and the consumption of concrete is reduced, and the construction cost is reduced.
The reinforcing steel pipe 21 has the function of improving the connection strength between the rectangular steel plate structures inside the steel concrete composite pipe, and has the function of avoiding the steel concrete composite pipe from generating distortion when carrying the invention.
The calcium silicate board 25 (english: calcium silicate) is used as a novel green building material, has the functions of a conventional gypsum board, has the advantages of excellent fireproof performance, moisture resistance and long service life, and is widely applied to suspended ceiling ceilings and partition walls of industrial and commercial engineering buildings, lining boards of home decoration and furniture, lining boards of billboards, shed boards of warehouses, network floors, wall boards of indoor engineering such as tunnels and the like. The calcium silicate board 25 is thus provided with good fire-retardant and fire-retardant properties.
The pattern of the patterned steel plate faces outwards, so that the connection strength between the steel cylinder 26 and the concrete layer can be enhanced.
The steel cylinder 26 is stretched at the both ends of shaped steel, reinforcing bar or bolt pole, provides the support for reinforcing bar or wire net, and reinforcing bar or wire net are pour in the concrete layer, ensure that the concrete layer can not appear the crackle.
Embodiment two: as shown in fig. 8, this embodiment differs from the first embodiment in that the cross-sectional shape of the steel cylinder 26 is circular.
Embodiment III: as shown in fig. 9, this embodiment differs from the first embodiment in that the cross-sectional shape of the steel cylinder 26 is a positive N-sided polygon, N being equal to 6.
According to the design drawing, the cross-sectional shape of the steel cylinder 26 may be circular, rectangular or a positive N-sided shape (N is a natural number of 4 or more), i.e., the cross-sectional shape of the frame column 1416 is also the shape to suit the needs of different occasions.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (8)
1. Frame and shear force wall core section of thick bamboo combination assembled structural system, including shear force wall core section of thick bamboo and a plurality of frame posts of arranging around the shear force wall core section of thick bamboo, its characterized in that: frame beams are horizontally arranged between the shear wall core tube and the adjacent frame columns; a frame secondary beam is vertically arranged between the parallel frame beams, and secondary structural walls are filled below the frame secondary beams and below the frame beams;
The shear wall core barrel is a reinforced concrete shear wall core barrel or a reinforced concrete combined shear wall core barrel, and the cross section of the core barrel is rectangular or square; the frame columns comprise reinforced concrete frame columns and/or reinforced concrete combined frame columns;
the L-shaped nodes of the core tube of the steel-concrete composite shear wall at four corners comprise a first steel-concrete composite tube and a second steel-concrete composite tube which are mutually perpendicular, a first concrete layer is poured at the outer side part of the first steel-concrete composite tube, a second concrete layer is poured at the outer side part of the second steel-concrete composite tube, the right side end part of the first steel-concrete composite tube is exposed out of a first groove-shaped steel plate structure, the second steel-concrete composite tube is exposed out of a second groove-shaped steel plate structure at the rear side end part adjacent to the first groove-shaped steel plate structure, a reinforcing steel mesh skeleton is arranged between the exposed first groove-shaped steel plate structure and the exposed second groove-shaped steel plate structure, and the reinforcing steel mesh skeleton is respectively bent and anchored into a whole with the first groove-shaped steel plate structure and the second groove-shaped steel plate structure;
The steel bar net-shaped framework comprises vertical steel bars, first U-shaped shearing resistant stirrups, second U-shaped shearing resistant stirrups and rectangular shearing resistant stirrups, wherein the vertical steel bars are arranged along the vertical direction, the first U-shaped shearing resistant stirrups, the second U-shaped shearing resistant stirrups and the rectangular shearing resistant stirrups are all horizontally arranged, the vertical steel bars are provided with at least six vertical steel bars and are arranged in a rectangular array, first perforations are correspondingly formed in the front side and the rear side of the first groove-shaped steel plate structure in a front-rear mode, the open side of the first U-shaped shearing resistant stirrups faces to the left and is located on the front side and the rear side of the first groove-shaped steel plate structure, two ends of the left end of the first U-shaped shearing resistant stirrups are bent to penetrate through the first perforations on the corresponding sides and extend into the inside of the first groove-shaped steel plate structure, and the right side of the first U-shaped shearing resistant stirrups bypasses at least two vertical steel bars and is in spot welding with the adjacent vertical steel bars; the left side and the right side of the second channel steel plate structure are correspondingly provided with second perforations left and right, the open side of the second U-shaped shearing resistant stirrup faces forward and is positioned at the left side and the right side of the second channel steel plate structure, two ends of the front end of the second U-shaped shearing resistant stirrup are bent and extend into the second channel steel plate structure through the second perforations at the corresponding sides, and the rear side of the second U-shaped shearing resistant stirrup bypasses at least two vertical steel bars and is integrated with adjacent vertical steel bars through spot welding; the rectangular shearing resistant stirrups are sleeved outside all the vertical steel bars and bound with the vertical steel bars in a one-to-one correspondence manner;
a third perforation is formed in the right side of the first groove-type steel plate structure, a first shear rib is horizontally arranged in the third perforation in a penetrating mode, the right end of the first shear rib is in spot welding with the middle of the right end of the first U-shaped shear stirrup, and the left end of the first shear rib extends into the first groove-type steel plate structure;
a fourth perforation is formed in the rear side of the second groove-type steel plate structure, a second shearing resistant rib is horizontally arranged in the fourth perforation in a penetrating mode, the rear end of the second shearing resistant rib is in spot welding with the middle of the rear end of the second U-shaped shearing resistant stirrup, and the front end of the second shearing resistant rib extends into the second groove-type steel plate structure;
the first U-shaped shearing resistant stirrup, the second U-shaped shearing resistant stirrup, the rectangular shearing resistant stirrup, the first shearing resistant stirrup and the second shearing resistant stirrup are all provided with a plurality of layers along the length direction of the vertical steel bar.
2. The frame and shear wall core tube modular structural system of claim 1, wherein: a first tie anti-cracking net piece is embedded in a first concrete layer outside the first steel concrete composite pipe, the right side edge of the first tie anti-cracking net piece is positioned outside the exposed first groove-shaped steel plate structure and is flush with the right end part of the first groove-shaped steel plate structure, and the first tie anti-cracking net piece and the first U-shaped shear stirrup are welded into a whole;
The second steel concrete combined pipe is characterized in that a second tie anti-cracking net piece is embedded in a second concrete layer outside the second steel concrete combined pipe, the rear side edge of the second tie anti-cracking net piece is positioned outside the exposed second groove-type steel plate structure and is flush with the rear end part of the second groove-type steel plate structure, and the second tie anti-cracking net piece and the second U-shaped shear stirrup are welded into a whole.
3. The frame and shear wall core tube modular structural system of claim 2, wherein: the outer sides of the concrete blocks are respectively correspondingly connected with the outer surfaces of the first concrete layer and the outer surfaces of the second concrete layer and kept flush; the first steel concrete combined pipe and the second steel concrete combined pipe are internally poured with inner concrete, and a foam insulation board is embedded in the inner concrete.
4. A frame and shear wall core tube modular structural system according to claim 3, wherein: the first steel concrete combined pipe and the second steel concrete combined pipe are internally welded with a plurality of reinforced steel pipes, the reinforced steel pipes penetrate through the foam insulation board, two ends of the reinforced steel pipes in the first steel concrete combined pipe are embedded in the first concrete layer, and two ends of the reinforced steel pipes in the second steel concrete combined pipe are embedded in the second concrete layer.
5. The frame and shear wall core tube modular structural system of claim 1, wherein: the steel-concrete combined frame column comprises a steel cylinder body formed by bending steel plates in a surrounding mode, wherein the center line of the steel cylinder body is vertically arranged, a plurality of layers of steel frameworks are arranged in the steel cylinder body in the height direction, each layer of steel framework comprises a plurality of section steels, reinforcing steel bars or bolt rods which are arranged in a staggered and crossed mode, two ends of each section steel, reinforcing steel bar or bolt rod penetrate through the steel cylinder body, the bolt rods are connected with the steel cylinder body through threads, reinforcing steel bars or steel wires which surround the steel cylinder body are connected with two ends of all the section steels, the reinforcing steel bars or the two ends of the bolt rods are connected with steel wires which surround the steel cylinder body, a third concrete layer which is embedded in the reinforcing steel bars or the steel wires is poured outside the steel cylinder body, and the cross section outline shape of the third concrete layer, the cross section shape of the reinforcing steel bars or the steel wires are similar to the cross section shape of the steel cylinder body; the thickness of the first, second and third concrete layers is 10-80mm.
6. The frame and shear wall core tube modular structural system of claim 5, wherein: the first concrete layer, the second concrete layer, the third concrete layer and the indoor surfaces of the frame beams are provided with calcium silicate plates; the secondary structure wall body comprises an aerated block brick wall or a partition wall.
7. The frame and shear wall core tube modular structural system of claim 5, wherein: the steel plate which is bent and enclosed into the steel cylinder adopts a pattern steel plate, and the patterns of the pattern steel plate are outwards arranged; the cross section of the steel cylinder body is round, rectangular or regular N-shaped, and N is a natural number greater than or equal to 4.
8. The frame and shear wall core tube modular structural system of claim 1, wherein: the shear wall core tube and the frame column are embedded with connecting brackets at the same height, and two ends of the frame beam are supported on the connecting brackets and welded with the connecting brackets into a whole.
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| CN110629886B (en) * | 2019-10-14 | 2020-11-06 | 湖北思泽新能源科技有限公司 | Construction method for combining cast-in-place cylinder structure with fabricated frame structure |
| CN110761409A (en) * | 2019-10-29 | 2020-02-07 | 中国二十冶集团有限公司 | Frame-core tube structure system with inner frame columns |
| CN112100729B (en) * | 2020-11-10 | 2021-01-29 | 上海建工集团股份有限公司 | Vertical deformation and differential deformation control method for super high-rise structure |
| CN112761282B (en) * | 2021-02-11 | 2022-02-01 | 张强功 | Modern low-rise fabricated building structure and assembling method |
| CN113073733A (en) * | 2021-04-02 | 2021-07-06 | 重庆大学 | Inner combined frame-shear wall mixed structure system and construction method thereof |
| CN113756473B (en) * | 2021-10-18 | 2022-11-01 | 福建金鼎建筑发展有限公司 | A L type self preservation temperature shear force wall prefabricated plate for prefabricated construction corner |
| CN115977250B (en) * | 2023-02-01 | 2024-02-23 | 中建八局第四建设有限公司 | Assembled steel die core tube structure system and construction method |
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