CN109944349B - Sandwich heat-insulating steel concrete combined pipe structure and processing and manufacturing method thereof - Google Patents
Sandwich heat-insulating steel concrete combined pipe structure and processing and manufacturing method thereof Download PDFInfo
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- CN109944349B CN109944349B CN201910273262.8A CN201910273262A CN109944349B CN 109944349 B CN109944349 B CN 109944349B CN 201910273262 A CN201910273262 A CN 201910273262A CN 109944349 B CN109944349 B CN 109944349B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 297
- 239000010959 steel Substances 0.000 title claims abstract description 297
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000003672 processing method Methods 0.000 title description 6
- 239000006260 foam Substances 0.000 claims abstract description 44
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 description 12
- 238000012946 outsourcing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The sandwich heat-insulating steel concrete combined pipe structure comprises a left channel steel and a right channel steel which are vertically arranged, a front steel plate is welded between the front sides of the left channel steel and the right channel steel, a foam heat-insulating plate is filled between the front steel plate and a rear steel plate, a screw rod is arranged between the front steel plate and the rear steel plate in a penetrating mode, two ends of the screw rod extend out of the front steel plate and the rear steel plate respectively, a plurality of pegs are arranged on the left channel steel and the right channel steel, the outer end portions of all the pegs and all the screw rods are connected with reinforcing steel meshes, the shape of the cross section of the reinforcing steel meshes is similar to that of a rectangular cylindrical steel plate structure, and an outer concrete layer which is embedded in the reinforcing steel meshes, the pegs and the screw rod is poured outside the rectangular cylindrical steel plate structure. The invention has reasonable design, compact structure and high strength, avoids deformation in the process of carrying, has good heat preservation effect, reduces the concrete consumption and reduces the construction cost.
Description
Technical Field
The invention belongs to the technical field of assembly type building construction, and particularly relates to a sandwich heat-preservation steel concrete combined pipe structure and a processing and manufacturing method thereof.
Background
In recent years, due to the improvement of energy saving and emission reduction policy requirements and the large increase of labor prices, and meanwhile, due to the general popularization of advanced technologies in the fabricated building, the application of the fabricated building starts to get rid of the valley and has a rapid rising trend. The components of the fabricated building are mainly transported to a construction site for assembly after being processed in factories, and the steel concrete composite pipes processed in factories have the following defects: 1. the structural strength is poor in the carrying process, and deformation is easy to generate; 2. the connection strength of the node connected with the beam in the field construction process is not firm enough; 3. the heat preservation performance of the steel concrete composite pipe is poor after concrete is poured in the central cavity, so that energy is not saved; 4. 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 sandwich heat-insulating steel-concrete combined pipe structure with high structural strength, high strength of a joint connected with a beam, good heat preservation and low construction cost and a processing and manufacturing method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a sandwich heat preservation steel concrete composite tube structure, including the left channel-section steel and the right channel-section steel that set up perpendicularly, the notch of left channel-section steel and the notch of right channel-section steel are controlled relatively and are set up, the welding has preceding steel sheet between the front side of left channel-section steel and right channel-section steel, the welding has the back steel sheet between the rear side of left channel-section steel and right channel-section steel, left side channel-section steel, right side channel-section steel, the front side channel-section steel and the rear side of right channel-section steel, the front side of left side channel-section steel and rear side of right channel-section steel are gone up and are offered a plurality of screw hole, the screw rod that corresponds with the foam heat preservation board passes the foam heat preservation board, be provided with a plurality of pegs on left channel-section steel and the right channel-section steel along the horizontal direction, the peg right side is passed left side and is stretched into the vertical pouring passageway in the left side between steel sheet and the rear steel sheet, all have vertical pouring passageway that pours the channel between the left side and the left side, the right side of the right side peg is stretched into the channel-section steel sheet and the steel sheet is stretched into the rectangular steel bar structure of the cross section steel and the steel bar, the outer cross section steel bar of the steel net piece is stretched into with the rectangular steel, the outer shape is similar to the steel structure of the steel bar, the screw hole is connected with the screw.
All be provided with the wall girder joint point on left channel-section steel and the right channel-section steel, every wall girder joint point all includes a bundle along the pre-buried muscle that left and right direction level set up, the rectangular hole has all been seted up on left channel-section steel and the right channel-section steel, this bundle pre-buried muscle wears to establish in the rectangular hole, the recess that is used for holding pre-buried muscle is seted up to the lateral part of foam heated board, the inner of pre-buried muscle passes vertical pouring passageway and stretches into in the recess, the outer fixedly connected with connecting plate of pre-buried muscle, pre-buried muscle and the connecting plate that is located left channel-section steel or right channel-section steel outside are all pre-buried in outsourcing concrete layer, the lateral surface of connecting plate flushes with the left surface or the right side of outsourcing concrete layer.
A plurality of unthreaded holes are correspondingly formed between the front steel plate and the rear steel plate, the number of unthreaded holes is smaller than that of the threaded holes, the diameter of each unthreaded hole is larger than that of the threaded hole, reinforcing steel pipes are arranged between the corresponding unthreaded holes in a penetrating mode, the front ends and the rear ends of the reinforcing steel pipes are welded with the rear side face and the right steel plate of the front steel plate respectively, and all the reinforcing steel pipes penetrate through the foam heat-insulating plate.
The top of the foam heat-insulating plate is lower than the upper port of the rectangular cylindrical steel plate structure, and the bottom of the rectangular cylindrical steel plate structure is higher than the lower port of the rectangular cylindrical steel plate structure.
The left peg is in threaded connection with the left channel steel, and the right peg is in threaded connection with the right channel steel.
The processing and manufacturing method of the sandwich heat-insulating steel concrete composite pipe structure comprises the following steps:
(1) Screw holes are formed in the left channel steel, the right channel steel, the front steel plate and the rear steel plate, rectangular holes are formed in set positions of the left channel steel and the right channel steel, grooves corresponding to the rectangular holes are formed in the side parts of the foam heat-insulating plate, a plurality of fine holes and rough holes are drilled in the foam heat-insulating plate, and the drill holes are correspondingly arranged with the screw holes in the front steel plate and the rear steel plate;
(2) Vertically and oppositely arranging the left channel steel and the right channel steel, and welding a rear steel plate between the rear sides of the left channel steel and the right channel steel;
(3) A foam heat-insulating plate is arranged on the front side surface of the rear steel plate, the rear side surface of the foam heat-insulating plate is adhered to the front side surface of the rear steel plate through glue solution, so that the grooves correspond to rectangular holes left and right, fine holes correspond to threaded holes on the rear steel plate one by one, coarse holes correspond to unthreaded holes one by one, and vertical pouring channels are reserved;
(4) Coating glue on the front side of the foam heat-insulating plate, placing a front steel plate between the front sides of the left channel steel and the right channel steel, enabling threaded holes and unthreaded holes on the front steel plate to correspond to the fine holes and the rough holes on the foam heat-insulating plate respectively, and welding the left side and the right side of the front steel plate to the left channel steel and the right channel steel respectively;
(5) Penetrating a screw into the threaded hole, wherein the front end and the rear end of the screw respectively extend out of the front steel plate and the rear steel plate and have the same extending length, penetrating a reinforced steel pipe into the unthreaded hole, respectively welding the front end and the rear end of the reinforced steel pipe onto the front steel plate and the rear steel plate, and enabling the protruding lengths of the front steel plate and the rear steel plate at the two ends of the reinforced steel pipe to be 1-3cm;
(6) Penetrating the prefabricated connecting plate and the prefabricated embedded ribs into the grooves through rectangular holes, and connecting bolts in threaded holes in the left channel steel and the right channel steel by threads so that the distances between the bolts protruding out of the left channel steel and the right channel steel are equal;
(7) Arranging a reinforcing mesh at the outer ends of the pegs and the screw rods, arranging a template outside the reinforcing mesh, pouring concrete to pre-embed the reinforcing mesh, the pegs, the screw rods and the pre-embedded bars, and disassembling the template after solidification to form an outer-covered concrete layer.
By adopting the technical scheme, the steel concrete composite tube shear wall is transported to a construction site after being processed and manufactured in a factory, concrete is poured inside the rectangular cylindrical steel plate structure, and a supporting template is not needed, so that the steel concrete composite tube shear wall is formed.
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 front steel plate and the rear steel plate, and the rectangular cylindrical steel plate structure is prevented from generating distortion when the steel plate is transported.
The wall beam connecting points are pre-embedded in the outer concrete layer during factory manufacturing, and have good stability in the transportation process. And the concrete is poured into the rectangular cylindrical steel plate structure during site construction, so that the connection strength is high and the reliability is high.
The stud is in threaded connection with the channel steel and is poured into the concrete in the rectangular cylindrical steel plate structure, so that the shear strength of the channel steel is enhanced.
In conclusion, the invention has reasonable design, compact structure and high strength, avoids deformation in the carrying process, has good heat preservation effect, reduces the concrete consumption and reduces the construction cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
Fig. 3 is a left side view of fig. 1.
Detailed Description
As shown in fig. 1-3, the sandwich heat-insulating steel-concrete combined pipe structure comprises a left channel steel 1 and a right channel steel 2 which are vertically arranged, wherein the left and right opposite to each other are arranged on the notch of the left channel steel 1 and the notch of the right channel steel 2, a front steel plate 3 is welded between the front sides of the left channel steel 1 and the right channel steel 2, a rear steel plate 4 is welded between the rear sides of the left channel steel 1 and the right channel steel 2, the left channel steel 1, the right channel steel 2, the front steel plate 3 and the rear steel plate 4 form a rectangular cylindrical steel plate structure, a foam heat-insulating plate 5 is filled between the front steel plate 3 and the rear steel plate 4, the thickness of the foam heat-insulating plate 5 is equal to the distance between the front steel plate 3 and the rear steel plate 4, vertical pouring channels 6 are respectively arranged between the left side of the foam heat-insulating plate 5 and the left channel steel 1 and between the right side of the foam heat-insulating plate 5 and the right channel steel 2, a plurality of screw holes are correspondingly formed in the front steel plate 3 and the rear steel plate 4, screw 7 is connected with in the screw hole screw thread, the front side of preceding steel sheet 3 and the rear side of back steel sheet 4 are stretched out respectively at the both ends of screw 7, screw 7 that corresponds with foam heated board 5 passes foam heated board 5, be provided with a plurality of pegs 8 along the horizontal direction on left channel-section steel 1 and the right channel-section steel 2, left peg 8 right-hand member passes left channel-section steel 1 and stretches into left vertical pouring passageway 6, right peg 8 left end passes right channel-section steel 2 stretches into right vertical pouring passageway 6, the outer end connection of all pegs 8 and all screws 7 has reinforcing bar net piece 9, the shape of reinforcing bar net piece 9 cross section and the shape of rectangular tube-shape steel sheet structure is similar, the outsourcing concrete layer 10 including reinforcing bar net piece 9, peg 8 and screw 7 are pre-buried has been pour to the outside of rectangular tube-shape steel sheet structure.
All be provided with wall beam joint point on left channel-section steel 1 and the right channel-section steel 2, every wall beam joint point all includes a bundle of pre-buried muscle 11 that sets up along left and right directions level, rectangular hole has all been seted up on left channel-section steel 1 and the right channel-section steel 2, this bundle of pre-buried muscle 11 wears to establish in rectangular hole, recess 12 that is used for holding pre-buried muscle 11 has been seted up to the lateral part of foam heated board 5, the inner of pre-buried muscle 11 passes vertical pouring passageway 6 and stretches into in the recess 12, the outer fixedly connected with connecting plate 13 of pre-buried muscle 11, pre-buried muscle 11 and connecting plate 13 that is located left channel-section steel 1 or right channel-section steel 2 outside all pre-buried in outer concrete layer 10, the outward side of connecting plate 13 flushes with outer concrete layer 10's left side or right side.
A plurality of unthreaded holes are correspondingly formed between the front steel plate 3 and the rear steel plate 4, the number of unthreaded holes is smaller than that of threaded holes, the diameter of each unthreaded hole is larger than that of each threaded hole, reinforcing steel pipes 14 are arranged between the corresponding unthreaded holes in a penetrating mode, the front ends and the rear ends of the reinforcing steel pipes 14 are welded with the rear side face and the right steel plate of the front steel plate 3 respectively, and all the reinforcing steel pipes 14 penetrate through the foam heat-insulating plate 5.
The top of the foam insulation board 5 is lower than the upper port of the rectangular cylindrical steel plate structure, and the bottom of the rectangular cylindrical steel plate structure is higher than the lower port of the rectangular cylindrical steel plate structure.
The left peg 8 is in threaded connection with the left channel steel 1, and the right peg 8 is in threaded connection with the channel steel.
The processing and manufacturing method of the sandwich heat-insulating steel concrete composite pipe structure comprises the following steps:
(1) Screw holes are formed in the left channel steel 1, the right channel steel 2, the front steel plate 3 and the rear steel plate 4, rectangular holes are formed in the set positions of the left channel steel 1 and the right channel steel 2, grooves 12 corresponding to the rectangular holes are formed in the side parts of the foam insulation boards 5, a plurality of fine holes and rough holes are drilled in the foam insulation boards 5, and the drilled holes are correspondingly arranged with the screw holes in the front steel plate 3 and the rear steel plate 4;
(2) The left channel steel 1 and the right channel steel 2 are vertically and oppositely arranged, and a rear steel plate 4 is welded between the rear sides of the left channel steel 1 and the right channel steel 2;
(3) A foam heat-insulating plate 5 is arranged on the front side surface of the rear steel plate 4, the rear side surface of the foam heat-insulating plate 5 is adhered to the front side surface of the rear steel plate 4 through glue solution, so that grooves 12 correspond to rectangular holes left and right, fine holes correspond to threaded holes on the rear steel plate 4 one by one, coarse holes correspond to unthreaded holes one by one, and vertical pouring channels 6 are reserved;
(4) Coating glue on the front side surface of the foam heat-insulating plate 5, placing a front steel plate 3 between the front sides of the left channel steel 1 and the right channel steel 2, enabling threaded holes and unthreaded holes on the front steel plate 3 to correspond to the fine holes and the rough holes on the foam heat-insulating plate 5 respectively, and welding the left side and the right side of the front steel plate 3 to the left channel steel 1 and the right channel steel 2 respectively;
(5) Then penetrating a screw rod 7 into the threaded hole, wherein the front end and the rear end of the screw rod 7 respectively extend out of the front steel plate 3 and the rear steel plate 4 and have the same extending length, penetrating a reinforced steel pipe 14 into the unthreaded hole, respectively welding the front end and the rear end of the reinforced steel pipe 14 on the front steel plate 3 and the rear steel plate 4, and enabling the protruding lengths of the front steel plate 3 and the rear steel plate 4 at the two ends of the reinforced steel pipe 14 to be 1-3cm;
(6) The prefabricated connecting plate 13 and the embedded ribs 11 penetrate through rectangular holes and extend into the grooves 12, and the bolts 8 are connected in threaded holes in the left channel steel 1 and the right channel steel 2 in a threaded manner, so that the distances between the bolts 8 protruding out of the left channel steel 1 and the right channel steel 2 are equal;
(7) The steel bar meshes 9 are arranged at the outer ends of the bolts 8 and the screw rods 7, templates are arranged outside the steel bar meshes 9, the concrete is poured to pre-embed the steel bar meshes 9, the bolts 8, the screw rods 7 and the pre-embedded bars 11, and the templates are disassembled after solidification to form the outer-covered concrete layer 10.
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 (4)
1. Sandwich heat preservation steel concrete composite pipe structure, its characterized in that: the steel plate structure comprises a left channel steel and a right channel steel which are vertically arranged, wherein a notch of the left channel steel and a notch of the right channel steel are oppositely arranged left and right, a front steel plate is welded between the front sides of the left channel steel and the right channel steel, a rear steel plate is welded between the rear sides of the left channel steel and the right channel steel, the left channel steel, the right channel steel, the front steel plate and the rear steel plate form a rectangular cylindrical steel plate structure, a foam insulation plate is filled between the front steel plate and the rear steel plate, the thickness of the foam insulation plate is equal to the distance between the front steel plate and the rear steel plate, vertical pouring channels are respectively arranged between the left side of the foam insulation plate and the left channel steel and between the right side of the foam insulation plate and the right channel steel, a plurality of threaded holes are correspondingly formed in the front steel plate and the rear steel plate, threaded holes are connected with screws in threaded connection, two ends of the screws respectively extend out of the front side of the front steel plate and the rear side of the rear steel plate, the screws corresponding to the foam insulation plate penetrate through the foam insulation plate, a plurality of studs are arranged on the left channel steel plate and the right channel steel plate along the horizontal direction, the right ends of the left side of the studs penetrate through the left channel steel plate and extend into the vertical channel steel channels on the left side, the left ends of the studs penetrate through the right side of the vertical channel steel plate and extend into the vertical channel steel channels on the right side, vertical pouring channels on the right side, vertical channels, vertical pouring channels and the front ends of the front ends and the left ends extend into the left steel channels and the left steel and the front steel structure, and the steel structure and have the cross-bar structure and have the shape of the steel bar structure and steel bar and steel structure and are connected with the steel bars and steel bar;
Wall beam connecting points are arranged on the left channel steel and the right channel steel, each wall beam connecting point comprises a bundle of embedded bars horizontally arranged along the left-right direction, rectangular holes are formed in the left channel steel and the right channel steel, the bundles of embedded bars penetrate through the rectangular holes, grooves for accommodating the embedded bars are formed in the side parts of the foam insulation boards, the inner ends of the embedded bars penetrate through the vertical pouring channels and extend into the grooves, the outer ends of the embedded bars are fixedly connected with connecting plates, the embedded bars and the connecting plates which are positioned outside the left channel steel or the right channel steel are embedded in the outer concrete layer, and the outer side surfaces of the connecting plates are flush with the left side surface or the right side surface of the outer concrete layer;
A plurality of unthreaded holes are correspondingly formed between the front steel plate and the rear steel plate, the number of unthreaded holes is smaller than that of the threaded holes, the diameter of each unthreaded hole is larger than that of the threaded hole, reinforcing steel pipes are arranged between the corresponding unthreaded holes in a penetrating mode, the front ends and the rear ends of the reinforcing steel pipes are welded with the rear side face of the front steel plate and the rear steel plate respectively, and all the reinforcing steel pipes penetrate through the foam heat-insulating plate.
2. The sandwich insulation steel concrete composite pipe structure of claim 1, wherein: the top of the foam heat-insulating plate is lower than the upper port of the rectangular cylindrical steel plate structure, and the bottom of the foam heat-insulating plate is higher than the lower port of the rectangular cylindrical steel plate structure.
3. The sandwich insulation steel concrete composite pipe structure of claim 2, wherein: the left peg is in threaded connection with the left channel steel, and the right peg is in threaded connection with the right channel steel.
4. The method for manufacturing the sandwich insulation steel concrete composite pipe structure according to claim 3, which is characterized in that: the method comprises the following steps:
(1) Screw holes are formed in the left channel steel, the right channel steel, the front steel plate and the rear steel plate, rectangular holes are formed in set positions of the left channel steel and the right channel steel, grooves corresponding to the rectangular holes are formed in the side parts of the foam heat-insulating plate, a plurality of fine holes and rough holes are drilled in the foam heat-insulating plate, and the drill holes are correspondingly arranged with the screw holes in the front steel plate and the rear steel plate;
(2) Vertically and oppositely arranging the left channel steel and the right channel steel, and welding a rear steel plate between the rear sides of the left channel steel and the right channel steel;
(3) A foam heat-insulating plate is arranged on the front side surface of the rear steel plate, the rear side surface of the foam heat-insulating plate is adhered to the front side surface of the rear steel plate through glue solution, so that the grooves correspond to rectangular holes left and right, fine holes correspond to threaded holes on the rear steel plate one by one, coarse holes correspond to unthreaded holes one by one, and vertical pouring channels are reserved;
(4) Coating glue on the front side of the foam heat-insulating plate, placing a front steel plate between the front sides of the left channel steel and the right channel steel, enabling threaded holes and unthreaded holes on the front steel plate to correspond to the fine holes and the rough holes on the foam heat-insulating plate respectively, and welding the left side and the right side of the front steel plate to the left channel steel and the right channel steel respectively;
(5) Penetrating a screw into the threaded hole, wherein the front end and the rear end of the screw respectively extend out of the front steel plate and the rear steel plate and have the same extending length, penetrating a reinforced steel pipe into the unthreaded hole, respectively welding the front end and the rear end of the reinforced steel pipe onto the front steel plate and the rear steel plate, and enabling the protruding lengths of the front steel plate and the rear steel plate at the two ends of the reinforced steel pipe to be 1-3cm;
(6) Penetrating the prefabricated connecting plate and the prefabricated embedded ribs into the grooves through rectangular holes, and connecting bolts in threaded holes in the left channel steel and the right channel steel by threads so that the distances between the bolts protruding out of the left channel steel and the right channel steel are equal;
(7) Arranging a reinforcing mesh at the outer ends of the pegs and the screw rods, arranging a template outside the reinforcing mesh, pouring concrete to pre-embed the reinforcing mesh, the pegs, the screw rods and the pre-embedded bars, and disassembling the template after solidification to form an outer-covered concrete layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910273262.8A CN109944349B (en) | 2019-04-04 | 2019-04-04 | Sandwich heat-insulating steel concrete combined pipe structure and processing and manufacturing method thereof |
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| CN201910273262.8A CN109944349B (en) | 2019-04-04 | 2019-04-04 | Sandwich heat-insulating steel concrete combined pipe structure and processing and manufacturing method thereof |
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| CN109944349B true CN109944349B (en) | 2024-05-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201459953U (en) * | 2009-06-05 | 2010-05-12 | 陈云 | Thermal-insulation combined shear wall with double-layer steel plates |
| CN107989238A (en) * | 2017-12-13 | 2018-05-04 | 刘家宇 | A kind of cast-in-place sandwiched heat-preservation shear wall structure, assembled architecture and engineering method |
| CN108487545A (en) * | 2018-04-26 | 2018-09-04 | 河南绿建建筑科技有限公司 | End heavier-duty steel concrete compound tube |
| CN210049428U (en) * | 2019-04-04 | 2020-02-11 | 河南绿建建筑科技有限公司 | Sandwich heat-insulating steel concrete composite pipe structure |
-
2019
- 2019-04-04 CN CN201910273262.8A patent/CN109944349B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201459953U (en) * | 2009-06-05 | 2010-05-12 | 陈云 | Thermal-insulation combined shear wall with double-layer steel plates |
| CN107989238A (en) * | 2017-12-13 | 2018-05-04 | 刘家宇 | A kind of cast-in-place sandwiched heat-preservation shear wall structure, assembled architecture and engineering method |
| CN108487545A (en) * | 2018-04-26 | 2018-09-04 | 河南绿建建筑科技有限公司 | End heavier-duty steel concrete compound tube |
| CN210049428U (en) * | 2019-04-04 | 2020-02-11 | 河南绿建建筑科技有限公司 | Sandwich heat-insulating steel concrete composite pipe structure |
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