CN103669730B - A kind of lightweight steel tube concrete superposed column for steel building and construction method - Google Patents
A kind of lightweight steel tube concrete superposed column for steel building and construction method Download PDFInfo
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- CN103669730B CN103669730B CN201310718339.0A CN201310718339A CN103669730B CN 103669730 B CN103669730 B CN 103669730B CN 201310718339 A CN201310718339 A CN 201310718339A CN 103669730 B CN103669730 B CN 103669730B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 126
- 239000010959 steel Substances 0.000 title claims abstract description 126
- 239000004567 concrete Substances 0.000 title claims abstract description 88
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 69
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 43
- 238000005336 cracking Methods 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims description 21
- 239000011440 grout Substances 0.000 claims description 17
- 239000011381 foam concrete Substances 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 11
- 239000011152 fibreglass Substances 0.000 claims description 11
- 239000011449 brick Substances 0.000 claims description 8
- 239000004793 Polystyrene Substances 0.000 claims description 7
- 229920002223 polystyrene Polymers 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000011325 microbead Substances 0.000 claims description 6
- 229920006327 polystyrene foam Polymers 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000010412 perfusion Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
The present invention relates to a kind of lightweight steel tube concrete superposed column for steel building and construction method, this lightweight steel tube concrete superposed column, comprise concrete, light heat-insulation mortar, light heat insulation blocks and the masonry mortar within inner core steel pipe, core steel pipe, light heat insulation blocks vertical layered fissure of displacement overlap joint, the horizontal outside being enclosed in core steel pipe, gap between two pieces of adjacent light heat insulation blocks is formed overall by filling masonry mortar bonding, builds light filling thermal insulation mortar between light heat insulation blocks and core steel pipe.The outer surface of light heat insulation blocks is wiped with external wall outer insulation anti-cracking protective layer.The invention solves the peripheral concrete of conventional steel concrete superposed column from great, anti-seismic performance is poor, the technical problem that coefficient of thermal conductivity is high, also solves when superposed column is installed because welding need destroy the technical problem of material that peripheral concrete causes and artificial loss.
Description
Technical field
The present invention relates to a kind of novel steel tube concrete superposed column and construction method thereof, particularly with a kind of by light heat insulation blocks for mould builds the shaping steel tube concrete superposed column of light heat-insulation mortar and construction method thereof.
Background technology
Along with the raising of people's living standard, the building that structure is safer, comfortableness is higher is increasing, on the middle and senior level, super highrise building also one of main flow becoming modern architecture, thus the application of concrete filled steel tube is also increasingly extensive, its form of structure not only effectively raises the supporting capacity of inner concrete, and overcomes the shortcoming that local yielding easily occurs steel tubular structure.Bi-material combines the simple superposition that the effect played is far longer than both, has given full play to the advantage of concrete and steel pipe.
Steel tube concrete superposed column, as the superimposed structure of one of concrete filled steel tube, both can reduce pillar section and conserve space, and also can meet the rigidity of building, intensity and shock resistance, reduce the use cost to steel pipe corrosion-proof, strengthened the fireproof performance of steel pipe.
But steel tube concrete superposed column is while widespread adoption, and its shortcoming also manifests day by day.Be mainly reflected in peripheral concrete from great, anti-seismic performance is poor, and coefficient of thermal conductivity is high.In addition, needing to destroy peripheral concrete can carry out when adopting prior welding mode to connect other steel beam column in steel work, brings inconvenience to construction.
Summary of the invention
The object of this invention is to provide a kind of lightweight steel tube concrete superposed column for steel building and construction method, solve the peripheral concrete of conventional steel concrete superposed column from great, anti-seismic performance is poor, the technical problem that coefficient of thermal conductivity is high, also needs to solve when superposed column is installed because welding need destroy the technical problem of material that peripheral concrete causes and artificial loss.
For achieving the above object, the present invention adopts following technical scheme:
A kind of lightweight steel tube concrete superposed column for steel building, the concrete comprising inner core steel pipe and be poured within core steel pipe, described lightweight steel tube concrete superposed column also comprises light heat-insulation mortar, light heat insulation blocks and masonry mortar, described light heat insulation blocks vertical layered fissure of displacement overlap joint, the horizontal outside being enclosed in core steel pipe, gap between two pieces of adjacent light heat insulation blocks is formed overall by filling masonry mortar bonding, is formed in cavity and build light filling thermal insulation mortar between light heat insulation blocks and core steel pipe.
The outer surface of described light heat insulation blocks is wiped with external wall outer insulation anti-cracking protective layer, and described anti-cracking protective layer is made up of anticracking grout and the fiberglass gridding cloth embedded in anticracking grout.
The cross section of described lightweight steel tube concrete superposed column is circular or polygon.
The cross section of described core steel pipe is rectangle or circle.
Described light heat-insulation mortar is the mixture of one or more in glue powder polyphenyl particle slurry, foam cement slurry, the composite expanded kervit microbead insulated sand slurry of cement based, granular polystyrene foam concrete slurry.
Described light heat insulation blocks is the one in granular polystyrene concrete block, foam concrete block, the composite expanded kervit microbead insulated sand slurry building block of cement based.
It is special that described anticracking grout and fiberglass gridding cloth are external wall outer insulation.
For a construction method for the lightweight steel tube concrete superposed column of steel building, comprise the steps:
Step one, the core steel pipe cut according to designing requirement in concrete filled steel tube, form core steel core concrete column at core pouring concrete within steel pipe;
Step 2, other steel structure member in core steel core concrete column and building is carried out installation be connected and fixed;
Step 3, to use masonry mortar to build light heat insulation blocks by laying bricks or stones to form exterior sheathing be enclosed in the outside of core steel pipe, every layer of light heat insulation blocks fissure of displacement overlap joint in the outside of core steel core concrete column;
Light heat-insulation mortar is built in step 4, space between core steel core concrete column and masonry mortar;
Step 5, smear anticracking grout in the outside of masonry mortar and be pressed into fiberglass gridding cloth and form external wall outer insulation anti-cracking protective layer;
Step 6, after mortar is shaping, be lightweight steel tube concrete superposed column.
Compared with prior art the present invention has following characteristics and beneficial effect:
Light heat-insulation mortar in superposed column of the present invention and light heat insulation blocks are low by light weight, micro-elasticity, coefficient of thermal conductivity and fireproof material is formed, the oeverall quality of superposed column can be reduced, improve integrally-built stress performance, reduce the use of steel structure fireproofing material, the appearance of cold-heat bridge can be reduced simultaneously, reduce concrete heat stress.
Superposed column of the present invention, without the need to carrying out the concreting outside steel core concrete column, forms entirety, without the need to form removal as building by laying bricks or stones after shaping exterior sheathing builds light heat-insulation mortar with superposed column by light heat insulation blocks.
Superposed column of the present invention is when constructing, the use location of the light heat insulation blocks of building by laying bricks or stones due to outside is flexible, can steel pipe weld with other steel beam column in steel building complete after, carry out the building construction of light heat insulation blocks and light heat-insulation mortar again, peripheral concrete need not be destroyed, without spillage of material, improve engineering efficiency.
The outside of superposed column of the present invention is wiped with the special anticracking grout of external wall outer insulation and fiberglass gridding cloth, strengthens the durability of superposed column.
Structure of the present invention is simple, and weight is little, easy construction, can be good at being connected with other components in steel building, can be widely used in steel building.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the cross sectional representation of superposed column of the present invention.
Fig. 2 is the vertical cross section schematic diagram of superposed column of the present invention.
Reference numeral: 1-core steel pipe, 2-concrete, 3-light heat-insulation mortar, 4-light heat insulation blocks, 5-masonry mortar, 6-anticracking grout, 7-fiberglass gridding cloth.
Detailed description of the invention
A kind of lightweight steel tube concrete superposed column for steel building, the concrete 2 comprising inner core steel pipe 1 and be poured within core steel pipe 1, described lightweight steel tube concrete superposed column also comprises light heat-insulation mortar 3, light heat insulation blocks 4 and masonry mortar 5, the vertical layered fissure of displacement overlap joint of described light heat insulation blocks 4, laterally be enclosed in the outside of core steel pipe 1, gap between two pieces of adjacent light heat insulation blocks 4 is formed overall by filling masonry mortar 5 bonding, formed between light heat insulation blocks 4 and core steel pipe 1 in cavity and build light filling thermal insulation mortar 3.
The outer surface of described light heat insulation blocks 4 is wiped with external wall outer insulation anti-cracking protective layer, and described anti-cracking protective layer is made up of anticracking grout 6 and the fiberglass gridding cloth 7 embedded in anticracking grout 6.
The cross section of described lightweight steel tube concrete superposed column is circular or polygon.
The cross section of described core steel pipe 1 is rectangle or circle.
Described light heat-insulation mortar 3 is the mixture of one or more in glue powder polyphenyl particle slurry, foam cement slurry, the composite expanded kervit microbead insulated sand slurry of cement based, granular polystyrene foam concrete slurry.
Described light heat insulation blocks 4 is the one in granular polystyrene concrete block, foam concrete block, the composite expanded kervit microbead insulated sand slurry building block of cement based.
It is special that described anticracking grout 6 and fiberglass gridding cloth 7 are external wall outer insulation.
Embodiment one:
Shown in Fig. 1 and Fig. 2; the lightweight steel tube concrete superposed column of steel building is made up of core steel pipe 1, concrete 2, light heat-insulation mortar 3, light heat insulation blocks 4, masonry mortar 5, anticracking grout 6, fiberglass gridding cloth 7; wherein light heat-insulation mortar 3 uses granular polystyrene foam concrete slurry; light heat insulation blocks 4 uses granular polystyrene concrete block; in the present embodiment, the cross section of lightweight steel tube concrete superposed column is square, and the cross section of core steel pipe 1 is circular.
The construction method of this lightweight steel tube concrete superposed column is as follows:
Step one, the core steel pipe 1 cut by designing requirement in concrete filled steel tube, build the strong concrete meeting standard or designing requirement in core steel pipe 1, forms steel core concrete column;
Step 2, building-site by steel core concrete column with building in other steel structure member carry out being welded and fixed;
Step 3, outside steel core concrete column, use masonry mortar 5 to build granular polystyrene concrete block by laying bricks or stones form exterior sheathing, segment heights is 250mm, and thickness is 70mm, and every layer of building block is carried out fissure of displacement overlap joint and built by laying bricks or stones;
Step 4, preparation granular polystyrene foam concrete slurry, water in the cavity be fed in the middle of steel core concrete column and granular polystyrene concrete block by the granular polystyrene foam concrete slurry made;
Step 5, to smear anticracking grout 6 that thickness is 5mm in the outside of granular polystyrene concrete block and be pressed into alkali-proof glass fiber mesh and form anti-cracking protective layer;
Step 6, shaping after be lightweight steel tube concrete superposed column.
Embodiment two:
See as shown in Figure 1 and Figure 2, the lightweight steel tube concrete superposed column of steel building is made up of steel pipe 1, concrete 2, light heat-insulation mortar 3, light heat insulation blocks 4, masonry mortar 5, anticracking grout 6, glass fiber net 7; With embodiment one unlike, wherein light heat-insulation mortar uses foam cement slurry, and light heat insulation blocks uses foam concrete block.
The construction method of this lightweight steel tube concrete superposed column is as follows:
Step one, the core steel pipe 1 cut by designing requirement in concrete filled steel tube, build the strong concrete meeting standard or designing requirement in core steel pipe 1, forms steel core concrete column;
Step 2, at building-site by other steel structure member in steel core concrete column and building by weld or alternate manner fixes;
Step 3, outside steel core concrete column, use masonry mortar 5 to build foam concrete block by laying bricks or stones form exterior sheathing, every layer of building block is carried out fissure of displacement overlap joint and is built by laying bricks or stones;
Step 4, preparation foam cement slurry, water in the cavity be fed in the middle of steel core concrete column and foam concrete block by the foam cement slurry made;
Step 5, to smear anticracking grout 6 that thickness is 5mm in the outside of foam concrete block and be pressed into alkali-proof glass fiber mesh 7 and form anti-cracking protective layer;
Step 6, shaping after be lightweight steel tube concrete superposed column.
Claims (8)
1. the lightweight steel tube concrete superposed column for steel building, the concrete (2) comprising inner core steel pipe (1) and be poured within core steel pipe (1), it is characterized in that: described lightweight steel tube concrete superposed column also comprises light heat-insulation mortar (3), light heat insulation blocks (4) and masonry mortar (5), the vertical layered fissure of displacement overlap joint of described light heat insulation blocks (4), laterally be enclosed in the outside of core steel pipe (1), gap between two pieces of adjacent light heat insulation blocks (4) is formed overall by filling masonry mortar (5) bonding, formed in cavity between light heat insulation blocks (4) and core steel pipe (1) and build light filling thermal insulation mortar (3).
2. a kind of lightweight steel tube concrete superposed column for steel building according to claim 1, it is characterized in that: the outer surface of described light heat insulation blocks (4) is wiped with external wall outer insulation anti-cracking protective layer, described anti-cracking protective layer is made up of anticracking grout (6) and the fiberglass gridding cloth (7) embedded in anticracking grout (6).
3. a kind of lightweight steel tube concrete superposed column for steel building according to claim 1, is characterized in that: the cross section of described lightweight steel tube concrete superposed column is circular or polygon.
4. a kind of lightweight steel tube concrete superposed column for steel building according to claim 1, is characterized in that: the cross section of described core steel pipe (1) is rectangle or circle.
5. a kind of lightweight steel tube concrete superposed column for steel building according to claim 1, is characterized in that: described light heat-insulation mortar (3) is glue powder polyphenyl particle slurry, the mixture of one or more in foam cement slurry, the composite expanded kervit microbead insulated sand slurry of cement based, granular polystyrene foam concrete slurry.
6. a kind of lightweight steel tube concrete superposed column for steel building according to claim 1, is characterized in that: described light heat insulation blocks (4) is granular polystyrene concrete block, one in the composite expanded kervit microbead insulated sand slurry building block of foam concrete block, cement based.
7. a kind of lightweight steel tube concrete superposed column for steel building according to claim 2, is characterized in that: it is special that described anticracking grout (6) and fiberglass gridding cloth (7) are external wall outer insulation.
8. a construction method for the lightweight steel tube concrete superposed column for steel building according to claim 1 ~ 7 any one, is characterized in that, comprise the steps:
Step one, the core steel pipe (1) cut according to designing requirement in concrete filled steel tube, in core steel pipe (1), concrete perfusion (2) forms core steel core concrete column;
Step 2, other steel structure member in core steel core concrete column and building is carried out installation be connected and fixed;
Step 3, to use masonry mortar (5) to build light heat insulation blocks (4) by laying bricks or stones to form exterior sheathing be enclosed in the outside of core steel pipe, every layer of light heat insulation blocks (4) fissure of displacement overlap joint in the outside of core steel core concrete column;
Light heat-insulation mortar (3) is built in step 4, space between core steel core concrete column and masonry mortar (5);
Step 5, smear anticracking grout (6) in the outside of masonry mortar (5) and be pressed into fiberglass gridding cloth and form external wall outer insulation anti-cracking protective layer;
Step 6, after mortar is shaping, be lightweight steel tube concrete superposed column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310718339.0A CN103669730B (en) | 2013-12-24 | 2013-12-24 | A kind of lightweight steel tube concrete superposed column for steel building and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310718339.0A CN103669730B (en) | 2013-12-24 | 2013-12-24 | A kind of lightweight steel tube concrete superposed column for steel building and construction method |
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| Publication Number | Publication Date |
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| CN103669730A CN103669730A (en) | 2014-03-26 |
| CN103669730B true CN103669730B (en) | 2015-10-07 |
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| CN201310718339.0A Expired - Fee Related CN103669730B (en) | 2013-12-24 | 2013-12-24 | A kind of lightweight steel tube concrete superposed column for steel building and construction method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264906A (en) * | 2014-09-29 | 2015-01-07 | 南京工业大学 | H-shaped section combined column with honeycomb steel web-steel pipe concrete flange |
| CN104929315B (en) * | 2015-06-15 | 2018-10-19 | 许昌学院 | A kind of civil engineering work pillar |
| CN106869172B (en) * | 2017-04-01 | 2019-01-04 | 中交第二航务工程局有限公司 | In-situ deposited prefabricated split-mounting type subway underground station construction method |
| CN106836599B (en) * | 2017-04-13 | 2024-01-12 | 青岛一建集团有限公司 | Novel anti-cracking light core mold and construction method thereof |
| CN109881799B (en) * | 2019-04-03 | 2024-08-16 | 宋书忠 | Ultralow-energy-consumption steel structure heat-insulation building system |
| CN111997264A (en) * | 2020-09-08 | 2020-11-27 | 河南城建学院 | Freeze-thaw environment resistant fiber composite recycled concrete column and preparation method thereof |
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| GB191407614A (en) * | 1914-03-26 | 1915-03-25 | Ben Morton | Improvements in or relating to Reinforced Brickwork Columns, Piers and the like. |
| CN101392564A (en) * | 2008-09-25 | 2009-03-25 | 王禄德 | Steel bone preset column building block, steel bone column and construction method thereof |
| CN102454254A (en) * | 2010-10-27 | 2012-05-16 | 源一建筑科技(上海)有限公司 | Steel building block composition post |
| CN102587527A (en) * | 2012-03-14 | 2012-07-18 | 宝钢建筑系统集成有限公司 | Steel column-coated fire-protection construction method |
| CN102888947A (en) * | 2012-11-04 | 2013-01-23 | 西安建筑科技大学 | High-elongation combined brick column and construction method thereof |
-
2013
- 2013-12-24 CN CN201310718339.0A patent/CN103669730B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191407614A (en) * | 1914-03-26 | 1915-03-25 | Ben Morton | Improvements in or relating to Reinforced Brickwork Columns, Piers and the like. |
| CN101392564A (en) * | 2008-09-25 | 2009-03-25 | 王禄德 | Steel bone preset column building block, steel bone column and construction method thereof |
| CN102454254A (en) * | 2010-10-27 | 2012-05-16 | 源一建筑科技(上海)有限公司 | Steel building block composition post |
| CN102587527A (en) * | 2012-03-14 | 2012-07-18 | 宝钢建筑系统集成有限公司 | Steel column-coated fire-protection construction method |
| CN102888947A (en) * | 2012-11-04 | 2013-01-23 | 西安建筑科技大学 | High-elongation combined brick column and construction method thereof |
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| CN103669730A (en) | 2014-03-26 |
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