CN105649214A - Embedded parts for steel plate-concrete structures - Google Patents
Embedded parts for steel plate-concrete structures Download PDFInfo
- Publication number
- CN105649214A CN105649214A CN201610160851.1A CN201610160851A CN105649214A CN 105649214 A CN105649214 A CN 105649214A CN 201610160851 A CN201610160851 A CN 201610160851A CN 105649214 A CN105649214 A CN 105649214A
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- CN
- China
- Prior art keywords
- steel plate
- fitting
- built
- dowel
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 222
- 239000010959 steel Substances 0.000 title claims abstract description 222
- 239000004567 concrete Substances 0.000 title claims abstract description 105
- 238000003466 welding Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 238000010008 shearing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 8
- 230000010006 flight Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 239000011150 reinforced concrete Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 abstract 1
- 230000032258 transport Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010205 computational analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
Abstract
The invention discloses embedded parts for steel plate-concrete structures and solves the problems that as the base materials of most conventional embedded parts are of reinforced concrete structures, conflict with steel bars and difficult positioning are caused during installation of the embedded parts. The steel plate-concrete structure is a novel structural format per se, and has the mechanical property and construction, much different from those of a traditional concrete structure, so that the mechanical property and the construction of the embedded parts taking the steel plate-concrete structures as the base materials are different from those of the embedded parts taking the concrete structures as the base materials. The invention provides calculation evaluation criteria, structures and construction technology of the embedded parts for the steel plate-concrete structures, and provides embedded parts of three formats, which can be flexibly selected for use according to the stress characteristics, the structural requirements and the construction characteristics of the embedded parts; the embedded parts can be precast in a modular manner in factories along with steel plates of steel plate-concrete structures, field welding and field installation are prevented, and civilized construction and economical and environmental protection are achieved accordingly.
Description
Technical field
The invention belongs to building structure technology field, be particularly used for the built-in fitting of steel plate concrete structure.
Background technology
The base material of conventional built-in fitting mostly is reinforced concrete structure, exist and conflict with reinforcing bar when built-in fitting is installed and the problem of location difficulty, steel plate concrete structure itself is a kind of novel version, mechanical property and construction have very big difference with traditional xoncrete structure, and then the built-in fitting being base material with steel plate concrete structure there is also difference with the built-in fitting mechanical property being base material with xoncrete structure and construction. Though steel plate concrete structure is existing builds example, but the specification provision about steel plate concrete structure is less, and the built-in fitting about steel plate concrete structure has no related invention, code requirement, structure and construction technology. And then along with modularity, prefabricated structural elements demand for development, particularly in some industrial projects such as power plant, get more and more for the built-in fitting in steel plate concrete structure. This invention address that above-mentioned weak point, to the built-in fitting for steel plate concrete structure, it is provided that Calculation Estimation criterion, structure and construction technology.
Summary of the invention
The present invention proposes three kinds of stress bases for the built-in fitting of steel plate concrete structure and manages and making form, and the technical scheme of invention includes, and steel plate concrete structure is as the connection of the base material of built-in fitting and described built-in fitting with steel plate concrete structure; Described steel plate concrete structure is steel plate for outside side or both sides external is concrete combinative structure form with inside; Described built-in fitting includes A type, Type B, three kinds of C type.
A type built-in fitting is made up of steel facing and dowel, and dowel directly welds with steel facing; On the steel plate of steel plate concrete, perforate is welded with the steel facing of built-in fitting, and dowel is anchored in the concrete of steel plate concrete.
Type B built-in fitting is made up of steel facing, dowel adapter, dowel, and steel facing directly welds with dowel adapter, and dowel adapter is connected with dowel; The steel facing of built-in fitting is positioned on the steel plate of steel plate concrete; Perforate on the steel plate of steel plate concrete, dowel adapter and dowel are through in the perforate on steel plate being anchored at the concrete of steel plate concrete.
C type built-in fitting is made up of steel facing, and the steel facing of built-in fitting is positioned on the steel plate of steel plate concrete, and both are connected by the angle welding of steel facing surrounding and the plug welding at middle part or slot welding; In the plug welding of steel facing or slot welding corresponding position weld stud inside the steel plate of steel plate concrete.
Further, owing to the built-in fitting computational analysis on steel plate concrete structure is without related specifications provision requirement, general limit unit method Calculation Estimation therefore should be adopted: the steel plate of the steel facing of built-in fitting and steel plate concrete adopts the VonMises stress criterion of Shell Finite Element to evaluate; The ratio of pulling force suffered by dowel and tensile bearing capacity is less than 1, and the ratio of shearing suffered by dowel and shear-carrying capacity is less than 1, it is considered to cut the dowel of the turning round dependency ratio by pulling force and shearing sum and bearing capacity less than 1.2; The ratio of concrete local compression and bearing capacity is less than 1.
Further, the loading characteristic of A type built-in fitting is, by dowel and concrete cohesive force transmission external load, dowel need to have enough anchorage lengths, and dowel can directly anchor in anchor or L-shaped bending; Or by the anchoring piece end pressure-bearing surface transmission external load of dowel, anchoring piece includes bolt anchor head, peg, perforation plug welding anchor slab, or when steel plate concrete structure both sides external is steel plate, dowel can be connected with the perforation plug welding of side, opposite steel plate or bolt. Main in order to bear pulling force or pressure, shearing, moment of flexure, moment of torsion.
Further, the loading characteristic of Type B built-in fitting is, by dowel and concrete cohesive force transmission external load, dowel need to have enough anchorage lengths, and dowel is straight anchor; Or by the anchoring piece end pressure-bearing surface transmission external load of dowel, anchoring piece includes bolt anchor head, perforation plug welding anchor slab, or when steel plate concrete structure both sides external is steel plate, dowel can be connected with the perforation plug welding of side, opposite steel plate or bolt. Main in order to bear pulling force or pressure, shearing, moment of flexure, moment of torsion.
Further, the loading characteristic of C type built-in fitting is, transmits external load by the peg inside the plug welding at the angle welding of steel facing surrounding and middle part or slot welding and correspondence position steel plate. Main in order to bear pulling force or pressure, shearing.
Further, the detailing requiments of A type built-in fitting is that steel facing is connected by butt weld with the steel plate of steel plate concrete, and as both thickness difference more than 4mm, steel facing edge is made in easy flights in the oblique angle of 1:2.5; On the steel facing corner of built-in fitting, reciprocal radius is the fillet being not less than 25mm, and the steel plate perforate also reciprocal radius of relevant position steel plate concrete is the fillet being not less than 25mm; The steel facing thickness of built-in fitting is not preferably greater than 26mm, and when dowel diameter is not more than 20mm, steel facing adopts T-shaped to weld with dowel; When dowel diameter is more than 20mm, steel facing and dowel adopt perforation plug welding.
Further, the detailing requiments of Type B built-in fitting is, is provided with the gap being not less than 5mm between steel facing and the steel plate of steel plate concrete; It is provided with, between dowel adapter and the steel plate hole of steel plate concrete on built-in fitting, the gap being not less than 15mm; The steel facing thickness of built-in fitting is not preferably less than 26mm, and steel facing is connected by groove welding+angle welding composite welds with dowel adapter, and dowel diameter should be not less than 20mm, and dowel one end is provided with screw thread and is spirally connected with dowel adapter.
Further, the detailing requiments of C type built-in fitting is, steel facing is connected by the angle welding of steel facing surrounding and the plug welding at middle part or slot welding with the steel plate of steel plate concrete;On the steel facing corner of built-in fitting, reciprocal radius is the fillet being not less than 25mm; The steel facing thickness of built-in fitting is not preferably greater than 26mm; The steel facing edge of built-in fitting is made in easy flights in the oblique angle of 1:2.5, and beveled edges thickness is identical with joint angle weld seam foot welding height herein.
Effect of the invention is that: (1) provides the Calculation Estimation criterion of the built-in fitting for steel plate concrete structure, structure and construction technology. (2) provide A type, Type B, three kinds of built-in fittings of C type, can select flexibly with built-in fitting loading characteristic, detailing requiments and construction characteristic. (3) built-in fitting for steel plate concrete structure provided, can be prefabricated in factory modularization with the steel plate of steel plate concrete structure, the problem conflicted with reinforcing bar when can avoid installing in conventional steel bar concrete structure built-in fitting, Site Welding can be avoided, on-site installation work and required additional positioning tool can be avoided, accomplish that civilized construction is with economic and environment-friendly.
Accompanying drawing explanation
Fig. 1 is A type built-in fitting plane graph
Fig. 2 is A type built-in fitting profile
Fig. 3 is Type B built-in fitting plane graph
Fig. 4 is Type B built-in fitting profile
Fig. 5 is C type built-in fitting plane graph
Fig. 6 is C type built-in fitting profile
In figure, the steel plate of 1-steel plate concrete, the steel facing of 2-built-in fitting, 3-dowel, 4-concrete, 5-butt weld, 6-fillet, 7-dowel adapter, 8-groove welding+angle welding composite welds, 9-gap, 10-plug welding, 11-angle welding, 12-peg.
Detailed description of the invention
Below in conjunction with accompanying drawing 1,2 and embodiment, A type built-in fitting of the present invention is described further.
Step 1, the steel plate 1 of the steel plate concrete that is prefabricated in the factory;
Step 2, steel facing 2 and the dowel 3 of the built-in fitting that is prefabricated in the factory, on steel facing 2 four jiaos, reciprocal radius is the fillet 6 of 25mm, steel facing 2 has welded with dowel 3 built-in fitting and has made;
Step 3, when the steel plate 1 of steel plate concrete differs more than 4mm with both steel facings 2 thickness of built-in fitting, steel facing edge is made in easy flights in the oblique angle of 1:2.5;
Step 4, after determining the position of steel facing 2 of built-in fitting on the steel plate 1 of steel plate concrete, on steel plate 1, built-in fitting is installed in perforate, and by butt weld 5, steel plate 1 is connected into entirety with steel facing 2, assembling steel plate 1 and adnexa thereof, the factory completing steel plate concrete steel plate 1 makes;
Step 5, the steel plate 1 of steel plate concrete factory completed transports to in-site installation in place, builds the concrete 4 of steel plate concrete.
Further, in conjunction with accompanying drawing 3,4 and embodiment, Type B built-in fitting of the present invention is described further.
Step 1, the steel plate 1 of the steel plate concrete that is prefabricated in the factory;
Step 2, steel facing 2 and the dowel 3 of the built-in fitting that is prefabricated in the factory, steel facing 2 is connected by groove welding+angle welding composite welds 8 with dowel adapter 7, dowel 3 and dowel adapter 7 has been threaded connection built-in fitting and has made;
Step 3, after the steel plate 1 of steel plate concrete is determined the position of dowel adapter 7 of built-in fitting, perforate on steel plate 1, dowel adapter 7 is installed built-in fitting with dowel 3 on steel plate 1 through the perforate on steel plate, steel plate 1 and dowel adapter 7 leave the space 9 of 15mm, steel plate 1 and steel facing 2 leave the gap of 5mm, assemble steel plate 1 and adnexa thereof, and the factory completing steel plate concrete steel plate 1 makes;
Step 4, the steel plate 1 of steel plate concrete factory completed transports to in-site installation in place, builds the concrete 4 of steel plate concrete.
Further, in conjunction with accompanying drawing 5,6 and embodiment, C type built-in fitting of the present invention is described further.
Step 1, the steel plate 1 of the steel plate concrete that is prefabricated in the factory;
Step 2, the steel facing 2 of the built-in fitting that is prefabricated in the factory, on steel facing 2 four jiaos, reciprocal radius is the fillet 6 of 25mm, stays the perforate setting plug welding 10 to complete built-in fitting and make on steel facing 2;
Step 3, when the steel plate 1 of steel plate concrete differs more than 4mm with both steel facings 2 thickness of built-in fitting, steel facing edge is made in easy flights in the oblique angle of 1:2.5;
Step 4, determines the position of plug welding 10 on the steel plate 1 of steel plate concrete, in the inner side weld stud 12 of plug welding 10 corresponding position steel plate 1;
Step 5, connects into entirety with steel facing 2 by the plug welding 10 at middle part and the angle welding 11 of surrounding by steel plate 1, assembles steel plate 1 and adnexa thereof, and the factory completing steel plate concrete steel plate 1 makes;
Step 5, the steel plate 1 of steel plate concrete factory completed transports to in-site installation in place, builds the concrete 4 of steel plate concrete.
Above embodiments of the invention are explained in detail, above-mentioned embodiment is only most highly preferred embodiment of the invention, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to make a variety of changes under the premise without departing from present inventive concept.
Claims (12)
1. for the built-in fitting of steel plate concrete structure, it is characterised in that include the connection of the steel plate concrete structure base material as built-in fitting and described built-in fitting and steel plate concrete structure; Described built-in fitting includes A type, Type B, three kinds of C type.
Described A type built-in fitting is made up of steel facing and dowel, and dowel directly welds with steel facing; On the steel plate of steel plate concrete, perforate is welded with the steel facing of built-in fitting, and dowel is anchored in the concrete of steel plate concrete.
Described Type B built-in fitting is made up of steel facing, dowel adapter, dowel, and steel facing directly welds with dowel adapter, and dowel adapter is connected with dowel; The steel facing of built-in fitting is positioned on the steel plate of steel plate concrete; Perforate on the steel plate of steel plate concrete, dowel adapter and dowel are through in the perforate on steel plate being anchored at the concrete of steel plate concrete.
Described C type built-in fitting is made up of steel facing, and the steel facing of built-in fitting is positioned on the steel plate of steel plate concrete, and both are connected by the angle welding of steel facing surrounding and the plug welding at middle part or slot welding; In the plug welding of steel facing or slot welding corresponding position weld stud inside the steel plate of steel plate concrete.
2. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that its Calculation Estimation criterion is: the steel plate of the steel facing of built-in fitting and steel plate concrete adopts the VonMises stress criterion of Shell Finite Element to evaluate; The ratio of pulling force suffered by dowel and tensile bearing capacity is less than 1, and the ratio of shearing suffered by dowel and shear-carrying capacity is less than 1, it is considered to cut the dowel of the turning round dependency ratio by pulling force and shearing sum and bearing capacity less than 1.2; The ratio of concrete local compression and bearing capacity is less than 1.
3. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that steel plate concrete structure is steel plate for outside side or both sides external is concrete combinative structure form with inside.
4. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that A type built-in fitting is by dowel and concrete cohesive force transmission external load, and dowel need to have enough anchorage lengths, dowel can directly anchor in anchor or L-shaped bending;Or by the anchoring piece end pressure-bearing surface transmission external load of dowel, anchoring piece includes bolt anchor head, peg, perforation plug welding anchor slab, or when steel plate concrete structure both sides external is steel plate, dowel can be connected with the perforation plug welding of side, opposite steel plate or bolt. Main in order to bear pulling force or pressure, shearing, moment of flexure, moment of torsion.
5. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that Type B built-in fitting is by dowel and concrete cohesive force transmission external load, and dowel need to have enough anchorage lengths, and dowel is straight anchor; Or by the anchoring piece end pressure-bearing surface transmission external load of dowel, anchoring piece includes bolt anchor head, perforation plug welding anchor slab, or when steel plate concrete structure both sides external is steel plate, dowel can be connected with the perforation plug welding of side, opposite steel plate or bolt. Main in order to bear pulling force or pressure, shearing, moment of flexure, moment of torsion.
6. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that C type built-in fitting is by the peg transmission external load inside the angle welding of steel facing surrounding and the plug welding at middle part or slot welding and correspondence position steel plate. Main in order to bear pressure, shearing.
7. the built-in fitting for steel plate concrete structure according to claim 1, it is characterized in that, the steel facing of A type built-in fitting is connected by butt weld with the steel plate of steel plate concrete, and as both thickness difference more than 4mm, steel facing edge is made in easy flights in the oblique angle of 1:2.5; On the steel facing corner of built-in fitting, reciprocal radius is the fillet being not less than 25mm, and the steel plate perforate also reciprocal radius of relevant position steel plate concrete is the fillet being not less than 25mm.
8. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that be provided with, between steel facing and the steel plate of steel plate concrete of Type B built-in fitting, the gap being not less than 5mm; It is provided with, between dowel adapter and the steel plate hole of steel plate concrete on built-in fitting, the gap being not less than 15mm.
9. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that the steel facing of C type built-in fitting is connected by the angle welding of steel facing surrounding and the plug welding at middle part or slot welding with the steel plate of steel plate concrete; On the steel facing corner of built-in fitting, reciprocal radius is the fillet being not less than 25mm.
10. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that the steel facing thickness of A type built-in fitting is not preferably greater than 26mm, when dowel diameter is not more than 20mm, steel facing adopts T-shaped to weld with dowel; When dowel diameter is more than 20mm, steel facing and dowel adopt perforation plug welding.
11. the built-in fitting for steel plate concrete structure according to claim 1, it is characterized in that, the steel facing thickness of Type B built-in fitting is not preferably less than 26mm, steel facing is connected by groove welding+angle welding composite welds with dowel adapter, dowel diameter should be not less than 20mm, and dowel one end is provided with screw thread and is spirally connected with dowel adapter.
12. the built-in fitting for steel plate concrete structure according to claim 1, it is characterised in that the steel facing thickness of C type built-in fitting is not preferably greater than 26mm; The steel facing edge of built-in fitting is made in easy flights in the oblique angle of 1:2.5, and beveled edges thickness is identical with joint angle weld seam foot welding height herein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160851.1A CN105649214A (en) | 2016-03-21 | 2016-03-21 | Embedded parts for steel plate-concrete structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160851.1A CN105649214A (en) | 2016-03-21 | 2016-03-21 | Embedded parts for steel plate-concrete structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649214A true CN105649214A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610160851.1A Pending CN105649214A (en) | 2016-03-21 | 2016-03-21 | Embedded parts for steel plate-concrete structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105649214A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542167A (en) * | 2016-06-29 | 2018-01-05 | 上海宝冶集团有限公司 | Girder steel connects the installation method of built-in fitting |
| CN109469212A (en) * | 2018-09-22 | 2019-03-15 | 中核能源科技有限公司 | For high temperature gas cooled reactor containment reinforcing bar dense part sleeve combination type built-in fitting |
| CN112627361A (en) * | 2019-09-23 | 2021-04-09 | 华龙国际核电技术有限公司 | Embedded part analysis method and device |
| CN113356631A (en) * | 2021-05-21 | 2021-09-07 | 郑州工业应用技术学院 | Main structure reinforcing device of high-rise building |
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| CN204919821U (en) * | 2015-09-08 | 2015-12-30 | 中国能源建设集团江苏省电力设计院有限公司 | Novel height bearing capacity built -in fitting that shears |
| CN204919829U (en) * | 2015-07-07 | 2015-12-30 | 杭州天元建筑设计研究院有限公司 | Steel plate concrete shear force wall and basic connection structure and basic built -in fitting structure |
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| JPH09203053A (en) * | 1996-01-30 | 1997-08-05 | Ube Ind Ltd | Precast reinforced concrete foundation structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542167A (en) * | 2016-06-29 | 2018-01-05 | 上海宝冶集团有限公司 | Girder steel connects the installation method of built-in fitting |
| CN109469212A (en) * | 2018-09-22 | 2019-03-15 | 中核能源科技有限公司 | For high temperature gas cooled reactor containment reinforcing bar dense part sleeve combination type built-in fitting |
| CN112627361A (en) * | 2019-09-23 | 2021-04-09 | 华龙国际核电技术有限公司 | Embedded part analysis method and device |
| CN112627361B (en) * | 2019-09-23 | 2022-03-25 | 华龙国际核电技术有限公司 | Embedded part analysis method and device |
| CN113356631A (en) * | 2021-05-21 | 2021-09-07 | 郑州工业应用技术学院 | Main structure reinforcing device of high-rise building |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160608 |