CN110004942A - A kind of large span integral supporting structure and its construction method - Google Patents
A kind of large span integral supporting structure and its construction method Download PDFInfo
- Publication number
- CN110004942A CN110004942A CN201910402488.3A CN201910402488A CN110004942A CN 110004942 A CN110004942 A CN 110004942A CN 201910402488 A CN201910402488 A CN 201910402488A CN 110004942 A CN110004942 A CN 110004942A
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- China
- Prior art keywords
- support
- arcuately
- box beam
- construction
- steel pipe
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- 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
Links
- 238000010276 construction Methods 0.000 title claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of large span integral supporting structure and its construction methods, its main feature is that crown beam or waist rail absolute altitude are equipped with the horizontal support structure of transmission rod, arcuately box beam and Two bors d's oeuveres fashioned iron or steel pipe support, the Two bors d's oeuveres fashioned iron or steel pipe support are to be welded on that both ends are arcuately horizontally-supported on the built-in fitting of box beam, have it is several with arcuately box beam and Two bors d's oeuveres fashioned iron or steel pipe support be vertical support steel column and reinforced concrete upright column；Described transmission rod one end is fixedly connected by segmented head with crown beam or waist rail, the other end and the built-in fitting of arcuately box beam weld, integral supporting structure construction includes: construction, prefabricated arcuately box beam and Two bors d's oeuveres fashioned iron or the steel pipe support splicing production of support pile, steel column and stand column pile, and sets up the construction procedures such as integral supporting structure.The present invention has in-situ precast assembly, and reusable, the advantage that engineering cost is low, work efficiency is high compared with prior art.
Description
Technical field
The present invention relates to foundation pit enclosure technical field, especially a kind of large span integral supporting structure and its construction method.
Background technique
Currently, the common support form of deep big foundation pit is substantially board-like vertical support system+horizontal struts system, it is conventional
Support system is that cast-in-situ steel reinforced concrete supports and bracing members, wherein cast-in-situ steel reinforced concrete support need to be conserved to design strength
Just can earth excavation, the construction period is longer, and support cannot reuse, certain waste of material is caused, although bracing members can
With recycling, but bracing members arrangement spacing is smaller, and earth excavation is more difficult.
Summary of the invention
The purpose of the present invention is a kind of large span integral supporting structure that designs and its apply in view of the deficiencies of the prior art
Work method, the gear using the integral supporting structure of the Two bors d's oeuveres type steel support being built up on column and arcuately box beam, for deep basal pit
Fortifield village's shield support, has in-situ precast assembled and reusable, the advantage that engineering cost is low, work efficiency is high is particularly suitable for week
Surrounding environment is complicated, and existing building is more, and excavating sideline is apart from the closer foundation pit supporting project construction of red line.
The object of the present invention is achieved like this: a kind of large span integral supporting structure, including support pile and crown beam or waist
The support system of beam combines its main feature is that crown beam or waist rail are equipped with transmission rod with arcuately box beam and Two bors d's oeuveres fashioned iron or steel pipe support
Support construction, the arcuately box beam is be welded on Two bors d's oeuveres fashioned iron or steel pipe support both ends horizontally-supported, is had several
It is the steel column of vertical support with arcuately box beam and Two bors d's oeuveres fashioned iron or steel pipe support；The reinforcing bar at steel column lower part insertion hole bottom
In concrete column stake；The transmission rod is the rod piece that fashioned iron or steel pipe make, and one end is consolidated by segmented head and crown beam or waist rail
Fixed connection, the other end and arcuately box beam Welding.
The arcuately box beam is the component that armored concrete or prestressed reinforced concrete make, and be which is provided with and transmission rod
The arcuately built-in fitting of box beam Welding.
A kind of construction method of large span integral supporting structure, its main feature is that the integral supporting structure carries out in the steps below
Construction:
1. then surveying setting-out after smooth location carries out support pile, steel column and reinforced concrete by design requirement and job specfication
Native column pile driving construction；The arcuately box beam and Two bors d's oeuveres fashioned iron of prefabricated reinforced concrete or prestressed reinforced concrete or steel pipe support
Splicing production.
2. being excavated to first of support absolute altitude, crown beam of constructing and the connection with support pile.
3. setting up first of the water combined by arcuately box beam with Two bors d's oeuveres fashioned iron or steel pipe support and segmented head and transmission rod
Flat support construction, transmission rod one end are fixedly connected by segmented head with crown beam, and the other end and the built-in fitting of arcuately box beam weld；Two bors d's oeuveres
Fashioned iron or steel pipe support both ends and the built-in fitting of arcuately box beam weld, and after support is set up, apply on the segmented head at both ends
Prestressing force.
4. being excavated to second support absolute altitude, construct waist rail and the connection with support pile.
5. 3. setting up second combined horizontal support construction by above-mentioned steps.
6. being excavated to hole bottom absolute altitude, construction cushion coat, bottom plate and bottom plate load transfering strip are simultaneously conserved.
7. removing second combined horizontal support construction after bottom plate and load transfering strip reach design strength, recycle to next time
It utilizes.
8. construction -1 floor plate of basement and floor load transfering strip are simultaneously conserved.
9. removing first of combined horizontal support knot after -1 floor plate of basement and floor load transfering strip reach design strength
Structure, recycling are utilized to next time.
10. backfilling the earthwork between support pile and outer wall of basement after the completion of basement roof construction.
The present invention has in-situ precast assembled and reusable compared with prior art, and engineering cost is low, work efficiency is high
Advantage is particularly suitable for surrounding enviroment complexity, and existing building is more, and excavating sideline is applied apart from the closer foundation pit supporting project of red line
Work.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is implementation example figure.
Specific embodiment
Refering to attached drawing 1, the present invention includes support pile 1, crown beam 2 or waist rail 3, transmission rod 5, arcuately box beam 6 and Two bors d's oeuveres fashioned iron
Or the support system of steel pipe support 7, the crown beam 2 or 3 absolute altitude of waist rail be equipped with transmission rod 5, arcuately box beam 6 and Two bors d's oeuveres fashioned iron or
The built-in fitting 10 at the combined horizontal support structure of steel pipe support 7, the Two bors d's oeuveres fashioned iron or 7 both ends of steel pipe support and arcuately box beam 6
Be welded into it is horizontally-supported, have it is several with arcuately box beam 6 and Two bors d's oeuveres fashioned iron or steel pipe support 7 be vertical support steel column
8；8 lower part of steel column is inserted in the bottom reinforced concrete upright column stake 9 below of hole；The transmission rod 5 is fashioned iron or steel pipe
The rod piece of production, one end are fixedly connected by segmented head 4 with crown beam 2 or waist rail 3, the built-in fitting 10 of the other end and arcuately box beam 6
Welding；The arcuately box beam 6 is the component that armored concrete or prestressed reinforced concrete make, which is provided with transmission rod and
The arcuately built-in fitting 10 of box beam Welding.
With the embodiment of a certain Large and Deep Foundation Pit, present invention is further described in detail and explanation below:
Embodiment 1
Refering to attached drawing 2, the present invention carries out foundation pit enclosure combined support construction in the steps below:
1. then it is mixed to carry out support pile 1, steel column 8 and reinforcing bar by design requirement and job specfication for surveying setting-out after smooth location
The construction of solidifying soil stand column pile 9；The arcuately box beam 6 and Two bors d's oeuveres fashioned iron or steel pipe of prefabricated reinforced concrete or prestressed reinforced concrete
The splicing production of support 7.
2. being excavated to first of support absolute altitude, crown beam 2 of constructing and the connection with support pile 1.
It is combined by arcuately box beam 6 with Two bors d's oeuveres fashioned iron or steel pipe support 7 and segmented head 4 and transmission rod 5 3. setting up first
Support construction, 5 one end of transmission rod is fixedly connected by segmented head 4 with crown beam 2, and the other end and the built-in fitting 10 of arcuately box beam 6 weld
It connects；Two bors d's oeuveres fashioned iron or 7 both ends of steel pipe support and the built-in fitting 10 of arcuately box beam 6 weld, after support is set up, the work at both ends
Apply prestressing force on headstall 4.
4. being excavated to second support absolute altitude, construct waist rail 3 and the connection with support pile 1.
5. 3. setting up second combined horizontal support construction by above-mentioned steps.
6. being excavated to hole bottom absolute altitude, construction cushion coat 11, bottom plate 12 and bottom plate load transfering strip 13 are simultaneously conserved.
7. after bottom plate 12 and load transfering strip 13 reach design strength, remove second combined horizontal support construction, recycling to
Next time utilizes.
8. construction -1 floor plate 15 of basement and floor load transfering strip 16 are simultaneously conserved.
9. removing first of combined horizontal branch after -1 floor plate 15 of basement and floor load transfering strip 16 reach design strength
Support structure, recycling are utilized to next time.
10. backfilling the earthwork between support pile 1 and outer wall of basement 14 after the completion of the construction of basement roof 17.
Above only the present invention is further illustrated, and not to limit this patent, all is equivalence enforcement of the present invention,
It is intended to be limited solely by within the scope of the claims of this patent.
Claims (3)
1. a kind of large span integral supporting structure, the support system including support pile and crown beam or waist rail, it is characterised in that crown beam
Or waist rail is equipped with the horizontal support structure of transmission rod with arcuately box beam and Two bors d's oeuveres fashioned iron or steel pipe support composition, the arcuately case
Beam is be welded on Two bors d's oeuveres fashioned iron or steel pipe support both ends horizontally-supported, have it is several with arcuately box beam and Two bors d's oeuveres fashioned iron or
Steel pipe support is the steel column of vertical support；In the reinforced concrete upright column stake at steel column lower part insertion hole bottom；The biography
Power bar is the rod piece that fashioned iron or steel pipe make, and one end is fixedly connected by segmented head with crown beam or waist rail, the other end and arcuately case
Beam welding.
2. large span integral supporting structure according to claim 1, it is characterised in that the arcuately box beam is armored concrete
Or the component of prestressed reinforced concrete production, it which is provided with transmission rod and the arcuately built-in fitting of box beam Welding.
3. the construction method of large span integral supporting structure described in a kind of claim 1, it is characterised in that the integral supporting structure
It constructs in the steps below:
1. then surveying setting-out after smooth location carries out support pile, steel column and reinforced concrete by design requirement and job specfication
Native column pile driving construction；The arcuately box beam and Two bors d's oeuveres fashioned iron of prefabricated reinforced concrete or prestressed reinforced concrete or steel pipe support
Splicing production；
2. being excavated to first of support absolute altitude, crown beam of constructing and the connection with support pile；
3. setting up first of horizontal branch combined by arcuately box beam with Two bors d's oeuveres fashioned iron or steel pipe support and segmented head and transmission rod
Support structure, transmission rod one end are fixedly connected by segmented head with crown beam, and the other end and the built-in fitting of arcuately box beam weld；Two bors d's oeuveres fashioned iron
Or steel pipe support both ends and the built-in fitting of arcuately box beam weld, and after support is set up, apply on the segmented head at both ends and answer in advance
Power；
4. being excavated to second support absolute altitude, construct waist rail and the connection with support pile；
5. 3. setting up second combined horizontal support construction by above-mentioned steps；
6. being excavated to hole bottom absolute altitude, construction cushion coat, bottom plate and bottom plate load transfering strip are simultaneously conserved；
7. removing second combined horizontal support construction after bottom plate and load transfering strip reach design strength, recycling is utilized to next time；
8. construction -1 floor plate of basement and floor load transfering strip are simultaneously conserved；
9. first of combined horizontal support construction is removed after -1 floor plate of basement and floor load transfering strip reach design strength,
Recycling is utilized to next time；
10. backfilling the earthwork between support pile and outer wall of basement after the completion of basement roof construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402488.3A CN110004942A (en) | 2019-05-15 | 2019-05-15 | A kind of large span integral supporting structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402488.3A CN110004942A (en) | 2019-05-15 | 2019-05-15 | A kind of large span integral supporting structure and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110004942A true CN110004942A (en) | 2019-07-12 |
Family
ID=67177007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910402488.3A Pending CN110004942A (en) | 2019-05-15 | 2019-05-15 | A kind of large span integral supporting structure and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110004942A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206592A (en) * | 2020-01-15 | 2020-05-29 | 天津大学 | Construction method of prefabricated steel-concrete combined support foundation pit supporting structure |
| CN113846652A (en) * | 2021-11-15 | 2021-12-28 | 福建路港（集团）有限公司 | Adjustable prestress stainless steel pipe arch foundation pit supporting system |
Citations (6)
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|---|---|---|---|---|
| JP2004027609A (en) * | 2002-06-25 | 2004-01-29 | Kajima Corp | Construction method for subterranean structure and subterranean structure |
| CN103696429A (en) * | 2013-12-03 | 2014-04-02 | 中铁十三局集团第三工程有限公司 | Concrete support and fish-belly sill combined supporting system of special-shaped foundation pit and construction method |
| CN105220697A (en) * | 2015-11-06 | 2016-01-06 | 无锡市大筑岩土技术有限公司 | Shaped steel and prestressed reinforced concrete combining structure support and construction method |
| CN108951618A (en) * | 2018-07-09 | 2018-12-07 | 广东工业大学 | A kind of pile-anchor retaining device and its construction method |
| CN109403342A (en) * | 2018-10-31 | 2019-03-01 | 中建局集团建设发展有限公司 | A kind of foundation pit mixing support construction and its construction method |
| CN210066772U (en) * | 2019-05-15 | 2020-02-14 | 上海智平基础工程有限公司 | Large-span combined supporting structure |
-
2019
- 2019-05-15 CN CN201910402488.3A patent/CN110004942A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004027609A (en) * | 2002-06-25 | 2004-01-29 | Kajima Corp | Construction method for subterranean structure and subterranean structure |
| CN103696429A (en) * | 2013-12-03 | 2014-04-02 | 中铁十三局集团第三工程有限公司 | Concrete support and fish-belly sill combined supporting system of special-shaped foundation pit and construction method |
| CN105220697A (en) * | 2015-11-06 | 2016-01-06 | 无锡市大筑岩土技术有限公司 | Shaped steel and prestressed reinforced concrete combining structure support and construction method |
| CN108951618A (en) * | 2018-07-09 | 2018-12-07 | 广东工业大学 | A kind of pile-anchor retaining device and its construction method |
| CN109403342A (en) * | 2018-10-31 | 2019-03-01 | 中建局集团建设发展有限公司 | A kind of foundation pit mixing support construction and its construction method |
| CN210066772U (en) * | 2019-05-15 | 2020-02-14 | 上海智平基础工程有限公司 | Large-span combined supporting structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206592A (en) * | 2020-01-15 | 2020-05-29 | 天津大学 | Construction method of prefabricated steel-concrete combined support foundation pit supporting structure |
| CN113846652A (en) * | 2021-11-15 | 2021-12-28 | 福建路港（集团）有限公司 | Adjustable prestress stainless steel pipe arch foundation pit supporting system |
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Application publication date: 20190712 |