CN206521756U - A kind of attachment structure of double steel sheet pile pattern foundation pit supporting structure node - Google Patents
A kind of attachment structure of double steel sheet pile pattern foundation pit supporting structure node Download PDFInfo
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- CN206521756U CN206521756U CN201720112163.8U CN201720112163U CN206521756U CN 206521756 U CN206521756 U CN 206521756U CN 201720112163 U CN201720112163 U CN 201720112163U CN 206521756 U CN206521756 U CN 206521756U
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- sheet pile
- steel sheet
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- waist rail
- heel row
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Abstract
The utility model is a kind of attachment structure of double steel sheet pile pattern foundation pit supporting structure node.Include front-seat steel sheet pile, heel row steel sheet pile, front-seat steel waist rail, heel row steel waist rail, coupling beam, node connecting plate, front-seat steel waist rail is installed on front-seat steel sheet pile, heel row steel sheet pile is installed on heel row steel waist rail, connected between front-seat steel waist rail and heel row steel waist rail by coupling beam, exist between front-seat steel sheet pile and front-seat steel waist rail and heel row steel sheet pile and heel row steel waist rail and be attached between construction gap, the gap by node connecting plate.The utility model can strengthen the node bonding strength of double steel sheet pile, can preferably utilize the self-strength of double steel sheet pile, so as to reach the purpose for reducing foundation pit supporting construction and surrounding enviroment deformation.
Description
Technical field
The utility model is a kind of attachment structure of double steel sheet pile pattern foundation pit supporting structure node, particularly a kind of to be based on double steel
The weak double steel sheet piling pit supporting construction node type of attachment optimized of sheet pile foundation pit supporting construction node connection.
Background technology
With developing rapidly for China's skyscraper, the scale of base pit engineering also constantly expands.Steel sheet pile is a kind of structure
Form is simple, easy construction, low construction cost, short time limit and reusable pattern foundation pit supporting structure form, so in foundation ditch branch
Engineer can be through frequently with steel sheet pile support form during shield design.And because the support stiffness of steel sheet pile is smaller, single steel sheet pile
Cantilever supporting depth is more limited.Domestic and international some scholars propose one on based on double bored concrete pile and steel sheet pile support form
Plant new supporting form-double steel sheet pile.
The use of current double steel sheet pile is used in cofferdam design of its support mostly, and the front and rear row steel sheet pile of double steel sheet pile is big
Majority uses flexible connection（Reinforcing bar drawknot is connected）.Steel sheet pile is reduced to during calculating and inter-pile soil body combines what is formed
Gravity retaining wall, such a support form node connection is weak, it is difficult to give full play to the self-strength of steel sheet pile.
The content of the invention
The purpose of this utility model is to consider above mentioned problem and provide a kind of company of double steel sheet pile pattern foundation pit supporting structure node
Binding structure.The utility model is ingenious in design, rational in infrastructure, easy construction, and cost is low, economical and practical.
The technical solution of the utility model is：The utility model is a kind of connection knot of double steel sheet pile pattern foundation pit supporting structure node
Structure, includes front-seat steel sheet pile, heel row steel sheet pile, front-seat steel waist rail, heel row steel waist rail, coupling beam, and front-seat steel waist rail is installed in
On front-seat steel sheet pile, heel row steel sheet pile is installed on heel row steel waist rail, and coupling beam is passed through between front-seat steel waist rail and heel row steel waist rail
, there is construction gap, the gap between front-seat steel sheet pile and front-seat steel waist rail and heel row steel sheet pile and heel row steel waist rail in connection
Between be attached by node connecting plate.
The utility model front and rear row steel sheet pile is connected by steel coupling beam, and each component is by being welded to connect.The utility model energy
Strengthen the node bonding strength of double steel sheet pile, the self-strength of double steel sheet pile can be preferably utilized, so as to reach reduction base
Pit supporting construction and the purpose of surrounding enviroment deformation.
Brief description of the drawings
Fig. 1 is the utility model embodiment schematic three dimensional views；
Fig. 2 is the utility model embodiment plan；
Fig. 3 is the utility model embodiment diagrammatic cross-section；
Fig. 4 is the A-A profiles in Fig. 3；
Fig. 5 is the B-B profiles in Fig. 3.
Embodiment
Embodiment：
Structural representation of the present utility model is as shown in figure 1, the utility model is a kind of double steel sheet pile pattern foundation pit supporting structure section
The attachment structure of point, includes front-seat steel sheet pile 1, heel row steel sheet pile 2, front-seat steel waist rail 3, heel row steel waist rail 4, coupling beam 5, node
Connecting plate 8, front-seat steel waist rail 3 is installed on front-seat steel sheet pile 1, and heel row steel sheet pile 2 is installed on heel row steel waist rail 4, front-seat steel
Connected between waist rail 3 and heel row steel waist rail 4 by coupling beam 5, front-seat steel sheet pile 1 and front-seat steel waist rail 3 and heel row steel sheet pile 2 with
Exist between heel row steel waist rail 4 and be attached between construction gap, the gap by node connecting plate 8.Filled i.e. between the gap
Provided with node connecting plate 8, lead between front-seat steel sheet pile 1 and front-seat steel waist rail 3 and between heel row steel sheet pile 2 and heel row steel waist rail 4
Node connecting plate 8 is crossed to connect.And after node connecting plate 8 is installed, the space between front-seat steel sheet pile 1 and front-seat steel waist rail 3
Gap between place and heel row steel sheet pile 2 and heel row steel waist rail 4 is backfilled closely knit using pea gravel concreten 9.In the present embodiment,
Above-mentioned node connecting plate 8 is steel plate.
In the present embodiment, above-mentioned node connecting plate 8 and front and rear row steel waist rail 3, heel row steel waist rail 4 and front-seat steel sheet pile 1, after
Arrange the full weld in waist rail altitude range of steel sheet pile 2.
In the present embodiment, steel corbel 7, steel corbel 7 one are also equiped between above-mentioned front-seat steel sheet pile 1 and front-seat steel waist rail 3
End is connected with front-seat steel sheet pile 1, and the other end of steel corbel 7 is connected with front-seat steel waist rail 3.The inclined shore of steel corbel 7 front row steel sheet pile 1
And front-seat steel waist rail 3.
In the present embodiment, above-mentioned steel corbel 7 is connected by welding with front-seat steel sheet pile 1 and front-seat steel waist rail 3.And ensure weldering
Stitch intensity.
In addition, being also equiped with steel corbel 7 between above-mentioned heel row steel sheet pile 2 and heel row steel waist rail 4, the one end of steel corbel 7 is with after
Row's steel sheet pile 2 is connected, and the other end of steel corbel 7 is connected with heel row steel waist rail 4.The inclined shore heel row steel sheet pile 2 of steel corbel 7 and heel row
Steel waist rail 4.In the present embodiment, above-mentioned steel corbel 7 is connected by welding with heel row steel sheet pile 2 and heel row steel waist rail 4.And ensure weldering
Stitch intensity.
In the present embodiment, above-mentioned heel row steel waist rail 4 is with coupling beam 5 using the type of attachment directly welded；Above-mentioned coupling beam 5 is with before
It is using two pieces of junction steel plates and embedded front-seat steel waist after coupling beam reliably welding in the range of coupling beam to arrange the connection between steel waist rail 3
After beam 3 with its weld after form rigid joint.
In the present embodiment, steel plate ribbed stiffener 6, heel row steel are also equiped between above-mentioned front-seat steel sheet pile 1 and front-seat steel waist rail 3
Steel plate ribbed stiffener 6 is also equiped between sheet pile 2 and heel row steel waist rail 4.
In some large-scale residential quarters buildings, 1~2 layer of basement is often set, to meet embedded depth of foundation and build
The requirement using function is built, needs to carry out pattern foundation pit supporting structure when constructing basement.Melt wound Lutao lake-lakeside family in Foshan
In mesh, most of is one layer of basement, local for two layers of basement.Pattern foundation pit supporting structure Zhou Changyue 900m, pattern foundation pit supporting structure depth about 5m,
Red line is apart from sidewall of basement about 6m.Compact in land used, the construction period is nervous and supporting area is larger and can not use interior branch
In the case of support and anchor cable, which kind of supporting construction form to become the key of problem from.Finally, consider by many-side, learn
Previous experiences are practised, and the support form of double steel plate is employed after being expounded through peer review.
The utility model learns in actual design and draws previous experiences, and carries out node to Retaining Structure with Double-row Piles
Optimization design.The design of double steel sheet pile can calculate mould using the double bored concrete pile managed in positive 7.0 Calculation of support software
Block, is calculated after carrying out equivalent stiffness conversion to double steel sheet pile and shaped steel coupling beam.And MIDAS/ is used on basis herein
GTS-NX ground finite element analysis softwares are modeled calculating, the influence to its internal force, displacement, stability and to surrounding enviroment
Carry out comprehensive analysis and control.The utility model coupling beam uses shaped steel, because coupling beam and steel sheet pile junction stress are larger, it is contemplated that
The detailing requiments of " the strong node of reinforcement, by force anchoring ", coupling beam uses to be welded to connect and take to add with steel waist rail junction to be added
The measures such as pea gravel concreten are poured between strength plate and waist rail and steel sheet pile, to improve the bonding strength of front and rear row steel sheet pile, steel
Plate ribbed stiffener enhances connection stiffness, improves the torsional rigidity of steel waist rail.
Claims (10)
1. a kind of attachment structure of double steel sheet pile pattern foundation pit supporting structure node, it is characterised in that include front-seat steel sheet pile, heel row steel
Sheet pile, front-seat steel waist rail, heel row steel waist rail, coupling beam, node connecting plate, front-seat steel waist rail are installed on front-seat steel sheet pile, heel row
Steel sheet pile is installed on heel row steel waist rail, is connected between front-seat steel waist rail and heel row steel waist rail by coupling beam, front-seat steel sheet pile with
Exist between front-seat steel waist rail and heel row steel sheet pile and heel row steel waist rail and pass through node connecting plate between construction gap, the gap
It is attached.
2. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 1, it is characterised in that above-mentioned node
Connecting plate and front and rear row steel waist rail, heel row steel waist rail and front-seat steel sheet pile, heel row steel sheet pile full weld in waist rail altitude range.
3. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 1, it is characterised in that above-mentioned front row
Steel corbel is also equiped between steel sheet pile and front-seat steel waist rail, steel corbel one end is connected with front-seat steel sheet pile, the steel corbel other end
It is connected with front-seat steel waist rail.
4. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 3, it is characterised in that above-mentioned steel ox
Leg is connected by welding with front-seat steel sheet pile and front-seat steel waist rail.
5. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 1, it is characterised in that above-mentioned heel row
Steel corbel is also equiped between steel sheet pile and heel row steel waist rail, steel corbel one end is connected with heel row steel sheet pile, the steel corbel other end
It is connected with heel row steel waist rail.
6. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 5, it is characterised in that above-mentioned steel ox
Leg passes through welding and heel row steel sheet pile and heel row steel waist rail（4）Connection.
7. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 1, it is characterised in that above-mentioned node
Connecting plate is steel plate.
8. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 1, it is characterised in that above-mentioned heel row
Steel waist rail is with coupling beam using the type of attachment directly welded；Connection between above-mentioned coupling beam and front-seat steel waist rail is in coupling beam scope
It is interior using two pieces of junction steel plates with after embedded front-seat steel waist rail after coupling beam reliably welding with its weld after form rigid joint.
9. the attachment structure of the double steel sheet pile pattern foundation pit supporting structure node according to any one of claim 1 to 8, it is characterised in that
Steel plate ribbed stiffener is also equiped between above-mentioned front-seat steel sheet pile and front-seat steel waist rail, between heel row steel sheet pile and heel row steel waist rail also
It is equiped with steel plate ribbed stiffener.
10. the attachment structure of double steel sheet pile pattern foundation pit supporting structure node according to claim 9, it is characterised in that above-mentioned front row
The gap between gap and heel row steel sheet pile and heel row steel waist rail between steel sheet pile and front-seat steel waist rail uses microlith
Concrete backfill is closely knit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720112163.8U CN206521756U (en) | 2017-02-07 | 2017-02-07 | A kind of attachment structure of double steel sheet pile pattern foundation pit supporting structure node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720112163.8U CN206521756U (en) | 2017-02-07 | 2017-02-07 | A kind of attachment structure of double steel sheet pile pattern foundation pit supporting structure node |
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| CN206521756U true CN206521756U (en) | 2017-09-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118686A (en) * | 2017-12-21 | 2018-06-05 | 上海市政工程设计研究总院（集团）有限公司 | A kind of installation method of Larsen steel sheet pile Guan Liang |
| CN111206592A (en) * | 2020-01-15 | 2020-05-29 | 天津大学 | Construction method of prefabricated steel-concrete combined support foundation pit supporting structure |
| CN112609721A (en) * | 2020-12-07 | 2021-04-06 | 中国化学工程第六建设有限公司 | Drainage method for steel sheet pile combined large-scale sewage pump |
| CN114809011A (en) * | 2022-05-05 | 2022-07-29 | 上海建工集团股份有限公司 | Full-recovery assembled foundation pit supporting structure and construction method thereof |
-
2017
- 2017-02-07 CN CN201720112163.8U patent/CN206521756U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118686A (en) * | 2017-12-21 | 2018-06-05 | 上海市政工程设计研究总院（集团）有限公司 | A kind of installation method of Larsen steel sheet pile Guan Liang |
| CN108118686B (en) * | 2017-12-21 | 2024-01-05 | 上海市政工程设计研究总院（集团）有限公司 | Method for mounting Larson steel sheet pile crown beam |
| CN111206592A (en) * | 2020-01-15 | 2020-05-29 | 天津大学 | Construction method of prefabricated steel-concrete combined support foundation pit supporting structure |
| CN112609721A (en) * | 2020-12-07 | 2021-04-06 | 中国化学工程第六建设有限公司 | Drainage method for steel sheet pile combined large-scale sewage pump |
| CN114809011A (en) * | 2022-05-05 | 2022-07-29 | 上海建工集团股份有限公司 | Full-recovery assembled foundation pit supporting structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A connection structure of double row steel sheet pile foundation pit support node Effective date of registration: 20210128 Granted publication date: 20170926 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: GUANGDONG NANHAI INTERNATIONAL ARCHITECTURAL DESIGN Co.,Ltd. Registration number: Y2021980000852 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220726 Granted publication date: 20170926 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: GUANGDONG NANHAI INTERNATIONAL ARCHITECTURAL DESIGN Co.,Ltd. Registration number: Y2021980000852 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A connection structure of double row steel sheet pile foundation pit support nodes Effective date of registration: 20220727 Granted publication date: 20170926 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: GUANGDONG NANHAI INTERNATIONAL ARCHITECTURAL DESIGN Co.,Ltd. Registration number: Y2022980011344 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |