CN207959224U - A kind of prefabricated pile extension cast-in-place node anchor structure of foundation pit enclosure structure - Google Patents
A kind of prefabricated pile extension cast-in-place node anchor structure of foundation pit enclosure structure Download PDFInfo
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- CN207959224U CN207959224U CN201721407517.8U CN201721407517U CN207959224U CN 207959224 U CN207959224 U CN 207959224U CN 201721407517 U CN201721407517 U CN 201721407517U CN 207959224 U CN207959224 U CN 207959224U
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- pile
- node
- foundation pit
- cast
- cutoff
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Abstract
The utility model discloses a kind of prefabricated pile extension cast-in-place node anchor structures of foundation pit enclosure structure, including the first pile cutoff, the second pile cutoff, pile cutoff Vertical bar connection node, node concrete, service sleeve and anchor pole, the vertical reinforcement of first pile cutoff and the second pile cutoff forms pile cutoff Vertical bar connection node using welding or mechanical connection, and service sleeve and anchor pole are set in the node concrete.In foundation pit enclosure structure work progress, anchor pole squeezes into soil layer by service sleeve, and forms overall structure with cast-in-place node concrete, enhances the stability of pile body and pile body connecting node.The structure design of the utility model is reasonable, prefabricated pile extension cast-in-place node anchor structure is configured as the detail structure of prefabricated pitching pile anchor pole monoblock type foundation pit enclosure structure construction, the bonding strength that building enclosure and soil layer are enhanced by rational Design on Plane provides good guarantee for follow-up prefabricated pitching pile technique.
Description
Technical field
The utility model is related to a kind of foundation pit enclosure structure detail structures, and in particular to a kind of foundation pit enclosure structure is prefabricated to be connect
Stake cast-in-place node anchor structure.
Background technology
In deep basal pit and other underground engineering constructions, it is commonly encountered deep foundation pit support problem, excavates that difficulty is big, the duration
It is long, costly, the 10%-20% of basic civil engineering total cost is typically constituted from, the cost of big deep-foundation pit engineering becomes up to 30%-40%
A critically important research topic in urban construction.Cause Construction of Deep Excavation Engineering cost high the type selecting of building enclosure
How one of key factor, can be under the premise of ensureing deep basal pit safe construction, and saving construction cost to the greatest extent is
We need the important directions studied, to the recyclable recycling of all or part of building enclosure, from new technical measures and work
Skill novel aspects are broken through has certain realistic meaning to reducing Construction of Deep Excavation Engineering cost.Meanwhile to ensure novel foundation pit
The reasonability of Design of Retaining Structure should reinforce the strengthening design of detail structure.
Utility model content
Purpose of utility model：Purpose of the utility model is to solve deficiencies in the prior art, provide a kind of foundation pit
The prefabricated pile extension cast-in-place node anchor structure of building enclosure, the connection that building enclosure and soil layer are enhanced by rational Design on Plane are strong
Degree provides good guarantee for follow-up prefabricated pitching pile technique.
Technical solution：The prefabricated pile extension cast-in-place node anchor structure of a kind of foundation pit enclosure structure described in the utility model, packet
Include the first pile cutoff, the second pile cutoff, pile cutoff Vertical bar connection node, node concrete, service sleeve and anchor pole, described first
The vertical reinforcement of section and the second pile cutoff forms pile cutoff Vertical bar connection node using welding or mechanical connection, and the pile cutoff is vertical
Steel bar connecting joints are covered by node concrete, and service sleeve and anchor pole are set in the node concrete, and the anchor pole passes through pre-
Bushing burying squeezes into soil layer, and forms overall structure with cast-in-place node concrete.
Further, the vertical reinforcement of first pile cutoff and the second pile cutoff is using welding or mechanical connection, splice
Area percentage is not more than 50%.
Further, the node concrete uses the concrete not less than C30 mixed with micro-expanding agent.
Further, the internal diameter of the service sleeve is bigger 5-8mm than the diameter of anchor pole.
Further, the long at least 250mm of thickness of the length of the service sleeve node concrete more cast-in-place than same orientation,
And anchor into soil layer.
Advantageous effect：The structure design of the utility model is reasonable, and prefabricated pile extension cast-in-place node-anchor structure is configured as prefabricated
The detail structure of pitching pile-anchor pole monoblock type foundation pit enclosure structure construction, building enclosure and soil layer are enhanced by rational Design on Plane
Bonding strength, provide good guarantee for follow-up prefabricated pitching pile technique.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Specific implementation mode
Technical scheme of the present invention is described in further detail with reference to specific embodiment.
A kind of prefabricated pile extension cast-in-place node anchor structure of foundation pit enclosure structure as shown in Figure 1, including the first pile cutoff 1,
Two pile cutofves 2, pile cutoff Vertical bar connection node 3, node concrete 4, service sleeve 5 and anchor pole 6, first pile cutoff 1 and
The vertical reinforcement of two pile cutofves 2 forms pile cutoff Vertical bar connection node 3, the pile cutoff vertical reinforcement using welding or mechanical connection
Connecting node 3 is covered by node concrete 4, and service sleeve 5 and anchor pole 6 are set in the node concrete 4, and the anchor pole 6 passes through
Service sleeve 5 squeezes into soil layer, and forms overall structure with cast-in-place node concrete 4.
As advanced optimizing for above-described embodiment：
Preferably, the vertical reinforcement of first pile cutoff, 1 and second pile cutoff 2 is using welding or mechanical connection, splice
Area percentage is not more than 50%.
Preferably, the node concrete 4 is using the concrete not less than C30 mixed with micro-expanding agent, and ensures coagulation
Native intensity at least improves a grade than pile body concrete strength, and the volume of micro-expanding agent is preferably 3%-5%.
Preferably, the internal diameter of the service sleeve 5 is bigger 5-8mm than the diameter of anchor pole 6；The length ratio of the service sleeve 5
Thickness with the cast-in-place node concrete 4 in orientation grows at least 250mm, and anchors into soil layer.
The structure design of the utility model is reasonable, and prefabricated pile extension cast-in-place node-anchor structure is configured as prefabricated pitching pile-anchor pole
The detail structure of monoblock type foundation pit enclosure structure construction, the connection that building enclosure and soil layer are enhanced by rational Design on Plane are strong
Degree provides good guarantee for follow-up prefabricated pitching pile technique.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (5)
1. a kind of prefabricated pile extension cast-in-place node anchor structure of foundation pit enclosure structure, it is characterised in that：Including the first pile cutoff (1),
Two pile cutofves (2), pile cutoff Vertical bar connection node (3), node concrete (4), service sleeve (5) and anchor pole (6), described first
The vertical reinforcement of pile cutoff (1) and the second pile cutoff (2) forms pile cutoff Vertical bar connection node (3) using welding or mechanical connection,
The pile cutoff Vertical bar connection node (3) is covered by node concrete (4), and service sleeve is set in the node concrete (4)
(5) and anchor pole (6), the anchor pole (6) squeeze into soil layer by service sleeve (5), and whole with cast-in-place node concrete (4) formation
Body structure.
2. the prefabricated pile extension cast-in-place node anchor structure of a kind of foundation pit enclosure structure according to claim 1, it is characterised in that：
The vertical reinforcement of first pile cutoff (1) and the second pile cutoff (2) is using welding or mechanical connection, and splice area percentage is not
More than 50%.
3. the prefabricated pile extension cast-in-place node anchor structure of a kind of foundation pit enclosure structure according to claim 1, it is characterised in that：
The node concrete (4) is using the concrete not less than C30 mixed with micro-expanding agent.
4. the prefabricated pile extension cast-in-place node anchor structure of a kind of foundation pit enclosure structure according to claim 1, it is characterised in that：
The internal diameter of the service sleeve (5) is bigger 5-8mm than the diameter of anchor pole (6).
5. the prefabricated pile extension cast-in-place node anchor structure of a kind of foundation pit enclosure structure according to claim 1, it is characterised in that：
The thickness of the length node concrete (4) more cast-in-place than same orientation of the service sleeve (5) grows at least 250mm, and anchors into soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407517.8U CN207959224U (en) | 2017-10-30 | 2017-10-30 | A kind of prefabricated pile extension cast-in-place node anchor structure of foundation pit enclosure structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407517.8U CN207959224U (en) | 2017-10-30 | 2017-10-30 | A kind of prefabricated pile extension cast-in-place node anchor structure of foundation pit enclosure structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207959224U true CN207959224U (en) | 2018-10-12 |
Family
ID=63723292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721407517.8U Expired - Fee Related CN207959224U (en) | 2017-10-30 | 2017-10-30 | A kind of prefabricated pile extension cast-in-place node anchor structure of foundation pit enclosure structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207959224U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004972A (en) * | 2019-04-18 | 2019-07-12 | 中国十七冶集团有限公司 | A kind of connection method of Retaining Wall prefabricated pile |
| CN110158644A (en) * | 2019-05-29 | 2019-08-23 | 中国十七冶集团有限公司 | A kind of prefabricated retaining wall and attaching method thereof |
| CN110241848A (en) * | 2019-06-20 | 2019-09-17 | 中国十七冶集团有限公司 | A kind of connection method of retaining wall prefabricated pile and prefabricated breast boards |
-
2017
- 2017-10-30 CN CN201721407517.8U patent/CN207959224U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004972A (en) * | 2019-04-18 | 2019-07-12 | 中国十七冶集团有限公司 | A kind of connection method of Retaining Wall prefabricated pile |
| CN110158644A (en) * | 2019-05-29 | 2019-08-23 | 中国十七冶集团有限公司 | A kind of prefabricated retaining wall and attaching method thereof |
| CN110241848A (en) * | 2019-06-20 | 2019-09-17 | 中国十七冶集团有限公司 | A kind of connection method of retaining wall prefabricated pile and prefabricated breast boards |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190604 Address after: 499 Fucheng Hong Kong Road, Funing County, Yancheng City, Jiangsu Province Patentee after: Jiangsu Shenggong Construction Group Co., Ltd. Address before: 226000 No. 87 Youth Middle Road, Nantong City, Jiangsu Province Patentee before: Jiangsu Engineering Vocational College |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20191030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |