CN205604255U - Dark foundation pit retaining structure seam stagnant water planar arrangement structure - Google Patents
Dark foundation pit retaining structure seam stagnant water planar arrangement structure Download PDFInfo
- Publication number
- CN205604255U CN205604255U CN201620273855.6U CN201620273855U CN205604255U CN 205604255 U CN205604255 U CN 205604255U CN 201620273855 U CN201620273855 U CN 201620273855U CN 205604255 U CN205604255 U CN 205604255U
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- jet grouting
- grouting pile
- pressure rotary
- rotary jet
- iii
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model provides a dark foundation pit retaining structure seam stagnant water planar arrangement structure, high pressure jet grouting pile I (4), high pressure jet grouting pile III (6) and high pressure jet grouting pile's II (5) line of centres and envelope I (1) and envelope are II (2) parallel, high pressure jet grouting pile I (4), is the distance on high pressure jet grouting pile II (5) and high pressure jet grouting pile's III (6) II (2) limits of centre -to -centre spacing envelope I (1) and envelope (R 150 )Mm, wherein R is high pressure jet grouting pile I (4) respectively, high pressure jet grouting pile II (5) and high pressure jet grouting pile's III (6) radius, and high pressure jet grouting pile I (4) and high pressure jet grouting pile's II (5) center is at a distance of being 2R, high pressure jet grouting pile's III (6) the center and the line perpendicular to envelope I (1) and the envelope II (2) of envelope seam (3). The seam stagnant water among the dark foundation pit retaining structure has effectively been realized.
Description
Technical field
This utility model relates to a kind of arrangement, a kind of deep footing groove enclosing structure joint seal horizontal layout
Structure.
Background technology
Along with the economic and development of society, the underground in the exploitation in city old city, city track traffic engineering, big and medium-sized cities is empty
Between exploitation and skyscraper deep foundation pit construction get more and more, either subway station or skyscraper Extra-Deep Foundation Pit knot
Structure, uses diaphram wall, bored concrete pile+waterproof between piles or SMW engineering method stake etc. mostly.And more urban engineering geology is from upper
And it is respectively down miscellaneous fill layer, powder soil horizon, fine sand layer, coarse sands layer etc., owing to the engineering properties of these soil layers is more special；Special
Not being in the higher area of level of ground water, the joint seal of deep footing groove enclosing structure processes and is particularly important.
At present, in engineering design, the joint seal of deep footing groove enclosing structure generally uses high-pressure rotary jet grouting pile sealing, its horizontal layout
General stake is used equidistantly to intersect with stake and stake limit and the tangent structure in building enclosure limit.But, in sandy soil layer, this kind of cloth
Put that structure has the disadvantage in that 1, the construction perpendicularity precision of jet grouting pile driving machine is 1%, and the deepest deviation of reinforcement depth be the biggest,
Therefore between high-pressure rotary jet grouting pile and building enclosure, the most likely there is gap in high-pressure rotary jet grouting pile；2, spray water in sand seam geology
The high-pressure rotary jet grouting pile pile body of mud is rigidity, and when deep pit digging, deep footing groove enclosing structure can deform, rigidity
High-pressure rotary jet grouting pile is then it may happen that rupture failure, and serious affects its water stopping function；3, particularly at the sharp sand of phreatic high
In Ceng, spraying neat slurry, pile quality is poor or very difficult pile.
Summary of the invention
The purpose of this utility model is the high-pressure rotary jet grouting pile used for joint seal in existing deep footing groove enclosing structure and goes along with sb. to guard him
Likely occur between structure gap, rigidity high-pressure rotary jet grouting pile pile body it may happen that rupture failure has a strong impact on water stopping function etc. asks
Topic, it is provided that a kind of deep footing groove enclosing structure joint seal plane arrangement structure.
For achieving the above object, technical solution of the present utility model is: a kind of deep footing groove enclosing structure joint seal planar cloth
Put structure, including identical high-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile III and the high-pressure rotary jet grouting pile II being arranged in order of structure, described high pressure
Rotary churning pile I, high-pressure rotary jet grouting pile III are parallel with building enclosure I and building enclosure II with the line of centres of high-pressure rotary jet grouting pile II, high pressure
The centre-to-centre spacing building enclosure I of rotary churning pile I, high-pressure rotary jet grouting pile II and high-pressure rotary jet grouting pile III and the distance on building enclosure II limit are
(R-150) mm, wherein R is respectively high-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile II and the radius of high-pressure rotary jet grouting pile III, and high pressure rotation
The center of spray stake I and high-pressure rotary jet grouting pile II is at a distance of for 2R, and the center of high-pressure rotary jet grouting pile III is perpendicular to the line of building enclosure seam
Building enclosure I and building enclosure II.
The radius R=400mm of described high-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile II and high-pressure rotary jet grouting pile III.
By the order of described high-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile II and high-pressure rotary jet grouting pile III to high-pressure rotary jet grouting pile I, high-pressure rotary-spray
Stake II and high-pressure rotary jet grouting pile III are constructed successively.
Compared with prior art, the beneficial effects of the utility model are:
This utility model includes identical high-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile III and the high-pressure rotary jet grouting pile II being arranged in order of structure,
High-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile III are parallel with building enclosure I and building enclosure II with the line of centres of high-pressure rotary jet grouting pile II,
The centre-to-centre spacing building enclosure I of high-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile II and high-pressure rotary jet grouting pile III and the distance on building enclosure II limit are
(R-150) mm, wherein R is respectively high-pressure rotary jet grouting pile I, high-pressure rotary jet grouting pile II and the radius of high-pressure rotary jet grouting pile III, and high pressure rotation
The center of spray stake I and high-pressure rotary jet grouting pile II is at a distance of for 2R, and the center of high-pressure rotary jet grouting pile III is perpendicular to the line of building enclosure seam
Building enclosure I and building enclosure II；This kind of arrangement effectively solves the high-pressure rotary jet grouting pile and high pressure caused because of stake chance error difference
Gap between rotary churning pile and between high-pressure rotary jet grouting pile and building enclosure, thus define the cement stabilization body of lap connection, the most in fact
The joint seal in deep footing groove enclosing structure, good seepage-proof property are showed.
Accompanying drawing explanation
Fig. 1 is this utility model mesohigh rotary churning pile horizontal layout schematic diagram.
In figure, building enclosure I 1, building enclosure II 2, building enclosure seam 3, high-pressure rotary jet grouting pile I 4, high-pressure rotary jet grouting pile II 5,
High-pressure rotary jet grouting pile III 6.
Detailed description of the invention
Illustrate with detailed description of the invention, this utility model to be described in further detail below in conjunction with accompanying drawing.
See Fig. 1, a kind of deep footing groove enclosing structure joint seal plane arrangement structure, for diaphram wall joint seal,
Lower diaphragm wall and SMW engineering method stake connecting part sealing, deposited reinforced concrete pile and deposited reinforced concrete pile waterproof between piles etc.,
Including identical high-pressure rotary jet grouting pile I 4, high-pressure rotary jet grouting pile III 6 and the high-pressure rotary jet grouting pile II 5 being arranged in order of structure.Described high-pressure rotary-spray
Stake I 4, high-pressure rotary jet grouting pile II 5 and the line of centres of high-pressure rotary jet grouting pile III 6 and building enclosure I 1 and the parallel high pressure of building enclosure II 2
The centre-to-centre spacing building enclosure I 1 of rotary churning pile I 4, high-pressure rotary jet grouting pile II 5 and high-pressure rotary jet grouting pile III 6 and the distance on building enclosure II 2 limit
For (R-150) mm, wherein R is respectively high-pressure rotary jet grouting pile I 4, high-pressure rotary jet grouting pile II 5 and the radius of high-pressure rotary jet grouting pile III 6.And
The center of high-pressure rotary jet grouting pile I 4 and high-pressure rotary jet grouting pile II 5 is at a distance of for 2R, though high-pressure rotary jet grouting pile I 4 and high-pressure rotary jet grouting pile III 6
Body is tangent, and the point of contact of high-pressure rotary jet grouting pile I 4 and high-pressure rotary jet grouting pile II 5 is the center of high-pressure rotary jet grouting pile III 6.High-pressure rotary jet grouting pile
The center of III 6 is perpendicular to building enclosure I 1 and building enclosure II 2 with the line of building enclosure seam 3.
Concrete, the radius R=400mm of described high-pressure rotary jet grouting pile I 4, high-pressure rotary jet grouting pile II 5 and high-pressure rotary jet grouting pile III 6 is the highest
The stake footpath of pressure rotary-spraying stake I 4, high-pressure rotary jet grouting pile II 5 and high-pressure rotary jet grouting pile III 6 is 800mm.Therefore, high-pressure rotary jet grouting pile I 4, height
The centre-to-centre spacing building enclosure I 1 of pressure rotary-spraying stake II 5 and high-pressure rotary jet grouting pile III 6 and the distance on building enclosure II 2 limit are (R-150)
Mm=250mm；The center of high-pressure rotary jet grouting pile I 4 and high-pressure rotary jet grouting pile II 5 is apart for 2R=800mm.
Concrete, press the order of high-pressure rotary jet grouting pile I 4, high-pressure rotary jet grouting pile II 5 and high-pressure rotary jet grouting pile III 6 during construction to high-pressure rotary-spray
Stake I 4, high-pressure rotary jet grouting pile II 5 and high-pressure rotary jet grouting pile III 6 are constructed successively.
According to actually used understand, this utility model by change high-pressure rotary jet grouting pile arrangement, improve sandy soil and in
Pile quality in coarse sands layer, so make will not because of after reinforcing soil strength is higher, pile body perpendicularity deviation, pile quality
Bad cause building enclosure seam percolating water, it is ensured that deep footing groove enclosing structure joint seal quality.
In engineering reality, this utility model obtains good economic benefit and society in deep footing groove enclosing structure joint seal is constructed
Can benefit.Concrete engineering example: station, track traffic Line 1 Zhongshan Road West, Nanchang, design building enclosure is 800 thick reinforced concretes
The soil long 356m of diaphram wall, building enclosure seam 3 high-pressure rotary jet grouting pile I 4 of Φ 800, high-pressure rotary jet grouting pile II 5 and high pressure rotation
Spray stake III 6 sealing, designs a length of 64*20*3=3840m of total stake.In high-pressure rotary jet grouting pile I 4, high-pressure rotary jet grouting pile II 5 and high pressure rotation
After spray stake III 6 has been constructed 28 days, by core boring sampling, core sample is complete；Local excavation checks, pile body is complete and pile body and wall
Body is closely connected, and plasticity is preferable.Do not find ground-connecting-wall seam percolating water after excavation of foundation pit, achieve preferable economic and social benefit.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert this
Being embodied as of utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field,
Without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, said structure all should be considered as
Belong to protection domain of the present utility model.
Claims (3)
1. a deep footing groove enclosing structure joint seal plane arrangement structure, it is characterised in that: include that structure is identical and be arranged in order
High-pressure rotary jet grouting pile I (4), high-pressure rotary jet grouting pile III (6) and high-pressure rotary jet grouting pile II (5), described high-pressure rotary jet grouting pile I (4),
The line of centres of high-pressure rotary jet grouting pile III (6) and high-pressure rotary jet grouting pile II (5) and building enclosure I (1) and building enclosure II (2)
Parallel, high-pressure rotary jet grouting pile I (4), high-pressure rotary jet grouting pile II (5) and the centre-to-centre spacing building enclosure I of high-pressure rotary jet grouting pile III (6)
(1) and the distance on building enclosure II (2) limit is (R-150) mm, wherein R is respectively high-pressure rotary jet grouting pile I (4), high
Pressure rotary-spraying stake II (5) and the radius of high-pressure rotary jet grouting pile III (6), and high-pressure rotary jet grouting pile I (4) and high-pressure rotary jet grouting pile II (5)
Center at a distance of for 2R, the center of high-pressure rotary jet grouting pile III (6) is perpendicular to building enclosure with the line of building enclosure seam (3)
I (1) and building enclosure II (2).
A kind of deep footing groove enclosing structure joint seal plane arrangement structure the most according to claim 1, it is characterised in that:
Described high-pressure rotary jet grouting pile I (4), high-pressure rotary jet grouting pile II (5) and the radius R=400mm of high-pressure rotary jet grouting pile III (6).
A kind of deep footing groove enclosing structure joint seal plane arrangement structure the most according to claim 1, it is characterised in that:
By the order of described high-pressure rotary jet grouting pile I (4), high-pressure rotary jet grouting pile II (5) and high-pressure rotary jet grouting pile III (6) to high-pressure rotary jet grouting pile
I (4), high-pressure rotary jet grouting pile II (5) and high-pressure rotary jet grouting pile III (6) are constructed successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273855.6U CN205604255U (en) | 2016-04-05 | 2016-04-05 | Dark foundation pit retaining structure seam stagnant water planar arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273855.6U CN205604255U (en) | 2016-04-05 | 2016-04-05 | Dark foundation pit retaining structure seam stagnant water planar arrangement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205604255U true CN205604255U (en) | 2016-09-28 |
Family
ID=56965356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620273855.6U Expired - Fee Related CN205604255U (en) | 2016-04-05 | 2016-04-05 | Dark foundation pit retaining structure seam stagnant water planar arrangement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205604255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542097A (en) * | 2017-09-28 | 2018-01-05 | 中国建筑第八工程局有限公司 | The drainage system and its construction method of the seam crossing infiltration of deep footing groove enclosing structure |
| CN107829440A (en) * | 2017-12-06 | 2018-03-23 | 上海市机械施工集团有限公司 | Reinforcement structure and its construction method at underground continuous wall seam |
-
2016
- 2016-04-05 CN CN201620273855.6U patent/CN205604255U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542097A (en) * | 2017-09-28 | 2018-01-05 | 中国建筑第八工程局有限公司 | The drainage system and its construction method of the seam crossing infiltration of deep footing groove enclosing structure |
| CN107829440A (en) * | 2017-12-06 | 2018-03-23 | 上海市机械施工集团有限公司 | Reinforcement structure and its construction method at underground continuous wall seam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170209 Address after: 430074 Hubei city of Wuhan province East Lake Development Zone Road No. 21 Patentee after: The Fourth Engineering Co., Ltd. of China Railway 11 Civil Patentee after: China Railroad 11 Bureau Group Co., Ltd. Address before: 430074 Hubei city of Wuhan province East Lake Development Zone Road No. 21 Patentee before: The Fourth Engineering Co., Ltd. of China Railway 11 Civil |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20190405 |