CN108442385A - A kind of supporting construction of foundation pit composite pile wall - Google Patents
A kind of supporting construction of foundation pit composite pile wall Download PDFInfo
- Publication number
- CN108442385A CN108442385A CN201810448392.6A CN201810448392A CN108442385A CN 108442385 A CN108442385 A CN 108442385A CN 201810448392 A CN201810448392 A CN 201810448392A CN 108442385 A CN108442385 A CN 108442385A
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- China
- Prior art keywords
- wall
- pile
- foundation pit
- supporting construction
- armored concrete
- Prior art date
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- Pending
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 14
- 230000010485 coping Effects 0.000 claims abstract description 4
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000002362 mulch Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 21
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of supporting construction of foundation pit composite pile wall, including：Armored concrete piling wall, reinforced concrete cover plate, mini pile；The bottom of the armored concrete piling wall is set in ground, and the reinforced concrete pile coping is connect with the reinforced concrete cover plate；Mini pile described in several rows is provided with after the armored concrete piling wall, the bottom of the mini pile is set in ground, and top is connect with the reinforced concrete cover plate.The supporting construction of foundation pit composite pile wall provided by the invention; it is a kind of NEW TYPE OF COMPOSITE supporting structure system; with water sealing and seepage resistane and support retaining double effects; it is not only with good economic efficiency, and have good benefit in save Underground Space Resource, reduce land movement, protection surrounding enviroment, shorten the construction period etc..
Description
Technical field
The present invention relates to a kind of supporting construction of foundation pit, specifically, especially a kind of supporting knot of foundation pit composite pile wall
Structure.
Background technology
The China Jin20Nian Shi Development of Urban Foundation Work period the swiftest and the most violent, for urban area land used anxiety and land price
Expensive situation, developer always try to improve the space utilization benefit in soil.It is limited by plot ratio due to stretching upwards,
Thus increasing the utilization to the underground space then becomes effective selection.Deep pit digging has obtained unprecedented with support technology
Development and propulsion.
Deep foundation pit supporting structure common at present mainly has following several types：Steel sheet pile supporting, deep-layer stirring supporting, row
Stake supporting, diaphram wall, plate brad supporting, in addition also anchor pole or combined bolting and shotcrete, the supporting of arch ring supporting contrary sequence method, cantilever pile branch
Shield mode, portal jib support pattern, inner support support engineering and campshed+prestress anchorage cable etc..
Though multiple material handling method of deep foundation pit has achieved many successfully warps under national different regions, different geological conditions
Test, but it is existing there are still some problems further to study or improve, to adapt to the needs of modernization economic construction.Deep-foundation pit engineering
The problem of being usually present during supporting construction is mainly the following：1) soil layer excavates and slope retaining mismate；2) side
Slope, which is repaired, is not achieved design, code requirement mismate；3) soil nailing or rockbolt stress do not meet design requirement；4) jetting cement thickness
Not enough, design requirement is not achieved in intensity；5) work progress and the difference of design are big；6) it designs larger with engineering actual variance.
Invention content
In order to solve problems in the prior art, an embodiment of the present invention provides a kind of supporting construction of foundation pit composite pile wall.
The technical solution is as follows：
On the one hand, a kind of supporting construction of foundation pit composite pile wall is provided, including：Armored concrete piling wall, reinforced concrete
Earth mulch plate, mini pile；
The bottom of the armored concrete piling wall is set in ground, the reinforced concrete pile coping and the steel
Reinforced concrete cover board connects；Mini pile described in several rows, the bottom of the mini pile are provided with after the armored concrete piling wall
It is set in ground, top is connect with the reinforced concrete cover plate.
Further, the armored concrete piling wall is by being arranged single tube, three pipe rotary churning piles formation water-stop curtain.
Further, the supporting construction of the foundation pit composite pile wall further includes oblique anchor；The mini pile is by tiltedly anchoring into row
Anchoring.
Further, the connection that the bottom of the armored concrete piling wall passes through grouting and reinforcing and ground.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
The supporting construction of foundation pit composite pile wall provided by the invention is a kind of NEW TYPE OF COMPOSITE supporting structure system, is had only
Water is impervious and support retaining double effects, not only with good economic efficiency, and is saving Underground Space Resource, reducing soil
Position moves, surrounding enviroment, shortening construction period etc. is protected to have good benefit.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the supporting construction schematic diagram of the foundation pit composite pile wall of the embodiment of the present invention；
Fig. 2 is the stress diagram of the supporting construction of the foundation pit composite pile wall of the embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The present invention provides a kind of supporting construction of foundation pit composite pile wall, referring to Fig. 1, including：Armored concrete piling wall 1,
Reinforced concrete cover plate 2, mini pile 3；
The bottom of the armored concrete piling wall 1 is set in ground 5, the top of the armored concrete piling wall 1 and institute
State the connection of reinforced concrete cover plate 2；Mini pile 3 described in several rows, the mini pile are provided with after the armored concrete piling wall 1
3 bottom is set in ground 5, and top is connect with the reinforced concrete cover plate 2.
Further, the armored concrete piling wall 1 is by being arranged single tube, three pipe rotary churning piles formation water-stop curtain.
Further, the connection that the bottom of the armored concrete piling wall passes through grouting and reinforcing and ground.
Further, in other embodiments, the supporting construction of foundation pit composite pile wall further includes oblique anchor；The mini pile is logical
It crosses and tiltedly anchors into capable anchoring.
In the present embodiment, the stress diagram of the supporting construction of foundation pit composite pile wall is additionally provided, referring to Fig. 2, arrow in figure
Direction of the head between soil and supporting construction, dotted line are excavation slope soil body slip-crack surface.
Specifically, show to act on the soil in supporting construction according to the two of traditional earth pressure of supporting structure kinds of computational theories
Pressure generate condition be soil and water gravity, pore water pressure, seepage force influence, therefore mitigate soil and water active force or
It is the fundamental way for reducing earth pressure of supporting structure to change load path.A kind of soil, water active force can be effectively reduced if finding
Method can fundamentally reduce soil pressure, to effectively reduce weighing factor of the other factors to soil pressure distribution.After considering wall
The sphenoid ride model of side resistance is close to Coulomb theory.The supporting construction of foundation pit composite pile wall in the present embodiment is based on
State what two kinds of factors considered to be formed.The supporting construction of foundation pit composite pile wall is perpendicular by n rows after cement-soil pile water-stop curtain and wall
The basic supporting structure or combined level anchor, oblique anchor formed to paxilla, concrete coping, has sealing and the dual skill of supporting
The retaining wall technology of art effect.Major technique meaning is summarised as:1. " cement-soil pile+grouting and reinforcing soil+n arranges paxilla+bears down on one
Concrete slab ".Structure type between diaphram wall and cement-soil gravity type retaining wall, horizontal soil nail wall, vertical reinforced cob wall it
Between, belong to half just semi-flexible supporting；2. being different from gantry type reinforced cement-soil pile anchor support；3. compared with composite soil nailing wall, save
Underground Space Resource reduces land movement；4. compared with SMW engineering methods, foundation pit displacement is smaller when no horizontal anchor supports；5. with reinforcement water
Soil pile-anchor retaining is compared, and solves the problems, such as the Spatial Coupling of piling wall component.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
The supporting construction of foundation pit composite pile wall provided by the invention is a kind of NEW TYPE OF COMPOSITE supporting structure system, is had only
Water is impervious and support retaining double effects, not only with good economic efficiency, and is saving Underground Space Resource, reducing soil
Position moves, surrounding enviroment, shortening construction period etc. is protected to have good benefit.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of supporting construction of foundation pit composite pile wall, which is characterized in that including：Armored concrete piling wall, reinforced concrete earth mulch
Plate, mini pile；
The bottom of the armored concrete piling wall is set in ground, and the reinforced concrete pile coping is mixed with the reinforcing bar
Solidifying earth mulch plate connection；Mini pile described in several rows, the bottom setting of the mini pile are provided with after the armored concrete piling wall
In in ground, top is connect with the reinforced concrete cover plate.
2. the supporting construction of foundation pit composite pile wall as described in claim 1, which is characterized in that the armored concrete piling wall is logical
Cross setting single tube, three pipe rotary churning piles form water-stop curtain.
3. the supporting construction of foundation pit composite pile wall as described in claim 1, which is characterized in that the branch of the foundation pit composite pile wall
Protection structure further includes oblique anchor；The mini pile is by tiltedly anchoring into capable anchoring.
4. the supporting construction of foundation pit composite pile wall as described in claim 1, which is characterized in that the armored concrete piling wall
The connection that bottom passes through grouting and reinforcing and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810448392.6A CN108442385A (en) | 2018-05-11 | 2018-05-11 | A kind of supporting construction of foundation pit composite pile wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810448392.6A CN108442385A (en) | 2018-05-11 | 2018-05-11 | A kind of supporting construction of foundation pit composite pile wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108442385A true CN108442385A (en) | 2018-08-24 |
Family
ID=63203555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810448392.6A Pending CN108442385A (en) | 2018-05-11 | 2018-05-11 | A kind of supporting construction of foundation pit composite pile wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108442385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095617A (en) * | 2020-08-21 | 2020-12-18 | 中国建筑第八工程局有限公司 | Deep pit supporting structure in foundation pit and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202055249U (en) * | 2010-12-30 | 2011-11-30 | 江苏江中集团有限公司 | Shoring structure with combination of micro-pipe pile and composite soil nailing wall |
| CN203429660U (en) * | 2013-08-29 | 2014-02-12 | 深圳市福田建安建设集团有限公司 | Stereo stiffened rigid-flexible combined ecological retaining wall |
| CN203891032U (en) * | 2014-05-21 | 2014-10-22 | 青岛业高建设工程有限公司 | Novel supporting structure |
| CN205617353U (en) * | 2016-04-13 | 2016-10-05 | 西京学院 | Miniature compound soil nail wall that intercepts water by force |
| CN206562613U (en) * | 2017-03-03 | 2017-10-17 | 周同和 | A kind of mini pile suspension roof support structure |
| CN208201886U (en) * | 2018-05-11 | 2018-12-07 | 南华大学 | A kind of supporting construction of foundation pit composite pile wall |
-
2018
- 2018-05-11 CN CN201810448392.6A patent/CN108442385A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202055249U (en) * | 2010-12-30 | 2011-11-30 | 江苏江中集团有限公司 | Shoring structure with combination of micro-pipe pile and composite soil nailing wall |
| CN203429660U (en) * | 2013-08-29 | 2014-02-12 | 深圳市福田建安建设集团有限公司 | Stereo stiffened rigid-flexible combined ecological retaining wall |
| CN203891032U (en) * | 2014-05-21 | 2014-10-22 | 青岛业高建设工程有限公司 | Novel supporting structure |
| CN205617353U (en) * | 2016-04-13 | 2016-10-05 | 西京学院 | Miniature compound soil nail wall that intercepts water by force |
| CN206562613U (en) * | 2017-03-03 | 2017-10-17 | 周同和 | A kind of mini pile suspension roof support structure |
| CN208201886U (en) * | 2018-05-11 | 2018-12-07 | 南华大学 | A kind of supporting construction of foundation pit composite pile wall |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095617A (en) * | 2020-08-21 | 2020-12-18 | 中国建筑第八工程局有限公司 | Deep pit supporting structure in foundation pit and construction method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |