CN1563606A - Method for supporting foundation trench for agitation piles of soil cement with concrete as the core - Google Patents
Method for supporting foundation trench for agitation piles of soil cement with concrete as the core Download PDFInfo
- Publication number
- CN1563606A CN1563606A CN200410014596.7A CN200410014596A CN1563606A CN 1563606 A CN1563606 A CN 1563606A CN 200410014596 A CN200410014596 A CN 200410014596A CN 1563606 A CN1563606 A CN 1563606A
- Authority
- CN
- China
- Prior art keywords
- pile
- guard
- concrete
- grade
- along
- Prior art date
- 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.)
- Granted
Links
- 239000004568 cement Substances 0.000 title claims abstract description 44
- 239000002689 soil Substances 0.000 title claims abstract description 29
- 239000004567 concrete Substances 0.000 title claims description 48
- 238000000034 method Methods 0.000 title claims description 36
- 238000013019 agitation Methods 0.000 title claims description 15
- 238000003756 stirring Methods 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000002265 prevention Effects 0.000 claims description 5
- 239000011398 Portland cement Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
- Piles And Underground Anchors (AREA)
Abstract
This invention is how to support and protect the foundation pit for cement-core-stir-pile. It contains: On the peripheral ground of the foundational pit of these piles, to produce the cement-core-stir-pile on the deep layer of the pit, use the double axes stir-pile machine in after 12 hours, plug in small core prefabricated cement piles in time, to product single line enclose retaining wall and seepage-proof heavy curtain by the mixed cement-core-piles, or according to the condition of soil's property, depth of foundation pit, and condition of buildings around the scene place, may design double or more lines enclose retaining wall and fixed them with circle beam on their tops, then product the gate-form protect and support.
Description
One, technical field
The present invention relates to construction work, specifically relate to the supporting method of architecture Foundation Pit Engineering.
Two, background technology
Though the city base pit engineering mostly is temporary work greatly; but be in the intensive area of house and lifeline engineering usually; in order to protect the normal use and the safe operation of these built construction things and structure; often need move and be limited within certain deformation values the stratum on every side that base pit engineering causes; also promptly require the horizontal movement of soil-baffling structure and the vertical sedimentation of its adjacent formations to be limited within certain standard value respectively; at present, use more support technology in China steel sheet pile is arranged; precast concrete pile; bored pile; digging hole filling pile; deep-mixed pile; rotary churning pile; diaphragm wall; steel concrete supports; shaped steel supports; soil bolt and reverse masonry method; open caisson etc.Select the deep-foundation pit engineering technical scheme mainly to consider following three aspects: 1. security reliability, the land movement that deep pit digging produces causes the distortion and the harm of surrounding buildings thing, structure, pipeline, must propose prediction and countermeasured to bring inflation under control in the design stage, and employing monitoring, monitoring means and necessary emergency measure are guaranteed the safety of foundation ditch and the safety of surrounding environment in work progress; 2. economic rationality, under safe and reliable prerequisite, be from the economic rationality of many-sided comprehensive study base pit engineerings such as duration, material, equipment, artificial and environmental protection; 3. construct convenience and duration guarantees property, satisfies convenient construction and the requirement of reduction of erection time to greatest extent under safety, economic prerequisite.Therefore, suit measures to local conditions to select the scheme of reasonably designing and constructing, and be necessary the contrast that various supporting schemes carry out quality, duration, cost according to the characteristics of each department geology, environment, execution conditions.
The support form that more often adopt in the area, Nanjing is: add the agitation pile sealing behind the castinplace pile, add support.From supporting and protection structure self-technique feasibility angle, this support technology scope of application is extremely wide, the problem that can't resolve with other support forms, generally can both solve with it, also comparatively safe reliable, cost is higher, construction period is long, have bigger construction noise and mud contamination problem but this support technology also exists.
Three, summary of the invention
1. goal of the invention
The purpose of this invention is to provide and a kind ofly can reduce cost, shorten construction period, can reduce construction noise again, stop the foundation pit supporting method of mud contamination, this method is specially adapted to the narrow place pattern foundation pit supporting structure of townsfolk compact district.
2. technical scheme
Concrete core cement soil stirring pile is timely (in 12 hours) concrete precast pile of inserting minor diameter (see figure 1) that is composited in cement mixing method.The step of concrete core cement soil stirring pile foundation pit supporting method is as follows:
(1) requires and engineering geological features according to structure, carry out the design of concrete core cement soil stirring pile foundation pit supporting construction, wherein cement mixing method should use 32.5 grades of ordinary portland cements, its incorporation can be 12%～18%, water/binder ratio 0.45～0.5, stake footpath 600～800mm, the long 10～20m that is preferably of stake overlaps 200mm mutually between pile body; The concrete core can be the preformed pile of 150～350mm length of side or diameter, and stake is long should be than short 1 meter of corresponding cement mixing method, and preformed pile exposes the agitation pile top.The supporting and protection structure of foundation ditch can be simple single form (as Fig. 2), also can form complicated double or arrange structure (as Fig. 3,4) more.
(2) special twin shaft mixing pile machine (can finish the insertion of preformed pile) is in place, along the periphery 5 of the foundation ditch 4 deep water earth agitation pile 1 of constructing successively, and in 12 hours, in time insert concrete precast pile 2 (as Fig. 2 according to designing requirement, 3,4), around foundation ditch, constitute single retaining wall and the water seepage prevention curtain structure gone along with sb. to guard him, the suitable construction continuously of the cement mixing method (comprising grid) of overlap joint, as being double or arranging form of structure more, inboard concrete core cement soil stirring pile or the cement mixing method of then first construction, the cement mixing method of the grill portion of constructing again, cement mixing method or concrete core cement soil stirring pile that construction at last effluxes, go along with sb. to guard him between the retaining wall with the grid overlap joint double or many rows, the grid spacing is 3 meters.
(3) the bear down on one construction of collar tie beam.The construction of collar tie beam of bearing down on one is the important component part of concrete core cement soil stirring pile supporting and protection structure, it is with reinforcing bar the concrete core that single or the double and many rows around the foundation ditch go along with sb. to guard him on the retaining wall to be coupled together earlier, cast fixedly with concrete then and form, the width of collar tie beam of bearing down on one is gone along with sb. to guard him the width of retaining wall with single or double and many rows, thickness is preferably 40～60cm, thereby constitutes the support form with portal structures jointly by the grid of double or many gears cob wall and overlap joint and the collar tie beam that bears down on one.
(4) digging the open drain in foundation ditch bottom adds sump and carries out precipitation.
The concrete core cement soil stirring pile foundation pit supporting method, be to go along with sb. to guard him the supporting and protection structure form that soil-baffling structure and two kinds of functions of water seepage prevention curtain combine, the cement soil wall that cement mixing method overlaps formation has mutually played the effect of water proof curtain wall and gravity retaining wall, and concrete precast pile concrete core mainly bears moment of flexure and shearing that water-soil pressure and other load form retaining wall.
3. beneficial effect
Concrete core cement soil stirring pile adds after having castinplace pile the wide advantage of agitation pile sealing support form applicability as support form, still has following advantage: 1. concrete core cement soil stirring pile stirs construction and the insertion of concrete core, mud-less pollution in position; 2. because the agitation pile and the concrete core of concrete core cement soil stirring pile are coaxial, so be specially adapted to the narrow place base pit engineering of townsfolk compact district, center line can be constructed from the wall stone 80cm of building; 3. the construction period of concrete core cement soil stirring pile depends primarily on the speed of application of cement mixing method, and the speed of application of cement mixing method is more faster than the speed of application of castinplace pile; 4. the concrete core that inserts cement mixing method is subjected to the influence of agitation pile on every side, and its bending rigidity has certain increase, and concrete core cement soil stirring pile also need not mud and drift sand are handled especially when construction in addition, so general cost is lower.
Add agitation pile sealing support form contrast table behind concrete core cement soil stirring pile support form and the castinplace pile.
Four, description of drawings
Fig. 1 concrete core cement soil stirring pile pile body structural representation
The single concrete core cement soil stirring pile pattern foundation pit supporting structure of Fig. 2 mode
Fig. 3 double (front-seat concrete core cement soil stirring pile, back draining earth agitation pile) supporting and protection structure form
The double concrete core cement soil stirring pile supporting and protection structure of Fig. 4 form
1-cement mixing method in the accompanying drawing, 2-concrete precast pile, 3-weak soil, 4-foundation ditch, 5-excavation of foundation pit sideline, 6-grid, the 7-collar tie beam that bears down on one.
Five, embodiment
Plan to build certain high-rise apartment building; if two layers of underground garage; shear wall structure; pile foundation; north side, place (the right direction) and east side (long side direction) are near the river course; foundation ditch south; there are several multi-storey residential buildings in the west side; excavation of foundation pit must be adopted an effective measure to guarantee the safety of base pit engineering and surrounding building; but; because this foundation ditch north side and east side can't be supported near the river course; the foundation pit supporting method that adds agitation pile behind traditional castinplace pile can't be implemented; the gravity barricade is not enough because of width, also causes the unstability of excavation back barricade probably, and adopting the concrete core cement soil stirring pile foundation pit supporting method is a kind of useful trial; this engineering excavation of foundation pit degree of depth is 7.6m, foundation ditch design parameters such as following table:
| Level number | The popular name | Severe | Shear strength standard value (fixed cut soon) | Transmission coefficient | ||
| ????r ????KN/m 3 | ???C ??(kpa) | φ (degree) | ????Kv ????cm/s | ????KH ????cm/s | ||
| ??1-1 | Miscellaneous fill | ????(19.0) | ??(10) | ????(15) | ???(1.0E-4) | |
| ??1-2 | The mud quality is banketed | ????17.8 | ??17[10] | ????10.8 | ???3.07E-5 | ??4.22E-5 |
| ??1-3 | Plain fill | ????18.9 | ??23[15] | ????17.3 | ???3.88E-6 | ??1.02E-5 |
| ??2-1 | Mud matter silty clay | ????17.7 | ??18[10] | ????12.6 | ???4.93E-6 | ??8.09E-6 |
| ??2-2 | Silty clay folder silt | ????18.0 | ??22[13] | ????15.9[18] | ???3.92E-5 | ??1.45E-4 |
| ??2-3 | Mud matter silty clay-silty clay | ????18.0 | ??20[14] | ????15.9 | ???3.94E-5 | ??3.73E-5 |
Adopt the double concrete core agitation pile supporting and protection structure form (as Fig. 4) in the concrete core stirring pile pit supporting method.About two row's twin shaft deep water earth agitation piles, after 5 hours in time lining row with efflux in the cement mixing method one and adopt one to insert the precast square pile of 300mm * 300mm respectively every one mode, form double combined type concrete core cement soil stirring pile overlap mutually form go along with sb. to guard him retaining wall and water seepage prevention curtain, concrete core length is respectively 14m and 8m.Connect with grid between front and rear row, two gear cob walls and grid top are fixed with the collar tie beam that bears down on one, and constitute the support form with portal structures.The grid spacing is 3m, and the degree of depth is 15 meters, and the cement mixing method diameter is 700mm, the long 15m of stake, and pile center is apart from 1.0m, and pile body overlap joint 200mm uses 32.5 grades of ordinary portland cements, and its incorporation is 15%, water/binder ratio 0.45.Strength of the mixing pile Qu=1.0Mpa is stirred in designing requirement deeply, the collar tie beam that bears down on one is with reinforcing bar each concrete core that single or the double and many rows around the foundation ditch go along with sb. to guard him on the retaining wall to be coupled together earlier, cast with concrete at the top then and form, the wide 3.2m of collar tie beam, thick 0.5m, collar tie beam concrete grade is C20.Adopt the open drain to add sump in the hole and carry out precipitation.
Claims (5)
1. concrete core cement soil stirring pile foundation pit supporting method, its method step is as follows:
(1) along foundation ditch (4) periphery twin shaft mixing pile machine construction deep water earth agitation pile (1), and in time with concrete precast pile (2) in one insertion cement mixing method (1), constitute the combined type concrete core cement soil stirring pile and overlap the support form of going along with sb. to guard him retaining wall and water seepage prevention curtain that forms single row type mutually;
(2) beat a row or multi-row deep water earth again and mix and stir stake or combined type concrete core cement soil and stir the supporting of going along with sb. to guard him grade cob wall and water seepage prevention curtain that overlap joint mutually forms double or many rows formula at the single grade cob wall rear of going along with sb. to guard him as stated above, and go along with sb. to guard him between grade cob wall double or many rows and to overlap with grid;
(3) single row type go along with sb. to guard him grade cob wall or double and many rows formula go along with sb. to guard him grade cob wall around and the top of grid fix with the collar tie beam that bears down on one, thereby go along with sb. to guard him grade cob wall and the collar tie beam that bears down on one constitutes the support form with portal structures jointly by double or many rows that grid overlaps.
(4) digging the open drain in foundation ditch bottom adds sump and carries out precipitation.
2. foundation pit supporting method according to claim 1, it is characterized in that cement mixing method and preformed pile are coaxial, cement mixing method is 12%-18% with 32.5 grades of ordinary portland cements, its infiltration capacity, water/binder ratio 0.45-0.5, stake footpath 600-800mm, the long 10-20m of stake overlaps 200mm mutually between pile body, the concrete precast pile diameter is 150-350mm, stake is long than the short 1m of cement mixing method, exposes the agitation pile top.
3. foundation pit supporting method according to claim 1 is characterized in that above-mentioned grid is a twin shaft deep water earth agitation pile, stake footpath 600-800mm, and the long 10-20m of stake, the grid spacing is 3m.
4. foundation pit supporting method according to claim 1 is characterized in that the described collar tie beam that bears down on one, and is to be the concrete core of going along with sb. to guard him a plurality of concrete core concrete stakes on grade cob wall that preformed pile pushes up and couples together with reinforcing bar earlier, casts with concrete at the top then to form.
5. according to claim 1 and 4 described foundation pit supporting methods, the width of the collar tie beam that it is characterized in that bearing down on one is identical with the width that single or double and many rows go along with sb. to guard him grade cob wall, and its thickness is 40-60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100145967A CN1296571C (en) | 2004-04-09 | 2004-04-09 | Method for supporting foundation trench for agitation piles of soil cement with concrete as the core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100145967A CN1296571C (en) | 2004-04-09 | 2004-04-09 | Method for supporting foundation trench for agitation piles of soil cement with concrete as the core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563606A true CN1563606A (en) | 2005-01-12 |
| CN1296571C CN1296571C (en) | 2007-01-24 |
Family
ID=34478466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100145967A Expired - Fee Related CN1296571C (en) | 2004-04-09 | 2004-04-09 | Method for supporting foundation trench for agitation piles of soil cement with concrete as the core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1296571C (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386483C (en) * | 2005-11-30 | 2008-05-07 | 王平 | High-performance cement soil continuous wall construction method |
| CN100425773C (en) * | 2006-06-12 | 2008-10-15 | 中铁隧道集团有限公司 | Grille type connection method of rigid joint for underground continuous wall |
| CN101270579B (en) * | 2007-03-19 | 2010-05-19 | 上海市第一建筑有限公司 | Foundation pit guard method for expansion construction from deep foundation pit to shallow foundation pit |
| CN101503878B (en) * | 2009-03-02 | 2010-06-02 | 杭州萧宏建设集团有限公司 | Construction method for building foundation pit enclosure structure with thin-walled cylinder pile as fender post |
| CN102182192A (en) * | 2011-03-01 | 2011-09-14 | 浙江大学宁波理工学院 | Rear transverse septum type building foundation pit enclosure structure and construction method |
| CN101775800B (en) * | 2009-02-20 | 2011-11-30 | 上海强劲地基工程股份有限公司 | Cement earth pile with double functions and forming method thereof |
| CN102359096A (en) * | 2010-11-11 | 2012-02-22 | 东南大学 | Method for strengthening deep soft soil foundation by sealing |
| CN102493461A (en) * | 2011-12-09 | 2012-06-13 | 中国建筑西南勘察设计研究院有限公司 | Grate type prestressed tubular pile supporting structure |
| CN102787607A (en) * | 2012-08-28 | 2012-11-21 | 大元建业集团股份有限公司 | Deep foundation pit precipitation support construction method applicable to coastal region |
| CN102124163B (en) * | 2008-08-14 | 2012-11-21 | 李在浩 | Method for constructing a chair-type, self-supported earth retaining wall |
| CN103114599A (en) * | 2013-03-04 | 2013-05-22 | 济南城建集团有限公司 | Deep foundation pit sealed precipitation device and construction method thereof |
| CN103321210A (en) * | 2013-06-08 | 2013-09-25 | 郭红标 | Prestressed anchor cable sheet-pile wall |
| CN103806449A (en) * | 2014-02-17 | 2014-05-21 | 中交公路规划设计院有限公司 | Supporting structure of foundation pit |
| CN104074196A (en) * | 2013-03-28 | 2014-10-01 | 上海城地建设股份有限公司 | Novel composite pile enclosure structure and construction method thereof |
| CN104532855A (en) * | 2014-12-31 | 2015-04-22 | 云南建工基础工程有限责任公司 | Combined pile supporting structure in deep and thick peat soil layer |
| CN104695492A (en) * | 2015-02-13 | 2015-06-10 | 上海建工集团股份有限公司 | Method for handling dangers of cement-earth gravity-type enclosure wall in soft soil area |
| CN107842026A (en) * | 2017-12-01 | 2018-03-27 | 深圳大学 | The foundation pit supporting construction and method that a kind of horizontal ground-connecting-wall mixes with double-row pile |
| CN108360526A (en) * | 2018-02-27 | 2018-08-03 | 北京城建华夏基础建设工程有限公司 | A kind of construction method of water level for local deep foundation pit |
| CN109821874A (en) * | 2019-04-17 | 2019-05-31 | 北京建工环境修复股份有限公司 | Sealing stops vapour structure and the method with the structure assisted in situ thermal desorption soil remediation |
| CN110512615A (en) * | 2019-08-26 | 2019-11-29 | 中国十七冶集团有限公司 | A kind of assembled concrete core cement soil barricade combination supporting system and its construction method |
| CN110512616A (en) * | 2019-08-26 | 2019-11-29 | 中国十七冶集团有限公司 | A kind of girder steel connection concrete core cement soil barricade combination supporting system |
| CN110670614A (en) * | 2019-09-11 | 2020-01-10 | 中建八局第二建设有限公司 | Relay type waterproof curtain construction method |
| CN112049118A (en) * | 2020-08-05 | 2020-12-08 | 佛山科学技术学院 | Construction method of foundation pit supporting soil nailing wall |
| CN114753373A (en) * | 2022-04-13 | 2022-07-15 | 武汉国机岩土工程有限责任公司 | Construction method of water-stopping enclosure structure of soft soil foundation building foundation pit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19525590C2 (en) * | 1995-07-13 | 1999-04-29 | Zueblin Ag | Construction of an excavation pit with anchoring below the water table |
| US5595459A (en) * | 1995-10-02 | 1997-01-21 | Lomonaco; Stenis | Cofferdam for 4', 8' and 12' diameter tanks |
| CN1338543A (en) * | 2001-09-29 | 2002-03-06 | 梁炯均 | Anchor-tube guniting support of frame and its construction method |
-
2004
- 2004-04-09 CN CNB2004100145967A patent/CN1296571C/en not_active Expired - Fee Related
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386483C (en) * | 2005-11-30 | 2008-05-07 | 王平 | High-performance cement soil continuous wall construction method |
| CN100425773C (en) * | 2006-06-12 | 2008-10-15 | 中铁隧道集团有限公司 | Grille type connection method of rigid joint for underground continuous wall |
| CN101270579B (en) * | 2007-03-19 | 2010-05-19 | 上海市第一建筑有限公司 | Foundation pit guard method for expansion construction from deep foundation pit to shallow foundation pit |
| CN102124163B (en) * | 2008-08-14 | 2012-11-21 | 李在浩 | Method for constructing a chair-type, self-supported earth retaining wall |
| CN101775800B (en) * | 2009-02-20 | 2011-11-30 | 上海强劲地基工程股份有限公司 | Cement earth pile with double functions and forming method thereof |
| CN101503878B (en) * | 2009-03-02 | 2010-06-02 | 杭州萧宏建设集团有限公司 | Construction method for building foundation pit enclosure structure with thin-walled cylinder pile as fender post |
| CN102359096A (en) * | 2010-11-11 | 2012-02-22 | 东南大学 | Method for strengthening deep soft soil foundation by sealing |
| CN102182192A (en) * | 2011-03-01 | 2011-09-14 | 浙江大学宁波理工学院 | Rear transverse septum type building foundation pit enclosure structure and construction method |
| CN102493461A (en) * | 2011-12-09 | 2012-06-13 | 中国建筑西南勘察设计研究院有限公司 | Grate type prestressed tubular pile supporting structure |
| CN102493461B (en) * | 2011-12-09 | 2015-09-30 | 中国建筑西南勘察设计研究院有限公司 | A kind of grid type pile for prestressed pipe supporting and protection structure |
| CN102787607A (en) * | 2012-08-28 | 2012-11-21 | 大元建业集团股份有限公司 | Deep foundation pit precipitation support construction method applicable to coastal region |
| CN103114599A (en) * | 2013-03-04 | 2013-05-22 | 济南城建集团有限公司 | Deep foundation pit sealed precipitation device and construction method thereof |
| CN103114599B (en) * | 2013-03-04 | 2016-05-18 | 济南城建集团有限公司 | Deep basal pit sealing dewatering device and construction method thereof |
| CN104074196A (en) * | 2013-03-28 | 2014-10-01 | 上海城地建设股份有限公司 | Novel composite pile enclosure structure and construction method thereof |
| CN103321210A (en) * | 2013-06-08 | 2013-09-25 | 郭红标 | Prestressed anchor cable sheet-pile wall |
| CN103806449A (en) * | 2014-02-17 | 2014-05-21 | 中交公路规划设计院有限公司 | Supporting structure of foundation pit |
| CN104532855A (en) * | 2014-12-31 | 2015-04-22 | 云南建工基础工程有限责任公司 | Combined pile supporting structure in deep and thick peat soil layer |
| CN104695492A (en) * | 2015-02-13 | 2015-06-10 | 上海建工集团股份有限公司 | Method for handling dangers of cement-earth gravity-type enclosure wall in soft soil area |
| CN107842026A (en) * | 2017-12-01 | 2018-03-27 | 深圳大学 | The foundation pit supporting construction and method that a kind of horizontal ground-connecting-wall mixes with double-row pile |
| CN108360526A (en) * | 2018-02-27 | 2018-08-03 | 北京城建华夏基础建设工程有限公司 | A kind of construction method of water level for local deep foundation pit |
| CN109821874A (en) * | 2019-04-17 | 2019-05-31 | 北京建工环境修复股份有限公司 | Sealing stops vapour structure and the method with the structure assisted in situ thermal desorption soil remediation |
| CN109821874B (en) * | 2019-04-17 | 2023-09-29 | 北京建工环境修复股份有限公司 | Water and steam stopping structure and method for repairing in-situ thermal desorption soil by using structure |
| CN110512615A (en) * | 2019-08-26 | 2019-11-29 | 中国十七冶集团有限公司 | A kind of assembled concrete core cement soil barricade combination supporting system and its construction method |
| CN110512616A (en) * | 2019-08-26 | 2019-11-29 | 中国十七冶集团有限公司 | A kind of girder steel connection concrete core cement soil barricade combination supporting system |
| CN110670614A (en) * | 2019-09-11 | 2020-01-10 | 中建八局第二建设有限公司 | Relay type waterproof curtain construction method |
| CN110670614B (en) * | 2019-09-11 | 2021-08-03 | 中建八局第二建设有限公司 | Relay type waterproof curtain construction method |
| CN112049118A (en) * | 2020-08-05 | 2020-12-08 | 佛山科学技术学院 | Construction method of foundation pit supporting soil nailing wall |
| CN114753373A (en) * | 2022-04-13 | 2022-07-15 | 武汉国机岩土工程有限责任公司 | Construction method of water-stopping enclosure structure of soft soil foundation building foundation pit |
| CN114753373B (en) * | 2022-04-13 | 2022-11-11 | 武汉国机岩土工程有限责任公司 | Construction method of water-stopping enclosure structure of soft soil foundation building foundation pit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1296571C (en) | 2007-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1296571C (en) | Method for supporting foundation trench for agitation piles of soil cement with concrete as the core | |
| CN104110038A (en) | Construction method for large-area pit support structure in deep-sludge type soft soil area | |
| CN1958966A (en) | Underground consecutive sinking well type openweb wall body, and construction method | |
| CN104343131A (en) | Semi-prefabricated semi-cast-in-situ underground continuous wall and construction process | |
| CN104775440A (en) | Mineshaft-type underground garage deep foundation pit supporting structure | |
| CN106869138A (en) | A kind of load retaining wall Retaining Structure with Double-row Piles and its foundation ditch excavation method | |
| WO2020032453A1 (en) | Multi-wall construction supporting piles used in construction of ports, rivers, dams, and concrete buildings that can prevent inflow of soil and water, and multi-wall construction method using same supporting piles | |
| CN110424372A (en) | Along road interval method in a row remove obstacles after construct diaphram wall construction method | |
| CN212742610U (en) | Compound foundation structure of utility tunnel | |
| CN210263075U (en) | Arrange bars formula tubular pile post back slip casting internal anchor outer stagnant water support system | |
| CN112554206A (en) | PC plate beam shared by foundation pit support structure and basement outer wall and installation method thereof | |
| CN105804085A (en) | Divisional construction method of multi-unit shaft-type underground stereo garage | |
| CN105625299B (en) | A kind of wall board type Novel underground diaphragm wall and its construction method | |
| CN205399401U (en) | Novel underground continuous wall of wallboard formula | |
| CN113605368B (en) | Large-span arch bridge lattice type underground continuous wall for thick-covering-layer area and construction method | |
| CN105002912A (en) | Construction method for splicing type caisson structure based on prefabricated hollow piles | |
| CN115198759A (en) | Supporting pile and vibration isolation barrier structure, design and construction method | |
| CN212175750U (en) | Pit enclosure system of shaft type underground stereo garage | |
| CN114232602A (en) | Underground continuous pile construction process | |
| JPH11166231A (en) | Bottom widening existing pile and embedding machine | |
| CN106223345A (en) | A kind of length interleaved formula Soil-cement piling wall construction equipment and construction method | |
| CN113026778A (en) | Submersible sandy gravel stratum foundation pit bottom sealing structure and construction method | |
| CN217974507U (en) | Protection system of subway tunnel structure crouches down during soft soil foundation ditch excavation | |
| CN204753632U (en) | Underground parking garage is built to caisson structure based on prefabricated concatenation of stake on an empty stomach formula | |
| CN212477698U (en) | Construction structure of large-area soil-squeezing grouped piles in soil-squeezing sensitive area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070124 Termination date: 20140409 |