CN103911996A - Construction method for pulling out steel sheet piles close to existing buildings - Google Patents
Construction method for pulling out steel sheet piles close to existing buildings Download PDFInfo
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- CN103911996A CN103911996A CN201410128060.1A CN201410128060A CN103911996A CN 103911996 A CN103911996 A CN 103911996A CN 201410128060 A CN201410128060 A CN 201410128060A CN 103911996 A CN103911996 A CN 103911996A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 238000010276 construction Methods 0.000 title claims abstract description 68
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 35
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 35
- 239000004571 lime Substances 0.000 claims abstract description 35
- 239000004575 stone Substances 0.000 claims description 27
- 239000003673 groundwater Substances 0.000 claims description 20
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 235000012255 calcium oxide Nutrition 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000009191 jumping Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 8
- 238000007596 consolidation process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008093 supporting effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention relates to steel sheet pile pulling out technique, in particular to a construction method for pulling out steel sheet piles close to existing buildings, and solves the technical problem that at present, foundations of the existing buildings are prone to influences so as to influence safety of buildings when the steel sheet piles are pulled out in construction of road pipe networks close to the buildings. The construction method for pulling out the steel sheet piles close to the existing buildings is characterized by including the steps: (1) taking five steel sheet piles as a unit to pull out the steel sheet piles; (2) using a 'pulling out five and piling two' construction method, namely piling two lime gravel piles when every five steel sheet piles are pulled out, for punning and filling pile seams, above underground water level, left after first-time pulling out; (3) pulling out remnant steel sheet piles for the second time, and using the 'pulling out five and piling two' construction method for treatment of the pile seams left after second-time pulling out of the steel sheet piles. The method is safe, reliable, simple in construction operation, quick in construction, effective in reinforcement, low in manufacturing cost, low in environmental constraint and low in influences on the existing buildings and pipelines.
Description
Technical field
The present invention relates to the technique of pulling out of steel sheet pile, be specially one and close on existing building steel sheet pile and pull out construction method.
Background technology
Along with the fast development of China's economy, urban construction paces are constantly accelerated, large-scale reconstruction of the old city town project also constantly increases, because present situation underground utilities are intricate, the building infrastructure of both sides, street is uneven, and deep pit digging often inevitably will carry out near existing building, due to site work faciostenosis, the supporting of deep foundation ditch adopts the rigid supportings such as steel sheet pile mostly, although this supporting has intensity high, easy construction, the advantage such as reusable, but pull out in process at it, produce certain vibration, be with again soil as pile pulling and too much cause land movement, surface settlement, bring harm to the underground structure of having constructed, affect adjacent structure, the normal use of road and underground utilities.
The for example interchange drainage works in certain city (as shown in Figure 2), at existing highway (south-north direction) west side newly-built 3m*2m rainwater slab culvert and DN900 ripple sewer line, rain sewage channel excavation bosom is 5.5m, because this duration of a project is very tight, drainage works and bridge engineering, other pipeline constructions synchronously carry out, field operation faciostenosis, construction plant groundwater table is-3.9m, soil property mostly is miscellaneous fill, and close on existing 7 layers of residential building (strip foundation that last century, the nineties was built, buried depth is 3.7m), apart from high-tension electricity overhead route 0.5m, when excavation, do not have condition to put slope, through demonstration, the dirty groove of construction moderate rain adopts steel sheet pile support system, because of ground miscellaneous fill compactness between steel sheet pile and existing building lower, and cloth full-bobbin line (1 24 time telecommunications plum tube+2, high voltage power cable+1, electric power hauling pipe+3, hole sewage bellows), surrounding environment and underground utilities complexity, the factors such as the existing construction of structures of distance and pipeline are near impact is huge, after pit backfill, pulling out of steel sheet pile is the technical barrier facing in construction.
Summary of the invention
The present invention is while solving at present to Nearby Structure road pipeline network construction, the technical problem that easily ground of existing building is impacted and then affected the safety of building in the process of pulling out steel sheet pile, provides one to close on existing building steel sheet pile and pulls out construction method.
The present invention realizes by the following technical solutions: one is closed on existing building steel sheet pile and pulled out construction method, comprise the following steps: be 1. a unit according to five steel sheet piles, steel sheet pile is pulled out, and a unit is pulled out in Yi Ge unit, interval, and this pulls out for first pass; 2. first pass is pulled out to left stake and stitch the construction method of carrying out " pull out five and make a call to two ", the stake seam place staying after each steel sheet pile unit is pulled out squeezes into the lime broken stone pile that two diameters are Φ 200mm, stake is stitched to above rammer of groundwater table and fill out, lime broken stone pile top is far from 1 ~ 1.2m place, ground loess packing; 3. remaining steel sheet pile being carried out to second time pulls out, pull out left stake to second time and stitch the construction method of carrying out " pull out five and make a call to two ", more than the stake seam groundwater table staying squeeze into the lime broken stone pile rammer that two diameters are Φ 200mm and fill out after each steel sheet pile unit is pulled out, lime broken stone pile top is far from 1 ~ 1.2m place, ground loess packing.
When construction, every steel sheet pile 5 one unit (~ 1m) is pulled out at interval respectively, reinforcing is filled in steel sheet pile gap.When reinforcing, adopt the construction method of " pull out five and make a call to two ", such construction method and lime broken stone pile diameter used can guarantee pull out for second time Shi Buhui to around ground roadbed impact, also can not affect the stability of adjacent structure; Pull out the construction method that rear same employing " is pulled out five and made a call to two " for second time, ensured the stability of ground roadbed.
Further, for the steel sheet pile at 4 ~ 5 meters apart from existing building spacing, first pass is pulled out and frontly is first adopted luoyang spade between existing building and steel sheet pile, to bore row and steel sheet pile to move towards parallel stake hole, and a stake bore dia is Φ 200mm, and adjacent studs hole center distance is 400 ~ 600mm; Stake hole depth exceedes existing building ground degree of depth 0.5m, and lime gravel pile reinforcing is squeezed in each hole, and adopts interval jumping to play construction, binds far from 1 ~ 1.2m place, ground loess in lime broken stone pile top.
For the situation (spacing is at 4 ~ 5 meters) of the very close existing building of steel sheet pile, in the time that first pass is pulled out, should first between building and steel sheet pile, bore row and steel sheet pile and move towards parallel hole, and in hole, squeeze into lime broken stone pile, the spacing between stake hole depth, stake all can reduce steel sheet pile impact on building in the time pulling out to greatest extent; Interval jumping being played construction and referring in the time of piling, Yi Ge hole, interval is made a call to one, after the stake of accomplishing fluently first pass, play remaining stake, such construction method can reduce the impact of the position on Adjacent Pile in piling process and stability, and then reduces the impact on building again.
Further, through the situation of groundwater table, after pulling out for second time, also need the stake seam groundwater table that pile pulling is stayed to carry out below cement slip casing by pressure reinforcing for steel sheet pile.
Steel sheet pile is stretched into the situation below groundwater table, originally squeezing under the prerequisite of lime broken stone pile, also need the part below stake seam groundwater table to carry out consolidation process; In previous method, stake seam groundwater table is driven piles above, the method for carrying out cement slip casing by pressure reinforcing for the following stake seam that pile pulling is stayed of groundwater table.So just all carry out consolidation process to stake seam groundwater table is above and following, thoroughly guaranteed the stable of ground, ensured the safety of contiguous existing building.
The present invention first effectively reinforces closing on the existing building basis one side soil body, then every steel sheet pile 5 unit (1m left and right) is pulled out at interval respectively, coordinate to steel sheet pile gap according to geological condition respectively layering fill reinforcing.By the characteristic of the experimental study quicklime broken stone pile expansion reinforcing soil body, cement slip casing by pressure consolidated earth mass under different mixture ratio, according to the geological conditions in place, close on the situation of existing construction of structures basis and underground utilities, adopt luoyang spade pore-forming, lime gravel pile reinforcing near the building foundation one side soil body, adopt lime broken stone pile and pressure grout method reinforced construction method to combine, respectively for the upper and lower soil property difference of groundwater table, consolidation process is carried out in the steel sheet pile gap of pulling out, effectively solved the construction difficult problem that closes on existing building pile pulling.
Very near owing to closing on existing building, surrounding environment complexity, the interference that intersects is many, use traditional its support reinforcement construction technology cannot ensure pile pulling every safety requirements of constructing, this technology is with the advantage of conventional construction method: 1) constructing operation is simple, the fast plant of speed is simple, operation is not limited by or not place, simple process, common laborer just can construct through simply telling somebody what one's real intentions are, pile-forming speed is fast, the every teams and groups of each machine-team (10 people) can construct 200 meters, can meet the duration tight, the construction requirement of circumstance complication.
2) safe and reliable, little to the little noise of surrounding environment influence, Construction Vibration is little, by the preparation of construction in early stage, according to on-the-spot geological conditions and the instructions for use of engineering, correctly select applicable construction parameter to carry out piling construction, around making stake, the interior native engineering physics property of certain limit improves, the density of soil increases, compressibilty reduces, settlement by soaking is able to all or part of elimination, can ensure that piling reinforcing and pile pulling construction are to closing on the environmental impact minimization around such as existing construction of structures and underground utilities.
3) cheap, consolidation effect good; Use this technology to construct, backfilling material is cheap, without large-scale construction equipment, simple to operate, quality is easier to ensure, can ensure under various complex environments, existing building basis and newly-built pipeline can not cause disturbance because of closing on construction, cause even building main body differential settlement of ground.
Using this technology to construct is not only effectively ensured safely, and a large amount of engineering costs are saved, if can not carry out reliable protection to existing construction of structures and underground utilities, steel sheet pile just can not be pulled out, when next step construction, also need excision to expose steel sheet pile, according to the double steel sheet pile of foundation ditch existing building one side, the single steel sheet pile of opposite side calculates, and saves 5500 yuan of (steel sheet pile cost of materials) * 15-30 yuan (every meter of expense of lime broken stone pile) * 4m*6 root-60 yuan (every meter of expense of slip casing by pressure) * 5.5m*4 root=82500-720-1320=80460 units for every meter.
Use this construction method to close on existing building pile pulling construction, safe and reliable, constructing operation is simple, and speed of application is fast, and consolidation effect is good, cheap, environmental constraints is little, few on existing structure building and pipeline impact.
Brief description of the drawings
Fig. 1 process chart of the present invention.
Fig. 2 is the A-A sectional drawing of Fig. 3.
Fig. 3 pile pulling construction soil stabilization plan view.
Each step schematic diagram when Fig. 4 constructs.
Detailed description of the invention
One is closed on existing building steel sheet pile and is pulled out construction method, comprises the following steps: be 1. a unit according to five steel sheet piles, steel sheet pile is pulled out, a unit is pulled out in Yi Ge unit, interval, and this pulls out for first pass; 2. first pass is pulled out to left stake and stitch the construction method of carrying out " pull out five and make a call to two ", the stake seam place staying after each steel sheet pile unit is pulled out squeezes into the lime broken stone pile that two diameters are Φ 200mm, stake is stitched to above rammer of groundwater table and fill out, 1.0m, 1.1m, 1.2m can be selected far from ground 1 ~ 1.2m(in lime broken stone pile top) locate to use loess packing; 3. remaining steel sheet pile being carried out to second time pulls out, pull out left stake to second time and stitch the construction method of carrying out " pull out five and make a call to two ", more than the stake seam groundwater table staying squeeze into lime broken stone pile that two diameters are Φ 200mm and ram and fill out after each steel sheet pile unit is pulled out, 1.0m, 1.1m, 1.2m can be selected far from ground 1 ~ 1.2m(in lime broken stone pile top) locate to use loess packing.
For the steel sheet pile at 4 ~ 5 meters apart from existing building spacing, first pass is pulled out and frontly is first adopted luoyang spade between existing building and steel sheet pile, to bore row and steel sheet pile to move towards parallel stake hole, stake bore dia is Φ 200, and adjacent studs hole center distance is that 400 ~ 600mm(can select 400 mm, 450 mm, 500 mm, 550 mm, 600 mm); Stake hole depth exceedes existing building ground degree of depth 0.5m, and lime gravel pile reinforcing is squeezed in each hole, and adopts interval to jump to play construction, and 1.0m, 1.1m, 1.2m can be selected far from ground 1 ~ 1.2m(in lime broken stone pile top) locate loess and bind.
Through the situation of groundwater table, after pulling out for second time, also need the stake seam groundwater table that pile pulling is stayed to carry out below cement slip casing by pressure reinforcing for steel sheet pile.
Described lime rubble comprises quicklime, flyash and rubble, and three's volume ratio is 1:2:1; Quicklime particle diameter is that 3cm-5cm(can select 3 cm, 4 cm, 5 cm), ballast grain sizes is that 3cm-5cm(can select 3 cm, 4 cm, 5 cm).
Adopt the lime rubble piling of above-mentioned volume ratio, can extraordinary realization dose solid to the rammer of stake seam; Adopt quicklime, rubble and the flyash of above-mentioned particle diameter and volume ratio, can make lime broken stone pile squeeze into rear suitable expansion, by the compacting of stake seam; Flyash, without the requirement of particle size, mainly meets relevant industries standard and just can.
In the construction method of described " pull out five and make a call to two ", the spacing of adjacent lime broken stone pile is 500mm.Such piling arrangement is more conducive to compacting foundation.
Fig. 2, Fig. 3, Fig. 4 are for being 4 ~ 5 meters and the steel sheet pile pile pulling artwork during through groundwater table apart from building, and now complete pile pulling operation has just comprised five steps.In Fig. 3, leftmost black circle is the hole that adopts luoyang spade to dig out, and for squeezing into lime broken stone pile, middle black circles is the steel sheet pile at 4 ~ 5 meters apart from existing building; Low order end be common steel sheet pile.Figure 4 shows that the step schematic diagram in construction.
Claims (8)
1. close on existing building steel sheet pile and pull out a construction method, it is characterized in that, comprise the following steps: be 1. a unit according to five steel sheet piles, steel sheet pile is pulled out, a unit is pulled out in Yi Ge unit, interval, this pulls out for first pass; 2. first pass is pulled out to left stake and stitch the construction method of carrying out " pull out five and make a call to two ", the stake seam place staying after each steel sheet pile unit is pulled out squeezes into the lime broken stone pile that two diameters are Φ 200mm, stake is stitched to above rammer of groundwater table and fill out, lime broken stone pile top is far from 1 ~ 1.2m place, ground loess packing; 3. remaining steel sheet pile being carried out to second time pulls out, pull out left stake to second time and stitch the construction method of carrying out " pull out five and make a call to two ", more than the stake seam groundwater table staying squeeze into the lime broken stone pile rammer that two diameters are Φ 200mm and fill out after each steel sheet pile unit is pulled out, lime broken stone pile top is far from 1 ~ 1.2m place, ground loess packing.
2. the existing building steel sheet pile that closes on as claimed in claim 1 is pulled out construction method, it is characterized in that, for the steel sheet pile at 4 ~ 5 meters apart from existing building spacing, first pass is pulled out and frontly is first adopted luoyang spade between existing building and steel sheet pile, to bore row and steel sheet pile to move towards parallel stake hole, stake bore dia is Φ 200mm, and adjacent studs hole center distance is 400 ~ 600mm; Stake hole depth exceedes existing building ground degree of depth 0.5m, and lime gravel pile reinforcing is squeezed in each hole, and adopts interval jumping to play construction, binds far from 1 ~ 1.2m place, ground loess in lime broken stone pile top.
3. the existing building steel sheet pile that closes on as claimed in claim 1 or 2 is pulled out construction method, it is characterized in that, through the situation of groundwater table, after pulling out for second time, also need the stake seam groundwater table that pile pulling is stayed to carry out below cement slip casing by pressure reinforcing for steel sheet pile.
4. the existing building steel sheet pile that closes on as claimed in claim 1 or 2 is pulled out construction method, it is characterized in that, described lime rubble comprises quicklime, flyash and rubble, and three's volume ratio is 1:2:1; Quicklime particle diameter is 3cm-5cm, and ballast grain sizes is 3cm-5cm.
5. the existing building steel sheet pile that closes on as claimed in claim 3 is pulled out construction method, it is characterized in that, described lime rubble comprises quicklime, flyash and rubble, and three's volume ratio is 1:2:1; Quicklime particle diameter is 3cm-5cm, and ballast grain sizes is 3cm-5cm.
6. the existing building steel sheet pile that closes on as claimed in claim 1 or 2 is pulled out construction method, it is characterized in that, in the construction method of described " pull out five and make a call to two ", the spacing of adjacent lime broken stone pile is 500mm.
7. the existing building steel sheet pile that closes on as claimed in claim 3 is pulled out construction method, it is characterized in that, in the construction method of described " pull out five and make a call to two ", the spacing of adjacent lime broken stone pile is 500mm.
8. the existing building steel sheet pile that closes on as claimed in claim 4 is pulled out construction method, it is characterized in that, in the construction method of described " pull out five and make a call to two ", the spacing of adjacent lime broken stone pile is 500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128060.1A CN103911996B (en) | 2014-04-01 | 2014-04-01 | Close on existing building steel sheet pile and pull out construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128060.1A CN103911996B (en) | 2014-04-01 | 2014-04-01 | Close on existing building steel sheet pile and pull out construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN103911996A true CN103911996A (en) | 2014-07-09 |
| CN103911996B CN103911996B (en) | 2015-08-19 |
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| CN201410128060.1A Expired - Fee Related CN103911996B (en) | 2014-04-01 | 2014-04-01 | Close on existing building steel sheet pile and pull out construction method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604074A (en) * | 2016-02-03 | 2016-05-25 | 中交第三航务工程局有限公司宁波分公司 | Closure gap closing construction method |
| CN106193042A (en) * | 2016-07-20 | 2016-12-07 | 中建八局第三建设有限公司 | Next-door neighbour's underground structure sandy soil layer is gone along with sb. to guard him obstacle pile sweep-out method at ground wall |
| CN106381878A (en) * | 2016-10-27 | 2017-02-08 | 中建三局集团有限公司 | Environment-friendly dismantling construction method for two-layer steel sheet pile and soil core composite cofferdam |
| CN108867645A (en) * | 2018-09-04 | 2018-11-23 | 江苏山水环境建设集团股份有限公司 | Nearby Structure Larsen steel sheet pile pulls out construction method in pattern foundation pit supporting structure |
| CN110295597A (en) * | 2019-05-27 | 2019-10-01 | 山西临汾市政工程集团股份有限公司 | Close to buildings Soft Clay pattern foundation pit supporting structure steel sheet pile is pulled out and grouting strengthening method |
| CN111395363A (en) * | 2020-04-14 | 2020-07-10 | 中国电建集团港航建设有限公司 | Foundation trench supporting process for secondary branch pipe network project construction |
| CN111472356A (en) * | 2020-04-14 | 2020-07-31 | 周力 | Larsen steel sheet pile sleeve obstacle clearing and pile pulling construction method |
| CN114837177A (en) * | 2022-05-13 | 2022-08-02 | 中铁十六局集团路桥工程有限公司 | Tubular pile driving method for reducing deviation of adjacent existing lines |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10168879A (en) * | 1996-12-10 | 1998-06-23 | Taisei Corp | Pulling method for steel sheet pile |
| CN201280721Y (en) * | 2008-09-23 | 2009-07-29 | 中冶天工建设有限公司 | Steel sheet pile withdrawing auxiliary machine |
| CN101538857A (en) * | 2009-04-10 | 2009-09-23 | 黄河水利委员会河南黄河河务局 | Pile extraction construction method |
| JP2009256999A (en) * | 2008-04-18 | 2009-11-05 | Nippon Concrete Ind Co Ltd | Pile extracting construction method for existing hollow pile |
| JP2012112163A (en) * | 2010-11-24 | 2012-06-14 | Takenaka Komuten Co Ltd | Pile construction method in contaminated soil |
| CN203066073U (en) * | 2012-12-28 | 2013-07-17 | 三一重工股份有限公司 | Pile-pulling mechanism, pile-pulling machinery and lifting machinery with same |
-
2014
- 2014-04-01 CN CN201410128060.1A patent/CN103911996B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10168879A (en) * | 1996-12-10 | 1998-06-23 | Taisei Corp | Pulling method for steel sheet pile |
| JP2009256999A (en) * | 2008-04-18 | 2009-11-05 | Nippon Concrete Ind Co Ltd | Pile extracting construction method for existing hollow pile |
| CN201280721Y (en) * | 2008-09-23 | 2009-07-29 | 中冶天工建设有限公司 | Steel sheet pile withdrawing auxiliary machine |
| CN101538857A (en) * | 2009-04-10 | 2009-09-23 | 黄河水利委员会河南黄河河务局 | Pile extraction construction method |
| JP2012112163A (en) * | 2010-11-24 | 2012-06-14 | Takenaka Komuten Co Ltd | Pile construction method in contaminated soil |
| CN203066073U (en) * | 2012-12-28 | 2013-07-17 | 三一重工股份有限公司 | Pile-pulling mechanism, pile-pulling machinery and lifting machinery with same |
Non-Patent Citations (2)
| Title |
|---|
| 曾凡义等: "石灰桩处理泥炭质软土地基实例", 《土工基础》 * |
| 郑一宁: ""浅析钢管桩和钢板桩在深基坑支护中的施工技术"", 《福建建筑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604074A (en) * | 2016-02-03 | 2016-05-25 | 中交第三航务工程局有限公司宁波分公司 | Closure gap closing construction method |
| CN106193042A (en) * | 2016-07-20 | 2016-12-07 | 中建八局第三建设有限公司 | Next-door neighbour's underground structure sandy soil layer is gone along with sb. to guard him obstacle pile sweep-out method at ground wall |
| CN106193042B (en) * | 2016-07-20 | 2018-02-13 | 中建八局第三建设有限公司 | Obstacle pile sweep-out method at ground wall is gone along with sb. to guard him close in underground structure sandy soil layer |
| CN106381878A (en) * | 2016-10-27 | 2017-02-08 | 中建三局集团有限公司 | Environment-friendly dismantling construction method for two-layer steel sheet pile and soil core composite cofferdam |
| CN108867645A (en) * | 2018-09-04 | 2018-11-23 | 江苏山水环境建设集团股份有限公司 | Nearby Structure Larsen steel sheet pile pulls out construction method in pattern foundation pit supporting structure |
| CN110295597A (en) * | 2019-05-27 | 2019-10-01 | 山西临汾市政工程集团股份有限公司 | Close to buildings Soft Clay pattern foundation pit supporting structure steel sheet pile is pulled out and grouting strengthening method |
| CN111395363A (en) * | 2020-04-14 | 2020-07-10 | 中国电建集团港航建设有限公司 | Foundation trench supporting process for secondary branch pipe network project construction |
| CN111472356A (en) * | 2020-04-14 | 2020-07-31 | 周力 | Larsen steel sheet pile sleeve obstacle clearing and pile pulling construction method |
| CN114837177A (en) * | 2022-05-13 | 2022-08-02 | 中铁十六局集团路桥工程有限公司 | Tubular pile driving method for reducing deviation of adjacent existing lines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103911996B (en) | 2015-08-19 |
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