CN104631479A - Construction method of soil-changing and stirring waterproof curtain - Google Patents
Construction method of soil-changing and stirring waterproof curtain Download PDFInfo
- Publication number
- CN104631479A CN104631479A CN201410813752.XA CN201410813752A CN104631479A CN 104631479 A CN104631479 A CN 104631479A CN 201410813752 A CN201410813752 A CN 201410813752A CN 104631479 A CN104631479 A CN 104631479A
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- Prior art keywords
- hole
- pile
- construction
- stirring
- water
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 238000003756 stirring Methods 0.000 title claims abstract description 21
- 239000004568 cement Substances 0.000 claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000026676 system process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract 3
- 230000000087 stabilizing effect Effects 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012407 engineering method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 206010061274 Malocclusion Diseases 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a construction method of a waterproof curtain for soil replacement and stirring, which comprises the following steps: the method comprises the steps of releasing guide hole pile positions according to the axis of a cement stirring pile; embedding a steel casing, stabilizing the hole wall by adopting slurry, and taking out the soil to be excavated in the hole by using a rotary excavator in wet operation; thirdly, stabilizing the hole wall by adopting slurry until the operation space of hole guiding and backfilling meets the requirements; fourthly, removing mud in the pile hole by using a gas lift mud discharging machine, and backfilling pile-forming soil; fifthly, excavating a slurry discharge guide channel, wherein the backfill completion distance meets the continuous operation requirement of the cement mixing pile; sixthly, positioning a cement mixer, and constructing a cement mixing pile; and forcibly stirring the left untreated interlayer parts of the pile hole positions of two adjacent guide holes by a stirring machine to finish the construction of the waterproof curtain for soil replacement and stirring. The invention has scientific and reasonable design, simple process and low construction cost when being used for the waterproof curtain of the deep foundation pit, fully utilizes common construction machinery, and has good waterproof effect and safe and reliable construction.
Description
Technical field
The invention belongs to water-stop curtain field, the construction method of the water-stop curtain that especially a kind of soil removal and replacement is stirred.
Background technology
During the underground construction Construction of Deep Excavation Engineering that particularly groundwater table is higher, often need the arranged outside water-stop curtain at soldier pile, water-stop curtain generally adopts continuous print cement mixing method to be formed.When water-stop curtain runs into the geological stratification being difficult to pass through in the depth bounds of design, during as gravel layer, hard skerry and erratic boulder etc., use conventional cement-soil mixing pile machine tool, complete as two axle cement-soil mixing pile machines, triaxial cement mixing pile machine etc. are difficult to construction.
For the skerry being difficult to pass through, single tube high-pressure rotary-spray equipment can be adopted its pointwise to be stirred in advance loose, and then cement mixing method of constructing, but the method still cannot be implemented for deep gravel layer and erratic boulder.
Interlocking pile or ground-connecting-wall can be adopted for deep gravel layer and erratic boulder, play the effect of supporting and sealing simultaneously.But during interlocking pile construction, require high to the quality stability of ultra-retardation concrete, and very easily due to the seepage in the direction generation deflection perpendicular to wall between the A stake of interlocking pile and B stake.Ground-connecting-wall seam crossing is the easily position producing seepage, adopt two-wheel flute milling machine can effectively avoid joint seepage, but this process costs is higher, and the cost of ground-connecting-wall own is higher, is not suitable for all engineerings.
TRD engineering method easily can tackle hardpan, as cobble, viscosity mud, sandstone, oil shale, limestone, granite etc., stir, there is not malocclusion, guarantee body of wall high continuity and high sealing, but TRD engineering method cost is high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the construction method of the water-stop curtain providing a kind of soil removal and replacement to stir, the method design science is reasonable, for water seal for deep foundation pit curtain, technique is simple, construction cost is low, make full use of common construction machinery, the water-stop curtain stagnant water effect completed is good, and construction safety is reliable.
The present invention solves its technical problem and is achieved through the following technical solutions:
A construction method for the water-stop curtain that soil removal and replacement is stirred, the step of its method is:
(1), discharge by cement mixing pile axis and draw stake position, hole;
(2), bury steel pile casting underground, adopt mud to stablize hole wall, Spiral digging machine wet work will treat in hole that shoveling matter is taken out;
(3), observe drilling bucket and take out and treat shoveling matter situation, determine to draw hole depth, boring removes rotary drilling rig after reaching and drawing hole depth, continues to adopt mud to stablize hole wall until draw hole and backfilling operation space meets the demands;
(4), adopt gaslift plasma discharge machinery to get rid of mud in stake holes, backfill pile earth material, controls plasma discharge amount corresponding to backfill amount;
(5) backfill distance to meet cement mixing pile and to work continuously requirement, dig plasma discharge guide channel on cement mixing pile axis both sides;
(6) cement mixer is in place, and cement paste stirring system process pump is starched, and starts stake machine and carries out cement mixing pile driving construction;
(7) adjacent two draw stake holes position, hole and remain untreated sandwich portion, by Mixing Machine action of forced stirring, complete the water-stop curtain construction that soil removal and replacement is stirred.
And described stake position, hole of drawing is discharged by three axes agitating pile axis and is drawn stake position, hole φ 1000@1200.
And described steel pile casting height 2m, steel pile casting diameter 20cm larger than design stake footpath, steel pile casting end face exceeds operation platform 30cm.
And described Spiral digging machine wet work is jumped manual labour skill and is drawn stake holes, and drawing stake holes is φ 1000mm.
And described treats that shoveling matter is gravel, cobble or erratic boulder.
And it is the construction of φ 850 1200 three axes agitating pile that described startup stake machine carries out cement mixing pile driving construction.
Advantage of the present invention and beneficial effect are:
1, the water-stop curtain that this soil removal and replacement is stirred takes out the soil property being unfavorable for pile in containing stratum such as dust, cobble, erratic boulders, and backfill is simultaneously beneficial to the material of pile (one-tenth wall), proceeds the construction of agitation pile.This method construction quality is guaranteed, and construction machinery tissue is less by market restriction.
2, the technology maturation of water-stop curtain, the technique that stir of this soil removal and replacement is simple, with low cost, and make full use of common construction machinery, the water-stop curtain stagnant water effect completed is good.
Accompanying drawing explanation
Fig. 1 is that the schematic diagram digging and draw hole is revolved in the present invention;
Fig. 2 is the schematic diagram that the present invention completes construction cement mixing pile.
Wherein 1 is cement mixing pile, 2 for drawing hole, 3 is original ground, 4 is the unfavorable interlayers such as dust, cobble, erratic boulder, 5 is the earth material backfilled, and 6 is groundwater table, and H1 is water-stop curtain support post length, H2 is the unfavorable interlayer geology buried depth such as dust, cobble, erratic boulder in water-stop curtain support post depth bounds, and H3 is unfavorable interlayer geology thickness.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A construction method for the water-stop curtain that soil removal and replacement is stirred, the step of its method is:
(1), discharge by cement mixing pile axis and draw stake position, hole; Draw stake position, hole to discharge by three axes agitating pile axis and draw stake position, hole φ 1000@1200.
(2), bury steel pile casting underground, adopt mud to stablize hole wall, mud adopts tonerde and water mix form and mix a certain proportion of swell soil, prepares mud.Spiral digging machine wet work will treat in hole that shoveling matter is taken out; Steel pile casting height 2m, steel pile casting diameter 20cm larger than design stake footpath, steel pile casting end face exceeds operation platform 30cm.Spiral digging machine wet work is jumped manual labour skill and is drawn stake holes, and drawing stake holes is φ 1000mm.Treat that shoveling matter is gravel, cobble or erratic boulder.
(3), observe drilling bucket and take out and treat shoveling matter situation, determine to draw hole depth, boring removes rotary drilling rig after reaching and drawing hole depth, continues to adopt mud to stablize hole wall until draw hole and backfilling operation space meets the demands;
(4), adopt gaslift plasma discharge machinery to get rid of mud in stake holes, backfill pile earth material, controls plasma discharge amount corresponding to backfill amount;
(5) backfill distance to meet cement mixing pile and to work continuously requirement, dig plasma discharge guide channel on cement mixing pile axis both sides;
(6) cement mixer is in place, and cement paste stirring system process pump is starched, and starts stake machine and carries out cement mixing pile driving construction; It is the construction of φ 850 1200 three axes agitating pile that startup stake machine carries out cement mixing pile driving construction.
(7) adjacent two draw stake holes position, hole and remain untreated sandwich portion, by Mixing Machine action of forced stirring, complete the water-stop curtain construction that soil removal and replacement is stirred.
Claims (6)
1. a construction method for the water-stop curtain of soil removal and replacement stirring, is characterized in that: steps of the method are:
(1), discharge by cement mixing pile axis and draw stake position, hole;
(2), bury steel pile casting underground, adopt mud to stablize hole wall, Spiral digging machine wet work will treat in hole that shoveling matter is taken out;
(3), observe drilling bucket and take out and treat shoveling matter situation, determine to draw hole depth, boring removes rotary drilling rig after reaching and drawing hole depth, continues to adopt mud to stablize hole wall until draw hole and backfilling operation space meets the demands;
(4), adopt gaslift plasma discharge machinery to get rid of mud in stake holes, backfill pile earth material, controls plasma discharge amount corresponding to backfill amount;
(5) backfill distance to meet cement mixing pile and to work continuously requirement, dig plasma discharge guide channel on cement mixing pile axis both sides;
(6) cement mixer is in place, and cement paste stirring system process pump is starched, and starts stake machine and carries out cement mixing pile driving construction;
(7) adjacent two draw stake holes position, hole and remain untreated sandwich portion, by Mixing Machine action of forced stirring, complete the water-stop curtain construction that soil removal and replacement is stirred.
2. the construction method of water-stop curtain that stirs of soil removal and replacement according to claim 1, is characterized in that: described stake position, hole of drawing is discharged by three axes agitating pile axis and drawn stake position, hole φ 1000@1200.
3. the construction method of the water-stop curtain of soil removal and replacement stirring according to claim 1, is characterized in that: described steel pile casting height 2m, and steel pile casting diameter 20cm larger than design stake footpath, steel pile casting end face exceeds operation platform 30cm.
4. the construction method of the water-stop curtain of soil removal and replacement stirring according to claim 1, is characterized in that: described Spiral digging machine wet work is jumped manual labour skill and drawn stake holes, and drawing stake holes is φ 1000mm.
5. the construction method of the water-stop curtain of soil removal and replacement stirring according to claim 1, is characterized in that: described treats that shoveling matter is gravel, cobble or erratic boulder.
6. the construction method of the water-stop curtain of soil removal and replacement stirring according to claim 1, is characterized in that: it is the construction of φ 850 1200 three axes agitating pile that described startup stake machine carries out cement mixing pile driving construction.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103716.3A CN105586978B (en) | 2014-12-23 | 2014-12-23 | Soil removal and replacement stirring water-stop curtain construction method based on gravel |
| CN201610102949.1A CN105735332B (en) | 2014-12-23 | 2014-12-23 | A kind of soil removal and replacement stirring water-stop curtain construction method |
| CN201410813752.XA CN104631479B (en) | 2014-12-23 | 2014-12-23 | Construction method of soil-changing and stirring waterproof curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813752.XA CN104631479B (en) | 2014-12-23 | 2014-12-23 | Construction method of soil-changing and stirring waterproof curtain |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610102949.1A Division CN105735332B (en) | 2014-12-23 | 2014-12-23 | A kind of soil removal and replacement stirring water-stop curtain construction method |
| CN201610103716.3A Division CN105586978B (en) | 2014-12-23 | 2014-12-23 | Soil removal and replacement stirring water-stop curtain construction method based on gravel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104631479A true CN104631479A (en) | 2015-05-20 |
| CN104631479B CN104631479B (en) | 2016-08-31 |
Family
ID=53210677
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410813752.XA Active CN104631479B (en) | 2014-12-23 | 2014-12-23 | Construction method of soil-changing and stirring waterproof curtain |
| CN201610103716.3A Active CN105586978B (en) | 2014-12-23 | 2014-12-23 | Soil removal and replacement stirring water-stop curtain construction method based on gravel |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610103716.3A Active CN105586978B (en) | 2014-12-23 | 2014-12-23 | Soil removal and replacement stirring water-stop curtain construction method based on gravel |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104631479B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631479B (en) * | 2014-12-23 | 2016-08-31 | 中冶天工集团有限公司 | Construction method of soil-changing and stirring waterproof curtain |
| CN110241836A (en) * | 2019-07-04 | 2019-09-17 | 嘉盛建设集团有限公司 | A kind of construction method of embedding rock water-stop curtain |
| CN111042061B (en) * | 2019-12-30 | 2020-09-25 | 中国水电基础局有限公司 | Construction method of ultra-deep impervious wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19832935C1 (en) * | 1997-11-19 | 1999-12-16 | Bauer Spezialtiefbau | Method of production high pressure injected building foundation |
| CN1635223A (en) * | 2003-12-26 | 2005-07-06 | 上海市基础工程公司 | Bridge cofferdam waterstop construction process |
| CN101255689A (en) * | 2008-03-12 | 2008-09-03 | 何世鸣 | Long helical spraying-rotary stirring soilcement purdah pile as well as construction method thereof |
| CN102286981A (en) * | 2011-07-15 | 2011-12-21 | 深圳市鸿荣轩建设工程有限公司 | Waterproof curtain and construction method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631479B (en) * | 2014-12-23 | 2016-08-31 | 中冶天工集团有限公司 | Construction method of soil-changing and stirring waterproof curtain |
-
2014
- 2014-12-23 CN CN201410813752.XA patent/CN104631479B/en active Active
- 2014-12-23 CN CN201610103716.3A patent/CN105586978B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19832935C1 (en) * | 1997-11-19 | 1999-12-16 | Bauer Spezialtiefbau | Method of production high pressure injected building foundation |
| CN1635223A (en) * | 2003-12-26 | 2005-07-06 | 上海市基础工程公司 | Bridge cofferdam waterstop construction process |
| CN101255689A (en) * | 2008-03-12 | 2008-09-03 | 何世鸣 | Long helical spraying-rotary stirring soilcement purdah pile as well as construction method thereof |
| CN102286981A (en) * | 2011-07-15 | 2011-12-21 | 深圳市鸿荣轩建设工程有限公司 | Waterproof curtain and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104631479B (en) | 2016-08-31 |
| CN105586978A (en) | 2016-05-18 |
| CN105586978B (en) | 2019-01-18 |
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