CN100386483C - High-performance cement soil continuous wall construction method - Google Patents
High-performance cement soil continuous wall construction method Download PDFInfo
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- CN100386483C CN100386483C CNB2005100199270A CN200510019927A CN100386483C CN 100386483 C CN100386483 C CN 100386483C CN B2005100199270 A CNB2005100199270 A CN B2005100199270A CN 200510019927 A CN200510019927 A CN 200510019927A CN 100386483 C CN100386483 C CN 100386483C
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- 239000002689 soil Substances 0.000 title claims abstract description 49
- 239000004568 cement Substances 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000011162 core material Substances 0.000 abstract 2
- 238000003801 milling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 lime Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Abstract
The invention relates to a high-performance cement-soil continuous wall construction method, wherein the continuous wall is formed by connecting a plurality of units, and is characterized in that each unit is constructed according to the following steps: 1) constructing a groove by adopting a grab bucket or a hydraulic milling or vibration or impact device; 2) stirring the slurry or soil and the curing agent or the admixture outside the tank to form high-performance cement-soil slurry; 3) injecting or pressing the high-performance cement-soil slurry into the groove by using a pump to form a wall; 4) a stressed core material is inserted into the wall. The diaphragm wall has few joints, cement soil slurry is stirred outside the ground hole, the cement soil has high strength, good impermeability, continuous and compact appearance, smoothness and flatness, good anti-seepage effect, two-in-one of soil retaining and water stopping, stressed core materials can be pulled out for repeated use, waste mud can be utilized to change waste into valuables, the pollution to the environment is reduced, and the diaphragm wall is suitable for underground engineering in the fields of civil engineering and building.
Description
Technical field:
The present invention relates to the underground construction of building and building field, specifically a kind of high-performance cement soil continuous wall construction method.
Background technology:
Diaphragm wall in building and construction work has at present: steel bar concrete diaphragm wall, SMW worker's method diaphragm wall, two-wheel mill and stir technology diaphragm wall and drill-grouted diaphragm wall deeply, and there are some problems to some extent in these diaphragm walls:
1, steel bar concrete diaphragm wall: adopt grab bucket, the grooving of fluid power miller skill, reinforcing cage and pour concrete formation steel bar concrete diaphragm wall are installed in groove then, no matter conduct " two-in-one " still is that " three-in-one " diaphragm wall all can not reuse the cost height to this kind diaphragm wall.
2, SMW worker's method diaphragm wall: adopt three or multi-drill pore-forming, inject curing compound simultaneously in the hole, in underground original position curing compound and soil are stirred, finally form cement soil continuous wall, stressed core can be inserted in its inside, and stressed core can be extracted repeated use.Its weak point is that construction depth is limited by drill height, and stacks is also inconvenient; On the other hand, because original position stirs in the hole, be prone to uneven phenomenon, thereby the phenomenon of percolating water occurs; In addition, because employing is that bore mode becomes wall, excavate surface irregularity, rough and uneven in surface, impression is bad.
3, two-wheel mills and stirs the technology diaphragm wall deeply: the same with SMW worker's method diaphragm wall also is cement soil continuous wall, but what adopt is that two-wheel mills grooving technology (rotation in the vertical plane), cement-soil also is that original position stirs in underground tank, but becomes to watch behind the wall excavation smoothly, also can insert stressed core in it, stressed core can be extracted, the deficiency that exists is that original position stirs in the groove, is prone to uneven phenomenon, in addition, this novel device is less, resource-constrained.
4, " continuous wall constructing method including drilling holes and late grouting " and " job practices of high-performance cement soil stake " is two patents of invention of the applicant to Patent Office of the People's Republic of China's application, the patent No. is respectively 00114586.x and 200410061198.0, this diaphragm wall is to adopt single shaft or multi-spindle drilling equipment pore-forming, soil paste on the ground mixes cement outside the hole, then in the injection hole, the final diaphragm wall that forms, can insert stressed core in it, stressed core also can be extracted, its weak point is because the quantity in hole is more, the percolating water situation may occur during each hole lapping construction, construction depth is limited.
Summary of the invention:
The objective of the invention is in order to solve the problem that the above-mentioned background technology exists, a kind of high-performance cement soil continuous wall construction method is proposed, make its diaphragm wall by this worker's method construction have good anti-seep water effect, it is two-in-one to keep off native sealing, and stressed core can be reused.
For achieving the above object, the present invention adopts following technical scheme: high-performance cement soil continuous wall construction method, and this diaphragm wall is connected to form by several unit, it is characterized in that each unit constructs as follows:
1) adopts grab bucket or fluid power mills or vibration or impact device construction grooving;
2) outside groove, utilize mud or soil and curing compound or additive to stir, form the high-performance cement soil paste;
3) with pump above-mentioned high-performance cement soil paste is injected or be pressed in the above-mentioned groove, form wall;
4) to inserting stressed core within the walls.
This new type of continuous wall is to adopt grab chute forming or fluid power mills or vibration or impact device construction grooving, in groove, be infused in the high-performance cement soil paste that has stirred outside the groove, it is characterized in that described curing compound is that cement is curing compound, this high-performance cement soil paste had both played retaining wall, it is again the main material of diaphragm wall anti-seep water, can insert stressed core in it, after diaphragm wall uses, stressed core can be extracted repeated use, and the advantage that it has absorbed grab chute forming RC Continuous wall has solved the steel bar concrete diaphragm wall again and can not reuse the high problem of cost; It is rough and uneven in surface that it has solved SMW worker's method diaphragm wall uneven problem of original position stirring concrete earth and outward appearance in the hole, and lap-joint is prone to the problem of percolating water; It has solved two-wheel and has milled and stir in the technology continuous wall groove original position soil paste that mixes cement deeply, and soil cement slurry is prone to uneven phenomenon, and in addition, this novel device is less, the problem of resource-constrained; It percolating water situation and the limited problem of construction depth may occur when having solved each hole of drill-grouted diaphragm wall lapping construction.
The present invention has following advantage:
1, can utilize grab bucket or fluid power mills or vibration or impact device construction grooving; A kind of novel high-performance cement soil continuous wall of constructing out can insert stressed core, and can extract stressed core recycling, and cost is low.
2, the one-tenth wall depth ratio SMW worker's method and the drill-grouted diaphragm wall of high-performance cement soil continuous wall are much bigger, applied widely.
3, the soil paste that mixes cement outside the hole on the ground, soil cement intensity height, anti-permeability performance are good, and the diaphragm wall seam is few, and outward appearance is fine and close, smooth smooth continuously, has good anti-seep water effect, and it is two-in-one to keep off native sealing.
4, can utilize discarded slurry to turn waste into wealth, reduce pollution environment.
Description of drawings
Fig. 1 is the high-performance cement soil continuous wall schematic diagram.
Fig. 2 is the high-performance cement soil continuous wall longitudinal sectional drawing.
The specific embodiment
With reference to Fig. 1, the present invention is divided into several adjacent successively unit 1,2 with diaphragm wall, and each unit adopts grab bucket earlier or fluid power mills or the strip groove of vibration or the long 1.5-6 rice of impact device construction; Utilize mud or soil and curing compound or additive to stir outside the hole, form the high-performance cement soil paste, the preferred cement of described curing compound is curing compound, also can adopt such as other curing compound such as lime, macromolecular materials; With grouting pump or delivery pump or slush pump above-mentioned high-performance cement soil paste is injected then or be pressed in the above-mentioned groove, form the unit wall; Insert stressed core 3 within the walls to the unit at last, it is rectangular prefabricated concrete stake or H shaped steel or cores such as i iron or pile tube that this stressed core 3 can adopt cross section.
In order to reach the native stagnant water effect of retaining (transmission coefficient≤10
-7Cm/s, 28 days intensity 〉=1.5Mpa), save material again, it is soil-solidified-agent that soil cement slurry of the present invention adopts mud or soil to add cement, according to the preparation in advance according to a certain percentage of different geological conditions.So-called cement is that soil-solidified-agent is to be main material with cement, according to different condition of construction with require to mix the mixture of extra materials such as strong, slow setting morning of some, microdilatancy, raising impermeability.Present embodiment adopts cement, swell soil, flyash, lime.They are that the stirring of soil-solidified-agent original position is more even, more directly perceived, soil cement intensity is higher, anti-permeability performance is better, effect is better than inject cement in foundation soil.
The sequence of construction of each unit of diaphragm wall of the present invention is: first construction two unit 1 at interval, and above-mentioned two unit 2 between the unit at interval of constructing again, also several unit constructions at interval, by that analogy, until construct in all unit the formation diaphragm wall.The grooving of the unit 2 between the unit 1, two intervals will itself partially overlap with two gap elements 1.Because the intensity at the intensity of soil cement slurry early strength cement-soil during in the 0.12Mpa left and right sides and soil is suitable, cement-soil is easy to be cut by grooving equipment, therefore in unit 2 trenching constructions between unit 1, two intervals, can cut each a part of cement-soil (dotted line position among Fig. 1) that goes to 1 opposite flank, unit, two intervals, it can be overlapped mutually with adjacent cells, intersect wall, thereby guarantee that the densification between each unit connects.
Each unit of diaphragm wall of the present invention is sequence construction successively also.
Claims (2)
1. high-performance cement soil continuous wall construction method, this diaphragm wall is connected to form by several unit, it is characterized in that each unit constructs as follows:
1) adopts grab bucket or fluid power mills or vibration or impact device construction grooving;
2) outside groove, utilize mud or soil and curing compound or additive to stir, form the high-performance cement soil paste;
3) with pump above-mentioned high-performance cement soil paste is injected or is pressed into and carry out retaining wall in the above-mentioned groove, and form wall;
4) to inserting stressed core within the walls.
2. according to the described high-performance cement soil continuous wall construction method of claim 1, it is characterized in that described curing compound is that cement is curing compound.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100199270A CN100386483C (en) | 2005-11-30 | 2005-11-30 | High-performance cement soil continuous wall construction method |
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| CNB2005100199270A CN100386483C (en) | 2005-11-30 | 2005-11-30 | High-performance cement soil continuous wall construction method |
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| CN1776112A CN1776112A (en) | 2006-05-24 |
| CN100386483C true CN100386483C (en) | 2008-05-07 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740427A (en) * | 2017-10-30 | 2018-02-27 | 中铁三局集团有限公司 | A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure |
| CN107938682A (en) * | 2018-01-08 | 2018-04-20 | 上海智平基础工程有限公司 | A kind of supporting construction and its construction method of rectangle interlocking pile |
| CN108005088A (en) * | 2018-01-22 | 2018-05-08 | 上海智平基础工程有限公司 | A kind of cross-section foundation pit supporting construction and its construction method |
| CN111472348B (en) * | 2020-04-23 | 2021-10-15 | 浙江大学医学院附属妇产科医院 | Profile steel and concrete combined underground continuous wall structure and construction method thereof |
| CN111844358B (en) * | 2020-06-12 | 2022-07-05 | 上海市基础工程集团有限公司 | Method for manufacturing cement test block in cement continuous wall construction |
| CN113638409A (en) * | 2021-08-19 | 2021-11-12 | 天津智城工程技术有限公司 | Mud digestion pile planting method |
| CN115198728A (en) * | 2022-07-27 | 2022-10-18 | 中铁十一局集团有限公司 | Construction method of cement-soil continuous wall and mixed pulping system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201128U (en) * | 1987-03-17 | 1987-12-26 | 上海市特种基础工程研究所 | Hydraulic grab with self-contained power unit |
| CN1066696A (en) * | 1992-06-19 | 1992-12-02 | 北京市地铁地基工程公司 | Method of field casted pile forming with ash cement slurry wall protecting |
| CN1143703A (en) * | 1996-08-02 | 1997-02-26 | 北京乾坤基础工程有限公司 | 3 in 1 underground continuous wall and construction method thereof |
| JPH10280385A (en) * | 1997-04-07 | 1998-10-20 | Seiko Kogyo Kk | Formation method of underground continuous wall |
| CN1258785A (en) * | 1998-12-28 | 2000-07-05 | 石午江 | Construction method and device of underground continuous wall |
| CN1274788A (en) * | 2000-05-24 | 2000-11-29 | 王平 | Continuous wall constructing method including drilling holes and late grouting |
| CN1563606A (en) * | 2004-04-09 | 2005-01-12 | 南京大学 | Method for supporting foundation trench for agitation piles of soil cement with concrete as the core |
-
2005
- 2005-11-30 CN CNB2005100199270A patent/CN100386483C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201128U (en) * | 1987-03-17 | 1987-12-26 | 上海市特种基础工程研究所 | Hydraulic grab with self-contained power unit |
| CN1066696A (en) * | 1992-06-19 | 1992-12-02 | 北京市地铁地基工程公司 | Method of field casted pile forming with ash cement slurry wall protecting |
| CN1143703A (en) * | 1996-08-02 | 1997-02-26 | 北京乾坤基础工程有限公司 | 3 in 1 underground continuous wall and construction method thereof |
| JPH10280385A (en) * | 1997-04-07 | 1998-10-20 | Seiko Kogyo Kk | Formation method of underground continuous wall |
| CN1258785A (en) * | 1998-12-28 | 2000-07-05 | 石午江 | Construction method and device of underground continuous wall |
| CN1274788A (en) * | 2000-05-24 | 2000-11-29 | 王平 | Continuous wall constructing method including drilling holes and late grouting |
| CN1563606A (en) * | 2004-04-09 | 2005-01-12 | 南京大学 | Method for supporting foundation trench for agitation piles of soil cement with concrete as the core |
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