CN101418566A - Method for processing soft land base/tail slag/lake silt by supercharging preconsolidation at vacuum - Google Patents
Method for processing soft land base/tail slag/lake silt by supercharging preconsolidation at vacuum Download PDFInfo
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- CN101418566A CN101418566A CNA2008101567875A CN200810156787A CN101418566A CN 101418566 A CN101418566 A CN 101418566A CN A2008101567875 A CNA2008101567875 A CN A2008101567875A CN 200810156787 A CN200810156787 A CN 200810156787A CN 101418566 A CN101418566 A CN 101418566A
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
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Abstract
The invention relates to a method for treating a soft soil foundation/mine tailings/lake sludge by means of booster vacuum preconsolidation, which belongs to a construction method for the soft soil foundation/the mine tailings/the lake sludge, wherein insides of a plurality of rows of plastic drainage plates which are horizontally distributed inside soil mass/the slag/the sludge are subjected to vacuum pumping, and partial soil mass/ partial slag/ partial sludge between the plastic drainage plates is subjected to uniform supercharging simultaneously. The method can really reflect the reinforcing mechanism and the reinforcing effect of vacuum precompression on cohesive soil, tailing dam slag and the lake sludge, improves the consolidation depth by one time, shortens half of the reinforcing time, has low manufacturing cost, and is safe and effective.
Description
Technical field
The invention belongs to soft foundation/mine tailings/lake silt job practices, refer in particular to a kind of method of utilizing supercharging, vacuum preloading mode to improve the soft soil foundation/mine tailings/lake silt of the soil body/slag/silt consolidation degree fast.
Background technology
At present, the soft base processing method of China has: 1, and the vacuum preconsolidation method; 2, dynamic compaction; 3, preloading; 4, vacuum pre-pressed joint preloading.Above several method is effective substantially to sandy soil layer, general soil layer, but it is all invalid to cohesive soil vacuum preconsolidation method, dynamic compaction, can only take preloading and vacuum pre-pressed joint preloading, but these two kinds of costs are higher, must lay the 50cm sand bedding course on the viscous layer, and not environmental protection, it is very big that the preloading filler is obtained difficulty, and engineering time is very long.For special viscosity soil property (transmission coefficient 〉=10
-7Silt matter clay), all can't solve the problem of consolidation strength and engineering time with above several method, can't be applicable to the special building needs that highway in China, railway, harbour and antidetonation rank are high.
The slag of China's tailing dam is built height after handling general employing box dam, and make its precipitation, and then build height, reppd method, its poor stability, when the slag water content was big, the dam body lateral pressure increased, and can occur striding stepping on, and potential safety hazard is big.
The lake silt of China adopts the accumulation mode air dry, disposes a pond often and then pollutes plot, and is big to environmental nuisance.
Summary of the invention
The present invention in order to overcome above-mentioned deficiency, provides the method for a kind of soft soil foundation/mine tailings/lake silt just, i.e. the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings/lake silt.Main innovation is the soil body/slag/mud is imposed vacuum and supercharging simultaneously, and vacuum allows the soil body/slag/mud moisture discharge fast, and the supercharging guiding soil body/slag/mud hydrone directed flow improves consolidation rate.Specifically implement like this: the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings/lake silt, it is characterized in that the plurality of rows plastic draining intralamellar part that level in the soil body/slag/mud is arranged vacuumizes, simultaneously to the even supercharging of the part soil body/slag/mud between plastic draining board.
The plastic draining intralamellar part is vacuumized, be that vacuum tube is directly inserted on the top of each plastic draining board, can make the vacuum tube system keep unimpeded, the grains of sand can't enter the vacuum tube system, the vacuum plastic draining intralamellar part that goes directly, the plastic draining board filter membrane is inside and outside to produce big pressure reduction, and water content is discharged fast.Adopt the hand y junction y when plastic draining board is connected with vacuum tube, described hand y junction y is made up of two parts, and the lower end is hollow box, and the protruding pipe that several are evenly distributed is set on the upper surface length direction of hollow box.(seeing the applicant's utility model patent ZL200620068366.3 for details).
To the even supercharging of the part soil body/slag/mud between plastic draining board, it is the permeable pressure inlet that evenly distributes in the soil body/slag/mud between plastic draining board, make the soil body/slag/mud hydrone directed flow under pressure, carry out rapidly solidified to soft base/mine tailings/lake silt, in the limited duration, increase substantially ground/slag/mud intensity and consolidated depth, eliminate settlement after construction, actual effect is better.Permeable preferably pressure inlet is the permeable pressure inlet of horizontal well (REFERENCE TO RELATED people's practical new patent ZL03220509.0) among the present invention, form by the Water penetrative flexible pipe that some joints link to each other successively, Water penetrative flexible pipe is made up of spirality flexible supporting frames and filter cloth, two of every joint Water penetrative flexible pipe is equipped with the nipple that can connect, be connected with conical head on the first segment flexible pipe front end, minor details flexible pipe rear end is connected with flange.This can the filtration and the permeable pressure inlet of shrinkable horizontal well distribution pressure at the uniform velocity, make the soil body/slag/mud hydrone under pressure directed flow improve consolidation rate.
Each plastic removal material band drain of horizontal positioned is the regular hexagon layout among the present invention, and a permeable pressure inlet is placed at each orthohexagonal center.Distance between each plastic draining board can be designed to 0.8-1.5m, only need during construction the plastic draining board along continuous straight runs is put in argillic horizon/slag/mud, this layout type can be saved sand bedding course and reduce construction costs when construction, can bring into play maximum draining and diversion function, guarantees treatment effect.
Method of the present invention can make the reinforcement mechanism of vacuum preloading and consolidation effect obtain true embodiment on viscosity soil property, tailing dam slag, lake silt, and consolidated depth is doubled, Gu the strong time has shortened half, cost is lower, and is safe and effective.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the plane working drawing.
The specific embodiment
Embodiment 1, the method of supercharging vacuum preconsolidation soft soil foundation/mine tailings/lake silt, the plurality of rows plastic draining intralamellar part that level in the soil body/slag/mud is arranged vacuumizes, simultaneously to the even supercharging of the part soil body/slag/mud between plastic draining board.
Claims (7)
1. the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings/lake silt, it is characterized in that the plurality of rows plastic draining intralamellar part that level in the soil body/slag/mud is arranged vacuumizes, simultaneously to the even supercharging of the part soil body/slag/mud between plastic draining board.
2. the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings according to claim 1/lake silt is characterized in that vacuum tube is directly inserted on the top of each plastic draining board.
3. the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings according to claim 2/lake silt, it is characterized in that adopting when plastic draining board is connected with vacuum tube the hand y junction y, described hand y junction y is made up of two parts, the lower end is hollow box, and the protruding pipe that several are evenly distributed is set on the upper surface length direction of hollow box.
4. the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings/lake silt of stating according to claim 1 is characterized in that being evenly distributed with permeable pressure inlet in the soil body/slag/mud between plastic draining board.
5. the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings/lake silt of stating according to claim 4, it is characterized in that permeable pressure inlet is the permeable pressure inlet of horizontal well, form by the Water penetrative flexible pipe that some joints link to each other successively, Water penetrative flexible pipe is made up of spirality flexible supporting frames and filter cloth, two of every joint Water penetrative flexible pipe is equipped with the nipple that can connect, be connected with conical head on the first segment flexible pipe front end, minor details flexible pipe rear end is connected with flange.
6. according to the method for the described supercharging vacuum preconsolidation of one of claim 1-5 soft soil foundation/mine tailings/lake silt, each the plastic removal material band drain that it is characterized in that horizontal positioned is the regular hexagon layout, and a permeable pressure inlet is placed at each orthohexagonal center.
7. the method for supercharging vacuum preconsolidation soft soil foundation/mine tailings according to claim 6/lake silt is characterized in that the distance between each plastic draining board is designed to 0.8-1.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101567875A CN101418566B (en) | 2008-09-26 | 2008-09-26 | Method for processing soft land base/tail slag/lake silt by supercharging preconsolidation at vacuum |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101567875A CN101418566B (en) | 2008-09-26 | 2008-09-26 | Method for processing soft land base/tail slag/lake silt by supercharging preconsolidation at vacuum |
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| CN101418566A true CN101418566A (en) | 2009-04-29 |
| CN101418566B CN101418566B (en) | 2011-01-12 |
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| CN2008101567875A Active CN101418566B (en) | 2008-09-26 | 2008-09-26 | Method for processing soft land base/tail slag/lake silt by supercharging preconsolidation at vacuum |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116022A (en) * | 2011-01-13 | 2011-07-06 | 中港基业（北京）岩土技术有限公司 | Method for treating soft foundation through overpressure vacuum densification |
| CN103074884A (en) * | 2013-01-11 | 2013-05-01 | 温州大学 | Deep decompression anatonosis type vacuum preloading foundation treatment method |
| CN104071960A (en) * | 2014-05-12 | 2014-10-01 | 江苏鑫泰岩土科技有限公司 | Ecological sludge treatment method |
| CN107642079A (en) * | 2017-08-25 | 2018-01-30 | 天津大学 | A kind of vacuum preloading injecting gas boosting pipe |
| CN107965349A (en) * | 2017-11-23 | 2018-04-27 | 长沙矿山研究院有限责任公司 | Water consolidates mixed slurry loading precompressed process for dewatering and coagulating |
| CN109505211A (en) * | 2019-01-16 | 2019-03-22 | 安徽鸿宇路桥工程有限公司 | Reinforcement of Soft Soil Subgrade method |
| CN111501729A (en) * | 2020-04-23 | 2020-08-07 | 中核第四研究设计工程有限公司 | Vacuum preloading drainage consolidation method for silt titanium dioxide tailings |
| CN111501730A (en) * | 2020-04-23 | 2020-08-07 | 中核第四研究设计工程有限公司 | Vacuum preloading drainage consolidation method for uranium tailing mud |
| CN112459552A (en) * | 2020-09-08 | 2021-03-09 | 中国电建集团华东勘测设计研究院有限公司 | Production waste residue protection structure of large sand aggregate processing system and construction method |
| CN112962573A (en) * | 2021-02-23 | 2021-06-15 | 江苏筑港建设集团有限公司 | Soft foundation reinforcement treatment structure and method combining surcharge preloading and vacuum preloading |
-
2008
- 2008-09-26 CN CN2008101567875A patent/CN101418566B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116022A (en) * | 2011-01-13 | 2011-07-06 | 中港基业（北京）岩土技术有限公司 | Method for treating soft foundation through overpressure vacuum densification |
| CN102116022B (en) * | 2011-01-13 | 2012-03-21 | 中港基业（北京）岩土技术有限公司 | Method for treating soft foundation through overpressure vacuum densification |
| CN103074884A (en) * | 2013-01-11 | 2013-05-01 | 温州大学 | Deep decompression anatonosis type vacuum preloading foundation treatment method |
| CN104071960A (en) * | 2014-05-12 | 2014-10-01 | 江苏鑫泰岩土科技有限公司 | Ecological sludge treatment method |
| CN104071960B (en) * | 2014-05-12 | 2015-10-28 | 江苏鑫泰岩土科技有限公司 | A kind of mud ecological treatment method |
| CN107642079A (en) * | 2017-08-25 | 2018-01-30 | 天津大学 | A kind of vacuum preloading injecting gas boosting pipe |
| CN107965349A (en) * | 2017-11-23 | 2018-04-27 | 长沙矿山研究院有限责任公司 | Water consolidates mixed slurry loading precompressed process for dewatering and coagulating |
| CN107965349B (en) * | 2017-11-23 | 2019-05-31 | 长沙矿山研究院有限责任公司 | Water consolidates mixed slurry load precompressed process for dewatering and coagulating |
| CN109505211A (en) * | 2019-01-16 | 2019-03-22 | 安徽鸿宇路桥工程有限公司 | Reinforcement of Soft Soil Subgrade method |
| CN111501729A (en) * | 2020-04-23 | 2020-08-07 | 中核第四研究设计工程有限公司 | Vacuum preloading drainage consolidation method for silt titanium dioxide tailings |
| CN111501730A (en) * | 2020-04-23 | 2020-08-07 | 中核第四研究设计工程有限公司 | Vacuum preloading drainage consolidation method for uranium tailing mud |
| CN112459552A (en) * | 2020-09-08 | 2021-03-09 | 中国电建集团华东勘测设计研究院有限公司 | Production waste residue protection structure of large sand aggregate processing system and construction method |
| CN112962573A (en) * | 2021-02-23 | 2021-06-15 | 江苏筑港建设集团有限公司 | Soft foundation reinforcement treatment structure and method combining surcharge preloading and vacuum preloading |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101418566B (en) | 2011-01-12 |
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Address after: Xin Zhuang Zhen Da Cheng Cun 214267 Jiangsu city of Yixing Province Patentee after: Jiangsu Xintai geotechnical materials Co. Ltd. Address before: Xin Zhuang Zhen Da Cheng Cun 214267 Jiangsu city of Yixing Province Patentee before: Yixing Xitai Geotextile Material Co., Ltd. |
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Address after: Xin Zhuang Zhen Da Cheng Cun 214267 Jiangsu city of Yixing Province Patentee after: Jiangsu Xintai Rock and Soil Technology Co.,Ltd. Address before: Xin Zhuang Zhen Da Cheng Cun 214267 Jiangsu city of Yixing Province Patentee before: Yixing Xitai Geotextile Material Co., Ltd. |
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Inventor after: Jin Yawei Inventor after: Jin Yajun Inventor after: Jiang Junnan Inventor after: Sun Jibing Inventor after: Tang Xiaowu Inventor after: Yang Guangqing Inventor after: Zhang Baojie Inventor before: Jin Yawei Inventor before: Jin Yajun Inventor before: Jiang Junnan Inventor before: Sun Jibing Inventor before: Tang Xiaowu |
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Free format text: CORRECT: INVENTOR; FROM: JIN YAWEI JIN YAJUN JIANG JUNNAN SUN QUBING TANG XIAOWU TO: JIN YAWEI JIN YAJUN JIANG JUNNAN SUN QUBING TANG XIAOWU YANG GUANGQING ZHANG BAOJIE |
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Inventor after: Jin Yawei Inventor after: Jin Yajun Inventor after: Jiang Junnan Inventor after: Sun Jibing Inventor after: Tang Xiaowu Inventor after: Yang Guangqing Inventor after: Zhang Baojie Inventor after: Cai Yuanqiang Inventor after: Wang Jun Inventor before: Jin Yawei Inventor before: Jin Yajun Inventor before: Jiang Junnan Inventor before: Sun Jibing Inventor before: Tang Xiaowu Inventor before: Yang Guangqing Inventor before: Zhang Baojie |
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Free format text: CORRECT: INVENTOR; FROM: JIN YAWEI JIN YAJUN JIANG JUNNAN SUN QUBING TANG XIAOWU YANG GUANGQING ZHANG BAOJIE TO: JIN YAWEI JIN YAJUN JIANG JUNNAN SUN QUBING TANG XIAOWU YANG GUANGQING ZHANG BAOJIE CAI YUANQIANG WANG JUN |