CN1203238C - Special clay hardening slurry - Google Patents
Special clay hardening slurry Download PDFInfo
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- CN1203238C CN1203238C CN 02121562 CN02121562A CN1203238C CN 1203238 C CN1203238 C CN 1203238C CN 02121562 CN02121562 CN 02121562 CN 02121562 A CN02121562 A CN 02121562A CN 1203238 C CN1203238 C CN 1203238C
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- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention provides special clay solidifying slurry having the advantages of controllable early strength time, shock resistance, dilution resistance, hydrodynamic pressure resistance, frost resistance, simple operation, low cost, etc. Because the special clay solidifying slurry has the characteristics of high water absorbing rate, high groutability, early solidifying performance, strong water dilution resistance, etc., the slurry can be injected under the state of fluid groundwater and the conditions of large solution cavities and large crevices. Because the initial coagulation time, the final coagulation time, the early strength, etc. of the slurry can be adjusted in a large scale, the slurry can be injected at intervals and can be injected repeatedly. The slurry has groundwater resistance, acid erosion resistance and alkali erosion resistance because of strong chemical inertance. The reliability of the slurry exceeds 95%. The compressive strength of coagulated bodies reaches 2 to 5MPa. The permeability coefficient of treated earthen structures, treated foundations, etc. is reduced by 2 to 3 orders of magnitude. Compared with the existing grouting materials, the slurry reduces the unit cost by more than 30% and effectively solves technical problems which need to be solved rapidly in civil engineering such as engineering reinforcement, the construction of seepage preventing curtains, etc.
Description
Technical field
The present invention relates to a kind of novel clay soil hardening slurry to being adopted in enforcement grouting and reinforcings such as engineering foundation and earthen structure and side slope and the construction seepage proof curtain engineering.Belong to constructional materials.
Background technology
Mine construction in the construction work and mining engineering, traffic tunnel engineering, side slope training works, city underground engineering, underground people's air defense and defence construction, base pit engineering, dyke seepage control stabilization works and the most number average of other underground geotechnical engineering need adopt the way of slip casting to implement antiseepage water blockoff and consolidation process, to guarantee engineering smooth construction and safe operation in the future.At present, the cement grout of extensive use both at home and abroad and unselected clay slurries etc. remain the shortcoming that is difficult to control and low, the anti-flowing pressure poor performance of adjustment, antidetonation and anti-permeability performance, anti-underground water (mineralising) and acid, basic ion erosiveness deficiency at initial setting time and final setting time, cause ground stabilization, sealing leak stopping, anti-collapsely prevent that the workmanship of sinking and reliability become a difficult problem to be solved is arranged.The dyke seepage control consolidation process is especially true.According to China National Library, china academia JOURNAL ABSTRACTS, CSCD, Chinese science and technology paper statistics and analytical database, CNKI, website, Europe and Univ California-Berkeley library altogether both at home and abroad the Internet of dozens of site databases search the result, there is no the reported in literature similar both at home and abroad to the present invention.
Summary of the invention
The objective of the invention is to: a kind of clay hardening slurry that early coagulates with early strong (time is controlled), antidetonation, anti-dilution, anti-underground water flowing pressure and freeze proof characteristic and construction simple and inexpensive that has is provided, solves the ground stabilization, sealing leak stopping, anti-collapse anti-heavy a workmanship and the reliability difficult problem that exist in the civil engineering.
The present invention realizes as follows: by theory analysis and the experimental study to the used raw-material mineralogical composition of hardening slurry, chemical composition and mixing back chemical reaction, adopt the mathematical optimization analytical technology to influence size performance and in soil layer the key factor of Diffusion Law and action effect carry out squama and select, thereby, determine the manufacturing materials proportioning index and the technological process of clay hardening slurry and corresponding structure agent thereof with this for clay hardening slurry and corresponding structure agent thereof preparation provides the call parameter that accords with various actual conditions.Again according to on-the-spot slip casting test, research and construction technology and the service condition thereof of summing up clay hardening slurry slip casting.Determined that the slurries compound method is as follows: slurries are made up of structural agent and major ingredient and water.Structural agent is made up of the multi mineral goods: be all 0.04～0.20mm by raw material particle size, raw material weight is than the solid-state powder that is mixed with for silica 1 0～37%, calcium oxide 12～43%, calcium aluminate 15～40%, aluminum potassium sulfate 6～54% physical mixed.Major ingredient is to be that the Portland cement of 0.05～0.10mm or slag cements, particle diameter are raw material less than the clay of 0.05mm by particle diameter, by weight the solid mixt that is mixed with for cement 20～50%, clay 50～80%.Again by weight evenly being mixed with slurries for structural agent 2～20%, major ingredient 37～50%, water 40～60% mixs.When construction is used, requirement according to concrete engineering design technology index, get job site clay allotment slurries sample,, determine to be applicable to the accurate proportioning of slurries of job site clay soil property through to the calculus body standard curing of slurries and after detecting its performance and reaching technical indicator.
Characteristics of the present invention are: clay hardening slurry has the water absorption rate height, flow with pumpability is good, early strength is high and controlled, initial setting time and final setting time is adjustable and resist water-reducible characteristic by force.Can carry out slip casting under (even under bigger groundwater velocity and higher flowing pressure situation) and cavern and the big crack condition under the Groundwater Flow state.Major ingredient---clay can be gathered materials on the spot, and makes construction simple and reduced the slurry material cost.The initial setting time of slurries can from several seconds to dozens of minutes, final setting time and early stage intensity all can be looked concrete engine request and be adjusted on a large scale, thereby can carry out gap slip casting, repeat slip casting to improve slip casting effect.It is strong because of the big anti-seismic performance of plasticity that slurries solidify the formed calculus body in back.The calculus body that slurries congeal into makes the whole water plugging effect of its grouting curtain good because of the characteristics with certain dilatancy, little transmission coefficient, high leakproofness.The clay mineral that chemical inertness is strong has improved the ability that the anti-underground mineralized water of calculus body and acid, basic ion corrode.The reliability of slurries surpasses 95%.After ground and dykes and dams adopted clay hardening slurry slip casting to handle, the transmission coefficient that adds solid reduced by 2～3 orders of magnitude.The compressive strength of slurries calculus body (standard curing in 28 days) reaches 2Mpa～5Mpa.Compare with the slurries of existing traditional slip casting (be as water/binder ratio 0.5: 1 cement grout), the unit price of clay hardening slurry has reduced more than 30%.
The specific embodiment
Embodiments of the invention are as follows: with Huangshi section river bank, Hunan Province, Chinese the Changjiang river clay soil property is example.In the dam reinforcement seepage control project, select for use: the structural agent raw material particle size is all 0.05～0.08mm, and raw material variety and weight ratio are: silica 1 2%, calcium oxide 31%, calcium aluminate 33%, aluminum potassium sulfate 24%.Major ingredient is to be that slag cements, the particle diameter of 0.06～0.08mm is raw material less than the clay of 0.05mm by grain, by weight be that cement 38%, clay 62% are prepared.Again by weight evenly being mixed with slurries for structural agent 16%, major ingredient 40%, water 44% mix.Slurries calculus reliability is 98%, and the transmission coefficient that adds solid reduces by 3 orders of magnitude, and slurries calculus body compressive strength is 5MPa, and the unit materials cost of slurries reduces by 38%.
Claims (2)
1. the clay hardening slurry to being adopted in engineering foundation and earthen structure and side slope enforcement grouting and reinforcing and the construction seepage proof curtain engineering is characterized in that: be to be all 0.04～0.20mm by raw material particle size, weight ratio is a silica 1 0～37%, calcium oxide 12～43%, calcium aluminate 15～40%, Portland cement or slag cements that structural agent that aluminum potassium sulfate 6～54% is mixed with through physical mixed and particle diameter are 0.05～0.10mm, particle diameter is a cement 20～50% less than the clay of 0.05mm by weight, clay 50～80% constitutes through major ingredient and the water that physical mixed is mixed with.
2. the described clay hardening slurry of claim 1 is characterized in that: be the slurries that evenly are mixed with by weight for structural agent 2～20%, major ingredient 37～50%, water 40～60% mixs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02121562 CN1203238C (en) | 2002-06-26 | 2002-06-26 | Special clay hardening slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02121562 CN1203238C (en) | 2002-06-26 | 2002-06-26 | Special clay hardening slurry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1464143A CN1464143A (en) | 2003-12-31 |
| CN1203238C true CN1203238C (en) | 2005-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02121562 Expired - Fee Related CN1203238C (en) | 2002-06-26 | 2002-06-26 | Special clay hardening slurry |
Country Status (1)
| Country | Link |
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| CN (1) | CN1203238C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387781C (en) * | 2005-05-31 | 2008-05-14 | 王铁元 | Antiseepage and water preserving method |
| CN106013051A (en) * | 2016-06-08 | 2016-10-12 | 深圳市宏业基基础工程有限公司 | Special clay curing liquid deep stirring method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563084A (en) * | 2014-09-11 | 2015-04-29 | 张殿凤 | Seepage-proofing and water-retaining method |
| CN106866065A (en) * | 2017-01-17 | 2017-06-20 | 浙江广川工程咨询有限公司 | A kind of antiseepage corrosion resistant concrete clay hardening slurry and preparation method thereof |
| CN110922973A (en) * | 2019-11-21 | 2020-03-27 | 哈尔滨工业大学 | Mixed mineral base grouting material for reinforcing coastal port foundation |
-
2002
- 2002-06-26 CN CN 02121562 patent/CN1203238C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387781C (en) * | 2005-05-31 | 2008-05-14 | 王铁元 | Antiseepage and water preserving method |
| CN106013051A (en) * | 2016-06-08 | 2016-10-12 | 深圳市宏业基基础工程有限公司 | Special clay curing liquid deep stirring method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1464143A (en) | 2003-12-31 |
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