CN205171565U - Can monitor joint prevention of seepage system of many materials - Google Patents
Can monitor joint prevention of seepage system of many materials Download PDFInfo
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- CN205171565U CN205171565U CN201520816349.2U CN201520816349U CN205171565U CN 205171565 U CN205171565 U CN 205171565U CN 201520816349 U CN201520816349 U CN 201520816349U CN 205171565 U CN205171565 U CN 205171565U
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- impervious
- seepage
- carbon cloth
- layer
- integument
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Abstract
The utility model relates to a can monitor joint prevention of seepage system of many materials belongs to prevention of seepage technical field. This system is including built -in parcel layer, impervious monitoring layer and the carbon cloth that passes the carrier, maintains biography carrier basic configuration. The built -in carrier that passes sets up the parcel layer in the surface all around to keep passing the carrier fracture or built on stilts after basic physique and pass and carry a function, the parcel layer sets up impervious monitoring layer in seepage flow source side (upstream face) for it changes to resist seepage and real -time supervision seepage flow field, the outer carbon cloth that sets up in impervious monitoring layer is as the protection face of dispersion load, anti animals and plants destruction. All apply paint the cling compound between biography carrier, parcel layer, impervious monitoring layer, the carbon cloth with a brush and cohere the material in order to increase shear strength. The principle of this kind of prevention of seepage body is ripe reliable, accords with existing standard, preparation portably, can automatic adapt to the main part and warp, is showing the life -span that prolongs the prevention of seepage engineering, can carry out swift analysis, practice thrift the valuable time of speedily carrying out rescue work unusual seepage flow according to the monitoring data.
Description
Technical field
The utility model relates to one can monitor many materials associating seepage prevention system, belongs to seepage control technique field.
Background technology
The landslide of riverbank, dykes and dams, cave in disaster process, Pressure-seepage Flow plays significant effect, abnormal seepage flow not only corrosion has been taken away colloidal substance and fine grained in ground, has been caused it loose, also has the counter productives such as osmotic pressure promotes, floating holder, lubrication to Rock And Soil.The seepage control measure taked both at home and abroad is similar, mainly comprises filling grouting or curtain grouting, oozes etc. based on various antiseepages (intercepting water) wall of concrete or clay or self-solidifying ash, high-pressure rotary-spray or pendulum sprinkling irrigation slurry, geomembrane or panel bedding, lid weight.These conventional arts anti-seepage scheme research, alternative time, all do not consider the mutual damage deterioration of constructional materials and carefully see evolving trend, cause dykes and dams and basis thereof after anti-seepage reinforcing or specific investment cost is too high or the impervious body life-span is too short, overall benefit is general very low, the maintenance fund of millions of ~ tens million of unit of each cost, but infiltration antiskid index can only be made in several years to reach standard, far can not reach the designing requirement of economic life of a project (more than 50 years).Laterite is faintly acid, the support substance mainly SiO of its physical mechanics
2, Fe
2o
3, Al
2o
3, TiO
2deng.The recent research of project team shows: the alkaline reinforcement material such as cement, lime can not only with SiO
2, Fe
2o
3, Al
2o
3, TiO
2deng the deterioration reaction occurring to damage mutually, also can destroy the necessary acidic aqueous media of laterite cohesion, cause its particle destructing and material discrete, this uses traditional seepage control technique undoubtedly exactly on laterite ground and laterite class engineering, the basic reason that its benefit is too low.
In the laterite overlay area of this many earthquakes in Yunnan, the impervious body using homogenous material to form all also exists obvious life-span defect: the dependence of earth core, sloping core commute corrosion grain composition is very large, anti-seepage effect is poor, and the felt earthquake of lower earthquake intensity will cause lax segregation or fracture; The materials such as concrete, lime, self-solidifying ash belong to strong alkaline substance, its impervious wall formed not only cost and technical requirements high, and can with the laterite main body generation chemical reaction of acidity and destroy contact interface, cause a large amount of trickle piping; Geomembrane is too thin, is not only difficult to resist vegeto-animal the biting of many decades and tears, more built on stilts after the film that after being more difficult to adapt to consolidation, earthquake, the differential settlement of laterite is formed ...Therefore, the effective intensive monitoring of large area is implemented to impervious body and to adopt multiple material to carry out associating antiseepage imperative.
Mainly concentrate in five in the research of impervious body association area both at home and abroad.(1) the particle of laterite develops and gradation design: scholars or analyze the origin cause of formation of laterite, or the crumb structure of laterite is discussed and intercouples, or the design of research filter material and grading analysis method, or probe into the impact of grain composition on degree of compaction .....(2) the seepage flow of foreign material contact interface is with stable: have scientific and technical personnel to have studied the mechanical property of contact interface, the frictional resistance that the larger material contacting surface of difference is then discussed had and shear property.(3) antiseepage and reinforcing: have scholar to be conceived to the influence research of crack to clay cohesive force that seep water, or point bleed-native mechanism of action, or seepage prevention design method is discussed, or studies for the Performance Evaluation Technique of impervious body, or analyze the relation of reservoir level and phreatic line ...(4) relevant to construction technique: the scientific and technical personnel such as had have studied technique and the method for quality control of high-pressure injection, and what have has inquired into the reinforcement process of weak soil, what have then analyzes the material of impervious wall for simplifying construction technology ...(5) anti-seismic performance and index: have the relation of scholar to the impervious wall degree of depth and seismic stability to analyze, the dynamic characteristics of soil and liquefaction phenomenon when also having scholar to inquire into earthquake respectively.The above-mentioned research in impervious body association area, is all emulation and the analysis of experiments of the aspect such as performance, application, reparation of carrying out for " single impervious material ", does not retrieve the research information relevant to " many materials associating antiseepage ".
In project of national nature science fund project (50869003, 41462013, 51069003), Yunnan Province's applied basic research plan key project (2013FA033), Yunnan Province Natural Science Fund In The Light (1991E016Q, 1995YI016, 1997E047M, 2010ZC048), and education department of Yunnan Province (10968221, 10978057), innovation team of Kunming University of Science and Technology (14098193), under Classic Course (10968137) etc. are repeatedly set up the project and subsidized, the improper deterioration factor of laterite impervious body has been understood fully by project team, has known the erosion of the highly basic such as cement to laterite material, and proposing traditional impervious body, to reprocess the phase too short, be difficult to the root reaching projected life, distinct comparatively long-term material damages evolution mechanism mutually, and invented optical fiber geomembrane and obtained 3 licenses, more research paper is at " geotechnical engineering journal ", " Chinese Journal of Rock Mechanics and Engineering ", " Journal of Building Materials ", " hydroelectric generation journal ", " AdvancedMaterialsResearch ", " AppliedMechanicsandMaterials " etc. domestic and international authoritative journal is delivered, and by SCI, the internationally famous searching mechanism such as EI is included.Achievement in research shows: antiseepage antiskid technology and the reinforcement material of laterite ground and dykes and dams employing so far all exist obvious shortcoming.Erosion is combined for a long time due to factors such as chemical reaction, mechanics effect, soil-water interaction, these defects only rely on the traditional measures such as material sieves, structure rolls, anti-filter draining, reinforcement filling obviously all cannot effect a radical cure, repeatedly Reinforcement is carried out to impervious body in short period, in many laterite engineerings, cause huge waste, and define the bottleneck that development is continued in this field of restriction.Therefore, research not only has respective strengths but also can resist environmental attack, is convenient to many materials of large area intensive monitoring associating seepage prevention systems, has become very urgent task.Within 2014, apply for and got permission project of national nature science fund project specially for this reason: the antiseepage new model that seepage flow brings out laterite landslide is explored, project approval number: 41462013.
Various environmental attack all develops from outside to inside gradually, if traditional impervious body and corrosive deposit can be kept apart, then long-term erosion problem can be readily solved.The advantages such as geomembrane belongs to cheap acid and alkali-resistance flexible corrosion protection material, and transmission coefficient is little except having, easy construction, repairing are quick, its durability has also exceeded the design economic life of dykes and dams, is preferred material that is impervious, isolation.The major defect of geomembrane is: 1. intensity is too low, and whether the planeness of bed course and stability determine geomembrane to a great extent long-lived; 2. can not determine damaged part in time, will valuable speedily carrying out rescue work the time be lost thus.1. individual problem, this project team select there is suitable intensity and can adapt to earth-structure deformation drag transition material---carbon cloth solves, this material acid-alkali-corrosive-resisting, resistance to wear and pierce through, being suitable for being on active service for a long time in adverse circumstances, being widely used among construction work; Aforesaid 2. individual key technology, seminar obtains substantial progress in the project of concluding, has delivered related ends, obtains " optical fiber geomembrane " patent for invention, can realize the intensive monitoring of real-time large area of impervious body.
Earthquake very easily makes Rock soil Foundation and dykes and dams occur, and crack and inside are maked somebody a mere figurehead.The utility model is using clay or concrete as built-in posting body, keep posting body to rupture with carbon cloth or gauze wire cloth or geotextile or built on stilts after basic body and posting function provide uniform drag and smooth bed course for geomembrane, using optical fiber geomembrane come impervious and as monitor carrier, the antidetonation leakage preventing structure of triplicity and excellent.The optical fiber geomembrane adopted in this impervious body is not only the carrier of the intensive monitoring of large area, also solves the ubiquitous interface attack difficult problem of traditional impervious body as separation layer.In water vegeto-animal bite to tear resisted by carbon cloth; And built-in posting body not only gives geomembrane with suitable planar support and load transmission, also will bear the setting task of facade impervious body.If inner built on stilts or fracture appears in posting body, by by high strength and the carbon cloth of flexibility adjusts its shape automatically, with adapt to basis or dykes and dams main body, guarantee its power transmission effect.As the drag protection bed course of geomembrane, carbon cloth is also by the effect playing uniform load, avoid stress to concentrate.Therefore, this novel associating impervious body can avoid the erosion generally occurred so far, built on stilts, brittle failure, leaches, tears, spreads etc. impervious body disease.
The utility model is by project of national nature science fund project (50869003,41462013,51069003), research is subsidized in Yunnan Province's applied basic research plans key project (2013FA033) etc., mainly solve the fracture of traditional impervious body or built on stilts after resistance ooze inefficacy, seepage flow and sharply worsen and bring out that ground comes down, a difficult problem for the disaster such as to cave in, and significantly can reduce leakage, the evolution of long term monitoring seepage flow, make a definite diagnosis the disease position of built-in anti-seepage body.This impervious body is shock-proof durable not only, and speedily carries out rescue work for geological disaster and abnormal seepage flow is administered and provided foundation accurately.
Summary of the invention
For above-mentioned prior art Problems existing and deficiency, the utility model provides one can monitor many materials associating seepage prevention system.This impervious body is using clay or concrete as built-in posting body, keep the post-rift basic body of posting body and posting function with carbon cloth or gauze wire cloth or geotextile and provide uniform drag and smooth bed course for geomembrane, using optical fiber geomembrane come impervious and as monitor carrier, namely triplicity obtains the excellent durable structure of antidetonation barrier performance.The principle mature and reliable of this impervious body, meets current specifications, simple for production, automatically can adapt to the distortion of project subject, and can carry out quick analysis, disease accurate positioning according to monitored data to abnormal seepage flow.The utility model is achieved through the following technical solutions.
As shown in Figure 1, thisly monitor many materials associating seepage prevention system, comprise built-in posting body 1, the integument 2 maintaining posting body basic configuration, impervious monitor layer 3 and carbon cloth 4.Built-in posting body 1 surrounded surface arranges integument 2, and integument 2 carrys out source (upstream face) at seepage flow and arranges impervious monitor layer 3, arranges carbon cloth 4 outside impervious monitor layer 3, as the protective surface that dispersion load, anti-animals and plants are destroyed.Between posting body 1, integument 2, impervious monitor layer 3, carbon cloth 4 all brushing antiskid binding material (as asphalt emulsion) to increase shear strength.
Described posting body 1 adopts clay or concrete to make, and fills form within integument 2 by current specifications.
Described integument 2 adopts carbon cloth, gauze wire cloth or geotextile to make.
Described impervious monitor layer 3 adopts optical fiber geomembrane to make, and covers carbon cloth 4 outside upstream face.
As shown in Figure 2, the application of this impervious body: impervious body 5 fills by current specifications with the dam shell 6 of dykes and dams simultaneously, synchronously increase, finally builds drainage prism 7 by laying bricks or stones.Optical fiber geomembrane 3 on impervious body 5 is in the face of water (flow) direction, and the protective surface that upstream face coated carbon cloth 4 is destroyed as dispersion load, anti-animals and plants, the combination interface brushing asphalt emulsion of carbon cloth and geomembrane is to increase cling property.Embedding from impervious body to two sides, build the cutoff trench of elevation, bottom by laying bricks or stones, wave wall and upstream and downstream bank protection etc. all without special part, by existing earth and rockfill dam enforcement of regulations.
The beneficial effects of the utility model are:
(1) difficult problem that traditional impervious body sharply worsens at fracture, inner built on stilts rear seepage flow is solved
Impervious body very easily ruptures under seismic load; Under the long-term corrosion of Pressure-seepage Flow, impervious body inside cannot avoid thin sight to make somebody a mere figurehead.Tradition impervious body fracture or inner built on stilts after seepage discharge obviously strengthen, the piping caused thus, draw brush and passing and make crack and built on stiltsly sharply to develop, cause Rock And Soil come down or cave in.
In the utility model, traditional impervious body does not only use as impervious body as posting body, and therefore it ruptures or makes somebody a mere figurehead all does not affect seepage discharge.Integument in the utility model and impervious monitor layer are flexible material, in posting body fracture, inner built on stilts and even after caving in, automatically the distortion of posting body can both be adapted to, significantly reduce the outflow of larger particles, and the basic body of its antiseepage, power transmission can be maintained, thus avoid the disease development of seepage flow and worsen.
(2) prevent animals and plants to the destruction of impervious body
Clay class, the growth of geomembrane class impervious body to plant pierce through, biting of animal tears shortage defence capability, and this is also the major reason that traditional impervious body wrecks.The carbon cloth of the utility model employing high strength or gauze wire cloth, as surperficial integument, effectively can resist the destruction of various concentrated stress to impervious body.
(3) impervious body has been blocked and the mutual of other material damages deterioration
Concrete, pozzolan, self-solidifying ash class impervious body all belongs to basic matterial, with the laterite dykes and dams major ingredient of acidity, long-term chemical reaction occurs, and product is solvable or be powdery, is very easily taken away by Pressure-seepage Flow, thus causes traditional impervious body that the diseases such as thin sight piping occur.In the utility model, corrosion resistant integument and impervious monitor layer are effectively kept apart posting body and dykes and dams major ingredient, greatly reduce the possibility that material corrodes mutually.
(4) change of seepage flow can be monitored
Impervious monitor layer in the utility model is the optical fiber geomembrane having obtained 3 patents for invention, utilizes fiber optic sensor technology and correlation spectrum theory, all can realize long-term intensive Quantitative Monitoring to seepage discharge and sudden change thereof.Therefore, this impervious body can early warning seepage flow disease, the ground landslide that the abnormal seepage flow of effective strick precaution causes or the routed disaster of collapsing of dykes and dams.
(5) position of disease can be made a definite diagnosis
After disease appears in tradition impervious body, can only revolve according to the water of dykes and dams upstream and flow out with the water in downstream the position that ease point roughly judges disease.But due to reasons such as the crack of each layer of dykes and dams are not corresponding, seepage flow spreads in dam material, the error of this disease location is very large, and the cost that often can only expend several times and even decades of times carries out general impermeable management.Temperature, the stress at seepage abnormality position are all obvious with the difference of normal portions, impervious monitor layer in the utility model can predict the sudden change of each point temperature, stress, therefore, it is possible to make a definite diagnosis the position of disease, thus save considerably piping or native the speedily carrying out rescue work the time of stream, and can early warning seepage flow disease, the ground landslide that the abnormal seepage flow of effective strick precaution causes or the routed disaster of collapsing of dykes and dams.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the application drawing of the utility model impervious body in dykes and dams.
In figure: 1-posting body, 2-integument, the impervious monitor layer of 3-, 4-carbon cloth, 5-the utility model impervious body, the dam shell of 6-dykes and dams, 7-drainage prism.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, this can monitor many materials associating seepage prevention system, comprises built-in posting body 1, the integument 2 maintaining posting body basic configuration, impervious monitor layer 3 and carbon cloth 4.Built-in posting body 1 surrounded surface arranges integument 2, and integument 2 carrys out source (upstream face) at seepage flow and arranges impervious monitor layer 3, arranges carbon cloth 4 outside impervious monitor layer 3, as the protective surface that dispersion load, anti-animals and plants are destroyed.Between posting body 1, integument 2, impervious monitor layer 3, carbon cloth 4 all brushing antiskid binding material (asphalt emulsion) to increase shear strength.
Wherein posting body 1 adopts clay to make, and fills form within integument 2 by current specifications; Integument 2 adopts carbon cloth to make; Impervious monitor layer 3 adopts optical fiber geomembrane to make, and covers carbon cloth 4 outside upstream face.
Embodiment 2
As shown in Figure 1, this can monitor many materials associating seepage prevention system, comprises built-in posting body 1, the integument 2 maintaining posting body basic configuration, impervious monitor layer 3 and carbon cloth 4.Built-in posting body 1 surrounded surface arranges integument 2, and integument 2 carrys out source (upstream face) at seepage flow and arranges impervious monitor layer 3, arranges carbon cloth 4 outside impervious monitor layer 3, as the protective surface that dispersion load, anti-animals and plants are destroyed.Between posting body 1, integument 2, impervious monitor layer 3, carbon cloth 4 all brushing silicone sealant as antiskid binding material, to increase shear strength.
Wherein posting body 1 adopts concrete to make, and builds form within integument 2 by current specifications; Integument 2 adopts gauze wire cloth to make; Impervious monitor layer 3 adopts optical fiber geomembrane to make, and covers carbon cloth 4 outside upstream face.
Embodiment 3
As shown in Figure 1, this can monitor many materials associating seepage prevention system, comprises built-in posting body 1, the integument 2 maintaining posting body basic configuration, impervious monitor layer 3 and carbon cloth 4.Built-in posting body 1 surrounded surface arranges integument 2, and integument 2 carrys out source (upstream face) at seepage flow and arranges impervious monitor layer 3, arranges carbon cloth 4 outside impervious monitor layer 3, as the protective surface that dispersion load, anti-animals and plants are destroyed.Between posting body 1, integument 2, impervious monitor layer 3, carbon cloth 4 all brushing antiskid binding material (acrylic sealant) to increase shear strength.
Wherein posting body 1 adopts concrete to make, and builds form within integument 2 by current specifications; Integument 2 adopts geotextile to make; Impervious monitor layer 3 adopts optical fiber geomembrane to make, and covers carbon cloth 4 outside upstream face.
Below by reference to the accompanying drawings detailed description of the invention of the present utility model is explained in detail, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (4)
1. can monitor many materials associating seepage prevention system for one kind, it is characterized in that: comprise built-in posting body (1), the integument (2) maintaining posting body basic configuration, impervious monitor layer (3) and carbon cloth (4), built-in posting body (1) surrounded surface arranges integument (2), integument (2) carrys out source at seepage flow and arranges impervious monitor layer (3), carbon cloth (4) is set outside impervious monitor layer (3), equal brushing antiskid binding material between posting body (1), integument (2), impervious monitor layer (3), carbon cloth (4).
2. according to claim 1ly monitor many materials associating seepage prevention system, it is characterized in that: described posting body (1) adopts clay or concrete to make.
3. according to claim 1 monitor many materials associating seepage prevention system, it is characterized in that: described integument (2) adopt carbon cloth, gauze wire cloth or geotextile make.
4. according to claim 1ly monitor many materials associating seepage prevention system, it is characterized in that: described impervious monitor layer (3) adopts optical fiber geomembrane to make, and covers carbon cloth (4) outside upstream face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816349.2U CN205171565U (en) | 2015-10-22 | 2015-10-22 | Can monitor joint prevention of seepage system of many materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816349.2U CN205171565U (en) | 2015-10-22 | 2015-10-22 | Can monitor joint prevention of seepage system of many materials |
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| Publication Number | Publication Date |
|---|---|
| CN205171565U true CN205171565U (en) | 2016-04-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297783A (en) * | 2015-10-22 | 2016-02-03 | 昆明理工大学 | Detectable multi-material joint anti-seepage system |
| CN108279255A (en) * | 2018-02-09 | 2018-07-13 | 朱传磊 | A kind of large hydraulic engineering seepage flow real-time detection apparatus |
| CN114809139A (en) * | 2022-05-07 | 2022-07-29 | 中国安能集团第三工程局有限公司 | Method for rapidly repairing seepage of earth-rock cofferdam with deep and thick covering layer |
-
2015
- 2015-10-22 CN CN201520816349.2U patent/CN205171565U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297783A (en) * | 2015-10-22 | 2016-02-03 | 昆明理工大学 | Detectable multi-material joint anti-seepage system |
| CN105297783B (en) * | 2015-10-22 | 2017-03-08 | 昆明理工大学 | One kind can monitor many material joint seepage prevention systems |
| CN108279255A (en) * | 2018-02-09 | 2018-07-13 | 朱传磊 | A kind of large hydraulic engineering seepage flow real-time detection apparatus |
| CN108279255B (en) * | 2018-02-09 | 2021-01-26 | 山东省水利科学研究院 | Large-scale hydraulic engineering seepage flow real-time detection device |
| CN114809139A (en) * | 2022-05-07 | 2022-07-29 | 中国安能集团第三工程局有限公司 | Method for rapidly repairing seepage of earth-rock cofferdam with deep and thick covering layer |
| CN114809139B (en) * | 2022-05-07 | 2023-12-26 | 中国安能集团第三工程局有限公司 | Rapid repairing method for leakage of deep coverage earth-rock cofferdam |
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