CN201803933U - Geotechnical anti-seepage system structure breakage point anti-seepage assessment device - Google Patents
Geotechnical anti-seepage system structure breakage point anti-seepage assessment device Download PDFInfo
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- CN201803933U CN201803933U CN2009202206249U CN200920220624U CN201803933U CN 201803933 U CN201803933 U CN 201803933U CN 2009202206249 U CN2009202206249 U CN 2009202206249U CN 200920220624 U CN200920220624 U CN 200920220624U CN 201803933 U CN201803933 U CN 201803933U
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Abstract
The utility model discloses a geotechnical anti-seepage system structure breakage point anti-seepage assessment device, which comprises a natural environment simulator, an orifice seepage instrument and a constant pressure water feeder, wherein the natural environment simulator and the orifice seepage instrument are formed by simulating the actual project design according to the similar proportion. The orifice seepage instrument is erected on the natural environment simulator, and the orifice seepage instrument is connected with the constant pressure water feeder. The geotechnical anti-seepage system structure breakage point anti-seepage assessment device can measure the limited seepage flow of a standard breakage point so as to provide risk assessment data for an engineering anti-seepage system and provide the basis for engineering economy analysis and investment decision.
Description
Technical field
The utility model relates to a kind of antiseepage apparatus for evaluating, particularly relates to a kind of geotechnological seepage control system breaking point antiseepage apparatus for evaluating.
Background technology
Now, water resource is in short supply day by day to have become the difficult problem that the whole world faces, and protecting water resource effectively also is global obligation.The protection water resource has two approach substantially, and the one, possess existing water resource effectively; Another then is to prevent noxious material contaminant water environment; No matter be the sort of mode, all relate to an engineering, project seepage controlling technology that Here it is.
Most economical in the project seepage controlling technology at present, effective measures use geomembrane to construct fluid-tight impervious barrier exactly, but also face a problem, and very thin exactly geomembrane is easy to destroyed damage, produces seepage in engineering.This almost is a unavoidable difficult problem.Because the system of any artificial construction all certainly exists certain defective, this defective may produce in process of production, also may produce in operational process; Human technology can not be eliminated defective fully, can only make great efforts to improve the safe and reliable probability of system, reduce the probability that defective takes place.
The reliability that improves system in the project seepage controlling system is faced with a huge cost again and improves problem, and seepage control project itself is exactly the relatively selection of an output benefit/input cost, and engineering itself also is to allow defective to a certain degree to exist, the seepage that is certain limit, quantity is allowed to, this allow be according to the comprehensive evaluation of the plentiful degree of resource and the extent of injury of seepage or the like factor.
Yet under present technical conditions, in the engineering reality, the seepage that much degree can take place seepage control system on earth but is unpredictable or unpredictable; This brings many blindnesses for engineering economic analysis and engineering decision.
The utility model content
The utility model aims to provide a kind of for the project seepage controlling system provides the risk assessment data, and the geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of foundation is provided for engineering economic analysis, investment decision.
The technical scheme of a kind of geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of the utility model is as follows:
A kind of geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of the utility model comprises physical environment simulator, aperture permeameter and constant pressure water supply device; Described physical environment simulator and aperture permeameter all are to form according to similar proportion simulation actual engineering design; Described aperture permeameter is erected on the described physical environment simulator, and described aperture permeameter links to each other with described constant pressure water supply device;
Described physical environment simulator is made of punched steel plate base and steel plate wall, and the cross sectional shape of described steel plate wall is identical with described punched steel plate base shape, and described steel plate wall is fixedly connected on the described punched steel plate base;
Described aperture permeameter comprises base plate, wall, cover plate, position-limited hoop, water intaking valve and tensimeter; Described base plate center has the hole, the cross sectional shape of the inwall of described wall and the shape of base plate, specification are identical, the outer wall of described wall is identical with shape, the specification of the inwall of described position-limited hoop, one end of described wall is rolled up outward, and the outside after the outer volume is identical with shape, the specification of described cover plate; Described base plate is fixedly connected on the inside bottom of described wall, described cover plate is fixedly connected on the crimping of described wall by bolt and sealing silica gel, described position-limited hoop is fixedly connected on the outside of described wall, described water intaking valve is connected on the described wall, and described tensimeter is connected on the described cover plate.
The beneficial effect of a kind of geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of the utility model is:
Using a kind of geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of the utility model can the limited seepage discharge of bioassay standard breaking point, thereby for the project seepage controlling system provides the risk assessment data, for engineering economic analysis, investment decision provide foundation.
Description of drawings
Fig. 1 is the synoptic diagram of a kind of geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of the utility model;
Fig. 2 is that the physical environment simulator constitutes synoptic diagram;
Fig. 3 is that the aperture permeameter constitutes synoptic diagram;
1, physical environment simulator, 2, the aperture permeameter, 3, the constant pressure water supply device, 4, the punched steel plate base, 5, the steel plate wall, 6, base plate, 7, wall, 8, cover plate, 9, position-limited hoop, 10, water intaking valve, 11, tensimeter, 12, caulking gum.
Embodiment
Referring to accompanying drawing 1, a kind of geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of the utility model comprises physical environment simulator 1, aperture permeameter 2 and constant pressure water supply device 3; Described aperture permeameter 2 is erected on the described physical environment simulator 1, and described aperture permeameter 2 links to each other with described constant pressure water supply device 3.
Described physical environment simulator is made of punched steel plate base 4 and steel plate wall 5, and the cross sectional shape of described steel plate wall 5 is identical with described punched steel plate base 4 shapes, and described steel plate wall 5 is fixedly connected on the described punched steel plate base 4;
Described aperture permeameter comprises base plate 6, wall 7, cover plate 8, position-limited hoop 9, water intaking valve 10 and tensimeter 11; Described base plate 6 centers have the hole, the cross sectional shape of the inwall of described wall 7 is identical with shape, the specification of base plate 6, the outer wall of described wall 7 is identical with shape, the specification of the inwall of described position-limited hoop 9, one end of described wall 7 is rolled up outward, and the outside after the outer volume is identical with shape, the specification of described cover plate 8; Described base plate 6 is fixedly connected on the inside bottom of described wall 7, described cover plate 8 is fixedly connected on the crimping of described wall 7 by bolt and sealing silica gel 12, described position-limited hoop 9 is fixedly connected on the outside of described wall 7, described water intaking valve 10 is connected on the described wall 7, and described tensimeter 11 is connected on the described cover plate 8.
Wherein, described physical environment simulator 1 and aperture permeameter 2 all are to form according to similar proportion simulation actual engineering design.
When using a kind of geotechnological seepage control system structural failure point antiseepage apparatus for evaluating of the utility model, computing method are as follows:
q＝η·f(h)
In the formula:
η---similar proportion;
F (h)---corresponding to the test seepage discharge of corresponding hydraulic pressure;
Wherein, definite method of similar proportion η is as follows:
When the place soil layer is that soil layer for sleeping in is the high osmosis soil layer under the geomembrane, comprise as the high osmosis soil layer: when erratic boulder gravelly sand, gravel, coarse sand, medium sand, fine sand etc., the η value is 1.0;
When the place soil layer is that soil layer for sleeping in is the low-permeability soil layer under the geomembrane, during as silt, cohesive soil, the η value is
In the formula, H
1Be experimental simulation layer thickness, H
2Soil thickness for sleeping under the geomembrane of nature place.
Q＝K
f·q·s
In the formula:
Q-seepage control system total water leakage, m
3/ h;
K
fStandard breaking point probability under the-unit area, 1/km
2
The limited seepage discharge of q-standard breaking point, m
3/ h;
S-seepage control system area, km
2
Claims (1)
1. a geotechnological seepage control system breaking point antiseepage apparatus for evaluating is characterized in that: comprise physical environment simulator, aperture permeameter and constant pressure water supply device; Described physical environment simulator and aperture permeameter all are to form according to similar proportion simulation actual engineering design; Described aperture permeameter is erected on the described physical environment simulator, and described aperture permeameter links to each other with described constant pressure water supply device;
Described physical environment simulator is made of punched steel plate base and steel plate wall, and the cross sectional shape of described steel plate wall is identical with described punched steel plate base shape, and described steel plate wall is fixedly connected on the described punched steel plate base;
Described aperture permeameter comprises base plate, wall, cover plate, position-limited hoop, water intaking valve and tensimeter; Described base plate center has the hole, the cross sectional shape of the inwall of described wall and the shape of base plate, specification are identical, the outer wall of described wall is identical with shape, the specification of the inwall of described position-limited hoop, one end of described wall is rolled up outward, and the outside after the outer volume is identical with shape, the specification of described cover plate; Described base plate is fixedly connected on the inside bottom of described wall, described cover plate is fixedly connected on the crimping of described wall by bolt and sealing silica gel, described position-limited hoop is fixedly connected on the outside of described wall, described water intaking valve is connected on the described wall, and described tensimeter is connected on the described cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202206249U CN201803933U (en) | 2009-10-30 | 2009-10-30 | Geotechnical anti-seepage system structure breakage point anti-seepage assessment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202206249U CN201803933U (en) | 2009-10-30 | 2009-10-30 | Geotechnical anti-seepage system structure breakage point anti-seepage assessment device |
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| Publication Number | Publication Date |
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| CN201803933U true CN201803933U (en) | 2011-04-20 |
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| CN2009202206249U Expired - Lifetime CN201803933U (en) | 2009-10-30 | 2009-10-30 | Geotechnical anti-seepage system structure breakage point anti-seepage assessment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441208A (en) * | 2019-08-09 | 2019-11-12 | 陈芬娜 | A kind of landfill site seepage prevention system tracking and monitoring well and its method for arranging |
-
2009
- 2009-10-30 CN CN2009202206249U patent/CN201803933U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441208A (en) * | 2019-08-09 | 2019-11-12 | 陈芬娜 | A kind of landfill site seepage prevention system tracking and monitoring well and its method for arranging |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |
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| CX01 | Expiry of patent term |