CN206132571U - Test tunnel row leads large scale test device of system's osmotic coefficient - Google Patents
Test tunnel row leads large scale test device of system's osmotic coefficient Download PDFInfo
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- CN206132571U CN206132571U CN201621115166.9U CN201621115166U CN206132571U CN 206132571 U CN206132571 U CN 206132571U CN 201621115166 U CN201621115166 U CN 201621115166U CN 206132571 U CN206132571 U CN 206132571U
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- lining cutting
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Abstract
The utility model discloses a test tunnel row leads large scale test device of system's osmotic coefficient, lead the system including water pressure loading device and row, row leads the system and includes lining cutting steel sheet, waterproof board, non -woven fabrics permeable bed and inlet tube, the lining cutting steel sheet includes lining cutting steel sheet and lower liner step steel sheet, the waterproof board is arranged on lower liner step steel sheet, the non -woven fabrics permeable bed is arranged on the waterproof board, waterproof board and non -woven fabrics permeable bed clamp are established go up between lining cutting steel sheet and the lower liner step steel sheet to with fixed lining cutting steel sheet and the lower liner step steel sheet gone up of mounting, water pressure loading device's delivery port passes through the pipe connection inlet tube, advance water piping connection to the inlet opening of setting in last lining cutting steel sheet one end the other end of going up the lining cutting steel sheet sets up the apopore. The utility model discloses can arrange the behavior of leading the system according to subaqueous tunnel, test the osmotic coefficient that the row of obtaining led the system through the experiment.
Description
Technical field
This utility model belongs to tunnel exhaust system technical field of performance test, more particularly to a kind of testing tunnel row leads and is
The Large scale experiment device of system infiltration coefficient.
Background technology
For the subsoil water exhaust system of composite lining tunnel is mainly made up of non-woven fabrics, blind pipe and splash guard etc..Its
In, non-woven fabrics both can play a part of to protect splash guard, and the function with draining, and its row leads ability and acts on lining to reduction
Water pressure on block is particularly critical.
In view of the practical situation of lining cutting behind exhaust system, non-woven fabrics infiltration coefficient is mainly considered as water in exhaust system
Flat infiltration coefficient, its major influence factors are normal pressure etc.；The infiltration coefficient of the bigger non-woven fabrics of normal pressure is less, when arriving greatly
" killing " phenomenon can be produced when to a certain degree so as to no longer possess drainability；Therefore, in row's conductivity type tunnel, non-woven fabrics
True infiltration coefficient is an important factor in order of lining cutting water pressure.
Water pressure load is to act on one of important load on high water head hydrous fluids tunnel lining structure, is tunnel structure
A key parameter in design, structural reliability and operation security of the lining cutting water pressure to the construction safety in tunnel, after building up
With material impact.
At present, both at home and abroad for exhaust system row lead performance, particularly non-woven fabrics row lead characteristic and with french drain blind pipe
Lining cutting water pressure properties study during comprehensive function rarely has report, generally using a ratio in the calculating of related lining cutting water pressure
More random infiltration coefficient or with reference to specification value, lose contact with reality situation, causes result of calculation not to be inconsistent with practical situation；In reality
In the engineering of border, the infiltration coefficient for also being difficult to directly obtain accurate exhaust system, and existing skill are affected by other engineering factors
Art is not specifically designed for the experimental provision of the calculating of lining cutting water pressure, it is impossible to obtain the parameter of correlation according to practical situation.
Utility model content
In order to overcome the shortcomings of art methods, the purpose of this utility model is to propose that a kind of testing tunnel row leads to be
The Large scale experiment device of system infiltration coefficient, can be obtained according to the working condition of submerged tunnel exhaust system by experimental test
To the infiltration coefficient of exhaust system.
To realize object above, this utility model is using technical scheme：A kind of testing tunnel exhaust system infiltration coefficient
Large scale experiment device, including Water hydraulic static pressure loading device and exhaust system, the exhaust system include lining cutting steel plate, splash guard,
Non-woven fabrics pervious bed and water inlet pipe；The lining cutting steel plate includes upper lining cutting steel plate and lower lining cutting steel plate, and the splash guard is arranged in
On lower lining cutting steel plate, the non-woven fabrics pervious bed is arranged on splash guard, and the splash guard and non-woven fabrics pervious bed are folded in institute
State between lining cutting steel plate and lower lining cutting steel plate, and upper lining cutting steel plate and lower lining cutting steel plate are fixed with fixture；The hydraulic pressure adds
Carry the outlet put and water inlet pipe is connected by pipeline, the water inlet pipe is connected to the water inlet for being arranged on lining cutting steel plate one end
Hole, the other end of lining cutting steel plate arranges apopore on described.
It is further to be provided with splash guard between the lower lining cutting steel plate and non-woven fabrics pervious bed；Make process of the test
Close actual condition.
It is further have equally distributed circular salient point on the splash guard；For simulating the out-of-flatness just propped up, so as to
Closer to actual condition.
It is further to include water inlet supervisor and water inlet pipe in the water inlet pipe, sets in the upside of the water inlet supervisor
The water inlet of connecting pipe is equipped with, in the downside of the water inlet supervisor multiple water inlet pipes, and water inlet pipe point have been placed equidistant
It is not connected to the inlet opening of lining cutting steel plate one end；The water energy into exhaust system is set enough to be uniformly distributed.
It is further to be respectively provided with arm valve and pressure gauge on each described water inlet pipe；Can be according to test
Demand arranges the distributing position and test head height parameter into exhaust system water.
It is further that the pvc pipe of scalable exit head height is set at the apopore, the pvc pipe can be adopted
Use telescoping tube；In process of the test, the feelings of water drainage hole plug in exhaust system are simulated by adjusting water outlet hole pvc pipe outlet height
Condition.
It is further that the longitudinally fixed exhaust system of the fixture, fixture is respectively placed in lining including upper and lower two
Build the high-strength bolt at steel plate and the U-shaped steel on the outside of lower lining cutting steel plate and the U-shaped steel two ends of fastening；In the same of simulation actual tunnel lining cutting
When, the steadiness of intensifier.
It is further to lay rubber washer in the exhaust system surrounding, and fluid sealant is applied up and down in rubber washer；Increase
The sealing property of adding system surrounding, prevents percolating water.
It is further that the Water hydraulic static pressure loading device is placed on test chamber eminence roof nearby, the Water hydraulic static pressure loading device
The water tank of outlet is equipped with including upper and lower edge, top edge outlet is connected with Drinage of house passage, lower limb outlet leads to
Piping is connected with the water inlet pipe；The tap water water pipe with valve is additionally provided with water tank upper.
Moisturizing, draining of the water tank water intake amount slightly larger than assay device are carried out to water tank using with valvular tap water water pipe
Amount, cistern water level keeps constant in process of the test, and unnecessary water is drained by top edge outlet, simulates high water level rich water tunnel
The short-term invariant state of level of ground water.
Using the beneficial effect of the technical program：
This utility model, can be tested, exactly according to the working condition of submerged tunnel exhaust system by test simulation
Test draws the comprehensive infiltration coefficient of the tunnel exhaust system containing non-woven fabrics pervious bed；The concrete low cost of the assay device, behaviour
Make simple, it is suitable with engineering yardstick, the features such as simulation effect reliability.
Description of the drawings
Fig. 1 is that a kind of structure of the Large scale experiment device of testing tunnel exhaust system infiltration coefficient of the present utility model is shown
It is intended to；
Fig. 2 is the structural representation of exhaust system in this utility model；
Wherein, 1 is Water hydraulic static pressure loading device, and 2 is exhaust system；11 is water tank, and 12 is top edge outlet, and 13 is lower limb
Outlet, 14 is tap water water pipe；21 is lining cutting steel plate, and 22 is non-woven fabrics pervious bed, and 23 is water inlet pipe, and 24 is splash guard, 25
It is fixture, 26 is rubber washer；211 is upper lining cutting steel plate, 212 times lining cutting steel plates, and 2111 is inlet opening, and 2112 is water outlet
Hole；231 is that 232 is water inlet pipe, and 233 is arm valve, and 234 is pressure gauge into water supervisor；251 is U-shaped steel, and 252 is high-strength
Bolt.
Specific embodiment
In order that the purpose of utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings to this utility model
It is further elaborated.
In the present embodiment, referring to shown in Fig. 1 and Fig. 2, a kind of large scale of testing tunnel exhaust system infiltration coefficient is tried
Experiment device,
Including Water hydraulic static pressure loading device 1 and exhaust system 2, the exhaust system 2 includes lining cutting steel plate 21, splash guard 24, nothing
Spin cloth pervious bed 22 and water inlet pipe 23；The lining cutting steel plate 21 includes upper lining cutting steel plate 211 and lower lining cutting steel plate 212, described anti-
Water plate 24 and non-woven fabrics pervious bed 22 are folded in the upper lining cutting steel plate and (between 211 and lower lining cutting steel plate 212, and use fixture
25 fix upper lining cutting steel plate 211 and lower lining cutting steel plate 212；The outlet of the Water hydraulic static pressure loading device 1 is intake by pipeline connection
Pipe 23, the water inlet pipe 23 is connected to the inlet opening 2111 for being arranged on the one end of lining cutting steel plate 211, the lining cutting steel plate on described
211 other end arranges apopore 2112.
As the prioritization scheme of above-described embodiment, arrange between the lower lining cutting steel plate 212 and non-woven fabrics pervious bed 22
There is splash guard 24；The close actual condition of process of the test can be made.
Wherein, there is equally distributed circular salient point on the splash guard 24；For simulating the out-of-flatness just propped up, more to connect
Nearly actual condition.
As the prioritization scheme of above-described embodiment, in the water inlet pipe 23 water inlet supervisor 231 and water inlet pipe 232 are included,
The upside of the water inlet supervisor 231 is provided with the water inlet of connecting pipe, is placed equidistant in the downside of the water inlet supervisor 231
There are multiple water inlet pipes 232, and water inlet pipe 232 is respectively connecting to the inlet opening 2111 of the one end of lining cutting steel plate 211；Make entrance
The water energy of exhaust system 2 is enough uniformly distributed.
Wherein, arm valve 233 and pressure gauge 234 are respectively provided with each described water inlet pipe 232；Can be according to examination
Test demand and the distributing position and test head height parameter for entering the water of exhaust system 2 is set.
As the prioritization scheme of above-described embodiment, the PVC for adjusting exit head height is set at the apopore 2112
Pipe, the pvc pipe can adopt telescoping tube；In process of the test, simulate row and lead by adjusting water outlet hole 2112PVC pipes outlet height and be
The situation of water drainage hole plug in system 2.
Used as the prioritization scheme of above-described embodiment, the longitudinally fixed exhaust system 2 of the fixture 25, fixture 25 includes
Upper and lower two U-shaped steel 251 and the U-shaped two ends of steel 251 of fastening for being respectively placed in lining cutting steel plate 211 and the outside of lower lining cutting steel plate 212
High-strength bolt 252；While actual tunnel lining cutting is simulated, the steadiness of intensifier.
Wherein, rubber washer 26 is laid in the surrounding of the exhaust system 2, and fluid sealant is applied about 26 in rubber washer；Increase
The sealing property of adding system surrounding, prevents percolating water.
Used as the prioritization scheme of above-described embodiment, the Water hydraulic static pressure loading device 1 is placed on test chamber eminence roof nearby, institute
State the water tank 11 that Water hydraulic static pressure loading device 1 is equipped with outlet including upper and lower edge, top edge outlet 12 and Drinage of house passage
Connection, lower limb outlet 13 is connected by pipeline with the water inlet pipe 23；Oneself with valve is additionally provided with the top of water tank 11
Water water pipe 14.
Moisturizing is carried out to water tank 11 using with valvular tap water water pipe 14, the inflow of water tank 11 is slightly larger than assay device
Displacement, in process of the test the water level of water tank 11 keep it is constant, unnecessary water is drained by top edge outlet 12, simulation Gao Shui
The short-term invariant state of position rich water tunnel level of ground water.
In order to be better understood from this utility model, below once complete description is made to operation principle of the present utility model：
The installation steps of assay device：
Bracing frame is arranged in test site, lower lining cutting steel plate 212, splash guard 24, nonwoven is laid on bracing frame successively
Cloth pervious bed 22；2-3cm width pads rubber washer 26 is reserved in splash guard 24 and non-woven fabrics surrounding, is applied about 26 in rubber washer
Fluid sealant, then spreads upper lining cutting steel plate 211 of the two ends with intake-outlet；It is transversely mounted along model with high-strength bolt 252 solid
Fixed U-shaped steel 251, by 20-30cm together, it may be necessary in 251 underlay wooden units of U-shaped steel or block rubber, it is ensured that during test
Exhaust system pervious bed thickness does not change；Upper strata steel plate entrance point water inlet is docked with Water hydraulic static pressure loading part, in outlet
End installs pvc pipe.
The infiltration coefficient testing experiment process of exhaust system 2：
The valve of water tank 11 is opened, moisturizing is carried out to water tank 11 using with valvular tap water water pipe 14, water tank 11 is intake
, slightly larger than the displacement of assay device, the holding of the water level of water tank 11 is constant in process of the test for amount, and unnecessary water passes through the top of water tank 11
Edge outlet 12 is drained；
After the stable water outlet of water side, start official testing, between manual time-keeping, with Large Copacity bucket the water yield is surveyed, pass through
Press water reads water inlet end head height, then according to flow, two ends head height, flow area and model after stationary flow
The parameters such as length, calculate the comprehensive infiltration coefficient of exhaust system 2, and specific formula for calculation is
By adjusting the height of water tank 11, different high water head operating modes can be simulated.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (9)
1. a kind of Large scale experiment device of testing tunnel exhaust system infiltration coefficient, it is characterised in that including Water hydraulic static pressure loading dress
(1) and exhaust system (2) are put, the exhaust system (2) includes lining cutting steel plate (21), splash guard (24), non-woven fabrics pervious bed
And water inlet pipe (23) (22)；The lining cutting steel plate (21) includes upper lining cutting steel plate (211) and lower lining cutting steel plate (212), described anti-
Water plate (24) and non-woven fabrics pervious bed (22) are folded between the upper lining cutting steel plate (211) and lower lining cutting steel plate (212), are used in combination
Lining cutting steel plate (211) and lower lining cutting steel plate (212) in fixture (25) fixation；The outlet of the Water hydraulic static pressure loading device (1) leads to
Piping connection water inlet pipe (23), the water inlet pipe (23) is connected to the inlet opening for being arranged on lining cutting steel plate (211) one end
(2111), the other end of lining cutting steel plate (211) arranges apopore (2112) on described.
2. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 1, its feature
It is to be provided with splash guard (24) between the lower lining cutting steel plate (212) and non-woven fabrics pervious bed (22).
3. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 2, its feature
It is have equally distributed circular salient point on the splash guard (24).
4. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 1, its feature
It is, in the water inlet pipe (23) including water inlet supervisor (231) and water inlet pipe (232), in the upper of water inlet supervisor (231)
Side is provided with the water inlet of connecting pipe, and on the downside of water inlet supervisor (231) multiple water inlet pipes have been placed equidistant
, and water inlet pipe (232) is respectively connecting to the inlet opening (2111) of lining cutting steel plate (211) one end (232).
5. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 4, its feature
It is to be respectively provided with arm valve (233) and pressure gauge (234) on each described water inlet pipe (232).
6. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 1, its feature
It is that the apopore (2112) place is provided with the pvc pipe of scalable exit head height.
7. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 1, its feature
It is that the longitudinally fixed exhaust system (2) of the fixture (25), fixture (25) is respectively placed in upper lining cutting including upper and lower two
The high-strength bolt of U-shaped steel (251) and U-shaped steel (251) two ends of fastening on the outside of steel plate (211) and lower lining cutting steel plate (212)
(252)。
8. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 7, its feature
It is in the exhaust system (2) surrounding laying rubber washer (26), and fluid sealant to be applied up and down in rubber washer (26).
9. the Large scale experiment device of a kind of testing tunnel exhaust system infiltration coefficient according to claim 1, its feature
It is that the Water hydraulic static pressure loading device (1) is placed on test chamber eminence roof nearby, and the Water hydraulic static pressure loading device (1) is including upper and lower
Edge is equipped with the water tank (11) of outlet, and top edge outlet (12) is connected with Drinage of house passage, lower limb outlet
(13) it is connected with the water inlet pipe (23) by pipeline；The tap water water pipe with valve is additionally provided with water tank (11) top
(14)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115166.9U CN206132571U (en) | 2016-10-12 | 2016-10-12 | Test tunnel row leads large scale test device of system's osmotic coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115166.9U CN206132571U (en) | 2016-10-12 | 2016-10-12 | Test tunnel row leads large scale test device of system's osmotic coefficient |
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| Publication Number | Publication Date |
|---|---|
| CN206132571U true CN206132571U (en) | 2017-04-26 |
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ID=58571328
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621115166.9U Active CN206132571U (en) | 2016-10-12 | 2016-10-12 | Test tunnel row leads large scale test device of system's osmotic coefficient |
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| Country | Link |
|---|---|
| CN (1) | CN206132571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519464A (en) * | 2018-03-27 | 2018-09-11 | 西南交通大学 | A kind of experimental rig of drainage performance, system and test method |
| CN109470625A (en) * | 2018-12-19 | 2019-03-15 | 中国地质大学（武汉） | A kind of infiltrative model test apparatus of simulation Faults in Tunnels country rock |
-
2016
- 2016-10-12 CN CN201621115166.9U patent/CN206132571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519464A (en) * | 2018-03-27 | 2018-09-11 | 西南交通大学 | A kind of experimental rig of drainage performance, system and test method |
| CN109470625A (en) * | 2018-12-19 | 2019-03-15 | 中国地质大学（武汉） | A kind of infiltrative model test apparatus of simulation Faults in Tunnels country rock |
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