CN107631839A - One kind simulation underground structure water-proof investigating system and its experimental method - Google Patents
One kind simulation underground structure water-proof investigating system and its experimental method Download PDFInfo
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- CN107631839A CN107631839A CN201710846215.9A CN201710846215A CN107631839A CN 107631839 A CN107631839 A CN 107631839A CN 201710846215 A CN201710846215 A CN 201710846215A CN 107631839 A CN107631839 A CN 107631839A
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- 238000004088 simulation Methods 0.000 title claims abstract description 25
- 238000002474 experimental method Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 20
- 239000011888 foil Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000009954 braiding Methods 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 230000007123 defense Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention discloses one kind simulation underground structure water-proof investigating system and its experimental method, the system includes underground structure agent set and monitor control mechanism, the monitor control mechanism includes the seepage rate sensor of detection underground structure agent set, the test side of seepage rate sensor is arranged on underground structure agent set lateral surface, and the hollow cavity for accommodating water is set inside the underground structure agent set.The advantages of invention, is：The underground structure agent set of simulation hypogee structure is provided with the present invention, by the water filling in hollow cavity, passes through the water resistance of monitor control mechanism detection hypogee structure.
Description
Technical field
The present invention relates to underground structure waterproof test technical field, more particularly to a kind of simulation underground structure waterproof test system
System and its experimental method.
Background technology
In recent years, with the fast development of China's urban construction, executive information systems, civil air defense constructions and installations and town road
Construction scale constantly expands so that building basement, hypogee, the engineering project of civil air defense constructions and installations and municipal underpass are more next
It is more, and buried depth is more and more deeper, but these buildings are but threatened by underground leakage to some extent.Percolating water is building
One of basement and the common quality problems of municipal underpass.
It is the weakness of waterproof in underground structure, at the detail structure such as movement joint, post-cast strip, construction joint and wall feed-through pipeline
Position, leakage problems are typically all to occur first in this kind of position.
Although defining the water proof structure measure at these positions in specification at present, it is difficult to evaluate its actual waterproof effect
Fruit.After external loads effect is particularly born at these positions, under with degree of impairment to a certain degree, it is difficult to evaluate these
Whether construction measure can continue to keep original waterproof effect.Particularly using new water proof structure, waterproof material
In the case of, it is necessary to its water proof case is tested under more real external environment condition effect, understands its waterproof effect.
The true water resistance of water proof structure and waterproof material for underground structure, few related comprehensive tests
As a result it is referred to.For example Architectural Structure Design institute, according to Specification Design water proof structure, the enterprise for producing waterproof material then only can
The water resistance of corresponding waterproof material is individually tested, is tied without the entirety after on testing water-proof materials application to water proof structure
The water resistance of structure.Therefore, except field measurement, the test arm that can test the true water resistance of underground structure is lacked at this stage
Section and device.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to solve in the prior art immeasurably under
The problem of mechanism real water resistance, therefore, the present invention provides a kind of simulation underground structure water-proof investigating system and its experiment
Method.
To achieve the above object, the present invention uses following technical scheme：
One kind simulation underground structure water-proof investigating system, it is characterised in that the system include underground structure agent set and
Monitor control mechanism, the monitor control mechanism include the seepage rate sensor of detection underground structure agent set, the inspection of seepage rate sensor
Survey end to be arranged on underground structure agent set lateral surface, the hollow cavity for accommodating water is set inside the underground structure agent set
Body.
Optimization, the jacking loading device for withstanding hollow cavity two side is provided with the hollow cavity.
Optimization, the hollow cavity in the vertical direction is provided with the area that blocks water, the jacking loading device to be multiple and
Array is set on vertical direction in the area that blocks water.
Optimization, it is provided with pressure diffusion device between the underground structure agent set and jacking loading device.
Optimization, the underground structure agent set includes multiple waterproof weak parts, and the waterproof weak part includes
Wall feed-through pipeline, movement joint, post-cast strip and construction joint one or more therein.
Optimization, hydraulic control device is provided with the waterproof weak part and is pressed to hydraulic control device inside
Pressure pump.
Optimization, the monitor control mechanism also include data acquisition device and data processing and display device, foil gauge, institute
State seepage rate sensor, foil gauge to be connected with data processing and display device by data acquisition device respectively, the foil gauge
It is arranged at the outside corner of wall of vulnerable area and/or underground structure agent set.
Optimization, bottom plate of the underground structure agent set outside it is provided with the braiding channel for being close to wall arrangement.
Optimization, the madial wall of the underground structure agent set is provided with waterproof construction.
A kind of test method for the underground structure water-proof investigating system for applying lateral pressure using above-mentioned simulation, step are as follows：
S1, the underground structure agent set with waterproof construction is prepared, it is thin that underground structure agent set is provided with waterproof
Weak position, hydraulic control device is provided with waterproof weak part, will jacking loading device be arranged on hollow cavity and
The relative two side of hollow cavity is withstood, the control terminal of the monitor control mechanism is connected with jacking the controlled end of loading device；
S2, the water filling into hollow cavity and hydraulic control device；
S3, monitor control mechanism control jacking loading device increase to underground main structure body device and step by step working stress so that
Underground structure agent set is in lateral force state, tests underground water main structure body device and waterproof weak part in hydrostatic ring
Water resistance and leakage characteristics in border.
The advantage of the invention is that：
1) the underground structure agent set of simulation hypogee structure is provided with the present invention, by being noted in hollow cavity
Water, the water resistance of hypogee structure is detected by monitor control mechanism.
2) present invention jacking loading device applies lateral pressure, simulates lateral pressure of the soil layer to underground main structure body device,
Be advantageous to obtain real waterproof test result.
3) effect of the pressure diffusion device in the present invention is to disperse the power of application to be applied to underground structure main body
On device, the lateral pressure in actual environment is always simulated.
4) underground structure agent set sets waterproof weak part, and the underground simulated in reality that so more can be actual is tied
Structure.
5) hydraulic control device is placed, according to experiment demand, to increase the hydraulic pressure pressure of test position；In underground during experiment
Water is injected in hollow cavity in main structure body device and in hydraulic control device, Water pressure controlled is then adjusted by pressure pump
The lateral pressure that device processed is paid no attention to waterproof weakness is to reach test requirements document.
6) present invention can also be arranged as required to multiple waterproof weak parts, the waterproof in underground structure agent set
Weak part includes but is not limited to movement joint, post-cast strip, construction joint and wall feed-through pipeline, i.e. the present invention can will be in underground structure often
The equal concentrated setting of waterproof detail structure seen is in underground structure agent set, so as to which once can to obtain multiple waterproofs thin for experiment
The waterproof test result of cage structure, so as to which the whole device in the present invention turns into a combined test apparatus, drastically increase
Test efficiency.
7) favorable expandability of the invention, the i.e. present invention can add or reduce when making underground structure agent set corresponding
Waterproof weak part or waterproof measure, so as to more pointedly testing related waterproof detail structure water-proof function.
Brief description of the drawings
Fig. 1 is underground structure waterproof test all-around test stand structural representation in the present invention.
Fig. 2 and Fig. 3 is Fig. 1 A-A sectional views.
Fig. 4 is Fig. 1 B-B sectional views.
Fig. 5 is provided with the structural representation of multiple jacking loading devices.
Mark meaning in figure is as follows：
10- underground structure agent sets 11- jacks loading device 12- pressure diffusion devices
13- waterproof construction 14- wall feed-through pipeline 15- movement joint 16- post-cast strips 17- construction joints
18- braiding channel 20- hydraulic control device 21- pressure pumps 22- blocks water area
23- pressure sensor 30- hollow cavity 40- data acquisition devices
50- data processings and display device 60- water
Embodiment
As Figure 1-5, a kind of simulation underground structure water-proof investigating system, including underground structure agent set 10 and monitoring
Mechanism, underground structure agent set 10 meet《Technical code for water proof in underground engineering》Armored concrete knot prepared by defined material
Structure.The specific size of the underground structure agent set 10 of the simulation underground structure, it can be carried out when making according to being actually needed
Adjustment.
The inside of underground structure agent set 10 sets the hollow cavity 30 for accommodating water, is provided with hollow cavity 30 and withstands sky
The jacking loading device 11 of the two side of chambers of the heart body 30.Wherein jacking loading device 11 is simulation earth lateral pressure.Underground structure master
Pressure diffusion device 12 is provided between body device 10 and jacking loading device 11.With in authentic and valid simulation actual environment
Lateral pressure.In detail, it is hydraulic lifting loading device to jack loading device 11.
Wherein jacking loading device 11 has two kinds of set-up modes, and the first is as shown in figure 4, jacking loading device 11 is arranged on
Position in hollow cavity 30 and more than liquid level.Second as shown in figure 5, the in the vertical direction of hollow cavity 30 is provided with
Block water area 22, and the jacking loading device 11 is the multiple and array setting on vertical direction in the area 22 that blocks water.Vertical direction battle array
The top lift of the jacking loading device 11 of row from top to bottom gradually increases, earth lateral pressure in simulating actual conditions, and in order to
Prevent that jacking apparatus 11 is under water, so the area 22 that blocks water is set, wherein the area 22 that blocks water can be blocked water with certain elastic
Material, the area 22 that blocks water will not be destroyed at work by so jacking loading device 11.Jacking loading device in above two scheme
11 all with the water segregation in hollow cavity 30.
Underground structure agent set 10 includes multiple waterproof weak parts, and waterproof weak part includes wall feed-through pipeline 14, become
Shape seam 15,17 one or more therein of post-cast strip 16 and construction joint.The set location of waterproof weak part can be according to reality
Need to be adjusted, species can be added or reduce according to actual conditions.In this embodiment, waterproof weak part includes
17 4 kinds of wall feed-through pipeline 14, movement joint 15, post-cast strip 16 and construction joint situations.
Hydraulic control device 20 and the pressure (hydraulic) water to be pressed into hydraulic control device 20 are provided with waterproof weak part
Pump 21, wherein hydraulic control device 20 are connected to form sealing structure with pressure pump 21.Optimization, in hydraulic control device 20
Portion and pressure sensor 23 is set at waterproof weak part, the output end of pressure sensor 23 is drawn from sealing structure and
Data acquisition device 40 is connected, and (not shown) is closed by sealing ring at sealing.According to being actually needed, hydraulic control device
Trystate under the different hydraulic pressure of 20 simulations, more scientific can effectively simulate the buried deep waterproof problem in real engineering.
Bottom plate of the underground structure agent set 10 outside it is provided with the braiding channel 18 for being close to wall arrangement.Underground structure agent set
10 madial wall is provided with waterproof construction 13.The underground structure agent set in the presence of waterproof construction 13 can also so be tested
10 waterproof ability.Described hydraulic control device 20 is made up of two parts, is placed in respectively inside and outside wall, wherein wall
Outboard Sections are by waterproof vulnerable area electromagnetic attraction wall inboard portion, and the hydraulic control device 20 of wall inboard portion is with preventing
Water vulnerable area forms closed interval.Wherein wall outer side part is electromagnetic component, the material energy quilt that wall outer side part uses
Electromagnetic adsorption.Inside and outside side two parts can be so made to attract each other, so as to which tight is attached on waterproof vulnerable area, so as to reach
To closely knit effect.And wall in hydraulic control device 20 can be removed by reducing the electromagnetism intensity of wall outer side part
Inboard portion.
Monitor control mechanism includes the seepage rate sensor, foil gauge, data acquisition device of detection underground structure agent set 10
40 and data processing and display device 50, seepage rate sensor and foil gauge are multiple, seepage rate sensor test side and strain
The test side of piece is separately positioned on the lateral surface of underground structure agent set 10, is particularly located at waterproof weak part and underground structure
At the outside corner of wall of agent set 10.Pressure sensor 23, seepage rate sensor, foil gauge respectively by data acquisition device 40 with
Data processing and display device 50 connect.The wherein corner of strain measurement waterproof weak part and underground structure agent set 10
The stress and strain at place.The internal force and deformation of underground structure agent set 10 during monitor control mechanism can be tested,
And the seepage situation of water 60.
The present invention is described in further detail with reference to specific experiment process.
Apply the test method of the underground structure water-proof investigating system of lateral pressure using above-mentioned simulation, step is as follows：
S1, the underground structure agent set 10 with waterproof construction 13 is prepared, had on underground structure agent set 10 anti-
Water weak part, hydraulic control device 20 is provided with waterproof weak part, jacking loading device is arranged on hollow cavity
On body 30 and the relative two side of hollow cavity 30 is withstood, the control terminal and the controlled end of jacking loading device 11 of monitor control mechanism connect
Connect；
S2, the water filling into hollow cavity 30 and hydraulic control device 20, water injection rate according to the predetermined hydraulic pressure of testing program by
Level injection；
S3, monitor control mechanism control jacking loading device 11, which apply to underground main structure body device 10 and increase work step by step, answers
Power so that underground structure agent set 10 is in lateral force state, tests underground water main structure body device and waterproof weak point
Water resistance and leakage characteristics of the position in Lentic environment.
The preferred embodiment of the invention is these are only, is not intended to limit the invention creation, it is all in the present invention
All any modification, equivalent and improvement made within the spirit and principle of creation etc., should be included in the guarantor of the invention
Within the scope of shield.
Claims (10)
1. one kind simulation underground structure water-proof investigating system, it is characterised in that the system includes underground structure agent set (10)
And monitor control mechanism, the monitor control mechanism include the seepage rate sensor of detection underground structure agent set (10), seepage rate sensing
The test side of device is arranged on underground structure agent set (10) lateral surface, is set inside the underground structure agent set (10)
Accommodate the hollow cavity (30) of water.
A kind of 2. simulation underground structure water-proof investigating system according to claim 1, it is characterised in that the hollow cavity
(30) the jacking loading device (11) for withstanding hollow cavity (30) two side is provided with.
A kind of 3. simulation underground structure water-proof investigating system according to claim 2, it is characterised in that the hollow cavity
(30) in the vertical direction is provided with the area that blocks water (22), and the jacking loading device (11) is multiple and erected in the area that blocks water (22)
The upward array of Nogata is set.
A kind of 4. simulation underground structure water-proof investigating system according to Claims 2 or 3, it is characterised in that the underground
Pressure diffusion device (12) is provided between main structure body device (10) and jacking loading device (11).
A kind of 5. simulation underground structure water-proof investigating system according to claim 1, it is characterised in that the underground structure
Agent set (10) includes multiple waterproof weak parts, the waterproof weak part include wall feed-through pipeline (14), movement joint (15),
Post-cast strip (16) and construction joint (17) one or more therein.
6. a kind of simulation underground structure water-proof investigating system according to claim 5, it is characterised in that the waterproof is weak
Position is provided with hydraulic control device (20) and the pressure pump (21) to pressure inside hydraulic control device (20).
A kind of 7. simulation underground structure water-proof investigating system according to claim 5, it is characterised in that the monitor control mechanism
Also include data acquisition device (40) and data processing and display device (50), foil gauge, the seepage rate sensor, foil gauge
It is connected respectively by data acquisition device (40) with data processing and display device (50), the foil gauge is arranged on vulnerable area
And/or at the outside corner of wall of underground structure agent set (10).
A kind of 8. simulation underground structure water-proof investigating system according to claim 1, it is characterised in that the underground structure
Bottom plate of the agent set (10) outside it is provided with the braiding channel (18) for being close to wall arrangement.
A kind of 9. simulation underground structure water-proof investigating system according to claim 2, it is characterised in that the underground structure
The madial wall of agent set (10) is provided with waterproof construction (13).
A kind of 10. underground structure water-proof investigating system for applying lateral pressure using the simulation as described in claim 1-9 any one
Test method, it is characterised in that step is as follows：
S1, the underground structure agent set (10) with waterproof construction (13) is prepared, underground structure agent set is set on (10)
There is waterproof weak part, hydraulic control device (20) is provided with waterproof weak part, jacking loading device (11) is set
Put on hollow cavity (30) and withstand the relative two side of hollow cavity (30), control terminal and the jacking of the monitor control mechanism add
Carry the controlled end connection for putting (11)；
S2, the water filling into hollow cavity (30) and hydraulic control device (20)；
S3, monitor control mechanism control jacking loading device (11) apply to underground main structure body device (10) and increase work step by step should
Power so that underground structure agent set (10) is in lateral force state, test underground water main structure body device (10) and waterproof
Water resistance and leakage characteristics of the weak part in Lentic environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710846215.9A CN107631839B (en) | 2017-09-19 | 2017-09-19 | Waterproof test system for simulating underground structure and experimental method thereof |
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| CN201710846215.9A CN107631839B (en) | 2017-09-19 | 2017-09-19 | Waterproof test system for simulating underground structure and experimental method thereof |
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| CN107631839A true CN107631839A (en) | 2018-01-26 |
| CN107631839B CN107631839B (en) | 2024-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548764A (en) * | 2018-03-16 | 2018-09-18 | 合肥工业大学 | A kind of building structure waterproof intelligent test device and its test method |
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| JP2007256178A (en) * | 2006-03-24 | 2007-10-04 | Univ Nihon | Test method of concrete waterproof layer, and testing machine using same |
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| CN107631839B (en) | 2024-03-08 |
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