CN206876696U - The pilot model apparatus that sand caused by foggara rupture destroys - Google Patents
The pilot model apparatus that sand caused by foggara rupture destroys Download PDFInfo
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- CN206876696U CN206876696U CN201720277667.5U CN201720277667U CN206876696U CN 206876696 U CN206876696 U CN 206876696U CN 201720277667 U CN201720277667 U CN 201720277667U CN 206876696 U CN206876696 U CN 206876696U
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- water inlet
- experiment
- foggara
- experiment casing
- soil sample
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The pilot model apparatus that sand caused by being ruptured the utility model discloses a kind of foggara destroys, solves the problems, such as the pilot model apparatus not destroyed for sand.Technical scheme includes transparent or nontransparent experiment casing, also include the pressure tube panel outside experiment casing, the vertical transparent pipe for being provided with least one upper/lower terminal opening in the pressure tube panel, the water inlet probe being provided with the experiment casing at least one embedment experiment soil sample, the water inlet probe are connected through pipeline with the transparent pipe lower end in the pressure tube panel；The experiment casing bottom is provided with water inlet, and epimere is provided with rhone, and the height of the rhone is higher than the filling height of chamber experiment in vivo soil sample.The utility model structure is extremely simple, it is easy to operate, be easy to observation, easily can destroy relation between situation, and head difference and sand destruction by sand caused by simulated groundwater tracheal rupture.
Description
Technical field
It the utility model is related to civil engineering experimental field, the examination that sand caused by specifically a kind of foggara rupture destroys
Test model equipment.
Background technology
China is the country of a water resources shortage, and groundwater resources reserves are limited.Along with populous, water resource point
Cloth is uneven, causes some areas to be particularly important also in exsiccosis accordingly, for protection of groundwater resource.It is actual
In situation, sand under water coincidence effect with causing road surface depression of bearing force after foggara rupture, so as to cause pavement depression, this
Class accident is before people realize accident, is had sudden and disguised.For this, people devise various prior-warning devices, such as specially
Profit number 201420284757.3, the patent of entitled " a kind of foggara leak-proof anti-explosive detection means ", by foggara
Junction installation Humidity Detection switch, to find that sand caused by foggara rupture destroys the generation of problem as early as possible.But this is all
Processing after accident generation, often after soil body collapse deformation occurs for accident, people just find out the original of its foggara leakage
Cause, lose the important real example of research accident occurrence and development process.Therefore need to research and develop new experimental model device, pass through foundation
True buried pipe leak model studies in it sand seepage erosion and hydraulic pressure after destructive process, Study of The Underground pipe burst
Relation, to understand the mechanism of disaster and Evolution, and then gained law forecasting and preventing and treating related accidents are utilized, ensure city
The safety of city's facility and people's lives and properties.
The content of the invention
In order to solve the above-mentioned technical problem the purpose of this utility model is, there is provided a kind of structure is extremely simple, it is easy to operate,
It is easy to observation, easily can be closed between the destruction of sand caused by simulated groundwater tracheal rupture situation, and head difference and sand slope evil idea
The pilot model apparatus that sand caused by the foggara rupture of system destroys.
Technical scheme includes transparent or nontransparent experiment casing, also includes the pressure tube panel outside experiment casing,
The vertical transparent pipe for being provided with least one upper/lower terminal opening in the pressure tube panel, the experiment casing is interior to be provided with least one
Water inlet probe in root embedment experiment soil sample, the water inlet probe connect through the transparent pipe lower end in pipeline and the pressure tube panel
Connect；The experiment casing bottom is provided with water inlet, and epimere is provided with rhone, and the height of the rhone is real higher than in experiment casing
Test the filling height of soil sample.
In the experiment casing at least two water inlet probes, and being also vertically provided with pressure tube panel are provided with directly over water inlet
The transparent pipe of respective numbers, correspond and be connected；When the water inlet probe is two, then it is respectively arranged in the upper of experiment soil sample
Layer and lower floor；When the water inlet probe is more, except being respectively arranged in addition to two of the upper and lower of experiment soil sample, remaining
Probe is then along the filling high uniformity arrangement of experiment soil sample.
The bottom surface of the experiment casing is provided with closed tank, water inlet and examination of the closed tank through experiment casing bottom surface
Connected in tryoff body；The import of the closed tank is connected through compression pump with water storage box.
Flowmeter, pressure gauge and flow control are additionally provided with the import of the closed tank and the connecting pipe of compression pump
Valve.
The water inlet is covered with filter screen.
The filter screen is provided with removable shroud, and the shroud has through hole.
For problem present in background technology, inventor makes following improvement：(1) experiment, is loaded in experiment casing
Soil sample, and poured water from bottom into case, simulate the experiment before and after sand seepage erosion by adjusting different pipeline hydraulic pressure power
Change procedure, by probe Simultaneous Monitoring head difference of intaking, the water level reading change on transparent pipe is read, to study pipeline hydraulic pressure
Relation between power and sand seepage erosion.(2) the water inlet probe of multiple different vertical height, can be set as needed, to carry
The accuracy and reliability of high measurement.(3), the bottom surface of experiment casing is provided with closed tank, makes water by closed tank through chamber
The bottom up perfusion of body, water state is gone out with real simulation pipe burst；Its pipeline hydraulic pressure power can be adjusted by compression pump,
And shown by pressure gauge, flow can be adjusted through flow control valve, and be shown by flowmeter.(4) let out to further study difference
Relation between small opening footpath and sand seepage erosion, removable shroud being additionally provided with water inlet, the shroud has through hole,
The shroud can be included with the removable connection of water inlet be threadedly coupled, latch closure connection either clamping etc., pass through replacing
The shroud of different pore size through hole, the pass between sand seepage erosion and waterpipe pressure under different seepage apertures can be studied
System.(5), transparent experiment casing can also intuitively observe sand seepage erosion situation.
Beneficial effect：
The utility model is simple in construction, manufacturing cost is low, control is easy, the front and rear shape of energy real simulation sand seepage erosion
State, the relation between the sand seepage erosion in different seepage apertures, waterpipe pressure and experiment soil sample is studied with research, is pipeline
Bury and fill out and protection Design provides authentic data, reach and accomplish the purpose prevented and treated in advance before the generation of seepage erosion problem.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the partial enlarged drawing of water inlet.
Wherein, 1- experiment casings, 2- water inlets probe, 3- pressure tube panel, 4- transparent pipes, 5- rhones, 6- water inlets, 7-
Test soil sample, 8- closed tanks, 9- compression pumps, 10- water storage boxes, 11- flowmeters, 12- pressure gauges, 13- flow control valves, 14-
Shroud, 15- filter screens, 16- through holes.
Embodiment
Explanation is further explained to the utility model below in conjunction with the accompanying drawings：
Referring to Fig. 1, experiment casing 1 can be made up of transparent or nontransparent material, preferably high strength organic material, can fill out
Dress experiment soil sample, transparent material are advantageous in direct inspection box sand and destroy situation, the water inlet in the experiment casing 1 just on
The different vertical height in side is provided with the water inlet probe 2 in more embedment experiment soil samples, and specifically method for arranging is：When water inlet probe
2 when being only two, should be arranged in the upper and lower of experiment soil sample 7, then can be when probe 2 of intaking is more than two
On the basis of this, remaining water inlet probe 2, which is maintained in different vertical height, to be evenly arranged；Pressure tube panel 3 is located at experiment casing 1
Outside, vertically the transparent pipe 4 provided with more upper/lower terminal openings (can be set as needed on transparent pipe 4 in the pressure tube panel 3
Have scale marker, be easy to read and record), the water inlet probe 2 is through the lower end of transparent pipe 4 in pipeline and the pressure tube panel 3
Connection (quantity of transparent pipe 4 is identical with the quantity for probe 2 of intaking and connects one by one)；The bottom of experiment casing 1 is provided with water inlet
Mouth 6, epimere are provided with rhone 5, and the height of the rhone 5 is higher than the filling height that soil sample 7 is tested in experiment casing 1.It is described
Covered with filter screen 15 at water inlet 6, the filter screen 15 is provided with removable shroud 14, has through hole 16 on the shroud, filter
Net 15 can prevent that test soil sample 7 falls into water inlet 6 from through hole 16.
The bottom surface of the experiment casing 1 is provided with closed tank 8, the water inlet of the closed tank 8 through the bottom surface of experiment casing 1
Mouth 6 in experiment casing 1 with connecting；The import of the closed tank 8 is connected through compression pump 9 with water storage box 10.The closed tank
8 import on the connecting pipe of compression pump 9 with being additionally provided with flowmeter 11, pressure gauge 12 and flow control valve 13.
Operation principle：
The experiment soil sample 7 of setting height is first loaded into experiment casing 1, the filling of experiment soil sample 7 is highly lower than draining
Groove 5, then in soil sample 7 is tested the pre-buried different vertical height of a lot of water inlet probe 2, water inlet probe 2 be preferably located at bottom
The surface of water inlet 6.Start compression pump 9, control water pressure a, intake into closed tank 8, water after closed tank 8 is filled
Under pressure by the overflow of water inlet 6 to experiment casing 1, water level is gradually risen to the height of rhone 5, by rhone 5
Discharge, due to the presence for probe 2 of intaking, water can enter corresponding transparent pipe in pressure tube panel 3 by water inlet probe 2 through pipeline simultaneously
The head pressure corresponding with the position height of probe 2 of intaking can be shown in 4, in transparent pipe 4, now can record pressure a, flow
A1, the level scale a2 (head pressure for probe 2 of being intake i.e. under different height) of every transparent pipe 4；Then by compression pump 9 after
It is continuous to increase to pressure b, observed after maintaining a period of time and record the change of water level of every transparent pipe 4, record pressure b, flow b1,
The scale b2 ... ... of every transparent pipe 4, by that analogy；Contrast change (the i.e. head under the more previous hydraulic pressure of scale of transparent pipe 4
Difference).As pipeline hydraulic pressure power is continuously increased, when pressure reaches a certain critical value, continue to increase water on critical point basis
Pressure, the head of transparent pipe 4 all keep stable, show that testing soil sample has occurred and that seepage erosion, the critical hydraulic pressure force is to ooze
Stream destroys critical pressure point, and the critical pressure point judges by the way that reading is constant.
Further, because the shroud 14 at the water inlet 6 is dismountable structure, therefore by changing different through holes 16
The shroud 14 of size, different pipe burst leakage apertures can be simulated, so as to study different pipe burst apertures to testing soil sample 7
Seepage erosion influence.
So that sand tests soil sample as an example, the size of through hole 16 of shroud 14 is 1mm at water inlet 6, the length, width and height of experimental box body 1
Respectively 600 × 150 × 420mm, water inlet probe 2 pre-buried height respectively 0 directly over water inlet, 50,100,150,200,
At 250mm, the corresponding zero graduation for connecting transparent pipe 4 keeps same level height with the top of shroud 14, and control pressure pump 9 is initially pressed
Power is 0.02MPa, record 6 water inlet probes 2 be respectively from high to low 825mm, 745mm, 682mm, 633mm, 585mm,
559mm. and then control pressure pump 9 are continuously increased pressure, increase 0.01MPa every time, during to 0.06MPa pressure, 6 water inlet probes
Scale stablize with the head under a upper pressure it is constant, now it is believed that experiment soil sample 7 there occurs seepage erosion (may also be combined with straight
Connect range estimation), judge that the seepage erosion of the experiment soil sample 7 can be caused under this critical pressure of 0.06MPa.
Claims (6)
1. the pilot model apparatus that sand caused by a kind of foggara rupture destroys, including transparent or nontransparent experiment casing,
Characterized in that, also including the pressure tube panel outside experiment casing, be vertically provided with the pressure tube panel at least one,
The transparent pipe of lower both ends open, at least one embedment is provided with the experiment casing and tests water inlet probe in soil sample, it is described enter
Water probe is connected through pipeline with the transparent pipe lower end in the pressure tube panel；The experiment casing bottom is provided with water inlet, epimere
Provided with rhone, the height of the rhone is higher than the filling height of chamber experiment in vivo soil sample.
2. the pilot model apparatus that sand caused by foggara rupture as claimed in claim 1 destroys, it is characterised in that described
At least two water inlet probes are provided with directly over experiment casing water inlet, and it is also vertically transparent provided with respective numbers in pressure tube panel
Pipe, correspond and be connected；When the water inlet probe is two, then it is respectively arranged in the upper and lower of experiment soil sample；Work as institute
State into water probe be more when, outer except being respectively arranged two of the upper and lower in experiment soil sample, remaining probe is then along testing
The filling high uniformity arrangement of soil sample.
3. the pilot model apparatus that sand caused by foggara rupture as claimed in claim 1 or 2 destroys, it is characterised in that
The bottom surface of the experiment casing is provided with closed tank, in water inlet and experiment casing of the closed tank through experiment casing bottom surface
Connection；The import of the closed tank is connected through compression pump with water storage box.
4. the pilot model apparatus that sand caused by foggara rupture as claimed in claim 3 destroys, it is characterised in that described
Flowmeter, pressure gauge and flow control valve are additionally provided with the import of closed tank and the connecting pipe of compression pump.
5. the pilot model apparatus that sand caused by foggara rupture as claimed in claim 1 or 2 destroys, it is characterised in that
The water inlet is covered with filter screen.
6. the pilot model apparatus that sand caused by foggara rupture as claimed in claim 5 destroys, it is characterised in that described
Filter screen is provided with removable shroud, and the shroud has through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277667.5U CN206876696U (en) | 2017-03-21 | 2017-03-21 | The pilot model apparatus that sand caused by foggara rupture destroys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277667.5U CN206876696U (en) | 2017-03-21 | 2017-03-21 | The pilot model apparatus that sand caused by foggara rupture destroys |
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| Publication Number | Publication Date |
|---|---|
| CN206876696U true CN206876696U (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720277667.5U Expired - Fee Related CN206876696U (en) | 2017-03-21 | 2017-03-21 | The pilot model apparatus that sand caused by foggara rupture destroys |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827883A (en) * | 2019-03-14 | 2019-05-31 | 中国建筑东北设计研究院有限公司 | A kind of experimental rig and test method for simulating campshed supporting foundation pit stability study under deep-foundation pit engineering pipeline breaking operating condition |
-
2017
- 2017-03-21 CN CN201720277667.5U patent/CN206876696U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827883A (en) * | 2019-03-14 | 2019-05-31 | 中国建筑东北设计研究院有限公司 | A kind of experimental rig and test method for simulating campshed supporting foundation pit stability study under deep-foundation pit engineering pipeline breaking operating condition |
| CN109827883B (en) * | 2019-03-14 | 2024-02-27 | 中建东设岩土工程有限公司 | Test device and test method for simulating stability study of pile-row support foundation pit under deep foundation pit engineering pipeline rupture working condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tao Gaoliang Inventor after: Gan Shichao Inventor after: Li Jin Inventor after: Cui Xilin Inventor after: Zhuang Xinshan Inventor after: Wu Xiaokang Inventor after: Wang Zixiang Inventor after: Chen Yin Inventor after: Zhu Xueliang Inventor after: Bai Liang Inventor before: Tao Gaoliang Inventor before: Li Jin Inventor before: Wu Xiaokang Inventor before: Chen Yin Inventor before: Zhu Xueliang Inventor before: Bai Liang Inventor before: Gan Shichao |
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| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20200321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |