CN106680131A - Triaxial piping test system - Google Patents
Triaxial piping test system Download PDFInfo
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- CN106680131A CN106680131A CN201611221252.2A CN201611221252A CN106680131A CN 106680131 A CN106680131 A CN 106680131A CN 201611221252 A CN201611221252 A CN 201611221252A CN 106680131 A CN106680131 A CN 106680131A
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- base
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- pressure chamber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a triaxial piping test system. The system comprises a water-sand separation device, an infiltration control device, a water pressure control device and a triaxial loading mainframe. The triaxial loading mainframe comprises a base, a reverse crossbeam is arranged above the base and connected with the base through supporting rods, a loading rod is arranged on a universal hinge which is arranged at the bottom of the reverse crossbeam, a pressure chamber base is arranged on a base, and a pressure top cover is arranged above the pressure chamber base and connected with the same through side vertical columns. The loading rod is connected with a sample cap arranged on the pressure chamber base, the upper portion of the sample cap is provided with permeable stone, and latex films are arranged around the sample cap. The pressure chamber base is provided with a base drain passage which is connected with an external water drain pipe. The water pressure control device is connected with the sample cap through an internal water drain pipe, the water-sand separation device is connected with the external water drain pipe, and the infiltration control device is connected with the sample cap. The triaxial piping test system has the advantage that conventional soil triaxial experiments and indoor soil triaxial piping experiments can be carried out in a balanced manner.
Description
Technical field
The invention belongs to a kind of for soil body mechanics in the room of Geotechnical Engineering field-Seepage-stress coupling performance test apparatus technology neck
Domain, more particularly, to a kind of three central siphon pilot system is gushed.
Background technology
The soil body is a kind of pore media material, and the soil body of nature is made up of soil particle, pore water, hole gas.In pressure
Under etc. extraneous factor effect, pore water can flow in soil body space, as seepage flow.Permeability is that the important hydraulics of the soil body is special
One of property, the test of the soil body permeability important in inhibiting in Practical Project layer.Infiltration for sandy soil, in engineering
Usually showed in the form of piping, i.e., due to the effect of seepage force, granule is carried away by current in the soil body.Laboratory commonly uses ordinary water
Head and variable head permeability test are tested soil body permeability, correlation technique and written into national regulation (GB50021).And use
Still lack in research soil body shop test equipment of erosion Mechanism under Three-phase stress state.Existing three-axis infiltration experiment equipment master
Penetration study of the soil body under three axle axle power states is carried out, that is, is not related to the loss of soil body quality.Existing equipment is not applied to
In the research of soil body erosion property under Three-phase stress state.
The content of the invention
In view of this, it is contemplated that proposing that a kind of three central siphon gushes pilot system, so as to three central siphons gush pilot system be suitable for
In indoor test, and piping test of the soil body under Three-phase stress state can be studied.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of three central siphons gush pilot system, including water sand segregation apparatuss, infiltration control device, hydraulic control device and three axles
Loading main frame, the three axles loading main frame includes base, and the base top is provided with the reverse crossbeam connected by support bar, institute
State reverse crossbeam bottom and be provided with universal hinge, the universal hinge is provided with load bar, and the base is provided with pressure chamber base, described
Pressure chamber base top be provided with by heel post connect pressure type top cover, the pressure chamber top cover and the pressure chamber base it
Between be provided with bolt, the pressure type top cover is provided with pressure type vent valve, and the pressure chamber base is provided with sample cap, it is described plus
Carry bar to be connected with the sample cap through the pressure type top cover, the sample cap top is provided with permeable stone, the sample cap four
It is provided with latex film week, the pressure chamber base is provided with base drain passage, and the base drain passage is connected with outer drain pipe,
The hydraulic control device includes confined pressure control device and back-pressure control device, and the confined pressure control device and the back-pressure are controlled
Device is connected by internal drainage pipe with the sample cap, and the water sand segregation apparatuss include dusting cover and are connected with the dusting cover
Effusion meter, the water sand segregation apparatuss are connected with the outer drain pipe, and the infiltration control device includes container and the container
The input of connection becomes water level controller, and becomes air supply opening and the feed water inlet that water level controller is connected, the infiltration with the water delivery
Control device is connected with the sample cap.
Further, it is equipped with soil sample in the pressure chamber base；
Further, the confined pressure control device, the back-pressure control device are provided with sealing with the sample cap junction
Pad.
Relative to prior art, a kind of three central siphon of the present invention gushes pilot system and has the advantage that：
A kind of three central siphon of the present invention gushes pilot system, and each device structure is tight so that pilot system can be in room
Inside carry out the central siphon of the soil body three and gush experiment, can take into account while the central siphon of the soil body three gushes experiment the experiment of soil body normal triaxial meeting.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the overall control structure schematic diagram that a kind of three central siphon described in the embodiment of the present invention gushes pilot system.
Description of reference numerals：
The reverse crossbeams of 1-, 2- reversely cuts with scissors, 3- load bars, 4- pressure type top cover vent valves, 5- pressure type top covers, 6- bolts,
The edge-on bars of 7-, 8- sample caps, 9- internal drainage pipes, 10- sealing gaskets, 11- permeable stones, 12- latex films, 13- soil samples, 14- pressure chamberes
Base, the outer drain pipies of 15-, 16- base drain passages, 17- bases, 18- confined pressure control devices, 19- back-pressure control devices, 20-
Water sand segregation apparatuss, 21- dusting covers, 22- effusion meters, 23- infiltration control devices, 24- containers, 25- water deliverys become water level controller,
26- air supply openings, 27- feed water inlets, 28- hydraulic control devices, the axles of 29- tri- loading main frame, 30- support bars.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combination.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
As shown in figure 1, a kind of three central siphon gushes pilot system, including water sand segregation apparatuss 20, infiltration control device 23, hydraulic pressure
The axle of control device 28 and three loads main frame 29, and the three axles loading main frame 29 includes base 17, and the top of the base 17 is provided with logical
The reverse crossbeam 1 of the connection of support bar 30 is crossed, the bottom of reverse crossbeam 1 is provided with universal hinge 2, and the universal hinge 2 is provided with loading
Bar 3, the base 17 is provided with pressure chamber base 14, and the top of the pressure chamber base 14 is provided with the pressure connected by heel post 7
Power formula top cover 5, is provided with bolt 6 between the pressure chamber top cover 5 and the pressure chamber base 14, set on the pressure type top cover 5
There is pressure type vent valve 4, the pressure chamber base 14 is provided with sample cap 8, and soil sample 13 is equipped with the pressure chamber base 14, and
The sample cap 8 is placed in the top of the soil sample 14, and the load bar 3 connects through the pressure type top cover 5 with the sample cap 8
Connect, the top of sample cap 8 is provided with permeable stone 11, and the sample cap 8 is formed around latex film 12, in the pressure chamber base 14
Base drain passage 16 is provided with, the base drain passage 16 is connected with outer drain pipe 15, and the hydraulic control device 28 includes
Confined pressure control device 18 and back-pressure control device 19, the confined pressure control device 18 and the back-pressure control device 19 are by interior
Drain pipe 9 is connected with the sample cap 8, and the confined pressure control device 18, the back-pressure control device 19 connect with the sample cap 8
The place of connecing is provided with sealing gasket 10, can fully ensure that the sealing property of device, the water sand segregation apparatuss 20 include dusting cover 21 and with institute
The effusion meter 22 of the connection of dusting cover 21 is stated, the water sand segregation apparatuss 20 are connected with the outer drain pipe 15, the infiltration control dress
Putting 23 includes that the input that container 24 and the container 24 connect becomes water level controller 25, and becomes water level controller with the water delivery
The air supply opening 26 of 25 connections and feed water inlet 27, the infiltration control device 23 is connected with the sample cap 8.
During experiment：Soil sample 13 is placed in pressure chamber base 14, can be tested after soil sample saturation, solid section, hydraulic pressure
Control device 28 applies confined pressure to around soil sample, control device 23 is permeated to apply flowing pressure to soil sample, to form soil sample
Gush, water sand segregation apparatuss 20 to filter piping test in wash away the native aqueous mixtures that and be filtrated to get the loss soil body, test
In soil sample axial compressive force, soil sample confined pressure, osmotic pressure data are recorded, wash away in test the native aqueous mixtures that and flow into
Water sand segregation apparatuss 20, by dusting cover 21 soil particle is filtered, and can be weighed after the test.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (3)
1. a kind of three central siphon gushes pilot system, including water sand segregation apparatuss (20), infiltration control device (23), hydraulic control device
(28) and three axles loading main frame (29), it is characterised in that：Three axle loading main frame (29) is including base (17), the base
(17) top is provided with the reverse crossbeam (1) connected by support bar (30), and reverse crossbeam (1) bottom is provided with universal hinge (2),
The universal hinge (2) is provided with load bar (3), and the base (17) is provided with pressure chamber base (14), the pressure chamber base
(14) top is provided with the pressure type top cover (5) connected by heel post (7), the pressure chamber top cover (5) and the pressure chamber bottom
Bolt (6) is provided between seat (14), the pressure type top cover (5) is provided with pressure type vent valve (4), the pressure chamber base
(14) sample cap (8) is provided with, the load bar (3) is connected through the pressure type top cover (5) with the sample cap (8), institute
State sample cap (8) top and be provided with permeable stone (11), the sample cap (8) is formed around latex film (12), the pressure chamber base
(14) base drain passage (16) is provided with, the base drain passage (16) is connected with outer drain pipe (15), the Water pressure controlled
Device (28) processed includes confined pressure control device (18) and back-pressure control device (19), the confined pressure control device (18) and described anti-
Pressure control device (19) is connected by internal drainage pipe (9) with the sample cap (8), and the water sand segregation apparatuss (20) are including thin
Sieve (21) and the effusion meter (22) being connected with the dusting cover (21), the water sand segregation apparatuss (20) and the outer drain pipe (15)
Connection, infiltration control device (23) becomes water level controller including the input of container (24) and the container (24) connection
(25), and with the water delivery air supply opening (26) and feed water inlet (27) that water level controller (25) is connected, the infiltration control dress are become
Put (23) to be connected with the sample cap (8).
2. a kind of three central siphon according to claim 1 gushes pilot system, it is characterised in that：On the pressure chamber base (14)
It is equipped with soil sample (13).
3. a kind of three central siphon according to claim 1 gushes pilot system, it is characterised in that：The confined pressure control device
(18), the back-pressure control device (19) is provided with sealing gasket (10) with sample cap (8) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221252.2A CN106680131A (en) | 2016-12-26 | 2016-12-26 | Triaxial piping test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221252.2A CN106680131A (en) | 2016-12-26 | 2016-12-26 | Triaxial piping test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106680131A true CN106680131A (en) | 2017-05-17 |
Family
ID=58871538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611221252.2A Pending CN106680131A (en) | 2016-12-26 | 2016-12-26 | Triaxial piping test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106680131A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169028A (en) * | 2018-01-29 | 2018-06-15 | 武汉龙澄环境装备有限公司 | Container water test unit |
| CN109085085A (en) * | 2018-08-20 | 2018-12-25 | 临沂大学 | A kind of water sand is prominent to gush water sand separation and metering device in pilot system |
| CN110426295A (en) * | 2019-07-11 | 2019-11-08 | 水利部交通运输部国家能源局南京水利科学研究院 | Contact surface shears three axis test devices and method |
| CN110514533A (en) * | 2019-08-19 | 2019-11-29 | 浙江工业大学 | A kind of three-axis mounting and application method suitable for testing soil body mechanical characteristic in the case where water recycles osmosis |
| CN111024577A (en) * | 2019-08-27 | 2020-04-17 | 华南农业大学 | Device and method for testing influence of immersion-corrosion coupling effect on mechanical characteristics of soil body |
| CN112540010A (en) * | 2020-11-26 | 2021-03-23 | 北京工业大学 | Triaxial test device and test method for soil stress path piping |
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| CN102323196A (en) * | 2011-05-23 | 2012-01-18 | 申坤 | Design manufacturing and application of triaxial penetration tester |
| CN104265365A (en) * | 2014-10-14 | 2015-01-07 | 中国矿业大学 | Simulation test device and test method of sand inrush |
| CN104535470A (en) * | 2014-12-12 | 2015-04-22 | 上海交通大学 | Penetration and corrosion triaxial testing apparatus for gravel soil and testing method thereof |
| CN104833579A (en) * | 2015-04-24 | 2015-08-12 | 河海大学 | Test device and test method for testing strength change of soil body after occurrence of seepage deformation of dykes and dams |
| CN204958470U (en) * | 2015-07-06 | 2016-01-13 | 江苏绿川环保科技有限公司 | Reverse osmosis controlling means |
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2016
- 2016-12-26 CN CN201611221252.2A patent/CN106680131A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323196A (en) * | 2011-05-23 | 2012-01-18 | 申坤 | Design manufacturing and application of triaxial penetration tester |
| CN104265365A (en) * | 2014-10-14 | 2015-01-07 | 中国矿业大学 | Simulation test device and test method of sand inrush |
| CN104535470A (en) * | 2014-12-12 | 2015-04-22 | 上海交通大学 | Penetration and corrosion triaxial testing apparatus for gravel soil and testing method thereof |
| CN104833579A (en) * | 2015-04-24 | 2015-08-12 | 河海大学 | Test device and test method for testing strength change of soil body after occurrence of seepage deformation of dykes and dams |
| CN204958470U (en) * | 2015-07-06 | 2016-01-13 | 江苏绿川环保科技有限公司 | Reverse osmosis controlling means |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169028A (en) * | 2018-01-29 | 2018-06-15 | 武汉龙澄环境装备有限公司 | Container water test unit |
| CN109085085A (en) * | 2018-08-20 | 2018-12-25 | 临沂大学 | A kind of water sand is prominent to gush water sand separation and metering device in pilot system |
| CN109085085B (en) * | 2018-08-20 | 2020-11-06 | 临沂大学 | Water sand separation and metering device in water sand gushing test system |
| CN110426295A (en) * | 2019-07-11 | 2019-11-08 | 水利部交通运输部国家能源局南京水利科学研究院 | Contact surface shears three axis test devices and method |
| CN110514533A (en) * | 2019-08-19 | 2019-11-29 | 浙江工业大学 | A kind of three-axis mounting and application method suitable for testing soil body mechanical characteristic in the case where water recycles osmosis |
| CN110514533B (en) * | 2019-08-19 | 2023-12-05 | 浙江工业大学 | Triaxial device suitable for testing mechanical properties of soil body under water circulation permeation effect and application method |
| CN111024577A (en) * | 2019-08-27 | 2020-04-17 | 华南农业大学 | Device and method for testing influence of immersion-corrosion coupling effect on mechanical characteristics of soil body |
| CN111024577B (en) * | 2019-08-27 | 2021-04-13 | 华南农业大学 | Device and method for testing influence of immersion-corrosion coupling effect on mechanical characteristics of soil body |
| CN112540010A (en) * | 2020-11-26 | 2021-03-23 | 北京工业大学 | Triaxial test device and test method for soil stress path piping |
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| PB01 | Publication | ||
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Application publication date: 20170517 |