CN202837110U - Novel test device of rock-soil side slope ecological protection deformation - Google Patents
Novel test device of rock-soil side slope ecological protection deformation Download PDFInfo
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- CN202837110U CN202837110U CN 201220266288 CN201220266288U CN202837110U CN 202837110 U CN202837110 U CN 202837110U CN 201220266288 CN201220266288 CN 201220266288 CN 201220266288 U CN201220266288 U CN 201220266288U CN 202837110 U CN202837110 U CN 202837110U
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Abstract
A novel test device of rock-soil side slope ecological protection deformation is characterized in that the device mainly comprises a water tank (1), a pressure forcing frame (2), a dial indicator (4), a pressure chamber (5), a water inlet tube (6), a water discharge tube (8), a pressure forcing shaft (11), an upper water discharge tube (12), a water guide tube (14), a top cap (15), an upper permeable stone(16), a lower permeable stone(18), a base (19), a water measuring tube (20), a lower water discharge tube (23), a pressure chamber base (24), a fixing bolt (25), a weight (26), a pressure forcing lever (30) and the like. The novel test device is simple in manufacture and high in measurement accuracy, meets requirements for sample solidification and creep deformation control, can directly measure long-term compressive strength and deformation parameters of various rock and soil media in ecological side slope ecological protection under a saturation or unsaturation state, and can be used for indoor or site test of various rock and soil media in civil engineering.
Description
Technical field
The utility model is a kind of geotechnological proving installation, belongs to building (ground) field of engineering technology.
Background technology
The reasons such as for a long time, the long-term uniaxial compressive strength that carries out the Rock And Soil sample all is to utilize the compression strength value of short-term to replace, and main because single shaft resistance to compression long-term strength test period is longer, and instrument control is stable not, and the test data discreteness is large.And Chinese scholars is very large to the understanding difference of long-term strength, mainly contains following 4 kinds of schools: 1. long-term strength reduces group; 2. long-term strength improves group; 3. the constant group of long-term strength; 4. the indefinite group of long-term strength.The long-term creep shearing strength of soft rock/pan soil will according to actual conditions, just can be drawn a conclusion by theoretical analysis and experimental test.The long-term creep strength of test slope ground medium is the basis of carrying out theoretical analysis under the different tests condition.At present both at home and abroad also the comparatively unripe rock soil medium that is used for measuring in the Ecological Slope protection without single shaft resistance to compression creep test device under the confining pressure.This application be exactly to invent a kind of for the single shaft resistance to compression deformation testing device of ground under state of saturation or unsaturated state condition.
Summary of the invention
The utility model purpose provides a kind of novel geotechnical slope ecological protection deformation testing device, solves the TERM DEFORMATION of rock soil medium under saturated or unsaturated state and the measurement problem of intensity in the geotechnical slope ecological protection.
Technical solution of the present utility model is characterized in that utilizing a kind of novel test device, and this device comprises water tank 1, increased pressure frame 2, bolt 3, clock gauge 4, pressure chamber 5, water inlet pipe 6, water inlet pipe valve 7, drainpipe 8, drainpipe valve 9, rotation axis 10, pressuring shaft 11, upper drainpipe 12, upper drainpipe valve 13, aqueduct 14, top cap 15, upper dankness stone 16, sample 17, lower permeable stone 18, base 19, water column 20, aqueduct valve 21, lower drainpipe valve 22, lower drainpipe 23, pressure chamber's base 24, gim peg 25, counterweight 26, large counterweight 27, the first suspension hook 28, the second suspension hooks 29, pressurization lever 30.Water tank 1 links to each other with pressure chamber's base 24 by water inlet pipe 6, water inlet pipe 6 is by 7 controls of water inlet pipe valve, drainpipe 8 is by 9 controls of drainpipe valve, upper drainpipe 12 is by upper drainpipe valve 13 controls, lower drainpipe 23 is by lower drainpipe 22 controls, pressure chamber 7 links to each other with water column 20 by aqueduct 14, aqueduct 14 is by 21 controls of aqueduct valve, lower permeable stone 18 is installed above the base 19, installation sleeve has the sample 17 of rubber diaphragm above the lower permeable stone 18, install permeable stone 16 above the sample 17, top cap 15 is installed above the upper dankness stone 16, top cap 15 is aimed at pressuring shaft 11, and pressuring shaft 11 is passed pressure chamber 5 and is connected with increased pressure frame 2, and pressure chamber 5 is connected with pressure chamber's base by bolt 3, clock gauge 4 is installed in the pressure chamber, increased pressure frame 2 is connected gim peg 25 by gim peg 25 with pressure chamber's base 24, large counterweight 27 passes through rotation axis 10 with pressurization lever 30, the first suspension hook 28 connects, and pressurization lever 30 is connected by the second suspension hook 29 with counterweight 26.
Advantage of the present invention:
Instrument manufacturing is simple, and measuring accuracy is high, satisfies Sample consolidation, creep control requirement, can directly measure TERM DEFORMATION and the intensive parameter of rock soil medium under saturated or operate under unsaturated conditions in the various Ecological Slope protection.
The scope of application of the present invention:
Can be used for the indoor or on-the-spot test of the various rock soil medium that run in the Ecological Slope protection, be applicable to measurement saturated without ground under the confining pressure and unsaturation long-term strength and deformation parameter.
Description of drawings:
Fig. 1 is a kind of novel geotechnical slope ecological protection deformation testing device structural representation.Wherein: water tank 1 is arranged, increased pressure frame 2, bolt 3, clock gauge 4, pressure chamber 5, water inlet pipe 6, water inlet pipe valve 7, drainpipe 8, drainpipe valve 9, rotation axis 10, pressuring shaft 11, upper drainpipe 12, upper drainpipe valve 13, aqueduct 14, top cap 15, upper dankness stone 16, sample 17, lower permeable stone 18, base 19, water column 20, aqueduct valve 21, lower drainpipe valve 22, lower drainpipe 23, pressure chamber's base 24, gim peg 25, counterweight 26.
Fig. 2 is the A-A right view of Fig. 1.Wherein have: rotation axis 10, gim peg 25, counterweight 26, large counterweight 27, the first suspension hooks 28, the second suspension hooks 29, pressurization lever 30.
Embodiment:
Embodiment: the test method for the uniaxial compression distortion that measures Ecological Slope protection rock soil medium is as follows:
(1) the deformation test method under the sample saturation conditions:
1. sample is installed: bleed sample 17 saturated first, and immersion upper dankness stone 16 and lower permeable stone 18, then lower permeable stone 18 is put on the base 19, sample 17 after saturated is put rubber diaphragm to be installed on the lower permeable stone 18, place upper dankness stone 16 on the sample 17, the top adds caping cap 15, and with rubber ring fixedly top cap 15 and base 19.
2. water-filling is prepared: pressure chamber 5 is installed on pressure chamber's base 24, tight a bolt 3, pressuring shaft 11 is aimed at top cap 15, close drainpipe valve 9, open aqueduct valve 21, upper drainpipe valve 13 and water inlet pipe valve 7, pressure chamber 5 is full of water until be full of half water in the water column 20, closes water inlet pipe valve 7.
3. sample loads: open lower drainpipe valve 22, with pressuring shaft 11 contact top caps 15, regulate clock gauge 4, place on request counterweight 26, carry out the uniaxial loading test, close lower drainpipe valve 22 after 24 hours, throughput water pipe 20 carries out the measurement of sample 17 volume change, measures the axial strain of sample 17 by clock gauge 4.
(2) the deformation test method under the sample operate under unsaturated conditions:
1. sample is installed: lower permeable stone 18 is put on the base 19, natural sample 17 is put rubber diaphragm be installed on the lower permeable stone 18, place upper dankness stone 16 on the sample 17, the top adds caping cap 15, and with rubber ring fixedly top cap 15 and base 19.
2. water-filling is prepared: pressure chamber 5 is installed on pressure chamber's base 24, tight a bolt 3, pressuring shaft 11 is aimed at top cap 15, close drainpipe valve 9 and upper drainpipe valve 13, open aqueduct valve 21 and water inlet pipe valve 7, pressure chamber 5 is full of water until be full of half water in the water column 20, closes water inlet pipe valve 7.
3. sample loads: open lower drainpipe valve 22, with pressuring shaft 11 contact top caps 15, regulate clock gauge 4, place on request counterweight 26, carry out the uniaxial loading test, close lower drainpipe valve 22 after 24 hours, throughput water pipe 20 carries out the measurement of sample 17 volume change, measures the axial strain of sample 17 by clock gauge 4.
Claims (1)
1. novel geotechnical slope ecological protection deformation testing device, it is characterized in that this device comprises water tank (1), increased pressure frame (2), bolt (3), clock gauge (4), pressure chamber (5), water inlet pipe (6), water inlet pipe valve (7), drainpipe (8), drainpipe valve (9), rotation axis (10), pressuring shaft (11), upper drainpipe (12), upper drainpipe valve (13), aqueduct (14), top cap (15), upper dankness stone (16), sample (17), lower permeable stone (18), base (19), water column (20), aqueduct valve (21), lower drainpipe valve (22), lower drainpipe (23), pressure chamber's base (24), gim peg (25), counterweight (26), large counterweight (27), the first suspension hook (28), the second suspension hook (29) and pressurization lever (30), water tank (1) links to each other with pressure chamber's base (24) by water inlet pipe (6), water inlet pipe (6) is by water inlet pipe valve (7) control, drainpipe (8) is by drainpipe valve (9) control, upper drainpipe (12) is by upper drainpipe valve (13) control, lower drainpipe (23) is by lower drainpipe (22) control, pressure chamber (7) links to each other with water column (20) by aqueduct (14), aqueduct (14) is by aqueduct valve (21) control, lower permeable stone (18) is installed above the base (19), installation sleeve has the sample (17) of rubber diaphragm above the lower permeable stone (18), install permeable stone (16) above the sample (17), top cap (15) is installed above the upper dankness stone (16), top cap (15) is aimed at pressuring shaft (11), pressuring shaft (11) is passed pressure chamber (5) and is connected with increased pressure frame (2), pressure chamber (5) is connected with pressure chamber's base by bolt (3), clock gauge (4) is installed in the pressure chamber, increased pressure frame (2) is connected with pressure chamber's base (24) by gim peg (25), gim peg (25), large counterweight (27) passes through rotation axis (10) with pressurization lever (30), the first suspension hook (28) connects, and pressurization lever (30) is connected by the second suspension hook (29) with counterweight (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266288 CN202837110U (en) | 2012-06-07 | 2012-06-07 | Novel test device of rock-soil side slope ecological protection deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266288 CN202837110U (en) | 2012-06-07 | 2012-06-07 | Novel test device of rock-soil side slope ecological protection deformation |
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| Publication Number | Publication Date |
|---|---|
| CN202837110U true CN202837110U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220266288 Expired - Fee Related CN202837110U (en) | 2012-06-07 | 2012-06-07 | Novel test device of rock-soil side slope ecological protection deformation |
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| CN (1) | CN202837110U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696355A (en) * | 2019-01-21 | 2019-04-30 | 中国林业科学研究院木材工业研究所 | A kind of measuring method for the Long-Term Tensile Strength recombinating composite construction bamboo wood |
| CN110926937A (en) * | 2019-11-08 | 2020-03-27 | 山东科技大学 | Device and method for measuring dynamic lateral strain of test piece through liquid volume |
| CN110987618A (en) * | 2019-12-13 | 2020-04-10 | 中国电建集团中南勘测设计研究院有限公司 | Rockfill material testing device and method |
| CN114414375A (en) * | 2022-01-21 | 2022-04-29 | 武汉大学 | Drainage rate controllable type rockfill material lateral confinement compression test device and method |
-
2012
- 2012-06-07 CN CN 201220266288 patent/CN202837110U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696355A (en) * | 2019-01-21 | 2019-04-30 | 中国林业科学研究院木材工业研究所 | A kind of measuring method for the Long-Term Tensile Strength recombinating composite construction bamboo wood |
| CN110926937A (en) * | 2019-11-08 | 2020-03-27 | 山东科技大学 | Device and method for measuring dynamic lateral strain of test piece through liquid volume |
| CN110987618A (en) * | 2019-12-13 | 2020-04-10 | 中国电建集团中南勘测设计研究院有限公司 | Rockfill material testing device and method |
| CN114414375A (en) * | 2022-01-21 | 2022-04-29 | 武汉大学 | Drainage rate controllable type rockfill material lateral confinement compression test device and method |
| CN114414375B (en) * | 2022-01-21 | 2024-01-12 | 武汉大学 | Device and method for lateral limit compression test of rock-fill material with controllable drainage rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20160607 |