CN203259423U - Geotechnical resilience modulus measure apparatus - Google Patents
Geotechnical resilience modulus measure apparatus Download PDFInfo
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- CN203259423U CN203259423U CN 201320296153 CN201320296153U CN203259423U CN 203259423 U CN203259423 U CN 203259423U CN 201320296153 CN201320296153 CN 201320296153 CN 201320296153 U CN201320296153 U CN 201320296153U CN 203259423 U CN203259423 U CN 203259423U
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- pallet
- clock gauge
- lift pallet
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Abstract
The utility model relates to a geotechnical resilience modulus measure apparatus. A lift pallet (2) is arranged in a pedestal (3), the lift pallet (2) is connected with a manual crank (4), a test cylinder (1) is disposed in the pallet (2) of the lift pallet (2), the left end of the pedestal (3) is connected with a column (9), a horizontal lever (10) is arranged at the top end of the column (9), an adjusting counterweight (12) is arranged at the left end of the horizontal lever (10), a loading rack (11) is arranged at the right end of the horizontal lever (10), an annular collar (5) connected with the column (9) is arranged just over the lift pallet (2), a bearing plate (8) is arranged in the annular collar (5), a pressurizing ball seat (13) arranged on the horizontal lever (10) is arranged just over the bearing plate (8), and a dial gauge (7) is arranged on the column (9). The apparatus is used for accurately determining the center position of a test piece, is convenient to operate, and is suitable for the determination of indoor geotechnical resilience modulus experiments.
Description
Technical field
The utility model relates to a kind of measurement mechanism for the geotechnological modulus of resilience.
Background technology
There is following shortcoming in existing geotechnological modulus of resilience experimental provision: the position of test specimen is unfixing, regulate the center of test specimen by the position of left and right adjusting test specimen, often determine the center of test specimen by vision, cause the error of measurement, precision is inadequate; Bearing plate is movable, also is difficult for aligning the center on test specimen surface; Because the restricted problem of height of specimen, sometimes need nut on the adjusting post to change the position of horizontal lever, determine pressure rod when level and on the loading plate Surface Contact, program is loaded down with trivial details, the horizontality out of true of horizontal lever causes error in measuring process in adjustment process.
Summary of the invention
The utility model is for the deficiency that existing mensuration means and precision exist, proposed a kind of easy and simple to handle, precision is higher is used for geotechnological modulus of resilience measurement mechanism.
The technical solution of the utility model: a kind of measurement mechanism for the geotechnological modulus of resilience, it comprises: examination cylinder 1, lift pallet 2, base 3, hand crank 4, circumferential collar 5, clock gauge fixed support 6, clock gauge 7, bearing plate 8, column 9, horizontal lever 10, loading frame 11, regulate counterweight 12 and pressurization ball seat 13, be provided with lift pallet 2 in the base 3, lift pallet 2 is connected with hand crank 4, in the pallet of lift pallet 2, be placed with examination cylinder 1, the left end of base 3 is connected with column 9, be provided with horizontal lever 10 on the top of column 9, the left end of horizontal lever 10 is provided with regulates counterweight 12, right-hand member is provided with loading frame 11, directly over lift pallet 2, be provided with the circumferential collar 5 that is connected with column 9, in this circumferential collar 5, be placed with bearing plate 8, the pressurization ball seat 13 that is arranged on the horizontal lever 10 is arranged on directly over the bearing plate 8, also be provided with clock gauge 7 on the column 9, clock gauge 7 is fixed on the column 9 by clock gauge fixed support 6.
The utility model compared with prior art has following beneficial effect: the utility model is used for accurately determining the test specimen center, and is easy to operate, applicable to the mensuration of indoor geotechnological modulus of resilience experiment.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of measurement mechanism for the geotechnological modulus of resilience, it comprises: examination cylinder 1, lift pallet 2, base 3, hand crank 4, circumferential collar 5, clock gauge fixed support 6, clock gauge 7, bearing plate 8, column 9, horizontal lever 10, loading frame 11, regulate counterweight 12 and pressurization ball seat 13, be provided with lift pallet 2 in the base 3, lift pallet 2 is connected with hand crank 4, in the pallet of lift pallet 2, be placed with examination cylinder 1, the left end of base 3 is connected with column 9, be provided with horizontal lever 10 on the top of column 9, the left end of horizontal lever 10 is provided with regulates counterweight 12, right-hand member is provided with loading frame 11, directly over lift pallet 2, be provided with the circumferential collar 5 that is connected with column 9, in this circumferential collar 5, be placed with bearing plate 8, the pressurization ball seat 13 that is arranged on the horizontal lever 10 is arranged on directly over the bearing plate 8, also be provided with clock gauge 7 on the column 9, clock gauge 7 is fixed on the column 9 by clock gauge fixed support 6.
Below in conjunction with instantiation, the operating process of measurement mechanism of the present utility model is described in detail:
Example 1:
In shop experiment, the modulus of resilience value that needs measurement different moisture content or different compactness heavy (light-duty) to hit real test specimen.As required, operate according to following steps:
1, test specimen is placed on the hoistable platform together with the examination cylinder;
2, be placed on bearing plate on the upper surface of test specimen by circumferential collar;
3, by the height of hand crank control test specimen, so that lever is horizontal, the pressurization ball seat contacts with the loading plate surface;
4, circumferential collar is taken down;
5, regulate clock gauge and be fixed on the column, the side head of showing is placed on the dial framework of loading plate;
6, the loading frame at the lever instrument applies counterweight, precompressed levelling loading plate position, and clock gauge is transferred to position near full scale;
7, will be scheduled to maximum unit pressure and be divided into 4 ~ 6 parts, as the pressure of every grade of loading.Every grade of load time, record clock gauge reading unloaded simultaneously, allows test specimen recover distortion when being 1min.During unloading 1min, again record the clock gauge reading, apply simultaneously the next stage load.Carry out step by step loading and unloading, and the reading of record clock gauge, until the afterbody load.
8, the resilience under every grade of load of calculating: L=loads reading-unloading reading, utilizes formula to try to achieve modulus of resilience value:
, wherein,
E-modulus of resilience (KPa);
D-loading plate diameter (cm);
The resilience (cm) of-corresponding and unit pressure;
Example 2:
In shop experiment, need to measure the modulus of resilience test of unconfined specimen, as required, operate according to following steps:
1, test specimen is placed on the hoistable platform together with the examination cylinder;
2, be placed on bearing plate on the upper surface of test specimen by circumferential collar;
3, by the height of hand crank control test specimen, so that lever is horizontal, the pressurization ball seat contacts with the loading plate surface;
4, circumferential collar is taken down;
5, regulate clock gauge and be fixed on the column, the side head of showing is placed on the dial framework of loading plate;
6, the loading frame at the lever instrument applies counterweight, and precompressed is also carried out the mensuration of the follow-up modulus of resilience.
7, will be scheduled to maximum unit pressure and be divided into 4 ~ 6 parts, as the pressure of every grade of loading.Every grade of load time, record clock gauge reading unloaded simultaneously, allows test specimen recover distortion when being 1min.During unloading 1min, again record the clock gauge reading, apply simultaneously the next stage load.Carry out step by step loading and unloading, and the reading of record clock gauge, until the afterbody load.
8, the resilience under every grade of load of calculating: L=loads reading-unloading reading, utilizes formula to try to achieve modulus of resilience value:
, wherein,
E-modulus of resilience (KPa);
Unit pressure on the-loading plate (KPa);
D-loading plate diameter (cm);
Claims (1)
1. measurement mechanism that is used for the geotechnological modulus of resilience, it comprises: examination cylinder (1), lift pallet (2), base (3), hand crank (4), circumferential collar (5), clock gauge fixed support (6), clock gauge (7), bearing plate (8), column (9), horizontal lever (10), loading frame (11), regulate counterweight (12) and pressurization ball seat (13), it is characterized in that: be provided with lift pallet (2) in the base (3), lift pallet (2) is connected with hand crank (4), in the pallet of lift pallet (2), be placed with examination cylinder (1), the left end of base (3) is connected with column (9), be provided with horizontal lever (10) on the top of column (9), the left end of horizontal lever (10) is provided with regulates counterweight (12), right-hand member is provided with loading frame (11), directly over lift pallet (2), be provided with the circumferential collar (5) that is connected with column (9), in this circumferential collar (5), be placed with bearing plate (8), the pressurization ball seat (13) that is arranged on the horizontal lever (10) is arranged on directly over the bearing plate (8), also be provided with clock gauge (7) on the column (9), clock gauge (7) is fixed on the column (9) by clock gauge fixed support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296153 CN203259423U (en) | 2013-05-28 | 2013-05-28 | Geotechnical resilience modulus measure apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296153 CN203259423U (en) | 2013-05-28 | 2013-05-28 | Geotechnical resilience modulus measure apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259423U true CN203259423U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320296153 Expired - Fee Related CN203259423U (en) | 2013-05-28 | 2013-05-28 | Geotechnical resilience modulus measure apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203259423U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645649A (en) * | 2017-02-17 | 2017-05-10 | 长沙理工大学 | Test apparatus for measuring volume change of carbon mudstone in disintegration process and test method of test apparatus |
| CN107764394A (en) * | 2017-10-31 | 2018-03-06 | 绍兴文理学院元培学院 | A kind of adjustable total solar radiation measurement support and its operate with method |
| CN109490090A (en) * | 2018-11-19 | 2019-03-19 | 长安大学 | A kind of rubber material elasticity modulus measuring device and measuring method |
| CN110082235A (en) * | 2019-05-05 | 2019-08-02 | 同济大学 | New causeway road Modulus Test Method and system based on hemi-spherical indenter loading plate |
| CN111965060A (en) * | 2020-08-03 | 2020-11-20 | 河海大学 | Press-in type on-site modulus of resilience measuring device |
-
2013
- 2013-05-28 CN CN 201320296153 patent/CN203259423U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645649A (en) * | 2017-02-17 | 2017-05-10 | 长沙理工大学 | Test apparatus for measuring volume change of carbon mudstone in disintegration process and test method of test apparatus |
| CN107764394A (en) * | 2017-10-31 | 2018-03-06 | 绍兴文理学院元培学院 | A kind of adjustable total solar radiation measurement support and its operate with method |
| CN107764394B (en) * | 2017-10-31 | 2023-09-19 | 绍兴文理学院元培学院 | Adjustable bracket for measuring total solar radiation and operation and use method thereof |
| CN109490090A (en) * | 2018-11-19 | 2019-03-19 | 长安大学 | A kind of rubber material elasticity modulus measuring device and measuring method |
| CN110082235A (en) * | 2019-05-05 | 2019-08-02 | 同济大学 | New causeway road Modulus Test Method and system based on hemi-spherical indenter loading plate |
| CN111965060A (en) * | 2020-08-03 | 2020-11-20 | 河海大学 | Press-in type on-site modulus of resilience measuring device |
| CN111965060B (en) * | 2020-08-03 | 2023-06-09 | 河海大学 | Press-in type on-site rebound modulus measuring device |
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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: 20131030 Termination date: 20190528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |