CN201965805U - Teaching device of soil engineering single-shear test - Google Patents
Teaching device of soil engineering single-shear test Download PDFInfo
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- CN201965805U CN201965805U CN2011200543673U CN201120054367U CN201965805U CN 201965805 U CN201965805 U CN 201965805U CN 2011200543673 U CN2011200543673 U CN 2011200543673U CN 201120054367 U CN201120054367 U CN 201120054367U CN 201965805 U CN201965805 U CN 201965805U
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Abstract
The utility model relates to a teaching device of a soil engineering single-shear test, which mainly comprises a test stand bracket, a test stand, a pulley bracket, a baffle, a test board, a pulley and weights, wherein a plurality of singer-shear stress layers are represented by the multi-layer of test board, and scales are marked on the test board so that the shearing and the moving in the test measurement are facilitated; the long boards of the singer-shear stress layers are connected by a clamp; a steel wire bypasses the pulley which is fixed in the air through a pulley rod; the lower part of the steel wire is connected with a weight support; one group of weights are placed on the uppermost layer of board to exert normal load; and the weights are placed on the weight support step by step to exert horizontal shearing force. The teaching device is simple in construction and easy for manufacture, the time for the conventional soil engineering single-shear test is saved, the soil engineering single-shear test situation can be directly observed, displacement is measured through the scales of the plate, and simultaneously the soil engineering single-shear test at different singer-shear stress layers is observed according to different positions of the plates with holes.
Description
Technical field
The utility model relates to a kind of instructional device of geotechnological instructional device, particularly a kind of geotechnological simple shear test.
Background technology
Geotechnique's simple shear test is a kind of common method of measuring the shearing strength of the soil body, its principle is rubbing action, normally soil sample is taken out in certain position from ground, make several samples, act on the sample with several different pressure at right angles, apply shearing force then, record the relation curve of shearing force and displacement, the ultimate shearing stress of finding out sample from curve is as the shearing strength under should vertically acting on.Geotechnique's simple shear test also often is used to study the shear property of surface of contact between different materials, in order to determine relevant intensity and deformation parameter.In the teaching of soil mechanics, it is necessary allowing the student divide into groups to utilize simple shear apparatus to test after class in batches, but when utilizing conventional simple shear apparatus to carry out geotechnological simple shear test, preparation sample, device sample, installation measurement equipment etc. just consume the plenty of time, the result who draws needs aftertreatment, and is visual in image inadequately.
The utility model content
The purpose of this utility model is to provide a kind of instructional device of geotechnological simple shear test, makes the soil mechanics teaching tool that iconicity and vividness be arranged.
For achieving the above object, design of the present utility model is:
A kind of instructional device of geotechnological simple shear test, mainly constitute by testing table support, testing table, pulley bracket, baffle plate, brassboard, pulley, counterweight, the multilayer brassboard is represented multilayer simple shear stress layer, calibrate on brassboard, be convenient to the experimental measurement shear displacemant, the long slab of simple shear stress layer links with anchor clamps, walk around pulley by steel wire, pulley is fixed in the air by roller arm, the steel wire bottom is connected with the counterweight holder, be placed on top layer plate by one group of counterweight and apply the normal direction load, place counterweight in the counterweight holder step by step and apply horizontal shear.
According to above-mentioned utility model design, the present invention adopts following technical proposals:
A kind of instructional device of geotechnological simple shear test, mainly comprise the testing table support, testing table, brassboard, baffle plate, pulley bracket, pulley, on the table top of described testing table support, the described brassboard of polylith equal thickness is placed on described baffle plate left end, between described polylith brassboard, place front end long slab with holes as the simple shear stress layer, link described long slab front aperture with anchor clamps, a steel wire connects described anchor clamps and walks around described pulley, described pulley string is placed in a roller arm middle part, fix in described pulley both sides with two fixed screws, make this pulley can not move left and right; Described roller arm is inserted in described pulley bracket in the corresponding perforations according to the parallel string in position of long slab with holes; Described pulley bracket is the tripod shape, and this pulley bracket is provided with a plurality of holes, and described steel wire bottom is connected with a counterweight holder, and one group of counterweight is placed on the brassboard the superiors to apply the normal direction load, places counterweight in the counterweight holder step by step and applies horizontal shear.
The instructional device of described a kind of geotechnological simple shear test, described brassboard and long slab with holes all indicate scale, when test is carried out, can show the changing of the relative positions situation of each layer brassboard intuitively, and, measure the alternate displacement of each brassboard by comparing with orlop brassboard scale.
The utility model has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
The utility model simple structure, make easily, save the test period of conventional geotechnological simple shear test, can directly observe geotechnological simple shear test situation, and measure alternate displacement by the scale that indicates of plate, according to the position difference of perforated plate, study the geotechnological simple shear test situation of different simple shear stress layers simultaneously.
Description of drawings
Fig. 1 is the instructional device structural representation of a kind of geotechnological simple shear test of the present utility model
Fig. 2 is the instructional device brassboard scale figure of a kind of geotechnological simple shear test of the present utility model
Fig. 3 is the instructional device counterweight support front elevation of a kind of geotechnological simple shear test of the present utility model
Fig. 4 is the instructional device counterweight bracket side view of a kind of geotechnological simple shear test of the present utility model.
Embodiment
In conjunction with the accompanying drawings, the utility model is described in further detail to be positioned at middle geotechnological simple shear test example by a research staight scissors layer:
Referring to Fig. 1, Fig. 3 and Fig. 4, a kind of instructional device of geotechnological simple shear test, mainly comprise testing table support (1), testing table (2), brassboard (3), baffle plate (5), pulley bracket (7), pulley (8), on the table top of described testing table support (1), the described brassboard (3) of polylith equal thickness is placed on described baffle plate (5) left end, place front end long slab (4) with holes in the middle of the described polylith brassboard (3) as the simple shear stress layer, link described long slab (4) front aperture with anchor clamps (6), a steel wire (13) connects described anchor clamps (6) and walks around described pulley (8), described pulley (8) string is placed in a roller arm (9) middle part, fix in described pulley (8) both sides with two fixed screws (14), make this pulley (8) can not move left and right; Described roller arm (9) is inserted in described pulley bracket (7) in the corresponding perforations (12) according to the parallel string in position of long slab (4) with holes; Described pulley bracket (7) is the tripod shape, this pulley bracket (7) is provided with a plurality of holes (12), described steel wire (13) bottom is connected with a counterweight holder (10), one group of counterweight (11) is placed on brassboard (3) the superiors to apply the normal direction load, places counterweight (11) in the counterweight holder (10) step by step and apply horizontal shear.
Referring to Fig. 2, described brassboard (3) and long slab (4) with holes all indicate scale, when test is carried out, can show the changing of the relative positions situation of each layer brassboard (3) intuitively, and, measure the alternate displacement of each brassboard (3) by comparing with orlop brassboard (3) scale.
Claims (2)
1. the instructional device of a geotechnological simple shear test, mainly comprise testing table support (1), testing table (2), brassboard (3), baffle plate (5), pulley bracket (7), pulley (8), it is characterized in that, on the table top of described testing table support (1), the described brassboard (3) of polylith equal thickness is placed on described baffle plate (5) left end, between described polylith brassboard (3), place front end long slab (4) with holes as the simple shear stress layer, link described long slab (4) front aperture with anchor clamps (6), a steel wire (13) connects described anchor clamps (6) and walks around described pulley (8), described pulley (8) string is placed in a roller arm (9) middle part, fix in described pulley (8) both sides with two fixed screws (14), make this pulley (8) can not move left and right; Described roller arm (9) is inserted in described pulley bracket (7) in the corresponding perforations (12) according to the parallel string in position of long slab (4) with holes; Described pulley bracket (7) is the tripod shape, this pulley bracket (7) is provided with a plurality of holes (12), described steel wire (13) bottom is connected with a counterweight holder (10), one group of counterweight (11) is placed on brassboard (3) the superiors to apply the normal direction load, places counterweight (11) in the counterweight holder (10) step by step and apply horizontal shear.
2. the instructional device of a kind of geotechnological simple shear test according to claim 1, it is characterized in that described brassboard (3) and long slab (4) with holes all indicate scale, when test is carried out, the changing of the relative positions situation that can show each layer brassboard (3) intuitively, and, measure the alternate displacement of each brassboard (3) by comparing with orlop brassboard (3) scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200543673U CN201965805U (en) | 2011-03-04 | 2011-03-04 | Teaching device of soil engineering single-shear test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200543673U CN201965805U (en) | 2011-03-04 | 2011-03-04 | Teaching device of soil engineering single-shear test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201965805U true CN201965805U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200543673U Expired - Fee Related CN201965805U (en) | 2011-03-04 | 2011-03-04 | Teaching device of soil engineering single-shear test |
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| Country | Link |
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| CN (1) | CN201965805U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654818A (en) * | 2016-04-06 | 2016-06-08 | 袁静 | Simple physical experiment frame |
| CN106448419A (en) * | 2016-12-15 | 2017-02-22 | 盐城工学院 | Demonstration device for pull-out tests of geotechnical synthetic material |
| CN110186779A (en) * | 2019-06-28 | 2019-08-30 | 河北工业大学 | A kind of beded rock mass cantilever bending fracture creep test device and test method |
| CN112362579A (en) * | 2020-11-13 | 2021-02-12 | 上海电力大学 | Testing device for metal surface adhesion force in presence of surface electroosmosis |
-
2011
- 2011-03-04 CN CN2011200543673U patent/CN201965805U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654818A (en) * | 2016-04-06 | 2016-06-08 | 袁静 | Simple physical experiment frame |
| CN106448419A (en) * | 2016-12-15 | 2017-02-22 | 盐城工学院 | Demonstration device for pull-out tests of geotechnical synthetic material |
| CN110186779A (en) * | 2019-06-28 | 2019-08-30 | 河北工业大学 | A kind of beded rock mass cantilever bending fracture creep test device and test method |
| CN112362579A (en) * | 2020-11-13 | 2021-02-12 | 上海电力大学 | Testing device for metal surface adhesion force in presence of surface electroosmosis |
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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: 20110907 Termination date: 20140304 |