CN205562304U - Inclined plane shear test device - Google Patents
Inclined plane shear test device Download PDFInfo
- Publication number
- CN205562304U CN205562304U CN201620296423.7U CN201620296423U CN205562304U CN 205562304 U CN205562304 U CN 205562304U CN 201620296423 U CN201620296423 U CN 201620296423U CN 205562304 U CN205562304 U CN 205562304U
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- angle hole
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- liner
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Abstract
The utility model discloses an inclined plane shear test device, include: increased pressure board, upper junction plate, bolt, last inner bag, lower connecting plate, base and lower inner bag. The utility model discloses a for the cambered surface contact, avoid stress concentration between inclined plane shear test device's upper and lower inner bag and increased pressure board and the base, the load transmission is effectual, and the test device wearing and tearing are little, cut the variable and position accuracy of experimental shear surface angle to one side, device simple structure, experimental convenient operation, the trapezoidal single groove of increased pressure board and base forms the restraint to upper and lower inner bag, avoids taking place the displacement and the shear surface changing of the relative positions outside the plane, and it is clearly and definitely stable that the stress is cuted in the test block, to under developing disalignment pressure ratio condition, airport asphalt pavement is inside and the shear behavior of substructure between layer upon layer is experimental has an actual meaning.
Description
Technical field
The utility model relates to Aviation Test device technique field, particularly to a kind of inclined-plane shearing test device.
Background technology
The asphalt pavement on airport directly bears the load of aircraft and the effect of natural environment, harsh weather such as high temperature
Under the conditions of, the decay of Yi Fashengyin material property and the early structures such as the wheel load deformation that causes destroy, thus seriously
Have impact on the service life of face structure.Along with coming into operation of a new generation large-scale heavy duty aircraft (NGLA),
In addition the quick growth of domestic flight flow, to asphalt pavement structure and through covering processed composite runway pavement structure
Have higher requirement.Accordingly, it would be desirable to asphalt concrete material shearing under different axial compression ratio effects
Deformation performance carries out analysis of experiments, to evaluate asphalt pavement layer inside and the shear behavior with lower structural layer thereof,
Thus the match ratio and hierarchical design for improving face, road material provides reference frame.
But, the upper lower clamp of existing asphalt pavement structure diagonal scissor test equipment mostly is the design of fixed angle,
Cannot require the direction of shear surface is adjusted according to axial compression ratio;And make the fixed angle test that many groups are independent
Load fixture the most with high costs, be also not easy to adjust in process of the test, the most loaded down with trivial details.
Utility model content
The purpose of this utility model is to provide a kind of inclined-plane shearing test device.
To this end, technical solutions of the utility model are as follows:
A kind of inclined-plane shearing test device, including: increased pressure board, upper junction plate, bolt, upper inner-liner, lower connection
Plate, base and bottom inner container.
Wherein, the upper end of base is provided with recessed circular groove;Bottom inner container is semicircular plate-form structure, on it
Semicircle cambered surface be located in the circular groove on base, be positioned at before and after the in-plane of upper end is provided with one and pass through
Logical rectangular recess;The circular groove of base is the most along the circumferential direction provided with in the semicircle cambered surface of bottom inner container
Equivalently-sized swallow-tail form projection and groove, so that base and bottom inner container realize tight fit.
Increased pressure board is located at the top of upper inner-liner, and upper surface is horizontal plane, and lower end is provided with the circular groove of fovea superior;
The shape of upper inner-liner is identical with bottom inner container, but setting direction is contrary;The circular groove of increased pressure board and upper inner-liner
The most along the circumferential direction be provided with in semicircle cambered surface that equivalently-sized swallow-tail form is protruding and groove so that increased pressure board and
Upper inner-liner realizes tight fit.
The outer ledge position of upper inner-liner and bottom inner container is provided with some angle holes;Respectively along arc on base and increased pressure board
Some initial angle holes that face peripheral edge portion is through before and after being arranged with;Initial angle hole on increased pressure board is interior with upper
Angle hole on courage passes through upper junction plate and the cooperation of bolt, makes increased pressure board and the fixing connection of upper inner-liner;On base
Initial angle hole and the angle hole on bottom inner container by lower connecting plate and coordinating of bolt make base and bottom inner container
Fixing connection.
Upper inner-liner is relative with the rectangular recess on bottom inner container and forms sample aperture.
Preferably, all angle holes on upper inner-liner and bottom inner container are respectively positioned on same circumference, and adjacent angular hole
Be spaced apart 10 °.
Preferably, the some initial angle holes on increased pressure board and base are respectively positioned on same circumference.
Initial angle hole on base is followed successively by the first angle hole, the second angle hole, the third angle in the direction of the clock
Degree hole and fourth angle hole, this some holes is followed successively by with the angle of horizontal plane: the first angle hole is 35 °, second jiao
Degree hole is 40 °, and third angle hole is 75 °, and fourth angle hole is 70 °.
Initial angle hole on increased pressure board be followed successively by the direction of the clock the 5th angle hole, the 6th angle hole, the 7th
Angle hole, eighth angle hole, the 9th angle hole, the tenth angle hole, this some holes is followed successively by with the angle of horizontal plane:
5th angle hole is 37.5 °, and the 6th angle hole is 42.5 °, and the 7th angle hole is 47.5 °, eighth angle hole
Being 77.5 °, the 9th angle hole is 82.5 °, and the tenth angle hole is 87.5 °.
Preferably, upper junction plate is T-shaped connecting plate;Lower connecting plate is strip connecting plate.
Compared with prior art, this inclined-plane shearing test device at least possesses following beneficial effect:
1) above contact for cambered surface between bottom inner container with increased pressure board and base, it is to avoid stress is concentrated, load transmission effect
The best, experimental rig abrasion is little;
2) tiltedly scissor test shear surface variable-angle and position are accurate, device simple structure, and test operation is convenient;
3) increased pressure board and the trapezoidal single groove of base form constraint to upper bottom inner container, it is to avoid plane outer displacement occurs and cuts
The tangent plane changing of the relative positions, it is the most stable that stress is sheared in test block;Under the conditions of carrying out different axial compression ratio, airport pitch
Internal and with lower structural layer interlayer the experiment on Shearing Resistance of surface layer has practical significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of inclined-plane of the present utility model shearing test device.
Fig. 2 is the schematic diagram in the initial angle hole of inclined-plane of the present utility model shearing test device.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the utility model is described further by specific embodiment, but following embodiment is exhausted
Non-have any restriction to the utility model.
As shown in Figure 1-2, this inclined-plane shearing test device includes: increased pressure board 1, upper junction plate 2, bolt 3,
Upper inner-liner 4, lower connecting plate 6, base 8 and bottom inner container 9.
Wherein, the upper end of base 8 is provided with recessed circular groove;Bottom inner container 9 is semicircular plate-form structure,
Semicircle cambered surface thereon is located in the circular groove on base 8, and the in-plane being positioned at upper end is provided with one
The most through rectangular recess;Respectively along circle in the semicircle cambered surface of the circular groove of base 8 and bottom inner container 9
Circumferential direction is provided with equivalently-sized swallow-tail form projection and groove, so that base 8 and bottom inner container 9 realize tight fit;
Increased pressure board 1 is located at the top of upper inner-liner 4, and upper surface is horizontal plane, and the circular arc that lower end is provided with fovea superior is recessed
Groove;The shape of upper inner-liner 4 is identical with bottom inner container 9, but setting direction is contrary;The circular groove of increased pressure board 1
Equivalently-sized swallow-tail form is protruding and groove with being the most along the circumferential direction provided with in the semicircle cambered surface of upper inner-liner 4,
So that increased pressure board 1 and upper inner-liner 4 realize tight fit;
The outer ledge position of upper inner-liner 4 and bottom inner container 9 is provided with some angle holes 5;Base 8 and increased pressure board 1
Upper be arranged with along cambered surface peripheral edge portion respectively before and after the most through some initial angle holes 10;At the beginning of on increased pressure board 1
Beginning angle hole 10 and the angle hole 5 on upper inner-liner 4 are coordinated by upper junction plate 2 and bolt 3, make pressurization
Plate 1 and the fixing connection of upper inner-liner 4;Initial angle hole 10 on base 8 and the angle hole 5 on bottom inner container 9
Base 8 and the fixing connection of bottom inner container 9 is made by the cooperation of lower connecting plate 6 and bolt 3;
Upper inner-liner 4 is relative with the rectangular recess on bottom inner container 9 and forms sample aperture 7.
All angle holes 5 on upper inner-liner 4 and bottom inner container 9 are respectively positioned on same circumference, and adjacent angular hole 5
Be spaced apart 10 °.
Some initial angle holes 10 on increased pressure board 1 and base 8 are respectively positioned on same circumference;
Initial angle hole 10 on base 8 be followed successively by the direction of the clock the first angle hole a, the second angle hole b,
Third angle hole c and fourth angle hole d, this some holes is followed successively by with the angle of horizontal plane: the first angle hole a is
35 °, the second angle hole b is 40 °, and third angle hole c is 75 °, and fourth angle hole d is 70 °;
Initial angle hole 10 on increased pressure board 1 is followed successively by the 5th angle hole a ', hexagonal degree in the direction of the clock
Hole b ', the 7th angle hole c ', eighth angle hole d ', the 9th angle hole e ', the tenth angle hole f ',
This some holes is followed successively by with the angle of horizontal plane: the 5th angle hole a ' is 37.5 °, and the 6th angle hole b ' is
42.5 °, the 7th angle hole c ' is 47.5 °, and eighth angle hole d ' is 77.5 °, and the 9th angle hole e ' is
82.5 °, the tenth angle hole f ' is 87.5 °.
Upper junction plate 2 is T-shaped connecting plate;Lower connecting plate 6 is strip connecting plate.
Increased pressure board 1, upper junction plate 2, bolt 3, upper inner-liner 4, lower connecting plate 6, base 8 and bottom inner container 9
Cast steel material is all used to be fabricated by.
Now the operation principle of inclined-plane of the present utility model shearing test device is described below:
First the coupon meeting regulation shape is placed in sample aperture 7, then according to the requirement of test, work
Make personnel can select the different initial angle holes 10 on increased pressure board 1 and base 8 respectively with upper inner-liner 4 and under
The different angles hole 5 of inner bag 9 utilizes upper junction plate 2 and lower connecting plate 6 to connect, but the end face of increased pressure board 1 begins
Keep level eventually;Then inclined-plane of the present utility model shearing test device entirety is put into tested hydraulic pressure to watch
Take in testing machine, apply the power of vertically downward direction to increased pressure board 1, carry out load test, thus can select
Select the load test of different angles, after coupon failure by shear stop test, then preserve and record data and
Result.
The adjacent angular hole 5 of upper inner-liner 4 of the present utility model and bottom inner container 9 is spaced apart 10 °, therefore can basis
The different choice in initial angle hole carries out the test of two groups of data, specific as follows:
When on the first angle hole a selected on base 8 and third angle hole c strip connecting plate and bottom inner container 9
Angle hole 5 when connecting, increased pressure board 1 correspondingly selects the 5th angle hole a ' and the 6th angle hole b ' T
Shape connecting plate is connected with upper inner-liner 4, and eighth angle hole d ' and the 9th angle hole e ' T-shaped connecting plate
It is connected with upper inner-liner 4;So, according to the selection in different angles hole 5, can carry out on the basis of horizontal plane
The oblique scissor test of many shear surfaces such as 5 °, 15 °, 25 °, 35 ° and 45 °;
When on the second angle hole b selected on base 8 and fourth angle hole d strip connecting plate and bottom inner container 9
Angle hole 5 when connecting, increased pressure board 1 correspondingly selects the 6th angle hole b ' and the 7th angle hole c ' T
Shape connecting plate is connected with upper inner-liner 4, and the 9th angle hole e ' and the tenth angle hole f ' T-shaped connecting plate
It is connected with upper inner-liner 4;So, according to the selection in different angles hole 5, can carry out on the basis of horizontal plane
The oblique scissor test of many shear surfaces such as 0,10 °, 20 °, 30 ° and 40 °.
Claims (4)
1. an inclined-plane shearing test device, it is characterised in that described inclined-plane shearing test device includes: add
Pressing plate (1), upper junction plate (2), bolt (3), upper inner-liner (4), lower connecting plate (6), base
And bottom inner container (9) (8);
Wherein, the upper end of base (8) is provided with recessed circular groove;Bottom inner container (9) is semicircular plate-form
Structure, semicircle cambered surface thereon is located in the circular groove on base (8), is positioned in the plane of upper end
The rectangular recess that portion is through before and after being provided with one;The circular groove of base (8) and the semicircle of bottom inner container (9)
The most along the circumferential direction be provided with in shape cambered surface that equivalently-sized swallow-tail form is protruding and groove so that base (8) and
Bottom inner container (9) realizes tight fit;
Increased pressure board (1) is located at the top of upper inner-liner (4), and upper surface is horizontal plane, and lower end is provided with the circle of fovea superior
Arc groove;The shape of upper inner-liner (4) is identical with bottom inner container (9), but setting direction is contrary;Increased pressure board (1)
Circular groove and upper inner-liner (4) semicircle cambered surface on be the most along the circumferential direction provided with equivalently-sized swallow
Tail shape projection and groove, so that increased pressure board (1) and upper inner-liner (4) realize tight fit;
The outer ledge position of upper inner-liner (4) and bottom inner container (9) is provided with some angle holes (5);Base (8)
It is arranged with the most through some initial angle holes (10) along cambered surface peripheral edge portion respectively with on increased pressure board (1);
Initial angle hole (10) on increased pressure board (1) is connected on passing through with the angle hole (5) on upper inner-liner (4)
Plate (2) and the cooperation of bolt (3), make increased pressure board (1) and the fixing connection of upper inner-liner (4);Base (8)
On initial angle hole (10) and bottom inner container (9) on angle hole (5) by lower connecting plate (6) and spiral shell
The cooperation of bolt (3) makes base (8) and the fixing connection of bottom inner container (9);
Upper inner-liner (4) is relative with the rectangular recess on bottom inner container (9) and forms sample aperture (7).
Inclined-plane the most according to claim 1 shearing test device, it is characterised in that upper inner-liner (4) and
All angle holes (5) on bottom inner container (9) are respectively positioned on same circumference, and between adjacent angular hole (5)
It is divided into 10 °.
Inclined-plane the most according to claim 1 shearing test device, it is characterised in that increased pressure board (1) and
Some initial angle holes (10) on base (8) are respectively positioned on same circumference;
Initial angle hole (10) on base (8) be followed successively by the direction of the clock the first angle hole (a),
The angle of two angle holes (b), third angle hole (c) and fourth angle hole (d), this some holes and horizontal plane
Being followed successively by: the first angle hole (a) is 35 °, the second angle hole (b) is 40 °, third angle hole (c)
Being 75 °, fourth angle hole (d) is 70 °;
Initial angle hole (10) on increased pressure board (1) be followed successively by the direction of the clock the 5th angle hole (a '),
6th angle hole (b '), the 7th angle hole (c '), eighth angle hole (d '), the 9th angle hole (e '),
Tenth angle hole (f '), this some holes is followed successively by with the angle of horizontal plane: the 5th angle hole (a ') it is 37.5 °,
6th angle hole (b ') it is 42.5 °, the 7th angle hole (c ') it is 47.5 °, eighth angle hole (d ')
It is 77.5 °, and the 9th angle hole (e ') it is 82.5 °, the tenth angle hole (f ') it is 87.5 °.
Inclined-plane the most according to claim 1 shearing test device, it is characterised in that upper junction plate (2)
For T-shaped connecting plate;Lower connecting plate (6) is strip connecting plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620296423.7U CN205562304U (en) | 2016-04-08 | 2016-04-08 | Inclined plane shear test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620296423.7U CN205562304U (en) | 2016-04-08 | 2016-04-08 | Inclined plane shear test device |
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CN205562304U true CN205562304U (en) | 2016-09-07 |
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ID=56811783
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CN201620296423.7U Expired - Fee Related CN205562304U (en) | 2016-04-08 | 2016-04-08 | Inclined plane shear test device |
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CN (1) | CN205562304U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108507884A (en) * | 2018-03-20 | 2018-09-07 | 和县祥龙沥青混凝土有限公司 | The detection device of inter-layer shearing strength in a kind of asphalt concrete layer |
CN110702535A (en) * | 2019-10-24 | 2020-01-17 | 同济大学 | Test device suitable for indoor multi-angle oblique shearing of ultrathin wearing layer asphalt mixture |
CN113916689A (en) * | 2021-10-27 | 2022-01-11 | 北京建筑大学 | Method for determining strength of waterproof bonding layer paved on polymer concrete steel bridge deck |
-
2016
- 2016-04-08 CN CN201620296423.7U patent/CN205562304U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108507884A (en) * | 2018-03-20 | 2018-09-07 | 和县祥龙沥青混凝土有限公司 | The detection device of inter-layer shearing strength in a kind of asphalt concrete layer |
CN110702535A (en) * | 2019-10-24 | 2020-01-17 | 同济大学 | Test device suitable for indoor multi-angle oblique shearing of ultrathin wearing layer asphalt mixture |
CN113916689A (en) * | 2021-10-27 | 2022-01-11 | 北京建筑大学 | Method for determining strength of waterproof bonding layer paved on polymer concrete steel bridge deck |
CN113916689B (en) * | 2021-10-27 | 2023-09-19 | 北京建筑大学 | Method for determining strength of waterproof bonding layer paved on polymer concrete steel bridge deck |
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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: 20160907 Termination date: 20170408 |
|
CF01 | Termination of patent right due to non-payment of annual fee |