CN217111710U - Rock sample for testing shear strength of rock - Google Patents
Rock sample for testing shear strength of rock Download PDFInfo
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- CN217111710U CN217111710U CN202220793928.XU CN202220793928U CN217111710U CN 217111710 U CN217111710 U CN 217111710U CN 202220793928 U CN202220793928 U CN 202220793928U CN 217111710 U CN217111710 U CN 217111710U
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- post
- inclined plane
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- 239000011435 rock Substances 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 230000006978 adaptation Effects 0.000 claims description 8
- 238000010008 shearing Methods 0.000 abstract description 14
- 238000002474 experimental method Methods 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000004350 Strabismus Diseases 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a rock sample technical field, especially a rock sample for rock shear strength test, including the sample post, the equal fixedly connected with brace table in top and the bottom of sample post, a plurality of inclined plane grooves have all been seted up to the both sides of sample post, the arc wall has all been seted up at the middle part of sample post both sides. The utility model has the advantages that: through the top and the bottom at the sample post set up the brace table increase with the area of contact on ground, improve the stability that the rock sample was placed, set up the outside of sample post and brace table into circular-arc can avoid the edges and corners to cause the injury to the operator in transportation and experimentation, make the operator can be restricted by the inclined plane groove when applying normal stress through the inclined plane groove that sets up the difference of inclination in the both sides of sample post, the easy skew condition that influences the atress of sample post when avoiding cuting, can make the shearing force of applying be certain contained angle as the reference experiment with the side of sample post through the inclined plane groove, increase the experimental data.
Description
Technical Field
The utility model relates to a rock sample technical field, especially a rock sample for rock shear strength test.
Background
Shear strength of a rock refers to the ability of the rock to resist shear failure. In actual engineering, rocks are usually in a complex stress state, and the engineering rock is often not simply crushed and pulled to break, but the macroscopic shearing failure often occurs. Therefore, the research on the shear strength of the rock and the test method thereof have important theoretical value and engineering application value.
The existing rock test sample for rock shear strength test has the following defects: the stress surfaces of the existing rock samples for testing the rock shear strength are perpendicular to the axis, and the angle of normal stress cannot be adjusted for carrying out a contrast experiment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a rock sample for rock shear strength test, effectively solved prior art's not enough.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a rock sample for rock shear strength test, includes the sample post, the equal fixedly connected with brace table in top and the bottom of sample post, a plurality of inclined plane grooves have all been seted up to the both sides of sample post, the arc wall has all been seted up at the middle part of sample post both sides.
Optionally, the brace table is four corners prismoid form, the brace table is kept away from sample post one end width and is greater than the width that is close to sample post one end, the fillet has all been seted up in the four corners of sample post and brace table, through set up the contact area that the brace table increases with ground in the top and the bottom of sample post, improves the stability that the rock sample was placed, sets up the outside of sample post and brace table into circular-arc and can avoid the edges and corners to cause the injury to the operator in transportation and experimentation.
Optionally, the contained angle of inclined plane groove one side and sample post increases gradually from top to bottom, the contained angle of inclined plane inslot is the right angle, the width in inclined plane groove and the width looks adaptation of sample post set up the inclined plane groove that inclination is different through the both sides at the sample post and make the operator can be restricted by the inclined plane groove when applying normal stress, and the sample post squints the condition that influences the atress easily when avoiding cuting, and can make the side of applied shearing force and sample post be certain contained angle as the experiment of referring to through the inclined plane groove, increases experimental data, also can apply vertically normal stress through the plane of the other both sides of sample post.
Optionally, the width of arc wall equals with the width of sample post, the cambered surface of arc wall is semicircle form, makes some tip that it can the adaptation be circular-arc shearing jig through set up the arc wall in the middle part of sample post.
Optionally, the top the conveyer groove has all been seted up to the both sides of support column, the width of conveyer groove and adult's palm width looks adaptation, the fillet has been seted up to the opening part of semicircle groove, makes the operator can point the knot to move the sample post in the conveyer groove through setting up the conveyer groove in the both sides of brace table, avoids the smooth nothing of sample post surface to put forth effort the condition.
Optionally, the bottom the constant head tank has been seted up to the bottom of brace table, the diameter of constant head tank bottom upwards reduces gradually, the top of constant head tank is cylindricly, and when using the sample post, the spud pile of processing department is aimed at the constant head tank and limits the degree of freedom of sample post, perhaps in the transportation, sets up the locating piece in the bottom of constant head tank and improves the stability of sample post, avoids the sample post to receive the exogenic action to remove the condition that causes the damage or influence the experimental result in use and transportation.
The utility model has the advantages of it is following:
1. the rock sample for testing the shear strength of the rock increases the contact area with the ground by arranging the supporting tables at the top and the bottom of the sample column, improves the placing stability of the rock sample, sets the outer sides of the sample column and the supporting tables to be arc-shaped, can avoid edges and corners from hurting operators in the transportation and experiment processes, by arranging the inclined plane grooves with different inclination angles at the two sides of the sample column, an operator can be limited by the inclined plane grooves when applying normal stress, the condition that the sample column is easy to deviate and influence stress during shearing is avoided, the exerted shearing force and the side surface of the sample column form a certain included angle through the inclined plane groove to be used as a reference experiment, the experimental data is increased, the vertical normal stress can be exerted through the planes on the other two sides of the sample column, the arc-shaped groove is arranged in the middle of the sample column, so that the sample column can be matched with a shearing clamp with arc-shaped end parts.
2. This a rock sample for rock shear strength test, it can indicate to detain and move the sample post in the conveyer trough to set up the conveyer trough through the both sides at a supporting bench, avoid the smooth nothing in sample post surface to put forth the strength of the condition, when using the sample post, the spud of processing department is aimed at the constant head tank and the degree of freedom of sample post is restricted, perhaps in the transportation, set up the stability that the locating piece improves the sample post in the bottom of constant head tank, avoid the sample post to receive exogenic action to remove and cause the damage or influence the condition of experimental result in use and transportation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
FIG. 4 is a schematic view of the front cross-section structure of the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.
In the figure: 1-sample column, 2-support table, 3-inclined plane groove, 4-arc groove, 5-carrying groove and 6-positioning groove.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in figures 1 to 5, a rock sample for rock shear strength test, it includes sample post 1, and the equal fixedly connected with brace table 2 in top and the bottom of sample post 1, a plurality of inclined plane grooves 3 have all been seted up to the both sides of sample post 1, and arc wall 4 has all been seted up at the middle part of 1 both sides of sample post.
As an optional technical solution of the utility model: supporting bench 2 is four corners prismoid form, and supporting bench 2 keeps away from 1 one end width of sample post and is greater than the width that is close to 1 one end of sample post, and the fillet has all been seted up in the four corners of sample post 1 and supporting bench 2, through set up supporting bench 2 increase and the area of contact on ground in the top and the bottom at sample post 1, improves the stability that the rock sample was placed, sets up the outside of sample post 1 and supporting bench 2 into circular-arc and can avoid the edges and corners to cause the injury to the operator in transportation and experimentation.
As an optional technical solution of the utility model: 3 one side of inclined plane groove and sample post 1's contained angle from the top down increase gradually, the contained angle in the inclined plane groove 3 is the right angle, the width of inclined plane groove 3 and sample post 1's width looks adaptation, it makes the operator can be restricted by inclined plane groove 3 when applying normal stress to set up the different inclined plane groove 3 of inclination through the both sides at sample post 1, sample post 1 squints the condition that influences the atress easily when avoiding cuting, and can make applied shearing force and sample post 1's side be certain contained angle as the reference experiment through inclined plane groove 3, increase the experimental data, also can apply vertically normal stress through the plane of 1 other both sides of sample post.
As an optional technical solution of the utility model: the width of arc wall 4 equals with the width of sample post 1, and the cambered surface of arc wall 4 is half circular, makes some tip that it can the adaptation be circular-arc shearing jig through set up arc wall 4 in the middle part of sample post 1.
As an optional technical solution of the utility model: transport groove 5 has all been seted up to the both sides of top support column 2, and transport groove 5's width and adult's palm width looks adaptation, and the fillet has been seted up to the opening part of half slot 5, sets up transport groove 5 through the both sides at brace table 2 and makes the operator can point the knot move the sample post in transport groove 5, avoids the smooth nothing in sample post surface to put forth the circumstances of doing all can.
As an optional technical solution of the utility model: constant head tank 6 has been seted up to the bottom of bottom supporting bench 2, the diameter of constant head tank 6 bottom upwards reduces gradually, the top of constant head tank 6 is cylindricly, when using the sample post, the spud pile that aligns processing department with constant head tank 6 limits the degree of freedom of sample post 1, perhaps in the transportation, set up the locating piece in the bottom of constant head tank 6 and improve the stability of sample post 1, avoid sample post 1 to receive exogenic action to remove the condition that causes damage or influence the experimental result in use and transportation.
The first embodiment is as follows: the sample column 1 is replaced by a cylindrical column, and the inclined plane grooves 3 are still arranged on two sides of the cylindrical column, so that the stress of the sample column is more uniform;
example two: the inclined planes of the opposite inclined plane grooves 3 on the two sides are set to be in a parallel state, so that the normal stresses of the inclined plane grooves 3 on the two sides are mutually parallel.
The working process of the utility model is as follows:
s1, buckling the carrying groove 5 to move the sample column and place the sample column at a test point;
and S2, adjusting the direction of the applied shearing force to detect the applied shearing force to the corresponding inclined plane groove 3.
In summary, the following steps: the rock sample for testing the rock shear strength increases the contact area with the ground by arranging the support tables 2 at the top and the bottom of the sample column 1, improves the placing stability of the rock sample, sets the outer sides of the sample column 1 and the support tables 2 to be arc-shaped, can avoid edges and corners from damaging operators in the transportation and experiment processes, by arranging the inclined plane grooves 3 with different inclination angles at the two sides of the sample column 1, an operator can be limited by the inclined plane grooves 3 when applying normal stress, the condition that the sample column 1 is easy to deviate and influence the stress during shearing is avoided, and the applied shearing force and the side surface of the sample column 1 can form a certain included angle through the inclined plane groove 3 to be used as a reference experiment, the experimental data is increased, the vertical normal stress can be applied through the planes on the other two sides of the sample column 1, the middle part of the sample column 1 is provided with the arc-shaped groove 4, so that the sample column can be adapted to some shearing clamps with arc-shaped end parts; set up the transport groove 5 through the both sides at a supporting bench 2 and make the operator can point the knot and move the sample post in transport groove 5, avoid the smooth nothing in sample post surface to put forth the strength of force the condition, when using the sample post, the guide pile that aligns processing department with constant head tank 6 limits the degree of freedom of sample post 1, perhaps in the transportation, set up the locating piece in the bottom of constant head tank 6 and improve the stability of sample post 1, avoid sample post 1 to receive exogenic action to remove the condition that causes damage or influence the experimental result in use and transportation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rock specimen for rock shear strength testing characterized in that: including sample post (1), the equal fixedly connected with brace table (2) in top and bottom of sample post (1), a plurality of inclined plane grooves (3) have all been seted up to the both sides of sample post (1), arc wall (4) have all been seted up at the middle part of sample post (1) both sides.
2. A rock sample for rock shear strength testing according to claim 1, wherein: brace table (2) are four corners prismoid form, brace table (2) are kept away from sample post (1) one end width and are greater than the width that is close to sample post (1) one end, the fillet has all been seted up in the four corners of sample post (1) and brace table (2).
3. A rock sample for rock shear strength testing according to claim 1, wherein: the included angle of inclined plane groove (3) one side and sample post (1) increases gradually from top to bottom, the included angle in inclined plane groove (3) is the right angle, the width of inclined plane groove (3) and the width looks adaptation of sample post (1).
4. A rock sample for rock shear strength testing according to claim 1, wherein: the width of the arc-shaped groove (4) is equal to that of the sample column (1), and the arc surface of the arc-shaped groove (4) is semicircular.
5. A rock sample for rock shear strength testing according to claim 1, wherein: the top conveyer trough (5) have all been seted up to the both sides of brace table (2), the width of conveyer trough (5) and adult's palm width looks adaptation, the fillet has been seted up to the opening part of conveyer trough (5).
6. A rock sample for rock shear strength testing according to claim 1, wherein: the bottom of brace table (2) has seted up constant head tank (6), the diameter of constant head tank (6) bottom upwards reduces gradually, the top of constant head tank (6) is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220793928.XU CN217111710U (en) | 2022-04-07 | 2022-04-07 | Rock sample for testing shear strength of rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220793928.XU CN217111710U (en) | 2022-04-07 | 2022-04-07 | Rock sample for testing shear strength of rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217111710U true CN217111710U (en) | 2022-08-02 |
Family
ID=82580912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220793928.XU Expired - Fee Related CN217111710U (en) | 2022-04-07 | 2022-04-07 | Rock sample for testing shear strength of rock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217111710U (en) |
-
2022
- 2022-04-07 CN CN202220793928.XU patent/CN217111710U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220802 |