CN202631373U - Rock structure surface shear test device - Google Patents
Rock structure surface shear test device Download PDFInfo
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- CN202631373U CN202631373U CN 201220314385 CN201220314385U CN202631373U CN 202631373 U CN202631373 U CN 202631373U CN 201220314385 CN201220314385 CN 201220314385 CN 201220314385 U CN201220314385 U CN 201220314385U CN 202631373 U CN202631373 U CN 202631373U
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- body plate
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Abstract
The utility model discloses a rock structure surface shear test device, which mainly and structurally consists of an upper open shear box and a lower open shear box which are matched with the upper part and the lower part of a rock sample test block, wherein each shear box is filled with filler for fixing the rock sample test block in the shear box, and the mouth surfaces of the upper open shear box and the lower open shear box keep a distance which can enable the shear test structure surface of the rock sample test block to expose between the mouth surfaces of the upper open shear box and the lower open shear box. In the test process, a pair of shearing forces which are opposite in direction are applied to the upper shear box and the lower shear box, act on the rock sample test block through the filler in the shear boxes and further act on the structure surface of the rock sample test block, and therefore the shearing strength parameter of the structure surface of the rock sample test block is obtained. According to the rock structure surface shear test device, the rock structure surface can be subjected to shear test, the structure surface of the test block can be effectively prevented from being damaged when the rock sample test block is moved, and meanwhile, the influence of cement on the test result in the prior art is completely eliminated, therefore the actual shearing strength parameter of the rock structure surface can be obtained.
Description
Technical field
The utility model relates to material properties of rock experimental test technical field, particularly relates to the rock structural face shearing test device.
Background technology
Rock is important environmental geology and the very important construction material that relates in the engineering construction, in order to guarantee construction quality and engineering safety, in engineering construction, must understand the various intensity, particularly shear strength of rock.Rock structural face is the plane of weakness that shear of rock is cut; Shear strength is very low usually, and disturbance is arranged slightly, then is prone to cause along this structural plane and destroys; So behind the on-site sampling; Can't the rock that include structural plane be processed into the regular test specimen that can carry out direct shear, adopt cement to build regular test specimen to the rock that comprises structural plane in the practice usually, and then carry out shear test along the structural plane direction.But, in the handling process before test specimen is built in the process or built the back shearing, be prone to cause structural plane to destroy, thereby cause test failure because structural plane self intensity is low.In addition, build the test specimen of rule to the rock that comprises structural plane, because cement has very big influence to the detrusion and the shearing strength of measurement structure face with cement; Measurement result must be rejected the influence of cement; And the influence of cement is difficult to measure accurately, makes that therefore the experimental measurement process of rock structural face is complicated, and measurement result accuracy is poor; Reliability is low, can't obtain the true shear strength parameter of rock structural face.This problem perplexs the shear test of rock structural face for a long time.
The utility model content
To the state of the art of rock structural face shear test, the purpose of the utility model aims to provide a kind of rock structural face shearing test device, in the hope of obtaining the true shear strength parameter of rock structural face.
The above-mentioned purpose of the utility model can realize through the rock structural face shearing test device of following technical proposals.
The rock structural face shearing test device that the utility model provides; Its structure mainly by with the rock sample test block up and down the two opening shear boxs up and down that are complementary of two parts form; Fill in the shear box rock sample test block is fixed on the filling material in the shear box, the actinal surface of two opening shear boxs maintains and can make rock sample test block shear test structural plane be exposed to the distance between the two shear box actinal surfaces up and down up and down.
In above-mentioned rock structural face shearing test device, two opening shear boxs can be one-piece construction up and down, also can be fabricated structure, and fabricated structure can be designed to the semi-open type unitized construction again, or full fabricated structure.For the two opening shear boxs up and down of fabricated structure, the box body surface that is used to apply shearing force one side is preferably whole box body surface, bears shear-type load to avoid the connector between the box body plate.The two opening shear boxs up and down of semi-open type unitized construction promptly are through bolt assembling all-in-one-piece shear box by 2 to 4 part box body plates.
Consider that box body is convenient in demoulding, the full fabricated structure of the preferential selection of two opening shear boxs is promptly dressed up one by 5 blocks of box body plates through the flush bolt fixation group up and down, wherein applies other direction box body plate end faces of box body plate face crimping of shearing force one side.The further scheme of two opening shear boxs up and down of full fabricated structure; 5 box body plate assembled relation are: other direction box body plate end faces of box body plate face crimping that apply shearing force one side; The last top box body plate face of last shear box and the box body plate face of going to the bottom of down cut box be the box body plate end face of other three directions of crimping respectively; The box body plate end face of relative other both directions of square box plate face crimping with applying shearing force one square box plate face, promptly about two box body plate end face.
Above-mentioned rock structural face shearing test device; For the ease of injecting concrete; Can consider that applying on the box body plate design in two relative non-shearing forces of under shed shear box mixes the earth sprue gate, mix the earth sprue gate, directly inject mixed earth from the opening of shear box but also can not design; For the ease of moving test unit, can consider that applying on the box body plate design in two relative non-shearing forces of upper shed shear box moves handle, move handle but also can not design, direct box body dominated by hand is moved.For the ease of through cushion block is set between the actinal surface of two opening shear boxs up and down the control actinal surface distance of two opening shear boxs up and down; Rock sample test block shear test structural plane is exposed to up and down between the two shear box actinal surfaces, is preferably on the box wall design dismantled and assembled assembling all-in-one-piece of two opening shear boxs coupling arrangement up and down.Said coupling arrangement can be by the attachment bolt formation that is fixed on the connection ear on the corresponding box body outer wall of two opening shear boxs up and down and is complementary with connection holes on connecting ear.
The utility model has also been taked some other technical measures.
Adopt the utility model following to the process that rock structural face carries out shear test:
1, earlier the upper shed shear box is inserted in rock sample test block upper part and inject concrete; Treat to hold behind the concrete curing and upwards hold up; Again the end portion of rock sample test block is inserted the under shed shear box; And between the actinal surface of two opening shear boxs up and down, place the cushion block 13 of design height; In the connection ear connection holes on the two opening shear box left and right sides box body plate outside wall surface about the attachment bolt insertion; The connection of two opening shear boxs is assembled into one up and down, between the two shear box actinal surfaces, injects concrete by the concrete casting geat on the box body plate outside wall surface of the under shed shear box left and right sides then and fixes about rock sample test block shear test structural plane is exposed to;
2, after the rock sample test block is solidified in the upper and lower opening shear box, be placed on the shear test platform, take upper and lower opening shear box coupling arrangement apart, take out cushion block;
3, to upper and lower opening shear box body implement the consistent direction of a pair of active line relative add compressive load; Under the situation that adds the compressive load existence; Implement a pair of shear-type load in the opposite direction to shearing box body up and down; Concrete filling material through in the shear box acts in the rock sample test block, and then acts on the rock sample test block structural plane, thereby obtains the shear strength parameter of rock sample test block structural plane.
The rock structural face shearing test device of the utility model is also applicable to the shear strength test of construction wall structural plane.
Adopt the utility model that rock structural face is carried out shear test; Realized prior art is built into regular test specimen to the rock that comprises structural plane through adopting cement; And then carry out the method for shear test along the structural plane direction; Change into and adopt mixed earth that the rock sample test block is fixed in the upper and lower opening shear box; Through the upper and lower opening shear box rock sample test block structural plane is carried out the method for shear test, started a kind of new rock structural face shear test method of testing, filled up this blank of existing rock structural face shear test.Adopt the utility model that rock structural face is carried out shear test; The characteristics that it is outstanding, not only considered how to solve the weak structural plane of rock build with cement make in the regular test specimen process with handling process in not impaired problem, also solved in shear history; Because the strength of cement problem is to the detrusion of test structure face and the influence of shearing strength; Make measurement more convenient, measurement result is more reliable, can test out the true shear strength parameter of rock structural face exactly.The completion of the utility model has promoted rock structural face shear test development of technology and development greatly with open.
Description of drawings
Accompanying drawing 1 is the main TV structure synoptic diagram of full combined type shear box test device;
Accompanying drawing 2 is backsight structural representations of full combined type shear box test device;
Accompanying drawing 3 is plan structure synoptic diagram of full combined type shear box test device;
Accompanying drawing 4 is the structural representations of looking up of full combined type shear box test device;
Accompanying drawing 5 be among Fig. 1 I-I to the sectional structure synoptic diagram;
Accompanying drawing 6 be among Fig. 3 II-II to the sectional structure synoptic diagram;
Accompanying drawing 7 is main TV structure synoptic diagram of monoblock type shear box test device;
Accompanying drawing 8 is plan structure synoptic diagram of monoblock type shear box test device;
Accompanying drawing 9 be among Fig. 7 III-III to the sectional structure synoptic diagram;
Accompanying drawing 10 be among Fig. 8 IV-IV to the sectional structure synoptic diagram
Accompanying drawing 11 is main TV structure synoptic diagram of semi-open type shear box test device;
Accompanying drawing 13 be among Figure 11 V-V to the sectional structure synoptic diagram;
Accompanying drawing 14 be among Figure 12 VI-VI to the sectional structure synoptic diagram.
In above-mentioned accompanying drawing, the object of each shown by reference numeral sign is respectively: top box body plate on the last shear box of 1-; The last shear box of 2-left side box body plate; The last shear box of 3-right side box body plate; The 4-down cut box box body plate of going to the bottom; 5-down cut box left side box body plate; 6-down cut box right side box body plate; 7-mixes the earth sprue gate; The test block of 8-rock sample; 9-down cut box front side box body plate; The last shear box of 10-front side box body plate; 11-down cut box rear side box body plate; The last shear box rear side of 12-box body plate; The 13-cushion block; The 14-sand-cement slurry; Shear box on the 15-monoblock type; 16-monoblock type down cut box; Shear box on the 17-semi-open type; 18-semi-open type down cut box.
Embodiment
Through embodiment the utility model is carried out concrete description below; But be necessary to be pointed out that at this; Embodiment only is used for the utility model is further explained, can not be interpreted as the restriction to the utility model protection domain, and the technician in this field makes some nonessential improvement according to the content of above-mentioned the utility model and practical implementation is carried out in adjustment; Be need not pay performing creative labour, should still belong to the protection domain of the utility model.
The rock structural face shearing test device of present embodiment; Its structure is shown in accompanying drawing 1 to accompanying drawing 6; By forming with the rock sample test block two opening shear boxs up and down that two parts are complementary about in the of 8; Said two opening shear boxs up and down are full fabricated structure, dress up one by 5 blocks of box body plates through the flush bolt fixation group, apply other direction box body plate end faces of box body plate face crimping of shearing force one side.The box body plate face that last shear box applies shearing force is a rear side box body plate 12, and the box body plate face that the down cut box applies shearing force is a front side box body plate 9.The box body plate end face of last top box body plate 1 other three directions of plate face crimping of last shear box; The box body plate end face of box body plate 4 other three directions of plate face crimping of going to the bottom of down cut box; Last shear box front side box body plate 10; A promptly relative square box plate face with the rear side box body plate face that applies shearing force, the box body plate end face of other both directions of crimping, the i.e. end face of crimping left side box body plate 2 and right side box body plate 3.Down cut box rear side box body plate 9, a promptly relative square box plate face, the box body plate end face of other both directions of crimping, i.e. crimping left side box body plate 5 and right side box body plate 6 end faces with the front side box body plate face that applies shearing force.Design mixes earth sprue gate 7 under shed shear box left and right sides box body plate 5,6, and handle 4 is moved in design on upper shed shear box left and right sides box body plate 2,3.The shear box design dismantled and assembled assembling all-in-one-piece of two opening shear boxs coupling arrangement up and down up and down constitutes by the connection ear that is provided with on the two opening shear box left and right sides box body plate outside wall surface up and down with attachment bolt that connection holes on connecting ear is complementary.When device uses; Through at the cushion block 13 of placing up and down design thickness between the two opening shear box actinal surfaces; Making up and down, the actinal surface of two opening shear boxs keeps preset distance; To guarantee to make rock sample test block shear test structural plane to be exposed to up and down between the two shear box actinal surfaces, two opening shear box actinal surfaces relatively are assembled into one through coupling arrangement up and down.Through fill concrete in shear box the rock sample test block is fixed in the shear box.
Claims (10)
1. rock structural face shearing test device; It is characterized in that mainly by with the rock sample test block up and down the two opening shear boxs up and down that are complementary of two parts form; Fill in the shear box rock sample test block is fixed on the filling material in the shear box, the actinal surface of two opening shear boxs maintains and can make rock sample test block shear test structural plane be exposed to the distance between the two shear box actinal surfaces up and down up and down.
2. rock structural face shearing test device according to claim 1, said up and down two opening shear boxs are dismantled and assembled unitized construction, form one by two parts box body through coupling assembly at least, and the box body surface that applies shearing force one side is whole box body surface.
3. rock structural face shearing test device according to claim 2; The two opening shear boxs up and down that it is characterized in that said dismantled and assembled unitized construction; Dress up one by 5 blocks of box body plates through the flush bolt fixation group, wherein apply other direction box body plate end faces of box body plate face crimping of shearing force one side.
4. rock structural face shearing test device according to claim 3; It is characterized in that assembling the two opening shear boxs up and down that constitute by 5 blocks of box body plates; Apply other direction box body plate end faces of box body plate face crimping of shearing force one side; Last top box body plate face and the box body plate face box body plate end face of other three directions of crimping respectively of going to the bottom, the box body plate end face of relative other both directions of square box plate face crimping with applying shearing force one square box plate face.
5. according to the described rock structural face shearing test device of one of claim 1 to 4, it is characterized in that also being designed with the dismantled and assembled coupling arrangement that fits together of two opening shear boxs up and down.
6. rock structural face shearing test device according to claim 5 is characterized in that said coupling arrangement is by the attachment bolt formation that is fixed on the connection ear on the corresponding box body outer wall of two opening shear boxs up and down and is complementary with connection holes on connecting ear.
7. according to the described rock structural face shearing test device of one of claim 1 to 4, it is characterized in that being designed with on the box body plate of under shed shear box and mix the earth sprue gate.
8. rock structural face shearing test device according to claim 7 is characterized in that being designed with two mixed earth sprue gates on the box body plate of under shed shear box, lays respectively at two relative non-shearing forces and applies on the box body plate.
9. according to the described rock structural face shearing test device of one of claim 1 to 4, it is characterized in that being designed with on the box body plate outside wall surface of one of upper shed shear box and under shed shear box and move handle.
10. rock structural face shearing test device according to claim 9 is characterized in that being designed with two and moves handle, lays respectively at two relative non-shearing forces and applies on the outside wall surface of box body plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314385 CN202631373U (en) | 2012-07-02 | 2012-07-02 | Rock structure surface shear test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314385 CN202631373U (en) | 2012-07-02 | 2012-07-02 | Rock structure surface shear test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631373U true CN202631373U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220314385 Expired - Fee Related CN202631373U (en) | 2012-07-02 | 2012-07-02 | Rock structure surface shear test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202631373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735555A (en) * | 2012-07-02 | 2012-10-17 | 四川大学 | Rock structural surface shear test method and implementation apparatus thereof |
| CN104964873A (en) * | 2015-06-30 | 2015-10-07 | 广东工业大学 | Clamp and method for detecting mechanical property of rolled composite material thermal simulation test sample |
| CN106556541A (en) * | 2016-09-28 | 2017-04-05 | 同济大学 | A kind of test method for studying shearing overall process Rock Joint Plane Morphology Evolution |
-
2012
- 2012-07-02 CN CN 201220314385 patent/CN202631373U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735555A (en) * | 2012-07-02 | 2012-10-17 | 四川大学 | Rock structural surface shear test method and implementation apparatus thereof |
| CN102735555B (en) * | 2012-07-02 | 2016-02-10 | 四川大学 | Rock structural surface shear test method and device for carrying out said thereof |
| CN104964873A (en) * | 2015-06-30 | 2015-10-07 | 广东工业大学 | Clamp and method for detecting mechanical property of rolled composite material thermal simulation test sample |
| CN106556541A (en) * | 2016-09-28 | 2017-04-05 | 同济大学 | A kind of test method for studying shearing overall process Rock Joint Plane Morphology Evolution |
| CN106556541B (en) * | 2016-09-28 | 2019-01-25 | 同济大学 | It is a kind of for study shearing overall process Rock Joint Plane Morphology Evolution test method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20160702 |