CN109507024A - A kind of structural plane production and staight scissors test method containing weak intercalated layer - Google Patents
A kind of structural plane production and staight scissors test method containing weak intercalated layer Download PDFInfo
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- CN109507024A CN109507024A CN201811201001.7A CN201811201001A CN109507024A CN 109507024 A CN109507024 A CN 109507024A CN 201811201001 A CN201811201001 A CN 201811201001A CN 109507024 A CN109507024 A CN 109507024A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0298—Manufacturing or preparing specimens
Abstract
A kind of structural plane production and staight scissors test method containing weak intercalated layer, includes the following steps: that (1) selects structural plane panel form；(2) bottom L-type plate is placed；(3) front L-type plate and rear portion L-type plate are installed；(4) front convex plate and rear portion convex plate are installed；(5) convex plate in bottom is installed；(6) left side plate is installed；(7) two block structure faceplate panels of installation left and right；(8) coating release agent；(9) sample material is poured；(10) sample vibration compacting and floating processing；(11) dismounting structure faceplate panels；(12) weak intercalated layer material is poured, (13) weak intercalated layer vibration compacting and floating processing；(14) it conserves；(15) installation top L-type plate；(16) installation top convex plate；(17) normal direction load test.The present invention not only can solve the production problem of weak intercalated layer, moreover it is possible to it is inconsistent to solve the problems, such as that the production mold of weak intercalated layer structural plane and direct shear test test used shear box.
Description
Technical field
It is especially a kind of containing weak folder the present invention relates to the structural plane of direct shear test production mold and the technical field of test
The structural plane production of layer and staight scissors test method.
Background technique
Structural plane has the influence of controlling, the especially weak structure containing weak intercalated layer to rock stability in engineering
Face.Weak structural face is that have certain thickness weak band in rock mass, have with the rock mass of adjacent two sides compared with high compression, it is low by force
The features such as degree, usually control the deformation and stability of rock mass.In actual engineering project, often caused by weak intercalated layer
Presence lead to Frequent Accidents, cause serious life and property loss, therefore, pass through direct shear test obtain knot containing weak intercalated layer
Structure face Research on Mechanical Properties is just particularly important.
Obtaining the rock mass discontinuity sample containing weak intercalated layer usually has two kinds of means of field condition sampling and indoor production.It is wild
Outer scene exists following insufficient when obtaining the protolith structural fece sample containing weak intercalated layer: 1) weak intercalated layer easily disturbs, it is difficult to obtain
Obtain the in situ rock mass structural fece sample containing weak intercalated layer consistent with live status；2) scene is difficult to obtain and contains weakness
The approximate consistent multiple groups sample of the protolith structure surface properties of interlayer can not obtain structural plane power by the direct shear test of multiple groups sample
Learn index；3) field sampling there are difficulty it is big, costly, the sampling period is long, risk is high the deficiencies of.Therefore, indoor production becomes
Obtain the important method of the sample of rock mass discontinuity containing weak intercalated layer.
In order to obtain weak structural face mechanics parameter, it usually needs two steps: 1) using the structure containing weak intercalated layer
Wheat flour contains the structural fece sample of weak intercalated layer as Mold Making；2) dismounting structure wheat flour makees mold, making containing soft
The structural fece sample of weak interlayer is put into corresponding shear box and carries out direct shear test test.Since above-mentioned two steps are respectively necessary for tying
Structure wheat flour, which makees mold and matched two covering device of shear box of direct shear test, could obtain the parameter of structure face mechanic containing weak intercalated layer, no
But complex procedures, and it is at high cost, test period is long.
Summary of the invention
In order to meet the requirement of the structural plane production containing weak intercalated layer and direct shear test test, the present invention provides
A kind of production and staight scissors test method of the structural plane containing weak intercalated layer, not only can solve the production problem of weak intercalated layer, but also
The production mold and direct shear test that can solve weak intercalated layer structural plane test the inconsistent problem of used shear box.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of structural plane production and staight scissors test method containing weak intercalated layer, includes the following steps:
(1) structural plane panel form is selected, is required according to experimental test, corresponding construction faceplate panels pattern is selected；
(2) two blocks of bottom L-type plates are placed on levelling ground by the placement of bottom L-type plate；
(3) two blocks of front L-type plates and two blocks of rear portion L-type plates are passed through front and back by the installation of front L-type plate and rear portion L-type plate
Portion's L-type plate fixing bolt is fixed on the two blocks of bottom L-type plates placed；
(4) installation of front convex plate and rear portion convex plate, front convex plate and rear portion convex plate is convex by front and rear part
Template fixing bolt is fixed on front L-type plate and rear portion L-type plate；
(5) bottom convex plate is fixed on front with after by bottom convex plate fixing bolt by the installation of bottom convex plate
On portion's convex plate；
(6) the two blocks of side plates in left and right are fixed on front and rear L by left side plate fixing bolt by the installation of left side plate
On template；
(7) two block structure faceplate panels of left and right are passed through the fixed spiral shell of structure faceplate panels by the installation of two block structure faceplate panels of left and right
Bolt is fixed on front and rear convex plate；
(8) coating release agent applies a coating film agent in the inner surface of assembled integrated apparatus, facilitates the dismounting of device；
(9) sample material is poured, corresponding rock simulation material is poured into assembled integrated apparatus；
(10) sample vibration compacting and floating processing, the integrated apparatus for having poured rock simulation material vibrate close
It is real, floating processing in surface is carried out after vibration；
(11) dismounting structure faceplate panels conserve the sample poured to initial setting strength together with integrated apparatus, will
Two block structure faceplate panels of left and right are removed；
(12) weak intercalated layer material is poured, prepared weak intercalated layer material is poured into the gap between structure faceplate panels
In,
(13) weak intercalated layer vibration compacting and floating processing, the integrated apparatus for having poured weak intercalated layer material is shaken
Move closely knit, progress surface floating processing after vibration；
(14) conserve, by with integrated apparatus and structural fece sample containing weak intercalated layer be put into dedicated fog room into
Row maintenance；
(15) installation of top L-type plate, is fixed on front and rear L by top L-type plate fixing bolt for top L-type plate
On template；
(16) top convex plate is fixed on front with after by top convex plate fixing bolt by the installation of top convex plate
On portion's convex plate；
(17) realization of vertical loading procedure: by the integrated apparatus erect of the structural fece sample containing weak intercalated layer
Come, and left plate will be placed on above as top loading surface, and then whole device is put on direct shear test machine, it then will be left
The fixing bolt of side plate is removed, and then carries out normal direction load according to the vertical stress size of live structural plane, until normal deformation
Stablize, records corresponding Normal stress and normal deformation.
Further, the method also includes following steps:
(18) realization of shear history: before shearing, top and bottom convex plate, front and rear convex plate being removed,
The shear surface for exposing weak intercalated layer, then carries out the fixation in dish structure face, then applies horizontal loading to lower disc face, directly
It is destroyed to shear surface occurs, test process terminates, and records corresponding horizontal direction load and tangential deformation.
Further, the method also includes following steps:
(19) the structural plane form in step (1) is replaced, the realization of repetition step (2)-(18) is different types of to contain weakness
Sandwich interviews the production and staight scissors test of sample.
Technical concept of the invention are as follows: the structural plane production and staight scissors test side that The present invention gives a kind of containing weak intercalated layer
Method, can fast and easy complete test to the production containing weak intercalated layer structural fece sample and direct shear test, there is operation side
Just, the advantages that effect is good, low cost, efficient quick.
Beneficial effects of the present invention are mainly manifested in:
(1) required structural plane form can be selected to complete the production of structural plane model for different structural planes；
(2) it can solve production integrated with the structural fece sample of weak intercalated layer；
(3) it solves the production mold of weak intercalated layer structural plane and the used shear box of direct shear test test is inconsistent asks
It is integrated to realize that the production containing weak intercalated layer structural fece sample is tested with staight scissors for topic.
(4) integrated mould of the used structural fece sample production of the present invention and test may be implemented in vertical compression process
Perfect rigidity constraint, prevents weak intercalated layer from squeezing out；In shear history, sample can be sheared freely completely in shear direction, and
In addition two sides are without constraint；
Detailed description of the invention
Fig. 1 is top view of the invention.
Fig. 2 is front view of the invention.
Fig. 3 is left view of the invention.
Fig. 4 is 1-1 sectional view in Fig. 1.
Fig. 5 is top view of the present invention in sample preparation and production weak intercalated layer.
Fig. 6 is front view of the present invention in sample preparation and production weak intercalated layer.
Fig. 7 is left view of the present invention in sample preparation and production weak intercalated layer.
Fig. 8 is 2-2 sectional view in Fig. 5.
Fig. 9 is top view of the present invention in compression process.
Figure 10 is front view of the present invention in compression process (arrow indicates compression direction in figure).
Figure 11 is left view of the present invention in compression process (arrow indicates compression direction in figure).
Figure 12 is top view of the present invention in shear history.
Figure 13 is front view of the present invention in shear history (arrow indicates shear direction in figure).
Figure 14 is left view of the present invention in shear history.
Figure 15 is the schematic diagram of structure faceplate panels.
Figure 16 is the top view of top L-type plate in the present invention.
Figure 17 is the front view of top L-type plate in the present invention.
Figure 18 is the left view of top L-type plate in the present invention.
Figure 19 is the top view of bottom L-type plate in the present invention.
Figure 20 is the front view of bottom L-type plate in the present invention.
Figure 21 is the left view of bottom L-type plate in the present invention.
Figure 22 is the top view of middle front part L-type plate of the present invention.
Figure 23 is the front view of middle front part L-type plate of the present invention.
Figure 24 is the left view of middle front part L-type plate of the present invention.
Figure 25 is the top view of L-type plate in middle and back of the present invention.
Figure 26 is the front view of L-type plate in middle and back of the present invention.
Figure 27 is the left view of L-type plate in middle and back of the present invention.
Figure 28 is the top view of top convex plate in the present invention.
Figure 29 is the front view of top convex plate in the present invention.
Figure 30 is the left view of top convex plate in the present invention.
Figure 31 is the top view of bottom convex plate in the present invention.
Figure 32 is the front view of bottom convex plate in the present invention.
Figure 33 is the left view of bottom convex plate in the present invention.
Figure 34 is the top view of middle front part convex plate of the present invention.
Figure 35 is the front view of middle front part convex plate of the present invention.
Figure 36 is the left view of middle front part convex plate of the present invention.
Figure 37 is the top view of convex plate in middle and back of the present invention.
Figure 38 is the front view of convex plate in middle and back of the present invention.
Figure 39 is the left view of convex plate in middle and back of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
A kind of referring to Fig.1~Figure 39, structural plane production and staight scissors test method containing weak intercalated layer, includes the following steps:
(1) structural plane panel form is selected, is required according to experimental test, corresponding construction faceplate panels pattern is selected；
(2) two blocks of bottom L-type plates are placed on levelling ground by the placement of bottom L-type plate；
(3) two blocks of front L-type plates and two blocks of rear portion L-type plates are passed through front and back by the installation of front L-type plate and rear portion L-type plate
Portion's L-type plate fixing bolt is fixed on the two blocks of bottom L-type plates placed；
(4) installation of front convex plate and rear portion convex plate, front convex plate and rear portion convex plate is convex by front and rear part
Template fixing bolt is fixed on front L-type plate and rear portion L-type plate；
(5) bottom convex plate is fixed on front with after by bottom convex plate fixing bolt by the installation of bottom convex plate
On portion's convex plate；
(6) the two blocks of side plates in left and right are fixed on front and rear L by left side plate fixing bolt by the installation of left side plate
On template；
(7) two block structure faceplate panels of left and right are passed through the fixed spiral shell of structure faceplate panels by the installation of two block structure faceplate panels of left and right
Bolt is fixed on front and rear convex plate；
(8) coating release agent applies a coating film agent in the inner surface of assembled integrated apparatus, facilitates the dismounting of device；
(9) sample material is poured, corresponding rock simulation material is poured into assembled integrated apparatus；
(10) sample vibration compacting and floating processing, the integrated apparatus for having poured rock simulation material vibrate close
It is real, floating processing in surface is carried out after vibration；
(11) dismounting structure faceplate panels conserve the sample poured to initial setting strength together with integrated apparatus, will
Two block structure faceplate panels of left and right are removed；
(12) weak intercalated layer material is poured, prepared weak intercalated layer material is poured into the gap between structure faceplate panels
In,
(13) weak intercalated layer vibration compacting and floating processing, the integrated apparatus for having poured weak intercalated layer material is shaken
Move closely knit, progress surface floating processing after vibration；
(14) conserve, by with integrated apparatus and structural fece sample containing weak intercalated layer be put into dedicated fog room into
Row maintenance；
(15) installation of top L-type plate, is fixed on front and rear L by top L-type plate fixing bolt for top L-type plate
On template；
(16) top convex plate is fixed on front with after by top convex plate fixing bolt by the installation of top convex plate
On portion's convex plate；
(17) realization of vertical loading procedure: by the integrated apparatus erect of the structural fece sample containing weak intercalated layer
Come, and left plate will be placed on above as top loading surface, and then whole device is put on direct shear test machine, it then will be left
The fixing bolt of side plate is removed, and then carries out normal direction load according to the vertical stress size of live structural plane, until normal deformation
Stablize, records corresponding Normal stress and normal deformation.
Further, the method also includes following steps:
(18) realization of shear history: before shearing, top and bottom convex plate, front and rear convex plate being removed,
The shear surface for exposing weak intercalated layer, then carries out the fixation in dish structure face, then applies horizontal loading to lower disc face, directly
It is destroyed to shear surface occurs, test process terminates, and records corresponding horizontal direction load and tangential deformation.
Further, the method also includes following steps:
(19) the structural plane form in step (1) is replaced, the realization of repetition step (2)-(18) is different types of to contain weakness
Sandwich interviews the production and staight scissors test of sample.
The structural plane containing weak intercalated layer of the present embodiment makes and the integrated apparatus of staight scissors test, the integrated apparatus packet
Include top L-type plate 11, bottom L-type plate 1, front L-type plate 2, rear portion L-type plate 3, top convex plate 12, bottom convex plate 6, front
Convex plate 4, rear portion convex plate 5, left plate and load plate 7, right side plate 8, left side structure faceplate panels 9, right side structure faceplate panels 10,
Front and rear part L-type plate fixing bolt 13, front and rear part convex plate fixing bolt 14, bottom convex plate fixing bolt 15, left side plate are solid
Determine bolt 16, structure faceplate panels fixing bolt 17, top L-type plate fixing bolt 21, top convex plate fixing bolt 22.
The top L-type plate 11 is the restraining plate that shape is "L" shaped, has two pieces, size is identical, symmetrically placed.Top
There is top L-type plate fixed hole position 1101 in L-type plate 11 side in portion's, by top L-type plate fixing bolt 21 by two blocks of top L-type plates 11
It is fixed on front L-type plate 2 and rear portion L-type plate 3.Top L-type plate 11 is the two end side panels as top in integrated apparatus.
The bottom L-type plate 1 is the restraining plate that shape is "L" shaped, has two pieces, size is identical, symmetrically placed.Bottom
There is front and rear part L-type plate fixed hole position 101 in 1 side of L-type plate, by front and rear part L-type plate fixing bolt 13 by two blocks of front L-type plates 2
It is fixed on bottom L-type plate 1 with two blocks of rear portion L-type plates 3.Bottom L-type plate 1 is two end sides as bottom in integrated apparatus
Plate.
The front L-type plate 2 is the restraining plate that shape is "L" shaped, has two pieces, size is identical, symmetrically placed.Front
There is front L-type plate fixed hole position 201 in 2 front of L-type plate, by front and rear part L-type plate fixing bolt 13 by two block sizes it is identical before
Portion's L-type plate 2 is fixed on bottom L-type plate 1；There are also front convex plate fixed hole positions 202 in front L-type plate 2 front, utilize front and rear part
Front convex plate 4 is fixed on front L-type plate 2 by convex plate fixing bolt 14；There are also left side plates to fix on front L-type plate 2
Hole location 203 and top L-type plate fixed hole position 204, are utilized respectively left side plate fixing bolt 16 and top L-type plate fixing bolt 21
Left side plate 7,8 and top L-type plate 11 are fixed on front L-type plate 2.Front L-type plate 2 is as before in integrated apparatus
The two end side panels in portion.
The rear portion L-type plate 3 is the restraining plate that shape is "L" shaped, has two pieces, size is identical, symmetrically placed.Rear portion
There is rear portion L-type plate fixed hole position 301 in 3 front of L-type plate, by front and rear part L-type plate fixing bolt 13 by two block sizes it is identical after
Portion's L-type plate 3 is fixed on bottom L-type plate 1；There are also rear portion convex plate fixed hole positions 302 in rear portion L-type plate 3 front, utilize front and rear part
Rear portion convex plate 5 is fixed on rear portion L-type plate 3 by convex plate fixing bolt 14；There are also left side plates to fix on rear portion L-type plate 3
Hole location 303 and top L-type plate fixed hole position 304, are utilized respectively left side plate fixing bolt 16 and top L-type plate fixing bolt 21
Left side plate 7,8 and top L-type plate 11 are fixed on rear portion L-type plate 3.Rear portion L-type plate 3 is as after in integrated apparatus
The two end side panels in portion.
The top convex plate 12 is the restraining plate that shape is " convex " font.Convex plate 12 side in top has top convex
Top convex plate 12 is fixed on front and rear convex plate by top convex plate fixing bolt 22 by template fixed hole position 1201
On 4 and 5.Top convex plate 12 is the intermediate side plate as top in integrated apparatus.
The bottom convex plate 6 is the restraining plate that shape is " convex " font, identical as top 12 sizes of convex plate, symmetrically
It places.There is bottom convex plate fixed hole position 601 in convex plate 6 side in bottom, by bottom convex plate fixing bolt 15 that bottom is convex
Template 6 is fixed on front and rear convex plate 4 and 5.Bottom convex plate 6 is the medial side as bottom in integrated apparatus
Plate.
The front convex plate 4 is the restraining plate that shape is " convex " font.There is front convex in convex plate 4 front in front
Front convex plate 4 is fixed on front L-type plate 2 and rear portion L by front and rear part convex plate fixing bolt 14 by plate fixed hole position 401
On template 3；There are also bottom convex plate fixed hole positions 402 in front convex plate 4 front, will using bottom convex plate fixing bolt 15
Bottom convex plate 6 is fixed on front convex plate 4；There are also structure faceplate panels fixed hole position 403 and top are convex on front convex plate 4
Template fixed hole position 404 is utilized respectively structure faceplate panels fixing bolt 17 and top convex plate fixing bolt 22 for the left and right sides
Structure faceplate panels 7,8 and top convex plate 12 are fixed on front convex plate 4.Front convex plate 4 is as in integrated apparatus
The intermediate side plate of front.
The rear portion convex plate 5 is the restraining plate that shape is " convex " font, identical as front 4 sizes of convex plate, symmetrically
It places.There is rear portion convex plate fixed hole position 501 in convex plate 5 front in rear portion, by front and rear part convex plate fixing bolt 14 by rear portion
Convex plate 5 is fixed on front L-type plate 2 and rear portion L-type plate 3；There are also bottom convex plate fixed hole positions in rear portion convex plate 5 front
502, bottom convex plate 6 is fixed on rear portion convex plate 5 using bottom convex plate fixing bolt 15；On rear portion convex plate 5 also
There are structure faceplate panels fixed hole position 503 and top convex plate fixed hole position 504, is utilized respectively 17 He of structure faceplate panels fixing bolt
Left and right sides structure faceplate panels 7,8 and top convex plate 12 are fixed on rear portion convex plate 5 by top convex plate fixing bolt 22
On.Rear portion convex plate 5 is the intermediate side plate as integrated apparatus middle and back.
The left plate and load plate 7 be integrated in be located at left side restraining plate, fixed using left side plate
Bolt 16 is fixed on front and rear part L-type plate 2 and 3.Left plate 7 early period device assembling process and sample preparation, filling it is weak
Restraining plate when interlayer as left side serves as the effect of load plate during compressor shearing.
The right side plate 8 be integrated in be located at right side restraining plate, utilize left side plate fixing bolt 16 will
It is fixed on front and rear part L-type plate 2 and 3.
The left side structure faceplate panels 9 and right side structure faceplate panels 10 be sample making course in structure faceplate panels, two
Block structure faceplate panels top has the extension of " L " type, facilitates the dismounting of structure faceplate panels.
Now for making the structural plane containing weak intercalated layer, size is 100mm × 100mm × 210mm
Sample, weak interbed 10mm, is described with reference to the accompanying drawings embodiment of the present invention:
(1) structural plane panel form is selected.It is required according to experimental test, selects corresponding construction faceplate panels pattern.
(2) placement of bottom L-type plate 1.Two blocks of bottom L-type plates 1 are placed on levelling ground.
(3) installation of front L-type plate 2 and rear portion L-type plate 3.Two blocks of front L-type plates 2 and two blocks of rear portion L-type plates 3 are passed through
Front and rear part L-type plate fixing bolt 13 is fixed on the two blocks of bottom L-type plates 1 placed.
(4) installation of front convex plate 4 and rear portion convex plate 5.Front convex plate 4 and rear portion convex plate 5 are passed through into front and back
Portion's convex plate fixing bolt 14 is fixed on front L-type plate 2 and rear portion L-type plate 3.
(5) installation of bottom convex plate 6.Bottom convex plate 6 is fixed on front by bottom convex plate fixing bolt 15
On rear portion convex plate 4 and 5.
(6) installation of left side plate 7 and 8.Two blocks of left and right side plate 7 and 8 is fixed on by left side plate fixing bolt 16
On front and rear L-type plate 2 and 3.
(7) installation of two block structure faceplate panels 9 and 10 of left and right.Two block structure faceplate panels 9 and 10 of left and right are passed through into structural plane
Panel fixing bolt 17 is fixed on front and rear convex plate 4 and 5.
(8) coating release agent.A coating film agent is applied in the inner surface of assembled integrated apparatus, facilitates the dismounting of device.
(9) sample material is poured.Corresponding rock simulation material is poured into assembled integrated apparatus.
(10) sample vibration compacting and floating processing.The integrated apparatus for having poured rock simulation material vibrate close
It is real, floating processing in surface is carried out after vibration.
(11) dismounting structure faceplate panels.The sample poured is conserved together with integrated apparatus to initial setting strength, it will
Two block structure faceplate panels of left and right are removed.
(12) weak intercalated layer material 19 is poured.Prepared weak intercalated layer material 19 is poured between structure faceplate panels
In gap.
(13) 19 vibration compacting of weak intercalated layer and floating processing.The integrated apparatus of weak intercalated layer material 19 will have been poured
Vibratory compaction is carried out, floating processing in surface is carried out after vibration.
(14) it conserves.By with integrated apparatus and structural fece sample containing weak intercalated layer be put into dedicated fog room into
Row maintenance.
(15) installation of top L-type plate 11.Top L-type plate 11 is fixed on front by top L-type plate fixing bolt 21
On rear portion L-type plate 2 and 3.
(16) installation of top convex plate 12.Before top convex plate 12 is fixed on by top convex plate fixing bolt 22
In portion and rear portion convex plate 4 and 5.
(17) realization of vertical loading procedure.By the integrated apparatus erect of the structural fece sample containing weak intercalated layer
Come, and left plate 7 will be placed on above as top loading surface, and then whole device is put on direct shear test machine, then will
The fixing bolt of left plate 7 is removed, and is then vertically loaded according to the vertical stress size of live structural plane, until vertical become
Shape is stablized, and corresponding vertical load and vertical deformation are recorded.
(18) realization of shear history.Before shearing, by top and bottom convex plate 6 and 12, front and rear convex plate 4
It is removed with 5, exposes the shear surface of weak intercalated layer 19, the fixation in dish structure face 18 is then carried out, then to lower disc face 20
Apply horizontal loading, until generation shear surface destroys, test process is terminated, and records corresponding horizontal direction load and tangential change
Shape.
(19) the structural plane form in step (1) is replaced, repetition step (2)-(18) can be achieved different types of containing soft
The production of weak interlayer structural fece sample and staight scissors test.
Claims (3)
1. a kind of structural plane production and staight scissors test method containing weak intercalated layer, which is characterized in that the method includes walking as follows
It is rapid:
(1) structural plane panel form is selected, is required according to experimental test, corresponding construction faceplate panels pattern is selected；
(2) two blocks of bottom L-type plates are placed on levelling ground by the placement of bottom L-type plate；
(3) two blocks of front L-type plates and two blocks of rear portion L-type plates are passed through front and rear part L-type by the installation of front L-type plate and rear portion L-type plate
Plate fixing bolt is fixed on the two blocks of bottom L-type plates placed；
(4) front convex plate and rear portion convex plate are passed through front and rear part convex plate by the installation of front convex plate and rear portion convex plate
Fixing bolt is fixed on front L-type plate and rear portion L-type plate；
(5) it is convex by bottom convex plate fixing bolt to be fixed on front and rear by the installation of bottom convex plate for bottom convex plate
On template；
(6) the two blocks of side plates in left and right are fixed on front and rear L-type plate by left side plate fixing bolt by the installation of left side plate
On；
(7) installation of two block structure faceplate panels of left and right consolidates two block structure faceplate panels of left and right by structure faceplate panels fixing bolt
It is scheduled on front and rear convex plate；
(8) coating release agent applies a coating film agent in the inner surface of assembled integrated apparatus, facilitates the dismounting of device；
(9) sample material is poured, corresponding rock simulation material is poured into assembled integrated apparatus；
(10) integrated apparatus for having poured rock simulation material is carried out vibratory compaction by sample vibration compacting and floating processing,
Floating processing in surface is carried out after vibration；
(11) dismounting structure faceplate panels conserve the sample poured to initial setting strength together with integrated apparatus, by left and right
Two block structure faceplate panels are removed；
(12) weak intercalated layer material is poured, prepared weak intercalated layer material is poured into the gap between structure faceplate panels,
(13) weak intercalated layer vibration compacting and floating processing, the integrated apparatus for having poured weak intercalated layer material vibrate close
It is real, floating processing in surface is carried out after vibration；
(14) it conserves, the structural fece sample with integrated apparatus and containing weak intercalated layer is put into dedicated fog room and is supported
Shield；
(15) installation of top L-type plate, is fixed on front and rear L-type plate by top L-type plate fixing bolt for top L-type plate
On；
(16) installation of top convex plate, it is convex by top convex plate fixing bolt to be fixed on front and rear for top convex plate
On template；
(17) realization of vertical loading procedure: the integrated apparatus of the structural fece sample containing weak intercalated layer is erected, and
Left plate will be placed on above as top loading surface, and then whole device is put on direct shear test machine, then by left plate
Fixing bolt remove, then according to the vertical stress size of live structural plane carry out normal direction load, until normal deformation stablize,
Record corresponding Normal stress and normal deformation.
2. structural plane production and staight scissors test method containing weak intercalated layer as described in claim 1, which is characterized in that the side
Method is further comprising the steps of:
(18) realization of shear history: before shearing, top and bottom convex plate, front and rear convex plate is removed, exposed
Then the shear surface of weak intercalated layer carries out the fixation in dish structure face, then apply horizontal loading to lower disc face, until hair
Raw shear surface destroys, and test process terminates, and records corresponding horizontal direction load and tangential deformation.
3. structural plane production and staight scissors test method containing weak intercalated layer as claimed in claim 2, which is characterized in that the side
Method is further comprising the steps of:
(19) the structural plane form in step (1) is replaced, repetition step (2)-(18) can be achieved different types of containing weakness folder
The production and staight scissors test of layer structural fece sample.
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| CN201811201001.7A CN109507024B (en) | 2018-10-16 | 2018-10-16 | Method for manufacturing and direct shear testing of structural surface containing soft interlayer |
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