CN103604672A - Even construction device and operation method for three-dimensional random fracture in geotechnical engineering - Google Patents
Even construction device and operation method for three-dimensional random fracture in geotechnical engineering Download PDFInfo
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- CN103604672A CN103604672A CN201310592035.4A CN201310592035A CN103604672A CN 103604672 A CN103604672 A CN 103604672A CN 201310592035 A CN201310592035 A CN 201310592035A CN 103604672 A CN103604672 A CN 103604672A
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Abstract
The invention particularly discloses an even construction device and an operation method for a three-dimensional random fracture in geotechnical engineering. The even construction device comprises a frame, wherein cutter rotating shafts are arranged at the front, rear, left and right sides of the frame; a circle of fracture trend scales are respectively arranged in the radial direction of each cutter rotating shaft and on the peripheral frame; a fracture cutter which passes through each cutter rotating shaft and achieves the internal part of the frame is arranged in the axial direction of each cutter rotating shaft; a cutter scale value is set on each fracture cutter. Scales are formed at the peripheries of the cutter rotating shafts in the device, so that the azimuth angle of the fracture trend can be accurately recorded. The scales are labeled on a table rotating shaft, so that the trend and the inclination size of the fracture can be accurately recorded, so as to prepare for subsequent calculation and other tests. The cutters pass through the rotating shafts, and can be inserted into a test specimen, and the scales are labeled on the cutters, so that the cutters can be easily replaced, the widths are controllable, and the fracture depth can be accurately determined.
Description
Technical field
The present invention relates to a kind ofly for Geotechnical Engineering three-dimensional random crack, evenly apply device and method of operating.
Technical background
Crack propagation test is the important means of geotechnical study rock mechanical character, the crack propagation situation during by observation Rock And Soil pressurized, thereby the mechanical property of research crack rock.
At present, what the test of Geotechnical Engineering crack propagation was mainly studied is two-dimentional crack, less for the research in three dimensions crack, and random crack is difficult to realize, and the trend in crack, tendency and inclination angle are difficult to control.Applying of crack is more difficult, and width and the degree of depth uncontrollable, for follow-up test and numerical evaluation etc. are brought inconvenience.
Summary of the invention
The object of the invention is to design a kind of for Geotechnical Engineering three-dimensional random crack evenly apply device and method of operating, three-dimensional fracture is uniformly distributed at random, the trend in crack, tendency and inclination angle can be adjusted arbitrarily, and can accurate recording; Fracture Width and the degree of depth can be set arbitrarily by testing requirements.Test accuracy and test efficiency have greatly been improved, for follow-up test and numerical evaluation are done good preparation.
For achieving the above object, the present invention adopts following scheme:
A kind ofly for Geotechnical Engineering three-dimensional random crack, evenly apply device, comprise a framework, on Si Ge side, the front, rear, left and right of framework, be provided with cutterhead rotating shaft, in described cutterhead rotating shaft, be all provided with separately a circle fracture strike scale in the radial direction with on the framework of its surrounding; The axial direction of described cutterhead rotating shaft is provided with through it and arrives the crack cutterhead of framework inside, on described crack cutterhead, is provided with cutterhead scale value.In this device, cutterhead rotating shaft surrounding all has scale, position angle that can accurate recording fracture strike, and billiard table rotating shaft is marked with scale, and tendency and inclination angle size that can accurate recording crack, for subsequent calculations and other tests be prepared.Cutterhead, through rotating shaft, can insert test test specimen inner, and cutterhead is marked with scale, can arbitrarily change, and width is controlled, and can accurately record Depth.
On described four sides, lay respectively 9 cutterhead rotating shafts, 9 described cutterhead rotating shafts divide three row, three row evenly to arrange, and guarantee crack integral position and quantity same distribution, reach the effect evenly applying.
The cutterhead rotating shaft of described crack is billiard table shape, and with respect to framework space angle rotation arbitrarily in a circumferential direction, can specify according to testing requirements trend, tendency and the inclination angle in crack.
Described cutterhead rotating shaft surrounding all has scale, position angle that can accurate recording fracture strike, and billiard table rotating shaft is marked with scale, and tendency and inclination angle size that can accurate recording crack, for subsequent calculations and other tests be prepared.
Described cutterhead is through rotating shaft, and the test test specimen that inserts framework inside is inner.
The top of described framework is provided with four baffle plates of lining up a circle and being close to framework inner side, is provided with baffle plate handle on described baffle plate, and baffle plate can extract out with respect to framework, for the sizing in earlier stage of ground test specimen.Test specimen sizing can be extracted baffle plate out, carries out crack and applies.
The even crack that this device has successfully been realized Geotechnical Engineering System for Large-scale Specimen applies, simple to operate, easy to use, efficiently convenient; The crack of endian format applies being uniformly distributed of quantity that cutterhead guaranteed each facial cleft gap of test specimen, position; The cutterhead rotating shaft of billiard table shape has guaranteed that the trend in crack and inclination angle can formulate arbitrarily according to testing requirements, crack applies on cutterhead with scale, make crack length controlled, thereby realized applying arbitrarily of three dimensions crack, greatly met test demand, four groups of test specimen baffle plates can plug, guarantee ground test specimen moulding in early stage standard, and prevent that material from leaking outside, extract after to be formed, apply crack, convenient and swift.
Its method of operating of described device, comprises the following steps:
(1) adjust the angle of cutterhead rotating shaft, smooth inside assurance device framework, by four groups of baffle plate attaching device frameworks inner sides, after sealing is good, test material is filled in framework;
(2) during material initial set to be tested, by pulling handle, baffle plate is extracted out, adjusted the angle of cutterhead rotating shaft, eye slit moves towards scale simultaneously, sets fracture strike and is inclined to and inclination angle, and fix by testing requirements;
(3) by the different demands of test, select the crack cutterhead of respective width to insert cutterhead rotating shaft, until go deep into test specimen inside, and observe cutterhead scale, after reaching designated depth, to extract, the crack cutterhead at test specimen four sides is all undertaken by this operation;
(4) after crack has applied, cutterhead rotating shaft adjustment is returned to initial position, after the complete fixed moulding of test specimen, take out, carry out follow-up test.
The present invention compares and has the following advantages with measuring method in the past:
1 this device has successfully been realized the even stochastic distribution in Geotechnical Engineering System for Large-scale Specimen crack, simple to operate, easy to use, efficiently convenient;
The cutterhead rotating shaft of 2 billiard table shapes has guaranteed that the trend in crack and inclination angle can formulate arbitrarily according to testing requirements;
3 cracks apply on cutterhead with scale, can accurately record the size at fracture strike, tendency and inclination angle;
4 four groups of test specimen baffle plates can plug, and guarantee ground test specimen moulding in early stage standard, and it are convenient and swift to prevent that material from leaking outside;
5 crack cutterhead cambers are adjustable, and the degree of depth can be surveyed, and according to experiment needs, change arbitrarily.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
1 ground test specimen in figure; 2 baffle plates; 3 baffle plate handles; 4 frameworks; 5 billiard table shape cutterhead rotating shafts; 6 fracture strike scales; 7 crack cutterheads; 8 cutterhead scales.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention will be further described:
A kind ofly for Geotechnical Engineering three-dimensional random crack, evenly apply device, comprise a framework 4, on Si Ge side, the front, rear, left and right of framework 4, be provided with billiard table shape cutterhead rotating shaft 5, in described billiard table shape cutterhead rotating shaft 5, be all provided with separately a circle fracture strike scale 6 in the radial direction with on the framework of its surrounding; The axial direction of described billiard table shape cutterhead rotating shaft 5 is provided with through it and arrives the crack cutterhead 7 of framework inside, on described crack cutterhead 7, is provided with cutterhead scale value 8.In this device, cutterhead rotating shaft surrounding all has scale, position angle that can accurate recording fracture strike, and billiard table rotating shaft is marked with scale, and tendency and inclination angle size that can accurate recording crack, for subsequent calculations and other tests be prepared.Cutterhead, through rotating shaft, can insert test test specimen inner, and cutterhead is marked with scale, can arbitrarily change, and width is controlled, and can accurately record Depth.
Secondly four medial surfaces of the framework 4 of device are settled baffle plates 2, for the filling and shaping of ground test specimen 1, are equipped with baffle plate handle 3 on baffle plate 2, after 1 sizing of ground test specimen, baffle plate 2 can be extracted;
In the nine grids of side all round of framework 4, settle respectively billiard table shape cutterhead rotating shaft 5,9 described crack cutterheads divide three row, three row evenly to arrange, and guarantee crack integral position and quantity same distribution, reach the effect evenly applying.
For Geotechnical Engineering three-dimensional random crack evenly apply a device, its method of operating comprises the following steps:
(1) adjust the angle of billiard table shape cutterhead rotating shaft 5, assurance device framework 4 inner sides are smooth, by four groups of baffle plates, 2 attaching device framework 4 inner sides, after sealing is good, test material filled in framework 4.
(2) material to be tested approaches while solidifying, and by pulling baffle plate handle 3, baffle plate 2 is extracted out, adjusts the angle of billiard table shape cutterhead rotating shaft 5, and eye slit moves towards scale 6 simultaneously, sets fracture strike tendency and inclination angle, and fix by testing requirements.
(3) by test demand, select the crack cutterhead 7 of proper width to insert billiard table shape cutterhead rotating shaft 5, until go deep into ground test specimen 1 inside, and observe cutterhead scale 8, after reaching designated depth, to extract, the crack cutterhead 7 at ground test specimen 1 four sides is all undertaken by this operation.
(4) after crack has applied, billiard table shape cutterhead rotating shaft 5 is adjusted back to initial position, after the complete fixed moulding of ground test specimen 1, take out, carry out follow-up test.
Claims (6)
1. one kind evenly applies device for Geotechnical Engineering three-dimensional random crack, comprise a framework, it is characterized in that: on Si Ge side, the front, rear, left and right of framework, be provided with cutterhead rotating shaft, in described cutterhead rotating shaft, be all provided with separately a circle fracture strike scale in the radial direction with on the framework of its surrounding; The axial direction of described cutterhead rotating shaft is provided with through it and arrives the crack cutterhead of framework inside, on described crack cutterhead, is provided with cutterhead scale value.
2. device as claimed in claim 1, is characterized in that: on described four sides, lay respectively 9 cutterhead rotating shafts, 9 described cutterhead rotating shafts divide three row, three row evenly to arrange.
3. device as claimed in claim 1, is characterized in that: described cutterhead rotating shaft is billiard table shape, and with respect to framework space angle rotation arbitrarily in a circumferential direction.
4. device as claimed in claim 1, is characterized in that: described cutterhead is through rotating shaft, and the test test specimen that inserts framework inside is inner.
5. device as claimed in claim 1, is characterized in that: the top of described framework is provided with four baffle plates of lining up a circle and being close to framework inner side, be provided with baffle plate handle, and baffle plate can be extracted on described baffle plate out with respect to framework.
6. its method of operating of device as claimed in claim 1, is characterized in that, comprises the following steps:
(1) adjust the angle of cutterhead rotating shaft, smooth inside assurance device framework, by four groups of baffle plate attaching device frameworks inner sides, after sealing is good, test material is filled in framework;
(2) during material initial set to be tested, by pulling handle, baffle plate is extracted out, adjusted the angle of cutterhead rotating shaft, eye slit moves towards scale simultaneously, sets fracture strike and is inclined to and inclination angle, and fix by testing requirements;
(3) by test demand, select the crack cutterhead of respective width to insert cutterhead rotating shaft, until go deep into test specimen inside, and observe cutterhead scale, after reaching designated depth, to extract, the crack cutterhead at test specimen four sides is all undertaken by this operation;
(4) after crack has applied, cutterhead rotating shaft adjustment is returned to initial position, after the complete fixed moulding of test specimen, take out, carry out follow-up test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592035.4A CN103604672A (en) | 2013-11-22 | 2013-11-22 | Even construction device and operation method for three-dimensional random fracture in geotechnical engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592035.4A CN103604672A (en) | 2013-11-22 | 2013-11-22 | Even construction device and operation method for three-dimensional random fracture in geotechnical engineering |
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| CN103604672A true CN103604672A (en) | 2014-02-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277406A (en) * | 2015-11-03 | 2016-01-27 | 中国建筑股份有限公司 | Mold for producing cracked rock test piece of different dip angles and production method thereof |
| CN105784456A (en) * | 2016-03-04 | 2016-07-20 | 中国石油大学(华东) | Mold for manufacturing random cross-through fractured rock matrix |
| CN105806686A (en) * | 2016-03-04 | 2016-07-27 | 中国石油大学(华东) | Mold for manufacturing anchored randomized crossover through crack rock mass |
| CN108613855A (en) * | 2018-05-14 | 2018-10-02 | 璧典附 | A kind of crack fabricated device |
| CN108827729A (en) * | 2018-06-14 | 2018-11-16 | 河海大学 | A kind of rocks sample mould and preparation method of sample containing complicated joint |
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| CN101065542A (en) * | 2004-07-05 | 2007-10-31 | 混凝土板材工艺科技有限公司 | Method and apparatus for forming cracks in concrete |
| CN101458186A (en) * | 2008-11-03 | 2009-06-17 | 山东大学 | Mold for crack-containing bolting test |
| CN103196717A (en) * | 2013-03-07 | 2013-07-10 | 同济大学 | Rock-similar sample mold capable of accurately positioning filling-type prefabricated cracks |
| CN203561537U (en) * | 2013-11-22 | 2014-04-23 | 山东大学 | Even construction device for geotechnical engineering three-dimensional random fracture |
-
2013
- 2013-11-22 CN CN201310592035.4A patent/CN103604672A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101065542A (en) * | 2004-07-05 | 2007-10-31 | 混凝土板材工艺科技有限公司 | Method and apparatus for forming cracks in concrete |
| CN101458186A (en) * | 2008-11-03 | 2009-06-17 | 山东大学 | Mold for crack-containing bolting test |
| CN103196717A (en) * | 2013-03-07 | 2013-07-10 | 同济大学 | Rock-similar sample mold capable of accurately positioning filling-type prefabricated cracks |
| CN203561537U (en) * | 2013-11-22 | 2014-04-23 | 山东大学 | Even construction device for geotechnical engineering three-dimensional random fracture |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277406A (en) * | 2015-11-03 | 2016-01-27 | 中国建筑股份有限公司 | Mold for producing cracked rock test piece of different dip angles and production method thereof |
| CN105277406B (en) * | 2015-11-03 | 2017-12-05 | 中国建筑股份有限公司 | Mould for making different angle class fissure rock test specimen and preparation method thereof |
| CN105784456A (en) * | 2016-03-04 | 2016-07-20 | 中国石油大学(华东) | Mold for manufacturing random cross-through fractured rock matrix |
| CN105806686A (en) * | 2016-03-04 | 2016-07-27 | 中国石油大学(华东) | Mold for manufacturing anchored randomized crossover through crack rock mass |
| CN108613855A (en) * | 2018-05-14 | 2018-10-02 | 璧典附 | A kind of crack fabricated device |
| CN108827729A (en) * | 2018-06-14 | 2018-11-16 | 河海大学 | A kind of rocks sample mould and preparation method of sample containing complicated joint |
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Application publication date: 20140226 |
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