CN104020028A - Combined test die for prefabricating fissures in dynamic-static mechanical similarity simulation test - Google Patents
Combined test die for prefabricating fissures in dynamic-static mechanical similarity simulation test Download PDFInfo
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- CN104020028A CN104020028A CN201410249582.7A CN201410249582A CN104020028A CN 104020028 A CN104020028 A CN 104020028A CN 201410249582 A CN201410249582 A CN 201410249582A CN 104020028 A CN104020028 A CN 104020028A
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Abstract
The invention discloses a combined test die for prefabricating fissures in a dynamic-static mechanical similarity simulation test. The technical key points are as follows: a convex disc base is sequentially stacked with a lower dynamic mechanical sample circular die, a middle dynamic mechanical sample circular die and an upper dynamic mechanical sample circular die through coordination of a step seam allowance; the convex disc base is vertically fastened and connected with the sample circular dies through vertical clamping slots and vertical bolts which are arranged on the sides of the dies in the same directions; the lower dynamic mechanical sample circular die, the middle dynamic mechanical sample circular die and the upper dynamic mechanical sample circular die are in semicircular combined structures; the semicircular combined structures are used for horizontally fastening and connecting two semicircular shapes through horizontal clamping slots and horizontal bolts which are arranged on the sides of the structures in the same directions; a plurality of prefabricated fissure openings are formed in the middle dynamic mechanical sample circular die. The combined test die for prefabricating fissures in a dynamic-static mechanical similarity simulation test is capable of manufacturing dynamic-static mechanical standard samples with different ratios of height and diameter and prefabricating fissures on the samples according to the requirement, simple to operate, flexible in combination manner, high in quality of the manufactured samples and saved in cost.
Description
Technical field
The invention belongs to the mould applications of rock mass analog simulation test use, be specifically related to a kind of combination die trial that can prepare the required standard sample of sound mechanical test and contain prefabricated crack standard sample.
Background technology
Equivalent Materials Testing is conventional and effective rock body quality of mine Engineering method, expends all few than the man power and material of site test.In analog simulation process of the test, the sample of palpus production standard cylindrical shape carries out dynamics and statics test, meanwhile, a large amount of cracks are contained in subterranean body inside, usually need to study the impact of crack on analog material sample sound mechanical characteristic on standard sample surface and inner prefabricated crack.Dynamics standard sample typically has a diameter from the right cylinder of 50mm, and ratio of height to diameter is 1:1 or 1:2, and statics standard sample diameter is also the right cylinder of 50mm conventionally, but ratio of height to diameter is 2:1.Will do at present sound mechanical test, mainly contain two kinds of method production standard samples, one is the larger sized square block of cast, can drill-over core, cutting, flour milling manufacture, this method wastes time and energy, if when analog material intensity is low, at all cannot drilling; Another kind is to make sample mould, statics sample and dynamics sample mould be configuration separately respectively, making respectively ratio of height to diameter is the mould that 1:1 and ratio of height to diameter are 2:1, there is no at present the sample mould of ratio of height to diameter 1:2, and mould does not possess the function of prefabricated crack in standard sample.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of multi-functional combination die trial that can prepare the required standard sample of sound mechanical test and contain prefabricated crack standard sample that has, concrete technical scheme is:
This sound mechanical similitude simulation test prefabricated crack combination die trial, it comprises protruding formula disc base, lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould; On described protruding formula disc base, coordinated successively and formed combination die trial with lower floor dynamics circular sample mould, middle level dynamics circular sample mould, the stack of upper strata dynamics circular sample mould by step seam, the vertical clamping slot arranging in the same way by its side between protruding formula disc base and each circular sample mould is vertical to being fastenedly connected with vertical bolt; Lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould are semicircle unitized construction, they respectively by its horizontal draw-in groove that side arranges in the same way separately and leveling screw by two semicircle levels to being fastenedly connected; The ratio of height to diameter of described upper strata dynamics circular sample mould and lower floor's dynamics circular sample mould is 1:2, and the ratio of height to diameter of described middle level dynamics circular sample mould is 1:1, on the dynamics circular sample mould of middle level, is furnished with some prefabricated crack mouths.
Specifically, described protruding formula disc base, lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould separately relative two sides are respectively arranged with a vertical clamping slot, and vertical clamping slot is U-shaped draw-in groove; Protruding formula disc base, lower floor's dynamics circular sample mould, middle level dynamics circular sample mould and upper strata dynamics circular sample mould with sideways vertical clamping slot by vertical bolt vertically to being fastenedly connected, the vertical bottom of bolt and the vertical clamping slot of protruding formula disc base are provided with pin-and-hole and latch, and the top of vertical bolt has been threaded connection turn-knob.
Specifically, described lower floor dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould two semicircular two openend sides are separately respectively arranged with a horizontal draw-in groove, and horizontal draw-in groove is U-shaped draw-in groove; The horizontal draw-in groove of lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould two semicircular openend in the same way sides separately between two by leveling screw by two semicircle levels to being fastenedly connected, one end of leveling screw and one of them horizontal draw-in groove are provided with pin-and-hole and latch, and the other end of leveling screw has been threaded connection turn-knob; Described two semicircular open ends are by the interlock of step seam.
Specifically, the end face of described protruding formula disc base is protruding formula step seam, and the bottom surface of lower floor's dynamics circular sample mould is the recessed formula step seam matching with this protruding formula step seam; Middle level dynamics circular sample mould and the bottom surface of upper strata dynamics circular sample mould are the recessed formula step seams identical with the bottom surface of lower floor dynamics circular sample mould; The end face of lower floor's dynamics circular sample mould is the protruding formula step seam identical with the item face of protruding formula disc base with the end face of middle level dynamics circular sample mould.
Specifically, the interior diameter of described lower floor dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould is 50mm, and the prefabricated crack mouth on the dynamics circular sample mould of described middle level is multi-angle and arranges.
Sound mechanical similitude simulation test prefabricated crack combination die trial of the present invention, simple in structure, the difficult problems such as the making of dynamics standard sample and prefabricated crack are solved, easily installing/dismounting, substantially can not cause because of dismounting the damage of sample, improve sample Forming Quality, guaranteed the testing result of the technical parameters such as sound mechanical strength, elastic modulus.In addition, the present invention is that dynamics standard sample, the ratio of height to diameter 2:1 statics standard sample that can make as required ratio of height to diameter 1:1 and ratio of height to diameter 1:2 also can be to the multi-functional combination die trials in sample prefabricated crack, and simple to operate, array mode is flexible, making sample mass is high, saves die trial cost.
Brief description of the drawings
Fig. 1 is the Integral combined structure schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the sectional view that Fig. 1 partly cuts open along vertical bolt center.
Fig. 3 is the sectional view that Fig. 1 partly cuts open along two semicircle openend interlock place centers.
Fig. 4 is the horizontal profile structure schematic diagram of Fig. 1.
Fig. 5 is the sectional view that the embodiment of the present invention 2 is partly cutd open along two semicircle openend interlock place centers.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment 1:
Referring to Fig. 1 to Fig. 4, the present embodiment coordinates stack successively to form combination die trial by protruding formula disc base 1, lower floor's dynamics circular sample mould 4, middle level dynamics circular sample mould 3, upper strata dynamics circular sample mould 2 by step seam; Can be seen by Fig. 2 and Fig. 3, the end face of protruding formula disc base 1 is protruding formula step seam, the bottom surface of lower floor's dynamics circular sample mould 4 is the recessed formula step seams that match with the protruding formula step seam of protruding formula disc base 1, middle level dynamics circular sample mould 3 and the bottom surface of upper strata dynamics circular sample mould 2 are recessed formula step seams identical with the bottom surface of lower floor dynamics circular sample mould 4, and the end face of lower floor's dynamics circular sample mould 4 is protruding formula step seams identical with the item face of protruding formula disc base 4 with the end face of middle level dynamics circular sample mould 3.
From Fig. 1, Fig. 2, Fig. 4, protruding formula disc base 1, lower floor's dynamics circular sample mould 4, middle level dynamics circular sample mould 3, upper strata dynamics circular sample mould 2 separately relative two sides are respectively arranged with a vertical clamping slot 8, and vertical clamping slot 8 is U-shaped draw-in groove; Protruding formula disc base 1, lower floor's dynamics circular sample mould 4, middle level dynamics circular sample mould 3 and upper strata dynamics circular sample mould 2 with sideways vertical clamping slot 8 by vertical bolt 5 vertically to being fastenedly connected, in the vertical bottom of bolt 5 and the vertical clamping slot of protruding formula disc base 1,8 are provided with pin-and-hole and latch 11, and the top of vertical bolt 5 has been threaded connection turn-knob 12.
From Fig. 1, Fig. 3, Fig. 4, lower floor's dynamics circular sample mould 4, middle level dynamics circular sample mould 3, upper strata dynamics circular sample mould 2 are semicircle unitized construction, lower floor's dynamics circular sample mould 4, middle level dynamics circular sample mould 3, upper strata dynamics circular sample mould 2 two semicircular two openend sides are separately respectively arranged with a horizontal draw-in groove 9, and horizontal draw-in groove 9 is U-shaped draw-in groove; The horizontal draw-in groove 9 of lower floor's dynamics circular sample mould 4, middle level dynamics circular sample mould 3, upper strata dynamics circular sample mould 2 two semicircular openend in the same way sides separately between two by leveling screw 6 by two semicircle levels to being fastenedly connected, one end of leveling screw 6 and one of them horizontal draw-in groove 9 are provided with pin-and-hole and latch 13, and the other end of leveling screw 6 has been threaded connection turn-knob 7; As can be seen from Fig. 4, two semicircular open ends are by the interlock of step seam.
In the present embodiment, the ratio of height to diameter of upper strata dynamics circular sample mould 2 and lower floor's dynamics circular sample mould 4 is 1:2, and the ratio of height to diameter of middle level dynamics circular sample mould 3 is 1:1; The interior diameter of lower floor's dynamics circular sample mould 4, middle level dynamics circular sample mould 3, upper strata dynamics circular sample mould 2 is 50mm, therefore, the ratio of height to diameter of the combination die trial of the present embodiment is 2:1, and meeting statics standard sample diameter is the cylindrical requirement that 50mm, ratio of height to diameter are 2:1.From in Fig. 1 to Fig. 3, on middle level dynamics circular sample mould 3, be furnished with some prefabricated crack mouths 10, prefabricated crack mouth 10 is multi-angle and arranges therefore, also possess the function of prefabricated crack in standard sample.
The combination die trial of the present embodiment, entirety can adopt metal or the high nonmetallic materials of intensity to make, and need process according to the height of sample the vertical bolt 5 of corresponding length.The use procedure of the present embodiment is as follows:
First leveling screw 6 is installed on to the horizontal draw-in groove 9 with latch 13, respectively the horizontal draw-in groove 9 of upper, middle and lower layer circle mould is alignd between two, leveling screw 6 levels are placed in the draw-in groove of two pairs of horizontal draw-in grooves 9, screw the turn-knob 7 on leveling screw 6, the semicircle templates of two of each layer of round mould are engaged closely, prevent that joint from oozing slurry; Upper, middle and lower layer circle mould is overlayed on protruding formula disc base 1 successively, by both sides vertical clamping slot 8 center-aligned of each layer of round mould, two vertical bolts 5 are installed in the vertical clamping slot 8 of the base 1 with latch 11, two vertical bolts 5 are vertically placed in respectively to the center of both sides vertical clamping slot 8, screw the turn-knob 12 on vertical bolt 5, make 1 stack of each layer of round mould and base closely, the loosening spillage of die trial when preventing vibration moulding analog material; All prefabricated crack mouth 10 use masking foils are sealed, after jolt ramming analog material, insert analog material from the prefabricated crack mouth 10 of wanting with tagger, after enough curing times, take out tagger form removal, obtain having the standard statics sample of prefabricated crack.
Embodiment 2:
Referring to Fig. 5, the present embodiment is to change on the basis of embodiment 1, disassemble by the upper strata dynamics circular sample mould 2 in embodiment 1 and lower floor's dynamics circular sample mould 4, directly middle level dynamics circular sample mould 3 is overlayed on protruding formula disc base 1, thereby the die trial that to have formed ratio of height to diameter be 1:1, meeting dynamics standard sample diameter is the cylindrical requirement that 50mm, ratio of height to diameter are 1:1, and also possesses the function of prefabricated crack in standard sample.
The use procedure of the present embodiment is as follows:
Get middle level dynamics circular sample mould 3, similar to Example 1, screw two semicircle templates with leveling screw 6 and turn-knob 7, middle level dynamics circular sample mould 3 is overlayed on protruding formula disc base 1, middle level dynamics circular sample mould 3 and protruding formula disc base 1 are screwed with vertical bolt 5 and turn-knob 12; Similar to Example 1, use tagger prefabricated crack, obtain having the standard power sample of prefabricated crack.
The present invention is a kind of sound mechanical similitude simulation test prefabricated crack combination die trial, this die trial can make as required ratio of height to diameter 1:1 and ratio of height to diameter 1:2 dynamics standard sample, ratio of height to diameter 2:1 statics standard sample and can be to sample prefabricated crack, simple to operate, array mode is flexible, making sample mass is high, saves die trial cost.
Above embodiment is not full content of the present invention, is two kinds of different better popularization examples of the present invention, and being equal to that all do in the present invention's spirit scope replaced or change, all will be in protection domain of the present invention.
Claims (5)
1. a sound mechanical similitude simulation test prefabricated crack combination die trial, is characterized in that: it comprises protruding formula disc base, lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould; On described protruding formula disc base, coordinated successively and formed combination die trial with lower floor dynamics circular sample mould, middle level dynamics circular sample mould, the stack of upper strata dynamics circular sample mould by step seam, the vertical clamping slot arranging in the same way by its side between protruding formula disc base and each circular sample mould is vertical to being fastenedly connected with vertical bolt; Lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould are semicircle unitized construction, they respectively by its horizontal draw-in groove that side arranges in the same way separately and leveling screw by two semicircle levels to being fastenedly connected; The ratio of height to diameter of described upper strata dynamics circular sample mould and lower floor's dynamics circular sample mould is 1:2, and the ratio of height to diameter of described middle level dynamics circular sample mould is 1:1, on the dynamics circular sample mould of middle level, is furnished with some prefabricated crack mouths.
2. sound mechanical similitude simulation test prefabricated crack combination die trial according to claim 1, it is characterized in that: described protruding formula disc base, lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould separately relative two sides are respectively arranged with a vertical clamping slot, and vertical clamping slot is U-shaped draw-in groove; Protruding formula disc base, lower floor's dynamics circular sample mould, middle level dynamics circular sample mould and upper strata dynamics circular sample mould with sideways vertical clamping slot by vertical bolt vertically to being fastenedly connected, the vertical bottom of bolt and the vertical clamping slot of protruding formula disc base are provided with pin-and-hole and latch, and the top of vertical bolt has been threaded connection turn-knob.
3. sound mechanical similitude simulation test prefabricated crack combination die trial according to claim 1, it is characterized in that: described lower floor dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould two semicircular two openend sides are separately respectively arranged with a horizontal draw-in groove, and horizontal draw-in groove is U-shaped draw-in groove; The horizontal draw-in groove of lower floor's dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould two semicircular openend in the same way sides separately between two by leveling screw by two semicircle levels to being fastenedly connected, one end of leveling screw and one of them horizontal draw-in groove are provided with pin-and-hole and latch, and the other end of leveling screw has been threaded connection turn-knob; Described two semicircular open ends are by the interlock of step seam.
4. sound mechanical similitude simulation test prefabricated crack combination die trial according to claim 1, it is characterized in that: the end face of described protruding formula disc base is protruding formula step seam, the bottom surface of lower floor's dynamics circular sample mould is the recessed formula step seam matching with this protruding formula step seam; Middle level dynamics circular sample mould and the bottom surface of upper strata dynamics circular sample mould are the recessed formula step seams identical with the bottom surface of lower floor dynamics circular sample mould; The end face of lower floor's dynamics circular sample mould is the protruding formula step seam identical with the item face of protruding formula disc base with the end face of middle level dynamics circular sample mould.
5. sound mechanical similitude simulation test prefabricated crack combination die trial according to claim 1, it is characterized in that: the interior diameter of described lower floor dynamics circular sample mould, middle level dynamics circular sample mould, upper strata dynamics circular sample mould is 50mm, the prefabricated crack mouth on the dynamics circular sample mould of described middle level is multi-angle and arranges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410249582.7A CN104020028A (en) | 2014-06-06 | 2014-06-06 | Combined test die for prefabricating fissures in dynamic-static mechanical similarity simulation test |
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| CN201410249582.7A CN104020028A (en) | 2014-06-06 | 2014-06-06 | Combined test die for prefabricating fissures in dynamic-static mechanical similarity simulation test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107490508A (en) * | 2017-08-14 | 2017-12-19 | 安徽理工大学 | A kind of semicircular ring cylinder marshal piece mould |
| CN107525703A (en) * | 2017-09-28 | 2017-12-29 | 安徽理工大学 | A kind of quick detachable asphalt marshal piece mould |
| CN109655327A (en) * | 2018-12-21 | 2019-04-19 | 河南理工大学 | A kind of device for interrupted double cracks class rock test piece |
| CN112485126A (en) * | 2020-11-23 | 2021-03-12 | 太原理工大学 | Three-dimensional simulation test system and method based on three-dimensional roadway arrangement |
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| CN202943220U (en) * | 2012-11-29 | 2013-05-22 | 湖北上大模具材料科技有限公司 | Polygonal combined ingot mold |
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| CN203869926U (en) * | 2014-06-06 | 2014-10-08 | 湖南科技大学 | Combined test model for fissure pre-forming in dynamics and statics similarity simulation test |
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| CN201628643U (en) * | 2009-12-15 | 2010-11-10 | 中国第一冶金建设有限责任公司 | Combined concrete specimen |
| CN202853954U (en) * | 2012-10-08 | 2013-04-03 | 中国科学院武汉岩土力学研究所 | Interlayer triaxial test sample preparation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490508A (en) * | 2017-08-14 | 2017-12-19 | 安徽理工大学 | A kind of semicircular ring cylinder marshal piece mould |
| CN107525703A (en) * | 2017-09-28 | 2017-12-29 | 安徽理工大学 | A kind of quick detachable asphalt marshal piece mould |
| CN109655327A (en) * | 2018-12-21 | 2019-04-19 | 河南理工大学 | A kind of device for interrupted double cracks class rock test piece |
| CN109655327B (en) * | 2018-12-21 | 2021-03-19 | 河南理工大学 | Device for intermittent double-fracture rock mass test piece |
| CN112485126A (en) * | 2020-11-23 | 2021-03-12 | 太原理工大学 | Three-dimensional simulation test system and method based on three-dimensional roadway arrangement |
| CN112485126B (en) * | 2020-11-23 | 2022-05-17 | 太原理工大学 | Three-dimensional simulation test system and method based on three-dimensional roadway arrangement |
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Application publication date: 20140903 |