Crack prefabrication device and crack making method
A fissure and fissure zone technology, applied in the field of mining machinery, can solve problems such as reducing the stability of surrounding rock, and achieve the effect of low cost and high efficiency
Active Publication Date: 2018-09-11
ANHUI UNIV OF SCI & TECH
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Problems solved by technology
[0002] At present, when a large number of underground caverns, mines, slopes and related projects are being excavated and supported, the joints will expand and evolve, reducing the stability of the surrounding rock
Method used
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[0029] like Figure 1 ~ Figure 3 As shown, the slit prefabrication device of the present invention includes a plurality of slit plates 1, a slit plate carrier 9, and a slit plate fixing box. The slit plate fixing box includes a horizontally arranged fixing rod 2, and a plurality of through holes 3 are arranged on the fixing rod 2. Two of the through holes 3 are movably connected with a slideway 4. The slideway 4 is a hollow tubular structure. The angle fixing buckle 5 is used to connect the slideway 4 and the through hole 3. The two ends of the slideway 4 are respectively at fixed angles. The upper and lower parts of the buckle 5, and the slideway 4 can rotate freely in the left and right directions with the angle fixed buckle 5 as the axis;
[0030] The slit piece carrier 9 is elongated, on which a plurality of slit piece fixing buckles 6 are arranged, the number of which is consistent with the number of the through holes 3, and the slit piece 1 is movably connected to the sl...
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Abstract
The invention discloses a crack prefabrication device. The crack prefabrication device comprises a plurality of cracked sheets (1), a cracked sheet carrier and a cracked sheet fixing box, the crackedsheet fixing box comprises a horizontally arranged fixing rod (2), the fixing rod (2) is provided with a plurality of through holes (3), slide ways (4) are movably connected at two of the through holes (3), angle fixing buckles (5) are connected between the slide rails (4) and the through holes (3), the slide rails (4) can freely rotate in a left-right direction with the angle fixing buckles (5) as an axis, the cracked sheet carrier is elongated, and is provided with a plurality of cracked sheet fixing buckles (6), the number of the cracked sheet fixing buckles (6) is same to the number of thethrough holes (3), and the cracked sheets (1) are movably connected to the cracked sheet fixing buckles (6). The crack prefabrication device has the advantages of simple structure, low cost and simplicity in operation.
Description
technical field [0001] The invention relates to the field of mining machinery, in particular to a crack prefabrication device used in a similar simulation system and a method for making cracks using the device. Background technique [0002] At present, when a large number of underground caverns, mines, slopes and related projects are being excavated and supported, the joints will expand and evolve, reducing the stability of the surrounding rock. In order to effectively limit the progressive failure of fractured rock mass, it is necessary to study the three-dimensional crack propagation mechanism of multi-fractured rock mass, establish corresponding analysis methods, and apply the results to the stability evaluation of large rock mass engineering such as underground caverns and slopes In this regard, it is very necessary to prefabricate cracks in the three-dimensional similar simulation experiment materials, and then study the three-dimensional crack propagation process and r...
Claims
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IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 庞冬冬姜海峰王晓梅魏凯杜晓妍张易常雨梦
Owner ANHUI UNIV OF SCI & TECH