Experimental method and apparatus for shearing of structural surface of columnar jointing
A columnar joint and experimental device technology, applied in the field of rock mechanics, can solve the problems of difficult positioning of irregular joint surfaces, and achieve the effects of simple structure, easy positioning and convenient operation.
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[0020] An experimental device for shearing of columnar joint structural planes, including an upper shear box 1 (150mm×150mm×75mm) and a lower shear box 2 (150mm×150mm×75mm), and five vertical The screw port 3 can be inserted into the vertical screw 4, and the preliminary adjustment of the columnar joint rock blocks of different sizes can be realized through screws of different lengths (2cm, 4cm, 6cm, 8cm); five horizontal screw ports 5 are distributed at both ends of the lower shear box, The adjustment rod 6 can be inserted, and the diameter of the horizontal screw port 5 is slightly larger than the diameter of the adjustment rod 6, so that the adjustment rod 6 can be removed after the adjustment is completed. By rotating the adjustment rod 6, the thread on the adjustment rod 6 and the vertical screw 4 can be realized. The rotation between them can realize the fine-tuning of the position of the rock block, so that the structural surface is located in the shear joint (the height...
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