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Manufacturing method of lamellar anisotropic rock similar material

A technology with similar materials and production methods, applied in the field of rock exploration, can solve the problems of high acquisition cost of anisotropic rock mass, prone to geological disasters, weak mechanics, etc., so as to reduce acquisition difficulty and acquisition cost, reduce acquisition difficulty and make simple effect

Inactive Publication Date: 2018-12-21
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The complex structure of anisotropic rock mass is often a mechanical weak point, and geological disasters are more likely to occur, so the research on its deformation is very necessary, but the acquisition cost of anisotropic rock mass is high and difficult

Method used

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  • Manufacturing method of lamellar anisotropic rock similar material
  • Manufacturing method of lamellar anisotropic rock similar material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method for manufacturing similar materials of layered heterogeneous rock mass, comprising the following steps:

[0023] (1) Two kinds of cement with labels of 325 and 425 are used, and each cement is mixed with river sand and water according to the mass ratio of cement: river sand: water = 0.8: 1.8: 0.30 to make 325 cement respectively Two kinds of cement mortar materials with 425 cement;

[0024] (2) The 325 cement mortar material and the 425 cement mortar material are evenly poured into two layers in the mold along the vertical direction, and the order from top to bottom is 325 cement mortar material and 425 cement mortar material, and put them into a 35°C temperature and humidity curing box Demoulding after 40 hours;

[0025] (3) Put the model in an incubator at 18°C ​​for 25 days to form.

[0026] The model of similar materials of layered heterogeneous rock mass prepared by the above steps is cut perpendicular to the layer into Cylindrical specimens were subje...

Embodiment 2

[0029] A method for manufacturing similar materials of layered heterogeneous rock mass, comprising the following steps:

[0030] (1) adopt five kinds of cement that label is 325,425,525,625 and 725, each kind of cement is cement according to mass ratio: river sand: the ratio of water=1:2:0.35 mixes with river sand and water, Make five kinds of cement mortar materials containing 325 cement, 425 cement, 525 cement, 625 cement and 725 cement respectively;

[0031] (2) 325 cement mortar material, 425 cement mortar material, 525 cement mortar material, 625 cement mortar material and 725 cement mortar material are evenly poured into five layers in the mold along the vertical direction, and the order from top to bottom is 325 cement mortar Materials, 425 cement mortar materials, 525 cement mortar materials, 625 cement mortar materials and 725 cement mortar materials, put them in a temperature and humidity curing box at 38°C for 48 hours before demoulding;

[0032] (3) Put the model ...

Embodiment 3

[0035] A method for manufacturing similar materials of layered heterogeneous rock mass, comprising the following steps:

[0036] (1) Adopting three kinds of cements whose labels are 325, 425 and 825, each cement is mixed with river sand and water according to the mass ratio of cement: river sand: water = 1.2: 2.2: 0.4, respectively made into Three cement mortar materials of 325 cement, 425 cement and 825 cement;

[0037] (2) The 325 cement mortar material, 425 cement mortar material and 825 cement mortar material are evenly poured into three layers in the mold along the vertical direction, and the order from top to bottom is 325 cement mortar material, 425 cement mortar material and 825 cement mortar material Materials, placed in a 45°C temperature and humidity curing box for 60 hours before demoulding;

[0038] (3) Put the model in an incubator at 25°C for 35 days to form.

[0039] The model of similar materials of layered heterogeneous rock mass prepared by the above steps...

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Abstract

The invention discloses a manufacturing method of a lamellar anisotropic rock similar material, and belongs to the technical field of rock surveying. Common cement, river sand, water and other raw materials are casted into a mould so as to form a mold, the lamellar anisotropic rock similar material is manufactured and is then cut into an international-standard cylinder sample, and a triaxial testis carried out. The manufacturing method is simple and fast, the materials are wide in source, low in cost and good in forming effect, and the rock parameters can be adjusted conveniently.

Description

technical field [0001] The invention relates to the technical field of rock surveying, in particular to a method for making similar materials of layered heterogeneous rock masses. Background technique [0002] Rock mass anisotropy refers to the characteristics that the rock's bedding, schistosing, interlayer and directional fracture system make the properties of the rock vary with the direction. There are two types of anisotropy in rocks: one is caused by the existence of micro-cracks and their arrangement and distribution in different directions, that is, layered anisotropy rock mass. This anisotropy will increase with the stress of rock The other is caused by the directional arrangement of rock particles, that is, agglomerate heterogeneous rock mass, and the anisotropy of this rock will not change with the stress of the rock. [0003] At present, the research on rock anisotropy is one of the important topics in the fields of engineering exploration and development, earthq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/16B28B11/24C04B28/00
CPCB28B1/16B28B11/24C04B28/00C04B14/06C04B22/002
Inventor 崔圣华向国萍吴昊宇李海潮
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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