Sawtooth-shaped structure surface sample making mould with adjustable angle and size

A technology of jagged and structural surfaces, applied in the field of structural surface sample preparation molds, can solve the problems of inability to reflect particularity, high sample preparation costs, unreliable results, etc., and achieve material saving, quick use of costs, and wide application Effect

Active Publication Date: 2014-03-19
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the shortcomings of the existing rock structural surface, such as difficulty in sampling on site, high cost of sample preparation, unreliable results and inability to reflect particularity, and provide a kind of convenient operation, high precision, fast speed, especially capable of making, The production mold of the direct shear test structural surface model of the footwall with high degree of fit, multi-scale and various undulation angles, and heterogeneity of the upper and lower walls

Method used

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  • Sawtooth-shaped structure surface sample making mould with adjustable angle and size
  • Sawtooth-shaped structure surface sample making mould with adjustable angle and size
  • Sawtooth-shaped structure surface sample making mould with adjustable angle and size

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Experimental program
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Effect test

Embodiment 1

[0033] Embodiment 1: A structural surface sample preparation mold with adjustable angle and size provided by the present invention, its overall structure is as follows figure 1 As shown, the mold adopts a modular design, including a positioning base 1, a mold outer frame 2 and a toothed movable plate 3. The positioning base 1 is a stainless steel rectangular frame, see figure 1 , 2 6. The side of the positioning base is provided with a positioning scale 4, and the upper surface of the positioning base is provided with a whole row of toothed grooves 6, and both sides of the outer ring of the whole row of toothed grooves are provided with concave stops 5; Board 3 is composed of a plurality of flexible slot boards and plug-in boards connected together, see Figure 4 , 5, 6, the slot plate 9 in the described assembly is a hollow rectangular slot with an open end, one side of the slot plate is provided with two screw holes, the other end of the slot plate is provided with a slot ...

Embodiment 2

[0037] Embodiment 2: Using the method of sample preparation mold for structural surface sample with adjustable angle and size provided in Embodiment 1, the specific operation steps are as follows:

[0038] Step 1. Before using the mold of the present invention to make the test model, first determine the undulating angle and size of the structural surface to be tested, fix the positioning base 1 on the horizontal table or the ground, and connect the single slot plate and insert plate assembly , and then the single assembly and the assembly are sequentially connected by pivot pins to form a long toothed movable plate 3 of multiple assemblies.

[0039] Step 2. According to the adjusted structural surface undulation angle and size of the positioning scale 4 on the outside of the positioning base 1, adjust the position of each inserting plate in the toothed movable plate 3 and the inserting plate in the slot plate assembly in order to achieve The required undulation angle and size ...

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Abstract

The invention relates to a sawtooth-shaped structure surface sample making mould with adjustable angle and size. The sawtooth-shaped structure surface sample making mould comprises a locating base, a mould outer frame and a tooth-shaped movable plate, wherein the locating base is a rectangular frame body provided with a locating ruler, the whole row of tooth-shaped grooves are formed in the upper surface of the locating base, indent spigots are formed in two sides of an outer ring of each tooth-shaped groove, the tooth-shaped movable plate is formed by the connection of a plurality of combined members of telescopic groove plates and insertion plates, the insertion plates are fixed in the groove plates, the tooth-shaped movable plate is arranged in the tooth-shaped groove of the locating base through a groove plate connecting hinge, and the mould outer frame covers the outside of the tooth-shaped movable plate and is arranged on the locating base. A use method of the mould comprises the steps of determining a fluctuation angle and size of a structure surface to be tested, connecting the single combined member of the groove plate and the insertion plate, connecting the combined members into the tooth-shaped movable plate, installing the tooth-shaped movable plate and the mould outer frame, coating the mould with a demoulding agent, pouring a sample, maintaining and demoulding to obtain a required structure surface; and repeatedly executing the steps multiple times to obtain a plurality of structure surfaces. The mould is simple in structure and convenient and rapid in operation.

Description

technical field [0001] The invention relates to a structure surface sample preparation mold with adjustable angle and size, in particular to a mold for making a zigzag structure surface model for direct shear tests, especially suitable for making a set of upper and lower plates matching each other Serrated surface. Background technique [0002] Rock structural planes are geological interfaces with different origins and characteristics in the rock mass. The existence of structural planes destroys the continuity and integrity of the rock mass. It is precisely because of the existence of structural planes that landslides often occur on rock slopes. Disasters and accidents, so the study of structural planes in rock mass is the key to solving the problem of rock slope stability. [0003] The shear strength of the structural plane greatly affects the stability of the rock mass and is an important reference index in engineering design. In the traditional direct shear test, the st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 李长冬王姣张永权梁德明刘昕旺廖伟代先尧吴丹丹
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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