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

A zigzag, structural surface technology, applied in the field of sample preparation molds for structural surface samples, can solve the problems of inability to reflect the particularity, high cost of sample preparation, unreliable results, etc. Effect

Active Publication Date: 2015-01-21
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 difficult 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 making mold and using method of the structural surface model of the direct shear test with high degree of fit of the footwall, 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 and using method
  • Sawtooth-shaped structure surface sample making mould with adjustable angle and size and using method
  • Sawtooth-shaped structure surface sample making mould with adjustable angle and size and using method

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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 connect a plurality of the connected single groove plate and the assembly of the insert plate to the elongated toothed movable plate 3 successively through the pivot pin.

[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 requi...

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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 present invention relates to a structural surface sample preparation mold with adjustable angle and size and its use method, in particular to a mold for making a sawtooth structural surface model for direct shear test and its use method, especially suitable for making upper and lower A set of saw-toothed structural surfaces that coincide with each other. 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 i...

Claims

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Application Information

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Patent Type & Authority Patents(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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