Compaction mold maker
A mold and hydraulic cylinder technology, applied in the field of rock and soil mechanics test equipment, can solve the problems of layered faults, uneven distribution of dry density and moisture content of remodeled soil test blocks, and achieve uniform distribution of dry density and moisture content, The effect of reducing the defects of the shape of the remolded soil sample, improving the accuracy and reliability of force application
Pending Publication Date: 2017-07-28
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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[0033] The embodiment of the present application provides a compaction mold maker to solve the technical problems of uneven distribution of dry density and water content of remolded soil test blocks and occurrence of layered faults in the prior art.
[0034] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application. , rather than limiting the technical solutions of the present application, the embodiments of the present application and the technical features in the embodiments can be combined without conflict.
[0035] see figure 1 and Figure 4 , a kind of compacting molding machine, comprising: self-balancing force applying frame (11, ...
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The invention belongs to the technical field of geotechnical test equipment and discloses a compaction mold maker. The compaction mold maker comprises a self-balancing force application frame, a detachable compaction cylinder and a drive element, wherein the drive element applies a static pressure to the detachable compaction cylinder through the self-balancing force application frame; the self-balancing force application frame comprises a hydraulic cylinder, a frame top plate, a frame connecting rod and a frame bottom plate; the frame top plate is connected with the frame bottom plate through the frame connecting rod to form a frame main body; the hydraulic cylinder is fixed on the frame top plate; a piston rod of the hydraulic rod extends into the frame main body; the detachable compaction cylinder comprises a base, a compaction cylinder and compaction block; the base is fixed on the frame bottom plate; the compaction cylinder pushes against the base; a first cylinder opening of the compaction cylinder is sealed through the base; the compaction block is arranged between a second cylinder opening of the compaction cylinder and a head end of the piston rod of the hydraulic cylinder; and the drive element is connected with the hydraulic cylinder. According to the compaction mold maker, uniform distribution of the dry density and the moisture content of a compacted remoulded soil sample can be ensured.
Description
technical field [0001] The invention relates to the technical field of rock and soil mechanics test equipment, in particular to a compaction mold maker. Background technique [0002] In the calculation and analysis of soil mechanics, it is often necessary to conduct triaxial or unconfined compression experiments on soil samples to measure two important strength parameters: internal friction angle and cohesion. Usually, because it is very difficult to sample the undisturbed soil, remolded soil is mostly used, that is, the sampled soil is processed and reshaped, and then the remolded soil is tested. [0003] However, in the traditional remolding soil production process, the layered one-way compaction operation is adopted, which is cumbersome; and the natural density of bentonite and other soil materials with a very small relative to the target dry density, the dry density and moisture content of the pressed test block are widely distributed. There is a gradient that decreases...
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IPC IPC(8): G01N1/28
CPCG01N1/286
Inventor 魏天宇胡大伟周辉张传庆朱勇杨凡杰卢景景王冲张帆张旺
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI