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Open type soil sampler

An open-type technology of soil fetcher, which is applied in the field of open-type soil fetcher, can solve the problems of reduced accuracy of soil sample detection, partial disturbance of sample soil, structural damage, etc., to save materials, reduce the number of probes, and improve the connection strength. big effect

Pending Publication Date: 2022-03-18
CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
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Problems solved by technology

[0004] However, the water content test sensor of the earth taker is directly inserted into the sample soil for detection, and the sample soil will be disturbed by the water content test sensor, thereby destroying the structure, and the disturbed sample soil and the undisturbed sample soil are both in the thin-walled container. It is difficult to separate the two, so that the part of the sample soil that is finally sealed and transported to the laboratory is disturbed, resulting in a decrease in the accuracy of other subsequent tests on the sample soil

Method used

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Embodiment Construction

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the specific technical solutions of the present application will be further described in detail below in conjunction with the drawings in the embodiments of the present application. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0041] In the embodiments of the present application, the terms "first" and "second" are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0042] In addition, in the embodiments of t...

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Abstract

The embodiment of the invention discloses an open type soil sampler, relates to the technical field of geotechnical engineering investigation, and solves the problem that a sample is disturbed while the water content of the soil sample is tested in situ. The open type soil sampler comprises a base, a detection assembly and a sample soil pipe, the base is used for being connected with a drill rod, the detection assembly is fixed to the base and comprises a detection soil pipe and a detection probe, the detection probe is located in the detection soil pipe, and the length of the detection probe in the extension direction of the detection soil pipe is smaller than that of the detection soil pipe; the sample soil pipe is detachably connected to one end, far away from the base, of the detection soil pipe and is used for sampling sample soil. The open type soil sampler is used for sampling a soil sample and measuring the water content of soil.

Description

technical field [0001] The embodiments of the present application relate to but are not limited to the field of geotechnical engineering investigation, and in particular, relate to an open-type soil borrower. Background technique [0002] Geotechnical engineering survey refers to the activities of ascertaining, analyzing and evaluating the geological and environmental characteristics and geotechnical engineering conditions of the construction site according to the requirements of the construction project, and compiling survey documents. Soil samples are tested indoors to determine the physical and mechanical parameters of soil in each soil layer, among which the water content of soil samples is a basic index, which has an important impact on the physical and mechanical properties of soil. [0003] In the soil fetcher of the related art, a water content test sensor is fixed on the upper end of the thin-walled device for taking soil samples, and the lower end of the ring-type ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08G01N27/22
CPCG01N1/08G01N27/223G01N27/226G01N27/221
Inventor 董同新程昊孙红林熊大生廖进星郭建湖陈尚勇刘府生张占荣黄俊杰余超明何玉波吕小宁涂启柱
Owner CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
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