Temperature-controlled permeameter and experimental method thereof

Abstract

The invention discloses a temperature-controlled permeameter and an experimental method thereof, related to geotechnical testing technology in the field of geotechnical engineering. The temperature-controlled permeameter includes an object to be tested, that is, a sample (00); the temperature-controlled permeameter is provided with a temperature control device (10), a permeating device (20) and ameasuring device (30); the sample (00) is placed in the permeating device (20); the permeating device (20) is placed in the temperature control device (10); and the measuring device (30) is connectedto the permeating device (20) to measure a seepage flow. The experimental method of the temperature-controlled permeameter comprises the following steps of: (1) loading the sample; (2) controlling temperature; and (3) measuring a permeability coefficient. Compared with the prior art, the invention adopts a temperature control device to realize temperature control, which can be used for studying the influence of temperature on the permeability of saturated soil; the measuring device uses data acquisition, which greatly reduces manpower and improves the test accuracy; the operation is easy, theinstallation and testing are convenient, and the practicability is good; and the temperature-controlled permeameter is suitable for saturated soil test under temperature control conditions.

Description

technical field [0001] The invention relates to geotechnical test technology in the field of geotechnical engineering, in particular to a temperature-controlled permeameter and an experimental method thereof. [0002] Specifically, according to the specific engineering conditions, the permeability characteristics of saturated soil in different temperature environments are tested, and the influence of different temperature effects on the permeability of saturated soil is studied. Background technique [0003] Temperature affects the hydraulic properties of soil such as liquid-plastic limit, expansibility, and permeability. For soils with different properties, the difference in this effect is often greater. At present, domestic scholars focus on the influence of heat island effect on soil properties, the influence of high temperature on the properties of compacted bentonite and other materials during the disposal and storage of nuclear waste and radioactive materials, and the ...

AI Technical Summary

Problems solved by technology

[0004] The permeability coefficient considering temperature is generally obtained indirectly from the volume change of soil pore water or the consolidation compression curve. It is impossible to directly measur

Images