Environmental geotechnical piezocone penetration test probe capable of extracting gas samples and gas sample extracting method
A pore pressure static penetration and gas sampling technology, which is applied in the field of foundation soil survey, construction, infrastructure engineering, etc., and can solve the problem of not having the function of sampling.
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[0019] The environmental pore pressure static penetrating probe capable of taking gas samples of the present invention includes: a cable 1, a pore pressure sensor 2, a hollow cylindrical probe rod 3, a small hose pump 4, a sampling container 5, an O-ring 6, a belt polymer Probe rod of propylene porous filter net 7, copper threaded open connector 8, three-component geophone 9, inclinometer 10, side wall friction cylinder 11, temperature sensor 12, pore pressure filter ring 13, cone probe 14, seal Cover 15.
[0020] There is a cable 1 outlet on the top of the probe, and a sealing cover 15 is separately provided on the top. The outer circumference of the upper half is a hollow cylindrical probe rod 3. Inside the probe rod is a pore pressure sensor 2. Inside the hollow cylindrical probe rod 3 A small hose pump 4 and a sampling container 5 are respectively provided, and the two are connected. In the middle section of the probe, a probe rod 7 with a porous polypropylene filter is pr...
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