Ultra-soft soil test soil sample preparation device and application method

• Main Authors: PAN KUN, ZHU CHEN, LU YUHUA, CHEN ZHIJUN, PAN XIAODONG, DAI LONGHAI, TAO HAIBING, LYU BIN
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a soil sample preparation device for an ultra-soft soil test. The soil sample preparation device comprises a three-valve type soil sampler and a rotary soil cutting mechanism, the three-valve type soil sampler comprises a pedal and hand-held connecting rod and a sampling part, the pedal and hand-held connecting rod is provided with a connecting rod main body, a handle is arranged at the upper part of the connecting rod main body, and a pedal is arranged at the lower part of the connecting rod main body; the sampling part is detachably arranged at the bottom of the connecting rod main body and is provided with a sampling cavity with a bottom opening; the rotary soil cutting mechanism comprises a rotary cutting top cap, a three-valve type soil sample sleeve and a rotary cutting base which are sequentially and coaxially sleeved together; the three-valve type soil sample sleeve is a spliced hollow sleeve with two open ends; a first cutting line is arranged in the rotary cutting top cap; th