State Key Laboratory of Geomechanics and Geotechnical Engineering;
Institute of Rock and Soil Mechanics;
Chinese Academy of Sciences;
Wuhan;
430071;
China;
Fluid Dynamics and Solid Mechanics;
Theoretical Division;
Los Alamos National Laboratory;
Los Alamos;
87545;
USA;
Key Laboratory of Geotechnical Mechanics and Engineering of the Ministry of Water Resources;
Yangtze River Scientific Research Institute;
Wuhan;
430010;
China;
Hunan University Design Institute Co.;
Ltd.;
Changsha;
410082;
China;
Shallow gas; Gas-bearing sediments; Bubbles; Mechanical behaviour; Bender element;