由陕西省岩石力学与工程学会、陕西省黄土力学与工程重点实验室和西安理工大学岩土工程研究所联合举办的报告会于2002年10月12日在西安理工大学举行，由焦五一先生报告了弦线模量计算黄土和软土地基下沉和黄土陷的机理和实践效果以及用液限反映土性微结构定量指标对计算的进一 The report conference jointly organized by Shaanxi Institute of Rock Mechanics and Engineering, Key Laboratory of Loess Mechanics and Engineering of Shaanxi Province and Institute of Geotechnical Engineering of Xi’an University of Technology was held on October 12, 2002 in Xi’an University of Technology. Mr. Jiao Wuyi Reported the chord modulus calculation of loess and soft ground subsidence and loess subsidence mechanism and practical effect and the use of liquid limit to reflect quantitative indicators of soil microstructure into a