作者: Erik J. Nelson

JOHN D. NELSON, has over 50 years of geotechnical engineering experience with emphasis in expansive soils.??He is Professor Emeritus of Civil Engineering at Colorado State University, and Principal Engineer at Engineering Analytics, Inc. KUO CHIEH CHAO, has over 20 years of geotechnical experience in foundation design and construction on expansive soils. He is Vice President of Engineering Analytics, Inc. and Adjunct Professor at Colorado State University. DANIEL D. OVERTON, has over 30 years of geotechnical engineering experience including foundation design for expansive soils. He is President of Engineering Analytics, Inc. and a Faculty Affiliate at Colorado State University. ERIK J. NELSON, has over 30 years of experience in geotechnical engineering, foundation design, and forensic investigations for expansive soils. He is Vice President at Engineering Analytics, Inc.