@article{ZHANG De-heng_128, author = {[ZHANG De-heng, SUN Shu-lin, XU Fen-qiang]}, title = {Experimental Research on Three-dimensional Swelling Characteristics of Expansive Soil Improved with Straw Ash}, publisher = {Journal of Yangtze River Scientific Research Institute}, year = {2014}, journal = {Journal of Yangtze River Scientific Research Institute}, volume = {31}, number = {10}, eid = {128}, pages = {128-133}, keywords = {expansive soil; straw ash; three-dimensional free volume strain; swelling pressure; UCS}, doi = http://ckyyb.crsri.cn/EN/10.3969/j.issn.1001-5485.2014.10.020 }