TY - GENERIC DO - 10.20944/preprints202304.0913.v1 UR - http://dx.doi.org/10.20944/preprints202304.0913.v1 TI - Experimental Study on Expansive Soil Improved by Lignin and Its Derivatives T2 - Preprints AU - Cai, Yi AU - Ou, MingXi PY - 2023 DA - 2023/04/25 PB - Preprints