云南省祥(云)-临(沧)公路红土坡隧道变形原因及加固方案
운남성상(운)-림(창)공로홍토파수도변형원인급가고방안
Cause of deformation and reinforced methods of Hongtupo tunnel on Xiang-lin(Xianyun-Lincang) Highway in Yunnan Province