In the paper, based on the technology of remote sensing and geographic information system, and according to the Landsat ......

　　Swelling deformation of expansion soil due to moisture absorption often leads to safety problems of engineering.Taki......

配制出了强度性能和工作性能良好的膨胀混凝土，研究了该种钢管膨胀混凝土的力学性能，分析了钢管限制条件下核心混凝土的膨胀模式。研......