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Rational permeability coefficient of a permeable lining for composite tunnel lining structures
tunneling engineering deeply-buried tunnel composite lining structure concrete permeable lining grouting circle parameter permeability coefficient reasonable value
2018/5/11
Various factors influence the tunneling are simplified considering the axial symmetry of the composite lining structure. The analytical expressions for the seepage field，stress，and displacement in the...
Research on the Relief Degree of Land Surface (RDLS) Calibration Coefficient of Highway in Plateau Mountainous Area
Least Square Method (LSM) RDLS RDLS Calibration Coefficient Regression Model Traffic Engineering
2011/12/20
Different reasons leaded to highway circuitous between plateau mountainous area and plain lightly undulate area were analyzed. The main reason which leaded to highway circuitous is the RDLS was conclu...