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Mechanism of Elastic–Plastic Crack Initiation in Unsaturated Rock Cracks under Gas–Ice Pressure at Low Temperatures
Publisher: American Society of Civil Engineers
Abstract: While analyzing the frost heaving and cracking of rock mass in cold regions, it is generally assumed that the cracks are fully saturated. However, rock mass cracks are often in an unsaturated state in actual engineering ...
Dynamic Response of Tunnels Surrounded by Thawing Permafrost with Anisotropic Frost Heave in Cold Regions: Considering the Movement of the Frozen Interface
Publisher: American Society of Civil Engineers
Abstract: This paper considers the anisotropic frost heave that occurs in frozen soils during thawing and investigates the dynamic response of tunnel systems in such regions to a uniformly distributed load. The phase change of ice ...
Mechanical Properties of Glass FRP Bars with Aluminum Alloy Ribs Anchorage
Publisher: American Society of Civil Engineers
Abstract: An experimental campaign was undertaken to characterize the mechanical properties of newly proposed aluminum alloy ribs (ARs)-anchored glass fiber–reinforced polymer (GFRP) bars via tensile, short beam shear and pullout ...
Strength of Recompacted Loess Affected by Coupling between Acid–Base Pollution and Freeze–Thaw Cycles
Publisher: ASCE
Abstract: To study how the coupling between acid–base pollution and freeze–thaw cycles (FTCs) affects the shear-strength properties of recompacted loess, soil specimens are subjected to direct shear tests after FTCs. The experimental ...