Active Fault Dislocation-Induced Mechanical Response of Polyurethane-Solidified Track in Tunnels.

With the increase in fault dip angle, the maximum tensile and compressive stresses in each component of the prefabricated wide sleeper polyurethane-solidified track bed show an increasing trend: When the dip angle of the active fault zone increases from 45° to 75°, the maximum tensile stress of the rail increases to 1.15 times and 1.38 times, respectively, and the maximum compressive stress increases to 1.59 times and 2.53 times, respectively; the maximum tensile stress of the wide sleepe

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With the increase in the width of the active fault zone, the maximum lateral deformation of the rail shows a decreasing trend.

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