Abstract:Cracks may appear in civil engineering structures, such as buildings, the body of a dam, its galleries, adjoining tunnels, and power plants during or after construction. Swelling or poor soils in the foundations, redistribution of stresses in the tunnels, creep of the materials, earthquakes or other vibrations are just a few reasons for cracks. The relative movements of the walls along and across the crack, and perpendicular to the plane of cracking surface or wall, beyond certain limits, may prove to be damag… Show more
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