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Nonlinear Behavior of Concrete Dams Using Damage Mechanics
Publisher: American Society of Civil Engineers
Abstract: This paper presents damage-mechanics-based models for predicting the nonlinear static response of unreinforced concrete dams. An anisotropic formulation of the damage because of cracking is proposed. It leads to a reasonable ...
Static and Dynamic Behavior of Concrete Lift Joint Interfaces
Publisher: American Society of Civil Engineers
Abstract: Displacement controlled shear tests on concrete lift joint specimens with different surface preparations are conducted to compare dynamic sliding joint behavior with the static behavior. Experimental results indicate that ...
Damage to Base of LNG Tanks from Blast Loading: Case Study
Publisher: American Society of Civil Engineers
Abstract: In July 1990, a series of five blasts took place about 200 m from two liquified natural gas (LNG) tanks belonging to Gaz Metropolitain in Montreal, Canada. One of the tanks lost its thermal insulation capacity at the base ...
Seismic Behavior of Post-Tensioned Gravity Dams: Shake Table Experiments and Numerical Simulations
Publisher: American Society of Civil Engineers
Abstract: Displacement controlled shear tests on small concrete lift joint specimens with different surface roughnesses reinforced with an unbonded post-tension cable are conducted to study a related joint constitutive model, and ...
Seismic Water Pressure in Cracked Concrete Gravity Dams: Experimental Study and Theoretical Modeling
Publisher: American Society of Civil Engineers
Abstract: Water pressure variations along concrete cracks with moving walls are investigated experimentally and theoretically. Displacement control tests were conducted to measure water pressure on
Seismic Safety of Gravity Dams: From Shake Table Experiments to Numerical Analyses
Publisher: American Society of Civil Engineers
Abstract: The purpose of this paper is to present shake table experiments conducted on four 3.4-m-high plain concrete gravity dam models to study their dynamic cracking and sliding responses. The experimental results are then compared ...
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