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RISStatic Liquefaction of Sands under Isotropically and K0-Consolidated Undrained Triaxial Conditions
Publisher: American Society of Civil Engineers
Abstract: By using the state-dependent strength criterion and dilatancy function, a state-dependent nonassociated elastoplasticity hardening model was proposed to unify modeling the constitutive relationships of sands with different ...
Modeling of Thermomechanical Effects of Alkali-Silica Reaction
Publisher: American Society of Civil Engineers
Abstract: In this paper, a nonlinear continuum theory is applied to model the thermomechanical behavior of concrete subjected to alkali-silica reaction. The reaction results in formation of silica gel around the aggregate particles, ...
Interpretation of Undrained Hollow Cylinder Shear on Natural Shanghai Soft Clay Using Three-Dimensional Constitutive Model
Publisher: ASCE
Abstract: The mechanical response of natural clays can exhibit significant directional dependence due to loading history and layered soil structure. We report an experimental investigation of the stress–strain-strength response of ...
Analytical Three-Dimensional Mechanism for Stability of Slurry Trenches in Cohesive Soils
Publisher: ASCE
Abstract: This paper presents an analytical three-dimensional rotational mechanism for the limit analysis on the overall stability of slurry trenches in layered cohesive soils. The proposed mechanism differs from the traditional ...
Simplified Mechanism for Evaluating the Basal Stability of Narrow-Deep Excavation in Nonhomogeneous Clay
Publisher: American Society of Civil Engineers
Abstract: The limit analysis method is extensively used in basal heave stability analysis of deep excavations. However, the quality of the safety factor determination by this method is significantly affected by the chosen failure ...
Dynamic Behavior and Liquefaction Analysis of Recycled-Rubber Sand Mixtures
Publisher: American Society of Civil Engineers
Microtubular Hard Carbon Derived From Willow Catkins as an Anode Material With Enhanced Performance for Sodium-Ion Batteries
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As a kind of common bio-waste, willow catkin is of no economic value. But it is surprising that it can be an ideal carbonaceous source and bio-template for electrode materials of lithium-ion batteries and supercapacitors. ...
Length Scales Interaction in Nonlocal Plastic Strain Localization of Bars of Varying Section
Publisher: American Society of Civil Engineers
Abstract: In computational mechanics, strain softening generates ill-posed boundary value problems, which cannot be solved without being regularized, e.g., through the introduction of an internal length scale. This paper investigates ...
Complex Variable Solution for Twin Tunneling-Induced Ground Movements Considering Nonuniform Convergence Pattern
Publisher: ASCE
Abstract: The construction of twin tunnels in crowed urban cities requires tunnel excavations in close proximity to one another, in which the interaction between tunnels significantly affects the ground movements generated by ...
Discretization-Based Kinematic Approach for Three-Dimensional Stability Analysis of Slurry Trenches in Cohesive–Frictional Soils
Publisher: ASCE
Abstract: Although trench failures observed in the field clearly show three-dimensional (3D) characteristics, the stability analyses of slurry-supported trenches are typically carried out under plane-strain assumptions. The factor ...