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RISModeling 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 ...
Dynamic Behavior and Liquefaction Analysis of Recycled-Rubber Sand Mixtures
Publisher: American Society of Civil Engineers
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 ...
Hybrid Approach for Rigid Piled-Raft Foundations Subjected to Coupled Loads in Layered Soils
Publisher: American Society of Civil Engineers
Abstract: This paper proposes an efficient hybrid approach for analysis of the responses of piled-raft foundations subjected to coupled loads (combination of vertical loads, horizontal loads, and moments) in layered soils. The ...
Hybrid Method for Predicting the Response of a Pile-Raft Foundation to Adjacent Braced Excavation
Publisher: ASCE
Abstract: With the increasing development of underground spaces in cities, a critical indicator for the design of excavation in urban areas is controlling the damage potential of adjacent buildings. Unfortunately, the design of ...
Undrained Stability Analysis of a Plane Strain Circular Tunnel Using Streamline Velocity Fields
Publisher: American Society of Civil Engineers
Abstract: A new failure mechanism established from a streamline velocity field with energy dissipation through an internal deformable zone and the velocity discontinuity at its boundary is proposed. The application of the developed ...