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RISSemi-Active Static Output Feedback Variable Structure Control for Two-Stage Vibration Isolation System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A semi-active static output feedback variable structure control (VSC) strategy is presented to control a two-stage vibration isolation system in this paper. A continuous output feedback VSC ...
Restrained Torsion of Thin-Walled Beams
Publisher: American Society of Civil Engineers
Abstract: A first-order torsion formulation for closed thin-walled (CTW) beam subjected to restrained torsion is developed to consider the warping deformation and restrained shear stresses on cross section and their effect on the ...
Investigation of the Effect of Pavement Albedo on Urban Temperature Using Computational Fluid Dynamics Simulation
Publisher: ASCE
Abstract: This paper investigated the effect of the changed albedo of colored pavement on the urban temperature. The surface albedo of different conventional and colored pavement slabs was measured in the laboratory. Numerical ...
Modeling of Grout Returned Height for Postgrouting at Pile Tip Considering the Soil Unloading and Time-Dependent Behavior of Cement Viscosity Effects
Publisher: ASCE
Abstract: Postgrouting at the pile tip can improve the behavior of pile shaft resistance through the grout returned along the pile shaft. The soil radial unloading effect that existed in the bored pile shaft soil and the cement ...
Theoretical and Experimental Study on Elastic–Plastic–Sliding Load Transfer Model for Pile Tip and Pile Side Postgrouting Piles
Publisher: American Society of Civil Engineers
Abstract: An elastic–plastic–sliding trilinear load transfer model is established for grouted piles. This model summarizes the resistance–displacement relationships at both the side and tip of the pile, describing the transition ...
Theoretical Analysis of Pile Tip and Pile Side Compaction Grouting and Grout Diffusion Height Considering Unloading Effect
Publisher: American Society of Civil Engineers
Abstract: This study introduces a unified cylindrical and spherical cavity reverse expansion model to simulate the formation of compaction grouting bodies and grout diffusion along pile shafts. Stress field expression employs the ...
Modeling of Compaction Grouting Considering the Soil Unloading Effect
Publisher: ASCE
Abstract: Previous studies have given little consideration to the influence of the soil unloading effect on compaction grouting. The theoretical relationship model between the soil unloading degree and the soil deformation modulus ...
Spherical Permeation Grouting Model of a Power-Law Fluid Considering the Soil Unloading Effect
Publisher: ASCE
Abstract: Previous studies have given little consideration to the influence of soil unloading effect on permeation grouting. A spherical permeation diffusion model considering the influence of soil unloading effect was established ...
Analysis of Drained Cavity Unloading–Contraction Considering Different Degrees of Intermediate Principal Stress with Unified Strength Theory
Publisher: ASCE
Abstract: Since previous studies give little consideration to the influence of different intermediate principal stresses in the cavity contraction problem, the unified strength theory (UST) is introduced into cylindrical cavity ...