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RISDiscussion of “Empirical Estimation of Pore Size Distribution in Cement, Mortar, and Concrete” by Fuyuan Gong, Dawei Zhang, Evdon Sicat, and Tamon Ueda
Publisher: American Society of Civil Engineers
Structural Synthesis of Serial-Parallel Hybrid Mechanisms Based on Representation and Operation of Logical Matrix
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a systematic approach on structural synthesis of serial-parallel hybrid mechanisms from the point of displacement group theory and mathematical logic. The hybrid mechanisms can ...
Uniform Model for Moisture Transport in Porous Materials and Its Application to Concrete at Selected Chinese Regions
Publisher: American Society of Civil Engineers
Abstract: The present study investigates the mechanisms of moisture transport in porous materials. For partially saturated porous materials, moisture transport relies on both the Darcian flow by capillary pressure gradient and the ...
Design of a Novel 4-DOF Kinematotropic Hybrid Parallel Manipulator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a novel 4-DOF kinematotropic hybrid parallel manipulator. The topological structure allows for the realization of two translatory and two rotary output motions. Both the ...
Topological Structural Synthesis of 4-DOF Serial-Parallel Hybrid Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper analyzes the basic forms of 4-DOF spatial motions through the introduction of logical propositions for the topological structural synthesis of multiloop hybrid spatial mechanisms. The ...
Ductile Concrete Columns Enabled by Multilayer Basalt TRM Shells: Confinement Mechanism and Modeling
Publisher: ASCE
Abstract: One typical application of textile-reinforced mortar (TRM) is as a confining material for concrete. The compressive behavior of TRM-confined concrete is often predicted by referring to the models of fiber-reinforced polymer ...
Simulation Analysis on the Influence Factors of Erosion Damage of Typical Elbows in Gathering and Transportation Pipelines
Publisher: American Society of Civil Engineers
Abstract: In this paper, the erosion damage problem of typical elbows of gathering and transportation pipelines was studied. The calculation model of wall erosion damage of natural gas pipe was established by solving the turbulence ...
Electrical Resistivity of Cement Pastes Undergoing Cyclic Freeze-Thaw Action
Publisher: American Society of Civil Engineers
Abstract: This study presents the electrical resistivity responses of saturated cement pastes undergoing cyclic freeze-thaw (F-T) action. An ordinary cement paste (OPC) and a blended paste (CS) containing ground granulated blast-furnace ...
Postpeak Stress–Strain Behavior of High-Strength Concrete under Different FRP Confinement Stiffness Ratios
Publisher: ASCE
Abstract: The ratio of fiber-reinforced polymer (FRP) confinement stiffness to concrete strength (confinement stiffness ratio) has been widely accepted to determine the postpeak stress‒strain behavior of FRP-confined concrete. It ...
Confinement Mechanism of Basalt TRM-Confined Concrete: The Role of the Mortar Matrix
Publisher: American Society of Civil Engineers
Abstract: Textile-reinforced mortar (TRM) confinement enhances the compressive strength and ultimate axial strain of concrete. This research investigated the confinement mechanism of TRM, focusing on the role of the mortar matrix. ...