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Substructural Identification of Flexural Rigidity for Beam-Like Structures
Published 2015-01-01“…This novel method is also rigorously investigated by applying it for estimating the flexural rigidity of a simply supported beam model with different boundary conditions, a concrete plate-girder bridge model with different length of an internal substructure, a cantilever-type wind turbine tower structure with different type of excitation, and a steel box-girder bridge model with internal structural damages.…”
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3944
PRECISION COMPARISON METHOD OF EXPANSION DESIGN FORMULA APPLIED RANGE
Published 2018-01-01“…Based on 52 groups of measured burst pressure of steel wall single-layer cylinder,the precision of mid-diameter formula with the Tresca formula was compared,and the application of formulas was extended according to the principle of no precision reduction. …”
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3945
DBEM crack propagation for nonlinear fracture problems
Published 2015-09-01“…In correspondence of the latter loading condition, a crack propagation is also simulated, with the crack growth rates calculated using the NASGRO3 formula, calibrated for the material under analysis (steel ASTM A469). The J-integral and COD approaches are selected for SIFs calculation in DBEM environment, where the crack path is assessed by the minimum strain energy density criterion (MSED). …”
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Performance of reinforced concrete flat slabs having GFRP gratings
Published 2024-01-01“…Experimental results, including crack patterns, slab deflection, concrete compressive strain, tensile steel strain, GFRP grating strain, and failure load, were recorded using extensive electric instrumentation. …”
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3948
DEM Simulation of Biaxial Compression Experiments of Inherently Anisotropic Granular Materials and the Boundary Effects
Published 2013-01-01“…To verify the DEM models, two series of biaxial compression tests on ellipse-shaped steel rods are used. The comparisons on the stress-strain relationship, strength, and deformation pattern of experiments and simulations indicate that the DEM models are able to capture the key macro- and micromechanical behavior of inherently anisotropic granular materials with high fidelity. …”
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3949
Experimental Study on the Influence of Lubrication Condition on Scuffing Damage of Gear Under Low Speed and Heavy Load
Published 2021-05-01“…In order to study the influence of lubrication conditions on the scuffing damage of gear under low speed and heavy load, the meshing of gear teeth is simulated by a pair of ring specimens in rolling and sliding contact, and the scuffing tests of 18CrNiMo7-6 carburized steel gear material under different lubrication conditions are carried out on MJP-30A rolling wear testing machine. …”
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Time Scale of Chloride-Induced Corrosion on Circular Section RC Linked Accelerated Test to Natural Corrosion
Published 2021-01-01“…An accelerated corrosion test (ACT) was carried out on RC specimens were conducted under different chloride concentrations and applied voltages, with the information of steel measured. A novel prediction model of the complete corrosion process is proposed to evaluate the time correlation between accelerated decay and natural corrosion. …”
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3951
Resilient Performance of Self-Centering Hybrid Rocking Columns: Theory, Experiment, and Numerical Simulation
Published 2022-01-01“…A novel self-centering hybrid rocking column (HRC) with a replaceable soft steel energy dissipator (RED) is proposed to solve the issue of traditional frame structures being vulnerable to damage during earthquakes and difficult rehabilitation after. …”
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Determination of the optimal horizontal boring mill for the repair of the pipe-rolling reduction-stretching mill’s body stands
Published 2022-03-01“…The body stand of the mill crate, made of 40X structural alloy steel, undergoes wear of the bearing seats during operation. …”
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A Study on the Strengthening Performance of Concrete Beam by Fiber-Reinforced Polyurea (FRPU) Reinforcement
Published 2020-01-01“…Moreover, the load-carrying capacity and mechanical behavior of all specimens were compared according to the content of the steel fibers, milled glass fibers, or carbon nanotubes (CNTs). …”
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Approximate Relationship for the Bond-Slip Using a Concrete Damage-Plastic Model
Published 2023-01-01“…To establish the bond stress-slip between rebar and concrete, an elastic-plastic steel cylinder contact element was used as the tube (ring contact element), and then, by reducing the bond strength, the amount of slip between rebar and concrete and its effect on concrete damage-plastic parameters were considered. …”
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