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Design and Performance Evaluation of an Optimal Discrete-Time Feedforward Controller for Servo-Hydraulic Compensation
Publisher: American Society of Civil Engineers
Abstract: Servo-hydraulic actuators exhibit frequency-dependent variations of amplitude and delay during real-time hybrid simulation (RTHS). Effective compensation techniques to overcome these variations is a crucial component for ...
Applicability of a CPT-Based Neural Network Solution in Predicting Load-Settlement Responses of Bored Pile
Publisher: American Society of Civil Engineers
Abstract: In this article, the results of load-settlement responses in piles bored from cone penetration tests (CPTs) are presented and discussed to present an accurate artificial intelligence (AI) model. Different AI computation ...
Liquefaction Potential Map of Charleston, South Carolina Based on the 1886 Earthquake
Publisher: American Society of Civil Engineers
Abstract: A liquefaction potential map of the peninsula of Charleston, S.C., is presented in this paper. Liquefaction potential is expressed in terms of the liquefaction potential index developed by Iwasaki et al. and calculated ...
Updated Liquefaction Resistance Correction Factors for Aged Sands
Publisher: American Society of Civil Engineers
Abstract: Data from over 30 sites in 5 countries are analyzed to develop updated factors for correcting liquefaction resistance for aged sand deposits. Results of cyclic laboratory tests on relatively undisturbed and reconstituted ...
Fragility-Based Optimal Design of Friction Pendulum Bearings in Seismically Isolated Liquid-Storage Tanks
Publisher: American Society of Civil Engineers
Abstract: A fragility-based probabilistic framework is proposed for the optimal design of friction pendulum (FP) bearings in seismically isolated liquid-storage tanks. The isolation period and sliding friction coefficient of the FP ...
Correcting Liquefaction Resistance for Aged Sands Using Measured to Estimated Velocity Ratio
Publisher: American Society of Civil Engineers
Abstract: Factors for correcting liquefaction resistance for aged sands using ratios of measured to estimated shear-wave velocity (MEVR) are derived in this paper. Estimated values of shear-wave velocity
Optimal Support Spacing for Steel Sets: Omerler Underground Coal Mine in Western Turkey
Publisher: American Society of Civil Engineers
Abstract: This paper presents a method to determine the optimal set spacing for rigid-type galvanized I profile (GI) and Toussaint-Heintzmann (TH)–type yielding steel sets in Section A of the Omerler underground coal mine. The rock ...
A Water-Embedded CGE Approach to Economic and Welfare Effects of Agricultural Water Transfer
Publisher: American Society of Civil Engineers
Abstract: Interbasin water transfer projects which are considered as a solution to the water crisis have different economic and environmental implications for regions. This study investigated the economic and welfare effects of ...
Evaluation of the Effect of UHMWPE on the Low-Temperature Cracking of Hot-Mix Asphalt
Publisher: ASCE
Abstract: Low-temperature cracking is a very common type of distress in flexible pavements in cold areas that extends in the form of longitudinal and transverse cracks on the surface layer. Modifying the properties of the control ...
Analytical Solution of Coupled Thermoelastic Axisymmetric Transient Waves in a Transversely Isotropic Half Space
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A halfspace containing transversely isotropic thermoelastic material with a depthwise axis of material symmetry is considered to be under the effects of axisymmetric transient surface thermal and forced excitations. With ...
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