YaBeSH Digital Library: Recent submissions
Now showing items 9381-9400 of 316660
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Enhancing the Prediction Accuracy of Transient Turbulent Pressurized Pipe Flow Responses: A Comprehensive Q2D Model Incorporating Additional Local Instantaneous Accelerations
(American Society of Civil Engineers, 2025)This paper investigated transient events for unsteady pressurized pipe flow, particularly during water hammer events, to compare the efficiency of the one-dimensional (1D) modified Brunone’s model called the modified ... -
Downstream Local Scour of PKW with Different Shapes and Numbers of Flow Splitters
(American Society of Civil Engineers, 2025)The high discharge capacity of piano key weirs (PKWs), an evolved form of labyrinth weirs, necessitates downstream scour mitigation. For the first time to our best knowledge, this study examines scouring reduction employing ... -
Effects of Three Repeated Unsteady Flow Hydrographs on Sand Bed Topography and Sediment Transport in a Laboratory Flume
(American Society of Civil Engineers, 2025)Natural rivers and streams are influenced by runoff from rainfall and snowmelt, resulting in flow conditions that change over timescales that are related to the size and location of contributing watersheds. Predictive ... -
Void Fraction Distribution Downstream of Nonlinear Weirs: An Experimental Investigation Using Trapezoidal A-Type Piano Key Weirs, a Labyrinth Weir, and a Linear Weir
(American Society of Civil Engineers, 2025)This experimental study investigates the behavior of void fraction distribution downstream of nonlinear weirs. Systematic air concentration measurements were performed in a 3D array for two model pairs: (1) a piano ... -
Research on the Critical Stable Area of Air Cushion Surge Chambers in Hydropower Stations
(American Society of Civil Engineers, 2025)The Svee formula plays a crucial role in assessing the stability of hydropower systems with an air cushion surge chamber (ACSC). This formula is derived from the Thoma formula, a stability criterion for the common open-surge ... -
Discharge Characteristics of Semicylindrical-Edged Vertical Sluice Gates
(American Society of Civil Engineers, 2025)Sluice gates are used in open channels, such as irrigation canals, as an undershot structure for letting out controlled discharges and regulating the upstream water level. This necessitates a precise estimation of the ... -
Calibration Technology for a Radar Surface Velocimeter
(American Society of Civil Engineers, 2025)In Taiwan, climate change exacerbates challenges such as steep slopes, rapid flow, landslides, and erosion, leading to more extreme hydrological events. River flow monitoring during typhoons and floods is difficult, often ... -
Helmholtz Numbers: Deciphering the Role of Side Branches and Loops in Pipe Systems
(American Society of Civil Engineers, 2025)A long-standing discussion is whether the existence of branching or looping pipes hinders or improves the transient response of a water conveying pipe system. We show theoretically and numerically that the role of side ... -
Effect of Extending Loading Time Application on Pressuremeter Test Results
(American Society of Civil Engineers, 2025)To assess the geotechnical properties of soil, the pressuremeter test has been widely employed since its introduction in 1955. This test is instrumental in determining key parameters such as the limit pressure (Pl), creep ... -
Simulation and Lab-Scale Experiment of a Particle Filtration Solution for Rural Potable Water Supply
(American Society of Civil Engineers, 2025)Lamella clarifiers are becoming increasingly popular for solid–liquid separation due to their low system footprint, low cost, and high separation efficiency at superior settling times when compared to settling tanks. Despite ... -
Automatic Interpretation of Downhole Seismic Geophysical Data Accounting for Uncertainty and Measurement Error
(American Society of Civil Engineers, 2025)Accurate quantification of the shear-wave velocity, Vs, and thus the small-strain shear modulus, G0, is a critical geotechnical design task. Recent research has demonstrated the high level of complexity and uncertainty ... -
Numerical Model for Coupled Finite Strain Consolidation and Heat Transfer in Layered Clayey Soils Considering Thermal Creep
(American Society of Civil Engineers, 2025)A numerical model that accounts for fully coupled long-term large strain consolidation and heat transfer provides a more realistic analysis for various applications, including geothermal energy storage and extraction, ... -
Effects of Barrier Deflectors on Impact Mechanisms against Debris Flow
(American Society of Civil Engineers, 2025)The implementation of a multiple barrier system has been recognized as an efficient approach for mitigating debris flows. To effectively reduce the impact forces on multiple barriers from overflow, a deflector can be ... -
Horizontal Penetration in Granular Media: Effect of Intruder Shape, Depth, Orientation, and Material Density on Penetration Forces
(American Society of Civil Engineers, 2025)Understanding the mechanics of horizontal penetration is fundamental for the development of new burrowing techniques for subsurface characterization/monitoring, infrastructure construction, and the exploration of extreme ... -
Development and Evaluation of Expanded Steel Pipe Piles for Enhanced Load-Bearing Capacity and Rapid Installation in Confined Spaces
(American Society of Civil Engineers, 2025)Recently, advanced types of micropiles have been developed to enhance their load-bearing capacity, responding to increased demands for micropile applications. However, these improved micropiles present challenges for rapid ... -
Numerical Investigation of the Effects of Separated Footings on Tunnel-Soil-Structure Interaction
(American Society of Civil Engineers, 2025)Tunneling-induced horizontal strains for buildings with discontinuous foundations are notable and may pose significant risks to the integrity of nearby structures. This paper presents results from a series of numerical ... -
Enhancing CPT-Based Suction Caisson Penetration Design: Insights from Back-Analysis of Large-Scale Field Installation Data
(American Society of Civil Engineers, 2025)This paper presents a detailed back-analysis of large-scale field data from suction caisson installations in complex, layered soil conditions, enhancing the understanding of caisson installation interaction through a refined ... -
Durability Evolution Mechanism of MICP-Treated Calcareous Sand Exposed to Seawater Dry–Wet Cycles
(American Society of Civil Engineers, 2025)To investigate the long-term performance evolution of microbial-induced carbonate precipitation (MICP) technology for treating calcareous sand, a 150 day dry–wet (DW) cycle test was conducted considering the actual ... -
Experimental Study on Wetting Deformation of Rockfill Materials under Different Stress Paths
(American Society of Civil Engineers, 2025)The collapse settlement induced by wetting deformation during the impounding period has a significant impact on the safety of rockfill dams. Previous large-scale triaxial wetting investigations on rockfill have predominantly ... -
Exploring the Water and Temperature Regimes’ Mechanical Characteristics of a Plain Concrete Pile Composite Foundation under Freeze–Thaw Cycles: A Model Testing Study
(American Society of Civil Engineers, 2025)In this paper, through extensive on-site research of the plain concrete composite foundation for the Jiuma Expressway, the study conducted proportional scaling tests. This study focused on the temperature, moisture, pile–soil ...