Results 11 to 20 of about 1,309 (214)
Applied Sciences, 2018 Since physical parameters are much more sensitive than modal parameters, structural parameter identification with an extended Kalman filter (EKF) has received extensive attention in structural health monitoring for civil engineering structures.
Liyu Xie +5 more
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Production Engineering Archives, 2021 This article presents the materials of deformability studies of pre-stressed steel-concrete beams reinforced with a package of reinforcement with different ratio of tape and rebar in the pure bending moment zone. The aim of the research was determination
Blikharskyy Yaroslav +4 more
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On Pre-Stressed Hull Structures
International Journal of Recent Development in Engineering and Technology, 2021 “Wave-piercing” super-planing trimaran with air-born unloading, WPT, is developing of “wave-piercing” catamaran, WPC, for twice bigger achievable speeds. As all fast vessels, WPT needs for minimal weight of hull structures. Using of pre-stressed structures is a novel method of hull weight decreasing.
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THE ESTIMATION OF PRE-STRESS FROM AE CHARACTERISTICS IN CYCLIC LOADING OF THE PRE-STRESSED ROCK
Doboku Gakkai Ronbunshu, 1992 先行応力を人為的に与えた岩石の繰り返し載荷試験時に計測されたAEの発生特性から先行応力の推定を行い, 先行応力推定に及ぼす経過時間の影響について検討した. その結果, 先行応力除荷後の経過時間が長くなるとカイザー効果が不明瞭になるが, その場合においても, 2回目以降の載荷時において先行応力相当点にAE急増点が出現し, 先行応力を精度良く推定できることを示した. この繰り返し載荷時のAE特性による推定精度は, 経過時間が400日までの範囲で平均1.5%であった.
Masahiro SETO +2 more
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Numerical Study of Cone Penetration Tests in Lunar Regolith for Strength Index
Applied SciencesThe cohesive properties of lunar regolith, combined with a low-gravity environment, result in it having a distinct mechanical behavior from sandy soil on Earth.
Xueliang Zhao +4 more
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A new rock mass rating method based on Mamdani fuzzy inference for rock tunnels
Yantu gongcheng xuebao, 2017 The rock mass rating (RMR14) method can evaluate the mechanical properties and structural conditions of rock mass comprehensively and consider the engineering factors such as the initial ground stress fields and excavation ways.
ZHANG Qi 1,2, ZHU He-hua 3, HUANG Xian-bin 3, LI Xiao-jun 3, DAI Guo-liang 1,2
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A Capacitively-Fed Inverted-F Antenna for Displacement Detection in Structural Health Monitoring
Sensors, 2020 This paper presents a capacitive displacement sensor based on a capacitively fed inverted-F antenna (CFIFA) for displacement detection. The sensor is composed of a grounded L-shape patch and a rectangular upper patch, forming a capacitor between them ...
Songtao Xue +5 more
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Green approach on ternary blended pre stressed cement concrete railway sleepers
Cleaner Materials, 2022 Conventional Railway concrete sleepers are manufactured using steel pre-stressed strands upto pre-determined stress level surrounded by well compacted controlled concrete.
S. Prabhu +4 more
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Applied Sciences, 2017 In this paper, a simple and effective numerical approach is presented on the basis of the Member Discrete Element Method (MDEM) to investigate static and dynamic responses of steel frames with semi-rigid joints.
Jihong Ye, Lingling Xu
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Non-bracket oblique traction-hoisting construction strategy for cable-truss structures
HeliyonThis study describes the non-bracket oblique traction-hoisting construction strategy for cable-truss structures, which is to assemble the upper and lower radial cables, hoop cables, sling cables, and compression rods without stress at a low altitude ...
Mingmin Ding +4 more
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