Results 21 to 30 of about 2,398,936 (356)

Experimental Study on the Bearing Performance of Rock-Socketed Concrete-Filled Steel Tube Piles under Horizontal Cyclic Loading

open access: yesJournal of Marine Science and Engineering, 2023
Rock-socketed concrete-filled steel tube piles (RSCFSTs), which have been widely used in harbors, bridges, and offshore wind turbines, were exposed to horizontal cyclic loading during service and suffered fatigue damage.
Mingwei Liu   +6 more
doaj   +1 more source

Research and Development of P22 Seamless Steel Pipe with Large Diameter and Medium Thick Wall Based on the Φ820mm Precision Skew Rolling Mill [PDF]

open access: yesTeshugang
This article mainly introduces the process flow, process difficulties, and innovative points of hot-rolled direct production of large-diameter medium thick wall P22 seamless steel tubes with a diameter of over Φ 900mm.
Zheng Shijian, Xu Lujun, Han Renlong, Chen Siying
doaj   +1 more source

Dynamic Behavior of RC Columns Confined with Micro-Expansive Concrete-Filled Steel Tubes Subjected to Lateral Low-Velocity Impact: Experimental and Numerical Study

open access: yesBuildings, 2022
In order to improve the anti-collision capacity of existing reinforced concrete (RC) columns under vehicle impact load, an experimental study on the anti-collision performance of RC columns strengthened with micro-expansive concrete filled steel tube was
Xin Liu   +6 more
doaj   +1 more source

Study on Stress Corrosion Cracking Sensitivity of Super 13Cr Martensitic Stainless Steel in Chloride-Containing Completion Fluids [PDF]

open access: yesCailiao Baohu
During oil extraction,the corrosion of oil pipes caused by chloride-containing completion fluids has been a hot research topic.To address this problem, the stress corrosion cracking (SCC) sensitivity of Super 13Cr stainless steel was investigated under ...
LI Jun, YU Yanzhao, ZHU Hongzhang, YU Xiaohong, LEI Bo, CHEN Changfeng
doaj   +1 more source

Laser Interferometer Gravitational-Wave Observatory beam tube component and module leak testing [PDF]

open access: yes, 2000
Laser Interferometer Gravitational-Wave Observatory (LIGO) is a joint project of the California Institute of Technology and the Massachusetts Institute of Technology funded by the National Science Foundation.
Carpenter, W. A.   +3 more
core   +1 more source

Long-Term Creep and Shrinkage Behavior of Concrete-Filled Steel Tube

open access: yesMaterials, 2021
A concrete-filled steel tube (CFT) combines the advantages of concrete and steel in construction and structural applications. However, research on the time-dependent deformation of the CFT under long-term sustained loading are still limited, particularly
D. Nguyen, Wei Lin, W. Liao
semanticscholar   +1 more source

Axial Behavior of Concrete-Filled Double-Skin Tubular Stub Columns Incorporating PVC Pipes

open access: yesCrystals, 2021
This experimental study presents concrete-filled double-skin tubular columns and demonstrates their expected advantages. These columns consist of an outer steel tube, an inner steel tube, and concrete sandwiched between two tubes.
Muhammmad Faisal Javed   +5 more
doaj   +1 more source

PERFORMANCE ANALYSISOF HIGH STEEL TUBELATTICE SUPPORT SYSTEM IN TYPHOON AREA [PDF]

open access: yesCivil Engineering Journal, 2020
Research on safety of high steel tube lattice support systems in typhoon areas is still in the preliminary stage. The purpose of this paper is to study the overall buckling and overturning stability of the high steel tube lattice support ...
Shijie Wang, Quansheng Sun, Jianxi Yang
doaj   +1 more source

Aluminum Foam-Filled Steel Tube Fabricated from Aluminum Burrs of Die-Castings by Friction Stir Back Extrusion

open access: yesMetals, 2019
A mixture of Al burrs of Al high-pressure die-castings and a blowing agent powder was used to fabricate Al foam-filled steel tubes by friction stir back extrusion (FSBE).
Yoshihiko Hangai   +4 more
doaj   +1 more source

Study on Mechanical Properties of Concrete-Filled Steel Tubular Members under Axial Tension

open access: yesAdvances in Materials Science and Engineering, 2023
At present, the concrete-filled steel tube structure has been widely used in various practical projects. Due to the low tensile strength of the core concrete of round steel tube concrete (CFST) specimens, the axial tensile performance of CFST specimens ...
Huaguo Gao   +5 more
doaj   +1 more source

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