Results 21 to 30 of about 430,508 (214)

Compression Performance and Calculation Method of Thin-Walled Prefabricated Steel Tube Lightweight Concrete Columns

open access: yesAdvances in Civil Engineering, 2022
To investigate the axial compression performance of cold-formed thin-walled steel tube lightweight concrete columns, the compressive test was carried out on four groups of 12 specimens.
Yue Li   +4 more
doaj   +1 more source

Research on the mechanical properties of concrete stub column under axial compression loading with square steel tube self-compacting iron tailing [PDF]

open access: yesE3S Web of Conferences, 2020
In this paper, the influence of steel rate and substitution rate of iron tailing powder on the bearing capacity of the stub columns is mainly investigated through the test of five concrete stub columns under axial compression loading with square steel ...
Wang Yuan Xi, Du Xi Kai, Liu Jing Hong
doaj   +1 more source

Austenitic transition layer in a carburized bearing steel and formation mechanism

open access: yesJournal of Materials Research and Technology
CSS-42L is a new generation carburized bearing steel for the critical service environment of aero-engine applications. Owing to the complex composition and heat treatment, this steel exhibits unique microstructural features at the subsurface, one of ...
Shaochen Feng   +5 more
doaj   +1 more source

Behavior of axially loaded circular stainless steel tube confined concrete stub columns [PDF]

open access: yes, 2019
A stainless steel tube confined concrete (SSTCC) stub column is a new form of steel-concrete composite column in which the stainless steel tube without bearing the axial load directly is used to confine the core concrete.
Fu, F., Guo, L., Huang, H., Liu, Y.
core   +1 more source

Ultimate bearing capacity for steel sandwich panels under uniaxial compression

open access: yesZhongguo Jianchuan Yanjiu, 2020
[Objectives] In order to realize lightweight design of hull structure, the steel sandwich structure is used to replace the traditional stiffened structure to reduce the weight of hull structure on the premise of guaranteeing the load-bearing capacity of ...
LI Zhengjie   +5 more
doaj   +1 more source

Orthogonal Analysis of Axial Bearing Capacity of Short Columns Reinforced by Circular Steel Tube and Ultra High Performance Concrete with Coarse Aggregate

open access: yesRenmin Zhujiang, 2021
This paper analyzes the influence of outer diameter of steel tube, wall thickness of steel tube, steel strength and concrete strength on the axial bearing capacity of short columns reinforced by circular steel tube and ultra high performance concrete ...
TANG Jiajun, WANG Tan, LI Jiuyang
doaj  

A novel concrete-filled flange steel tubular composite supports for tunnels: A numerical perspective

open access: yesCase Studies in Construction Materials
In this study, a new type of concrete-filled flange steel tubular composite support (referred to as a concrete-filled flange steel composite support) was designed to address the inadequate bending load-bearing performance of concrete-filled steel tubular
Dejun Liu   +7 more
doaj   +1 more source

Rotating bending fatigue behavior of medium carbon Cr and W nitriding bearing steel

open access: yesJournal of Hebei University of Science and Technology, 2018
Aiming at the problem that the failure mode of bearing steels is mainly fatigue failure, RBF (rotating bending fatigue) test of medium carbon Cr and W nitriding bearing steel and analysis are conducted for the medium carbon Cr and W nitriding bearing ...
Shichao CHENG   +6 more
doaj   +1 more source

Propagation of surface initiated rolling contact fatigue cracks in bearing Steel [PDF]

open access: yes, 2016
Surface initiated rolling contact fatigue, leading to a surface failure known as pitting, is a life limiting failure mode in many modern machine elements, particularly rolling element bearings.
Kadiric, A, Olver, A, Rycerz, P
core   +1 more source

Effect of Sulfur Content on the Composition of Inclusions and MnS Precipitation Behavior in Bearing Steel

open access: yesMetals, 2020
MnS inclusions in bearing steel have long been considered to significantly affect the fatigue life of bearing steel. In this paper, the sizes of inclusions in bearing steel with different sulfur contents were analyzed and the precipitation behavior of ...
Hongliang Zhang   +4 more
doaj   +1 more source

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