Results 21 to 30 of about 18,730 (228)

A new expression to predict secant rotational stiffness of spudcan in undrained soils [PDF]

open access: yesE3S Web of Conferences, 2021
The nonlinear behavior of spudcan foundation will lead to the decrease of the rotational stiffness of the spudcan, leading to the increase of the stress at the critical member of the offshore jack-up drilling platform. Secant rotational stiffness is used
Lin Wenlong
doaj   +1 more source

Lateral-distortional buckling of continuous steel-concrete composite beam

open access: yesRevista IBRACON de Estruturas e Materiais, 2018
In hogging bending moment regions of continuous composite beams the collapse by lateral-distortional buckling (LDB) can occur. The design against LDB according to ABNT NBR 8800:2008 begins with the determination of the elastic critical moment, which ...
T. V. AMARAL   +3 more
doaj   +2 more sources

Explicit Buckling Analysis of Rotationally Restrained Plates on Rigid Base Under Various Loading Conditions

open access: yesShanghai Jiaotong Daxue xuebao, 2022
In order to investigate the unilateral buckling behavior of rectangular plates with different elastic rotational restraint stiffnesses on the rigid foundation, the buckling of rectangular plates with elastic rotation constraints on the rigid foundation ...
WU Tao, MO Shixu, XIANG Yongbin, ZOU Zequn, ZHENG Yan
doaj   +1 more source

Strength Characteristics of a Heat-Resistant Metal-Matrix Composite Inconel 625–5%NiTi–TiB2 Alloy Fabricated by Direct Laser Deposition under Shock-Wave Loading

open access: yesMetals, 2023
The Hugoniot elastic limit and spall strength were measured for a heat-resistant metal-matrix composite Inconel 625–5%NiTi–TiB2 alloy additive manufactured (AM) by direct laser deposition.
Sergey Razorenov   +6 more
doaj   +1 more source

Modification of the Euler Load for the Stiffened Compressive Members and Determination of the Optimal Stiffening for the Maximum Buckling Load [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2020
The potential of buckling in compressive members has been considered as a disadvantage when using steel members in the construction industry. In spite of the progress made in this regard, buckling is still considered as a challenge in the analysis and ...
Mahsa Karimian Sichani   +2 more
doaj   +1 more source

Resistance and stability of steel channel section beams

open access: yesBudownictwo i Architektura, 2013
Analysis of the resistance and stability of steel beam of channel section loaded in the plane parallel to beam web, which does not pass through shear center, is presented in the paper.
Radosław Szczerba
doaj   +1 more source

Research on prediction of instability-induced disasters in deep sandstone based on cusp catastrophe theory

open access: yesMeitan xuebao
The long-term stability of sandstone roadways is essential for the safe and efficient exploitation of deep coal resources, as their sudden instability can readily cause major disasters.
Luyi XING   +4 more
doaj   +1 more source

Theoretical and Numerical Studies of Elastic Buckling and Load Resistance of a Shuttle-Shaped Double-Restrained Buckling-Restrained Brace

open access: yesBuildings, 2023
A new type of shuttle-shaped double-restrained buckling-restrained brace (SDR-BRB) is proposed, which adopts the form of a shuttle-shaped deformation section similar to its bending moment distribution as the external restraining system.
Jun Shi   +4 more
doaj   +1 more source

Influence of Exponent in Damage Evolution Equation on the Accuracy of Damage Modelling in Brittle Materials

open access: yesEngineering Transactions, 2015
This paper analyses the influence of nonlinearity of the damage evolution equation that is introduced by exponent to the results obtained in the simulation of elastic-brittle material .
Piotr MIKA
doaj   +1 more source

The microbiome in human skin aging

open access: yesFEBS Letters, EarlyView.
Age‐related skin changes encompass the well‐known visible phenotypic alterations, together with microbiome dysbiosis and a series of molecular aging hallmarks. These hallmarks characterize not only a fully stablished aged phenotype but also the skin aging process itself.
Manuel Huerta Arana   +3 more
wiley   +1 more source

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