Results 31 to 40 of about 257,175 (322)

Theoretical Framework for Creep Effect Analysis of Axially Loaded Short CFST Columns under High Stress Levels [PDF]

open access: yesAdvances in Civil Engineering, 2020
Due to its excellent mechanical performances, axially loaded concrete‐filled steel circular tube (CFST) columns have been widely used in structural engineering. As an important long‐term behaviour of CFST structures, the creep has an obvious nonlinear property under high stress levels, which makes the influence of creep more complicated. In this study,
Shiwei Li   +3 more
openaire   +2 more sources

Study on Noise Model of an Automotive Axial Fan Based on Aerodynamic Load Force

open access: yesApplied Sciences, 2022
Due to the fact that the noise caused by axial fan blades of vehicles is large, which seriously affects ride comfort, and there is no effective mathematical model to quantitatively study the contribution of the various parameters of the blades to the ...
Yinhui Zhong, Yinong Li, Jun Li
doaj   +1 more source

Metallic tube type energy absorbers: a synopsis [PDF]

open access: yes, 2007
This paper presents an overview of energy absorbers in the form of tubes in which the material used is predominantly mild steel and/or aluminium. A brief summary is also made of frusta type energy absorbers.
A.G. Olabi   +80 more
core   +1 more source

THE EFFECT OF VARIATION CONCRETE CUBE OF AXIAL LOAD ON ULTRASONIC PULSE VELOCITY TRANSMITTER

open access: yesJournal of the Civil Engineering Forum, 2015
Nowadays, Non Destructive Tests have been applied in some quality evaluation of existing concretes on site. One of the Non Destructive Test (NDT) methods is the application of the Ultrasonic Pulse Velocity (UPV) method. In general, utilizations of UPV as
Faqih Ma’arif   +2 more
doaj   +1 more source

Damage Detection of Axially Loaded Beam: A Frequency-Based Method [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2016
The present study utilizes an analytical method to formulate the three lowest modal frequencies of axially-loaded notched beam through both crack location and load level in a specific format that can be used in existing frequency-based crack ...
Omid Rezaifar   +1 more
doaj   +1 more source

Influence of Restorative Material on the Distribution of Loads to the Bone in Hybrid Abutment Crowns—In Vitro Study

open access: yesMedicina, 2023
Background: The objective of this study was to evaluate the load transmitted to the peri-implant bone by seven different restorative materials in single-unit rehabilitations with morse taper implants using a strain gauge.
Rafael Garcia Martins   +4 more
doaj   +1 more source

Anti-Seismic Behavior of Welded Box Section Column Considering Welding Residual Stress at High Temperature [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
To study the anti-seismic performance of steel structure under high temperature, the finite element analysis software ABAQUS was used to study the seismic performance of Q235 steel welded box section column at service stage under normal temperature and ...
Yadi Fu   +3 more
doaj   +1 more source

NEW GENERATION NAIL VS. PLATE IN THE TREATMENT OF UNSTABLE INTERTROCHANTERIC FEMORAL FRACTURE [PDF]

open access: yesActa Ortopédica Brasileira, 2020
Objective: To compare antirotator proximal femoral nail (A-PFN) with antirotator dynamic hip screw (A-DHS). Methods: Fourteen proximal femur models with type 31/A2 fracture, according to the AO Foundation/Orthopaedic Trauma Association (AO/OTA ...
BURAK OZTURAN   +3 more
doaj   +1 more source

Experimental study on the crack resistance of steel-nanometre hybrid fibre concrete [PDF]

open access: yesE3S Web of Conferences, 2022
To investigate the effects of steel fibre and nanometre fibre on the cracking of reinforced concrete, the cracking resistance of steel fibre reinforced concrete, nanometre fibre reinforced concrete, and hybrid fibre reinforced concrete with different ...
Wu Hailin, Mi Zijia, Pei Ziqiang
doaj   +1 more source

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