Results 1 to 10 of about 373 (68)

A comparative analysis of resistance models for austenitic stainless steel girders subjected to concentrated loads

open access: yesRevista UIS IngenierĂ­as, 2021
The increasing use of stainless steel in construction has led to the need of developing resistance models for structural elements made of this material.
Carlos Alberto Graciano-Gallego   +2 more
doaj   +1 more source

Safety Analysis of the Patch Load Resistance of Plate Girders: Influence of Model Error and Variability [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2013
This study aims to undertake a statistical study to evaluate the accuracy of nine models that have been previously proposed for estimating the ultimate resistance of plate girders subjected to patch loading.
Farzad Shahabian   +2 more
doaj   +1 more source

Efficiency of Neural Networks for Estimating the Patch Load Resistance of Plate Girders with a Focus on Uncertainties in Material and Geometrical Properties [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2014
In this paper, a sensitivity analysis of artificial neural networks (NNs) is presented and employed for estimating the patch load resistance of plate girders subjected to patch loading.
Farzad Shahabian   +2 more
doaj   +1 more source

Fatigue crack growth of composite patch repaired Al-alloy plates under variable amplitude loading [PDF]

open access: yesFracture and Structural Integrity, 2018
In this paper, fatigue crack growth of edge crack in 2024 T351 aluminum alloy plate repaired with bonded composite patch under constant and variable amplitude loading (VAL) was predicted. The Al-alloy plate was repaired with symmetric patch Boron/Epoxy .
Fatima Zohra Seriari   +2 more
doaj   +1 more source

Metamaterial Based Circular Disc Patch Antenna Miniaturization

open access: yesAdvanced Electromagnetics, 2018
A novel metamaterial structure has been proposed for its operation at 2.4 GHz. A circular disc patch antenna resonating at dual band frequency with 2.4 GHz and 3.36 GHz has been designed using full field solver CST MWS tool and the loading effect of the ...
V. Kumar, Y. Wu
doaj   +1 more source

Fluidic Stub-Loaded Patch Antenna for Frequency-Tunable Polarization Reconfiguration

open access: yesIEEE Open Journal of Antennas and Propagation, 2021
This paper presents a fluidically loaded microstrip patch antenna on a multi-layered substrate with frequency and polarization reconfigurability in the 2400 MHz band. A square patch loaded at all the corners with short circuited λg/4 long stubs is
Aditya Singh, Carlos E. Saavedra
doaj   +1 more source

Bending calculation of multi-span beam under arbitrary boundary conditions and engineering application thereof

open access: yesZhongguo Jianchuan Yanjiu, 2019
[Objectives] To find the worst-case of a deck structure under patch loading quickly.[Methods] For the bending of a multi-span beam under arbitrary boundary conditions,an Improved Fourier Series Method(IFSM)is used to describe the displacement functions ...
Xiong Jianfeng   +4 more
doaj   +1 more source

Clustering-based classification method of loading schemes of multi-span beams under multiple patch loading

open access: yesZhongguo Jianchuan Yanjiu, 2018
[Objectives] It is of great significance to classify a large number of loading schemes quickly and accurately, and obtain loading schemes with similar structural design requirements or decide the structural design of multi-span beams.[Methods] In this ...
ZHU Guangji   +4 more
doaj   +1 more source

Investigation of Backfill Compaction Effect on Buried Concrete Pipes

open access: yesJournal of Engineering, 2023
The present study deals with the experimental investigation of buried concrete pipes. Concrete pipes are buried in loose and dense conditions of gravelly sand soil and subjected to different surface loadings to study the effects of the backfill ...
Mosa Jawad Al-Mosawe   +2 more
doaj   +1 more source

An Experimental and Numerical Study on the Use of Chirped FBG Sensors for Monitoring Fatigue Damage in Hybrid Composite Patch Repairs

open access: yesSensors, 2021
In this paper, chirped fibre Bragg grating (CFBG) sensors used to monitor the structural health of a composite patch used to repair an aluminium panel is presented. To introduce damage, a notch was produced at the centre of an aluminium panel. The repair
Rodolfo L. Rito   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy