Results 11 to 20 of about 64,286 (293)

Structural health monitoring of beams with moving oscillator: theory and laboratory

open access: yesGrađevinar, 2021
In this paper, a new intelligent portable mechanical system is introduced experimentally and theoretically to detect damage employing the fuzzy-genetic algorithm and EMD.
Reza Goldaran, Mehdi Kouhdaragh
doaj   +1 more source

A modified mode shape data-based method for beams structural damage detection

open access: yesActa Scientiarum: Technology, 2023
Damage detection methods based on changing modal parameters have received considerable attention in engineering applications due to the satisfactory results and the low associated cost compared with other techniques. The Mode Shape Data Based Indicator (
Will José de Lima Júnior   +1 more
doaj   +1 more source

Wooden Beams Modal Damage Identification Parameters Based on Strain

open access: yesBuildings, 2023
This study completely investigates the damage detection problem based on strain modal characteristics using simply supported wooden beams as the research object. First, modal analysis was performed, and finite element models of both damaged and undamaged
Yu Cao   +6 more
doaj   +1 more source

Behavior and flexural strength of fire damaged high strength reinforced rectangular concrete beams after strengthening with CFRP laminates

open access: yesAin Shams Engineering Journal, 2022
This investigation presents an experimental study of the flexural behaviour of fire -damaged high strength reinforced concrete beams under several fire exposure periods, then strengthened with carbon fibre reinforced polymer CFRP.
Alan Saeed Abdulrahman   +1 more
doaj   +1 more source

Nondestructive Evaluation of Damage in Beams Using Displacement Curvature [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2013
In this paper, the capabilities of displacement curvature derived from static response data for finding the location and severity of damage in Euler-Bernoulli beams are assessed. Static response of a beam is obtained using the finite element modeling. In
O. Yazdanpanah   +2 more
doaj   +1 more source

A Structural Damage Identification Method Based on Arrangement of the Static Force Residual Vector

open access: yesFrontiers in Materials, 2022
In order to effectively and conveniently identify the damage location and damage degree of structural members under static response, a structural damage identification method based on the force residual vector is proposed.
Jibao Shen   +3 more
doaj   +1 more source

Cold Formed Steel Type C On Beams With Connection Variations [PDF]

open access: yesE3S Web of Conferences, 2023
The disadvantages of using cold rolled steel (cold formed steel) include a thin profile and low stiffness of the connecting parts. Stiffness research of various types of joints is needed to study element failure, machine error or connection failure which
Nindyawati Nindyawati   +3 more
doaj   +1 more source

Damage Identification of Structures Based on Smooth Orthogonal Decomposition and Improved Beetle Antennae Search Algorithm

open access: yesAdvances in Civil Engineering, 2021
A novel damage identification method that utilizes the smooth orthogonal decomposition (SOD) combined with the improved beetle antennae search algorithm (BAS) presented by previous scholars is proposed.
Zhixiang Hu, Peiguan Zhang
doaj   +1 more source

Feasibility of Reusing Damaged Steel Beams in Temporary Structures

open access: yesInfrastructures, 2021
This study addresses the feasibility of reusing pre-damaged steel beams in temporary structures. The extensive structural investigation of notch-damaged, unrepaired, and laterally unsupported steel beams was performed experimentally and numerically.
Bilal El-Ariss, Said Elkholy
doaj   +1 more source

Rehabilitation of Shear damaged Reinforced Concrete Beams with U-Wrapped Carbon Fiber Reinforced Polymer Sheets: Experimental study

open access: yesDiyala Journal of Engineering Sciences, 2023
This paper presented an experimental study of external rehabilitation of damaged Reinforced Concrete (RC) Beams with Carbon Fibre Reinforced Polymer (CFRP) sheets.
Aisha Nabeel Abdulazeez   +1 more
doaj   +1 more source

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