Staff Members - Benha University
Structural behavior for rehabilitation ferrocement plates previously damaged by impact loads
Case StudiesinConstructionMaterials • 2017
Publication Information
Authors
YousryB.I.Shaheena, HalaM.R.Abusafab,*
Keywords
Not Available
Journal
Case StudiesinConstructionMaterials
Publisher
95/©2016PublishedbyElsevierLtd.
Volume
6(2017)72–90
Issue
Not Available
Pages
19
publication.type
International
Paper Link
Not Available
Supplementary Materials
Not Available
Abstract
The mainobjectiveofthisresearchistoinvestigatethepossibilityofusingferrocement
concretetorehabiliteethedamagedplateswhichfailedunderimpactload.Thecurrent
workpresentsthecomparisonbetweentheresultsofthe first crackloads,theultimate
loads andthedeflections inthecasesoftheimpactandstaticloads.Seventeenplateswere
damaged underimpactload [3TD$DIF][1], whichhavingthedimensionsof500500and25mm
thick. Theplatesweresubjectedtoimpactloadby1.15kgsphericalsteelballunderits
height 1.12matthecenterofthetestedplates.Theferrocementplateswerereinforcedwith
skeletal steelbarsweldedgalvanizedmeshesandexpandedsteelmesheswithskeletal
steel bars. Theplates weretesteduptofailure.Thedamagedplateswererepairedby
employing concretemortarandtwolayersofgalvanizedsteelmesh(300*300mm)atboth
the topandbottomfacesofthedamagedplateandtiedwithonelayer(500*500mm)by
means ofshearconnectorsatbothtopandbottomofthedamagedplatebyusingLscrew
bolts withimbedded fisher.Therehabilitationplates(500*500*50mm)weretested
simply supportsalongitsfoursidesandsubjectedtocentral flexuralloadingsuntilfailure.
The obtainedresultsreachedemphasizedgooddeformationcharacteristics,high first crack
and ultimateload,highductility,energyabsorptionproperties,andcrackingpattern
without spillingofconcretecoverthatispredominant.
concretetorehabiliteethedamagedplateswhichfailedunderimpactload.Thecurrent
workpresentsthecomparisonbetweentheresultsofthe first crackloads,theultimate
loads andthedeflections inthecasesoftheimpactandstaticloads.Seventeenplateswere
damaged underimpactload [3TD$DIF][1], whichhavingthedimensionsof500500and25mm
thick. Theplatesweresubjectedtoimpactloadby1.15kgsphericalsteelballunderits
height 1.12matthecenterofthetestedplates.Theferrocementplateswerereinforcedwith
skeletal steelbarsweldedgalvanizedmeshesandexpandedsteelmesheswithskeletal
steel bars. Theplates weretesteduptofailure.Thedamagedplateswererepairedby
employing concretemortarandtwolayersofgalvanizedsteelmesh(300*300mm)atboth
the topandbottomfacesofthedamagedplateandtiedwithonelayer(500*500mm)by
means ofshearconnectorsatbothtopandbottomofthedamagedplatebyusingLscrew
bolts withimbedded fisher.Therehabilitationplates(500*500*50mm)weretested
simply supportsalongitsfoursidesandsubjectedtocentral flexuralloadingsuntilfailure.
The obtainedresultsreachedemphasizedgooddeformationcharacteristics,high first crack
and ultimateload,highductility,energyabsorptionproperties,andcrackingpattern
without spillingofconcretecoverthatispredominant.