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Tensile Stress-Strain Relationship For Ferro cement Structures
Author(s) -
Azad A. Mohammed,
Dunyazad K. Assi
Publication year - 2012
Publication title -
maǧallaẗ al-handasaẗ al-rāfidayn
Language(s) - English
Resource type - Journals
eISSN - 2220-1270
pISSN - 1813-0526
DOI - 10.33899/rengj.2012.47274
Subject(s) - ultimate tensile strength , materials science , cement , composite material , slab , structural engineering , deflection (physics) , stress–strain curve , beam (structure) , stress (linguistics) , bending moment , tensile strain , deformation (meteorology) , engineering , linguistics , optics , philosophy , physics
Tests on fibrocement discs were carried out to measure tensile stressstrain relationship including testing wide ranges of matrix strength. Equations were proposed for calculating tensile strength based on the present test results and other results in the literature. A trilinear idealized model was proposed for calculating tensile stress – strain response of Ferro cement. The model was found to be accurate especially for higher strength Ferro cement. Later an analysis was carried out for calculating the loaddeflection relationship of Ferro cement beams based on moment – curvature relationship and bending theory of elastic beam. The analysis which based on the proposed tensile model was found to be accurate for Ferro cement beams and slab strips provided that the span / depth ratio less than 22. KEYWARDS: Analysis, Beam, Elastic, Ferro cement, Flexure, Plastic, Slab, Strain, Tensile Stress ذشناداهصا تللاع تيخًُسوريفنا ثآشًُهن لاعفَلاا يصاع ىظاك دازايَد ذًحي ردامناذبع دازا.د تيَاًيهسنا تعياص / تسذُهنا تيهك تيَاًيهسنا تعياص / تسذُهنا تيهك تصلاخنا شايمن ثاصىحف ءارصا ىح يناحنا ذحبنا يف تللاع ذشنا داهصا – لاعفَلاا تيخًُسوريف سراًَ ًهع جًُسنا تَىي عاىَلا . تفهخخي طاغضَا تيوامًب يىصمنا ذشنا تيوامي باسحن ثلاداعي ريىطح ىح تيهًعنا شئاخُنا ٍي ةدافخسلااب جًُسوريفن . يرخا دىحب شئاخَو يناحنا ذحبهن باسحن ًرلازنا يطخنا عىَ ٍي تللاع حارخلا ىَ ذشنا داهصا تللاع لاعفَلاا . جًُسوريفن تميرطنا ٌاب ثذصو ذشنا داهصا تللاع باسحن تميلد لاعفَلاا دادسح ايذُع اصىصخ تيوامي طاغضَلاا . جًُسنا تَىًن مًحنا تللاع باسحن ًطخنا ريغ ميهحخنا تميرط ىيذمح ىح اهذعب – ثاطلابناو ثاضراعهن دولاا تيخًُسوريفنا وسعنا تللاع قامخشا ٍي ةدافخسلااب – نا حئافصهن دولاا شئاخَ و عطمًهن شىمخنا . تَرً ٌأب ثذصو ذلو مًحنا تللاع باسحن تميلد ميهحخنا تميرط وسعنا تللاعو دولاا – شىمخنا تيخًُسوريفنا ثاطلابناو ثاضراعهن ايذُع ٌىكي ٍي ملا عطمًنا كًع / ءاضفنا تبسَ 22 . Received: 9 – 1 2010 Accepted: 15 – 6 2011 Al-Rafidain Engineering Vol.20 No. 2 March 2012

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