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Simple technique for recording load-strain curves for concrete beams loaded in flexure
Method is described for automatically recording load vs strain using commercial X-Y plotter; typical curves are given showing results obtained with pavement quality concrete and with lean concrete; modulus of elasticity of lean concrete was derived from tangent to load strain curve at origin and was found to be less than that obtained by resonance tests; reasonable correlation was found between elastic modulus and strains at which micro-cracking was assumed to begin.
Simple technique for recording load-strain curves for concrete beams loaded in flexure
Method is described for automatically recording load vs strain using commercial X-Y plotter; typical curves are given showing results obtained with pavement quality concrete and with lean concrete; modulus of elasticity of lean concrete was derived from tangent to load strain curve at origin and was found to be less than that obtained by resonance tests; reasonable correlation was found between elastic modulus and strains at which micro-cracking was assumed to begin.
Simple technique for recording load-strain curves for concrete beams loaded in flexure
Mag Concrete Research
Trott, J.J. (author)
1962
4 pages
Article (Journal)
English
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