File Name: stress and strain in civil engineering .zip
The internal resistance force per unit area acting on a material or intensity of the forces distributed over a given section is called the stress at a point. It uses original cross section area of the specimen and also known as engineering stress or conventional stress. This unit is called Pascal Pa.
Learn Stresses and strain, unit of stress,Type of stresses,Tensile stress,Compressive stress,Tensile strain,compressive strain,Shear stress and shear strain. The external force acting on the body is called the load or force. The load is applied on the body while the stress is induced in the material of the body. A loaded member remains in equilibrium when the resistance offered by the member against the deformation and the applied load are equal. When a body is subjected to some external force, there is some change of dimension of the body.
This paper focuses on the mechanical properties and modulus of elasticity of fly ash and GGBS based geopolymer concrete. In this study an 8 molarity concentration of NaOH and alkaline liquid ratio in a ratio of 2. This study includes the stress-strain behaviour along with the flexural strength, compressive strength and split tensile strengths for the GPC20, GPC40 and GPC60 grades. The test results not- ed the good mechanical properties and measured stress-strain relations of fly ash and GGBS based geopolymer concrete under ambient curing conditions. The elastic modulus was significantly varied with increases in the grade of the concrete. An equation was proposed to determine the modulus of elasticity based on the compressive strength of the geopolymer concrete. Davidovits J.
In this paper, a method to simulate the tensile stress-strain behavior of strain hardening cementitious composites SHCC is described. Experimentally obtained information on the fiber bridging stress-crack opening relationship of individual cracks is used to simulate the formation of multiple cracking in the strain hardening stage of SHCC and the development ofcrack spacing and widths are captured quantitatively. The simulation results compare well with experimentally obtained results of the composite response in the uniaxial tension test. Unable to display preview. Download preview PDF.
The Tensile stress is like pulling the material on each side or might one side as figures shown below,.
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