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Calculate the Modulus of elasticity of concrete
A pre-stressed concrete beam, having a cross-section of 150 mm width and 400 mm depth, is used over a span of 8 m. Straight tendons. which are having a stress of 1200 N/mm2, are provided with a constant eccentricity of 60 mm. The sectional area of tendons is 120 mm2. What shall be the percentage increase in stress in the wires when the beam supports a live load of 5 kN/m over whole of its span. The density of concrete is 24 kN/ m3. Modulus of elasticity of concrete and steel may be taken as 36 kN/m2 and 210 kN/m2 respectively.
Design of Flexible Pavements: The design of flexible pavements is done by the CBR method. The CBR test, described further, gives an indication of the supporting power of the
first of all i want to think you for this helpful website , and let me ask you this question . how to calculate w/c ratio ? thank you so much for you .
Q. Lifting hoops in precast concrete - mild steel vs. high yield steel Strength of high yield steel is undoubtedly higher than mild steel and therefore high yield steel is gen
reparation of subgrade in sqm for a road of span 12 km and width 5.25m,with shoulders of 0.75m span on both the sides...considering extrawidening too......plz help...i m preparing
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