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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.
EXPLAIN THE PROCEDURE FOR PREPARATION OF DRAWING USING AUTOCAD FOR RAPID SAND FILTER
A box caisson, 10 m high, is 18 m × 9 m at the base. The weight of the caisson is 9 MN and its centre of gravity is 4.2 m above the base. Check whether the Caisson is stable. If
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N-type semiconductor is an example of what semiconductor? Answer : N-type semiconductor is an example of extrinsic semiconductor.
Example for Beam Flexure Design Select the lightest W section for the simply supported beam shown below. The beam length is 12ft. The nominal loading is: w d = 4.0 kip/ft (i
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The steel oil container shown in the figure has a circular lid centred on its sloping wall. The lid is hinged at A and held closed with a frictionless stopper at B. The lid is made
Retaining Walls: Needed to retain the fill portion, and generally constructed in dry stone masonry with pucca bunds (Figure). Figure: Typical Design for a Retaining
how we calculate barometric leveleing
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