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3. A pretensioned concrete beam, 100mm wide and 300mm deep in prestressed by straight wires and...
1. A post tensioned concrete beam, 100mm wide and 400mm deep is prestressed by three cables,...
1. A post tensioned concrete beam, 100mm wide and 400mm deep is prestressed by three cables, each with a cross sectional area of 50mm², initial stress of 1200N/mm². Calculate the stress in concrete at level of steel? 2. A pre tensioned concrete beam 100mm wide and 300mm deep, initial force of 150kN at an eccentricity of 50mm, moment of inertia is 225*10mm, initial stress in steel is 400N/mm², modular ratio is 8. Estimate the percentage loss? 3. A pretensioned concrete...
1. A post tensioned concrete beam, 100mm wide and 400mm deep is prestressed by three cables,...
1. A post tensioned concrete beam, 100mm wide and 400mm deep is prestressed by three cables, each with a cross sectional area of 50mm², initial stress of 1200N/mm². Calculate the stress in concrete at level of steel? 2. A pre tensioned concrete beam 100mm wide and 300mm deep, initial force of 150kN at an eccentricity of 50mm, moment of inertia is 225x10mm, initial stress in steel is 400N/mm², modular ratio is 8. Estimate the percentage loss?
plz make sure..... EXAMPLE 4.1 Consider a concrete beam of rectangular section, 150 mm wide by...
plz make sure.....
EXAMPLE 4.1 Consider a concrete beam of rectangular section, 150 mm wide by 300 mm deep, prestressed by 4 high-tensile wires of 5 mm diameter stressed to 1200 N/mmº. The wires are located at an eccentricity of 50 mm. The stresses developed at the soffit of the beam will be examined by considering the nominal concrete and 'equivalent concrete section. Prestressing force = (1200 x 80) = 96,000 N. For the nominal concrete section, A = 45,000...
A beam of rectangular cross section 200 mm deep and 100 mm wide. If the beam...
A beam of rectangular cross section 200 mm deep and 100 mm wide. If the beam is 3m long, simply supported at either end and carries point loads as shown in FIGURE 2 (on page 4). 2. SAN 1OAN R, FR 100mm FIG.2 (a) Calculate the maximum bending moment (b) Calculate the maximum stress in the beam (c) At the point of maximum stress sketch a graph of the stress distribution through the thickness of the beam, indicating which are...
A simply supported composite beam 3 m long carries a uniformly distributed load of intensity q= 30 kN/m (see figure)
A simply supported composite beam 3 m long carries a uniformly distributed load of intensity q= 30 kN/m (see figure). The beam is constructed of a wood member, 100 mm wide by 150 mm deep, and is reinforced on its lower side by a steel plate 8 mm thick and 100 mm wide. (a) Find the maximum bending stresses σw and σs, in the wood and steel, respectively, due to the uniform load if the moduli of elasticity are Ew =...
1. A post tensioned concrete beam, 100mm wide and 400mm deep is prestressed by three cables, each with a cross sectional area of 50mm², initial stress of 1200N/mm². Calculate the stress in concrete at level of steel? 2. A pre tensioned concrete beam 100mm wide and 300mm deep, initial force of 150kN at an eccentricity of 50mm, moment of inertia is 225*10mm, initial stress in steel is 400N/mm², modular ratio is 8. Estimate the percentage loss? 3. A pretensioned concrete...
1. A post tensioned concrete beam, 100mm wide and 400mm deep is prestressed by three cables, each with a cross sectional area of 50mm², initial stress of 1200N/mm². Calculate the stress in concrete at level of steel? 2. A pre tensioned concrete beam 100mm wide and 300mm deep, initial force of 150kN at an eccentricity of 50mm, moment of inertia is 225x10mm, initial stress in steel is 400N/mm², modular ratio is 8. Estimate the percentage loss?
plz make sure.....
EXAMPLE 4.1 Consider a concrete beam of rectangular section, 150 mm wide by 300 mm deep, prestressed by 4 high-tensile wires of 5 mm diameter stressed to 1200 N/mmº. The wires are located at an eccentricity of 50 mm. The stresses developed at the soffit of the beam will be examined by considering the nominal concrete and 'equivalent concrete section. Prestressing force = (1200 x 80) = 96,000 N. For the nominal concrete section, A = 45,000...
A beam of rectangular cross section 200 mm deep and 100 mm wide. If the beam is 3m long, simply supported at either end and carries point loads as shown in FIGURE 2 (on page 4). 2. SAN 1OAN R, FR 100mm FIG.2 (a) Calculate the maximum bending moment (b) Calculate the maximum stress in the beam (c) At the point of maximum stress sketch a graph of the stress distribution through the thickness of the beam, indicating which are...
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10. Complete the table below
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AL CODE
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