Design Requirement. The poles shall be designed to meet the following requirements. a) The poles shall be planted directly in the ground with a planting depth of 1.5 meters. b) The working load on the poles shall be 200 Kg. applied at 0.6 Mtr. from top. c) The factor of safety shall not be less than 2.5. d) The average permanent load should be 40% of the working load. e) The Factor of safety against first crack load shall be 1.0 f) The ultimate moment capacity in the longitudinal direction should be at least one fourth of that in the transverse direction. g) The max. compressive stress in concrete at the time of transfer of pre stress should not exceed 0.8 times the cube strength. h) The concrete strength at transfer shall not be less than half of the 28th day strength ensured in the design i.e. : 420x0.5 = 210 KG./▇▇.▇▇. i) The concrete cover, measured from outside of pre stressing tendon shall be 20 mm. j) At the design value, of first crack load the modules of rupture shall not exceed 55.2 Kg./cm for M-42 concrete.
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Sources: Turnkey Contract
Design Requirement. The poles shall be designed to meet the following requirements.
a) The poles shall be planted directly in the ground with a planting depth of 1.5 meters.
b) The working load on the poles shall be 200 400 Kg. applied at 0.6 Mtr. from top.
c) The factor of safety shall not be less than 2.52.0.
d) The average permanent load should be 40% of the working load.
e) The Factor of safety against first crack load shall be 1.0
f) The ultimate moment capacity in the longitudinal direction should be at least one fourth of that in the transverse direction.
g) The max. compressive stress in concrete at the time of transfer of pre stress presetress should not exceed 0.8 times the cube strength.
h) The concrete strength at transfer shall not be less than half of the 28th day strength ensured in the design i.e. : 420x0.5 = 210 KG./▇▇.▇▇.
i) The cover concrete cover, measured from outside of pre stressing prestressing tendon shall be normally 20 mm.
j) At the design value, value of first crack load the modules of rupture shall not exceed 55.2 Kg./cm for M-42 concrete.
Appears in 1 contract
Sources: Turnkey Contract