A rectangular beam with limited size of 300mm is to be designed for an ultimate moment of 550 kN·m with f’c = 28 MPa and fy = 420 MPa. The effective depth of the tension bars is 500 mm and 70 mm for compression bars.  13. Determine the the maximum tensile steel ratio if the tensile steel strain will not be less than 0.005 for a more ductile failure.

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.