If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be
A)5 cm
B)10 cm
C)15 cm
D)20 cm

Question

Quizplus · Accepted Answer

The central dip of the parabolic tendon in a pre-stressed beam designed by the load balancing method can be calculated using the formula: dip (d) = WL^2 / 8T, where W is the total load per unit length, L is the span length, and T is the pre-stressing force. Without the value of T, a direct calculation cannot be performed here. However, in practice and typical design scenarios, a central dip of 10 cm is a common value for a beam of this span and load, making option B the most likely correct choice based on standard design practices.

If a Rectangular Pre-Stressed Beam of an Effective Span of 5