Determine the instantaneous and long-term deflection of a 20-ft-span simply supported beam as shown below for the following given conditions: b = 14 in., d = 20.5 in, h = 24 in, As = 8#9 bars, WD = 3.8 k/ft, WL = 2.8 k/ft, PD = 8 kips and PL = 6 kips. The dead loads include the self-weight of the beams. Use n = 8, fe' = 4 ksi, fy = 60 ksi, and a time limit of 5 years. Use the following table to calculate the time dependent factor for sustained loads. Multiplier for long-time deflection Period (months) 5 1 0.5 3 1.0 6 1.2 P PD -20' 0" (6 m) 12 1.4 24 1.7 36 1.8 48 1.9 60 and over 2.0

Determine the instantaneous and long-term deflection of a 20-ft-span simply supported beam as shown below for the following given conditions: b = 14 in., d = 20.5 in, h = 24 in, As = 8#9 bars, WD = 3.8 k/ft, WL = 2.8 k/ft, PD = 8 kips and PL = 6 kips. The dead loads include the self-weight of the beams. Use n = 8, fe' = 4 ksi, fy = 60 ksi, and a time limit of 5 years. Use the following table to calculate the time dependent factor for sustained loads. Multiplier for long-time deflection Period (months) 5 1 0.5 3 1.0 6 1.2 P PD -20' 0" (6 m) 12 1.4 24 1.7 36 1.8 48 1.9 60 and over 2.0

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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