The objective of minimum weight design in plastic analysis is to:
Choose the correct answer
Minimize deflections under service loads
Find the distribution of M_p values that minimizes total structural weight while providing a required collapse load
Maximize load-carrying capacity for given weight
Minimize the number of plastic hinges
Correct Answer
B. Find the distribution of M_p values that minimizes total structural weight while providing a required collapse load
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Minimum weight plastic design minimizes Σ(M_p,i × L_i) subject to the constraint that the structure can sustain the required collapse load with the correct mechanism.
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