ERRATA for PE Civil Structural Sample Questions and Solutions

ISBN 978-1-932613-63-6 Copyright 2011

Errata posted 07-25-2011

Page 1

Structural Module Question 528, p. 45:

Option (A) should read as follows:

ASD LRFD (A) 1.1 1.7

Solution 528, p. 81:

The solution should read as follows: By inspection P controls.

n p y x y

y

2 2 3x

y y x

2 2 3x

p y x

p y

n

AISC ASD:

M M F Z 1.6 M

F 36 ksi

S 1/6 bd 1/6 (6)(0.375) 0.141in

M F S (36)(0.141) 5.08 in.-kips

Z 1/4 bd 1/4 (6)(0.375) 0.211in

M F Z (36)(0.211) 7.6 in.-kips

M 7.6 in.-kips 1.6 M 8.1 in.-kips OK

M /

allow

n p y x y

y

2 2 3x

y y x

2 2 3x

p y x

7.6/1.67 4.55 in.-kips

P 4.55/4 1.14 kips

AISC LRFD:

M M F Z 1.6 M

F 36 ksi

S 1/6 bd 1/6 (6)(0.375) 0.141in

M F S (36)(0.141) 5.08 in.-kips

Z 1/4 bd 1/4 (6)(0.375) 0.211in

M F Z (36)(0.211) 7.6 in.

p y

n

n

-kips

M 7.6 in.-kips 1.6 M 8.1 in.-kips OK

M 0.9(7.6) 6.84 in.-kips

P 6.84/4 1.71 kips

THE CORRECT ANSWER IS: (A)