Fundamentals of Building Construction
6th Edition
ISBN: 9781118138915
Author: Edward Allen
Publisher: WILEY
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Chapter 4, Problem 2RQ
To determine
Write the two basic requirements of a type IV timber construction specified in the international building code.
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Consider the two composite columns shown below and denoted as columns 1 and 2. These columns
have same gross area but differ in the geometries of the steel and concrete components. In particular,
the square steel hollow section in section A-A (for column 1) has thickness of t, while the square steel
hollow section in section B-B (for column 2) has thickness of 2t.
a
t
t
Column 1
steel
steel
concrete
concrete
B
B
Column 2
2t
2t
2t
2t
a
a
Section A-A
(for column 1)
a
Section B-B
(for column 2)
Assume that these columns are subjected to the same sustained load Po applied at time to and
maintained constant afterwards (see time axis below).
РА
Ро
0
time
Provide a qualitative description of the variation over time due to creep effects (do not consider
shrinkage effects in this question) of the following variables for each of the two columns considered
(i.e. columns 1 and 2):
1) deformations in the concrete
2) deformations in the steel
3) stresses in the concrete
4) stresses in the steel
For…
For the truss shown in Fig 2, determine the nodal displacement and member forces for all elements of the truss. Assume for each member A = 0.0015 m2 and E = 200 GPa
please show all working, relevant FBD's and use ID's indicated in the diagram.
Note: the truss has a vertical measurement of 2m and a horizontal mesurement of 2m
α
t
Αν
'A
B
'B
Column 1
Column 2
t
t
α
Section A-A
(for column 1)
steel
steel
concrete
concrete
2t
2t
2t
2t
a
Section B-B
(for column 2)
Chapter 4 Solutions
Fundamentals of Building Construction
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