The concrete composite post in Figure 2 is 1.5 m long with a 0.3 x 0.3 m square cross section. The post is reinforced by four vertical steel rods of the same length having a cross- sectional area of As 0.00135 m2 each, and is loaded by a single vertical load P 600 kN applied on the rigid cover plate as shown below. The modulus of elasticity for concrete is Ec = 17 GPa, whereas the modulus of elasticity of steel is Es = 200 GPa. Determine the stresses in the steel rods and concrete. P=600KN Rigid cover plate Post cross section Steel rods
The concrete composite post in Figure 2 is 1.5 m long with a 0.3 x 0.3 m square cross section. The post is reinforced by four vertical steel rods of the same length having a cross- sectional area of As 0.00135 m2 each, and is loaded by a single vertical load P 600 kN applied on the rigid cover plate as shown below. The modulus of elasticity for concrete is Ec = 17 GPa, whereas the modulus of elasticity of steel is Es = 200 GPa. Determine the stresses in the steel rods and concrete. P=600KN Rigid cover plate Post cross section Steel rods
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The concrete composite post in Figure 2 is 1.5 m long with a 0.3 x 0.3 m square cross
section. The post is reinforced by four vertical steel rods of the same length having a cross-
sectional area of As = 0.00135 m2 each, and is loaded by a single vertical load P = 600 kN
applied on the rigid cover plate as shown below. The modulus of elasticity for concrete is Ec
= 17 GPa, whereas the modulus of elasticity of steel is Es = 200 GPa. Determine the stresses
in the steel rods and concrete.
P=600KN
Rigid cover plate
Post cross section
Steel rods
As =
0.00135m2
0.3 m
1.5 m
each
0.3 m
Concrete
Figure 2: Composite concrete post
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