A 3-storey reinforced concrete frame structure with design conditions: site class I, precautionary seismic intensity 8, design basic acceleration of ground motion 0.3g, design group 1, basic natural frequency T1 = 0.6332 s, damping ratio 0.05. The representative gravity loads of each floor and the lateral stiffness of each story are shown. Please: 1) Determine the shear force in each story under frequent earthquake using the base shear method. 2) Calculate the interstory drift and check whether it meets the design requirement of the code. G3=0.6G1

Structural Analysis
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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2. A3-storey reinforced concrete frame structure with design conditions: site class I, precautionary seismic
intensity 8, design basic acceleration of ground motion 0.3g, design group 1, basic natural frequency T1
= 0.6332 s, damping ratio 0.05. The representative gravity loads of each floor and the lateral stiffness of
each story are shown. Please:
1) Determine the shear force in each story under frequent earthquake using the base shear method.
2) Calculate the interstory drift and check whether it meets the design requirement of the code.
G3=0.6G1
K3=40 MN/m
G=G1
K=40 MN/m
Gı=1000 kN
K1=40 MN/m
TIT
TIT TIT
8.4m
7.2m
Transcribed Image Text:2. A3-storey reinforced concrete frame structure with design conditions: site class I, precautionary seismic intensity 8, design basic acceleration of ground motion 0.3g, design group 1, basic natural frequency T1 = 0.6332 s, damping ratio 0.05. The representative gravity loads of each floor and the lateral stiffness of each story are shown. Please: 1) Determine the shear force in each story under frequent earthquake using the base shear method. 2) Calculate the interstory drift and check whether it meets the design requirement of the code. G3=0.6G1 K3=40 MN/m G=G1 K=40 MN/m Gı=1000 kN K1=40 MN/m TIT TIT TIT 8.4m 7.2m
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