Civil Insight: A Technical Magazine Volume 3 | Page 39
Dongol N. et al.
Civil Insight (2019) 37-44
Table 1. Parameters considered for the residential building
Structural Parameters
Size or Description
Beam; Column
Depth of slab
Number of story
Height of story
Plinth area of the building
Type of foundation
Concrete Strength; Rebar Strength
a) Ground floor plan
230mm x 430 mm; 300mm x 350mm
125mm
5
3m
89.466sq.m
Isolated footing
M20 and M25; FE500
b) South elevation
c) Isolated footing
Fig. 1. Drawings of the residential building
For the spring modeling, the stiffness of soil is calculated using the equations referring the FEMA 356, as
shown in Tables 2 and 3, and the soil properties are shown in Table 4.
Table 2. Embedment Factor (FEMA-356, 2000)
Embedment Factor β
Description
β for Translation
along X-axis, β x ܦ
݄ ݀ሺܤ ܮሻ Ǥସ
ͳ ͲǤʹͳඨ ݔ ቈͳ ͳǤ ൬
൰
ܤ
ܤ
ʹܮ
β for Translation
along Y-axis, β y ܦ
݄ ݀ሺܤ ܮሻ Ǥସ
ͳ ͲǤʹͳඨ ݔ ቈͳ ͳǤ ൬
൰
ܤ
ܤ
ʹܮ
β for Translation
along Z-axis, β z
β for Rocking
about X-axis, β xx
ͳ
ܦ
ܤ
ͳ ݀ሺܤ ܮሻ Ǥ
൬ʹ ʹǤ ൰൨ ቈͳ ͲǤ͵ʹ ൬
൰
ʹͳܤ
ܮ
ܤ
ܮ
൦ͳ ʹǤͷ
39
݀
ʹ݀ ݀ ିǤଶ ܤ
ඨ ൪
ͳ
൬ ൰
ܤ
ܤ ܦ
ܮ