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