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Design a suitable raft slab connecting the columns of a building (fig 4). Design of the continuous beam over the raft slab is not needed.
written 5.3 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 4.0 years ago

The size of the building is 12m x 12m with columns spaced at 4m intervals. Service load transmitted by the each column is 450kn column size is 300mm x 300mm. Soil SBC is 120 Mpa. Use M20 grade concrete & Fe415 steel. Use LSM.

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reinforced concrete structures design and drawing
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written 5.1 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 5.1 years ago

Given:

Column size: $(300 \times 300 ) mm$

Column load: $1450 KN$

$S_{BC}$ of soil: 120m pq

M20

Fe415

Solution:

1] Load

$\begin{aligned} \text{a) Total load on column } &= 4 \times 450 \\ &= 1800 KN \times 3 \\ &= 5400 KN \\ \text{} \\ \text{b) Self wt of …

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