Can anybody tell me how to calculate the quantity of a
trapezoidal footing?With its formula and an example.
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Answer Posted / s.prabhu
Please divide the footing in to 2 parts i,e 1) Bottom
rectangular portion & 2)top slope portion
Total volume (V) = v1+v2
Volume of bottom / rectangular portion is called as Volume
(v1)
Volume of top / slope portion is called as Volume (v2)
V1 = L1xB1xh1
V2= h2/3* (a1+a2)* square root of (a1+a2)
L1= length of bottom portion
B1= breadth of bottom portion
h1 = height of bottom portion
L2 = length of top portion
B2= breadth of top portion
h2 = height of top portion
a1= area of bottom bottom Portion = L1*B1
a2 = area of top rectangle portion= L2 *b2
For any clarification
Please call
S.Prabhu
9901702081
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