CIVIL ENGINEERING FORMULAS

A = bd

bd

b^2 + d^2

c 1 = d/2

S 1 =

c 1

1

3

c 3

2

b

b

Rectangle Triangle

d 1

d

2

3

3

3

c 1

c 2

b

Parabola Half Parabola

d

c 1

1 1

2 2

c

2

11

2

1

b^2

1

d

2

c 2 = d

c 3 =

bd^2

6

l 1 =bd

3

36

S 1 =bd

2

24

c 1 =^2 d

3

A =^2 bd

3

l 2 =bd

3

12

r 1 = d

r 1 = 18

d

12

l 1 =

bd^3

12

l 2 =

bd^3

3

l 3 =

S 3 =

b^3 d^3

b^2 d^2

6 (b^2 + d^2 )

(^6) b^2 + d^2
r 3 =
bd
6 (b^2 + d^2 )
l 1 = bd^3
bd
8
175
l 3 =
16
105
l 2 =
b^3 d
30
A =^2 bd
3
l 1 = bd^3
8
175
l 2 = b^3 d
19
480
A =bd
2
c =^3 d
5
c 1 =^3 d
5
c 2 =^5 b
8
12