PowerStrut Catalog

1 5 ⁄

8 "

Technical Data

7 ⁄

8 "

1 ⁄

2 "

1 ⁄

2 "

The information presented below is a direct reproduction from portions of the 8th Edition of THE MANUAL OF STEEL CONSTRUCTION by express permission of the American Institute of Steel Construction.

Beam Diagrams and Formulas (Simple Beams)

P

a b P

L

Pb L

2

R 1 =

P 2

W 2

R=

R=

L

L

L

Pa L

W 2 WL 8

P 2 PL 4

R 2 =

R

R

R

R

R 2

V max. =

V max. =

R 1

V

V

V

Pa L Pab L

V max. =

M max. =

M max. =

max. = 5WL 3 384EI

PL 3 48EI

M max. =

max. =

M

M

M

Pab(a+2b) 3a(a+2b) 27EIL

max. =

Beam Diagrams and Formulas (Beams fixed at one end, supported at other)

P

a b P

L

Pb 2 2L 3

2

R 1 =

(a+2L)

5P 16

3W 8

R 1 =

R 1 =

L

L

L

Pa 2L 3

5W 8 WL 8

11P 16 3PL 16

R 1

R 2 =

(3L 2 -a 2 )

R 1

V max. =

V max. =

R 1

R 2

V

V

V

M max. = max. at x = 0.4215L

M max. =

M at point of load = R 1 a

3L

8

max. at x = 0.447L

Pab 2L 3

M at fixed end =

(a+L)

3 185EI

M

M

M

Tech. Data Fiberglass Power-Angle Jr. Channel Unipier ® Solar Components Concrete Inserts Electrical Pipe & Conduit Clamps Fittings Fasteners Metal Channel

max. = WL

PL 3 EI

3L

max. = 0.009317

4

Beam Diagrams and Formulas (Beams fixed at both ends)

P

a b P

L

P 2 PL 8

W 2 WL 12

2

Pb 2 L 3 Pa 2 L 3

V max. =

V max. =

R 1 =

(3a+b)

L

L

L

M max. =

M max. =

R 1

R 2

R 2 =

(a+3b)

max. = PL 3

V

V

max. = WL 3 384EI

V

192EI

Pab 2 L 2 Pa 2 b L 2

M 1 =

M 2 =

M

M2

M1

M

151

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