Formwork for Concrete Structures by R.L.Peurifoy and G.D- By EasyEngineering.net

Downloaded From : www.EasyEngineering.net
viii
Contents
Examples of Using Bending Stress Equations for
Designing Beams and Checking Stresses
in Beams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Example 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Example 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Example 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Horizontal Shearing Stress in Beams . . . . . . . . . . . . . 98
Example 5-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Example 5-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Modified Method of Determining the Unit Stress in
Horizontal Shear in a Beam . . . . . . . . . . . . . . . . . . 100
Example 5-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Example 5-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Deflection of Beams . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Deflection of Beams with Concentrated Loads . . . . 105
Deflection of Single-Span Beams with
Concentrated Loads . . . . . . . . . . . . . . . . . . . . . . . . 106
Example 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Multiple-Span Beam with Concentrated Loads . . . . 108
Deflection of Beams with Uniform Loads . . . . . . . . . 109
Single-Span Beams with Uniformly Distributed
Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Example 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Deflection of Multiple-Span Beams with Uniformly
Distributed Loads . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Table for Bending Moment, Shear, and Deflection for
Beams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Calculating Deflection by Superposition . . . . . . . . . 113
Example 5-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Example 5-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Allowable Span Length Based on Moment, Shear, or
Deflection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Allowable Span Length for Single-Span Members
with Uniformly Distributed Loads . . . . . . . . . . . . 116
Allowable Span Length for Multiple-Span Members
with Uniformly Distributed Loads . . . . . . . . . . . . 116
Stresses and Deflection of Plywood . . . . . . . . . . . . . . 117
Allowable Pressure on Plywood Based on
Bending Stress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Example 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Example 5-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Example 5-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Allowable Pressure on Plywood Based on Rolling
Shear Stress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Example 5-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
ww.EasyEngineering.n
Downloaded From : www.EasyEngineering.net