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

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Index 515
Design of forms for:
bridge deck, 431–437
concrete beam, 340–348
concrete columns, 284–288,
293–296
concrete slab, 149–159
concrete wall, 220–230
elevated concrete slab, 253–263
foundation wall, 197–202
Design of wood members:
allowable loads on wood
shores, 132
allowable pressure on plywood,
115–127
allowable span lengths of wood
members, 115–117
analysis of bending moments,
90–92
bearing stresses perpendicular
to grain, 132–135
bending stresses in beams,
92–93, 95–98
bracing for wall forms, 144–149
calculating deflection by
superposition, 113–115, 436
compression loads on vertical
members, 127–132
deflection of beams, 104–111,
113–115
design equations for plywood,
128
design equations for wood
members, 128
design of forms for concrete
slabs, 149–159
design of forms for concrete
walls, 135–144
equations used in design, 89–90
loads on structural members, 89
lumber vs. timber members,
88–89
modified shear stress in beams,
100–104
moment, shear, and deflection
equations, 111–112
shear stresses in beams,
99–100
stability of bending members,
93–95
stresses and deflection of
plywood, 117–118
Design reference stress values for
lumber, 47-48
E
Economy in formwork:
beam and column intersections,
12
building construction, 16–19
design repetition, 10
dimensional consistency, 11
dimensional standards, 10
impact of structural design, 7–8
making, erecting and stripping
forms, 14–15
overall economy, 19
removal of forms, 15–16
sizes of beams, 13
sizes of columns, 11
suggestions for design, 9–10
Equations for allowable pressures
on Plyform, 60–63
Equations used in design, 89–90
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F
Failures of formwork:
causes of failures, 185–186
concrete buggies, 190–193
concrete falling on deck, 187–190
dynamic forces on formwork,
193
forces acting on vertical shores,
187
prevention of failures, 185
Fasteners:
nails, 74–77
screws, 78–81
ties, 246–250
timber connectors, 82–84
Fiber form tubes, 72
Flat use adjustment factor for
wood beams, 52
Floor slabs:
definition of terms, 321–322
design of forms, 322
flat-slab floors, 338–339
joist spacing, size, and span
lengths, 322–325
ledgers, 338
loads on floor slabs, 320–321
safety of slab forming, 320
size and span length of joists,
327–332
spacing of joists, 322–325
stringer size and spacing,
337–338
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