Graphics for Engineers, Architects, and Builders: Bridge trusses

Front Cover
J. Wiley and sons, 1891 - Arches
0 Reviews
 

What people are saying - Write a review

We haven't found any reviews in the usual places.

Contents

Maximum Bending Moment at a Section
24
To bring the Closing Line Horizontal
25
Diagram of Maximum Shear
26
CHAPTER II
27
Shear Diagram for the Same Load
28
Effect on Diagrams of Movement of Load
29
Curve for Maximum Shears
30
SECTION TABU 21 Proof General Formula for Shear 81
31
Equation of the Shear Line
32
Diagonals and their Stresses
33
Stresses in the Verticals
35
Stresses in the Chords
36
ChordStresses continued
37
Parabola for ChordStresses 88
38
Sections of Pieces
39
Moment Diagram for Partial Moving Load
40
Shear Diagram for Partial Moving Load
41
Stresses due to Locomotive
42
TRUSSES WITH HORIZONTAL CHORDS SINGLE SYSTEMS VARIOUS TYPES 33 General Example
44
Howe Truss
45
Pratt or Single Quadrangular Truss
46
Comparison of Trusses
47
Warren or Triangular Truss every Joint loaded
48
The Same alternate Joints loaded
49
Comparison of Trusses
50
Baltimore Bridge Companys Patent Truss
51
Kelloggs Patent Truss
53
Truss of Odd Number of Panels
55
Trapezoidal Truss
56
Bollman Truss
57
Maximum Stresses from Concentrated Moving Loads 178
58
CHAPTER IV
59
Stresses in Diagonals and Verticals
61
SECTION PAGE 51 Inclined EndPosts
62
Odd Number of Panels
63
Triple Quadrangular Truss ChordStresses
64
Stresses in Diagonals and Verticals
66
Double Triangular or Warren Truss
67
Lattice Girders
70
Post Truss
71
Load on Top Chord ChordStresses
75
WebStresses
76
TRUSSES WITH INCLINED CHOBD8 62 General Remarks Effect on ChordStresses
78
Effect on Stresses in Diagonals
79
Stresses in the Verticals
80
Remarks
81
Stresses when Shorter Segment is loaded
82
Maximum Equilibrium Polygon Sufficient
83
Rolling Load to extend to the Panel for Maximum Stress in the Brace
85
Bowstring Girder
86
ChordStresses
87
No Stress in Diagonals for a Complete Load Tension in Ver ticals
88
ChordStresses when Verticals will not transmit Tension
89
Maximum Stresses in Braces
90
Stresses in the Verticals
92
Recapitulation
93
Triangular Bracing
94
Bowstring Girder with Circular Bow
95
Extent of Continuous Load to produce Maximum Stress in a Diago nal of any Truss
96
Both Cases combined
107
Beam supported at Both Ends Single Eccentric Weight
108
Beam on Two Supports but overhanging
110
Beam supported and fixed at Both Ends Weight in Middle
113
Beam fixed at One End supported at Other uniformly loaded
115
CONTINUOUS TRUSS OF TWO SPANS 103 General Principle of Continuity
117
Abutment Deflections
118
Areas and Centres of Gravity
119
Value of the Pier Ordinate
120
Remarks
121
Shear Diagram
122
Formula for Pier Moment for a Continuous Load
123
Example
124
Load on One Span only
126
SECTION PAGE 115 Discussion of Results
127
Length of Chord under each Kind of Stress
128
Partial Load on One Span
129
Completion of Shear Diagram Analysis
130
Remarks
132
Checks on the Accuracy of Diagrams
133
Closing Remarks
134
CHAPTER Vm
136
Pier Ordinates
137
Solution of Equations
138
Shear Diagram
139
ThreeMoment Theorem for Single Weignt
140
Piers not on the Same Horizontal Line
141
Three Spans
142
Points of Contraflexure ChordStresses
144
Joints requiring Special Treatment
145
Shear Diagram
148
Deflection of a Continuous Girder
149
CHAPTER IX
150
PartiallyContinuous Girders
152
Fixing Points of Contraflexure by Hinges
153
Element of Indetermination in Multiple Systems of Bracing
155
Weighing the Reactions
156
CHAPTER X
158
Draw as Two Single Spans 15P 145 Draw as a TwoSpan Continuous Girder
159
Draw balanced on Pivot when closed
161
Condition that Draw shall rest on Three Points
162
Shear Diagram and Points of Contraflexure
163
Draw with Locked Ends
164
Draw with Ends partially lifted
165
Example
166
Discussion
168
WebStresses
169
Remarks
170
Draw of Three Spans
171
Values of Pier Ordinates
172
Circular Girder carried by Pivot Draw of Two Spans with Tipper
174
Second Condition for Pier Ordinates
175
Special Treatment
176
Remarks
177
APPENDIX Maximum Stresses from Concentrated Moving Loads
178
Bending Moments on Pins
181
Retaining Wall or Abutment
183
Copyright

Other editions - View all

Common terms and phrases