WSP03376

• File Number: 8220.200.05.J
• Description: Hoover Dam/Lake Mead/Boulder Canyon Project
• Basin: Colorado Mainstem
• Date: 1/1/1940
• Author: USDOI/BOR
• Title: Boulder Canyon Project Final Reports: Part V/ Bulletin 6 - Model Tests of Arch and Cantilever Elements
• Water Supply Pro - Doc Type: Report/Study

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TESTS OF ARCH AND CANTILEVER ELEMENTS

SECTION

PAGE

67 Strain measurements..__......__........__..............___...__. ____......nn..........__...._...................__.... 131
68 Stresses with fillets..............__..............____.............. ......................._......_.m..........mm..... 133
69 Stresses at fillets and intradoa.....___..........n....___m n...m.............___......._................._..... 136
70 Accuracy of stresses........................_m......_n..____m...n..mn.................mnn'..____.........____ 136
71 Canyon wall deformatioDS......umn................................:........__m.....____._u."hnnn....__.... 140

CHAPTER V-COMPARISONS OF ARCH STRESS

72 Introduction

.............................._...................................._.......n..u._.. ........__...................

143

NONLINEAR STRESS ANALYSIS

73 Description of analysis................n....................................m....._.................................. 143
74 Experimental stresses for unit load..........................................._m............................ 144
75 Interpolation of stresses......................................m....................................................... 146
76 Stress comparisons_..................................................................... ............m....... 148

SLAB ANALOGY EXPERIMENTS

77 Boundary conditions .................................................................. ................................... 148
78 Interpolation of stresses........m...............................m............._..m............................... 149
79 Comparisons of stresses................................ ............mm.......__......................... 149

CONCLUSIONS

80 Arch model tests.............._..................................................... ....................................
81 Plaster.ceIite models........................................................ ....................--...............

'n 153
154

CHAPTER VI-STRESS-STRAIN RELATIONS

INTRODUCTION

82 General ...........m.......... ..................... ........................... .................. 155
83 Early methods..........................................................................-........................................ 156
84 First use of rosettes........................ ....._........... .......................... ................................. 156
85 Improved system.............................................................................................................. 157
86 NomenclatUl'e and definitions...._..............................................._m............................m ]58

STRAIN MEASUREMENTS

87 Arrangement of gage lines.........................................................................--........m.."" 160
88 Adjustment of strains.............._.....................................__...........................--...............--. 161

STRESS-STRAIN RELATIONS

89 General equations ...........................__.__.......................................,...... ........................... 163
90 Specific relations ........................................_...............................................................__... 164
91 Computation forms ......................................................................................._............... 166
92 Boundary stresses .........................................................._................................................ 170
93 References ......._.................................................n...................--....................................... 171