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<br />~ <br />.... <br />L" <br />N <br /> <br />C- <br /> <br />6 <br /> <br />MODEL TESTS OF BOULDER DAM <br /> <br />CHAPTER VII-TRIAL LOAD ANALYSIS OF MODEL <br /> <br />INTRODUCTION <br />SECTION PAGE <br />130 General hOo....................................__...... n...................__........... ..........____..__.... 225 <br />131 Data and assumptions _mmn' ...n____...n....... ...............hm um................. 226 <br />132 Gantilever elements ....m................................. .........__.................___..__..............__...... 227 <br />133 Arch elements ...................................................................... __........_.h.......___............. 229 <br /> <br />RADIAL ADJUSTMENT <br /> <br />134 Procedure .... .....n..h....................__........... <br />135 Distribution of load................................. <br /> <br />.................................... 231 <br />........................ 234 <br /> <br />TANGENTIAL ADJUSTMENT <br /> <br />136 Tangential arch deflections....._____................................... _......m__.....m.. 234 <br />137 Tangential shear loadsn..................___.___.......... ......................................... 235 <br /> <br />TWIST ADJUSTMENT <br /> <br />138 TWist loads .................................................................................................................. 227 <br />139 Procedure .................._................................................................................................... 238 <br />140 Additional adjustments ........ . .................m.m........................ ......m..............._...... 238 <br /> <br />RESULTS OF ANALYSES <br /> <br />141 Stresses and deflections........................... ...................m..... .................................... 240 <br />142 Comparison with experimental stresses....... ............................. .......... 240 <br />143 Comparison with measured deflections..... ..........mm.............. ............. 248 <br /> <br />CHAPTER VIII-INVESTIGATION OF RUBBER- <br />LITHARGE MATERIAL <br /> <br />144 Introduction <br /> <br />........................ 249 <br /> <br />STRESS.STRAIN RELATIONS <br /> <br />146 Characteristics of material........ ............................................... ............................. 249 <br />146 Notation ................."'........................... ................"'...................... 250 <br />147 Elastic symmetry .................~.......................................u......................................... 261 <br />148 Elastic constants ........................................................................................................ 253 <br />149 Volume modulus .......................................................................................................... 254 <br />150 Axis of symmetry......................................................... "''''....'''..................... .."'.... 254 <br />151 Isotropic conditions in two directions................m............................................... 255 <br />