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<br />In <br />:;-.J <br />If) <br />N <br /> <br /><.:. <br /> <br />4 <br /> <br />STRESS STUDIES FOR BOULDER DAM <br /> <br />AIRY'S FUNCTION AND SLAB ANALOGY <br />SECTION PAGE <br />U Airy's function................,........................ 121 <br />75 Slab analogy.................. . . . . . . . . . . . . . . . . . . . . .. .. 122 <br />76 Representation of stress.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 124- <br />77 Requirements ............... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 125 <br />78 Sunimary of operations. . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . .. 126 <br /> <br />UNIT LOADS <br /> <br />79 Distributed loads.......... <br />80 Concentrated loads...................... <br /> <br />127 <br />IZ8 <br /> <br />CHAPTER VI-FIXING THE SLAB BOUNDARIES <br /> <br />81 Preliminary statement........ <br /> <br />131 <br /> <br />WEIGHT ANALYSIS <br /> <br />82 Method of superposition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />83 Fixing the boundaries......... ......................... .............. <br /> <br />131 <br />133 <br /> <br />WATER LOAD ANALYSIS <br /> <br />84- Genera.! ...................................................... 140 <br />85 Fixing the boundaries....................... ......................... 14-1 <br /> <br />FOUNDATION BOUNDARIES <br /> <br />86 General...................................................... 142 <br />81 The foundation as a semi-infinite plate. , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. l4-:l <br />88 Foundation boundary, weight analysis........ ...,..,.................. 144- <br />89 Foundation boundary, water load analysis. .... ... . .. . . . . . . ......... . . .. 141 <br /> <br />CHAPTER VII-MAKING THE NONLINEAR STRESS <br />ANALYSES <br /> <br />90 General statement................ .................................. 149 <br /> <br />TWISTING MOMENT ADJUSTMENT <br /> <br />91 Method of adjustment.. . .. . .. . . . . .. . .. . .. ... . . . . . . . . . . . . . .. . .. . .. . . .. 150 <br />92 Equilibrium and continuity.......................................... 151 <br />93 First trial twist loads. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . .. 152 <br />94 Succeeding adjustments.. . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 153 <br />95 Bending moments due to twist........................................ 154 <br />