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<br />"'.1 <br />c,:; <br />N <br /> <br />o <br /> <br />2 <br /> <br />TRIAL LOAD METHOD OF ANALYZING ARCH DAMS <br /> <br />CHAPTER' II-DESCRIPTION OF THE METHOD <br /> <br />THE STRUCTURE <br />SEOTION PAGE <br />15 Types of dams analyzed ................. ...................... .................nn...._........ 26 <br />16 Linear stress assumption ....m._.......__........................ ..n........mn..__........______._.... 25 <br />17 Coordinates __u___...__.............___......__........nnnn__......._n .......n_.._..__..___..................___.. 26 <br />18 Arches and cantilevers -.-....................................... ............................................... 25 <br />19 Trial load adjustments hn_"O__ .................nn..__ .....m......................__ __...............__. 26 <br />20 Vertical displacements .............................._.........__ .................................__.. 27 <br /> <br />LOAD CONDITIONS <br /> <br />21 General ......__nnn..nn..........__nnn................__nn......___n .............n.........................__nn 28 <br />22 External loads hnnn_..__...........__unu.__n...........__...................... .u.......__.........__nnn.... 28 <br />23 Internal loads .___n_..n__.n......hn_ ................. ...........h...n_...... ................h......._n..._n 29 <br />24 Application ot loads ...... .......mm_.................._....... ..............................__ 29 <br /> <br />CANTILEVERS <br /> <br />25 Description ..........n_n.n........h........n...n_..........n__..hn..........h.n .0000...00..._00....0000..00__.. 31 <br />26 Unit radial loads ........m....h.........._..n..............._................ ....___.n.............h....n_.._ 31 <br />27 Cracked cantilevers '.""0000 ...._........h...hnn_..h..nn__......hn..........n..nn..............Un'_ 31 <br />28 Untt tangential toads ........................................... ................................................ 81 <br />29 Unit twist loads ......hhnn__._..............n..............n.._..h..h........n_n.........h.n......._...... 33 <br />30 Secondary movements ..............nn..............____._____.h___....._.h_..h____............h___.____.. 33 <br />31 Deflections ot unit loads ........ ...................... ..m...........n.........h........._.............nn 33 <br /> <br />ARCHES <br /> <br />32 General description ........... ..._00....___...........______...... .........._____m.. 34 <br />33 Unit radial loads nn......_....m ..........n...m ........................___._.. 34 <br />34 Unit tangential loads hn"h"",,,,"n...m___..........___ ..................... .'m'hmnn.. 34 <br />35 Unit twist loads n..hn..hh..h.n_............h............_...nmm....nnm m............. 34 <br />36 Concentrated loads ....hn..m.__nm_.___......... ....00............................ ........00..... 36 <br />37 Temperature loads .......h_....n.._.........._................n..:mn..n............. ....................._.. 36 <br />38 Secondary movements n..h_.......nn................. ...................... ..................... 36 <br />39 Cracked arches ..h...h___............._...... ....................m.......... ..nnn.....m..h......_..m..... 37 <br /> <br />TRIAL LOAD ADJUSTMENTS <br /> <br />40 General statement .............m..m.n..nn........................ 37 <br />41 Radial adjustment _.................___...___.________..___................ 37 <br />42 Tangential adjustment ....___00.... .....___.....mn..___.hm..m .......... .______.............. 37 <br />43 Twist adjustment m.mm_.......................______... .........._._...... ................___....h. 38 <br />44 Sequence of adjustments ..00..00....000000............ ................. 38 <br />45 Adjustments tor Poisson's ratio ......n...........h..h_.........hn.... 39 <br /> <br />RESULTS OF ANALYSIS <br /> <br />46 Movements ......00............................0000____........00 <br />47 Stresses ...... ................... ................. <br /> <br />....................................... 39 <br />39 <br />