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<br /> <br />"0"; 9C <br /> <br /> <br />Qonc.;oaflFlow <br /> <br />Figurc4. A!\CCtioIl\1CWoftMapexoftheU~!Ure. <br /> <br />Figure <I shows. section view of the 'pelt oflhe mh. This Figure $hOWl that the aroh <br />islunk.intotheriverbcdsuehthalthecresloflhertru~'"ticbilwhighestpoinl(lnth., <br />upSlteamlide.l.evcmwithtbeeltistingrivo:rbed'llheeenlcrofthcloWl1owcbanncI.S~ <br />the low /low poinl of the ltnlclUl'e even with !be c~ riverb<'d iw two .,trcw. Fim it <br />Cll5tJm;tblthe=nstriClcdriverlcvcJiJnohigberthantbec~i5Iingrivl'Tlc"cJandKCOndl)' <br />11~th.atthcrearenod)'lUlmicl1uidrarcesonthcSlnlC1lJR;ductoC=ltlOW. Sinking <br />!he areh in the riverbed also supporu the structure Ialenlly and prevena tonion on the <br />-.... <br /> <br />^ bue rock, also ~n in Figure 4. is JhOWTl at the do....nslrram end of the SlI1lclure. <br />ThebuerocloillsunlcinlOlbecobblcanditbyedinlotheroekthatfllJIl1Stbeslructurcinorder <br />to ,dnror~ the WucI\l1O.aDd 10 protect the IItruClutc from erosion C&lJSC'd by eddy cumn1J. <br /> <br />12 <br />