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� <br /> ,�i,���i ��. zoo� <br /> \ir. \lichad Krrr <br /> L���\ .luh \i,. �:\0�17 <br /> Pagc ± <br /> Ihc suils czp��xd on thc cul hanks ci�nsist uf ahnul .i Ii�nl ��I d;u'k-hru��n. orLanic tupsoil. <br /> undcrlain hc .i la�cr othro��n ��r,uhcrcd till of mrdium-J�nsc. siltc linr sand. abuut I.'_i to ?.0 <br /> Icrl. ��hich is Uun undcrlain b� a lipht-�r.ic ticsh lill Jcposit ol'siln tinr sand ��ith a trncc lo <br /> suntc graccl. 'fhc cut hanks a��pcarcJ to ha�c rcmaincd smhlc �cith n�� ,igns of r.nrlinL �n <br /> ,loughing. (iround�calcr scrp,i�r uut „(thr rut hanks �cas ohscrccd. llicrc ��:as somc stunJing <br /> �cutrr alung ihc husc uf thc cut hanl.s duc lo ground�catcr scc�iagc. A strcl I-har manuall� <br /> �wshrd in�o Ihc unJistwhcd 1'rrsh lill drpusit in Ii�on1 of thc cut hanks can pcnclrcuc nu mnrc Ihan <br /> ' : inch. in�lir.iiinc ihc fresh lill soils a�� �cn dcnsr. <br /> BLO('1� �1'AI.L DIitiIGN A\'D CO\'ti"1'RI�CI'ION <br /> GP.NI?RAi. <br /> I'hc carth hanks u�� k, ahuul � �cct hi�h cul imo Ihc till sails al high �hrar sircnLth at ihc suhjcct <br /> site �cill hc ahle ta mainlain lung-icrm stabilit� if IineJ h� a ��ropenc �onsu'ucteJ concrclr hlock <br /> �call. 'I hc hluck �c,ill shoulJ hc linindcd uia dcnsc. un.lislunc�d. nalicc. till .uils. I hr hasc-coursc <br /> hlocks shuul�l hr sct nn a 6-inch-mininnim la�rr ol cumpcictcd 7'8-inch-minus crushrd ruck h:isc <br /> ��laccd ���cr drn,c lill suils. ;\ drain ��ipc tihould bc ,ilarrd alnn� Ihc h;tsr uf thc ��:�II In inlrrcc��l <br /> and �Irain a�ca� prow�J��;Urr Ilm�ing lu��:irds thr ��all. Ihc �c,dl should hc h:icktillyd �cilh <br /> rump,iclyd suuctural lill consisling o( I'rcr-dr:iining tr:mul;v suils or TS-inch-minus crushcd <br /> rurk. II�thc ahorr rrcummcn�lalions ;irr im��IrmcnicJ. thc cnncrcic hl�,ck �call ��ill hc �uhjccic�l <br /> lo minim.d latcr:il soil �n hcJrostalic ��ressurc. Our drsign ol Ihc rockcn �calls is shu��n on Platc <br /> � auuchcd hcrrt��. <br /> ('O\Cl2P:1'I�. 13LU('K ��',U.L ('O\ti"fRl'�C7'10V� <br /> ('unsuue�i�m i�f th� r�mcrrtr hl��rk �e,�ll �hi�ul�l suin imnirJi;^_�, ���Il����in_ r�mi�,lr�iun ,�I ihr eu� <br /> h;inl.. ;in�l ihr i,r���.n urnch I hi I.����;i� ii�i�rh ���r ��lai�mim .,I ihi h:i.r-c�,ur.r hl�,cl.. •h��ul�1 <br /> �.it� �� n�.;���cif��rrs, i�c. <br />