tykxedk;Zizf'k{k.kiqLrd

198 ukysdkmipkjotylaxzg.k%feV˜Vhdsckaa/k
12.4.5 leryjsrNUuh (HorizontalSandFilter)oiRFkjksadk
vaxwBk(RockToe)
fdlh Hkh cka/k esa pkgs okg fdruh Hkh vikjxE; feV˜Vhdk D;ksa u cuk gks] mlesa
fjlu dh js[kk ¼lhist ykbu½ t+:j ekStwn gksrh gSA vxj ;g js[kk cka/k ds ihNs dh
vksj ry ds Åij ls fudys rks og feV˜Vh dVko iSnk dj ldrh gS ftlls cka/k dks
[krjk gSA rkfd ikuh cka/k ds vkj&ikj u gks] bl js[kk dks uhps [khapus dk mik;
fd;ktkrkgSAcka/kdsryijuhpsdhvksj (downstreamside) 30&50ls-eh-eksVh
jsr dh lery Nuuh cukbZ tkrh gSA blds vkSj ihNs iRFkj ds vaxwBs esa mYVh NUuh
¼fjolZfQYVj½cukbZtkrhgSftlesalclsigysckjhdfeV˜VhvkSjfQjyxkrkjvf/kd
[kqjnjhfeV˜VhvkSjvarr%iRFkjfcNk,tkrsgSaAcka/kdhfeV˜Vhdsvf/kdikjxE;gksus
ds dkj.k iRFkjksa dk vaxwBk fjlu dh js[kk dks uhps [khap cka/k ds vkjikj ugha gksus
nsrkA
12.4.6 ikyodksjoWky (embankmentandcorewall)
fuekZ.klkexzhdsvk/kkj ijfeV˜Vhdscka/krhuizkdkjdsgksrsgSa%
1- ,dghizdkjdhfuekZ.klkexzhlscukcka/k(damsofhomogeneousmaterial)%
tgka fpduh feV˜Vh fcYdqy Hkh miyC/k u gks ogka lk/kkj.k feV˜Vh ls gh iky
cukukiM+rkgSA,slsikydkvkdkjvf/kdcM+kj[ksaaAikyesafeV˜VhdksvPNh
rjgdwV&dwVdjHkjsaAdksf'k'k;gHkhdjsafdcka/k,slhtxgcuk,atgkauhao
dM+diRFkjdhgksAblizdkjdscka/kesavaxwBk (rocktoe)vo';cuk,aA
2- dksj okWy okyk cka/k (corewalltypedam):tgka fpduh feV˜Vh lhfer ek=k esa
miyC/kgksogkacka/kdschpksachpfpduhfeV˜VhdhvikjxE;nhokj¼dksjoWky½
[kM+h djsaA ;g nhokj dkyh feV˜Vh ds xksyksa dks dwV&dwV dj cuk,aA bl nhokj
dks lgkjk nsus ds fy, nksuks vksj lk/kkj.k feV˜Vh dks vPNh rjg dwV&dwV dj
HkjsaAfeV˜Vhdksblrjgtek,afdlclsckjhdfeV˜VhvanjdhvksjgksvkSj
[kqjnjhfeV˜VhckgjdhvksjA
3- gkfVZx dsflax izdkj ds cka/k (heartingandcasingtypedam)% tgka fpduh
feV˜Vh vklkuh ls feyrh gks ogka mls dwV&dwV dj cka/k dk vikjxE; g`n;
¼gkVZ½cuk,aAysfdugkVZdschpesadkyhfeV˜VhlsHkjh[kUrhgksxhAblg`n;
dks lgkjk nsus ds fy, nksuks vksj lk/kkj.k feV˜Vh dks vPNh rjg dwV&dwV dj
HkjsaAfeV˜Vhdksblrjgtek,afdlclsckjhdfeV˜VhvanjdhvksjgksvkSj
[kqjnjhfeV˜VhckgjdhvksjA