178page

172 ^1129 Z+"JBJ @ =HsZlE 44 : =ts:E^lEg =r4tr9 ^l+ €E(workabillty)= +e6I= 71=o) €trI. @ EzlgE= Ae6Jq. Ef. == .elE El€ (1) P{Bzl dE =Hl 49 =r4EE 4€ +ql= ztl.rldrol ^J'J6l "l Bzl trIE"I ,l+d, e=9 Hll=, *z 4e. qlg Htl+, zl+d "Jq aA ^Jq Fg de6}= ,)+ Ell+ +,q+ oJol4.6J /ll++ +ZUql +q.+= 4ol fl4.lri luzy +lq _atrJzl E= +5ol+ rlaol 9l+ trI= 1.J +qLj= +q+ f,^l= ^Idql alq6lq E4. (z) =r4tr9 +H] H P"l'tzl =r4e.E eH] E+ql 4l_s. E4 E= *€9zl ?+E+ atl$zlrql 94 +q}6l q +q.-+.4. =r4E= +q.+g qlql. B 44tr+El +qB=q. ^Idql 4q € +qe 4 +q'tl olq *zlE g "Icl= +g ^I.Jg +9+4. O = *4ol CzlE Xg q+4. -H-, Elq+E olq *. 9lil. r e^Iolel + t+"il, 7l+g Hlq+ E= zl=9 qRE9E +4. @ olol*zl Eg zlg =u}alal zl49E 6J+. -H-, Elq+g fzlgE 7)+, qg luJe _ tr +4. @ +yJ ol ol*zlE g 'fl Al ol EJ ^ (taitance) E ,l zl 6Ir ol+ ^Jr= 44 E o = _ "J=q ^ldE E(cementpaste)+ +El P4ol + gS.5 +trI. (3) =r4Eq !-oJ =r4 e.E +q.+g 4+ ++ +*g +E6l 6l.z1 6It 42. q el q ql rI6J + €*zlE 6Iq =r4E7l iaq zlEql ES6IE+ +trI. +q.+g 3.J?J+ +4 ! _ 1g9l :cm) +^^ll 5E c5+Eg trll Tl5+Eol ol-J rll EE iH'i'J 7l^, El+rJ, H 5- lu '15-19 17 7lE, q 10-15 19-22 IU . * -1 7 .*-1 --? ==fl= ==, =L = ' -- ' .: 15-19 ll- 14 23