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126 ^11 4At ^11 sJ E ^fl ^H E (1) E4a9 E+e+ 7l+ Eqag zl ts^JgE E+6IE d^I+4 "JE+ 844"1 9.1.-r. +=t9 E+= pEE r+ "J+€ "l gl trI. E , I q ?= ?)+ "J ql ,J= E rC a (under blanket) ol 9l tr}. 9-s4+ E'8aq Frl= 1.65mm, 1.Bmm, 1.9mmel 49 r*"1 rl*all 91tr1. ul=q:* qlrxzl ql= atrql d+41= E-.1 dflr]ql ,J"l E€ ^l+6t= 1mm { +E 7)v 91tr1. B++ td q vJ+ zld tlE ql4zl= -e-silzl ql El6Iq F+"J"] 4mm$E F 4+q ql*E.l 2=.4"1 (ply) E= 3=+ol B'8ag ^I++r+. "JHI4 0s zI 1EH4 zI2E9 0.05mm Cs. +4Al +q 4rl 9E+ BzlE el all +4"J(glass beads)-tr. zt*+ c.B. aea Eqag ^I++tr}. 5+"; el H zlz) el. 5tr trI+4 ,Jtr|. c gg4 tdzl E4 1.98mm), B4a 1.9mm+98 0.15mm @ ggdglrxzl (Fa 3.2mm) ?l4zl ql ^l+6t= s_E BrSael Frl= 1.65-2.10 csolH +d 7l= HE + 0.25mm,4tll-tr- +0.3mmtrrEoltrl. AE= 72E-B4EE Xol Y*tr1 Auzy *e A+ vJBszI *e *ol 4l 4Balr, +g aE EJ*t f.l ql 4EI 6I+. E, €+ rllrJg 75E- ol6'L +rJ 4lzJ9 76-80E, =E 4lzJ9 7BE_ oltol ^l+9tr1. ql4lzl9 rtE +";ql qe} Frlq qlzJ 4E ++= EEI^lzloI +trI. E, ul + TlAl= -l*E 4 "l 4l zll 7 .57 - 2.29mm, +=J 7l al=g 3 .25 - 4.t5mm el 4ol BtrI. BrSaE ++e+ +E= [:-? 4-13]r+ asq, yllzJg ++= [:B 4-74Je+ ,Jt:I . (2) E4aE C e c++ E#"Jg 617l +lallrl= Bzl +4)= "Jolot +tr}. RrcaE.qql ,44 E6I zl qltql El 4 *zr "Jqg 4trrd F= aol 9,e-41q, El+E GATFe-l -H-r.ql E 6tE * 630e/cm'9 ;169 ztal +e+ +il- +a)E alr 9ltrl.Eqae "JrJ4 _ oE +5lE +41 1.9mm H_r+ +4Al T"ll gl=Eil, : _ ol+= daqql 'J"l =l 9. g "ll €4Zzl 4l+.lu}. B.da dBq +41 7I= 0.03mm Csolq, E_E rlol9 +41 zI= 0.06mm dsolr4. B4ag daqq zJ"l 4= ".Je s-sc7lL B gke/cm, s-sil sdTl = 12- 15ke/cm trr=o]4. E|+^] 9zl ql aq= ,JEe+ 7lA4 E"l'lzl g= +A 4A171 9sa121 gEutl , ssCTl Btsa9 .J*(ElrE) aE= AE 60-e0kg/grn