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(JZS)Journal of Zankoy Sulaimani,dec, 2005, 8(1) Part A(31-45) %*&ÏögÐOÚA rÐG%& gÐGÀеÐËÑÁÊÁ@µ ÑÁ@¾â̺kÒÙÁ?iÒg@¡Ù} ´?hâÌ¥ÑKðÚÐÅeâÉögÒgʵ@GÉgʵ@G)Ñð¹@½âÊ_Ñðº}йMp_ÑÁchµMkÉgc ÃËdâÌ?jSd¾¿ÌÅ?ÌÔÉ?i½d?Ðð¹âÊK +´?hâÌ¥)Ä@LkcgʵѾâËgÐÅ)ÑÁ@¾â̺kÒâÊÁ?i)MlÁ?iÑT̹âʵ)ÑSâʹâÊÌSÑoÐG ÐL_ÊO ÉÏÉ?hk@GÄ@ÌÁ@µÐLoÉÏögMp}ÒfâËgcÐGÉÏÉÐKÏÉ?hµâʵ?dÁ@LkcgʵйÑð¹@½âÊ_Ñðº}йgâÊSÏcg?Êw?cÐËÏÉÐÂËfâËÊKÀй ÑÁ@µÏÉÐÁcẖ@Kѽ@ÐÔ+Mp_ÑÁchµMkÉgcâÊGÄÉ@ÌoâÊ_@ÔеÐÁðÛ}ÏgâÊSÀÐÔÑÁdÁ@ïÁÐlð¹ÐÅÉ@ÂâÌOйÏÉ?hµÒg@Ëc еÒÐÁ@ÁÉÊÉÐÔ+ÏÉеÐðº}ÒÉ@_ÒÐK@ÆâÌOÉÉ?hGÉ@ÁÄ?ÊâÌÁйÐËÐÅÉÐLOѵÐÌËdÁÏÊËÐOеMlgÏcÑÌLkÛOÒgÉÊÂk ÏÉÐÁ?ÉÐxãå èâÌOÐGÉÒdÁÏÉ@ÁÀ@½âÊGÄigÐGÑÌLkÛOÒgÉÊÂkÄÏÉ@_MËÛÌÔÉMË@Lâ̸ÏÉÑÁ@µÐÌËögʱÏÉ@_ÐGÄdÁнÐð¹ÉÏc +нjÁÄ@ÌÌLkÛOÒgÉÊÂk?ÉÐÔjKg?ʵÐGÄdÁнÐð¹ÉÏcеÒÐÁ?ÉÐÔ ÐµMp_йi?É@ÌSÒgâÊSâÑkâÊGÃâËhÂâÌÆGg@µÐGÄ@µÐÁÉÊMâËhÁ?ÊKÏcеMlgÏcÄ@µÐð¹âÊÁÏcÑËÏg@GбÑÁchËg@Ìo ÃKÊÌÁâʺ̵ÒâÊLkÐPð¹@OhâËeйÏÉ?gfâËög?cIð¹@±g?ÊwÉ@LoÐÅÐÁ@ÁÉÊÀй+gâÊËcÑLp_ÉÑo@µÉg?dÁʵÑLp_7qÌÁ?ÉÐÔ +ÄÉ?hÂâÌKÊk?cºÀɺÀɺÀ?c@ÌSÎ@½gÐ}ÒкOhâËeйÄ@o@OÉ ¿½, bulk density É water absorption ÉLinear shrinkage ¸ÏÉ ÑÁ@µ ÐÌÌÁ@̽ É ÑË@ËjÌ ÐLoÉÏög Mp} ÍÁchµ MkÉgc âÊG ÃâÌÊ}Ïc Ä@µÐÁÉÊ Ð¹ ·âËdÁЊе NÉеgÏc ?d½@ÐÔ Ð¹ ÉÏÉ?hµ ÐÁ?ÊâÌOcompressive strength +g?dÁʵÑLp_@ÅÏÉgÐÅ%ÄÊâÌG&ÉÐLOÑLp_ +´?h¦¹?´ho¼@ɼ@)Ð̺?Ð̹ÉÜ?c?Ê?ý´ÊG@ï¹?Ð¥@Âs ÃËd¹?Í?jSd¾¿ÌÅ?hG?É?i½d?ǹÊK +´?h¦¹?)Ä@Lkcgʵ¿Ìº±?)ÐÌÁ@¾Ìºl¹?Ц½@S)Àʺ¦¹?Ð̺µ)ÑSʹÊÌ?¿l± ÐsÛ? Ð¥@Ât¹@ÆLÌWÛsÒd½Ðh¦½»S?ýÄ@LkchµÑÐ̺?ÐÌÂÌï¹?c?Ê?ý@¥ÊÁhp¥Ð¦GgAuXÐk?gd¹?ÈfÅ ÐÌÂÌï¹? Äc@¦@G Ð̪¹? Ve@¾Â¹? QÌW + @ ÐÁÊ? c?Ê? §½ ÐËʱ бۥ c?Ê? Èf ÐÁÉdº¹? cÉdW ¿Ì± NhÆ¡A +´ÊG@ï¹? +Ðx®`½ÐÁÉd¹N?eMÁ@µjKg?ʹ@GÐ̪¹?Ve@¾Â¹?@½AÐïkÊL½?Ð̹@¥ÐÁÉd¹N?e%MËÚ?ÉMË@L& ÐHk@½Ve@ÉJʲP?´ÊG@ï¹?Ð¥@Ât¹ÏdÌSVe@ÑÅɨ?ÊÁAÐOÛOѺ¥Ve@¾Â¹?@ƦËiÊKhÆ¡AVe@¾Âº¹Ñ¾T?»ÌºXL¹? É ¿½,ÃKÊÌÁʺ̵ªwM@H¹@±Á@ÉЦGgA§Âs+gÊËd¹?´ÊG@}Ð¥@Ât¹ÐHk@½Ð̲H¹?É ÛH¹?´ÊG@}Ð¥@Ât¹ ÐÌÔ@ËjÌ®¹?@Æs?Ê_QÌWýI¹?ʲ¹?»µuX¿O+ºÀ ɺÀɺÀЮºLÏg?hWN@SgcMM±hW ÉÐÌ}@ªxÁÚ?нÉ@²?ÉÐ̾T?Ð@P¹?ÉÓ@?v@tL½ÚÐËÊÕ?ÐHl¹?ÉÊï¹?uº²Lº¹ÐËÊÕ?ÐHl¹?»P½ÐÌÌÁ@Ì? +JʲP?´ÊG@ï¹?Ð¥@Ât¹h_?¿l±ÉIºt¹?´ÊG@ï¹?Ð¥@Ât¹ÐHk@½ÄÊKc?Ê?ÈfÅý¿l±ÄEUÔ@L¹?NhÆ¡? Resaved on 21/5/2003 .Accepted 29/9/ 2004. +?c,,й?hµdÁÐkÐOÉ?c,, й?}gÏÉ 45