é??????'??'ú??ò?·??1óD?T1???
??'ú????????ê?·?2úò??°
??'ú????????ê?·?2úò??°
oü?àéèê???ò?oí??'ú??ò??????2??ò??-2??ùDèòaíáèà????ê???ó?á????????êà''úì?íáèà?????·?ê??ò??????2????íáèà??òa?ó±è??????2?ó?íáèà?????2???a??á?íáèà??íá'?D?2?o|??°üà¨??2??è?êìa?????ò?1?éò??ù?Y????×÷??éú3¤?ú??????D????÷??×÷???ùDè??óa??3é·???ó???1à??D?ê??y?y1?????
?Tíá???àààDíoí·?·¨óDoü?à????ììD?±àê???á??à1?×êá?????àí3??a3??3?????·?ê???'ó?ò×÷???ééü??
1.???à
???àê?ò???D?Dí???2???Tíá???à·?ê?????o?D?ê????2???ù??Dü??2?1ì?¨óú?2??óa??òo?D??ê1?2???ü1??y3?éú3¤2?íê3é??????éú?ü?ü?ú??òò'???ó???óa??òo?à??
???àóa??òoê?2éó??·?3éú??éúì?12éú??ê?oí?ú?ù12éú?-àí?-éú??·??í?????§òüo?????àí?????è1¤ò?o?3é??ò???D?Dí???à?2??óa??òo????óD?2??óa??oí???ê??é???1|D§???é'úì?íáèà?ò?2??ìá1?????·ê??????èè?èéú3¤òò×ó???ü?ú×????à?2??éú3¤?ùDè??ì??t??
?ù?Y×÷????2úá????éò?è?1¤????3?2?í???óa??òo??°'??×÷??????éú3¤?ú??Dè?ó???ù?Y????éú3¤???ú????ò?'???×÷????éú3¤Dè?ó??
2.?ò?T???à
?ò?T???àê????2?????2óú?¤?è??×?o????ò?T?D?????à??ê????ò?Tê?óé60%?????ì?ò??20%ê??ò?òoí20%???1ì????ú1600??????????è???????3é0.005mm????????2??13é?é??ê1????á??a77??80kg/m3??3é???T?ú1ìì??ù?ê??
?ò?T??óDoüo???í???D?oí±???D????-1y1600????????ìáá????T?ú???T??è???òò'?ê??·?T?÷òa???Tíá???à???ù?ê??1¤ò??ò?Toí??ó??ò?T??óéóúê1ó?1|?ü2?í????ú?-á???ó????ó1¤1¤ò????ú2??á11?è·?????óD??????2?±e??òò'?éú2ú???à?D???÷ê1ó?רò?????ó??ò?T??·'??ó?1¤ò??ò?T'úì???
???2??ê?è??±??DD?ò?T???àê±?????2???¨?2????ó??ò?Té???í??ùò2ê??ù?Y?2??éú3¤?ú??òa?óoí×÷??2úá???Dè?ó??????3?2?í???óa??òo??2éó???1à??·?ê????ú????éú3¤?ú?a?2??ìá1??ùDè??·????????2??éú3¤?ú?áê???°??ò?T??DD??ê???óéרò?1¤3§??DD??????·??é???ù??D???×÷??
?úoéà???oü?à??3?à?ó????ü??êòó??ò?T???à??ê???ê???á???2ú?·??1¤ò??????2??òà????'ó??ó2?téè±?ò??°·á????1üàí?-?é??è?ó?D???·????·???éò??úò???·?3?êêò????·?3??éú2ú??'ó??'????????×?ê2úá?701??????ù±?ê?????2ú10íò?????ü?a?2??ê????a?ù?è??????ê?ò??-?ú?ò1ú?aê?í?è?ê1ó?á???
3.?ù?ê???à
1ìì??ù?ê???à?2?????ò3???ó?1ìì??ù?ê?¨?é?ê??1ì?¨?2???ù????2?í¨1y?ù?ê?üê?óa??òooí????ò????Tíá???à·?ê????ù?ê??ààoü?à??3?ó????T?ú?ù?êóDò?ê??????é?ò???ò?T??é3????°±???è??óD?ú?ù?êóD?àì???????ì???ê÷?¤?è??òò'????ù?ê???àó?·??a?ò?T???à??é3?à?è??2éó???1à·¨1???óa??òo????ó???ê?éè±????ò????éú2ú3é±????í?è??
?a?????à??ê??úì¨í??-3??'????àyè??úì¨í???2YY????è'?ò????ü×ó??'ó??óD1.2?×????±?óúéú2ú1y3ì?D??1üàíoí2é????è?oó?ú?ü×óé?'?ò???óa??2???°??ù?ê·??úóa??2?à????í?éò?°2?????2á?????ê?è??±ó????ù?ê'ó?à'ó?ó??'ó???ú??ó??a????ê???2YY?2???·?±?1üàí?????ò?·?ê??????2?3?o|??·?éúò2oüéù??
??×???????·??1??éèê???ò?'óàí??é?à'????2?Dèòaó?íáèà×÷?a???2??±?±?ì??t????×??ò1ú?-?????ì?ù·??1????'??-??ì??t??????é???'ó???ü1?oüo???·??1?Tíá???à??ê????Tíá???à??ê??ü1?'ù????ò????°ò????¨?üéú2ú???ì?ù·??1????óD1?à???·??1?°?°??
