ֹˮÍƬÀ°ÎÊÔÑéÓõĻìÄýÍÁ²ÉÓó£¹æÃæ°å°Ó»ìÄýÍÁµÄÅäºÏ±È£¬¼û±í1.ÊÔÑé²ÉÓÃ20cmx20cmx20cmµÄ»ìÄýÍÁÁ¢·½ÊÔ¼þ£¬½«10¸ö50mmx1mm¶ÏÃæµÄ×ÏÍƬ·Ö±ð°´ÕÕ2¡¢4¡¢6¡¢8¡¢10¡¢12¡¢14¡¢12¡¢18¡¢20cmµÄÂñÉî½½Èë»ìÄýÍÁÊÔ¼þÄÚ#ÔÚ±ê×¼Ñø»¤Ìõ¼þϾ30dÑø»¤ºó£¬¶Ô,¸öÊÔ¼þ½øÐÐÀ°ÎÊÔÑ飬²ÉÓÃÁ½¸öÓÍѹǧ½ï¶¥¶Ô×ÏÍƬʩ¼ÓÀ°ÎÁ¦¡£
ÊÔÑéÖУ¬Ëæ×ÅÀ°ÎÁ¦µÄÔö´ó£¬À°ÎλÒÆÒ²Öð½¥Ôö´ó#µ±À°ÎÁ¦´ïµ½Ä³Ò»³Ì¶Èʱ½«²»ÔÙËæÀ°ÎλÒƵÄÔö´ó¶øÔö´ó£¬²¢³Ê»ºÂýϽµÇ÷ÊÆ#ÕâʱµÄÀ°ÎÁ¦½«Ö÷ÒªÓÉĦ²ÁÁ¦Î¬³Ö,ÊÔÑé½áÊøºó£¬Ê×ÏÈÓÃÂñÉîΪ2¡¢4¡¢6cmµÄÊÔ¼þÔÚ´¹Ö±ÓÚÍƬ±íÃæµÄ·½Ïò½øÐÐÁË¿¹Ñ¹ÊÔÑ飬²âµÃµÄ¿¹Ñ¹Ç¿¶ÈÏàӦΪ42.0¡¢35.0¡¢42.1Mpa.¶ÔÂñÉîΪ16¡¢20cmµÄ»ìÄýÍÁÊÔ¼þ˳ÍƬƽÃæ½øÐÐÁËÅüÀÊÔÑ飬½á¹û·¢ÏÖ18cmÊÔ¼þµÄÍƬ±»À¶Ï£¬¶ÏÁѵÄλÖþàÀë·ì¿ÚΪ.4cm¡¢16¡¢20cmÊÔ¼þµÄ×ÏÍƬ±£³ÖÍêÕû#ÏàÓ¦ÅüÁѺÉÔØ·Ö±ðΪ170.0¡¢141.0¡¢87.5kN¡£
½«À°ÎÁ¦³ýÒÔ¸÷¸öÊÔ¼þµÄ×ÏÍƬÓë»ìÄýÍÁÖ®¼äµÄÕ³½ÓÃæ»ý£¨Ë«Ã棩£¬¼´µÃÕ³½ÓÃæµÄƽ¾ù¼ôÇÐÇ¿¶È#ÊÔÑéµÃµ½²»Í¬ÂñÉîÊÔ¼þµÄƽ¾ù¼ôÇÐÓ¦Á¦T£¨mpa£©ÓëÀ°ÎλÒÆ !U£¨mm£©µÄ¹Øϵ¼ûͼ2¸÷¸öÊÔ¼þƽ¾ù¼ôÇÐÇ¿¶ÈÓë¸÷¸öÊÔ¼þµÄÂñÉî¼ûͼ3,´ÓÖпÉÒÔ¿´³öÊÔÑé½á¹ûµÄ¹æÂÉÐԺܺÃ.ÕâÀォÍƬÂñÉîÇ÷½üÓÚÁãʱµÄƽ¾ù¼ôÇÐÇ¿¶È¶¨ÒåΪճ½ÓÇ¿¶È£¬ÓÉͼ(¾¹ýÊýÖµ»Ø¹é·½·¨¿ÉÒÔÈ·¶¨Õ³½ÓÇ¿¶ÈΪ2.42Mpaƽ¾ù¼ôÇÐÇ¿¶ÈSaÓëÂñÉîDÖ®¼äµÄÊÔÑé»Ø¹é¹ØϵΪ£ºSa=2.42-0.22D+(0.079D)ƽ·½£¬£¨RPƽ·½=0.98£©×îºó£¬½«¸÷ÊÔ¼þµÄ³öÏÖ×î´óÀ°ÎÁ¦Ê±µÄÀ°ÎλÒƶ¨ÒåΪÆÆ»µÎ»ÒÆUf£¬ËüÓëÂñÉîDµÄ¹ØϵÈçͼ.Ëùʾ4Ëùʾ¡£
|