ããæ¬æ¡¥åå¤æ§æ¡¥éç¨1Ã5.5ç³æ±æ¡¥ï¼ç±äºæ§æ¡¥ä¸ºå±æ¡¥ï¼ç»è¿ç¸å
³é¨é¨ç 究ï¼è¿è¡æé¤é建ã
ããéç¨1Ã10ç±³çé¢çæ··ååç®æ¯ç©ºå¿æ¿ï¼æ¡¥é¢è¿ç»ç»æã设计桥æ¢ä¸å¿æ¡©å·ä¸ºK0+920ï¼æ¡¥æ¢å
¨é¿19ç±³ãæ¡¥æ¢ä¸å¿çº¿ä¸æ²³éä¸å¿çº¿æ90°æ£äº¤ã
ããã主è¦ææ¯æ åã
ãã1ï¼éè·¯ç级ï¼å级å
¬è·¯
ãã2ï¼è®¾è®¡è¡è½¦é度ï¼20Km/hã
ãã3ï¼è®¾è®¡è·è½½ï¼ å
¬è·¯ââ
¡çº§ã
ãã4ï¼è®¾è®¡æ´ªæ°´é¢çï¼1/25ï¼è®¾è®¡æ°´ä½ï¼29.764ç±³ã
ãã5ï¼éèªç¶åµï¼ä¸éèªã
ãã6ï¼æ¡¥æ¢å®½åº¦ï¼0.25mæ æ+8.5mè¡è½¦é+0.25mæ æï¼æ»å®½åº¦9ç±³ã
ãã7ï¼å¹³é¢ï¼ç´çº¿ã
ãã8ï¼çºµé¢ï¼-0.3%ã
ãã9ï¼æ¡¥é¢éºè£
å横å¡ï¼æ°´æ³¥ç ¼éºè£
ï¼åé¢1.5%横å¡ã
ãã10ï¼è®¾è®¡å®å
¨ç级ï¼ä¸çº§ã
ãã11ï¼ç¯å¢ç±»å«ï¼â
ç±»ã
ãã12ï¼æé设é²ï¼æå°éç度6度å°åºD类设é²ï¼è®¾è®¡åºæ¬å°éå¨å³°å¼å é度为0.05g ï¼å°éå¨ååºè°±ç¹å¾å¨æ0.35s ã
ããã设计è¦ç¹ã
ããæ¬æ¡¥ä¸é¨ç»æéç¨1Ã10mç°æµé¢çæ··ååç®æ¯ç©ºå¿æ¿æ¢ï¼æ¢é«0.55mãä¸é¨ç»æéç¨Uå°æ©å¤§åºç¡ã
ãã1.ä¸é¨æé ï¼10.0mç°æµé¢çæ··åå空å¿æ¿æ¢ï¼éç¨ãæ¡¥æ¢å士V3.0çã软件è¿è¡è®¡ç®ï¼è·è½½èèäºæè½½ã活载ãæ¯åº§æ²éã温度çå ç´ ã
ãã2.ä¸é¨æé ï¼Uå°æ©å¤§åºç¡ï¼æåå±å®¹è®¸æ¿è½½å为450KPaã
ãã3.æ¯åº§éç¨åæ¿å¼æ©¡è¶æ¯åº§ï¼ç´å¾200mmï¼å28mmã
ãã4.æ¡¥å°é¡¶é¢è®¾ç½®D40æ©¡è¶ä¼¸ç¼©ç¼ã
ãã5.æ¡¥é¢æ¨ªå¡ä¸ºåå1.5%ï¼éè¿è®¾æ¡¥é¢éºè£
æ¥è°æ´ã
ãã6. æ¡¥ä¸åå纵å¡ï¼ä¸ä¸¤æ¡¥å¤´éè·¯æ¥é¡ºã