如题所述
å ç¨âMBï¼0 æ±å¾Aæ¯åº§åå-q/8ï¼åç¨âYï¼0 æ±å¾Bæ¯åº§åå9q/8ï¼ä¹åèªBæªé¢åè±ç¦»ä½å¾ç®åå°±å¾å°Bæªé¢å¼¯ç©0.5qKN·m, 1-1æªé¢å¼¯ç©çäºBæªé¢å¼¯ç©çä¸åã
MB=0,可知,
QA*4.5A=RB*4A,
RB=1.125QA
RA=0.125QA
1-1剖面的M=0.25QA^2,Q=0.125QA