結構判斷

請問老師這是靜定結構嗎?為什我用靜平衡去算b點x方向的支承力算不出來!
http://www.flickr.com/photos/65659643@N ... hotostream
http://www.flickr.com/photos/65659643@N ... hotostream
frgg 寫:請問老師這是靜定結構嗎?為什我用靜平衡去算b點x方向的支承力算不出來!
http://www.flickr.com/photos/65659643@N ... hotostream