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chao cac su huynh!
em da thu tinh thep theo tieu chuan ACI trong sap.em co mot so thac mac la khi minh to hop theo to hop co ban 2 thi trong combo minh co phai nhan he so 0.75*1.4 doi voi tinh tai va0.75*1.7 doi voi tai trong gio +hoat tai khong hay minh chi nhap he so to hop 1.4 va 1.7 thoi
em thay khi tinh toan thep thi tai dau dam nhieu luc thep chiu momen duong lai lon hon ca thep giua nhip mac du o do chang co ti mo men duong nao ca!ma
co phai la luc do sapp tinh cot kep khong vay
rat mong duoc cac anh chi giao cho
chao cac su huynh!
em da thu tinh thep theo tieu chuan ACI trong sap.em co mot so thac mac la khi minh to hop theo to hop co ban 2 thi trong combo minh co phai nhan he so 0.75*1.4 doi voi tinh tai va0.75*1.7 doi voi tai trong gio +hoat tai khong hay minh chi nhap he so to hop 1.4 va 1.7 thoi
em thay khi tinh toan thep thi tai dau dam nhieu luc thep chiu momen duong lai lon hon ca thep giua nhip mac du o do chang co ti mo men duong nao ca!ma
co phai la luc do sapp tinh cot kep khong vay
rat mong duoc cac anh chi giao cho
Ghi chú