Toi dang thiet ke 1 cau cong ban kinh 50m. kho cau B=8+2*0.5m.Toi dang du kien bo tri 3 nhip dam I18.7m nhung ma phan hang ban mat cau lon qua (khoang 2m). Co bac nao co kinh nghiem ve bo tri cau cong nhip gian don khong tu van giup toi voi (Chua co kinh nghiem lam cau lien tuc ma
). Xin cam on!

Ghi chú