酒店宴會廳屋面:對原有預(yù)應(yīng)力大梁進(jìn)行加固
該工程原設(shè)計為大跨度預(yù)應(yīng)力框架梁有14根25.1m預(yù)應(yīng)力梁,由于何載增加,對原有預(yù)應(yīng)力大梁進(jìn)行加固