目前,村镇农民修房盖屋,有相当一部分是采用砖混结构。而一些建房者由于缺乏必要的建筑专业知识和有关资料,致使建房前应备多少钢筋心中无数,施工时对如何确定钢筋的下料长度不太清楚,从而导致建房户用自己多年来辛辛苦苦积攒的血汗 At present, a considerable part of village and township peasants are building brick-concrete structures. Some building builders lack the necessary building expertise and relevant information, resulting in the number of steel bars that should be prepared before the construction of houses. It is unclear how to determine the length of the rebars during construction, which will lead to building houses for many years. Hard-working sweats