CAJ | 학술논문

屋盖与找平层对于混凝土干缩和温度的变化比较敏感，其原因是由于设计安全储备小，强度不足及施工质量差。其控制措施包括控制材料，使用钢筋，使用外加剂，提高施工质量，本文对其作了较详分析。
옥개여조평층대우혼응토간축화온도적변화비교민감，기원인시유우설계안전저비소，강도불족급시공질량차。기공제조시포괄공제재료，사용강근，사용외가제，제고시공질량，본문대기작료교상분석。
The various changes of dry-shrink and temperature are f airly sensitive to the shape of a cast-in-site concrete roof and leveling blanket. The causes ar e listed as the following: desigins security capacity being insufficient; the st rengh of concrete being poor and the quality of construction being poor.the meth ods of crack control are:Controling materials; using steel; using admixtured con crete and expansion admixture concrete; enhancing the quality of construction.