【摘要】 混凝土的早期非荷载裂缝的首因是自收缩 ,温度及湿度变化造成裂缝的扩展。提出了避免早期非载裂缝的办法 ,特别是提出了现浇梁板结构夏季施工中浇水养护的新方法更多还原

【Abstract】 The early crevice of concrete not caused by load is chiefly because it contracts itself,and the variations of temperature and humidity make it spread.The way is presented to avoid it,especially the new way to maintain it by waterimg on the spot of the construction with beam and plank structure in summer.更多还原