In this paper shrinkage-compensating concrete is proportionately mixed with SL moderate expansive waterproof agent in order to prevent concrete cracks.

• 本文介绍了在混凝土中掺入SL微膨胀防水剂,配制补偿收缩混凝土,防止混凝土开裂;以膨胀加强带取代后浇带,实施超长结构连续施工。