问题包括排水管被堵、地基下沉，有时甚至出现了严重的结构性裂缝。
Problems include blocked drains, sunken foundations and, sometimes, large structural faults.
实践证明，聚丙烯纤维对防止混凝土早期非结构性裂缝具有较好的效果。
By practice, polypropylene concrete has good effect in preventing non-structure crack.
采取合理的坝体变形控制措施，合理的分缝和结构型式是改善超高混凝土面板堆石坝面板应力状态，避免或减少面板产生结构性裂缝的关键所在。
The deformation control and suitable joint plan are the key to improve the stress behavior of the concrete face and are also the key to avoid or reduce the rupture of the concrete face.
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