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阎王鼻子水库工程溢流坝溢流面、冲沙闸堰面和闸门槽二期混凝土设计，考虑了大凌河泥沙含量大冲刷严重的情况，采用了硅粉混凝土，其本身脱水快，易产生龟裂和裂缝．为防止和减少混凝土龟裂和裂缝，施工时引进了LJ养护剂进行溢流面压光后到流水草帘养生前的保水养生，同时在原设计为硅粉混凝土层中掺加了UEA混凝土膨胀剂，以增强混凝土的抗裂性，收到了较好的效果．
Yan Wang nose reservoir overflow spillway project overflow, flushing sluice weir and sluice gate two concrete design, taking into account the large erosion of the Dali River sediment serious situation, the use of silica fume concrete, its rapid dehydration, easy Produce cracks and cracks. In order to prevent and reduce the concrete cracks and cracks, the construction of the introduction of LJ curing agent after the overflow surface calendering water grass straw health preservation before, while in the original design for the silica fume concrete layer doped UEA concrete expansion agent , To enhance the crack resistance of concrete, received a good effect.