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垫层区是面板坝坝体的重要部分，其质量不仅直接关系到面板和坝体的运行性能，而且也关系到施工度汛的安全，因此对其要求也格外严格。莲花水电站对此非常重视，３年来，做了大量试验研究工作，并在实践中不断检验和完善，逐渐摸索出一套从垫层料的制备到施工质量控制的新经验，并在施工中发挥了积极作用。尤其是攻克冬季垫层料不洒水进行施工这个难题，为冬季坝体填筑施工开辟了新的途径，积累了宝贵的经验。
Cushion zone is an important part of the dam of the dams. The quality of the dams is not only directly related to the running performance of the dams and dams, but also the safety of the flood season. Therefore, the requirements are particularly strict. Lotus hydropower station attaches great importance to this, three years, done a lot of experimental work, and in practice constantly testing and improvement, and gradually developed a set of cushion material from the preparation to the construction quality control of the new experience and play in the construction A positive effect In particular, overcome the problem that winter bedding material is not sprinkled for construction, which opens up new avenues for winter dam body construction and accumulates valuable experience.