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中文摘要：
化学灌浆具有施工快速、效果良好、对工作面要求不大等优点，但同时具有施工技术难度大、材料配方依工程实际变化大、造价高等缺点。结合沙坪水闸闸墩沉降缝处理工程，对这一技术做简单探讨。
英文摘要：
Chemistry grouting technique has some merits, such as speediness, good effect and so on, and also needn＇ t wide working face. But it has likewise disadvantages, for example, high technical difficulty of construction, big change of filling a prescription according to actual project, high cost etc. In the paper, the technique is disputed briefly combining with the project.
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