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蒙古国泰西尔碾压混凝土大坝地处高寒地带,冬季气温低,昼夜温差大。该工程施工工期紧、施工强度大,按照进度计划在冬季也必须安排部分混凝土施工。如何在高寒地区进行冬季混凝土施工,并确保混凝土浇筑质量,是工程成功与否的核心问题。文章结合蒙古国泰西尔碾压混凝土大坝冬季施工实例,对该工程冬季施工措施的思路制定、实施过程和实施效果等进行了阐述,为类似工程提供思路借鉴和经验参考。
The Taixir RCC Dam in Mongolia is located in the alpine zone with low winter temperatures and large temperature difference between day and night. The project construction period is tight, construction intensity, in accordance with the schedule in the winter must also be arranged part of the concrete construction. How to carry out winter concrete construction in the alpine area and ensure the quality of concrete pouring are the core issues of the project’s success or failure. Based on the winter construction examples of the Tethys Roller Compacted Concrete Dam in Mongolia, this article elaborates the formulation, implementation and implementation effects of winter construction measures in this project and provides references for similar projects and experiences.