寒区碾压混凝土重力坝上下浇筑层温差极值研究  

Study on extreme temperature difference between upper andlower pouring layers of RCC gravity dam in cold area

作　　者：杨靖巍 YANG Jing-wei

机构地区：[1]辽宁润中供水有限责任公司,辽宁沈阳114000

出　　处：《东北水利水电》2023年第8期39-41,72,共4页Water Resources & Hydropower of Northeast China

摘　　要：在北方寒区,温控防裂对碾压混凝土坝建设具有十分重要的意义和作用。研究以具体工程为背景,探究了大温差地区不同约束区不同混凝土类型上下浇筑层容许温差极限值,为相关类似工程施工提供必要的支持和借鉴。In the northern cold region,temperature control and crack prevention are very important for the construction of RCC dam.Based on the background of specific projects,the study explores the permissible temperature difference limits of the upper and lower pouring layers in different confined areas of different concrete types in the area of large temperature difference,providing necessary support and reference for the construction of related similar projects.

关 键 词：碾压混凝土 温控防裂 层间温差 

分 类 号：TV544[水利工程—水利水电工程]