摘要
大体积混凝土的温度应力是一个十分重要的问题。寒冷地区拱坝的温度应力大于水荷载的影响。为了降低温度荷载,在拱坝下游面粘贴聚苯乙烯塑料板作为永久保温层,在文献[2]、[3]研究基础上,提出了有保温层拱坝变化温度场的计算方法。
Thermal stress, whose influence is more important than that of water load, is a vital problem in mass concrete structure. For reducing the temperature load, a layer of polystyrene plastic plate is stuck to downstream face of the arch dam as permanent insulation protection. Based on the research achievement of Document [2] and [3], a method is presented for calculating the temperature variation field of arch dam with insulation layer.
出处
《红水河》
2003年第4期7-13,共7页
Hongshui River
基金
九五"国家科技攻关项目(96-220-01-01-02)
国家自然科学基金资助项目。
关键词
拱坝
保温层
温度荷载
温度场
聚苯乙烯塑料板
温度应力
arch dam
insulation layer
temperature load
temperature variation field
simplified calculation of temperature field.
