1、

This was attributed to the influence of frost action in the outer exposed area of the dam after excluding many factors such as measurement errors, foundation movement, alkaline aggregate reaction and spring floods.

多年的研究排除了观测误差、坝基变形、碱骨料反应及春汛等因素的影响,认为是由冻胀引起的。

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2、

Book Review: Frost Action of Soil and Foundation Engineering

《土的冻结作用与地基》评介

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3、

it may also provide drainage and give added protection against frost action when necessary.

它具有排水作用,但在需要时也增加保护抗冻作用.

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4、

But during the caring age, if the concrete don't experience the low temperature action of frost-resisting critical strength, its strength will decrease.

但若混凝土在养护期内没有达到抗冻临界强度受到低温作用,其强度将降低。

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5、

Distribution Law of Temperature Field and Research on Frost Heave Force Action on Tunnel Lining

季冻区隧道温度场分布规律及衬砌冻胀力分析

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6、

Prevent excuse me bask in frost to be able to rise to fight radiant action.

请问防晒霜能起到抗辐射的作用吗.

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