Anti-freezing design of insulation board in slope protection project

SUN Xiao-ming; DU Shao-min; KONG Da

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Anti-freezing design of insulation board in slope protection project

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- Anti-freezing design of insulation board in slope protection project
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  黑龙江大学水利电力学院,哈尔滨,150086
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV861
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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SUN Xiao-ming, DU Shao-min, KONG Da. Anti-freezing design of insulation board in slope protection project[J]. 2008, 29(S1).
DOI：

SUN Xiao-ming, DU Shao-min, KONG Da. Anti-freezing design of insulation board in slope protection project[J]. 2008, 29(S1). DOI：

摘要

寒冷地区的护坡工程经常会由于土基冻胀而产生隆起、或是在冰弯矩作用下产生推坡的现象，从而使护坡工程在风浪淘刷下产生破坏。利用聚苯乙烯保温板阻隔大气负温对土基的侵袭，提高土基地温，从而减小冻深，削弱冻胀，避免护坡遭受破坏。经过对聚苯乙烯保温板的物理力学性质及冻融特性的试验分析，指出重度、含水率、导热系数、抗压强度、冻融循环次数对聚苯乙烯保温板保温效果的影响。提出护坡工程的抗冰冻设计方法，对有关问题的进一步研究和护坡抗冰冻设计具有参考意义。

Abstract

In frigid area

with heaving bottom

slope protection project will be uplifted or pushed by ice force. Thus slope protection project will be damaged. Polystyrene board can protect the soil base from the negative temperature

and improve ground temperature

minish freezing depth

weaken frost heave. Through the test of physico-mechanical and freeze-thaw properties of polystyrene board

the effect of bulk density

water content

thermal conductivity

compressive strength

frost-thaw cycle times on insulation is analyzed. At last

an anti-freezing design method of slope protection project is proposed.

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Related Institution

School of Civil Engineering, Lanzhou Jiaotong University

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State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology

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