北京地区表土冻融对工程建设的影响  

Soil Freezing and Thawing in Beijing on the Impact of Construction Projects

作　　者：陈爱新[1] 

机构地区：[1]北京市勘察设计研究院有限公司,北京100038

出　　处：《城市勘测》2009年第6期155-157,共3页Urban Geotechnical Investigation & Surveying

摘　　要：北京地区表土为季节性冻土,具有冬季冻结、春季完全融化的特点。本文论述了表土冻融的机理,并分析了表土冻融对建筑地基基础设计与施工、基坑边坡支防护结构、道路路基、安设GPS观测点等工程建设的影响,提出了防治表土冻融灾害的对策,希望对工程建设有指导作用。In Beijing for the seasonal fi＇ozen soil with a winter freeze,spring thaw characteristics completely. This article diseusses the mechanism of soil freezing and thawing, and analyzed the soil freezing and thawing on the basis of arehitectural design and construction of foundations, excavation support slope protection struetures, road subgrade, install GPS observation points such as the impact of construction projects put forward to eombat soil freezing MeaSures of financial disaster,and they hope to have a guiding role in the eonstruetion.

关 键 词：季节性冻土 冻融 影响 

分 类 号：TU475.2[建筑科学—结构工程]