高寒地区水工建筑物保温基础抗冻效果分析.pdf

22 3 V o l122 No1 3 200 8 6 Geot echnical Engineering T echnique Jun, 2008 : 1007-2293( 2008 03-0 148- 04 高寒地区水工建筑物保温基础抗冻效果分析 那文杰 袁安丽 ( , 1500 80 = EPS , , , EP S , EP S , EPS , EPS = ; ; EPS ; = T U 413 Ant-i freezing Effectiveness Analysis of Aline Region hydraulic structures in Seasonally Frozen Area N a Wenjie Y uan A nli ( H eilongj iang P ro vincial H y dr aulic Research Institut e, H arbin Heilongjiang 150080 China = Abstract I t has g ained the obviou s eff ectiv eness that applying the EPS heat insulating boar ds to the fo undat ion o f hy- draulic st ruct ur es can resist the fro st heav e damag e of the foundatio n. the EPS heat insulat ing fo undation is obser ved for fo ur w inter s and spr ings and the temper ature f ield o f the foundatio n is analyzed by in- situ simulat ing in the f ield , and the obser vation data ar e obtained. T he test result validates t he f easibility that the EP S heat insulating foundatio n metho d can r educe the fro st heav e fro m the analysis o f t em perat ur e f ield chang ing law s w it h diff erent density and diff erent thickness of the EPS heat insula- t ion foundatio n. It can off er r ef err ing g ist for consummating the ant-i f rozen theo ry and practical ex periences. = Key Words hy dr aulic structure; fr osr heave; EPS heat insulating fo undat ion ; t emperatur e f ield 0 36 c47d45b 43c55d 31 5 e , - 3815 e ; 1600 ~ , 1900( e # d 11 , 3 , 6 , 2/ 3 180 ~ 210 , 134~ 165 cm , ,