人民黄河
人民黃河
인민황하
Yellow River
2014年
11期
131-134
,共4页
苌坡%陈建生%王霜%黄德文%曾明明
萇坡%陳建生%王霜%黃德文%曾明明
장파%진건생%왕상%황덕문%증명명
大坝渗漏%温度场%反分析
大壩滲漏%溫度場%反分析
대패삼루%온도장%반분석
dam leakage%temperature field%reverse analysis
岩土体发生渗漏时,渗漏通道内的流体与岩土体会发生热量交换,造成渗流通道附近地层温度发生改变。温度示踪方法是运用温度场研究堤坝渗漏的普遍方法,但目前大多进行的是定性分析,只有确定渗漏通道的确切位置及大小,才可有效整治渗漏问题。基于多个集中渗漏通道温度场探漏模型,编写优化程序,针对具体工程进行渗漏通道的测线优化反演,定量地计算出渗漏的位置,并与钻孔实测温度的分析结果进行对比,两者结论一致,证明了该方法的可行性。
巖土體髮生滲漏時,滲漏通道內的流體與巖土體會髮生熱量交換,造成滲流通道附近地層溫度髮生改變。溫度示蹤方法是運用溫度場研究隄壩滲漏的普遍方法,但目前大多進行的是定性分析,隻有確定滲漏通道的確切位置及大小,纔可有效整治滲漏問題。基于多箇集中滲漏通道溫度場探漏模型,編寫優化程序,針對具體工程進行滲漏通道的測線優化反縯,定量地計算齣滲漏的位置,併與鑽孔實測溫度的分析結果進行對比,兩者結論一緻,證明瞭該方法的可行性。
암토체발생삼루시,삼루통도내적류체여암토체회발생열량교환,조성삼류통도부근지층온도발생개변。온도시종방법시운용온도장연구제패삼루적보편방법,단목전대다진행적시정성분석,지유학정삼루통도적학절위치급대소,재가유효정치삼루문제。기우다개집중삼루통도온도장탐루모형,편사우화정서,침대구체공정진행삼루통도적측선우화반연,정량지계산출삼루적위치,병여찬공실측온도적분석결과진행대비,량자결론일치,증명료해방법적가행성。
When an embankment has a concentrated leakage passage,the heat exchange with groundwater and rock media will occur around leakage passage,and this leads temperature altering in the stratum near leakage passage. Temperature tracer method is a universal method using tempera-ture field to research the dam leakage,but it’s almost the qualitative analysis at present. Only by determining the exact location and size of leakage passage,can the leakage problem be effectively controlled. In this paper,the Matlab optimization program was written based on the model for de-tecting multiple concentrated leakage passages. By optimizing and fitting leakage passage lines of the specific engineering,we calculated the leakage position quantitatively. Compared with analysis results of the measured temperature of drill holes,the results were the same. As a result,it is feasi-ble to use the method to detect the exact location of leakage passage.