本文针对云南省牛栏江-滇池补水工程施工中引发的变形问题，分析了引起民房变形的岩溶（土洞）塌陷、红粘土失水收缩、工程爆破和围岩硐室变形等四个因素，总结了四种变形因素对民房变形的影响，对相关工程问题的解决具有一定的指导意义。%This paper aims at the deformation caused by construction of Niulan River-Dian Lake filling water engineering in Yunnan Province, analyses the four factors which caused deformation of people's house:karst (soil cave) collapse, shrinkage of red clay, engineering blasting and the deformation of surrounding rock cavern, and summarizes how these four factors affect the deformation of people's house, which has useful significance to solve correlation engineering matters.
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