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对变形病害的形成机制与防治对策进行研究是主动、有效地根治这类变形病害的基础，而其关键在于采取的研究方法与技术路线能否切实可行地弄清变形病害的形成机制。基于此点，本文对湖北省宜黄高速公路汉沙段变形研究的方法进行了探讨，认为可以采取多种方法综合研究，包括：地表位移观测、地基分层沉降观测、地下水平位移观测、孔压触探（ＣＰＴＵ）与钻探、土压力与孔隙水压力的测试、室内土工试验、数值模拟等，并讨论了实施这些方法的技术路线和步骤。
The research on the mechanism of formation and prevention and control of deformation diseases is the basis for actively and effectively curing such deformation diseases. The key lies in whether the research methods and technical routes adopted can clarify the formation mechanism of deformation diseases. Based on this point, this paper discusses the study on the deformation of the Han Sha section of Yihuang Expressway in Hubei Province. It is concluded that various methods can be used to study the deformation, including surface displacement observation, subsidence observation, horizontal underground displacement observation, Pressure touch probe (CPTU) and drilling, earth pressure and pore pressure test, indoor geotechnical test, numerical simulation and so on, and discusses the technical route and steps for implementing these methods.