The paper has studied straightening stress and residual deformation of circular shaft by using elastic - plastic theory, deueloped calculation formula of straightening loud in given deflection error.
A detailed description of the principle and application of cement injection technology to shaft rock wall are given.
就一个注浆施工实例,详细阐述了料石井壁壁后注浆技术的原理和应用。
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By applying finite element method and optimal design theory this paper carried out an optimal design model of the machine tool shaft, chosen optimal methods and given a living example.