使用的共振柱仪是由工程力学研究所原有共振柱改装而成，并经试验验证了改装后仪器的精度和可靠性。
The refitted resonant column apparatus in the Institute of Engineering Mechanics is employed for the experimental investigation and its accuracy and reliability have been verified by the tests.
因此，重新设计了有关系统，并进行了相应的试验研究与工程验证。
Thereby the related systems were re-designed, and corresponding tests and engineering validation were carried out.
经试验验证，在物理力学性质相差不大的层状地基中，计算值与实测值相当接近，可满足工程的精度要求。
The test shows that tEe calculating value is same as the practical measuring value when the physical nature of bed foundation is similar, therefore meeting the requirement of engineering's precision.
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