The application of the combined testing method of resilience instrument and surface wave instrument in the quality inspection of Yinluan Tunnel

In order to enhance the testing accuracy of Resilience Instrument and Surface Wave Instrument during the inspection of concrete quality, according to the actual conditions of Yinluan Tunnel, a new combined testing method of the aforesaid two instruments is proposed by way of numerical analysis and feasibility investigation in which method we adopt the advantages of each way and overcome their defects accordingly. This method has been used in the inspection of Yinluan Tunnel successfully.