Study on the Influence of Train Dynamic Load on underneath Tunnel Cast-in-Situ Concrete in Early Age

Figure 7

Spectrum comparison between field test and numerical simulation. (a) Comparison of measured and numerical simulation spectrum of sleeper’s vertical acceleration. (b) Comparison of measured and numerical simulation spectrum of hance’s vertical acceleration. (c) Comparison of measured and numerical simulation spectrum of sidewall’s vertical acceleration.

(a)

(b)

(c)