Advances in Materials Science and Engineering / 2015 / Article / Tab 3

Research Article

Structural Behavior of Thin-Walled Concrete-Filled Steel Tube Used in Cable Tunnel: An Experimental and Numerical Investigation

Table 3

Comparison of the maximal strain between FEA and test results.

LocationSpecimen
ST-1 ST-2 ST-3

The outer edgeVault179.7185.33.0%124.2134.87.9%131.3143.48.4%
Largest corner−97−10810.2%−66.3−72.28.2%−103.7−103.43.0%
Top of the straight wall −175−185.85.8%−145−1339.0%−194.2−191.21.6%
Foot−122.9−133.78.1%−92.9−98.96.1%−125.3−135.47.5%

The inner edgeVault−240.8−252.74.7%−192−191.34.0%−224.3−247.39.3%
Largest corner−188.1−215.32.6%−128.5−147.91.3%−175.8−185.45.2%
Top of the straight wall −156.2−147.46.0%−109.4−100.39.1%−149.9−144.73.6%
Foot−213.4−230.37.3%−164.5−171.44.0%−217.5−233.76.9%

Note: means the maximum strain value of experiment and εFEM means the maximum strain value of FEM. Tensile strain is positive; compressive strain is negative.

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