The Study on the Resistance Difference of Shield TBM Segment according to Support and Loading Condition of Bending Test
The full scale segment bending test was carried out to find the design failure load of segment lining after it was made in the plant. And non-linear analysis method was studied for model it because many spaces, times and money were to require doing the bending test in lab. The rollerroller supports condition has mostly used to segment experiment. In non-linear analysis, the design failure load with roller-hinge supports condition was confirmed to similar value of experimental value. So, it is expected that non-linear analysis with roller-hinge support condition could replace the segment fracture test. And almost experimental test in lab, point load method has been using. So, two cases of distributed load and point load acting on the segment were analyzed to compare each condition. As a result, design fracture load by point load test has more conservative than distributed load test.