Analysis on Damage Cause of Shield Tunnel Segments during Construction
2012 ◽
Vol 594-597
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pp. 1308-1313
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Keyword(s):
Abstract. Due to the complexity of shield tunnel construction process, some segments may be damaged. To obtain the cause of segmental damage, stress acting on segments is needed to be analyzed. In this paper, the damage characteristics of a shield tunnel segments were summarized firstly, then a 3D discontinuous model considering of shield tunnel segments and bolts was established to analyze the stress characteristics of segments during construction. The study has manifested that squeezing of segmental bump tenon, thrust force and its obliquity, uneven jack thrust are the main causes of segmental damage during the shield tunnel construction.
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2011 ◽
Vol 71-78
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pp. 32-36
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Keyword(s):
2012 ◽
Vol 256-259
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pp. 1276-1279
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2013 ◽
Vol 353-356
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pp. 1604-1608
2011 ◽
Vol 374-377
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pp. 2326-2332
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2012 ◽
Vol 212-213
◽
pp. 647-652
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2013 ◽
Vol 734-737
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pp. 502-506