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Behavior of the Segment Lining due to the Middle Slab and the Lateral Pressure Coefficient in Duplex Tunnel
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  • Journal title : Tunnel and Underground Space
  • Volume 26, Issue 3,  2016, pp.192-200
  • Publisher : Korean Society for Rock Mechanics
  • DOI : 10.7474/TUS.2016.26.3.192
 Title & Authors
Behavior of the Segment Lining due to the Middle Slab and the Lateral Pressure Coefficient in Duplex Tunnel
Lee, Ho Seong; Moon, Hyun Koo;
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We analyzed the behavior of the lining segments considering the middle slab and lateral pressure coefficients when planning the construction of a duplex tunnel for the underground network. Reviewed segment lining analysis for research, the analytical model was determined for duplex tunnel. Also reviewed the vertical load, and a load of middle slab is considered the static load and the live load by vehicles. Section force by middle slabs a load applied was mainly generated in the lower tunnel had the greatest effect on the bending moment. In addition, the bending moment acting direction changes appeared with a large variable, and the section force according to the load applied to the middle slab is relatively constant and the effect on the segment lining from the smallest section force of the lateral pressure coefficient of 1.00 was found to occur appears most significantly. As a result of this research to identify the behavior of the slab and the segment lining by the effect of the lateral pressure coefficient (K) of the duplex tunnel will be able to present a method of the duplex tunnel structure is reasonable and economical design.
Duplex tunnel;Segment lining;Lateral earth pressure coefficients;Middle slab;
 Cited by
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