You can change your cookie settings through your browser. Request Free Trial. Home ACI Language: English. Full-scale bending tests are also discussed to evaluate the segment performance during each stage of its design life to include stripping, storage handling, transportation, and the in-service load condition due to earth pressure, groundwater, and surcharge loads.
Other full-scale tests performed on the precast segments include thrust tests to reproduce the tunnel boring machine TBM action on the segment during the jacking process.
This report is focused on the analysis, design, and manufacturing of FRC segments of one-pass precast segmental lining used with TBM-bored tunnels. The design methods presented can be applied to tunnels of different types such as road, railway, and subway tunnels; headrace, water supply, and wastewater tunnels; and service, gas pipeline, and power cable tunnels. Two-pass lining systems, however, can also benefit from the proposed design procedure.
This document does not address the actions of TBM gantries, thermal variations, fire loads, or internal loads such as train loads within tunnels. Local Code. Local Document. Local Regulation.
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