Tunneling Technology for Future Highways
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1985-01-01
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Edition:Summary Narrative
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Abstract:This report gives an overview of research conducted for FCP Project 5B, Tunneling Technology for Future Highways. That project was aimed at research including state-of-the-art tunneling techniques unknown in the United States although accepted by other countries, and more experimental tunneling techniques not yet generally accepted. Specific research studies dealt with cut-and-cover tunnels, site investigation, earth movements, environmental criteria, and supporting activities (research conferences, information exchange, etc.). The report summarized research on: cost, classical ground control techniques, slurry walls, tie backs, anchors and grouting for cut-and-cover tunnels; planning of site investigations, direct mechanical measurement (pressuremeters, cone penetrometers, vanes, piezometers) of soil properties, and indirect measurement by sensing techniques (aerial photography, acoustic, seismic, and electromagnetic systems); prediction and control of ground movements including phenomenological study and development of lining techniques; guidelines for the environment including air movement and pollution, tunnel lighting, traffic operation, driver behavior, safety and fire hazards.
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Main Document Checksum:urn:sha-512:4f22e79a4178da1cabb6c64a6246be87a65bd41fbb5b62dd5d7d5a373804ddd2d31ea6c8560d055eb938f04b3bdb69cd001fa44a5a21bf8d2a7cdbafaa1437ae
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