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List of products by author: E. Farrokh

Showing 1 - 4 of 4 documents
  • Abstract: When the contractor is invited to a project with information of short interpretation report with few borehole logs, then it would not be an easy task to quickly determine whether the project is viable and to participate in the tender. The decision can only be made after the cost estimation came up with tender design and corresponding quantity survey. However, tender design demands time and cost...

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    Abstract: TBM cutter life and wear evaluation in soft ground are important issues, especially in pressurized face tunneling with soft ground TBMs for which the planning of costly interventions becomes crucial. This paper presents the evolution and latest developments of different methodologies and tests in cutter life evaluation in soil with a major focus on identification of the main influential...

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    Abstract: Despite the presence of some rock abrasivity tests, the tunneling industry still seeks for a reliable method to simulate the real TBM excavation condition and to connect the test results with the cutter life data from the field. New abrasion test (NAT) is a test developed in Hyundai Engineering and Construction to improve some of the deficiencies of the previously developed hardrock abrasivity...

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    Abstract: TBM has many advantages over traditional methods especially for longer drives when the higher excavation rate can trim a large amount of cost and shorten the construction time in comparison with traditional tunnelling methods. Throughout the history of application of TBMs, major enhancements have been achieved especially for cutting efficiency in both cutting geometry characteristics and...

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Showing 1 - 4 of 4 documents