• RETC 2017 Sets Sights on San Diego

    The Rapid Excavation and Tunneling Conference (RETC) – North America's largest tunneling event in 2015 – is heading back to San Diego June 4-7.

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  • Risk Management in Tunneling from the TBM Manufacturer's ...

    In TBM-driven tunnels, the tunnel boring machine and the crew operating it are key components of the risk management strategy.

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  • Microtunneling | Vilkograd

    »Microtunneling enables extreme lengths and diameters of pipelines in all geological circumstances.« The latest and most complex upgrade in our no-dig services is microtunneling.

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  • Martindale's Calculators On-Line Center: Civil Engineering ...

    MARTINDALE'S CALCULATORS ON-LINE CENTER ENGINEERING CENTER CIVIL ENGINEERING CENTER (Calculators, Applets, Spreadsheets, and where Applicable includes: Courses, Manuals, ...

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  • New Shaft Construction Method Successfully Introduced in the ...

    There are a variety of methods for installation of shafts, depending on the basic parameters like size, depth, geology and hydrogeology.

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