| CONTENTS


12 5


South Island shaft ready for TBM on Hampton Roads-Bridge Expansion Project Photo credit: Virginia Department of Transportation (VDOT), US


Comment 9 News


14 20 30 37


REGULARS


Buyers Guide


27 50 Events


18 24 34 44


12 14 18


20


24 30 34 37 41 44


48


Projects


Virginia Visions TTNA US: VDOT set for TBM tunneling start on new twin tube link.


Toronto spotlights TTNA


Canada: Project briefs from sewer, outfall and transport digs.


Latin drives TTNA


LatAm: tunnel project briefs from Peru and Brazil milestones.


Trenchless


No digging, the trends TTNA Industry views on trends in no-dig and micro-tunneling.


Technical Danube bundle


TTNA Austrian towns in utility boost from tunnel under river.


Two tales of technology TTNA


TBM diameter change and ongoing McNally performance.


Taking steps to speed TTNA


Herrenknecht’s continuous tunneling and segment automation.


Continuing the advance TTNA


Sandvik’s new drilling products and equipment updates.


PEG savings from Standpipe Joel Adams, IPI Packers


Discussion on 2 grout-free standpipes for PEG works.


Logistics boost from IT TTNA


Epiroc’s Mobilaris brings data tools to tunnels for logistics boost.


Preview


RETC 2023 TTNA A preview of RETC upcoming in Boston, MA, in June.


Spring 2023 | 7


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53