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Abstract The vibration induced by the blasting excavation of a subway tunnel may cause harmful effects on the adjacent buried structures. To ensure the safety and stability of the adjacent buried structures, it is of great importance to investigate their dynamic response. In this paper, the civil air defense tunnel right above the subway tunnel, excavated using the drilling and blasting method, is studied. The in-situ tests are carried out to monitor the strain of the cross-section of the civil air defense tunnel and the vibration along the axis of civil air defense tunnel. The strain distrib...

Land Rover launches special versions of its most exclusive Range Rover The Range Rover SVAutobiography Ultimate editions are being produced on the edge of Coventry 16:13, 7 APR 2021 Ultimate Range Rover: SV Bespoke introduces exclusive new editions Never miss another story from Coventry and Warwickshire by subscribing to our free email updatesInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer....

Marine Corps builds tactical cyber force to help with growing threats December 21, 2020 Only remote cyber operations were allowed in the past. The Marine Corps is changing that by pushing expertise to the fleet. (Master Sgt. Barry Loo/ Air Force) WASHINGTON ― With limited resources and increasing threats, experts at U.S. Cyber Command cannot conduct operations for everyone and protect everything. As a result, the Marine Corps is spreading expertise and resources from high-end cyber warriors to the fleet as it builds prowess in the domain, with new cyber-focused careers for Marines and...