Dynatite Seals Largest Immersion Tunnel

Thursday, February 18, 2010
Photo courtesy BETA Public Relations B.V.

More than 35 years ago Beele Engineering started offering gastight penetrations for utility pipes, preventing gas explosions due to leaking gas inlets. The latest specialist sealing concerns the immersion tunnel near the South-Korean city of Busan that is being immersed by Mergor, a subsidiary of Strukton. The deepest element of this tunnel was placed recently at a depth of 50 metres.

The Geoje Fixed Link connects the second capital of South Korea, Busan, with the Geoje peninsula, reducing the travel time between the two from 2.5 hours to just 50 minutes. The tunnel is 3.2 kilometres long. For the watertight sealing of pipe penetrations the Dynatite system of Beele Engineering is used.

Prior to the field application, tests were carried out to determine the max. pressure load of this advanced sealing plug. The plug was tested under a pressure load of 1400 kg (14 kN). The pressure test was even continued with higher loads to determine the max. compression of the plug. Even at the extremely high pressure load of more than 18 kN (equalling a pressure of 27.5 bar) the profiling of the Dynatite plug hadn’t reached bulk modulus and thefore could be compressed even further.

The Dynatite system was developed for applications where a high degree of (instantaneous) tightness is required. The Dynatite plugs are compressible, can easily withstand shock pressure loads of more than 150 psi (10 bar) and will return to their original shape after shock pressure. The dynamic compression of the plug is based on the high-tech rubber grade and the engineered profiling.

(www.rise-nofirno.com)

Maritime Reporter April 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Offshore

De Beers Confirms Kleven Newbuild Contract

Norwegian shipbuilder Kleven announced its contract with De Beers Marine Namibia, part of De Beers Group, for the building of a specialized vessel for deep water mineral exploration,

DNV GL Issues Design Guidelines for DP Operations

Advanced dynamic positioning (DP) vessels can now meet critical safety regulations while gaining operational flexibility, efficiency and cost savings through new design and monitoring methods.

CEVA Appoint Two Sr Executive

Hoofddorp, the Netherlands, 27 April, 2015 – CEVA Logistics, one of the world's leading supply chain companies, today announced the appointment of two senior

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Standards Naval Architecture Pipelines Pod Propulsion Port Authority Ship Electronics Ship Simulators Winch
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.3053 sec (3 req/sec)