Map of Amsterdam and projected ring road Client: Dutch Public Works Department, Locks and Weirs Division, Utrecht Construction period: 1984 -1989 Construction costs: f 80,219,000 ringweg oost Main contractor: Van Hattum en Blankevoort bv, Beverwijk Sub contractors Dredging and excavation: Nooteboom en Paans, Barendrecht Pile driving: Van Splunder Heiwerken, Rozenburg Pile driving: Dirk Verstoep, Gouderak Grout anchors: Franki Nederland, Capelle a/d IJssel Diving: Raymakers, Haelen Prefabricated concrete piles: Betonson, Son Steel injection piles and tubes: Volker Stevin Materieel, Spaarndam Pouring underwater concrete: Welling, Didam Pouring structural concrete: Vloertechniek, Vlaardingen Concrete supply: Mebin, Amsterdam j Pumping concrete: Nijwa, Hengelo Welding: Ringeling, Amsterdam Tensioning: Christiaanen en de Koning, Wijk bij Duurstede Steel tunnel formwork: Grimbergen, Alphen a/d Rijn Watertight Gina and Omega type gaskets: Vredestein, Renkum Dock gate and steel strip: Sondij, Almere Internal transport: Fa. J. Bellekom, Amsterdam Ringweg in aanleg ZEEBURGER tunnel I \ Information Centre Zuiderzeeweg 14 1095 K G Amsterdam Admission times: Monday to Friday from 09.00 a.m. to 04.00 p.m. Telephone: 020-682323 and 020-682380 Technical data Sheet piles: 3,677 tons, Hoesch type, quality StSpS Grout anchors: 255 items, length: 27 to 43 m; diameter 26,5 and 32 mm Injection piles: 192 items, length: 38 to 39.5 m H E 240 m type Prefabricated concrete piles: 1464 items, size: 450 x 450 mm, length: 16.5 to 24.5 m; variable depth of 24 to 27 m Dredging and excavation: 800,000 cubic metres of soil Steel tubes: 120 items, diameter: 508 mm Underwater concrete: 21,000 cubic metres B 22,5 Structural concrete: 63,500 cubic metres B 22,5 Tensioning: 7,100 tons FeB 220 H W and FeB 400 H W L A publication of the Ministery of Transport and Public Works Design: M i r e l l a D i j k e r m a n and Jan van Waarden Photos: D u t c h Public Works Department, Reprographic Division Cover illustration: Paul Kerrebijn Buiten^ IJ Eiland "Zeeburg" i n 11 Geotechnical cross-section with tunnel /Brug CO / IJ-meer | -10m -20m X. -50m mm gravel 1 shells remains of plants
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