发明名称 WERKWIJZE EN VAARTUIG VOOR HET BOUWEN VAN EEN BRUG.
摘要 <p>The floating platform supports a movable crane with two central lifting blocks (16), supported by two struts (9), all mounted on two adjoining platforms (8) to form vessel (7) with common propulsion drive. Pillar and caison (5) can thus be placed on foundation (4), using the floating crane unit, which provides a stabilised control during positioning.</p>
申请公布号 NL8802954(A) 申请公布日期 1990.06.18
申请号 NL19880002954 申请日期 1988.11.30
申请人 BALLAST-NEDAM GROEP N.V. EN BALLAST-NEDAM BETON- EN WATERBOUW B.V. BEIDE TE AMSTELVEEN. 发明人
分类号 B63B35/00;E01D19/04;E01D21/06 主分类号 B63B35/00
代理机构 代理人
主权项
地址