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Design of the RNZAF Base Ohakea Runway 09-27 Reconstruction

机译:RNZAF基地Ohakea跑道09-27改建设计

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The main runway at RNZAF Base Ohakea has undergone complete reconstruction. A flexible unbound granular pavement with a structural asphaltic concrete surface was designed for the replacement pavement. Unusual aspects of the design included removal of weak silts and clays to expose the "terrace gravel" as the subgrade. A subbasecourse was recycled runway concrete slabs crushed to produce an aggregate. The cost of crushing the concrete was similar to that of importing a subbasecourse-quality crushed rock. Recycling the existing material gave significant benefits to the community as less of the local aggregate resource was used, transportation of materials outside the site was reduced and dumping whole or broken concrete slabs was not required. A modern mix design Superpave asphaltic concrete was specified for the surfacing.
机译:RNZAF Base Ohakea的主要跑道已经过全面重建。设计了具有结构性沥青混凝土表面的柔性未结合的粒状路面,用于替代路面。设计中不寻常的方面包括清除薄弱的淤泥和粘土,以暴露“露台碎石”作为路基。一个子基层是回收的跑道混凝土板,将其压碎以产生骨料。压碎混凝土的成本与进口具有地下层质量的压碎岩石的成本相似。回收现有材料为社区带来了巨大的好处,因为减少了当地总资源的使用,减少了场地外材料的运输,并且不需要倾倒整个或破碎的混凝土板。表面采用了现代混合设计的Superpave沥青混凝土。

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