Rapid repair of runways

摘要: A method and apparatus for performing rapid repair of a crater-damaged aircraft runway. The surface level area the crater is first enlarged to predetermined rectangular within which plurality concrete tiles standard will fit contiguously cover area. filled with material. contour runway leading up conformed by series end-to-end scraper blades widths equal that tiles, are lifted en masse traveled an edge where they lowered thereinto depth below undamaged thickness tile. device then other end while striking off fill material provide smooth, even upon laid.