The CADD Landfill

by Clifford Merrit, Special Projects Engr.; Environmental Engineering & Technology, Owens/Corning Fiberglas Corp., Fiberglas Tower, SG/14, Toledo, OH 43659,

Serial Information: Civil Engineering—ASCE, 1989, Vol. 59, Issue 6, Pg. 52-53

Document Type: Feature article


Designing landfills with CADD, engineers have reduced cut and fill calculations from two weeks to two days. Aerial surveys arrive on magnetic tapes and are loaded into computers by in-house engineers. Minor alterations are digitized into the computer. Earthwork calculations take seconds. And at the stroke of a key, contour maps, surface meshes, drainage ditches and haul roads are plotted from as many as 255 layers of the CADD memory. At Owens/Corning Fiberglas in Toledo, the era of the CADD landfill design is six years old. The CADD process follows traditional landfill designs. Maps are produced that are used during site construction. These indicate borrow and fill operations, drainage and sediment control, access and haul roads, support structures and landscaping.

Subject Headings: Computer aided design | Landfills | Fills | Mapping | Surface drainage | Highway and road structures | Aerial surveys | Magnetic fields

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