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Working Platforms for Specialty Geo-Construction

by Jim De Waele, CEng., A chartered geotechnical engineer, London, U.K., jim.dewaele@keller.com,


Serial Information: Geo-Strata —Geo Institute of ASCE, 2021, Vol. 25, Issue 3, Pg. 46-53


Document Type: Feature article

Abstract: A major cause of rigs toppling over is the state of the "working platform" that they must work from. A working platform is a layer of material, often compacted sand or gravel, placed over the subgrade, that provides a prepared surface and can safely support construction activities. The working platform should be firm and stable throughout its service life, which includes the life of the project when the platform is left in place following construction. Furthermore, loads from equipment and materials must not get too close to the exterior edges of the platform or interior edges of excavations within the platform. View a working platform like scaffolding: it�s there to provide a surface to work from, and it must be properly designed, built, and maintained.

Subject Headings: Construction materials | Compacted soils | Subgrades | Subgrade soils | Service life | Sand (material) | Project management

 

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