Need a Dependable Backfill—Try a Flowable Fly Ash

by Joseph J. Funston, Detroit Edison Co, Detroit, MI, USA,
William C. Krell, Detroit Edison Co, Detroit, MI, USA,

Document Type: Proceeding Paper

Part of: Structural Design, Cementitious Products, and Case Histories


Flowable fly ash is a relatively new cementitious structural backfill material. It can be used in water or in the dry and will flow into place without the usual labor-intensive activities of spreading, rolling, and compacting. Its properties are described and illustrated through the use of short case histories and results of testing.

Subject Headings: Backfills | Fly ash | Case studies | Material tests | Strength of materials | Material properties | Construction materials | Underwater structures

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