Lightweight Concrete Deck or Tappan Zee Bridge


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Title: Lightweight Concrete Deck or Tappan Zee Bridge

Author(s): W. G. Mullen

Publication: Journal Proceedings

Volume: 55

Issue: 12

Appears on pages(s): 685-694

Keywords: no keywords

Date: 12/1/1958

Proportioning, testing, and field control are described in detail. The proiect demonstrated that high strength lightweight concrete may be produced using cement factors similar to those required for normal weight concrete through the use of drier consistencies with lowered total water content. Presaturation of aggregates and stabilization of free moisture content was the key to successful control. The contribution of natural sand content to compressive strength and workability is mentioned.