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Title: Sulfur Concrete: Understanding/Application

Author(s): Scott S. Pickard

Publication: Concrete International

Volume: 3

Issue: 10

Appears on pages(s): 57-67

Keywords: concrete construction; concrete finishing (fresh concrete); concretes; floors; mixers; mix pro-portioning; pavements; physical properties; placing; plasticizers; ready mixed concrete; sulfur.

DOI:

Date: 10/1/1981

Abstract:
Sulfur concrete uses sulfur as the binding agent for aggregate and therefore replaces the cement and water components of a regular portland cement con-crete mix. Sulfur concrete may prove to be a cost-effective substitute for portland cement concrete in certain applications which take advantage of its unique characteristics: (1) high strength and fatigue resistance; (2) excellent corrosion resistance against almost all acids and salts; (3) extremely rapid set and strength gain; (4) remeltable and reusable without changing its chemical properties; (5) relatively safe to use. However, sulfur concrete’s commercial success will depend upon solving two key problems: (1) developing the necessary sulfur supply and transport infrastructure to enable the price of sulfur delivered to be competitive with the price of cement delivered; (2) developing material and performance specifications to speed acceptance by government and industry. This article develops the above conclusions within the framework of three broad subject areas: the history of sulfur concrete’s development; the physical and chemical characteristics of sulfur concrete; and the practical application of sulfur concrete. [Author]