The effect of lead compounds in aggregate upon the setting of Portland cement

Author:

Midgley H. G.1

Affiliation:

1. Ministry of Public Building and Works : Building Research Station

Abstract

Synopsis Lead compounds may occur in rocks used as aggregates in concrete and those soluble in lime water will affect the rate of hardening of the concrete. The set will be delayed for 7 days by 0·8 % lead soluble in limewater, for 1 day by 0·15 %. Smaller amounts will delay the set and lower the early strength, but subsequent strengths will be as good as or better than for concretes with an equivalent aggregate without the lime-soluble lead.

Publisher

Thomas Telford Ltd.

Subject

General Materials Science,Building and Construction,Civil and Structural Engineering

Cited by 8 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Strength and Abrasion Characteristics of ISF Slag Concrete;Journal of Materials in Civil Engineering;2013-11

2. 8. Aggregates for concrete;Geological Society, London, Engineering Geology Special Publications;2001

3. Bibliography;Concrete Materials;1992

4. An XPS and EDS Investigation of Portland Cement Doped with Pb2+ and Cr3+ Cations;Hazardous Waste and Hazardous Materials;1989-01

5. A model for lead retardation of cement setting;Cement and Concrete Research;1989-01

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