Ferrocement is a composite material consisting of layered wire meshes and rich cement-sand mortar which imparts high degree of ductility and energy absorbing capacity. Although ferrocement has proven itself as an excellent material for low cost housing, its durability continues to be a matter of concern owing to the corrosion susceptibility of the small diameter metallic wire meshes. Protection of reinforcement in ferrocement is usually achieved through the galvanized wire mesh, increased effective cover and dense mortar. These methods give only partial protection to the reinforcement against corrosion. This article reviews the studies undertaken to control corrosion in the ferrocement composites and thereby improving the durability of the composites.

There is an alarming housing shortage in Asia and the Pacific region in general and in the Indian context in particular. An economical and a simple alternative construction material will contribute greatly in solving the problem of housing. The provision of proper dwellings and basic infrastructure facilities along with earthquake resistant features, have been the constant endeavour of the previous researchers. Ferrocement has proven itself as an excellent material for low cost earthquake resistant housing. Various research organisations and non-government agencies viz. CBRI, SERC, AVBC, HUDCO and some other private sector organisations have also been involved in propagating the technology for effective use of ferrocement units.

The corrosion susceptibility puts a question mark on the effective service life of ferrocement and its components. Any technique suggesting the enhanced life through use of corrosion inhibitors will definitely establish the effectiveness of the ferrocement material system for a wider range of application in diversified areas including housing, agriculture, industrial, terrestrial and marine etc. Success of ferrocement, as with other material depends largely upon its durability.

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ISSN: 2472-0437

Current Issue: Volume 5: Issue 1

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