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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Sustainability by Using Zero Wash-out Admixture for Large Underwater Concreting Project in India
Author(s): Surendra Manjrekar and Ishita Manjrekar
Publication: Special Publication
Appears on pages(s): 1-8
Keywords: under water concreting, anti-washout admixture, admixture, mix design
Abstract:This paper maps the development of Anti-washout admixtures for the first time on the Indian subcontinent. Anti washout admixture was required to be used for the construction of a weir for the SriSalem Dam across the Krishna River in Andhra Pradesh, India. The project required 30000 cubic meters of concreting to be done under water without the erection of a cofferdam and the project cost was estimated to be about $5.6 million. The consultants were SNC Lavelin, Canada and the contractors were Patel Engineering, India. Since there were no manufacturers of anti washout admixture in India, this was a significant development from Sunanda Speciality Coatings Pvt. Ltd.’s lab involving over 100 trials that culminated in about 90000 liters of the admixture being used in the project.
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