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Hydraform International Pty Ltd. is a manufacturer of brick and blockmaking machines. It was founded in Johannesburg, South Africa. [1] The company specialises in brick and blockmaking machines and accessories that enable the development of a stabilised soil cement block or a compressed earth block (CEB). Their products include stabilised soil ...
The standard brick sizes in Mesopotamia followed a general rule: the width of the dried or burned brick would be twice its thickness, and its length would be double its width. [ 8 ] The South Asian inhabitants of Mehrgarh also constructed air-dried mudbrick structures between 7000 and 3300 BC [ 9 ] and later the ancient Indus Valley cities of ...
Working dimensions is the size of a manufactured brick. It is also called the nominal size of a brick. Brick size may be slightly different due to shrinkage or distortion due to firing, etc. An example of a co-ordinating metric commonly used for bricks in the UK is as follows: [4] [5] [6] Bricks of dimensions 215 mm × 102.5 mm × 65 mm; Mortar ...
In 2002 the International Institute for Energy Conservation was one of the winners of a World Bank Development Marketplace Award for a project to make an energy-efficient Dutch brick-making machine for home construction in South Africa. By making cheaper bricks that use earth, the project would reduce housing costs while stimulating the ...
It was rounded down to 340 ml when South Africa converted to the metric system in 1970. The 340 ml capacity also became the standard volume for beer and soda cans until 2007, when the bottling plants converted to the 330 ml European standard. It has since been replaced by long-necked 330 ml beer bottles.
In 1972, the union absorbed the Coloured, Malay and Asiatic Building Workers' Union, followed in 1980 by the majority of the Amalgamated Society of Woodworkers of South Africa. This took its membership up to 19,000. [7] In 1991, it was a founding affiliate of the short-lived Federation of Independent Trade Unions. [8]
Even today, mudbricks are the standard of vernacular architecture in some warmer regions- mainly in parts of Africa and western Asia. In the 20th century, the compressed earth block was developed using high pressure as a cheap and eco-friendly alternative to obtain non-fired bricks with more strength than the simpler air-dried mudbricks.
Clay engineering bricks are defined in § 6.4.51 of British Standard BS ISO 6707-1;2014 (buildings & civil engineering works - vocabulary - general terms) as "fire-clay brick that has a dense and strong semi-vitreous body and which conforms to defined limits for water absorption and compressive strength". [2]