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A rubble trench foundation with a concrete grade beam is not recommended for earthquake prone areas. [3] A foundation must bear the structural loads imposed upon it and allow proper drainage of ground water to prevent expansion or weakening of soils and frost heaving. While the far more common concrete foundation requires separate measures to ...
A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.
Rubble trench foundation; S. Staddle stones; W. Waffle slab foundation; Wall footing This page was last edited on 25 November 2019, at 21:54 (UTC). Text is ...
Rubble trench foundations are a shallow trench filled with rubble or stones. These foundations extend below the frost line and may have a drain pipe which helps groundwater drain away. They are suitable for soils with a capacity of more than 10 tonnes/m 2 (2,000 pounds per square foot).
Earthbag buildings can also be built on conventional concrete slabs (though this is more expensive and uses more embodied energy than a rubble trench foundation) and can have a bermed or underground "floating" foundation like an earthship as well. Several courses of gravel in doubled woven bags form a water-resistant foundation.
During 1998, the company elected to expand its British-based concrete repair subsidiary Makers, [13] as well as acquire the Australian foundation specialist Franki for £3.5 million. [14] In August 1999, Keller Group stated that two-thirds of its pre-tax profits were derived from Makers. [15]
As of 31 March 2022, L&T has 93 subsidiaries, 5 associate companies, 27 joint ventures and 35 joint operations. [18]L&T – Construction Equipment Limited: having its registered office at Mumbai, India and focusing on construction equipment and mining equipment, L&T-Komatsu Limited [19] was a joint-venture of Larsen and Toubro, and Komatsu Asia Pacific Pte Limited, Singapore, a wholly owned ...
1 Foundation. 2 Products. 3 See also. 4 ... TAKRAF India Pvt. Ltd. Company type: ... 1995: Headquarters: Chennai, India. Products • Mining Systems & Equipment ...