Coded for design.Bamboo is nothing if not flexible. In last month's AR it featured as cladding on a car park at Leipzig Zoo. Here, it is used structurally for a covered walkway and stage being built for St George's Orphanage in Chennai, India. A 3m wide, 30m long and 3.6m high walkway will run along the perimeter of the site, separating the main building from open school grounds; the 6m high cantilevered roof structure of the 10m long open-air stage can be used for plays and events, while providing daytime shade and shelter thanks to 4mm thick locally sourced, hand-made corrugated cor·ru·gate v. cor·ru·gat·ed, cor·ru·gat·ing, cor·ru·gates v.tr. To shape into folds or parallel and alternating ridges and grooves. v.intr. bamboo sheeting. The design brief, developed by Feilden Clegg Bradley Architects and the Batemans Trust, which runs the institution, required sustainable construction methods, resulting in use of a generally available local material, in this case the Bambusa variety of bamboo, colloquially col·lo·qui·al adj. 1. Characteristic of or appropriate to the spoken language or to writing that seeks the effect of speech; informal. 2. Relating to conversation; conversational. known as spiky spik·y adj. spik·i·er, spik·i·est 1. Having one or more projecting sharp points. 2. Grouchy or cross in temperament. spik bamboo. Engineers from Faber Maunsell, in researching structural use of bamboo, found there was no uniform design code, and that British timber codes were not applicable because bamboo is hollow at the centre. There are three draft ISO (1) See ISO speed. (2) (International Organization for Standardization, Geneva, Switzerland, www.iso.ch) An organization that sets international standards, founded in 1946. The U.S. member body is ANSI. bamboo standards in respect of examining physical properties, and for limit state and permissible stress design Permissible stress design (in American construction more commonly called allowable stress design) is a design philosophy used by civil engineers. The designer ensures that the stresses developed in a structure due to service loads do not exceed the elastic limit. . However, the ISO standards This is a list of ISO standards that are discussed in Wikipedia articles. For a list of all the more than 16,000 ISO standards (as of 2007), see the ISO Catalogue. About 300 of the standards produced by ISO and IEC's Joint Technical Committee 1 (JTC1) have been made freely/publicly make reference to national codes--which in India don't currently exist. Faber Maunsell undertook a research project across a number of the 1400 varieties of bamboo, and studied friction rope connections; bolted connections; positive fitting connection joints and interlocking interlocking /in·ter·lock·ing/ (-lok´ing) closely joined, as by hooks or dovetails; locking into one another. interlocking Obstetrics A rare complication of vaginal delivery of twins; the 1st connections, the last requiring factory manufacture. [ILLUSTRATION OMITTED] The research undertaken was applied to the architect's design, with analysis rafter self-weight, and theoretical dead loads of bamboo sheeting and live loads representing rain and maintenance. The first attempt at a design worked in terms of axial load and bending, but the structure failed in deflection and shear; subtle changes to the geometry maximised bamboo performance while keeping connection forces within manageable levels. |
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