Search results
Results from the WOW.Com Content Network
Falsework includes temporary support structures for formwork used to mold concrete [1] in the construction of buildings, bridges, and elevated roadways. The British Standards of practice for falsework, BS 5975:2008, defines falsework as "Any temporary structure used to support a permanent structure while it is not self-supporting."
This method proved to be more cost-effective, while at the same time cut down the construction time when compared to other conventional support methods. [4]: 23 Germany was the next country to investigate soil nailing. From 1975 to 1981 the University of Karlsruhe and the construction company Bauer collaborated to establish a research program ...
This increased stiffness decreases the building's period (negating some of the initial increases) and increases the expected spectral acceleration response requiring stronger foundations and connection strengths. Buckling restrained braces rely on ductility and generally must be replaced after usage during a major earthquake.
The most notable concrete structure from this period is the Pantheon in Rome. To mould this structure, temporary scaffolding and formwork or falsework was built in the future shape of the structure. These building techniques were not isolated to pouring concrete, but were and are widely used in masonry construction.
Shoring is the process of temporarily supporting a building, vessel, structure, or trench with shores (props) when in danger of collapse or during repairs or alterations. Shoring comes from shore, a timber or metal prop. [1] Shoring may be vertical, angled, or horizontal.
Temporary bracing during the construction of the underground train box at the Transbay Transit Center (2013) While a draft environmental impact report was prepared in 1997 for the downtown extension by the Peninsula Corridor Joint Powers Board, the report was never certified and was abandoned in an incomplete state. [ 51 ]
Braced frame construction, also known as full frame, half frame, [6] New England braced frame, [7] combination frame, [8] is an early form of light framing developed from the heavier timber framing which preceded it. It is defined by the continued use of girts, corner posts, and braces.
An impact load is one whose time of application on a material is less than one-third of the natural period of vibration of that material. Cyclic loads on a structure can lead to fatigue damage, cumulative damage, or failure. These loads can be repeated loadings on a structure or can be due to vibration.