About: British Lift Slab   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

The British Lift Slab (BLS) was a method of construction devised by the company of the same name. The construction method basically involves the erection of reinforced concrete columns around which a continuous reinforced concrete floor slab is formed. Once set and in place the floor slab is then mechanically jacked up around the column and wedges inserted to secure the slab to the column. A concrete cap is then cast to protect the joint between the column and the underside of floor slab.

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  • British Lift Slab
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  • The British Lift Slab (BLS) was a method of construction devised by the company of the same name. The construction method basically involves the erection of reinforced concrete columns around which a continuous reinforced concrete floor slab is formed. Once set and in place the floor slab is then mechanically jacked up around the column and wedges inserted to secure the slab to the column. A concrete cap is then cast to protect the joint between the column and the underside of floor slab.
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  • The British Lift Slab (BLS) was a method of construction devised by the company of the same name. The construction method basically involves the erection of reinforced concrete columns around which a continuous reinforced concrete floor slab is formed. Once set and in place the floor slab is then mechanically jacked up around the column and wedges inserted to secure the slab to the column. A concrete cap is then cast to protect the joint between the column and the underside of floor slab. This type of method was most often used in multi-storey car parks throughout the 1960s, however it was also used in the construction of some residential properties such as the tower blocks on the Long Nuke Road estate in Birmingham. In 1988, a car park of this construction in Coventry suffered a partial collapse which led to recommendations that similarly constructed car parks be regularly inspected. A further failure occurred to a BLS car park at Pipers Row in Wolverhampton in 1997 at which time the Council commissioned a structural survey which did not raise any particular areas of concern. Numerous car parks of this construction have since been demolished due to concerns over their safety. Similarly, structural defects were found in the Long Nuke Road estate blocks and these have since been demolished as a result.
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