Volume change
Firm, compact shrinkable clays suffer appreciable vertical and horizontal shrinkage on drying and expansion on wetting due to seasonal changes. […]
Glossary
Glossary
Resistance to the passage of heat
The requirements of the Building Regulations and practical advice in Approved Document L include provision for insulation to some ground
Glossary
Oversite concrete
When {Portland cement} was first continuously produced, towards the end of the nineteenth century, it became practical to cover the
Glossary
Raft foundation on sloping site
On sites where the slope of the ground is such that there is an appreciable fall in the surface across
Glossary
Raft foundations
A raft foundation consists of a raft of reinforced concrete under the whole of a building. This type of foundation
Glossary
Pad foundations
On made up ground and ground with poor bearing capacity where a firm, natural bed of, for example, gravel or
Glossary
Narrow strip (trench fill) foundation
Stiff clay subsoils have good bearing strength and are subject to seasonal volume change. Because of seasonal changes and the
Glossary
Polythene and polyethylene sheet
Polythene or polyethylene sheet is commonly used as a {damp-proof membrane} with oversite concrete for all but severe conditions of
Glossary
Foundations and oversite concrete
The trenches which have to be dug for the foundations of walls may be excavated by hand for single small