Raft foundations
A raft foundation consists of a raft of reinforced concrete under the whole of a building. This type of foundation […]
A raft foundation consists of a raft of reinforced concrete under the whole of a building. This type of foundation […]
On sites where the slope of the ground is such that there is an appreciable fall in the surface across
When {Portland cement} was first continuously produced, towards the end of the nineteenth century, it became practical to cover the
A nail having two heads, one above the other; the upper head is driven with a hammer, and it is
A window having two vertically sliding sashes, each closing a different part of the window; the weight of each sash is counterbalanced for
A type of seam between the edges of adjacent metal sheets; formed by making a double fold, then dressing down to form a
1. Two tenons, side by side, at one end of a member; also called a divided tenon. 2. Two tenons,
A vault, usually domical, consisting of an inner shell separated from a higher outer shell.
The natural surface of ground is rarely level to the extent that there may be an appreciable slope either across
Ground water (land) drains are laid in trenches at depths of 0.6 and 0.9 m in heavy soils and 0.9