shaft structure
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Shaft construction — concerns the building of vertical openings such as Raises and Shafts. Shafts are vertical openings used for supplying equipment, personnel, and support systems to the horizontal tunnel where the pipeline is installed. They can be temporary or… … Wikipedia
shaft house — noun : a structure erected at the top of a shaft to house hoisting machinery * * * a structure housing machinery and other equipment at the top of a mine shaft. [1870 75] * * * shaft house, a heavy framework at the top of a mine shaft, to support … Useful english dictionary
Shaft tomb — A shaft tomb or shaft grave is a type of burial structure formed from a deep and narrow shaft sunk into natural rock. Burials were then placed at the bottom. A related group of shaft and chamber tombs also incorporate a small room or rooms cut… … Wikipedia
shaft — n. [A.S. sceaft, shaft] The cylindrical part of a limb or structure … Dictionary of invertebrate zoology
shaft house — a structure housing machinery and other equipment at the top of a mine shaft. [1870 75] * * * … Universalium
Offshore concrete structure — Offshore concrete structures have been in use successfully for about 30 years. They serve the same purpose as their steel counterparts in the oil and gas production and storage. The first concrete oil platform has been installed in the North Sea… … Wikipedia
Western Mexico shaft tomb tradition — The Western Mexico shaft tomb tradition or shaft tomb culture refers to a set of interlocked cultural traits found in the western Mexican states of Jalisco, Nayarit, and, to a lesser extent, Colima to its south, roughly dating to the period… … Wikipedia
Columnar structure — Columnar Co*lum nar, a. [L. columnaris, fr. columna.] Formed in columns; having the form of a column or columns; like the shaft of a column. [1913 Webster] {Columnar epithelium} (Anat.), epithelium in which the cells are prismatic in form, and… … The Collaborative International Dictionary of English
Angle shaft — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where … The Collaborative International Dictionary of English
Maya Research Program — A pair of masks depicting an Early Classical ruler of Blue Creek The Maya Research Program is a US based non profit organization (501C3) that sponsors archaeological and ethnographic research in Middle America. Each summer since 1992, they have… … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
