concrete shaft

См. также в других словарях:

• 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

• Concrete mixer — This portable concrete/mortar mixer has wheels and a towing tongue so that it can be towed by a motor vehicle and moved around the worksite by hand, and its rotation is powered by mains electricity. The lever allows the concrete/mortar to be… …   Wikipedia

• Concrete plant — American made, portable Model S RexCon concrete plant with 12 yard Rex mixer, Horizontal Mixer, and Aggregate Bins can produce up to 55 loads of concrete per hour …   Wikipedia

• Shaft mining — Abandoned mine shafts in Marl, Germany. A …   Wikipedia

• Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …   Wikipedia

• Concrete saw — A concrete saw being readied for use. The man in the background is preparing the hose to deliver water to cool the saw, whilst the operator is moving the saw to the required position. A substantial engine powers the unit …   Wikipedia

• Concrete pump — Because it is a fluid, concrete can be pumped to where it is needed. Here, a concrete transport truck is feeding concrete to a concrete pumper, which is pumping it to where a slab is being poured …   Wikipedia

• Concrete masonry unit — A stack of rectangular CMUs Cinder block redirects here. For the American singer, see Cinder Block (musician). In the United States, a concrete masonry unit (CMU) – also called concrete block, cement block, and foundation block – is a large… …   Wikipedia

• Cliffs Shaft Mine Museum — This article is about the former iron mine in Marquette County, Michigan. For the former copper mine in Keweenaw County, Michigan, see Cliff mine. Cliffs Shaft Mine Old headframe, built 1919 …   Wikipedia

• 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

• Roman concrete — The Pantheon in Rome, Italy, is an example of Roman concrete construction. Roman concrete (also called Opus caementicium) was a material used in construction during the late Roman Republic through the whole history of the Roman Empire. Roman… …   Wikipedia