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backfill concrete

См. также в других словарях:

  • backfill — /ˈbækfɪl/ (say bakfil) noun 1. the material used to refill an excavation or support the roof of a worked mine. 2. sand or earth placed behind timber, steel, or concrete linings in mine shafts or tunnels. 3. Building Trades material used to refill …  

  • Dowel bar retrofit — sawcuts A dowel bar retrofit befor …   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

  • Bridge maintenance — Maintenance of today s bridge infrastructure presents many unique challenges. Transportation engineering and maintenance personnel must maintain around the clock service to millions of people each year while maintaining millions of cubic meters… …   Wikipedia

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

  • Tire recycling — is the process of recycling vehicles tires (or tyres) that are no longer suitable for use on vehicles due to wear or irreparable damage (such as punctures). These tires are among the largest and most problematic sources of waste, due to the large …   Wikipedia

  • Infrared and thermal testing — is one of many Nondestructive testing techniques designated by the American Society of Nondestructive Testing (ASNT) [Jackson, C.N. and C.N. Sherlock, 1998, Nondestructive Testing Handbook: Leak Testing, page 519, Library of Congress Cataloging… …   Wikipedia

  • Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …   Wikipedia

  • Construction methods for private pools — There are several distinct construction methods for private (home) swimming pools, which are typically called concrete , vinyl liner , and fiberglass . The term vinyl liner pool describes the method of lining the interior, not the construction… …   Wikipedia

  • Geotechnical engineering — [ Boston s Big Dig presented geotechnical challenges in an urban environment.] Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating …   Wikipedia

  • El Musel — Located in Asturias, in the north of Spain, and in the middle point of the Cantabrian Sea coast, the Port of Gijón is often seen as an ideal gateway to Europe, allowing direct access to the western and centre of the Iberian Peninsula.Gijón is an… …   Wikipedia

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