When.com Web Search

  1. Ads

    related to: hydra drill cost list of equipment for concrete patio cleaning methods and strategies

Search results

  1. Results From The WOW.Com Content Network
  2. Pressure washing - Wikipedia

    en.wikipedia.org/wiki/Pressure_washing

    Patio flagstones being pressure washed using a rotary nozzle. Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces. The volume of a mechanical pressure washer is expressed in gallons or liters ...

  3. New Austrian tunneling method - Wikipedia

    en.wikipedia.org/wiki/New_Austrian_tunneling_method

    The New Austrian tunneling method (NATM), also known as the sequential excavation method (SEM) or sprayed concrete lining method[1] (SCL), is a method of modern tunnel design and construction employing sophisticated monitoring to optimize various wall reinforcement techniques based on the type of rock encountered as tunneling progresses.

  4. Caisson (engineering) - Wikipedia

    en.wikipedia.org/wiki/Caisson_(engineering)

    Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

  5. Home improvement - Wikipedia

    en.wikipedia.org/wiki/Home_improvement

    The concept of home improvement, home renovation or remodeling is the process of renovating, making improvements or making additions to one's home. Home improvement can consist of projects that upgrade an existing home interior (such as electrical and plumbing), exterior (masonry, concrete, siding, roofing) or other improvements to the property ...

  6. Core sample - Wikipedia

    en.wikipedia.org/wiki/Core_sample

    A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the core sample is called the "core hole". A variety of core samplers exist to sample ...

  7. Borehole mining - Wikipedia

    en.wikipedia.org/wiki/Borehole_mining

    Borehole Mining (BHM) is a remote operated method of extraction (mining) of mineral resources through boreholes based on in-situ conversion of ores into a mobile form (slurry) by means of high pressure water jetting (hydraulicking). This process is carried-out from a land surface, open pit floor, underground mine or floating vessel through pre ...