An evaluation of repair mortars installed by worm-pump spraying

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    Application of repair mortars for concrete repairs can be carried out by machine as well as by hand. Learn about the advantages of machine application for both dry and wet spray processes.

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    The mortar is put into the pump hopper as a dry powder and fed by compressed air in a thin stream to the point of application. At the back of the nozzle the powder is mixed with water, including accelerator if required and propelled to the substrate at a pressure of about 2 bar.

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    GET A QUOTE
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  • Dry vs Wet Machine Applied Mortars for Concrete Repairs

    The mortar is put into the pump hopper as a dry powder and fed by compressed air in a thin stream to the point of application. At the back of the nozzle the powder is mixed with water, including accelerator if required and propelled to the substrate at a pressure of about 2 bar.

    GET A QUOTE
  • An evaluation of repair mortars installed by worm-pump

    An evaluation of repair mortars installed by worm-pump spraying the fresh and hardened performance of wet-process sprayed mortars andud the influence of rheology on the pumping and spraying of these mortars. Seven commercially available preblendedud repair mortars designed for hand application, together with a laboratory-designed fine

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  • Low-volume wet-process sprayed concrete: hardened

    Feb 22, 2007 · Up to10%cash back · Goodier CI, Austin SA, Robins PJR (2001) An evaluation of repair mortars installed by worm-pump spraying. Proc. of the int. conf. on engineering developments in shotcrete, Hobart, Tasmania, Australia 2–4:103–110. 5. Austin SA, Robins PJ, Goodier CI (2002) Construction and repair with wet process sprayed concrete and mortar, technical report no. 56.

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  • An evaluation of repair mortars installed by worm-pump

    For the full text of this licence, please go to: creativecommons.org/licenses/by-nc-nd/2.5/ An evaluation of repair mortars installed by worm-pump spraying C.I.Goodier Building Research Establishment, Watford, Herts., UK S.A.Austin & P.J.Robins Loughborough University, Loughborough, Leics., UK ABSTRACT: This paper examines the fresh and hardened performance of wet-process sprayed mortars and the influence of rheology on the pumping and spraying …

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  • Field Guide to Concrete Repair Application Procedures

    of form-and-pump, form-and-pour, or spray application methods. Refer to the material manufacturer's recommenda-tions for recommended repair material placement thickness. Placement thickness will vary depending on the type of materials selected and the size, depth, and orientation of the repair cavity and may range from 1/8 to 4 in. (3 to 100 mm)

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