Coating Postponed-Set Mortar with a Single-Screw Extruder

Jian Hui Zhang; Xing Xing; Hua Feng Zhong

doi:10.4028/www.scientific.net/AMR.530.24

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On the Language Performance of Composite Materials in the Art
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Preparation of Low-Temperature Sintered Ba₂Ti₉O₂₀ Ceramics Doped with B₂O₃ by Different Method
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Coating Postponed-Set Mortar with a Single-Screw Extruder
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The Design of the Vacuum Plastics-Absorption Mould for Fridge Freezer Inner Shell
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 530Coating Postponed-Set Mortar with a Single-Screw...

Coating Postponed-Set Mortar with a Single-Screw Extruder

Abstract:

Postponed-set mortar (PSM) is a new type material applied in prestressed concrete components. Successive coating a lay of PSM on prestressed strand is a key to engineering application. On the basis of experimental investigation, the model of PSM screw conveying is built by using the theories of rheology, and the flow for PSM in a single-screw coating machine is studied. The experimental results suggest that the Bingham plastic’s PSM can be conveyed by screw and coated on prestressed strand. It is achieved that PSM and polyethylene sheath is automatically and successively coated on prestressed strand only once by using the machine.