washing sea sand for concrete

  • Mining the sea sand - Seafriends

    Mining the sea sand A recent application for resource consent by Kaipara Excavators to mine large quantities of sea sand over a vast area of sea bottom, during a projected period of over 30 years, has raised concern with government administrators and local communities.

  • Methods for wash sea sand - Henan Mining Machinery Co., Ltd.

    Feasibility Study of Concrete Production Using Sea. This paper presents the use of water to wash sand approach can effectively achieve the purpose of washing sand chloride Desalination of sea sand after a qualified construction sand, and the production process is simple, has a .

  • Sand and Gravel in Concrete | Shelly Company

    Jan 30, 2014 · Sand and Gravel in Concrete. January 30, 2014 By e3admin. ... While Portland cement is the standard for concrete mixtures, the type of sand you use may vary. Unwashed beach sand creates a mixture that isn't quite as strong as products made with sand that's been cleaned. Clean sand tends to produce a more high-quality product.