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Standards Development
This document specifies the method for testing for the purpose of measuring dust concentration accompanying spraying of concrete.
This document does not purport to address all of the safety concerns, if any, associated with its use.
There are no ISO and IEC standards presently for the test of dust concentration in air during spraying concrete, so the proposed work has no conflict or impact on ISO deliverables. As to the other existing international or regional standards, such as JSCE-F 564-2005 Test Method for Dust Concentration in Air During Spraying Concrete (Mortar), which provides a method to measure the dust concentration in air during spraying concrete, could be the references for the drafting of this standard.
The substantial dust generated during the spraying of concrete reduces the visibility of the construction environment, hinders the improvement of construction quality, and even may create safety hazards. Simultaneously, dust poses serious health risks to construction personnel. Therefore, it is urgently to develop a standard for the dust concentration of sprayed concrete to improve the construction environment, protect the health of constructors, ensure construction safety, and enhancing the quality of the sprayed concrete layer.
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