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(1)Check whether the installation of anchor rod meets the design requirements, and handle in time when problems are found.
(2)Clean up waste rock debris at the injection site. Install gunite machine on the place where the stability of surrounding rock is safe and it cannot be less than 0.5 m from slide clearance. Wind pipeline, water pipeline and transporting pipeline should be straight and no sharp turn, and the joint is tight an no air leakage. It is strictly prohibited to use the antistatic plastic pipe as transporting pipe.
(3) Check whether the shotcrete machine is in good condition, and conduct the no-load test run. Fasten the friction plate to avoid the phenomenon of air leakage.
(4) Prior to spraying, flushing the rock-face with high pressure water, and set the marks in the tunnel vault to indicate it should be spraying thickness.
(5) Spraying personnel should wear complete and effective labor insurance supplies.
Gaode Equipment Co., Ltd, short name Gaodetec, is a manufacturer specialized in R&D, manufacture and sale of concrete spraying machine. We have now developed full series of dry-mix shotcrete machine and wet-mix shotcrete machine, output from 1.5m3/h to 9m3/h,electric motor,diesel engine,air motor and gasoline are available options for customization.
If you are interested in our products, please keep free to contact with us.
Email：info@gaodetec.com
