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https://doi.org/10.1177/0144598716659599

has been cited by the following article:

• TITLE: Application of Roadway Spray Material to Fire Prevention in Goaf Excavation

  AUTHORS: Hao Rong

  KEYWORDS: Goaf Excavation, Thin Layer Spraying, Construction Technology, Shotcrete Plugging, Air Leakage Plugging

  JOURNAL NAME: World Journal of Engineering and Technology, Vol.12 No.2, May 17, 2024

  ABSTRACT: In order to reduce the risk of spontaneous combustion in goaf during goaf excavation process, polymer modified cement mortar spraying material was used to spray and seal the roadway surface. The experimental application was carried out in the upper channel 2304 of a mine in Henan Province. The test results showed that polymer modified cement mortar spraying material could effectively support the roadway and greatly reduce the deformation rate of the roadway. The best spraying thickness is 5 mm. Through the monitoring of tunnel air leakage, it is concluded that the polymer modified cement mortar spraying material can reduce the tunnel air leakage and play a better sealing effect.