Abstract : The coal wall grouting reinforcement technique is an effective measure to prevent and control rib spalling, and its key procedure is the selection of grouting quantity.
摘要煤壁注浆加固技术是防治煤壁片帮的有效措施，其关键环节在于注浆量的选择。
Surface is smooth and flat on the surface of tray surface, it can meet transportation of all goods, rib reinforcement is installed on the lower surface.
托盘板上表面平整光滑，可满足各种货物的运输，下表面设有加强筋。
The sunken guide-slot forms rib reinforcement at the backside of the base-plate and the base-plate is hard to deform.
下凹的导槽在底板背面形成加强筋，底板 不易变形；
The invention relates to a stone plate, which comprises the following parts: thin stone plate, strip groove on the back of thin stone plate, rib reinforcement inserted in the strip groove.
一种石质板材，包括一石材薄板，在该石材薄板的背面设有条形沟槽，该条形沟槽内嵌设有加强筋。
The invention relates to a stone plate, which comprises the following parts: thin stone plate, strip groove on the back of thin stone plate, rib reinforcement inserted in the strip groove.
一种石质板材，包括一石材薄板，在该石材薄板的背面设有条形沟槽，该条形沟槽内嵌设有加强筋。
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