SHANDONG HENGWANG GROUP
The support is the general term for the stability and construction safety of the underground chamber after excavation, and the general term for the components or other measures taken to support, reinforce, or coat the surrounding rock. There are generally U-shaped steel brackets, hydraulic props, hinged roof beams, anchor net mesh, and so on. When using the traditional method of mine construction, there are three kinds of supporting types: retained pillars, erected supports, and reinforced rocks. When the new Austrian method is used for construction, it can be divided into two types of temporary support and permanent support according to the supporting effect, including spray anchor support, steel-wood support, concrete lining, and grouting support.
The single hydraulic prop for the external supply of constant resistance type single hydraulic prop, it can be matched with various top beam, can also make use of column. For the blasting mining face supporting the roof, also can do other temporary supporting the use of.
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