hollowbar的部落格

1)Resin anchor bar is a kind of new placing implement,which embodies pneumatic drills,coal electric drill together with hydraulic drill.
2)The site of borehole should be marked and located in advance.Moreover,the anchor cavity should keep verticle with rock beddings and crack surface,when the conditions are not suitable,the anchor bar will be required to be installed in the center of roadway as desired.
3)Making a clearance of rock powder within the borehole with the utilization of compressed air or water after drilling.the borehole within coal mine or soft rock should not be extruded in case the largement of borehole.
4)There are several points that should be as requirement,containing direction,position and plainess.
According to the category of resin capsule and its solidafication time,which can be defined as ck type(super fast),K type(fast),Z type(moderate speed) and M type(slow).The typical property of resin anchor bolt can be clearly seen in Sinorock official website.
The installation of resin anchor rod is often follow the underline measurements.