产品详细信息
1.FEATURES :
(1) Be made of steel strand,and has incomparable flexible capacity and anti-shearing capacity.
(2) Be used in area that is not strong enough ,can prevent the strata to move in the lateral direction.it has better support efficiency that other bolts.qqqqq
(3) Has three or four cages in the body ,that can churn anchor grout sufficiently and hold more anchor grout . when the grout solidified, it can form a inseparable whole body between the bolt and strata ,that can improve anchor capacity.
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公司详细资料
Shandong Tongrui Mining Technology Co.,Ltd was founded in 2007 in Tai an, Shandong, China. In 2011 we set up GSI(Ground ...