<p>A lightweight cement block for use in a mine support which is precast with embedded mesh reinforcing and which is formed on an underside with channel formations which receive forks of a forklifter to facilitate transport of the block and which define zones of weakness to promote controlled yielding of the block.</p>
申请公布号
WO2004042195(A1)
申请公布日期
2004.05.21
申请号
WO2003ZA00165
申请日期
2003.11.06
申请人
GRINAKER-LTA LIMITED;ERASMUS, NICO;VISAGIE, JOSEPH, CORNELIUS
