发明名称 Securing fissured mountain rock - involves driving wedging units into gaps, with cementing substance added
摘要 <p>The system enables the consolidation of fissured rock, esp. where it is a menace to paths or tracks in mountainous regions, where heavy equipment and materials are not easily transported. Chisel-type wedging elements (4), with cementing material (5) added, are driven into gaps in the rock, esp. in fissures. The end of these elements is pref. cut away flush with the rock surface. They may be made of non-corroding, impact-resistant, slightly elastic material. Fibreglass (RTM) is suitable. Hard-setting adhesive can be used for -cementing. This secures pieces of rock from breaking away.</p>
申请公布号 DE2953784(A1) 申请公布日期 1983.03.31
申请号 DE19792953784 申请日期 1979.11.28
申请人 RIBBERT,HANS 发明人 RIBBERT,HANS
分类号 E21D20/02;E21D21/00;(IPC1-7):21D21/00 主分类号 E21D20/02
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