发明名称 |
Sagging tram ore rail track repair method - corrects subsidence by lifting track and sleepers and filling space by quick-setting mortar mixt. including aluminium oxide cement |
摘要 |
<p>The method is for correcting sagging rails or road surfaces due to subsidence. It comprises lifting the track from above, forming a space underneath. This space is filled with quick setting mortar, being below the longitudinal sleepers. The space is supplied with mortar which is a mixt. of clay-like lime, cement and cement with a high percentage i.e. 40 per cent of aluminium oxide and 7 per cent silicic acid. There is also a binding agent liq. e.g. water. The clay-like lime is pref. marl.</p> |
申请公布号 |
NL8501785(A) |
申请公布日期 |
1987.01.16 |
申请号 |
NL19850001785 |
申请日期 |
1985.06.20 |
申请人 |
B.V. INTERNATIONALE BOOR- EN HANDELSMAATSCHAPPIJ TE SCHIJNDEL. |
发明人 |
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分类号 |
E01B27/18;(IPC1-7):E01B27/18;E01B27/14 |
主分类号 |
E01B27/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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