发明名称 PRESTRESSED CONCRETE SLEEPER AND METHOD FOR TRANSPORTING AND INSTALLING A SWITCH HAVING PRESTRESSED CONCRETE SLEEPERS
摘要 <p>The invention relates to a prestressed concrete sleeper, having at least two sleeper sections that can be coupled or are coupled rigidly by a connection device embedded in the sleeper heads, wherein the sleeper sections each comprise a concrete in the region adjacent to the connection device which has a higher rigidity than the concrete in the other regions.</p>
申请公布号 CA2775026(A1) 申请公布日期 2011.04.21
申请号 CA20102775026 申请日期 2010.10.12
申请人 DB NETZ AG;RAIL.ONE GMBH 发明人 SCHIMPFF, FRITHJOF;MUELLER, HANS-DIETER
分类号 E01B3/34;E01B7/22 主分类号 E01B3/34
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