发明名称 ULTRA HIGH PERFORMANCE CONCRETE CAP FOR MANHOLE
摘要 PURPOSE: A high performance concrete manhole cover is provided to reduce noise compared with a steel manhole cover and to remarkably improve durability by preventing corrosion. CONSTITUTION: A high performance concrete manhole cover(1) comprises a lower shape member(3) and a Ultra High Performance Concrete plate member(2). The lower shape member is formed in a disk shape and is filled with UHPC. The lower shape member is composed of a vertical part(31) and a bottom part(32). The vertical part is formed in the edge of the lower shape member. The bottom part is formed in the inner side of the vertical part. The UHPC plate member is integrally formed inside the lower shape member and is filled with UHPC.
申请公布号 KR20110052282(A) 申请公布日期 2011.05.18
申请号 KR20090109254 申请日期 2009.11.12
申请人 KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGY 发明人 JOH, CHANG BIN;KWARK, JONG WON;KIM, SUNG WOOK
分类号 E02D29/14 主分类号 E02D29/14
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