To provide a concrete block used for the construction of a rail foundation for a gantry crane.SOLUTION: A concrete block 10 having a groove 33 having a substantially U-shaped cross section, which serves as both a groove for installing a traveling rail and a drainage groove is provided. A plurality of embedded metal fittings 50 for fixing the holding metal fittings of the traveling rail may be embedded in a bottom surface 34 of the groove. The concrete block may have foundation portions 25 including parts of side walls 24 on both sides of the groove 33 that project outward below the outer surface.SELECTED DRAWING: Figure 2

    【課題】門型クレーンのレール基礎の施工に用いられるコンクリートブロックを提供する。【解決手段】走行レール設置用の溝と、排水用の溝とを兼ねた、断面が略U字型の溝33が形成されたコンクリートブロック10を提供する。溝の底面34に、走行レールの押さえ金具を固定するための複数の埋設金具50が埋設されていてもよい。溝33の両側の側壁24の、外側の面の下方で外側に張り出した部分を含む基礎部25を有してもよい。【選択図】図2


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    Title :

    DRAINAGE GROOVE SERVING AS RAIL FOUNDATION AND CONCRETE BLOCK


    Additional title:

    レール基礎を兼ねた排水溝およびコンクリートブロック


    Contributors:
    OIKE HIDEMI (author) / OIKE ETSUJI (author)

    Publication date :

    2021-08-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E02D FOUNDATIONS , Gründungen / B66C Krane , CRANES / E01B PERMANENT WAY , Gleisoberbau / E01H STREET CLEANING , Reinigen von Straßen



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