CONSTRUCTION METHOD FOR CABLE TROUGH BRIDGE AND LAID MEMBER FOR CABLE TROUGH BRIDGE

PROBLEM TO BE SOLVED: To provide a construction method for a cable trough bridge that does not require manual excavation of an abutment foundation part and an under-bracing block part, treats easily surplus excavated soil, is extremely lighter in weight, and can transport a cable trough to a top of...

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Hauptverfasser: MATSUBAYASHI KATSUNORI, OBA TSUTOMU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a construction method for a cable trough bridge that does not require manual excavation of an abutment foundation part and an under-bracing block part, treats easily surplus excavated soil, is extremely lighter in weight, and can transport a cable trough to a top of a slope face serving as a place for the trough to be laid on and lay the cable trough at an extremely low cost, and a laid member for a cable trough bridge.SOLUTION: In the construction method for a cable trough bridge, a pair of support piles are driven into a cable trough bridge construction place at predetermined intervals between the support piles, a holding beetle having a pair of ring-shaped support pile fitting links on both ends thereof is installed between the support piles, from upper end sides of the driven support piles, by inserting the support pile fitting links through the support piles, cable trough fasteners, which are extensible/contractable and adjustable in a width direction of the cable trough bridge, are installed on the holding beetles, and a cable trough is laid between the installed cable trough fasteners. 【目的】本発明は、橋台基礎部や根枷ブロック部の人力による掘削を必要とせず、掘削した残土の処理に困ることがなく、重量がきわめて軽量であり、ケーブルトラフを敷設する箇所となる法面法肩までの運搬が容易であり、ケーブルトラフの敷設コストがきわめて安価になしうるケーブルトラフ橋の施工方法及びケーブルトラフ橋の敷設部材を提供することを目的とする。【構成】本発明は、一対の支持杭につき、支持杭間の間隔を定めてケーブルトラフ橋施工箇所に打ち込み、打ち込んだ支持杭の上端側からは、両端に一対のリング状支持杭嵌め込み輪を有する保持杆を、支持杭嵌め込み輪を支持杭に挿通させて、支持杭間に取り付け、保持杆上にケーブルトラフ橋の幅方向に伸縮調整可能とされたケーブルトラフ固定具を取り付け、 取り付けられたケーブルトラフ固定具間にケーブルトラフを敷設することを特徴とする。【選択図】 図1