PRECAST ARCH BOX STRUCTURE HAVING SEGMENT JOINT PART

A precast arch box structure including a horizontal restraint type segment joint is provided to prevent horizontal displacement on a joint of segments by external pressure like earth pressure, etc. A precast arch box structure(100) is divided into many segments(110,120), wherein a coherent structure...

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Bibliographische Detailangaben
Hauptverfasser: WOO, HYEUK KUN, HWANG, HOON HEE, HONG, SE KYUN, LEE, SEONG WON, KIM, YOUNG JIN, LEE, GYU PHIL
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A precast arch box structure including a horizontal restraint type segment joint is provided to prevent horizontal displacement on a joint of segments by external pressure like earth pressure, etc. A precast arch box structure(100) is divided into many segments(110,120), wherein a coherent structure of a convex portion and a concave portion is formed on a joint of the segments located adjacently to each other, and a fastening member(130) is inserted to pass through one segment not to be adhered closely to an insertion hole of one segment, and the bottom of the fastening member is fixed to the other segment to have a joint structure to restrict horizontal displacement on the joint by the fastening member and to allow rotary displacement by the interval between the fastening member and the insertion hole of one segment.