コンクリートの埋設物、埋設物付きデッキプレート

Buried substance of concrete and buried substance attached deck plate

Abstract

【課題】スラブを貫通する衝撃や振動を、縮径部(拡散反射面)を形成したボイド管の表面で拡散反射させて、他側へ通過する成分を減衰させる。 【解決手段】ボイド管17は、長さ方向で、ボイド管の外径と同程度の間隔で、縮径部19を形成し、両端をキャップ20で塞いである。ベース板1上に、上下鉄筋5、6、7にラチス鉄筋8固定してなるトラス3、3を並列設置してデッキプレート17とする。デッキプレート14のトラス3、3間のボイド配置スペース15に、ボイド管17を配置する。トラス3の下鉄筋6、7に弾性架設した受け金具30と、トラス3の上鉄筋5、5に弾性架設した押さえ金具34とで、ボイド管17の縮径部19を挟み、トラス3にボイド管17を固定して、ボイド管付きデッキプレート40を構成する。従来のデッキプレートと同様に、コンクリートを打設して、スラブ内に中空のボイド管17が埋設したスラブを形成する。 【選択図】図3
PROBLEM TO BE SOLVED: To provide a buried substance of concrete and a buried substance attached deck plate capable of damping a component passing through the other side by diffusely reflecting impact and vibration passing through a slab on the surface of a void pipe forming a contracting diameter section (diffuse reflector face). SOLUTION: The void pipe 17 forms the contracting diameter sections 19 at an interval having the same distance as that of an outside diameter of the void pipe in the longitudinal direction, and both ends are closed with a cap 20. The trusses 3 and 3 formed by fixing a lattice reinforcement 8 to vertical reinforcing bars 5, 6 and 7 are parallel arranged on a base plate 1 to make a deck plate 17. The void pipe 17 is placed in a void setting space 15 between the trusses 3 and 3 of the deck plate 14. A void pipe attached deck plate 40 is constituted by fixing the void pipe 17 to the truss 3 by holding a contracting diameter section 19 between a bracket 30 elastically constructed to the lower reinforcing bars 6 and 7 and a holding metal fitting 34 elastically constructed to the upper reinforcing bars 5 and 5 of the truss 3. As well as the conventional deck plate, concrete is placed to form the slab wherein the hollow void pipe 17 is buried. COPYRIGHT: (C)2005,JPO&NCIPI

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Cited By (7)

    Publication numberPublication dateAssigneeTitle
    CN-103883053-AJune 25, 2014浙江杭萧钢构股份有限公司Hollow floorslab of steel-bar truss floor support and construction method of floorslab
    EP-3228773-A1October 11, 2017Daniel HagmannÉlément de renfort
    JP-2007308978-ANovember 29, 2007Sumitomo Denko Steel Wire Kk, 住友電工スチールワイヤー株式会社中空スラブ形成用部材
    KR-101019587-B1March 07, 2011주식회사 티브이에스포럼중공슬래브용 경량체
    KR-101586390-B1January 19, 2016에스와이스틸텍 주식회사Deck plate strengthened
    KR-101586396-B1January 19, 2016에스와이스틸텍 주식회사누수방지 데크플레이트
    KR-101595093-B1February 17, 2016에스와이스틸텍 주식회사데크플레이트의 트러스거더 고정구조