BEAM FLOOR JUNCTION STRUCTURE

To provide a beam floor junction structure for a wooden beam and a floor slab made of cast-in-place concrete, which can be easily formed and can secure stable shear capacity in a stable state for a long period of time.SOLUTION: A beam floor junction structure includes shear force transmission means...

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Main Authors NAGASHIMA TAISUKE, TANAKA KOJI, KURODA EIICHI, SEKI MARIKO, NAKAJIMA HIROTAKA, FUKUSHIMA TAKASHI, NISHITANI SHINSUKE, MINAMIKAWA TAKAAKI, HARADA MASAAKI
Format Patent
LanguageEnglish
Japanese
Published 15.08.2022
Subjects
BUILDING
CEILINGS
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
INSULATION OR OTHER PROTECTION OF BUILDINGS
ROOFS
WALLS, e.g. PARTITIONS
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Summary:To provide a beam floor junction structure for a wooden beam and a floor slab made of cast-in-place concrete, which can be easily formed and can secure stable shear capacity in a stable state for a long period of time.SOLUTION: A beam floor junction structure includes shear force transmission means 13 that is provided at a junction between a wooden beam 11 and a concrete floor slab 12 to transmit force in a shearing direction along the junction. The shear force transmission means 13 is formed by integrating: a lattice-like face material 16 for construction formed by making a lower stage band plate layer 14 that is fixed on an upper surface of the wooden beam 11 and is made of a plurality of elongate band-like plate materials 14a arranged in parallel and an upper stage band plate layer 15 made of a plurality of elongate band-like plate materials 15a arranged in parallel cross obliquely and overlap in a lattice shape; and a concrete component that at the time of installing cast-in-place concrete, has solidified after entering interval portions 14b of the plurality of band-like plate materials 14a of the lower stage band plate layer 14 and interval portions 15b of the plurality of band-like plate materials 15a of the upper stage band plate layer 15 in a continuous state.SELECTED DRAWING: Figure 1 【課題】簡易に形成できると共に、長期間に亘って安定した状態でせん断耐力を確保できる木製梁と現場打ちコンクリートによる床スラブとの梁床接合構造を提供する。【解決手段】木製梁１１とコンクリート製床スラブ１２との接合部に設けられて、接合部に沿ったせん断方向の力を伝達させるせん断力伝達手段１３を有している。せん断力伝達手段１３は、木製梁１１の上面に固定された、平行に配置された複数の細長い帯状板材１４ａによる下段帯板層１４と、平行に配置された複数の細長い帯状板材１５ａによる上段帯板層１５とを、斜めに交差させて格子状に重ね合わせて形成された建築用格子状面材１６と、現場打ちコンクリートの打設時に、下段帯板層１４の複数の帯状板材１４ａの間隔部分１４ｂ及び上段帯板層１５の複数の帯状板材１５ａの間隔部分１５ｂに連続する状態で入り込んで固化したコンクリート分とが、一体となって形成されている。【選択図】図１
Bibliography:Application Number: JP20210014935