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A platform for research: civil engineering, architecture and urbanism
Construction method of prestressed thin plate and laminated plate with detachable ribs
The invention relates to a construction method of a prestressed thin plate and a laminated plate with detachable ribs. The prestressed thin plate comprises a prestressed bottom plate, the detachable ribs and connecting assemblies, the detachable ribs comprise upper chords, lower steel bars and web members, and the two lower steel bars and one upper steel bar are fixed through the plurality of web members; the connecting assembly comprises a fixing plate, a fixing piece and a connecting piece, the first end of the connecting piece is anchored in the prestressed bottom plate, and the second end of the fixing piece is exposed out of the prestressed bottom plate and fixed to the fixing plate through the connecting piece; the lower steel bars are placed on the surface of the prestress bottom plate, the fixing plate stretches across the two lower steel bars, and the connecting piece is arranged between the two lower steel bars. The laminated slab comprises the prestressed thin slab and a cast-in-place layer, concrete of the cast-in-place layer is poured on the surface, away from the detachable ribs, of the prestressed bottom plate, the construction method comprises the steps that S1, the prestressed thin plate is produced; S2, the cast-in-place layer is poured; and S3, dismantling is conducted. The prestressed thin plate is large in span, small in thickness, not prone to cracking and high in transportation efficiency.
本发明为一种带可拆卸肋的预应力薄板及叠合板的施工方法，预应力薄板包括预应力底板、可拆卸肋及连接组件，可拆卸肋包括上弦杆、下部钢筋和腹杆，两根下部钢筋与一根上部钢筋通过多根腹杆固定；连接组件包括固定板、固定件和连接件，连接件的第一端锚固在预应力底板中，固定件的第二端露出预应力底板并通过连接件固定在固定板上；下部钢筋放置在预应力底板的表面，固定板横跨两根下部钢筋，连接件设置在两根下部钢筋之间。叠合板包括上述预应力薄板以及现浇层，现浇层的混凝土浇筑在预应力底板背离所述可拆卸肋的表面，施工方法包括：S1生产预应力薄板；S2浇筑现浇层；S3拆除。本发明的预应力薄板跨度大、厚度薄且不易开裂，运输效率高。
Construction method of prestressed thin plate and laminated plate with detachable ribs
The invention relates to a construction method of a prestressed thin plate and a laminated plate with detachable ribs. The prestressed thin plate comprises a prestressed bottom plate, the detachable ribs and connecting assemblies, the detachable ribs comprise upper chords, lower steel bars and web members, and the two lower steel bars and one upper steel bar are fixed through the plurality of web members; the connecting assembly comprises a fixing plate, a fixing piece and a connecting piece, the first end of the connecting piece is anchored in the prestressed bottom plate, and the second end of the fixing piece is exposed out of the prestressed bottom plate and fixed to the fixing plate through the connecting piece; the lower steel bars are placed on the surface of the prestress bottom plate, the fixing plate stretches across the two lower steel bars, and the connecting piece is arranged between the two lower steel bars. The laminated slab comprises the prestressed thin slab and a cast-in-place layer, concrete of the cast-in-place layer is poured on the surface, away from the detachable ribs, of the prestressed bottom plate, the construction method comprises the steps that S1, the prestressed thin plate is produced; S2, the cast-in-place layer is poured; and S3, dismantling is conducted. The prestressed thin plate is large in span, small in thickness, not prone to cracking and high in transportation efficiency.
本发明为一种带可拆卸肋的预应力薄板及叠合板的施工方法，预应力薄板包括预应力底板、可拆卸肋及连接组件，可拆卸肋包括上弦杆、下部钢筋和腹杆，两根下部钢筋与一根上部钢筋通过多根腹杆固定；连接组件包括固定板、固定件和连接件，连接件的第一端锚固在预应力底板中，固定件的第二端露出预应力底板并通过连接件固定在固定板上；下部钢筋放置在预应力底板的表面，固定板横跨两根下部钢筋，连接件设置在两根下部钢筋之间。叠合板包括上述预应力薄板以及现浇层，现浇层的混凝土浇筑在预应力底板背离所述可拆卸肋的表面，施工方法包括：S1生产预应力薄板；S2浇筑现浇层；S3拆除。本发明的预应力薄板跨度大、厚度薄且不易开裂，运输效率高。
Construction method of prestressed thin plate and laminated plate with detachable ribs
带可拆卸肋的预应力薄板及叠合板的施工方法
CHEN FULIANG (author) / TIAN BAOQING (author) / SHI MINGZHE (author)
2022-01-14
Patent
Electronic Resource
Chinese
IPC:
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
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