A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Large-span stiff beam support-free integrated formwork and construction method
The invention discloses a large-span stiff beam support-free integrated formwork and a construction method. A stiff beam comprises an I-shaped steel beam, a reinforcement cage and a cast-in-place concrete layer wrapping the I-shaped steel beam and the reinforcement cage. The support-free integrated formwork comprises a formwork part and a temporary support. Wherein the template part comprises a template, a U-shaped fastener, a fastening bolt and a reinforcing steel purlin. Formworks are arranged on the two side faces of a web of the I-shaped steel beam and the bottom face of a lower flange, U-shaped fasteners are further arranged on the peripheries of the formworks, and reinforcing steel purlins are arranged between the formworks and the U-shaped fasteners. And the I-shaped steel beams are fixedly connected with the templates, the reinforcing steel purlins and the U-shaped fasteners through fastening bolts. The temporary support comprises a latticed column, an adjustable jacking and a supporting top plate. The supporting top plate is welded to the lower flange of the I-shaped steel beam, the adjustable jacking is arranged between the supporting top plate and the latticed column, and the height of the jacking is adjusted through the adjustable jacking. The characteristic that the steel beam can bear most of construction loads is fully utilized, formwork supporting frame erecting in the large-span stiff beam construction process is avoided, and construction is more convenient and safer.
本发明公开一种大跨度劲性梁免支撑一体化模板及施工方法，劲性梁包括工字型钢梁和钢筋笼，以及包覆所述工字型钢梁和钢筋笼的现浇混凝土层。免支撑一体化模板包括模板部分和临时支撑。其中，模板部分包括模板、U型紧固件、紧固螺栓、和加固钢檩。在工字型钢梁腹板的两侧面和下翼缘的底面设置模板，模板的外围还设置有U型紧固件，加固钢檩设置模板与U型紧固件之间。工字型钢梁与模板、加固钢檩、U型紧固件之间通过紧固螺栓固定连接。临时支撑包括格构柱、可调顶托和支撑顶板。支撑顶板焊接在工字型钢梁的下翼缘上，支撑顶板与格构柱之间设置有可调顶托，通过可调顶托调节顶托高度。本发明充分利用钢梁本身能承受绝大部分施工荷载的特性，避免了大跨度劲性梁施工过程中的模板支撑架搭设，使得施工更便捷安全。
Large-span stiff beam support-free integrated formwork and construction method
The invention discloses a large-span stiff beam support-free integrated formwork and a construction method. A stiff beam comprises an I-shaped steel beam, a reinforcement cage and a cast-in-place concrete layer wrapping the I-shaped steel beam and the reinforcement cage. The support-free integrated formwork comprises a formwork part and a temporary support. Wherein the template part comprises a template, a U-shaped fastener, a fastening bolt and a reinforcing steel purlin. Formworks are arranged on the two side faces of a web of the I-shaped steel beam and the bottom face of a lower flange, U-shaped fasteners are further arranged on the peripheries of the formworks, and reinforcing steel purlins are arranged between the formworks and the U-shaped fasteners. And the I-shaped steel beams are fixedly connected with the templates, the reinforcing steel purlins and the U-shaped fasteners through fastening bolts. The temporary support comprises a latticed column, an adjustable jacking and a supporting top plate. The supporting top plate is welded to the lower flange of the I-shaped steel beam, the adjustable jacking is arranged between the supporting top plate and the latticed column, and the height of the jacking is adjusted through the adjustable jacking. The characteristic that the steel beam can bear most of construction loads is fully utilized, formwork supporting frame erecting in the large-span stiff beam construction process is avoided, and construction is more convenient and safer.
本发明公开一种大跨度劲性梁免支撑一体化模板及施工方法，劲性梁包括工字型钢梁和钢筋笼，以及包覆所述工字型钢梁和钢筋笼的现浇混凝土层。免支撑一体化模板包括模板部分和临时支撑。其中，模板部分包括模板、U型紧固件、紧固螺栓、和加固钢檩。在工字型钢梁腹板的两侧面和下翼缘的底面设置模板，模板的外围还设置有U型紧固件，加固钢檩设置模板与U型紧固件之间。工字型钢梁与模板、加固钢檩、U型紧固件之间通过紧固螺栓固定连接。临时支撑包括格构柱、可调顶托和支撑顶板。支撑顶板焊接在工字型钢梁的下翼缘上，支撑顶板与格构柱之间设置有可调顶托，通过可调顶托调节顶托高度。本发明充分利用钢梁本身能承受绝大部分施工荷载的特性，避免了大跨度劲性梁施工过程中的模板支撑架搭设，使得施工更便捷安全。
Large-span stiff beam support-free integrated formwork and construction method
一种大跨度劲性梁免支撑一体化模板及施工方法
ZHAO WENCHAO (author) / DING YONG (author) / ZHANG XIN (author) / HE YUFENG (author) / JIANG XIANGTING (author) / NIE ZHIQI (author)
2024-06-18
Patent
Electronic Resource
Chinese
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