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A platform for research: civil engineering, architecture and urbanism
Large-span prestressed profile steel-concrete composite structure and construction method thereof
The invention discloses a large-span prestressed profile steel-concrete composite structure and a construction method thereof.The profile steel-concrete composite structure is adopted for frame columns and beams of the large-span structure, the frame columns are cross-shaped steel reinforced concrete columns, and peripheral frame edge sealing beams are box-shaped profile steel concrete beams; the middle large-span structural beam is a large-span variable-cross-section prestressed profile steel-concrete composite structural beam, and construction is carried out by adopting a bonded post-tensioning method prestress technology; the tensioning end and the anchoring end are both in an embedded mode, and through profile steel structure trepanning deepening, beam column joint core area outer tensioning end haunching, steel bar positioning and passing rate design, prestress inflection point design and fixing and the like, the quality and safety of the prestress profile steel-concrete composite structure can be guaranteed, the construction efficiency can be improved, and the cost is reduced.
本发明公开了一种大跨度预应力型钢‑混凝土组合结构及其施工方法，大跨度结构框架柱和梁均采用型钢‑混凝土组合结构，框架柱为十字钢骨混凝土柱，四周框架封边梁为箱形型钢混凝土梁，中间大跨度结构梁为大跨度变截面预应力型钢‑混凝土组合结构梁，采用有粘结后张法预应力技术进行施工；张拉端及锚固端均采用嵌入式，通过型钢结构开孔深化、梁柱节点核心区外张拉端加腋、钢筋定位及通过率设计、预应力反弯点设计及固定等，既能保证预应力型钢‑混凝土组合结构的质量和安全，又能提高施工效率，降低发明成本。
Large-span prestressed profile steel-concrete composite structure and construction method thereof
The invention discloses a large-span prestressed profile steel-concrete composite structure and a construction method thereof.The profile steel-concrete composite structure is adopted for frame columns and beams of the large-span structure, the frame columns are cross-shaped steel reinforced concrete columns, and peripheral frame edge sealing beams are box-shaped profile steel concrete beams; the middle large-span structural beam is a large-span variable-cross-section prestressed profile steel-concrete composite structural beam, and construction is carried out by adopting a bonded post-tensioning method prestress technology; the tensioning end and the anchoring end are both in an embedded mode, and through profile steel structure trepanning deepening, beam column joint core area outer tensioning end haunching, steel bar positioning and passing rate design, prestress inflection point design and fixing and the like, the quality and safety of the prestress profile steel-concrete composite structure can be guaranteed, the construction efficiency can be improved, and the cost is reduced.
本发明公开了一种大跨度预应力型钢‑混凝土组合结构及其施工方法，大跨度结构框架柱和梁均采用型钢‑混凝土组合结构，框架柱为十字钢骨混凝土柱，四周框架封边梁为箱形型钢混凝土梁，中间大跨度结构梁为大跨度变截面预应力型钢‑混凝土组合结构梁，采用有粘结后张法预应力技术进行施工；张拉端及锚固端均采用嵌入式，通过型钢结构开孔深化、梁柱节点核心区外张拉端加腋、钢筋定位及通过率设计、预应力反弯点设计及固定等，既能保证预应力型钢‑混凝土组合结构的质量和安全，又能提高施工效率，降低发明成本。
Large-span prestressed profile steel-concrete composite structure and construction method thereof
一种大跨度预应力型钢-混凝土组合结构及其施工方法
ZHAO QIN (author) / ZHANG YOUZHEN (author) / DUAN JINSONG (author) / JIAO HANZHI (author) / YANG XIANGGUO (author) / XU ZHANQI (author) / ZHANG PENG (author) / SUN ZHENGYANG (author) / LI XIAONAN (author) / LI XUGUANG (author)
2023-10-10
Patent
Electronic Resource
Chinese
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