A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Round concrete column transverse prestress reinforcing structure and reinforcing method
The invention relates to a transverse prestress reinforcing structure of a circular concrete column. The transverse prestress reinforcing structure comprises the circular concrete column (1) and a shape memory alloy plate (2), the shape memory alloy plate (2) wraps a cracked area or an area with cracking risk on the surface of the circular concrete column (1) after being bent, and the two ends of the shape memory alloy plate (2) are anchored. Compared with the prior art, the shape memory alloy wide plate tensioned in advance completely wraps the area, needing to be reinforced, of the circular concrete column, transverse pressure stress can be generated at the cracking position after the shape memory alloy is activated, the stress amplitude of the cracking position of the structure is reduced, and then generation and expansion of cracks are restrained; no complex construction equipment is needed in the construction process, and the adaptability to the curved surface is excellent.
本发明涉及一种圆形混凝土柱横向预应力加固构造，包括圆形混凝土柱(1)和形状记忆合金板(2)；所述的形状记忆合金板(2)弯曲后包裹住圆形混凝土柱(1)表面已开裂或具有开裂风险的区域，形状记忆合金板(2)两端锚固。与现有技术相比，本发明将预先张拉过的形状记忆合金宽板绕圆形混凝土柱需要加固的区域完全包裹住，激活形状记忆合金后可在开裂部位产生横向压应力，降低结构开裂部位的应力幅，进而抑制裂缝的萌生与扩展，施工过程中无需复杂的施工设备，且对曲面表面的适应性优秀。
Round concrete column transverse prestress reinforcing structure and reinforcing method
The invention relates to a transverse prestress reinforcing structure of a circular concrete column. The transverse prestress reinforcing structure comprises the circular concrete column (1) and a shape memory alloy plate (2), the shape memory alloy plate (2) wraps a cracked area or an area with cracking risk on the surface of the circular concrete column (1) after being bent, and the two ends of the shape memory alloy plate (2) are anchored. Compared with the prior art, the shape memory alloy wide plate tensioned in advance completely wraps the area, needing to be reinforced, of the circular concrete column, transverse pressure stress can be generated at the cracking position after the shape memory alloy is activated, the stress amplitude of the cracking position of the structure is reduced, and then generation and expansion of cracks are restrained; no complex construction equipment is needed in the construction process, and the adaptability to the curved surface is excellent.
本发明涉及一种圆形混凝土柱横向预应力加固构造，包括圆形混凝土柱(1)和形状记忆合金板(2)；所述的形状记忆合金板(2)弯曲后包裹住圆形混凝土柱(1)表面已开裂或具有开裂风险的区域，形状记忆合金板(2)两端锚固。与现有技术相比，本发明将预先张拉过的形状记忆合金宽板绕圆形混凝土柱需要加固的区域完全包裹住，激活形状记忆合金后可在开裂部位产生横向压应力，降低结构开裂部位的应力幅，进而抑制裂缝的萌生与扩展，施工过程中无需复杂的施工设备，且对曲面表面的适应性优秀。
Round concrete column transverse prestress reinforcing structure and reinforcing method
一种圆形混凝土柱横向预应力加固构造及加固方法
KANG UK (author) / QIANG XUHONG (author) / ZHOU MUKAI (author)
2022-08-16
Patent
Electronic Resource
Chinese
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