Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Super-long structure post-tensioning bonded prestressed beam and slab integrated construction method
The invention relates to the technical field of building structure methods, in particular to a super-long structure post-tensioning bonded prestressed beam-slab integrated construction method which comprises the following steps: step 1, arranging circular galvanized metal corrugated pipe reserved hole channels in a large-span beam and a frame beam in a parabola form at the same time, flat galvanized metal corrugated pipe reserved hole channels are arranged in the floor slab in a linear or natural curve mode, prestressed tendons are manufactured and penetrate into the hole channels, and then concrete is poured and maintained together. The post-tensioning bonded prestressed beam-slab integrated construction method for the super-long structure solves the problems that the super-long structure is prone to being affected by factors such as temperature, expansion, shrinkage, creep and differential settlement due to the fact that the peripheral restraining effect is high, concrete cracking occurs, and the structure has the water seepage phenomenon; and due to improper construction or use of large-span, large-bay and large-cantilever concrete beams and slabs, the deflection is too large and exceeds a standard limit value, so that the use safety and quality problems of buildings are caused.
本发明涉及建筑结构方法技术领域，具体为超长结构后张法有粘结预应力梁板一体化施工方法，包括如下步骤：步骤一，同时在大跨梁、框架梁内抛物线形式布置圆形镀锌金属波纹管预留孔道，和在楼板内直线或自然曲线形式布置扁形镀锌金属波纹管预留孔道，制作预应力筋并将其穿入孔道，然后一起浇筑混凝土并进行养护。该超长结构后张法有粘结预应力梁板一体化施工方法解决了超长结构因周边约束作用较强，易受温度、膨胀、收缩、徐变和不均匀沉降等因素影响，导致混凝土开裂，结构出现渗水现象，以及大跨度、大开间、大悬挑混凝土梁板由于施工或使用不当，导致挠度过大，超过规范限值，进而引发建筑物出现使用安全和质量的问题。
Super-long structure post-tensioning bonded prestressed beam and slab integrated construction method
The invention relates to the technical field of building structure methods, in particular to a super-long structure post-tensioning bonded prestressed beam-slab integrated construction method which comprises the following steps: step 1, arranging circular galvanized metal corrugated pipe reserved hole channels in a large-span beam and a frame beam in a parabola form at the same time, flat galvanized metal corrugated pipe reserved hole channels are arranged in the floor slab in a linear or natural curve mode, prestressed tendons are manufactured and penetrate into the hole channels, and then concrete is poured and maintained together. The post-tensioning bonded prestressed beam-slab integrated construction method for the super-long structure solves the problems that the super-long structure is prone to being affected by factors such as temperature, expansion, shrinkage, creep and differential settlement due to the fact that the peripheral restraining effect is high, concrete cracking occurs, and the structure has the water seepage phenomenon; and due to improper construction or use of large-span, large-bay and large-cantilever concrete beams and slabs, the deflection is too large and exceeds a standard limit value, so that the use safety and quality problems of buildings are caused.
本发明涉及建筑结构方法技术领域，具体为超长结构后张法有粘结预应力梁板一体化施工方法，包括如下步骤：步骤一，同时在大跨梁、框架梁内抛物线形式布置圆形镀锌金属波纹管预留孔道，和在楼板内直线或自然曲线形式布置扁形镀锌金属波纹管预留孔道，制作预应力筋并将其穿入孔道，然后一起浇筑混凝土并进行养护。该超长结构后张法有粘结预应力梁板一体化施工方法解决了超长结构因周边约束作用较强，易受温度、膨胀、收缩、徐变和不均匀沉降等因素影响，导致混凝土开裂，结构出现渗水现象，以及大跨度、大开间、大悬挑混凝土梁板由于施工或使用不当，导致挠度过大，超过规范限值，进而引发建筑物出现使用安全和质量的问题。
Super-long structure post-tensioning bonded prestressed beam and slab integrated construction method
超长结构后张法有粘结预应力梁板一体化施工方法
FENG PING (Autor:in) / DU LIANG (Autor:in) / WU XIAOBING (Autor:in) / DAI WEIWEI (Autor:in) / YANG WEI (Autor:in)
19.04.2024
Patent
Elektronische Ressource
Chinesisch
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