2014年2月上 施工技术 第43卷第3期 CONSTRUCTION TECHNOLOGY 27 D0I:10.7672/sgjs2014030027 预应力框架梁柱核心区张拉端节点调整施工技术 曹计栓，邢健民 (中建一局集团第三建筑有限公司，北京100073) [摘要]北京市某公共建筑的框架结构屋面梁截面为800mm×1600mm 跨度为19760mm 采用后张法有黏结预应 力技术.介绍了施工工艺流程、张拉材料、预应力波纹管施工、波纹管穿预应力梁张拉端节点调整、预应力张拉端 梁柱核心区混凝土浇筑等关键技术.经过在实际施工中对张拉端节点提出建议及调整，最终经深化设计单位及原 设计单位核定，既满足了施工方便又达到了设计要求. [关键词]混凝土；预应力；梁柱核心区；节点；波纹管 [中图分类号]TU378.4 [文献标识码]A [文章编号]1002-8498(2014)03-0027-03 Construction Technology of Tension End Nodes Adjustment of Prestressed Frame Beam-column Core Area Cao Jishuan Xing Jianmin The Third Construction Co.Itd.of China Construction First Group Beijing 100073 China) Abstract:Based on a frame structure of some public building in Beijing the roof beam section is 800mm x 1 600mm the span is 19 760mm.The bonded post-tensioned prestressed technology is adopted for the beam.This paper introduces construction process tension materials prestressed bellows construction adjustment of prestressed end nodes of bellows crossing beam as well as the concrete pouring of the beam-column core area of the prestressed end.By taking suggestions and adjustments on the tensioned end nodes the structure can meet the requirements of convenience of construction and design after the approving of final detailed design units and original design units. Key words:concrete;prestressing;beam-column core area;joints;bellows 随着现代建筑业的迅速发展，预应力施工技术建筑面积2182m2 地下3层，空间结构设计为框架 日益成熟，当结构跨度较大时，为了有效地避免或剪力墙体系，安全等级为二级，建筑抗震设防烈度 限制试用阶段的开展，提高结构的刚度，减小大跨 为8度，混凝土强度等级为C40P6.本配套公建1 度构件的变形，在公共建筑大跨...
预应力框架梁柱核心区张拉端节点调整施工技术.pdf
