单曲面清水混凝土大直径弧形木纹屋面板施工技术

作者:辛海京 李亨通 刘宪国 崔理佳 冯建雄
单位:中建一局华江建设有限公司
摘要:以景德镇紫晶国际会议中心工程为依托,对单曲面清水混凝土大直径弧形木纹屋面板施工技术进行研究。施工屋面板时,仅支设底层模板,并设置混凝土抗滑措施,以适应屋面板小厚度、大曲率,并解决混凝土可塑性差、难以成型等问题,避免屋面板发生渗漏。屋面板拆模后观感较好,清水混凝土达到良好成型效果。
关键词:屋面板模板清水混凝土防渗安装
作者简介:辛海京,高级工程师,E-mail:460905422@qq.com。
基金: -页码-:95-98
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参考文献[1] 中国建筑科学研究院.建筑工程施工质量验收统一标准:GB50300-2013[S].北京:中国建筑工业出版社,2013.
[2] 中国建筑科学研究院.混凝土结构工程施工质量验收规范:GB 50204-2015[S].北京:中国建筑工业出版社,2015.
[3] 清水混凝土应用技术规程:JGJ 169-2009[S].北京:中国建筑工业出版社,2009.
[4] 朱同然,姬永胜,全廷发.异形双曲面清水混凝土拱形通道样板施工技术[J].施工技术,2019,48(21):32-34.
[5] 李恩平.青岛某主题广场清水混凝土模板体系设计与施工[D].青岛:青岛理工大学,2015.
[6] 邓伟勇.广东海上丝绸之路博物馆弧形拱体结构耐久性清水混凝土施工技术及质量管理研究[D].西安:西安建筑科技大学,2015.
[7] 梁远博,牟廷敏,丁庆军,等.外加剂对机制砂清水混凝土性能的影响[J].混凝土,2015(4):115-118,122.
[8] 牟廷敏,丁庆军,黄修林,等.浆体黏度对清水混凝土表观质量的影响[J].混凝土,2015(2):104-106.
Construction Technology of Single-curved As-cast-finish Concrete Large-diameter Curved Wood Grain Roof Slab
XIN Haijing LI Hengtong LIU Xianguo CUI Lijia FENG Jianxiong
(China Construction First Division Group Huajiang Construction Co.,Ltd.)
Abstract: Based on the project of Jingdezhen Zijing International Conference Center,this paper studies the construction technology of single-curved as-cast-finish concrete large-diameter curved wood grain roof slabs. In the construction of the roof slabs,only the bottom formwork was supported,and the concrete anti-sliding measures were set to adapt to the small thickness and large curvature of the roof slabs,and solve the problems of poor plasticity and difficulty in forming of concrete,so as to avoid the leakage of the roof slabs. The roof slabs have good appearance after demoulding,and as-cast-finish concrete achieves good forming effect.
Keywords: roof slabs; formwork; as-cast-finish concrete; anti-seepage; installation
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