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混凝土倒模法施工技术
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作者 吴庆林 《水科学与工程技术》 2010年第6期81-82,共2页
某水库正常溢洪道重建工程要求汛前完成混凝土堰面施工,由于工期紧迫,必须采取适宜的施工方法才能满足要求。施工时通过对滑模法、人工抹面法、倒模法3种堰面混凝土施工方案进行比选,最后确定采用倒模法。采用倒模法浇筑堰面,能够保证... 某水库正常溢洪道重建工程要求汛前完成混凝土堰面施工,由于工期紧迫,必须采取适宜的施工方法才能满足要求。施工时通过对滑模法、人工抹面法、倒模法3种堰面混凝土施工方案进行比选,最后确定采用倒模法。采用倒模法浇筑堰面,能够保证堰面的表面平滑,混凝土内部密实度,同时加快了施工速度,保证了工期。 展开更多
关键词 堰面混凝土 倒模法 标筋 正常溢洪道
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室内大面积铺贴白麻石施工技术及过程控制
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作者 熊顺生 《中小企业管理与科技》 2016年第13期61-63,共3页
广州某生产科研综合基地生产办公楼一楼展示前厅地面约3000平方米,设计使用山东白麻花岗岩铺贴。为解决石材水渍、泛碱、锈斑、大面积铺贴整体平整度、因面积大和热胀冷缩造成石材变形松脱的难题,我们采取对石材进行六面防护处理、做&qu... 广州某生产科研综合基地生产办公楼一楼展示前厅地面约3000平方米,设计使用山东白麻花岗岩铺贴。为解决石材水渍、泛碱、锈斑、大面积铺贴整体平整度、因面积大和热胀冷缩造成石材变形松脱的难题,我们采取对石材进行六面防护处理、做"硬底"基层、基层设置变形缝、用高分子聚合物瓷砖胶作为粘结层、"井"字标筋铺贴、加强过程控制等方法加以解决,效果良好。 展开更多
关键词 石材防护 瓷砖胶粘结层 变形缝 “井”字标筋铺贴 过程控制
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Performance-based passive control analysis of adjacent structures:Optimization of Maxwell dampers 被引量:2
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作者 吴巧云 代健州 朱宏平 《Journal of Central South University》 SCIE EI CAS CSCD 2017年第9期2180-2197,共18页
The performance-based passive control analysis of the Maxwell dampers between one 10-story and one 6-story adjacent RC frames is conducted in this work.Not only the optimal parameters but also the optimal arrangements... The performance-based passive control analysis of the Maxwell dampers between one 10-story and one 6-story adjacent RC frames is conducted in this work.Not only the optimal parameters but also the optimal arrangements of the Maxwell dampers are proposed based on the optimal target of making the total exceeding probability of the adjacent structures to be minimal.The applicability of the analytical expressions of the Maxwell damper damping parameters under different seismic performance targets are firstly examined and then the preferable damping parameters of the Maxwell dampers are proposed through the extensive parametric studies.Furthermore,the optimal arranging positions and optimal arranging numbers of the Maxwell dampers between the adjacent buildings are derived based on a large number of seismic fragility analyses,as well.The general arranging laws of the Maxwell dampers between the adjacent buildings are generated based on the discussion of the theoretical method through the simplified plane model.The optimal parameters and optimal arrangement of the Maxwell dampers presented make both the adjacent structures have preferable controlled effects under each seismic performance target which can satisfy the requirements of multi-performance seismic resistance of the modern seismic codes. 展开更多
关键词 adjacent structures passive control seismic fragility analysis optimal parameters optimal arrangement exceeding probability
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