钢管柱自密实混凝土顶升质量研究  

Study on Jacking-up Quality of Self-compacting Concrete Filled Steel Tubular Columns

作　　者：李孝贤[1] Li Xiao-xian

机构地区：[1]北京城建集团建筑工程总承包部,北京100088

出　　处：《建筑技术开发》2019年第24期125-126,共2页Building Technology Development

摘　　要：通过对钢管柱混凝土混凝土自密实与振捣强度对比分析、标养试件强度分析、现场实体取芯样强度检测分析、混凝土实体试件含气量、气泡间距研究分析,肯定了钢管柱自密实混凝土顶升的质量,同时指出了施工过程中影响混凝土顶升质量的关键点。This paper affirms the quality of self-compacting concrete jacking of steel tubular column through comparative analysis of concrete self-compacting and vibration strength,strength analysis of standard curing blocks,strength detection and analysis of field coring samples,air content of concrete solid specimens and research and analysis of bubble spacing,and points out the construction of self-compacting concrete jacking of steel tubular column.The key points affecting the quality of concrete jacking up in the process.

关 键 词：钢管柱 自密实 混凝土 顶升 

分 类 号：TU974[建筑科学—建筑技术科学] TU973.14