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首先对欧美等国外有关后锚固结构的设计规程进行了介绍,并简单介绍我国现有的关于后锚固设计的两部标准《混凝土结构加固设计规范》(GB50367-2013)及《混凝土结构后锚固技术规程》(JGJ145-2013)的编制依据和背景。对两部标准中有关植筋的计算,机械锚栓、化学锚栓的计算方法进行作重点对比分析,并结合植筋锚固长度、锚栓钢材承载力、基材承载力计算实例,对两部标准的应用方法、计算步骤和计算结果做了比较分析,为使用两部标准进行后锚固设计提供参考。
First of all, the design rules of post-mortem structures in Europe and the United States were introduced. The two existing standards of Design for Reinforcement of Concrete Structures (GB50367-2013) and the Post-Concrete Technology of Post-anchorage Regulations "(JGJ145-2013) based on the preparation and background. Comparing the calculation of planting bar, mechanical anchor bolt and chemical anchor bolt in the two standards, and combining with the anchorage length of anchorage bar, the bearing capacity of anchorage bolt steel and the bearing capacity of substrate, Standard application method, calculation procedure and calculation result are compared and analyzed, which provides references for the design of post-anchorage using two standards.