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复杂环境下超大直径人工挖孔嵌岩桩施工关键技术
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作者 陈维德 来交交 +2 位作者 贺茂军 曲渊 李营 《工程质量》 2016年第4期63-67,共5页
以平安金融中心超大直径人工挖孔嵌岩桩施工为例,重点介绍超大直径人工挖孔嵌岩桩施工重难点及对周边复杂环境的控制措施,该研究成果成功应用于平安金融中心工程,为后续同类工程提供参考与借鉴。
关键词 复杂环境 超大直径 人孔 嵌岩
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关于桩基工程质量监理的几点看法 被引量:1
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作者 毛潭 《江西冶金》 2006年第2期44-46,共3页
桩基工程质量直接关系到建筑结构的可靠性。笔者根据多年的实践经验和掌握的理论知识,以及与业内人士的交流,介绍了实际工作中常遇到的人孔桩及钻孔灌注桩的质量监理的几点看法。
关键词 人孔桩 灌注 质量监理
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Study of pile shaft resistance in clayey soils 被引量:2
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作者 石名磊 邓学钧 张波 《Journal of Southeast University(English Edition)》 EI CAS 2004年第4期498-502,共5页
Based on principal component analysis, the rules of clayey soil's behaviors affected by varied indices were studied. It was discovered that the common method of the single liquidity index IL used to determine the ... Based on principal component analysis, the rules of clayey soil's behaviors affected by varied indices were studied. It was discovered that the common method of the single liquidity index IL used to determine the consistency of silt-clay or silt-loam was not rational. It was more rational that the liquidity index IL combined with the void ratio e characterized the behavior of silt-clay. Similarly the index of e depicted the nature of sandy loam more rationally than IL. The method of predicting the pile shafted resistance by the two indices of e and IL, which was more accurate, was obtained by the methodology of back propagation (BP) artificial neural networks combined with principal component analysis. It was also observed that the pile shaft resistance increased with the increase of depth within a critical affect-depth ranging from 20 to 30 m, and the harder the clayey soil consistency was, the shallower the critical depth was. 展开更多
关键词 Artificial intelligence Backpropagation Correlation methods Mathematical models Principal component analysis
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