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摘要: 研制异型桩是降低负摩阻力的重要措施之一,对目前能降低负摩阻力的异型桩的种类和特征进行了系统分析与总结,并介绍了作者已授权的一项国家发明专利——一种端部螺纹X形变截面预制管桩及其施工方法。通过FLAC3D软件分别模拟了圆形等截面桩和锥形异型桩在相同地面堆载的情况下桩身轴力的分布情况,结果表明锥形纵截面的设置可以有效降低负摩阻力的影响。阐述了端部螺纹X形变截面预制管桩能更显著降低负摩阻力的机制,研究成果可为端部螺纹X形变截面预制管桩的设计和推广应用提供一定的理论基础。Abstract: Development of special-shaped pile is one of the important measures to reduce the negative friction, the types and characteristics of the current special-shaped pile reducing the negative friction were analyzed and summarized, and the authors introduced a state authorized invention patent——The thread at the end of the X shaped precast pipe pile and its construction method. Distribution of circular section pile and tapered special-shaped pile on the same surface load under the condition of axial force of pile were simulated respectively by FLAC3D software. Results show that the effect of longitudinal section of tapered settings can effectively reduce the negative friction. The mechanism of the thread at the end of the X shaped precast pipe pile which can significantly reduce the negative friction was elaborated. The theoretical foundation for design and application of research results for the thread at the end of the X shaped precast pipe piles was provided.
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5. 冯绪兴,倪小明,郝少伟,谭学斌,吴垚垒. 常村煤矿煤层气井产水/产气曲线类型及其成因分析. 中国矿业. 2021(01): 106-113 . 百度学术
6. 缪欢,王延斌,韩文龙,吴翔,赵石虎,李建红. 基于钻井液污染的煤储层类型划分及其开发特征. 中国矿业. 2021(06): 214-220 . 百度学术
7. 马东民,伋雨松,陈跃,郑超,滕金祥,马卓远,肖嘉隆. 基于煤层气井排采数据的储层含气量动态反演研究. 煤田地质与勘探. 2021(06): 67-73 . 本站查看
8. 刘江,桑树勋,周效志,毕彩琴,金军,单衍胜. 六盘水地区煤层气井合层排采实践与认识. 煤田地质与勘探. 2020(03): 93-99 . 本站查看
9. 韩文龙,王延斌,倪小明,李勇,陶传奇,刘振明,吴翔. 正断层发育特征对煤层气直井开发的影响——以沁水盆地南部柿庄南区块为例. 煤炭学报. 2020(10): 3522-3532 . 百度学术
10. 张荣荣,申芳. 煤层气井修井作业后排采制度探索. 陕西煤炭. 2019(06): 74-78+98 . 百度学术
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