云南麻栗坝城子渡槽结构设计与基础处理研究 |
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引用本文: | 张宝琼.云南麻栗坝城子渡槽结构设计与基础处理研究[J].人民长江,2016,47(10):57-61. |
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作者姓名: | 张宝琼 |
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作者单位: | 云南省水利水电勘测设计研究院,云南昆明,650021 |
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摘 要: | 云南麻栗坝城子渡槽虽然设计过流量小,但槽身长,工程地质条件复杂,易产生不均匀沉降问题。结合城子渡槽的工程地质条件和建筑物特点,对槽身的结构型式及渡槽的断面型式进行了比选,在此基础上提出了渡槽结构与基础处理设计方案。桩基试验与工程实践表明,城子渡槽采用的梁式U型结构型式、钻孔钢筋混凝土灌注桩基础方案以及跨河段采用的三连拱结构、重力墩基础方案合理可靠。
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关 键 词: | 结构设计 U型断面 钻孔灌注桩 城子渡槽 麻栗坝 云南省 |
Study on structural design and foundation treatment of Chengzi aqueduct in Maliba area |
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Abstract: | The design of Chengzi aqueduct is characterized as small flow and long aqueduct body and the problem of uneven settlement exists due to the complex engineering -geologic conditions .In combination with the engineering -geologic conditions and features of the structure , structural form of the aqueduct body and cross section forms were compared and selected , and the design of aqueduct structure and foundation treatment were studied on this basis .The pile foundation tests and engineering prac-tice indicate that it is reasonable , feasible, safe and reliable to adopting the U -shaped beam structure and reinforced concrete with filling pile foundation for the aqueduct , and 3-arched structure and gravity pier foundation scheme for the cross -river sec-tion. |
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Keywords: | aqueduct structural design U-shaped cross section filling pile |
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