狭窄河谷高面板堆石坝变形控制与结构安全

doi:10.3880/j.issn.1006-7647.2022.04.012

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狭窄河谷高面板堆石坝变形控制与结构安全

DOI:

10.3880/j.issn.1006-7647.2022.04.012

作者:

王建军 ^¹
王建军
宁夏六盘山水务有限公司,宁夏固原756000
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李卓 ^{^2,3}
李卓
南京水利科学研究院大坝安全与管理研究所,江苏南京210029;水利部大坝安全管理中心,江苏南京210029
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方艺翔 ^²
方艺翔
南京水利科学研究院大坝安全与管理研究所,江苏南京210029
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毕朝达 ^{^2,3}
毕朝达
南京水利科学研究院大坝安全与管理研究所,江苏南京210029;水利部大坝安全管理中心,江苏南京210029
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作者单位:

(1.宁夏六盘山水务有限公司,宁夏固原756000;2. 南京水利科学研究院大坝安全与管理研究所,江苏南京210029;3.水利部大坝安全管理中心,江苏南京210029)

作者简介:

王建军(1973—),高级工程师,主要从事水利工程运行管理研究。E-mail:2474183334@qq.com

通讯作者:

中图分类号:

TU45

基金项目:

国家自然科学基金面上项目(51979173)

Deformation control and structure safety of high concrete faced rockfill dams in a narrow valley

Author:

WANG Jianjun ^¹
WANG Jianjun
Ningxia Liupanshan Water Industry Co., Ltd., Guyuan 756000, China
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LI Zhuo ^{^2,3}
LI Zhuo
Dam Safety Management Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China;Dam Safety Management Center of Ministry of Water Resources, Nanjing 210029, China
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FANG Yixiang ^²
FANG Yixiang
Dam Safety Management Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China
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BI Chaoda ^{^2,3}
BI Chaoda
Dam Safety Management Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China;Dam Safety Management Center of Ministry of Water Resources, Nanjing 210029, China
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Affiliation:

(1.Ningxia Liupanshan Water Industry Co., Ltd., Guyuan 756000, China;2.Dam Safety Management Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China;3.Dam Safety Management Center of Ministry of Water Resources, Nanjing 210029, China)

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摘要:

以我国拟建的狭窄河谷区230.m级面板堆石坝为例,系统介绍了狭窄河谷区面板堆石坝变形控制理念和相应的工程措施,通过全面的坝料瞬变、流变和界面特性试验,确定了筑坝料的力学特性参数,对大坝施工填筑、蓄水、运行等状态进行数值模拟,重点评价了长期运行过程中混凝土面板、周边缝等关键部位的应力变形。结果表明,采用设置高趾墩、岸坡增模区、面板分缝优化、合理的预沉降期等措施后,保障了该坝的结构安全。

关键词:堆石坝;狭窄河谷;长期安全;变形控制;有限元

Abstract:

A 230.m high concrete faced rockfill dam

Key words:rockfill dam; narrow valley; long-term safety; deformation control; finite element

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引用本文

王建军,李卓,方艺翔,等.狭窄河谷高面板堆石坝变形控制与结构安全[J].水利水电科技进展,2022,42(4):67-73.(WANG Jianjun, LI Zhuo, FANG Yixiang, et al. Deformation control and structure safety of high concrete faced rockfill dams in a narrow valley[J]. Advances in Science and Technology of Water Resources,2022,42(4):67-73.(in Chinese))

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收稿日期:2021-09-23
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