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[1]高河东,祁志江,任金岭,等.川气东送管道野三河跨越方案比选与实施[J].油气储运,2011,30(06):445-448.[doi:10.6047/j.issn.1000-8241.2011.06.011]
　Gao Hedong,Qi Zhijiang,Ren Jinling,et al.Programs comparison and construction of the Yesanhe River Overhead Crossing NG Project of Sichuan-to-East Gas Pipeline[J].Oil & Gas Storage and Transportation,2011,30(06):445-448.[doi:10.6047/j.issn.1000-8241.2011.06.011]
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川气东送管道野三河跨越方案比选与实施

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年06期 页码: 445-448 栏目: 出版日期: 2011-06-25
Title:
Programs comparison and construction of the Yesanhe River Overhead Crossing NG Project of Sichuan-to-East Gas Pipeline
作者:
高河东1; 祁志江1; 任金岭2; 刘慎然1; 刘居正1; 高新明2
1. 川气东送管道工程项目部，湖北宜昌 430001 ； 2. 中铁十八局集团建筑安装工程有限公司，河北高碑店 074000
Author(s):
Gao Hedong; Qi Zhijiang; Ren Jinling; et al
Gao Hedong：NG Pipeline Project Department from Sichuan to the East，Yichang，Hubei，443000.
关键词:
管道; 野三河; 跨越; 悬索桥; 桥型; 参数; 质量控制
Keywords:
pipeline; Yesanhe River; overhead crossing; suspension bridge; bridge type; parameter; quality control
分类号:
TE863
DOI:
10.6047/j.issn.1000-8241.2011.06.011
文献标志码:
A
摘要:
针对川气东送管道工程大口径双管敷设、一用一备工况、以水为介质的质量检验及高落差大跨度运行环境等要求，对悬索桥、钢桁架斜腿钢构桥、上承式钢管混凝土拱桥3 种桥型进行比选，确定了悬索桥跨越方案；进行了大比例节段模型涡振试验、三分力试验及全桥气弹性模型风洞试验，依据试验结果，给出了消除涡振的空气动力学措施，提供了全桥静风荷载风载参数，确定风缆索的初拉力为2 400 kN，并将原设计风缆索由92ZAA6×55SWS+IWR1770 的粗直径钢芯钢丝绳调整为100ZAA6×55SWS+IWR1770 的粗直径钢芯钢丝绳。野三河悬索结构主桥的索塔、主缆、主梁、吊杆及锚碇组是施工质量检验阶段的5 大关键控制点，基于各控制点的实时监测结果，对控制参数进行调整，在工程质量控制方面取得了良好的效果。
Abstract:
According to the construction requirements of large-diameter and dual-pipe laying with one-up way，hydrotest and inspection of
pipeline and big fall and large-span operation environment of the Yesanhe River Overhead Crossing Project，programs available
including the suspension bridge，truss slant-legged rigid frame bridge and CFST arch bridge were compared to make a decision
of an optimal candidate. The vortex vibration testing with large-scale section model，three-component testing and wind tunnel
testing with full bridge aeroelastic model were carried out. The aerodynamics elimination method for vortex vibration and the
wind load parameters of full bridge aerostatic load could be given based on the test results. And the initial tension of wind cable
was determined as 2400 kN，and the original design of the wind cable for coarse diameter steel-core wire rope was changed
from 92ZAA6Х55SWS+IWR1770 to 100ZAA6Х55SWS+IWR1770. The pylon，main cable，girder，suspender and anchor group
of the Yesanhe River main suspension bridge were five key points to the quality control during construction stage. Based on the
real-time monitoring data of every control point，the method by adjusting control parameters was proved to be highly effective.

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