山西中南部重载铁路通道涵洞选型研究

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摘要研究目的：山西中南部铁路通道，作为一条重载铁路，设计活载采用中－活载（2005）ZH荷载（z=1.2)；瓦塘至洪洞北段，地形地貌差异较大。以南吕梁山隧道为界，南吕梁山以北铁路沿线沟壑纵横；以南位于汾河阶地，地形较开阔。综合考虑气象、地形地貌及地质情况等控制涵洞选型的因素，对涵洞的结构形式、建筑材料及工程造价等三个方面的研究，提出适合中南部铁路通道涵洞的选型原则。研究结论：（1）对全段涵洞的交角、填土高进行统计分析，沿线涵洞的分布以高填方涵洞为主，故有必要对涵洞的形式进行比选研究；（2）通过涵洞布置原则的比较得出：盖板涵适用于沟床纵坡较陡、水流量较大冲沟的路基，框架涵适用于沟床、交叉道路纵坡平缓的平原低路基上，结构整体受力好，圬工量小；（3）填土高度小于6.0 m、涵节错台小于10 cm、地形比较平坦的工点宜采用框架涵，地形山高沟深、沟床纵坡陡峭的地段推荐采用盖板涵或肋板涵；（4）本研究结论可为山岭地区的涵洞选型提供借鉴

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关键词 ：重载铁路通道, 涵洞, 选型, 研究

Abstract：Abstract：Research purposes： The Central and Southern Railway Corridor in Shanxi province is the first heavy haul railway in China. Design live load adopts: standard railway live load specified by P.R.C(2005) HZ, load factor Z = 1.2. The topographic features are very different from Watang to Hongtong North. The South Lvliang Mountain tunnel is the boundary line, the railway line crosses many ravines to north of the South Lvliang Mountain, the railway line lies in the Fen River terraces with open terrain to south of the South Lvliang Mountain. Considering the weather, topography and other factors which are controlling culverts type selection, the article makes study of the structural type, building materials and engineering cost, brings forward the culvert type selection principle for the Central and Southern Railway Corridor. Research conclusions：(1) The statistical analysis of the whole culvert angle and height of filling showed that most of the culverts are high filled culverts, so it is necessary to make comparison study of the culvert type. (2) Through the comparison of culvert layout principle, it is clear that the slab culvert is suitable for the embankment where gully bed longitudinal slope is steep with large discharge, optimize the slab culvert construction material durability, meet the design requirements of heavy haul railway; Frame culvert is suitable for low embankment where the longitudinal slope is gentle within gully bed or flat plains, it has good entire structural performance and small amount of masonry. (3) By economic and technical comparison, and comprehensive consideration of culvert section rugged, culvert wear and frozen depth, frame culvert is suitable for the situation that upper filled soil is less than 6.0 m, or culvert section rugged height is less than 10 cm in flat terrain; In the area where longitudinal slope is steep within high mountain or deep groove terrain, slab culvert or ribbed slab culvert is recommended. (4) The research conclusions can provide references for the selection of the culvert type in mountain areas.

Key words： Key words: heavy haul railway corridor culvert type selection study

作者简介: 郭治胜，1968年出生，男，高级工程师。

引用本文:

郭治胜浑铁链荀嘉雷. 山西中南部重载铁路通道涵洞选型研究[J]. 铁道工程学报, 2015, 32(4): 80-.
GUO Zhi-sheng, HUN Tie-lian, XUN Jia-lei. The Study of Culvert Type Selection in the Central and Southern Heavy Haul Railway Corridor in Shanxi Province. 铁道工程学报, 2015, 32(4): 80-.

链接本文:

http://tdgcxb.crec.cn/CN/ 或 http://tdgcxb.crec.cn/CN/Y2015/V32/I4/80

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