荆岳铁路的修建意义

2025-03-14 08:54:12
推荐回答(1个)
回答1:

新建铁路荆州至岳阳线(以下简称荆岳线)位于湖北省荆州市和湖南省岳阳市境内,线路起点接轨于荆沙线的沙市站,向东南经岑河、江陵,于宋家台跨长江,经公安县、麻豪口、藕池、南口镇至石首,出高基庙镇进入湖南省境内,经万庾、华容、君山,跨湘江后引入岳阳地区京广线岳阳北站,线路大体上呈北西西-南东东方向。
线路全长167.78km(含利用荆沙线1.17km,新建线路166.61km),其中湖北省境内85.97km,湖南境内81.81km。沙市站至岳阳北站运营长度166.88km。荆岳铁路的建设为两湖平原地区提供了新的客货运输便捷通路。襄樊至长沙经荆岳铁路运距较绕经焦柳线、石长线缩短134km,较绕经汉丹线、京广线运距缩短180km。荆岳铁路通过荆沙线向北接焦柳线、中联沪汉蓉铁路、东接京广线,将我国重要的南北干线焦柳线、京广线与东西向干线沪汉蓉铁路紧密的联系在一起,在三条干线间形成一条新的联络通路。本线通过沪汉蓉铁路、襄渝线可与川渝和西部地区路网相接,使得川、渝、鄂、晋、豫地区与岳阳及以远地区间的客货运输交流十分顺畅、便捷。本项目的建设在完善路网结构,增强路网的机动灵活性方面有着重要的作用和意义。 (1)路基荆州至岳阳线线路正线总长167.78km,其中区间路基工程设计长72.0km,占线路总长度的比率为42.9%。路堑地段长约7.8km,路堤地段长约64.2 km,其中双线路基设计长度约1.6km。
(2)站场荆岳铁路全线新建岑河、江陵、公安、裕公、藕池、石首、万庾、华容、松木桥、金家门、君山等11 个车站(其中江陵、公安、石首、新建铁路荆州至岳阳线环境影响报告书(简本)2 中国铁道科学研究院环境评价与工程中心华容、君山5 个车站为客货作业中间站);改建岳阳北、岳阳2个既有站。江陵、南口、华容、君山4 个车站设牵引变电所。
(3)桥涵贯通方案全线特大、大、中桥共计:77297.20m/44 座,线路长167.78km,桥梁总长度占线路总长度的46.20%;小桥涵共计560 座,扣除桥梁及隧道长度后每平方公里6.22 座。汉宜上下行联络线全线特大、大、中桥共计桥梁:5810.15m/3 座,线路长12.178km,桥梁总长度占线路总长度的47.71%;小桥涵共计49 座,扣除桥梁及隧道长度后每平方公里6.44 座。松阳湖专用线全线特大、大、中桥共计桥梁:518.0m/2 座,线路长9.336km,桥梁总长度占线路总长度的5.55%;小桥涵共计47 座,扣除桥梁及隧道长度后每平方公里3.329 座。
(4)隧道全线共有隧道2 座,总延长1.79km,隧道占线路总长(167.78km)的1.07%,全线最长隧道为松木桥隧道(进口里程CK112+070,出口里程CK113+570),全长1500m,为单线隧道。
(5)工程土石方总量线路、站场路基工程土石方总量为1793.06?04m3,其中填方1465.54?04m3,挖方327.52?04m3,移挖作填191.82?04m3,取土1218.1?04m3,弃土32.49?04m3
(6)工程占地类型及数量工程占地总面积1164.64hm2,其中永久占地859.35hm2,临时占新建铁路荆州至岳阳线环境影响报告书(简本)中国铁道科学研究院环境评价与工程中心 3地 305.29hm2,主要临时工程包括铺轨基地2 处、制梁场2 处、材料堆放场2 处,施工便道79km(新建36km,利用既有43km)。永久占地中占用水田、旱地等农业用地共556.11hm2,占征地总面积的64.7%。
(7)工程总投资及施工工期工程估算总投资为114.15 亿元,计划工期4 年(2010~2013 年)。全线于2010 年1 月初全面开工,全部工程于2013 年12 月完成,施工总工期48 个月。 铁路等级:Ⅰ级;
正线数目:双线;
设计行车速度:120 km / h;
最小曲线半径:一般2000m,困难1600m;
限制坡度:6‰;
牵引种类:电力;
机车类型:客车SS9,货车SS6B;
牵引质量: 4000t;
到发线有效长度:850m、部分远景预留1050m;
闭塞类型:自动站间闭塞;
建筑限界:采用建限-1电力牵引铁路建筑限界。
立项批复投资估算114.15亿元。

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