积石峡材料初步设计.docx

积石峡材料初步设计.docx

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积石峡材料初步设计

说明书目录

一、概述····························································3

（一）任务依据···································································3

（二）设计标准···································································3

1、主要标准、规范····························································3

2、设计标准·································································3

（三）对工程可行性研究报告及初步设计外业勘测验收会议纪要的执行情况···············3

（四）测设简况、设计方案拟定及推荐方案的确定······································4

（五）路线起讫点、中间控制点、全长、所经主要河流、垭口及城镇等·······················4

（六）占用土地情况·······························································4

（七）新技术采用及计算机的运用情况···············································4

（八）下一阶段需要进行试验、研究的项目及解决的问题································4

二、沿线自然地理概况················································6

（一）地形、地貌··································································6

（二）区域地质稳定性评价·························································6

1、地质构造·································································6

2、新构造运动及区域地壳稳定性···············································6

3、区域地壳稳定性···························································6

4、滑坡·····································································6

5、泥石流··································································9

（三）工程地质评价·······························································9

1、工程地质条件·····························································9

2、工程建设可能遭受地质灾害危险性的预测·····································9

（四）水文地质评价······························································10

1、气象与水文·····························································10

2、水文地质条件····························································11

三、路线···························································12

（一）路线布设及主要技术指标采用情况············································12

（二）可行性研究报告所定路线方案的采用及重大变更的论证··························13

（三）方案布置及方案的比选论证··················································13

四、路基、路面及排水················································16

（一）路基······································································16

1、一般路基设计····························································16

2、特殊路基设计····························································16

3、路基防护工程····························································17

4、路基、路面排水工程·······················································17

5、取土场及弃土场··························································18

（二）路面······································································18

1、设计原则································································18

2、设计标准································································18

3、交通组成、交通量及轴载换算···············································18

4、路面结构组合及方案论证··················································18

5、拟定路面结构层厚度及组合方案············································19

6、路面结构层材料级配组成··················································19

五、桥梁、涵洞······················································19

（一）主要技术标准······························································19

（二）主要材料及要求····························································19

（三）推荐线桥涵分布情况························································20

（四）推荐线大中桥桥型方案比较··················································20

六、隧道···························································30

（一）总体设计原则······························································30

（二）设计依据及执行规范························································30

（三）隧道工程概况······························································30

（四）隧址区工程地质条件························································31

（五）隧道主体工程······························································32

（六）交通附属设施······························································38

（七）下一阶段应解决的问题及注意事项············································40

七、路线交叉·······················································40

八、交通工程及沿线设施·············································40

（一）标志······································································40

（二）标线······································································41

九、环境保护·······················································41

（一）设计依据··································································41

（二）公路建设可能对建设区域自然环境、社会环境的影响·····························41

（三）环境保护措施······························································41

（四）运营期间的措施建议························································42

一十、渡口码头及其他工程·············································42

一十一、筑路材料······················································42

一十二、施工方案······················································43

一十三、设计概算······················································43

（一）编制依据·································································43

（二）定额依据和费用标准···································