中华人民共和国住房和城乡建设部公告

前　　言

1　总　　则

2　术语和符号

• 2.1　术　　语

• 2.2　符　　号

3　基本规定

• 3.1　测　　量

• 3.2　岩土工程勘察

• 3.3　水文勘测

• 3.4　气象勘测

4　可行性研究阶段测量

• 4.1　一般规定

• 4.2　室内工作

• 4.3　现场工作和测量成果

5　初步设计阶段测量

• 5.1　一般规定

• 5.2　航空摄影

• 5.3　控制测量

• 5.4　路径走廊调绘

• 5.5　空中三角测量

• 5.6　建立路径三维数字模型

• 5.7　室内选择路径方案

• 5.8　现场工作和测量成果

6　施工图设计阶段测量

• 6.1　一般规定

• 6.2　现场落实路径

• 6.3　定线测量、桩间距离测量、高差测量

• 6.4　联系测量

• 6.5　平面及断面测量

• 6.6　交叉跨越测量

• 6.7　定位测量

• 6.8　塔基断面及塔位地形测量

• 6.9　房屋分布图测量

• 6.10　塔位坐标测量

• 6.11　测量成果

7　可行性研究阶段岩土工程勘察

• 7.1　勘察技术要求

• 7.2　勘察成果

8　初步设计阶段岩土工程勘察

• 8.1　勘察技术要求

• 8.2　勘察成果

9　施工图设计阶段岩土工程勘察

• 9.1　一般规定

• 9.2　平原河谷地区勘察

• 9.3　山地丘陵地区勘察

• 9.4　戈壁沙漠地区勘察

• 9.5　勘察成果

10　特殊性岩土

• 10.1　湿陷性土

• 10.2　软　　土

• 10.3　膨　胀　土

• 10.4　红　黏　土

• 10.5　填　　土

• 10.6　冻　　土

• 10.7　风化岩与残积土

• 10.8　盐渍岩土

• 10.9　混　合　土

11　不良地质作用和地质灾害

• 11.1　岩　　溶

• 11.2　滑　　坡

• 11.3　崩　　塌

• 11.4　泥　石　流

• 11.5　采　空　区

• 11.6　活动断裂、场地和地基的地震效应

12　地　下　水

13　岩土工程勘察方法

• 13.1　工程地质调查与测绘

• 13.2　坑探和钻探

• 13.3　原位测试

• 13.4　物　　探

• 13.5　遥　　感

14　原位试验

15　现场检验

16　可行性研究阶段水文勘测

17　初步设计阶段水文勘测

18　施工图设计阶段水文勘测

19　水文调查

• 19.1　一般规定

• 19.2　人类活动影响调查

• 19.3　洪水调查

• 19.4　河（海）床演变调查

• 19.5　冰情及河道漂浮物调查

• 19.6　水文测验

• 19.7　特殊地区调查

20　设计洪水分析计算

• 20.1　一般规定

• 20.2　天然河流设计洪水

• 20.3　水库上、下游设计洪水

• 20.4　特殊地区洪水

• 20.5　设计洪水要素

• 20.6　人类活动对洪水的影响

21　河（海）床演变分析

• 21.1　一般规定

• 21.2　河床演变

• 21.3　海床演变

• 21.4　人类活动对岸滩稳定性的影响

• 21.5　塔基冲刷计算

22　可行性研究阶段气象勘测

• 22.1　勘测内容深度与技术要求

• 22.2　勘测成果

23　初步设计阶段气象勘测

• 23.1　勘测内容深度与技术要求

• 23.2　勘测成果

24　施工图设计阶段气象勘测

• 24.1　勘测内容深度与技术要求

• 24.2　勘测成果

25　气象调查

• 25.1　一般规定

• 25.2　大风调查

• 25.3　覆冰调查

• 25.4　气象专用站观测

附录A　测量标桩规格及埋设尺寸

附录B　输电线路平断面图样图

附录C　平面图、断面图符号表

• C.1　一般规定

• C.2　图形符号

附录D　塔基断面图样图

附录E　塔位岩土工程条件综合成果表

附录F　河流稳定性分类表

附录G　塔基局部冲刷计算

附录H　设计风速分析计算

附录J　设计覆冰厚度分析计算

本规范用词说明

引用标准名录

1　General provisions

2　Terms and symbols

• 2.1　Terms

• 2.2　Symbols

3　Basic requirement

• 3.1　Survey

• 3.2　Geotechnical investigations

• 3.3　Hydrological survey

• 3.4　Meteorological survey

4　Survey at feasibility study stage

• 4.1　General requirement

• 4.2　Office work

• 4.3　Field work and survey results

5　Survey at preliminary design stage

• 5.1　General requirement

• 5.2　Aerial photography

• 5.3　Control survey

• 5.4　Investigation and annotation of route zone

• 5.5　Aero triangulation

• 5.6　Establishment of 3Ddigital route model

• 5.7　Route plan selection indoor

• 5.8　Field work and survey results

6　Survey at detail design stage

• 6.1　General requirement

• 6.2　Fulfillment of route selection outdoor

• 6.3　Survey of straight line location，distance between two stakes and difference of elevation

• 6.4　Connection survey

• 6.5　Plane and section survey

• 6.6　Cross survey

• 6.7　Tower spotting survey

• 6.8　Section survey of tower foundation and topographic survey of tower position

• 6.9　House distribution survey

• 6.10　Tower coordinates survey

• 6.11　Survey results

7　Geotechnical investigations at feasibility study stage

• 7.1　Technical requirements of investigations

• 7.2　Investigations results

8　Geotechnical investigations at preliminary design stage

• 8.1　Technical requirements of investigations

• 8.2　Investigations results

9　Geotechnical investigations at detail design stage

• 9.1　General requirement

• 9.2　Investigations at plain area

• 9.3　Investigations at mountainous region

• 9.4　Investigations at desert area

• 9.5　Investigations results

10　Special rock and soil

• 10.1　Collapsible soil

• 10.2　Soft clay

• 10.3　Expansive rock and soil

• 10.4　Laterite

• 10.5　Fill

• 10.6　Frozen soil

• 10.7　Weathered rock and residual soil

• 10.8　Saline soil

• 10.9　Mixed soil

11　Adverse geologic action and geologic disaster

• 11.1　Karst

• 11.2　Landslide

• 11.3　Avalanche

• 11.4　Debris flow

• 11.5　Goaf

• 11.6　Seismic effect of site and subgrade

12　Ground water

13　Methods of geotechnical investigations

• 13.1　Engineering geological mapping and investigation

• 13.2　Exploring pit and drill

• 13.3　In-situ tests

• 13.4　Geophysical exploring

• 13.5　Remote sensing

14　In-situ tests

15　In-situ inspection

16　Hydrological survey in feasibility study stage

17　Hydrological survey in preliminary design stage

18　Hydrological survey in detail design stage

19　Hydrological investigation

• 19.1　General requirement

• 19.2　Human impact investigation

• 19.3　Flood investigation

• 19.4　Fluvial processes investigation

• 19.5　Ice-regime and floats investigation

• 19.6　Hydrometry

• 19.7　Hydrological investigation in special area

20　Design flood computation

• 20.1　General requirement

• 20.2　Design flood of natural river

• 20.3　Design flood at upstream/downstream of reservoir

• 20.4　Design flood of special area

• 20.5　Design flood level and velocity

• 20.6　Flood impact by human activities

21　Analysis of fluvial process and seabed evolution

• 21.1　General requirement

• 21.2　Fluvial process

• 21.3　Seabed evolution

• 21.4　Stability impact by human activities

• 21.5　Calculation of foundation scour

22　Meteorological survey in feasibility study stage

• 22.1　Content and technical requirements

• 22.2　Survey results

23　Meteorological survey in preliminary design stage

• 23.1　Content and technical requirements

• 23.2　Survey results

24　Meteorological survey in detail design stage

• 24.1　Content and technical requirements

• 24.2　Survey results

25　Meteorological investigation

• 25.1　General requirement

• 25.2　Strong wind investigation

• 25.3　Line icing investigation

• 25.4　Observation by special meteorological station

Appendix A　Specification and size of inbuilt survey stakes

Appendix B　Planar and sectional samples of transmission line

Appendix C　Symbol list of planar and sectional plan

Appendix D　Tower foundation sectional plan

Appendix E　Results table for geotechnical investigation of towers

Appendix F　Classification of river stability

Appendix G　Calculation of partial scour of foundation

Appendix H　Calculation of designed wind velocity

Appendix J　Calculation of designed ice thickness

Explanation of wording in this code

List of quoted standards