全风化花岗岩管沟回填土坡面侵蚀影响因素及交互作用

张凯; 孔志岗; 李燕清; 周剑; 贾福聚; 张垚

doi:10.13870/j.cnki.stbcxb.2023.01.008

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全风化花岗岩管沟回填土坡面侵蚀影响因素及交互作用

更新时间：2025-03-12

- 全风化花岗岩管沟回填土坡面侵蚀影响因素及交互作用
- Influence Factors and Interaction of Slope Erosion of Completely Weathered Granite Pipe Trench Backfill
- 水土保持学报 2023年37卷第1期页码：52-58
- 作者机构：
  
  1. 昆明理工大学国土资源工程学院,昆明,650093
  2. 昆明理工大学自然资源部高原山地地质灾害预报预警与生态保护修复重点实验室,昆明,650093
  3. 云南省交通运输厅, 云南省交通安全统筹中心,昆明,650031
  4. 北京工业大学城市建设学部,北京,100124
  5. 中国有色金属工业昆明勘察设计研究院有限公司,昆明,650093
- 作者简介：
  
  [ "张凯(1993-),男,硕士研究生,主要从事环境地质与工程地质研究。E-mail:zhangkaizjj@163.com" ]
- 基金信息：
  
  国家管网集团西南管道有限责任公司科技开发项目(2018016);云南省重点研发计划项目(202203AC100003)
- DOI：10.13870/j.cnki.stbcxb.2023.01.008
  中图分类号： S157.1
- 纸质出版：2023
- 稿件说明：
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张凯, 孔志岗, 李燕清, 等. 全风化花岗岩管沟回填土坡面侵蚀影响因素及交互作用[J]. 水土保持学报, 2023,37(1):52-58.

ZHANG Kai, KONG Zhigang, LI Yanqing, et al. Influence Factors and Interaction of Slope Erosion of Completely Weathered Granite Pipe Trench Backfill[J]. 2023, 37(1): 52-58.
张凯, 孔志岗, 李燕清, 等. 全风化花岗岩管沟回填土坡面侵蚀影响因素及交互作用[J]. 水土保持学报, 2023,37(1):52-58. DOI： 10.13870/j.cnki.stbcxb.2023.01.008.

ZHANG Kai, KONG Zhigang, LI Yanqing, et al. Influence Factors and Interaction of Slope Erosion of Completely Weathered Granite Pipe Trench Backfill[J]. 2023, 37(1): 52-58. DOI： 10.13870/j.cnki.stbcxb.2023.01.008.

摘要

为了查明全风化花岗岩地区输油气管道作业边坡坡面水土流失问题

通过野外典型边坡边界条件测量、坡面侵蚀特征冲沟沟深、冲沟截面积数据采集、岩土体取样测试

并结合室内模型降雨试验等方法。结果表明:降雨、坡长、坡度、汇水面积、岩土体特性5种因素均影响全风化花岗岩管沟回填土坡面侵蚀。产沙率和产流率随着降雨强度的增大而增大。坡长、坡度、汇水面积与冲沟沟深和冲沟截面积呈正相关关系

且随着坡长、坡度、汇水面积的增大

冲沟沟深和冲沟截面积也在增大。通过取样测试发现

原状土与回填土的颗粒组成相对含量具有较大差异

初始回填土粒度级配为良好土。降雨冲刷初期回填土坡面径流主要携带粉粒和黏粒。5年回填土相对于原状土

孔隙率增加到原来的1.13倍

土体渗透系数增大1个数量级

饱和状态下黏聚力降低为原状土的67.6%

内摩擦角降低为原状土的87.5%。通过查明全风化花岗岩管沟回填土坡面侵蚀影响因素及其作用

为后续的边坡治理提供依据。

Abstract

In order to find out the problem of soil and water loss on the slope side of oil and gas pipeline operation in fully weathered granite area

this paper adopted the methods of measuring the boundary conditions of typical slopes in the field

collecting the data of gully depth and gully sectional area of slope erosion characteristics

sampling and testing rock and soil mass

and the indoor model rainfall test. The results showed that rainfall

slope length

slope

catchment area and geotechnical characteristics all affected the slope erosion of backfill soil in fully weathered granite pipe trench. Sediment yield and flow yield increased with the increase of rainfall intensity. The slope length

slope and catchment area were positively correlated with gully depth and gully cross-sectional area

and the gully depth and gully cross-sectional area increased with the increase of slope length

slope and catchment area. Through sampling

it was found that the relative content of particle composition of undisturbed soil was different from that of backfill soil

and the particle size distribution of the initial backfill soil was good. At the initial stage of rainfall scouring

the runoff of backfill slope mainly carried away silt and clay particles. Compared with the original soil

the porosity of the backfill soil in five years increased to 1.13 times

the soil permeability coefficient increased by one order of magnitude

and the cohesion in saturated state and internal friction angle decreased to 67.6% and 87.5% of that of the original soil

respectively. By finding out the influencing factors and their effects on slope erosion of backfill soil in fully weathered granite pipe trench

it could provide a basis for the subsequent slope treatment.

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references

李宗善,杨磊,王国梁,等.黄土高原水土流失治理现状、问题及对策[J].生态学报,2019,39(20):7398-7409.

王文静.陕北黄土高原地区水土流失敏感性评价[D].西安:西北大学,2016.

Kouselou M,Hashemi S, Eskandari I, et aL.Quantif-ying soil displacement and tillage erosion rate by different tillage systems in dryland northwestern Iran[J].Soil Use and Management,2018,34(1):48-59.

Chen J, Xiao H B, Li Z W, et al. How effective are soil and water conscrvation measures (SWCMs) in reducing soil and water losses in the red soil hilly region of China:A meta-analysis of field plot data[J].Science of the Total Environment, 2020,735:e139517.

谢永生,李占斌,王继军,等.黄土高原水土流失治理模式的层次结构及其演变[J].水土保持学报,2011,25(3):211-214.

索安宁,赵文喆,王天明,等.近50年来黄土高原中部水土流失的时空演化特征[J].北京林业大学学报,2007,29(1):90-97.

白皓.红土工程堆积体坡面水蚀过程及泥沙颗粒分布特性研究[D].陕西杨凌:西北农林科技大学,2018.

汤珊珊. 覆沙坡面水蚀产沙动力过程与微地貌变化的响应研究[D].西安:西安理工大学,2018.

Liu H L, Wang X D, Guo Q L. Field testing study on the rainfall thresholds and prone areas of sandstone slope erosion at Mogao Grottoes, Dunhuang[J].Environmental Monitoring and Assessment,2019,191(12):1-9.

杨春霞,姚文艺,肖培青,等.坡面径流剪切力分布及其与土壤剥蚀率关系的试验研究[J].中国水土保持科学,2010,8(6):53-57.

冯秀,查轩,黄少燕.人工模拟降雨条件下花岗岩红壤坡面侵蚀过程与特征分析[J].中国水土保持科学,2014,12(1):19-23.

杜婷婷,李志清,王晓明,等.黄土边坡降雨冲刷模型试验研究[J].工程地质学报,2018,26(3):732-740.

Liang Y, Jiao J Y, Dang W Q, et al. The thresholds of sediment-generating rainfall from hillslope to watershed scales in the Loess Plateau, China[J].Water,2019,11(11):e2392.

郑勤敏,王祖梅,黄奕铭,等.东南崩岗侵蚀区崩壁土壤岩土特性的空间分异特征[J].森林与环境学报,2022,42(1):53-62.

刘洪鹄.崩岗侵蚀发育机理与风险防控关键技术[D].武汉:长江科学院,2021.

王娜,王佳妮,张晓明,等.控制厚度条件下崩岗土体的裂隙演化特征[J].水土保持学报,2021,35(6):175-182.

周小生,张海亮.风化花岗岩矿物演化机理及工程特性研究[J].公路交通科技(应用技术版),2018,14(4):43-47.

中华人民共和国住房和城乡建设部.GB/T 50123-2019土工试验方法标准[S]. 北京:中国计划出版社,2019.

王龙生,蔡强国,蔡崇法,等.黄土坡面细沟形态变化及其与流速之间的关系[J].农业工程学报,2014,30(11):110-117.

李裕元,邵明安.降雨条件下坡地水分转化特征实验研究[J].水利学报,2004,35(4):48-53.

张新和,郑粉莉,汪晓勇,等.上方汇水对黄土坡面侵蚀方式演变及侵蚀产沙的影响[J].西北农林科技大学学报(自然科学版),2008,36(3):105-110.

张祖莲,洪斌,黄英,等.降雨作用下云南省红土抗剪强度与坡面侵蚀模数的关系[J].水土保持通报,2017,37(1):1-8.

李君兰,蔡强国,孙莉英,等.降雨强度、坡度及坡长对细沟侵蚀的交互效应分析[J].中国水土保持科学,2011,9(6):8-13.

周春红,张风宝,刘宝元,等.细沟间侵蚀影响因子交互作用定量分析[J].土壤学报,2022,59(2):420-429.

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