甘肃省泾川县合志沟山洪灾害堤防工程治理措施研究
发布时间：2018-12-14 03:52
【摘要】：本文通过对甘肃省平凉市泾川县合志沟进行实地勘察，收集该区域气象、水文地质、工程地质、堤防工程建设等资料，主要研究了合志沟山洪灾害治理工程措施及其评价方法，旨在为当地山洪灾害防治工程的建设提供理论依据和技术支撑。本研究成果如下： (1)通过搜集研究区的水文、地质、地貌和自然条件，调查历史山洪灾害情况，同时对合志沟的径流、洪水、水文地质、地层岩性、泥沙、河道演变及河相进行分析，制定出安全有效、科学合理的山洪灾害治理措施。 (2)确定河道宽度和堤防导线的布设，根据研究区的实际情况确定堤防的形式，再通过水面线、堤顶超高和冲刷深度的计算来确定堤防的高度，提出堤防形式采用重力式挡土墙，并对其进行了稳定计算和渗流计算，建立了山洪灾害治理措施中河道整治研究工作的理论体系。 (3)通过全面分析和研究，确定了合志沟每个河段的断面尺寸和堤防形式，同时对治理河段进行河道疏浚以此确保河道畅通。 (4)对治理河段划分水土保持责任范围，在治理过程中可能造成的水土流失进行了评价，说明水土保持的总体防治措施和水土保持监测和管理；在治理过程中，对环境进行保护，，依据现有的环境现状，对环境影响进行评价，采取相应的环境保护措施。
[Abstract]:Based on the field investigation of Hezhi ditch in Jingchuan County, Pingliang City, Gansu Province, this paper collects the data of meteorology, hydrogeology, engineering geology, levee construction and so on, and mainly studies the engineering measures and evaluation methods of mountain torrents disaster control in Hezigou. The aim is to provide theoretical basis and technical support for the construction of local mountain flood prevention and control project. The results of this study are as follows: (1) through collecting hydrology, geology, geomorphology and natural conditions of the study area, investigating the historical mountain torrents disaster, at the same time matching the runoff, flood, hydrogeology, stratigraphic lithology, sediment of Zhigou, Based on the analysis of river evolution and river facies, a safe, effective, scientific and reasonable mountain flood disaster control measure is worked out. (2) determine the width of the channel and the arrangement of the dike conductors, determine the form of the levee according to the actual situation of the study area, and then determine the height of the dike by the calculation of the water surface line, the top height of the embankment and the depth of erosion. The gravity retaining wall is put forward as the form of levee, and the stability calculation and seepage calculation are carried out, and the theoretical system of river course regulation research in mountain flood disaster control measures is established. (3) through the comprehensive analysis and research, the section size and dike form of each section of He-Zhi ditch are determined, and the river channel dredging is carried out to ensure the smooth flow of the river at the same time. (4) to divide the responsibility range of soil and water conservation in the river reach, and to evaluate the soil and water loss which may be caused in the course of control, and to explain the overall control measures of soil and water conservation and the monitoring and management of soil and water conservation; In the process of management, the environmental protection is carried out. According to the present environmental situation, the environmental impact is evaluated and the corresponding environmental protection measures are taken.
【学位授予单位】：甘肃农业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TV871
本文编号：2377867
[Abstract]:Based on the field investigation of Hezhi ditch in Jingchuan County, Pingliang City, Gansu Province, this paper collects the data of meteorology, hydrogeology, engineering geology, levee construction and so on, and mainly studies the engineering measures and evaluation methods of mountain torrents disaster control in Hezigou. The aim is to provide theoretical basis and technical support for the construction of local mountain flood prevention and control project. The results of this study are as follows: (1) through collecting hydrology, geology, geomorphology and natural conditions of the study area, investigating the historical mountain torrents disaster, at the same time matching the runoff, flood, hydrogeology, stratigraphic lithology, sediment of Zhigou, Based on the analysis of river evolution and river facies, a safe, effective, scientific and reasonable mountain flood disaster control measure is worked out. (2) determine the width of the channel and the arrangement of the dike conductors, determine the form of the levee according to the actual situation of the study area, and then determine the height of the dike by the calculation of the water surface line, the top height of the embankment and the depth of erosion. The gravity retaining wall is put forward as the form of levee, and the stability calculation and seepage calculation are carried out, and the theoretical system of river course regulation research in mountain flood disaster control measures is established. (3) through the comprehensive analysis and research, the section size and dike form of each section of He-Zhi ditch are determined, and the river channel dredging is carried out to ensure the smooth flow of the river at the same time. (4) to divide the responsibility range of soil and water conservation in the river reach, and to evaluate the soil and water loss which may be caused in the course of control, and to explain the overall control measures of soil and water conservation and the monitoring and management of soil and water conservation; In the process of management, the environmental protection is carried out. According to the present environmental situation, the environmental impact is evaluated and the corresponding environmental protection measures are taken.
【学位授予单位】：甘肃农业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TV871
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