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1、水利土木工程学院 xx 级毕业设计 大汶河生态型河道综合整治研究0大汶河生态型河道综合整治研究作者：班级：指导老师：摘要摘要：本文结合我国平原河道的水质环境与生态环境现状，以大汶河泰安段为研究对象，分析了大汶河河道生态环境和工程措施治理中所面临一些问题以及产生这些问题的原因。本文将从河道生态治理角度，以人与自然和谐共处为治河理念，对大汶河河道整治进行研究，同时，对大汶河泰安段水污染控制与水质预测进行了初步研究，分析了产生水污染的原因，选择合适的水质模型，进行纳污能力计算及水质预测。 “南水北调”东线工程比较突出的问题就是水质污染问题，大汶河水质直接影响其供水质量。按照规划水平年规划的水质目标，
2、预测了治理后的结果，并结合实际提出了一些水污染控制措施，对指导工矿企业排污、城市规划布局、水资源合理开发利用与保护、以及国民经济和社会可持续发展等方面具有重大科学意义。关键词关键词：生态河道；水质预测；河道整治；护岸材料水利土木工程学院 xx 级毕业设计 大汶河生态型河道综合整治研究1The comprehensive improvement of Dawen River to become ecological river Author: Major: Instructor:Abstract:Considering the water quality and the status of ec
3、ological environment of the plain rivers in China,this paper takes the part of the Dawen River around Taian as the study object and analyses the problems roused from the management of Dawen River channel ecological environment and the engineering measures and the reasons of these problems. The paper
4、 will make a research about the Dawen River improvement from the angle of river ecosystem management and the river regulation philosophy of man-and-nature harmonious coexistence .At the same time,the paper also undertakes a preliminary study about Dawen Rivers pollution control and water quality pre
5、diction ,and analyzes the reasons of water pollution by choosing proper water quality model and the right calculation of dirt assimilative capacity and water quality prediction.The comparatively salient problems of the the eastern route of the “south-to-north water transfer” are water pollution,whic
6、h directly affects the quality of the water supply.According to the water quality objective of target year of water conservancy planning,this paper gives out the prediction of the the result after the improvement. It also put forward with some measures to control water pollution based on the reality
7、.，which has great scientific significance in many aspects, such as the guidance of industrial and mining enterprises pollution discharge,the layout of urban planning ,the rational development and utilization of water resource and sustainable development of national economy and society.Keywords: ecol
8、ogical river; water quality prediction; river regulation; revetment material水利土木工程学院 xx 级毕业设计 大汶河生态型河道综合整治研究2目录1 前言.1 1.1 我国河道整治的现状 .2 1.2 我国河道面临的问题 .4 1.3 研究的目的与意义 .52 大汶河基本概况.7 2.1 自然环境 .7 2.2 社会经济概况 .123 大汶河生态状况及面临的主要问题.15 3.1 水环境现状 .15 3.2 大汶河水质污染原因分析 .20 3.3 大汶河采砂对河道的影响 .224 大汶河生态型河道综合整治研究.23 4
9、.1 大汶河工程概况及存在的问题.23 4.2 河道生态建设理论研究 .26 4.3 生态型河道综合整治 .285 大汶河综合整治措施及建议.50 5.1 大汶河综合整治措施 .50 5.2 结论与建议.51参考文献：.54致谢词.57水利土木工程学院 09 级毕业设计 大汶河生态型河道综合整治研究3CONTENTS1 FOREWORD.1 1.1 Current situation of river regulation .2 1.2 Problems of river regulation .4 1.3 Purpose and Significance of Research .52 BA
10、SIC STATUS OF DAWEN RIVER .7 2.1 Nature environment .7 2.2 Socioeconomic status .123 ECOLOGICAL SITUATION AND PROBLEMS.15 3.1 Water environment .15 3.2 Present status of water pollution and its cause analysis of Dawen River .20 3.3 Influence of extracting sand to Dawen River .224 STUDY ON COMPREHENS
11、IVE IMPROVEMENT OF ECOLOGICAL RIVER COURSE OF DAWEN RIVER.23 4.1 Brief introduction of project and problems of Dawen River .23 4.2 Study of Eco-river Construction Theories .26 4.3 Comprehensive improvement of ecological river course of Dawen River .285 COMPREHENSIVE IMPROVEMENT MEASURES AND RECOMMENDATIONS.50 5.1 Comprehensive improvement measures of Dawen River .50 5.2 Conclusions and recommendations .51REFERENCE.54ACKN
