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所在平台: Udemy |
课程主页: https://www.udemy.com/course/planning-and-design-of-drainage-systems/
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课程名称：排水系统的规划与设计 课程概述：本课程分为五个部分，共16个教学单元，每个部分涵盖与排水工程相关的特定主题。 第一部分：介绍 在这一部分，您将识别《排水系统的规划与设计》课程的主要目标和结构。您将学习排水的定义、土地排水的主要作用、水涝的定义、问题、原因及控制措施。 第二部分：总体规划与布局 在这一部分，您将了解排水系统的主要组成部分，学习表面排水的定义，了解不良表面排水系统的负面影响，识别土壤水和土壤湿度的类别，如何确定土壤特性以及测量水力传导率的方法。 第三部分：排水系统间距设计 在这一部分，您将学习如何计算稳态和非稳态流的排水间距，了解拦截排水的概念，以及如何确定拦截排水的位置。 第四部分：排水系统的水力设计 在这一部分，您将学习如何进行开放排水系统的水力设计，如何使用曼宁公式设计开放断面。您将了解地下排水系统必须确定的主要元素，学习如何使用韦塞林和曼宁公式进行均匀和非均匀流动下管道的设计，如何设计直径逐渐增大的排水管线，以及地下排水材料的选择和管道系统结构的选择。 第五部分：土壤盐渍化与土地复垦 在这一部分，您将识别盐渍化的定义、问题及成因，了解盐影响土壤的分类，研究盐浓度和盐平衡方程，如何确定淋洗需求和排水系数（q），学习复垦盐渍土壤的一般原则。 本课程旨在为参与者提供全面的排水系统设计与规划的知识，使其能够有效应对相关的工程挑战。
This course is structured into five sections with 16 lectures, each covering a specific topic related to drainage engineering.The sections are as follows:Section 1: Introduction In this section, you will identify the main objectives and the structure of "Planning and Design of Drainage Systems" course. You will identify of drainage definition, major roles of land drainage, waterlogging definition, problems, causes and control. Section 2: Master Plan and General LayoutIn this section, you will learn about main components of a drainage system, identify of surface drainage definition, learn about the negative effects of poor surface drainage system, identify of classes of soil water and soil moisture content, how to determine the soil properties and how to measure of hydraulic conductivity.Section 3: Design of drainage systems SpacingIn this section, you will learn how to calculate drain spacing for steady state and unsteady state flow. You will learn about the interceptor drains and how to determine the interceptor drains location.Section 4: Hydraulic Design of Drainage SystemsIn this section, you will learn about how to make a hydraulic design of open drainage system, how to design an open cross section using Manning equation. You will learn about the main elements must be determined for subsurface drainage system.You will learn how to use Wesseling and Manning equations to design pipe for uniform and nonuniform flow, how to design the drainpipe line with increasing diameter. Learn about the materials for subsurface drainage, how to select of drainpipe and select an envelope and learn about the structures in pipe drain system.Section 5: Soil Salinity and Land ReclamationIn this section, you will identify of salinity definition, problems and causes of soil salinity, identify of classification of salt affected soils. Learn about salt concentration and salt balance equation, how to determine leaching requirement and the drainage coefficient (q), Learn about the general principle of reclaiming saline soils.
