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交通工程

Transportation Engineering

课程介绍 Course Introduction

学分：3 | 先修课：概率论、工程经济 | 学期：第5学期

交通工程是土木工程交通方向的核心专业课，研究交通流运行规律及交通设施的规划、设计与管理。内容包括交通流理论、交通调查与分析、道路通行能力、交通规划方法、道路线形设计、交叉口渠化、交通信号控制及智能交通系统基础等。课程注重理论方法与工程实践结合，培养学生从事城市与公路交通系统分析、规划与设计的能力。

Transportation Engineering is a core course for the transportation track of civil engineering, focusing on traffic flow behavior and the planning, design, and operation of transportation facilities. Topics include traffic flow theory, traffic surveys and analysis, highway capacity, transportation planning, geometric design, intersection channelization, signal control, and intelligent transportation systems. The course develops skills for analyzing, planning, and designing urban and highway traffic systems.

大作业 Final Project

作业标题：城市交叉口渠化设计与信号配时优化 / Urban Intersection Channelization and Signal Timing Optimization

针对指定城市交叉口完成渠化设计与信号配时优化，包括交通调查、车道布置、相位方案与配时计算并评估通行能力改善效果。

Complete channelization design and signal timing optimization for a specified urban intersection, including traffic survey, lane configuration, phase scheme and timing calculation, and evaluate capacity improvement effects.

实施步骤 Implementation Steps

📋 示例：优化一个真实的城市交叉口，比如一个双向六车道的主干道与次干道交叉口。你需要做交通量调查、画渠化设计、用Webster法计算信号配时，然后用VISSIM仿真对比优化前后的延误和排队长度，看看通行能力能提升多少。
步骤 1
交通调查与分析
本步骤对土木工程问题进行深入分析，明确设计条件和技术要求。土木工程设计需依据相关规范标准，从地质条件、荷载条件、使用功能等多方面综合分析。通过现场勘察、资料收集和规范解读确定设计输入条件。

• 收集地质勘察报告、地形测量资料和周边环境条件，分析工程建设条件
• 依据GB 50009建筑结构荷载规范确定荷载取值，包括恒载、活载、风载、地震作用等
• 分析使用功能要求和约束条件，明确设计标准、安全等级和设计使用年限
产出：设计条件分析报告（含地质资料、荷载取值、设计标准、约束条件分析） ｜ 质量标准：资料完整、取值正确、标准明确、分析深入
步骤 2
通行能力分析
本步骤对土木工程问题进行深入分析，明确设计条件和技术要求。土木工程设计需依据相关规范标准，从地质条件、荷载条件、使用功能等多方面综合分析。通过现场勘察、资料收集和规范解读确定设计输入条件。

• 收集地质勘察报告、地形测量资料和周边环境条件，分析工程建设条件
• 依据GB 50009建筑结构荷载规范确定荷载取值，包括恒载、活载、风载、地震作用等
• 分析使用功能要求和约束条件，明确设计标准、安全等级和设计使用年限
产出：设计条件分析报告（含地质资料、荷载取值、设计标准、约束条件分析） ｜ 质量标准：资料完整、取值正确、标准明确、分析深入
步骤 3
渠化设计
本步骤进行土木工程结构或系统的方案设计，将功能需求转化为具体的工程方案。土木工程设计需同时满足安全性、适用性和耐久性要求，在技术可行、经济合理、施工方便之间寻求平衡。采用概念设计与计算设计相结合的方法。

• 进行结构选型和布置，确定结构体系、构件截面形式和传力路径
• 依据GB 50010混凝土结构设计规范或GB 50017钢结构设计标准进行构件设计
• 进行多方案技术经济比较，选择安全可靠、经济合理、施工方便的最优方案
产出：设计方案（含结构布置图、构件截面、配筋计算、材料用量、方案对比） ｜ 质量标准：结构合理、计算正确、经济优化、满足规范
步骤 4
信号配时优化
本步骤是土木工程设计的重要环节，依据相关规范标准进行专业设计和分析。土木工程强调安全第一，需严格遵守国家和行业规范，确保结构的安全性、适用性和耐久性。采用成熟的理论方法和专业软件工具保证设计质量。

• 依据现行国家规范和行业标准开展工作，确保设计合规合法
• 使用专业软件（PKPM/SAP2000/ANSYS/MIDAS等）进行结构分析和设计计算
• 进行承载力、变形、稳定性等多方面校核，确保满足规范要求
产出：土木工程设计报告（含设计依据、计算过程、结果分析、图纸说明） ｜ 质量标准：符合规范、计算准确、设计合理、安全可靠
步骤 5
改善评估与报告
本步骤是土木工程设计的重要环节，依据相关规范标准进行专业设计和分析。土木工程强调安全第一，需严格遵守国家和行业规范，确保结构的安全性、适用性和耐久性。采用成熟的理论方法和专业软件工具保证设计质量。

• 依据现行国家规范和行业标准开展工作，确保设计合规合法
• 使用专业软件（PKPM/SAP2000/ANSYS/MIDAS等）进行结构分析和设计计算
• 进行承载力、变形、稳定性等多方面校核，确保满足规范要求
产出：土木工程设计报告（含设计依据、计算过程、结果分析、图纸说明） ｜ 质量标准：符合规范、计算准确、设计合理、安全可靠

Steps

Step 1
Traffic Survey and Analysis
This step conducts in-depth analysis of civil engineering problems, clarifying design conditions and technical requirements. Civil engineering design must be based on relevant codes and standards, comprehensively analyzing from geological conditions, load conditions, functional requirements and other aspects. Determine design input conditions through site investigation, data collection and code interpretation.

• Collect geological survey reports, topographic survey data and surrounding environmental conditions, analyze engineering construction conditions
• Determine load values according to GB 50009 Load Code for Design of Building Structures, including dead load, live load, wind load, seismic action, etc.
• Analyze functional requirements and constraint conditions, clarify design standards, safety levels and design working life
Deliverable: Design condition analysis report (including geological data, load values, design standards, constraint condition analysis) | Quality standard: Complete data, correct values, clear standards, in-depth analysis
Step 2
Capacity Analysis
This step conducts in-depth analysis of civil engineering problems, clarifying design conditions and technical requirements. Civil engineering design must be based on relevant codes and standards, comprehensively analyzing from geological conditions, load conditions, functional requirements and other aspects. Determine design input conditions through site investigation, data collection and code interpretation.

• Collect geological survey reports, topographic survey data and surrounding environmental conditions, analyze engineering construction conditions
• Determine load values according to GB 50009 Load Code for Design of Building Structures, including dead load, live load, wind load, seismic action, etc.
• Analyze functional requirements and constraint conditions, clarify design standards, safety levels and design working life
Deliverable: Design condition analysis report (including geological data, load values, design standards, constraint condition analysis) | Quality standard: Complete data, correct values, clear standards, in-depth analysis
Step 3
Channelization Design
This step performs scheme design of civil engineering structures or systems, translating functional requirements into specific engineering solutions. Civil engineering design must simultaneously meet safety, applicability and durability requirements, seeking balance among technical feasibility, economic reasonableness and construction convenience. Combine conceptual design with computational design methods.

• Perform structural type selection and layout, determine structural system, member section forms and load transfer paths
• Design members according to GB 50010 Code for Design of Concrete Structures or GB 50017 Standard for Design of Steel Structures
• Conduct techno-economic comparison of multiple schemes, select the optimal solution with safety, reliability, economic reasonableness and construction convenience
Deliverable: Design scheme (including structural layout diagram, member sections, reinforcement calculation, material quantity, scheme comparison) | Quality standard: Reasonable structure, correct calculation, economic optimization, code compliant
Step 4
Signal Timing Optimization
This step is an important element in civil engineering design, conducting professional design and analysis according to relevant codes and standards. Civil engineering emphasizes safety first, must strictly abide by national and industry codes, ensuring structural safety, applicability and durability. Use mature theoretical methods and professional software tools to ensure design quality.

• Work according to current national codes and industry standards, ensuring design compliance and legality
• Use professional software (PKPM/SAP2000/ANSYS/MIDAS, etc.) for structural analysis and design calculation
• Perform multi-faceted verification such as bearing capacity, deformation and stability, ensuring meeting code requirements
Deliverable: Civil engineering design report (including design basis, calculation process, result analysis, drawing description) | Quality standard: Code compliant, accurate calculation, reasonable design, safe and reliable
Step 5
Improvement Evaluation and Report
This step is an important element in civil engineering design, conducting professional design and analysis according to relevant codes and standards. Civil engineering emphasizes safety first, must strictly abide by national and industry codes, ensuring structural safety, applicability and durability. Use mature theoretical methods and professional software tools to ensure design quality.

• Work according to current national codes and industry standards, ensuring design compliance and legality
• Use professional software (PKPM/SAP2000/ANSYS/MIDAS, etc.) for structural analysis and design calculation
• Perform multi-faceted verification such as bearing capacity, deformation and stability, ensuring meeting code requirements
Deliverable: Civil engineering design report (including design basis, calculation process, result analysis, drawing description) | Quality standard: Code compliant, accurate calculation, reasonable design, safe and reliable
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