可达性作为开放空间服务能力的一项重要指标，在香港乃至世界大部分城市的规划设计阶段主要通过最大步行距离或服务半径来控制的。当这些评价指标对所处的空间环境描述相对抽象单一并无法对当前开放空间的效能问题提供有效解释时，研究有必要建立一个新的可达性理论模型，以满足研究与实践不断提出的要求。在此背景下，基于城市是个关联整体的观点，本书从香港复杂的城市形态及步行人流多样化的角度出发，分析其对开放空间可达性及其使用模式的协同构建作用。在此分析基础上，研究旨在建立一个适用于高密度建成环境并能对开放空间的可达性进行有效解释与预测的评价框架，以指导未来开放空间的规划设计实践及其管理。

凌晓红，女，现任华南理工大学建筑学院副教授、硕导，国家一级注册建筑师、香港BEAM绿建专才。2008年获香港大学建筑学博士学位（城市设计方向），2014年英国建筑联盟学院（AA）访问教师。研究方向包括城市设计理论与方法、城市形态分析与建模、空间句法理论与实践、城市微更新和社区营造等。

Preface
Table of Contents
Chapter 1 Introduction
1.1 Accessibility and use of open spaces
1.2 The dilemma of the conventional concept of accessibility and the morphological complexity of Hong Kong's urban areas
1.3 Main research problem and sub-problems
1.4 Aims of the study
1.5 Scope of the study
1.6 Structure of the book
Chapter 2 Literature Review
2.1 Different ideas of successful open spaces
2.1.1 Morphological studies of traditional squares
2.1.2 Empirical studies of contemporary open spaces
2.1.3 Studies on the use of open spaces in relation to urban morphology and pedestrian movement patterns
2.2 Various definitions and measures of accessibility
2.2.1 Definition and measures of accessibility in regional science
2.2.2 The concepts and measures of accessibility in urban design
2.3 Urban morphology and pedestrian movement modelling
2.3.1 Different ways of describing urban forms
2.3.2 Studies of urban morphology and its implications for spatial use
2.3.3 Space syntax: a configurational analysis
2.4 The formulation of the accessibility model of open spaces (Sub-problem 1)
Chapter 3Methodology
3.1 Research design
3.1.1 An integrated approach to research
3.1.2 The selection of the case study urban area
3.1.3 The selection of sample open spaces
3.1.4 A multi-scale analytical framework
3.2 Data collection and analysis methods and techniques
3.2.1 Morphological analysis of urban layout and configurational modelling of pedestrian movement in Wanchai District (Subproblem 2)
3.2.2 Measuring and evaluating the accessibility of open spaces (Sub-problem 3)
3.2.3 The relationship between accessibility and use of open spaces (Sub-problem 4)
3.3 Summary
Chapter 4 Morphological Analysis of the Urban Layout in Wanchai District, Hong Kong
4.1 Introduction to Wanchai District of Hong Kong
4.1.1 General information
4.1.2 A brief historical review
4.1.3 Reclamation as an urban development
4.2 Physical analysis of the urban layout
4.2.1 Analysis of the overall layout
4.2.2 Comparative analysis between different grids
4.2.3 Sub-summary
4.3 Configurational analysis of the urban layout
4.3.1 Historical development of the urban configuration
4.3.2 Configurational analysis
4.4 Configurational modelling of pedestrian movements: a predictability analysis
4.4.1 The whole urban system
4.4.2 Sub-areas embedded in the whole
4.5 Summary
4.5.1 Configurational analysis
4.5.2 Predictability analysis
4.5.3 Implications for subsequent analysis
Chapter 5 Measuring and Evaluating the Accessibility of Open Spaces in Wanchai District, Hong Kong
5.1 Description of the sample spaces
5.1.1 General information
5.1.2 Statistical analysis of immediate properties
5.1.3 Correlation analysis
5.2 Measuring and evaluating the accessibility of open spaces
5.2.1 Physical accessibility at a global level
5.2.2 Physical accessibility at the local level
5.2.3 Visibility of open spaces
5.2.4 The adjacent level of pedestrian movement around the sample spaces
5.2.5 Correlation between physical accessibility and visibility
5.3 Summary
Chapter 6 Accessibility and Use Patterns of Open Spaces
6.1 Brief description of the patterns of use within the sample spaces
6.1.1 Type A: Pocket parks
6.1.2 Type B: Playgrounds
6.1.3 Type C: Gardens
6.2 Comparative analysis of use patterns among the sample spaces
6.2.1 Mean number of users of the sample spaces (Mean use)
6.2.2 Distribution of mean use throughout the day (Time pattern)
6.2.3 Mean use density of sample spaces
6.2.4 User profiles within the sample spaces
6.3 The relationship between accessibility and use of open space
6.3.1 Use of sample spaces and their area and enclosure r