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Urban design based on public safety-Discussion on safety-based urban design

Kaizhen CAI, Jianguo WANG

《结构与土木工程前沿（英文）》 2009年第3卷第2期页码 219-227 doi: 10.1007/s11709-009-0023-4

摘要： Because of public safety problems in construction of urban surroundings, this paper expounds the necessity of the study on public safety-based urban design in perspective of modern city. It brings forward the concept of safety-based urban design and attempts to explore the basic connotation and contents with framework for studies.

关键词： urban public safety urban design safety-based urban design

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Development trend of urban design in “digital age”: Pan-dimensionality and individual-ubiquity

《结构与土木工程前沿（英文）》 2021年第15卷第3期页码 569-575 doi: 10.1007/s11709-021-0735-7

摘要： The wave of “digital age” featuring digital information is coming. Digital technology is profoundly changing the societal development direction and evolution paths. It also has significant bearing on production modes, social interactions and lifestyles. With regard to urban design, a system of knowledge about the creation and adaptation of material space forms that integrate humanities, art, technology and materials, digital technology has provided it with a brand-new and revolutionary scientific impetus for its evolution. The result of this evolution is “digital urban design paradigm based on human-computer interaction”, i.e., the urban development is moving toward “pan-dimensionality” and “individual ubiquity”. The future of urban design will construct a new approach to urban research and engineering, which is more complex, capable of accommodating and compatible with multiple goals of “instrumental rationality” and “value rationality”. Such a new approach shall be led by the probabilistic theory of “gray scale thinking”, reflecting quaternary synergetic view of “scientific rationality, ecological rationality, cultural rationality and technical rationality” to realize the cognitive progress of “engineering for the benefit of mankind”.

关键词： digital age urban design multiple objectives human-computer interaction pan-dimensionality individual-ubiquity

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Sustainable design of sanitation system based on material and value flow analysis for urban slum in Indonesia

Ken USHIJIMA, Mitsuteru IRIE, Neni SINTAWARDANI, Jovita TRIASTUTI, Umi HAMIDAH, Tadaharu ISHIKAWA, Naoyuki FUNAMIZU

《环境科学与工程前沿（英文）》 2013年第7卷第1期页码 120-126 doi: 10.1007/s11783-012-0460-5

摘要： Material flow analysis (MFA) and value flow analysis (VFA) were applied to the sanitation system in an urban slum in Indonesia. Based on the results of the MFA and VFA, garbage and excreta disposal costs were evaluated to be 0.7% and 1.1%, respectively, of per capita income. Such value flows seem reasonable in light of the recognized affordability to pay (ATP) standard. However, current excreta disposal methods create negative impacts on downstream populations. Because such disadvantages do not go back to disposers, but passed to downstream, the current value flow structure does not motivate individual toilet users to install treatment facility. Based on current material and value flow structures, a resource recycling sanitation system scenario was examined. Based on VFA, an affordable initial cost for such a system was calculated; this was found to be comparable in price to a cheaper composting toilet that is currently available in the market.

关键词： material flow value flow resource recycling system sustainable design initial cost urban slum

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Fifty Years of Water Sensitive Urban Design, Salisbury, South Australia

John C. Radcliffe, Declan Page, Bruce Naumann, Peter Dillon

《环境科学与工程前沿（英文）》 2017年第11卷第4期 doi: 10.1007/s11783-017-0937-3

摘要： Australia has developed extensive policies and guidelines for the management of its water. The City of Salisbury, located within metropolitan Adelaide, South Australia, developed rapidly through urbanisation from the 1970s. Water sensitive urban design principles were adopted to maximise the use of the increased run-off generated by urbanisation and ameliorate flood risk. Managed aquifer recharge was introduced for storing remediated low-salinity stormwater by aquifer storage and recovery (ASR) in a brackish aquifer for subsequent irrigation. This paper outlines how a municipal government has progressively adopted principles of Water Sensitive Urban Design during its development within a framework of evolving national water policies. Salisbury’s success with stormwater harvesting led to the formation of a pioneering water business that includes linking projects from nine sites to provide a non-potable supply of 5 × 10 m ·year . These installations hosted a number of applied research projects addressing well configuration, water quality, reliability and economics and facilitated the evaluation of its system as a potential potable water source. The evaluation showed that while untreated stormwater contained contaminants, subsurface storage and end-use controls were sufficient to make recovered water safe for public open space irrigation, and with chlorination, acceptable for third pipe supplies. Drinking water quality could be achieved by adding microfiltration, disinfection with UV and chlorination. The costs that would need to be expended to achieve drinking water safety standards were found to be considerably less than the cost of establishing dual pipe distribution systems. The full cost of supply was determined to be AUD$1.57 m for non-potable water for public open space irrigation, much cheaper than mains water, AUD$3.45 m at that time. Producing and storing potable water was found to cost AUD$1.96 to $2.24 m .

关键词： Managed Aquifer Recharge (MAR) Stormwater harvesting Water recycling drinking water Low impact development Water sensitive urban design

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Design and evaluation of control strategies in urban drainage systems in Kunming city

Xin Dong, Senchen Huang, Siyu Zeng

《环境科学与工程前沿（英文）》 2017年第11卷第4期 doi: 10.1007/s11783-017-0968-9

摘要： Real time control (RTC) of urban drainage systems (UDSs) is an important measure to reduce combined sewer overflow (CSO) and urban flooding, helping achieve the aims of ‘Sponge City’. Application of RTC requires three main steps: strategy design, simulation-based evaluation and field test. But many of published RTC studies are system-specific, lacking discussions on how to design a strategy step by step. In addition, the existing studies are prone to use hydrologic model to evaluated strategies, but a more precise and dynamic insight into strategy performance is needed. To fill these knowledge gaps, based on a case UDS in Kunming city, a study on RTC strategy design and simulation-based evaluation is performed. Two off-line volume-based RTC strategy design principles, and , are emphasized. Following these principles, a detailed design procedure is shown for the case UDS resulting in three RTC strategies: static, constant and equal filling. The proposed strategies are evaluated based on a hydrodynamic model- Storm Water Management Model (SWMM) - under four typical rainfall events characterized by different return periods (1-year or 0.5 year) and different spatial distributions (uniform or uneven). The equal filling strategy outperforms other two strategies and it can achieve 10% more CSO reduction and 5% more flooding reduction relative to the no-tank case.

关键词： Urban drainage system Real time control Static strategy Constant strategy Equal filling strategy

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From understanding to designing soundscapes

Jian KANG

《结构与土木工程前沿（英文）》 2010年第4卷第4期页码 403-417 doi: 10.1007/s11709-010-0091-5

摘要： Soundscape represents a step change in the field of environmental acoustics in that it combines physical, social, and psychological approaches. Although the term soundscape was introduced in the 1960s, significant attention to it has mainly been paid in the last decade or so in the community of environmental acoustics by researchers and recently by practitioners including policy makers. This paper explores the current situation and future challenges in soundscape. Starting with a framework on research and practical needs in soundscape and a brief introduction of some recent/current networks, activities, projects, and publications, this paper then presents a systematic review of recent progress in soundscape research and practice. A short review of the soundscape research in China is also given.

关键词： soundscape environment sound design urban landscape

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城市设计竞争力评价体系研究

邹宁,张克俊,孙守迁,徐江

《中国工程科学》 2017年第19卷第3期页码 111-116 doi: 10.15302/J-SSCAE-2017.03.016

摘要：

随着知识网络时代的到来，创新设计在提升国家和城市核心竞争力、建设创新型国家进程中将发挥越来越突出的作用。本文通过分析影响城市创新设计能力水平的内在因素及其作用机理，初步构建起反映城市设计竞争力水平的综合评价体系，并选取国内外典型城市进行实证分析，最后给出提升城市设计竞争力水平的建议。城市设计竞争力评价体系研究对于科学衡量城市设计竞争力的大小、帮助城市客观认清自身的优劣势具有重要意义。

关键词：创新设计城市设计竞争力评价体系

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规划首都发展蓝图，为城市现代化建设作贡献——北京市城市规划设计研究院

《中国工程科学》 2000年第2卷第5期页码 90-90

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Effects of design parameters on rooftop photovoltaic economics in the urban environment: a case study

Hongying ZHAO, Rebecca YANG, Chaohong WANG, W. M. Pabasara U. WIJERATNE, Chengyang LIU, Xiaolong XUE, Nishara ABDEEN

《工程管理前沿（英文）》 2019年第6卷第3期页码 351-367 doi: 10.1007/s42524-019-0023-6

摘要： Many researchers found high potential of adopting building photovoltaic (PV) systems in urban areas, especially on building rooftop, to improve the sustainability of urban environment. However, the optimal energy output performance and economic benefit of the PV system are affected by the usable roof area, PV array layout, and shading effect considering high city density. This study aims to understand the effects of these design parameters in the urban environment of rooftop PV’s economic performance. This study carries out a case study in the urban area of Melbourne with 90 PV designs under three shading conditions to generate 270 scenarios. Through a lifecycle cost-benefit analysis, including net present value (NPV), NPV per kW, internal return rate (IRR), and payback year, the results can help in developing a comprehensive understanding of the economic performance of rooftop PV designs that cover most of the urban areas of Melbourne. The optimal PV design scenarios for the urban environment are identified, thereby providing investors and industry professionals with useful information on value-for-money PV design. Meanwhile, the maximum shading loss that makes the PV systems financially unfeasible is investigated, and design scenarios with greatest ability to sustain the shading effect are identified. This research can also support the policy makers’ decision on the development and deployment of the roof PV systems in urban planning.

关键词： building photovoltaics tilt and azimuth orientation shading analysis economic analysis

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以上海10 km² 的近零能耗区项目为例浅谈作为城市基础设施的人力- 能源-水资源联动系统的地理设计方案 Article

Perry Pei-Ju Yang, Cheryl Shu-Fang Chi, Yihan Wu, Steven Jige Quan

《工程（英文）》 2018年第4卷第2期页码 182-189 doi: 10.1016/j.eng.2018.03.014

摘要：

日益显著的气候变化对新的城市设计模式提出了巨大的挑战，我们需将如能源、水资源的使用效率等城市系统的性能元素纳入考虑范围。传统的城市设计模式注重形式的设计过程，却缺乏性能维度的考量。地理设计是一种新兴的方法，该方法更加强调系统性思维、数字技术与地理环境之间的联系。本文介绍了该领域大规模合作研究第一阶段的研究成果，并进一步提出了一种用于区域规模城市设计的地理设计方案，以整合可再生能源生产系统、能源消耗系统及雨水管理系统等，并兼顾了人类的城市生活体验。该方案结合了地理信息系统（GIS）、参数化建模技术和多学科设计优化（MDO）工具，可实现协同设计决策。为了实现近零能耗城市实验区的设计，该方案通过了测试案例的反复推演与调整。我们最终的方案有如下3 个特点：①集成的地理设计和参数化设计：方案采用参数化设计方法，通过自定义程序算法生成焦点尺度的原型，并应用地理设计来评估设计方案的性能；②关注设计流程：方案阐述了设计过程中的问题定义标准、信息的选择标准以及设计决策的制定标准；③多目标优化：测试案例通过性能建模生成指标，并通过多目标计算实验得出原理，从中我们可以得知如何改进该设计。本文总结了基于多学科设计优化（MDO）工具的城市设计方案和基础设施系统建模方案，并描述了随后的实施步骤。

关键词：地理设计城市设计城市基础设施能源表现迭代过程多目标优化

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中尺度机器人群集设计创新：合作式城市传感和测绘场景下的应用 Special Feature on Intelligent Design

Audelia G. DHARMAWAN, Gim Song SOH, Shaohui FOONG, Roland BOUFFANAIS, Kristin L. WOOD

《信息与电子工程前沿（英文）》 2019年第20卷第12期 doi: 10.1631/FITEE.1900384

摘要：由于中尺度机器人具有隐蔽性、便携性等特点，安全与监测领域的中尺度机器人研发越来越受到重视。为实现快速、节能、分布式、自适应、具有鲁棒性和可伸缩的系统，中尺度机器人设计和开发需大量硬件、控制和行为创新。本文从4方面详述其设计和开发过程：（1）嵌入式平台的系谱学；（2）关键系统架构和功能布局；（3）研发和实施中尺度机器人系统的设计原则；（4）为中尺度机器人族群有效集体运作而开发的各种关键算法，及在城市传感和测绘领域的应用。这需要我们对可靠运行的嵌入式硬件需求具有清晰认知，以及在磁感、室内定位、中央模式发生器控制和中尺度器人群体分布式自治方面作出关键创新。虽然在复杂机器人系统设计过程中不可避免采用一些临时方法，但本文主要关注成体系系统的设计过程以及组件设计集成。成体系系统的设计过程为该领域未来系统的开发提供了基础。本文所介绍的设计代表最新发展趋势，可作为其他应用的基准，并推广到其他领域。

关键词：成体系系统设计；中尺度机器人；群集；城市传感

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Climate change and China’s mega urban regions

Chaolin GU, Sunsheng HAN

《结构与土木工程前沿（英文）》 2010年第4卷第4期页码 418-430 doi: 10.1007/s11709-010-0075-5

摘要： China’s mega urban regions are focal points of economic development and environmental concerns. This paper positions four mega urban regions (i.e., the Yangtze River Delta, the Pearl River Delta, the Bohai Bay Area, and the South-eastern Fujian Province) along China’s coast into the national economy and elaborates their development challenges and planning innovations. Mega urban regions in China are spatial consequences of rapid economic transition. They deserve close scrutiny and demands for innovative planning responses in order to maintain their key role in driving economic growth but limiting their greenhouse gas emission.

关键词： climate change mega urban region urban planning

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Treatability aspects of urban stormwater stressors

Anthony N. TAFURI, Richard FIELD

《环境科学与工程前沿（英文）》 2012年第6卷第5期页码 631-637 doi: 10.1007/s11783-012-0420-0

摘要： Pollution from diffuse sources (pollution from contaminants picked up and carried into surface waters by stormwater runoff) has been identified as a significant source of water quality problems in the U.S. scientists and engineers continue to seek solutions that will allow them to optimize existing technologies and develop new ones that will provide the best possible protection to people, wildlife, and the environment. This paper addresses the various pollutants or stressors in urban stormwater, including flow (shear force), pathogens, suspended solids/sediment, toxicants (organic and metals), nutrients, oxygen demanding substances, and coarse solids. A broad overview of the pollutants removed and the removal mechanisms by and of conventional best management practices (BMPs) is also presented. The principal treatment mechanisms of conventional wet ponds, vegetative swales/buffer strips, and wetlands are sedimentation and filtration. These mechanisms have the capability to remove significant amounts of suspended solids or particulate matter and are a vital component of strategies to reduce pollutant loads to receiving waters. In addition, because most of the nation’s receiving water violations are caused by pathogen indicator bacteria, it is of utmost importance that research efforts address this problem. Further research is also needed on the treatment of emerging contaminants in BMPs and on the costs and affects of maintenance and maintenance schedules on the long-term performance of BMPs.

关键词： stormwater wet weather flow urban runoff

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ECOLOGICAL EFFECTS OF NITROGEN DEPOSITION ON URBAN FORESTS: AN OVERVIEW

《农业科学与工程前沿（英文）》 2022年第9卷第3期页码 445-456 doi: 10.15302/J-FASE-2021429

摘要：

● Patterns and effects of N deposition on urban forests are reviewed.

关键词： biodiversity carbon sequestration nitrogen deposition nutrient imbalance soil acidification urban forest

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A survey of physical activity among urban women in China

Shilin DENG MD, Tongyuan LIU,

《医学前沿（英文）》 2009年第3卷第4期页码 463-469 doi: 10.1007/s11684-009-0081-y

摘要： Few studies have been conducted to assess the level of physical activity (PA) of women in China. The purpose of this study was to describe the prevalence of PA among women in Wuhan and explore sociodemographic and behavioral correlation to PA for the population. A total of 1359 community-dwelling women (42.9713.60 years old) participated in this study. The long-version IPAQ was used to define the level of PA. 45.7% of women were considered physically active, and 27.5% were vigorously active. The proportion of physical inactivity was around 26.8%. The total and 4 domains of PA showed significant age, education level, and occupation variation. PA tended to be lower as the age declined. PA in transportation, housework, leisure time, and the total tended to be the lowest or the second lowest among the women aged 18–35 years old. PA tended to be lower as the level of education increased. Among the 5 indices, PAwas the lowest among women with college education, especially those with postgraduate education. PA tended to be the lowest among the women of office staff and instructor or technician. Generally, the total and 4 domains of PA showed significant age, education level, and occupation variation. Physical inactivity appears to be more common among younger women, or college-educated women, office ladies, and female instructor and technicians.

关键词： physical activity urban women China