scholarly journals Urbanizing with Equity Consideration

2017 ◽  
Author(s):  
Guanghua Wan ◽  
Zhi Luo ◽  
Xun Zhang
Keyword(s):  
2017 ◽  
Vol 143 (7) ◽  
pp. 04017028 ◽  
Author(s):  
Chao Lu ◽  
Jie Huang ◽  
Lianbo Deng ◽  
Jianwei Gong

Author(s):  
Rahul Tiwari ◽  
Yogesh Garg ◽  
Utkarsha Negi

Public Transport has been seen since ages as the most environmentally sustainable mode of transport. The users of public transport are diverse and have different socio-economic character. Hence the public transport which is not only supposed to be environmentally sustainable but also envisaged to ensure equity amongst various stakeholders of society like the females, elderly and other vulnerable groups through its service. Gender in binary terms of being differentiated based on men and women is a social construct. Public transport systems in developing countries like India witness socio-cultural factors that shape the experience of women in public spaces by social norms extant in society. Along with this, gender-based issues related to public transport are social and behavioural shortcomings as a consequence of a lack of gender sensitivity. On similar lines, elderly have a negative experience involving safety threats, physical and psychological discomfort while accessing public transport systems. The literature published regarding such issues on the gender and elderly question in public transport systems have been studied and has been brought forth under a stand- alone narrative literature review. A literature review is a prerequisite to conducting either stand-alone reviews or as a preliminary study to be supported with quantitative or qualitative analysis. Here, a stand-alone literature review concerning issues in the public transport system in India has been performed. A narrative type of review is conducted to provide an overview of pre- existing published literature. Narrative overviews are useful educational articles as they help present a broad perspective on a topic and often define the development of a problem and/or ways to manage it. The semi-systematic or narrative-review approach is designed for topics that have been theorized differently and studied within diverse disciplines making it unfavourable to study under a full systematic-review process which majorly caters to reviewing quantitative researches. As narrative-styled literature reviews prefer a semi- systematic data collection method, utmost care has been taken to include perspectives from diverse disciplines. The scope of this review is restricted to summarizing the Indian policies, schemes of public transport in light of socio-equity consideration while narrowing the inherent discrepancies within the socio-cultural ethos of the Indian society which influences socio-equity consideration in public spaces in general and the modes of public transport in particular. Research articles from electronic databases were selected based on relevance to understand the issues this viewpoint, their essential findings and possible recommendations are formulated to provide a comprehensive summary of previous researches.


2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Yufeng Sun ◽  
Min Hu ◽  
Wenbo Zhou ◽  
Wei Xu

This study investigates the pavement network maintenance and rehabilitation (M&R) programming problem, over a certain planning horizon and in the context of limited funding. We designed an integer programming model to fulfill three purposes, namely, optimize the road conditions, minimize user disturbance costs, and minimize agency costs. We present a case study in which this model is applied to the pavement network of Shanghai. We investigate the results through the use of five M&R strategies, to identify the Pareto-optimal trade-offs inherent in developing pavement network M&R planning. The results demonstrate that there is a positive relationship between PCI improvement and user disturbance costs and between PCI improvement and agency costs. Additionally, we conduct a comparative analysis between agency and government-oriented strategies to evaluate the effectiveness and equity consideration. The findings suggest that the government-oriented strategy improves the pavement condition effectively with low user disturbance costs, and the agency-oriented strategy accounts for more equity consideration. Finally, we formulate an extension model that considers multiple road types, for application to pavement network M&R programming. The results show that light rehabilitation and preventive maintenance are the most frequently implemented treatments on arterial roads and secondary trunk roads from the case network implementation. This study helps decision-makers identify the trade-offs made when developing a pavement network M&R program.


2014 ◽  
Vol 535 ◽  
pp. 315-319
Author(s):  
Li An Yan ◽  
Cheng Hu ◽  
Dan Su ◽  
Tong Wang

This article discussed the connotation of minor ecological watershed through investigating Fan River regarded as the researching unit and combining the ideas of philosophy,ecology and psychology.The article also built the equity consideration from four aspects including water resources;environmental resource;social resource;ecology resource to build the theory-practice-theory path and form a ecological watershed criteria which could be widely applied in Liaoning province.


2017 ◽  
Vol 7 (4) ◽  
pp. 297-307 ◽  
Author(s):  
Mathews Junior Chinyama ◽  
Malcolm MacLachlan ◽  
Joanne McVeigh ◽  
Tessy Huss ◽  
Sylvester Gawamadzi

Author(s):  
Mina SAEE BOSTANABAD ◽  
Javad MEHRI-TEKMEH ◽  
Ali Moghanni DEHKHARGHANI

In this paper, multiproduct supply chain network is investigated with equity consideration,namely, obtaining the optimal flow pattern, in such a way that no user in the network can increasehis(her) benefit with change in product’s sending path. However, each kind of products, has anindividual cost function and, at the same time, contributes to its own and other product’s cost functionin an individual way. An algorithm is developed to find optimal flow pattern for such multiproductsupply chain network.


2018 ◽  
Vol 46 (2) ◽  
pp. 33-46 ◽  
Author(s):  
Huo Chai ◽  
Rui-chun He ◽  
Xiao-yan Jia ◽  
Chang-xi Ma ◽  
Cun-jie Dai

Hazardous materials transportation should consider risk equity and transportation risk and cost. In the hazardous materials transportation process, we consider risk equity as an important condition in optimizing vehicle routing for the long-term transport of hazardous materials between single or multiple origin-destination pairs (O-D) to reduce the distribution difference of hazardous materials transportation risk over populated areas. First, a risk equity evaluation scheme is proposed to reflect the risk difference among the areas. The evaluation scheme uses standard deviation to measure the risk differences among populated areas. Second, a risk distribution equity model is proposed to decrease the risk difference among populated areas by adjusting the path frequency between O-D pairs for hazardous materials transportation. The model is converted into two sub models to facilitate decision-making, and an algorithm is provided for each sub model. Finally, we design a numerical example to verify the accuracy and rationality of the model and algorithm. The numerical example shows that the proposed model is essential and feasible for reducing the complexity and increasing the portability of the transportation process.


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