scholarly journals Roads and development = environment and energy?

2017 ◽  
Vol 18 (1) ◽  
pp. 52-65
Author(s):  
Deborah C. Menezes ◽  
Kanchana N. Ruwanpura

Investment in large-scale infrastructure, after a lull, has accelerated in the last decade, where roads in particular feature predominantly in development initiatives globally. While conventionally academic interventions have primarily focused on infrastructure in relation to economic development processes and its promises of modernity, more recently these arguments extended to diverse processes of environmental, economic, political and social change. Scepticism surrounding road infrastructure development interrogates whether this form of infrastructure development is justifiable. In particular, the faith placed on roads to catalyze trade, create profitability, enhance economic opportunities of local communities living adjacent to new road infrastructure projects and its ability to mitigate environmental concerns are noted concerns. Our review draws together and extends these arguments, claiming that while social, political and economic processes, and consequences of road development have undergone recurrent assessment, gaps in addressing environmental and energy aspects prevail. Given the central import of climate and environmental change at the current juncture, thus, there is also a pressing need to articulate and examine this in future work.

Author(s):  
Entang Adhy Muhtar ◽  
Darto Miradhia ◽  
Rd. Ahmad Buchari ◽  
Riki Satia Muharam

The toll road development policy of Cikopo-Palimanan tends to have an impact on changes in the social and economic conditions of the people targeted and outside the development target. On the other hand, the impact on the economy includes how employment patterns, business growth, and investment. Therefore in this study it is important to analyze How the Impact and Strategy of the Infrastructure development of the Cipali toll road generated in Majalengka District. The research method used was descriptive qualitative method with the determination of informants. The results of the study are that the impact of toll road infrastructure development on socio-economic changes, especially in mapping in Majalengka Regency with 3 research locations, in general, the changes lead to positive changes, this can be seen from economic growth above 6% per year, the industrial sector and investment are growing very rapidly, there is stretching of the economy, especially the informal sector which is increasingly dynamic. However, it is recognized that in some sectors of infrastructure development it does not necessarily mean that the community will immediately feel the benefits.


2018 ◽  
Vol 1 (4) ◽  
pp. 22-29
Author(s):  
Rahmad Fuadi ◽  
Muhammad Isya ◽  
Renni Anggraini

The limited funding of the Aceh Jaya regency government for development, including the construction of road infrastructure and the way in which road construction projects are still inaccurate and the process of budgeting unproportional work package by the Aceh Jaya regency government itself has not been able to fully meet the needs of road development in Aceh Jaya. Therefore, the need for priority scale that can be used as the basis of consideration in the process of development of road infrastructure development program. The purpose of this study is to determine the priority order of several road infrastructure development projects in Aceh Jaya regency by selecting or considering the appropriate criteria and according to development condition in Aceh Jaya regency using Multi Criteria Analysis (MCA) method. The weight of each criterion was calculated based on an assessment of the importance between the criteria obtained by interviewing stakeholders in Aceh Jaya regency government, while the alternative road performance score was obtained by analyzing and calculating the scale of the assessment quantitatively against each criterion based on secondary data obtained from related offices. Selected criteria are accessibility, environmental aspect, area development aspect, social aspect and development cost. Social aspect criteria get the highest weight of 0.279, it can be interpreted that social aspect is the main consideration in determining priority of road development in Aceh Jaya regency, because social aspect see influence of economic growth and social welfare of society from development of road infrastructure.  Based on the consideration of these criteria, the order of priority scale of road construction project in Aceh Jaya regency, where road in Calang city, Krueng Sabee sub-district is the first priority with score value 6,72.


Author(s):  
Angie Lorena Ruiz Robles ◽  
Jose Alberto Guevara Maldonado

Awareness of the importance of sustainable development has made many governments prioritize the adoption of green measures. The road infrastructure sector is no stranger to this and has been transforming its processes in such a way that they incorporate more sustainable practices. However, the inclusion of this type of practice has not been an easy task, since the adoption of these practices results from a decision-making process that is affected by the context of potential adopters, as well as other external parameters such as institutional, environmental, socioeconomic factors, etc. This study aims to identify the main variables that affect the adoption of sustainable practices in the development of roadways in Colombia. Through the application of the Bass Diffusion model concept, the most influential variables were identified and a Causal Loop Diagram (CLD) was built to understand the dynamics and feedback processes between them. External variables such as the popularity of the green technique, guidelines existence, and costs associated with them are significantly influential in the inclusion of green measures. Additionally, the level of influence of each variable is assessed through the formulation of a system dynamics model and the evaluation of different scenarios. Finally, a set of recommendations to overcome barriers in the process of green measures adoption is given. This model can be used as a support tool in formulating strategies that promote sustainable practices in road development.


2020 ◽  
Vol 14 (1) ◽  
pp. 179-193
Author(s):  
Chukwuma Onwuagana Okafor

Road infrastructure is one of the major channels of economic development in Nigeria. This study critically examined some of the factors that affect road infrastructure development in Akwa-Ibom State, Nigeria. The study made use of primary data through the use of questionnaire shared to respondents in various professions in the state. The data was analyzed using the relative significance index (RSI). The result showed that over-dependence of road development on public financing was the major factor impacting road infrastructure in Akwa-Ibom state. Also, absence of specific ministry/agency saddled with role of road infrastructure development was the least ranked factor affecting road development in the state. The study thus recommended, among others, that there should be a holistic technical evaluation and cost assessment of road projects before its inclusion into annual budgets. Key Words: Road, Infrastructure, economic, development, Nigeria


Wahana ◽  
2019 ◽  
Vol 22 (1) ◽  
pp. 15-27
Author(s):  
Suripto Suripto ◽  
Eva Dwi Lestari

Economic growth is one indicator to measure  the success of economic development in a country. Economic development is closely related to infrastructure. Infrastructure development will have an impact on economic growth both directly and indirectly. Therefore, the role of the government in determining infrastructure development policies is very important to increase economic growth in Indonesia. The purpose of this study is to determine the effect of infrastructure on economic growth in Indonesia including road infrastructure, electricity infrastructure, investment, water infrastructure, education infrastructure and health infrastructure in Indonesia in 2015-2017.The analytical tool used in this study is panel data regression with the approach of Fixed Effect Model. The spatial coverage of this study is all provinces in Indonesia, namely 34 provinces, with a series of data from 2015 to 2017 with a total of 102 observations. The data used is secondary data obtained from BPS Indonesia.The results of the study show that (1) the road infrastructure variables have a negative and not significant effect on GDRP. (2) electrical infrastructure variables have a negative and not significant effect on GDRP. (3) investment variables have a positive and significant effect on GDRP. (4) water infrastructure variables have a positive and not significant effect on GDRP. (5) educational infrastructure variables have a positive and not significant effect on GDRP. (6) health infrastructure variables have a positive and significant effect on GDRP. Keywords: development, infrastructure, investment, GDRP, panel data


Author(s):  
C. Nataraj

Abstract A single link robotic manipulator is modeled as a rotating flexible beam with a rigid mass at the tip and accurate energy expressions are derived. The resulting partial differential equations are solved using an approximate method of weighted residuals. From the solutions, coupling between axial and flexural deformations and the interactions with rigid body motions are rigorously analyzed. The emphasis in the current paper is not on an exhaustive analysis of existing systems but it is rather intended to compare and highlight the various flexibility effects in a relatively simple system. Hence, a nondimensional parametric analysis is performed to determine the effect of several parameters (including the rotating speed) on the errors and the individual interaction effects are discussed. Comparison with previous work in the field shows important phenomena often ignored or buried in large scale numerical analyses. Future work including application to multi-link robots is outlined.


2021 ◽  
Author(s):  
Luc Hellemans

<p>For the coming ten years, the heart of Europe will turn into a gigantic construction site for works on one of the largest hubs of the continent: Antwerp. The Oosterweel Link is the project whereby the motorway ring around Antwerp is undergoing a metamorphosis to reinvigorate traffic flow and add living space to the City. The project had come to a standstill for several years as a result of protests by assertive citizens, but was given a second lease of life following a large-scale participation project.</p><p>To ensure its successful completion, unparalleled efforts are being made in the field and in the area of digitization. It is therefore with good reason that in Belgium the project is referred to as “the construction site of the century”.</p>


2020 ◽  
Vol 6 (1) ◽  
pp. 5-12
Author(s):  
J.B. Zhang ◽  
J.K. Tomberlin ◽  
M.M. Cai ◽  
X.P. Xiao ◽  
L.Y. Zheng ◽  
...  

The larvae of the black soldier fly (BSF), Hermetia illucens L., are commonly associated with decaying organic wastes. Over the past 15 years, investigators in China have conducted extensive research exploring the use of BSF larvae to recycle organic materials as a means to protect the environment, while producing products of value, such as protein and bioenergy. Initial efforts were based on a BSF strain from the USA. However, since then, H. illucens strains from specimens collected in Hubei and Guangdong Provinces have been established and used as models to explore the use of this species in sustainable agriculture. China has played an instrumental role in developing an in-door breeding method using a quartz-iodine lamp rather than depend on natural sunlight. This discovery has allowed the establishment of in-door BSF colonies in regions throughout the world where abiotic conditions (i.e. cold temperatures) are preventative. Researchers in China paved the way for using microbes as a means to enhance BSF production including, enhancing BSF egg-laying as well as waste reduction. Furthermore, bacteria from BSF gut or waste can be cultured and used to promote BSF growth, shorten conversion time, and enhanced conversion efficacy. Recent efforts have demonstrated BSF larvae can degrade antibiotics as well as suppress noxious odours in livestock manure. Due to the efforts of research on BSF in China, numerous companies that recycle organic waste at a large scale (>20 tonnes waste digested/day), have been established. Resulting products include insect powder, and live BSFL that can be used as animal feed ingredients for livestock (e.g. eels and frogs), while protecting the environment. Future work will decipher the mechanisms regulating BSF larval conversion of organic waste so that the system can be optimised. However, efforts are still needed at the government level to establish quality assurance standards if this process is truly to become established as an industry in China.


2011 ◽  
Vol 23 (4) ◽  
pp. 64-79 ◽  
Author(s):  
Diane Kelly

The development of scientific software is usually carried out by a scientist who has little professional training as a software developer. Concerns exist that such development produces low-quality products, leading to low-quality science. These concerns have led to recommendations and the imposition of software engineering development processes and standards on the scientists. This paper utilizes different frameworks to investigate and map characteristics of the scientific software development environment to the assumptions made in plan-driven software development methods and agile software development methods. This mapping exposes a mismatch between the needs and goals of scientific software development and the assumptions and goals of well-known software engineering development processes.


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