ISSN (Print): 2328-398X

ISSN (Online): 2328-3998

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Currrent Issue: Volume 3, Number 6, 2015


Rheology and Setting Time of Cement Paste

1Huazhong University of Science and Technology, China

2China University of Geosciences, Wuhan-China

American Journal of Civil Engineering and Architecture. 2015, 3(6), 208-211
doi: 10.12691/ajcea-3-6-3
Copyright © 2015 Science and Education Publishing

Cite this paper:
Mbujje Joel Webster, Wei Xiaozheng, Zawedde Aisha. Rheology and Setting Time of Cement Paste. American Journal of Civil Engineering and Architecture. 2015; 3(6):208-211. doi: 10.12691/ajcea-3-6-3.

Correspondence to: Wei  Xiaozheng, Huazhong University of Science and Technology, China. Email:


Experimental results about effect of superplasticizer dosage, fly ash content and water to cement ratio on rheology and setting time are presented. 16 samples are evaluated using a Brookfield laboratory rheometer and a standard vicat needle apparatus. Spread of the samples is also measured using mini slump cone (d1=60mm, d2=35, h=60mm) and an empirical relationship between spread and yield stress is put forward.



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Status of Childrens Outdoor Play in Urban Settings-Casestudy -Nagpur [Maharashtra, India]

1IDEAS, Nagpur and Ph.d scholar at V.N.I.T., Nagpur

2Department of Architecture, VNIT and Her Research Guide

American Journal of Civil Engineering and Architecture. 2015, 3(6), 200-207
doi: 10.12691/ajcea-3-6-2
Copyright © 2015 Science and Education Publishing

Cite this paper:
Kirti D. Bhonsle, V.S. Adane. Status of Childrens Outdoor Play in Urban Settings-Casestudy -Nagpur [Maharashtra, India]. American Journal of Civil Engineering and Architecture. 2015; 3(6):200-207. doi: 10.12691/ajcea-3-6-2.

Correspondence to: Kirti  D. Bhonsle, IDEAS, Nagpur and Ph.d scholar at V.N.I.T., Nagpur. Email:


The built environment is a material, spatial and cultural product of human labor that combines physical elements and energy in forms for living, working and playing. It has been defined as “the human-made space in which people live, work, and recreate on a day-to-day basis”. The “built environment encompasses places and spaces created or modified by people including buildings, parks, and transportation systems”. Apart from the standards of neighborhoods and their delineation, residential built environments are also based on resident’s perception. It is multi-dimensional, dynamic changing with time, space, social groups, technology and lifestyle. Residential built environment also denotes the integrated built context in which individuals live. The study investigates the quantitative aspects of the residential built environments in the city of Nagpur. The paper brings forth the barrier between the perceived and real aspects of the shrinking playable spaces in the residential built environments. It also tries to understand the children’s perception of the play spaces in their neighborhoods. A variety of methods have been used to collect data which included literature survey, research review, observation survey and children’s interviews. The study assessed how children perceived their neighborhood built environment and play provisions offered and identifies their preferences for a range of play opportunities that can be established by community and peoples participation.



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Scenario-based Multi-criteria Prioritization Framework for Urban Transportation Projects

1Department of Civil Engineering and Engineering Mechanics, Columbia University, New York, USA

2Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, USA

3Department of Civil and Environmental Engineering, University of Maryland, College Park, USA

American Journal of Civil Engineering and Architecture. 2015, 3(6), 193-199
doi: 10.12691/ajcea-3-6-1
Copyright © 2015 Science and Education Publishing

Cite this paper:
Muqing Liu, Vahid Balali, Hsi-Hsien Wei, Feniosky A. Peña-Mora. Scenario-based Multi-criteria Prioritization Framework for Urban Transportation Projects. American Journal of Civil Engineering and Architecture. 2015; 3(6):193-199. doi: 10.12691/ajcea-3-6-1.

Correspondence to: Vahid  Balali, Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, USA. Email:


Given unprecedented levels of urbanization and motorization in addition to deteriorating infrastructure in developed countries, cities around the world have been facing the enormous challenge of delivering sustainable forms of infrastructure with fewer resources. The challenges in urban infrastructure investment become even more daunting as manifested by the staggering size of infrastructure funding gap. Therefore, prioritizing projects at the system level based on transparent and evidenced-based decision-making processes has emerged as one of the most promising ways to bridge enormous funding gaps especially for developing countries. To address the current limitations, this paper proposes a scenario-based multi-criteria prioritization framework for urban transportation projects in developing countries and then formulates it. This is done with the efficient use of pre-existing project evaluation information and emergent scenario of various stakeholders’ inputs. The framework is applied to set priorities for nine recent urban transportation projects constructed within a two-year framework in the Tianjin Binhai New Area, China. The results show that the proposed framework could serve as a consistent, robust, and comprehensive infrastructure project prioritization strategy that reconciles diverse perspectives among stakeholders. It also introduces sustainability in urban transportation decision making and links the prioritization process to the transportation planning that precedes it.



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