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182 articles for “Concrete”
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Research ArticleOpen accessIn the abstractTruncated Estimate in Log-Binomial Model: Algorithm and SimulationLuyan Dai, Yang Li, Ye ShenProblem statement: Relative risk has concrete meanings of comparing two groups and measuring the association between exposures and outcomes in medical and public health studies. Log-binomial model, using a log link function on binary outcomes, is straightforward to estimate risk ratios, whereas generates boundary problems. When the estimates are located near the boundary of constrained parameter space, common approaches or … …Current Research in Biostatistics, Vol. 2, Issue 1 · 7 May 2012 · 8,294 accessesView PDFCite
Research ArticleOpen accessIn the abstractMain Aspects of Tunnel Muck RecyclingRossana Bellopede, Fabrizio Brusco, Pierpaolo Oreste, Maurizio PepinoProblem statement: Italy is one of the first countries in the world as far as the number of tunnels is concerned. Many new tunnels are currently under construction or have been planned (300 km of railway tunnels and 150 km of road tunnels, some more than 500 m long, but also metropolitan tunnels). Tunnels are usually excavated in mountain areas … …American Journal of Environmental Sciences, Vol. 7, Issue 4 · 14 Sep 2011 · 9,342 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Framework of Successful Executive Information System Development for Education DomainMahamsiatus Kamaruddin, Rozilawati RazaliProblem statement: Education management is a centralized process of planning, monitoring and controlling entities involved in education affairs so that they align with educational aspirations. It normally concerns several layers of administration that requires different types of information from various operational units. Operational units in education however are scattered and managed independently. As a result, most information is isolated where … …American Journal of Applied Sciences, Vol. 8, Issue 10 · 30 Aug 2011 · 7,612 accessesView PDFCite
Research ArticleOpen accessIn the abstractHydrogeological Prognosis with Regard to Realisation of the New Colle Di Tenda Road TunnelCinzia Banzato, Massimo Vincenzo Civita, Adriano Fiorucci et al.Problem statement: The doubling of Tenda pass road tunnel jointing SW France to Piedmont (Italy) was planned to penetrate a complicate rock structure in which several complex play an hydrogeologic role including carbonate-Karst aquifer between flysch impervious complexes. The main problem of the project is the presence of an hydraulic circulation feeding a spring of social and economic great importance … …American Journal of Environmental Sciences, Vol. 7, Issue 1 · 28 Feb 2011 · 7,367 accessesView PDFCite
Research ArticleOpen accessIn the abstractVedas and the Development of Arithmetic and AlgebraGurudeo Anand TularamProblem statement: Algebra developed in three stages: rhetorical or prose algebra, syncopated or abbreviated algebra and symbolic algebra-known as “school algebra”. School algebra developed rather early in India and the literature now suggests that the first civilization to develop symbolic algebra was the Vedic Indians. Approach: Philosophical ideas of the time influenced the development of the decimal system and arithmetic … …Journal of Mathematics and Statistics, Vol. 6, Issue 4 · 31 Dec 2010 · 8,268 accessesView PDFCite
Research ArticleOpen accessIn the abstractInvestigation of Abutment Displacement of a Full Height Integral Bridges in Dense Granule BackfillM. H. Alizadeh, A.R. Khalim Rashid, Zamri Chik, S. M. MirhosseinyProblem statement: In this study, the behavior of abutment wall in full height frame integral abutment bridges was investigated. It was seen that the effect of backfill soil resistance on behavior of abutment wall movement is mostly neglected in previous studies. In this research, the final bridge superstructure displacement under temperature-induced forces was formulated. In addition, according to the final … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 4 · 30 Nov 2010 · 8,357 accessesView PDFCite
Research ArticleOpen accessIn the abstractLeveraging Appreciative Intelligence for Positive Enactment in Times of Uncertainty: A Case Study of a Small Investment FirmSusan Schick Case, Tojo ThatchenkeryProblem statement: How do we develop a complex understanding of markets and environments? Are markets and environments concrete entities that exist “out there” or are they socially constructed by human imagination and intentional language use? Approach: Using a case study approach, the interactions in a small investment firm were analyzed to bring to surface the complex relationship among markets, enactment … …American Journal of Economics and Business Administration, Vol. 2, Issue 2 · 30 Jun 2010 · 7,556 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Model of Pulpit Conservation and Revitalization Using Community Participation of Phu-Thai People in Northeast ThailandBunkoet Laomi, Songkoon Chantachon, Niyom WongphongkhamProblem statement: This thesis aimed to examine the following issues of the pulpits: (1) background of the model and structure, (2) current conditions and problems of pulpit construction using participation of Phu-thai people in northeast Thailand and (3) model of conservation of revitalization of pulpits by participation of Phu-thai people. Approach: Data were collected from documents and field study in … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,919 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Role of Trade Regulations in the Sustainable Management of Natural ResourcesAbhijeet MukherjiProblem statement: The complex issues involved in the role of trade regulations in sustainable management of natural resources have necessitated intensive research in this area. Approach: Hence this study highlights the fact that while the international community is making efforts to take concrete actions to protect the environment, mitigate the negative impacts of increased trade and promote the positive impacts … …American Journal of Economics and Business Administration, Vol. 1, Issue 4 · 31 Dec 2009 · 7,237 accessesView PDFCite
Research ArticleOpen accessIn the abstractRestrained Shrinkage-Induced Cracking of Light Weight High Performance Fiber Reinforced Cementitious CompositesShaikh Faiz Uddin Ahmed, Hirozo MihashiProblem statement: Shrinkage induced cracking cause damage to reinforced concrete structures. An experimental study was conducted on restrained shrinkage test of cement mortar and light weight High Performance Fiber Reinforced Cementitious Composites (HPFRCC). Approach: Two types of light weight HPFRCC and a premix mortar containing small amount of fiber were included in the experiment. Results: Results showed the multiple cracks, … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,374 accessesView PDFCite