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The sudden burst of the property bubble, coupled with current global economic conditions has resulted in a huge decrease in demand for plumbing and heating fixtures in the Irish construction industry. Moreover, inefficient supply chain management policies have imposed further pressures on companies resulting in more system bottlenecks and unnecessary costs. Inventory management is seen as a functional...
The analysis of Land-use change trends and its driving forces is one of the hot issues of global change research, the core of research is how to forecast the tendency of land-use change reasonably and accurately. The dynamic land-use change is very complicated, the traditional GIS method can solve part of the spatial correlation problem well, but it is hard to simulate complex dynamics in spatial...
Three-dimensional (3D) urban geological models (3DUGMS) are a very important support for urban planning, construction and management, for they can reduce the blindness in geological cognition and the huge risk in underground engineering design and construction with the representation of spatial structure and relationships of geological objects and phenomena. This paper firstly divides the data in...
In the management of land resources, reasonably controlling the amount of land use and making the land resources used intensively is an important measure to implement the dustainable development of land resources. Standing on the land use conditions of land resources, this article considers the business of examining land use as the main line. According to the problems which are possiblely existing...
In the field of construction, asymmetry information between owners and contractors leads to a non-cooperative relationship between them for contractors reaping their own economic profits at the expense of owners, nothing but the reasonable and effective incentive mechanism to the contractor can establish a basis on which their partnership and jointly promote success of a project. This paper built...
The super-efficiency DEA (data envelopment analysis) was adopted to establish the efficiency appraisal model of listed construction enterprises, which solved the problem that the traditional DEA model couldn't differentiate the enterprises' ranking when their efficiency value was 1. With the historic data of ten China listed construction enterprises between 2007 and 2008 and building of the operation...
This paper is based upon a case study. Gillard Associates completed the refurbishment of the first of three 1960psilas student accommodation blocks at Atlantic College, Wales in late summer 2008. The refurbishment was predicted to possibly achieve Code for Sustainable Homes level4, through the use of a combination of Archicad BIM and Ecotect Building Performance simulation software.The Cardiff School...
For the sake of realizing the demand of dynamic analysis of change of urban patio-temporal expansion, forecasting of expansion trend and the development of urban patio-temporal expansion model, this paper carry through from four aspects: detailed analyzed the mechanism and rule of change of urban patio-temporal expansion, abstracted important factors that affect urban spatio-temporal expansion features,...
Public Private Partnerships (PPPs) have been applied for twenty years in China. Many problems of PPP projects in China are related to unsuccessful risk management. This paper addresses modeling the critical risk factors (CRFs) that have been identified from the Chinese PPP projects based on a questionnaire survey. The aim of this paper is to find the relationship between the CRFs according to the...
In order to implement the multiple factors and multi-target assessment of real estate investment risk, a model of real estate investment risk evaluation based on fuzzy DEA method was put forward by using the relatively effective evaluation characteristic of Data Envelopment Analysis (DEA). And the feasibility of this method was verified through an example. This study offers a more rational basis for...
Traditional models for panel data were widely used to analyze real estate price impact factors. But traditional models for panel data may cause spatial dependence problems. So spatial and geographical factors should be taken into account. Global spatial autocorrelation Moran's I indices are calculated and local spatial autocorrelation LISAs are figured. Then spatial regression models, including spatial...
Public choice theory can better explain lower input-output efficiency of higher education and lower allocative efficiency of higher educational resources in different provinces of China, and modified quadriform model based regression analysis and discriminant analysis can better distinguish input- output efficiency of different educational units and important associated characters of high efficiency...
According to the characteristic of ldquoquantity price separationrdquo under the pricing pattern of Bill of Quantities, this article utilizes the fuzzy synthesis judgment method, analyzes the price adjustment coefficient of unbalanced bid liner programming model which is established basing on the time value of capital. And then it gives the fuzzy mathematics model of the price adjustment coefficient...
Housing purchasing power measuring is an important issue for the housing guarantee decision making, which has been studied in the static way. However, the consumption structure and income are not changeless. Thus the dynamic model for urban housing purchasing power is proposed and the main idea is as follows. First, construct the income predicting model with the previous income by the least square...
The construction industry has been facing a paradigm shift to (i) increase; productivity, efficiency, infrastructure value, quality and sustainability, (ii) reduce; lifecycle costs, lead times and duplications, via effective collaboration and communication of stakeholders in construction projects. Digital construction is a political initiative to address low productivity in the sector. This seeks...
Building on the extensive research in Virtual Reality (VR), we are proposing a new dynamic prototype for modelling and simulating carbon emissions in a virtual village called VIRVIL. VIRVIL is a simulated settlement for the assessment of the impact of low and zero carbon technologies and measures in the built environment. The prototype will focus on the impact on the community as a whole, as well...
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