Appropriate Technology Researches On Rural Infrastructure Of Shaanxi Province

There are some blindfold problems existing in the process of China’s ruralinfrastructure construction technology. This paper aims at exploring the solutions andmeasures of the problems.Through surveying the current situation of rural infrastructure in the22provinces(cities)141villages, found out that there is a lack of scientific and effective technicalselection guide in rural infrastructure construction. With the dramatic increase of ruralinfrastructure, the harms caused by the technology in construction used blindly arebecoming gradually emerged. To ensure the sustainability of rural infrastructureconstruction and thus ensure the smooth implementation of the "new countrysideconstruction", it’s necessary to study the choice of the technology used in ruralinfrastructure construction systematically.This paper completed the following tasks and the corresponding results chose ruralinfrastructure technology in Shaanxi Province as the research object, rule by sustainabledevelopment, cut by the applicable technology, start on the theory of system theory,coordination theory and appropriate technology theory, chose the investigation andstudy, quantitative analysis theory and qualitative analysis model as the primaryresearch tools.1. Status of rural infrastructureAnalyzes and summarize the lessons learned in rural infrastructure at home andabroad through research, find out the main problems in construction.2. Appropriate technology theoryBy reading the literature and found that appropriate technology is still in the theoryexploratory stage, the practical application is less. By analyzing background, history,and the relationship between other technologies of the appropriate technology theory, identified the nature of appropriate technology; came up the "technical character" and "technology environment character " concept, cleared that the technology "appropriation"means the interadaptation between "technology character "and" technologyenvironment character "; proposed the cost compensation method, establish thecorresponding mathematical model to explore quantification problem between thematch level of " technical character "and" technology environment character ".3. Appropriate technologies of ConstructionRural infrastructure construction appropriate technology includes technologyselection and use of constructional materials two parts.(1) Analyze the applicability of constructional materials. Explore the keyenvironmental attributes of constructional materials, by improving the traditionalLCCO2model, setting up a multi-period dynamic model, then the calculation of carbonemissions in building materials can be more in line with engineering practice; proposedcarbon reduction measures of constructional materials; taking into account thefunctional attributes and economic attributes while research the environmental attributesof constructional materials, establishing the constructional materials choice method ofrural infrastructure and suitability evaluation model of construction materials.(2) Analyze the applicability of construction technology. Establish the selectionprinciples of rural infrastructure technology; take the construction technology of ruralinfrastructure in Shaanxi Province as the research object, emphasize the key point ofvarious construction appropriate technology; analyze and evaluate the applicability ofvariety constructional techniques with cost compensation method, value engineermethod; propose the selection of technology solutions of rural infrastructureconstruction in Shaanxi Province; study the interaction in all kinds of infrastructuresand the impact of mode and action.4. Evaluation index systemAnalyzes and summarize the reason that the existing similar evaluation indexsystem can not been directly used; establish the evaluation system for the constructionof rural infrastructure; introduce the coordinated development model, provide decisionsupport by assessing the coordination degree, coordination development degree ofenvironment, resources, and economic3factors in construction process; introduce theLEED evaluation methods, to address the shortcomings of coordinated developmentmodel in terms of evaluating the system overall strength; establish revolving seat model,consider the evaluation of both the system coordination and overall strength.5. The promotion and implementation of appropriate technology Summarize the problems existing in promotion and implementation of appropriatetechnologies of rural infrastructure; establish the relevant building frame system in ruralareas based on promoting the implementation of appropriate technology; sum up thecorresponding policy recommendations for the implementation of the strategic,technical regulations and building standards, construction management and publicpolicy awareness and other aspects.