| Pile foundation is widely used in construction engineering because of its good seismic performance,high bearing capacity,low settlement and the applicability of special foundation.The pile is the core part of pile foundation,pile type selection is related to the construction process and project requirements,project design length and lead to cost differences,selection of pile foundation quality has become a key factor to measure and evaluate the comprehensive benefit of pile foundation engineering.In this paper,the "technical specification" building pile foundation based on the JGJ94-2008,according to the requirements of the specific content,through the pile,branch pile,prestressed concrete pipe and precast pile four pile type pile characteristics,technical factors,economic benefits and environmental impact factors to consider and weigh the main building of a power plant(building structure)the design of the pile foundation engineering example analysis with four kinds of pile type for the degree of plant level analysis and optimum scheme selection optimization of pile foundation pile type selection of the power plant and principal component analysis method based on.Through discussing the four kinds of pile type and related calculation and optimization of binding site analysis results show that when the selection of pile type pile can be achieved when the technical index of safety and reliability,the construction process is simple,the ultimate goal of economic benefits significantly,so that in the main factory built(structure)building materials for the design of pile foundation when choosing the pile relative to the other three kinds of pile type selection can be qualified in the technical requirements under the premise of reducing cost,is the preferred type of pile,the pile foundation design of power plant when the pile in addition,because the technology is relatively mature,but also the appropriate application under special conditions. |
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