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Research on Dynamic Consolidation Mechanism and Eigineering Application of Rock Filling Foundation

Author: LiNing
Tutor: ZhaoMingHua；LiuYiHu
School: Hunan University
Course: Architecture and Civil Engineering
Keywords: Rock filling foundation Dynamic compaction method Reinforce mechanism Construction parameters Quality check
CLC: TU472.31
Type: Master's thesis
Year: 2009
Downloads: 126
Quote: 2
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Abstract


At present, the mechanism of dynamic consolidation of the macro level has been explained better, and as a result of the exceptional nature of soil, from the microscopic point of view to explain the mechanism of the theory of dynamic consolidation less, the paper-and micro-energy conversion from the perspective of the impact of dynamic consolidation the effect of the parameters of the hammer weight, the nature and rammed earth to carry out qualitative and quantitative space of discussion and analysis, given the basis for selection, and Zhuzhou Song River grain warehouse consolidation effect after the dynamic testing of soil test data and analysis of the data to verify the correctness of the theory and desirability.First of all, the law of the dynamic history of the development at home and abroad to carry out a more detailed narrative, and concise describes the characteristics of dynamic compaction and the application and some representative works, a more detailed exposition of the current commonly used reinforcement mechanism through the mechanism of dynamic consolidation of the current development of the existing space for analysis and research and this paper intends to solve.Secondly, tamping to form three-wave transmission in the soil caused by the vibration of the particle with the respective characteristics of the wave-induced vibration analysis on the characteristics of particles on the soil of its three-phase composition, structure, such as micro - changes in the structure of the mechanism, and further from the perspective of micro-fluctuations and to study the dynamic compaction of the reinforcement mechanism of reinforced foundations.Thirdly, according to energy conversion and the momentum theorem to the parameters of dynamic compaction hammer weight and hammer away from the choice of a qualitative analysis of the rubble of land-based dynamic consolidation should take the conclusions of a heavy hammer, combined with the characteristics of soil micro - fully explained the nature of soil reinforcement method for dynamic effects, an analysis of the impact of factors related to ram distance and ram distance between derived factors and their impact on the relationship between the function and at the same time to study other relevant parameters of dynamic compaction of select methods and their effect on reinforcement. Finally, food warehouses Zhuzhou River Song dynamic foundation strengthening works for example, reinforcement of the dynamic parameters of the pre-selection, and dynamic test results before and after a detailed analysis to verify the correctness of the theory and desirability.

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > Artificial foundation reinforcement > Shallow and deep mechanical reinforcement ( compaction ) > Surface of the entire real
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