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Installation Resistance Calculation and Bearing Capacity Set-Up Prediction of Jacked Pile

Author: LiuHui
Tutor: ZhangMingYi
School: Qingdao Technological University
Course: Geotechnical Engineering
Keywords: Static pressure pile Penetration mechanism Pile driving resistance Lateral resistance degradation Time effect of bearing capacity
CLC: TU473.1
Type: Master's thesis
Year: 2009
Downloads: 45
Quote: 2
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Abstract


With the development of urbanization and high-rise buildings in the city , increasing the pile foundation and more widely . Compared with other types of piles of jacked pile noise , vibration , pollution-free characteristics more and more loved by the engineering staff . But the study of the theoretical aspects of jacked pile lagging far behind in the practical application of engineering , theoretical analysis , combined with previous studies done live prototype testing , static pile mechanism of penetration into the pile , the pile driving resistance and long-term carrying capacity forecast a more in-depth study . The main work of this paper are as follows : ( 1 ) in-depth research into the pile static pile mechanism of pile driving and pile driving in different soil characteristics and comparative analysis of jacked pile between the pile driving process and the the static sounding penetration process the similarities and differences . Analysis of the impact of the three factors of the different materials, the penetration rate and the size effect on the resistance of pile driving , the static sounding better use of data to estimate the resistance of Jacked Pile Driving basis . (2) in the collected research results at home and abroad on the basis of analysis of pile driving process side resistance degradation mechanism : summarized the side resistance degradation principle to reduce the resistance of pile driving , as well as the side resistance degradation in engineering practice . ( 3) consider the side resistance degradation calculate the basic formula of the pile driving resistance and calculation procedures using Visual Basic language . Use of the Shanxi Taiyuan Proving Ground measured results of the prototype test program calculates the contrast with the results obtained , the verify formula feasibility . (4) based on BP artificial neural network to establish the long-term carrying capacity of a model to predict the static pressure pile and calculation procedures using Visual Basic language . Testing ground for use in Zhuhai area \The get jacked pile the predicted long-term bearing capacity to the time curve and the measured bearing capacity ~ time curve were analyzed to verify the accuracy of the results .

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > Pile foundation and deep foundation > Pile
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