Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/16272
標題: 考慮土壤結構互制作用下混凝土基樁側推曲線分析
Lateral push-over analysis of reinforced concrete piles with consideration of soil-foundation interaction effects.
作者: 劉柏宏
Liu, Po-Hung
關鍵字: Lateral load pile
側向荷重樁
Push-over analysis
Soil-foundation
側推分析
樁土系統
出版社: 土木工程學系所
引用: 參考文獻 1. 國家地震工程研究中心的簡訊第45期,2003 2. 公路橋樑設計規範,交通部頒佈,2001 3. American Petroleum Institute (1987), "Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms", API Recommended Practice 2A (RP2A), Seventeenth Edition. 4. Applied Technology Council ATC-32. (1996). "Improved Seismic Design Criteria for California Bridge : Provisional Recommendations", Redwood city, California. 5. Broms, B. B. (1964). "Lateral resistance of piles in cohesive soils." Journal of the Soil Mechanics and Foundations Division, American Society of Civil Engineering, 90(SM2), 27-63. 6. Broms, B. B. (1964). "Lateral resistance of piles in cohesionless soils." Journal of the Soil Mechanics and Foundations Division, American Society of Civil Engineering, 90(SM3), 123-156. 7. Das (2007) "Principles of Foundation Engineering", Sixth Edition. 8. Davisson, M. T., and Gill, H. L. (1963). "Laterally Loaded Piles in a Layered Soil System," Journal of the Soil Mechanics and Foundations Division, American Society of Civil Engineering, Vol. 89, No. SM3, pp. 63-94. 9. Davisson, M. T. (1970). "Lateral load capacity of piles." Highway Research Record, No.333, 104-112. 10. Davisson, M. T. and Gill, H. L. (1963). "Lateral loaded Piles in Layered Soil System." Journal of the Soil Mechanics and Foundations Division, ASCE, Vol. 89 (SM3). 11. Den Hartog, J. P. (1987). Advanced Strength of Materials, Dover Publications, New York. 12. Matlock, H., and Reese, L. C. (1960). "Generalized Solution for Laterally Loaded Piles," Journal of the Soil Mechanics and Foundations Division, American Society of Civil Engineering, Vol.86, No. SM5, Part I, pp.63-91. 13. Matlock, H. (1970). "Correlations for Design of Laterally Loaded Piles in Soft Clay", OTC (Offshore Technology Conference) Paper No.1204, Houston. 14. Matlock, H., E. A. Ripperger, and D. P. Fitzgibbon (1956), "Static and Cyclic Lateral-Loading of an Instrumented Pile" a report to Shell Oil Company, 15. Poulos, H. G., and Davis, E. H. (1980). Pile Foundation Analysis and Design, Wiley Interscience, New York. 16. Reese L. C., Cox W. R., and Koop F. D. (1974). "Analysis of Laterally Loaded Piles in Sand" OTC (Offshore Technology Conference), Paper No. 2080, Houston, pp. 473-483. 17. Reese L. C., and Welch R. C. (1975). "Lateral Loadings of Deep Foundations in Stiff Clay" Journal of Geotechnical Eng. Div, ASCE, Vol. 101, No. GT 7, pp. 633-649. 18. Reese L. C., Cox, W. R. and Koop, F. D. (1975), "Field Testing and Analysis of Laterally Loaded Piles in Stiff Clay" OTC (Offshore Technology Conference) Paper No. 2312, Houston, pp.672-690 19. Ronald F. Scott (1981) "Foundation Analysis"(基礎工程分析方法) 20. Shin-Tai Song (2005), "Limit State Analysis And Performance Assessment of Fixed-Head Concrete Piles under Lateral Loading" Ph.D. Thesis University of California at Davis. 21. Vesic, A. S. (1961). "Bending of Beams Resting on Isotropic Elastic Solids," Journal of the Engineering Mechanics Division, American Society of Civil Engineering, Vol. 87, No. EM2, pp. 35-53.
摘要: 在本文中考慮了在某些情況下樁有可能會裸露於地表之上,在這時樁的受力行為又是如何。我們以鋼筋混凝土樁與砂土及黏土進行側推分析,並考慮樁的彈塑性行為,提供在耐震設計上想法。本文先將土壤的側向力係數求出,並與之前研究學者的側向力係數做比較,發現以前的側向力係數參考資料,黏土是低估了側向力值,但砂土是高估,在求取特徵長度值時,考慮會有一個塑性鉸產生,特徵長度會有改變,對側向力係數與特徵長度各有一修正比例。依照地表上樁高度的增加,因為鋼筋量的差異所造成的修正係數不同會逐漸收斂至定值,其中砂土的收斂情況較黏土為更加明顯。將這些結果使用在耐震設計上,可能會提高結構物的耐震能力,雖然樁裸露於地面上的情況不常見,但是在港口、碼頭等地方,樁都是有一部分是暴露在水中與河床之上。此時本研究的成果就能考慮在這些地方。
This thesis discusses push-over response of reinforced concrete piles with different above ground heights. The pile is assumed to be loaded at its pile-head. In the push-over analysis, the moment-curvature response of the pile section is idealized as an elasto-plastic relation. The surrounding soils studied include cohesive and cohesionless soils. The primary goal of this study is to obtain the subgrade coefficient suitable for limit state analysis of concrete piles. Additionally, in order to account for the softening of the soil under large deformation, a modification factor is assessed to modify the stiffness of the soil-pile system after the formation of the plastic hinge at the pile-head. Results indicate that the subgrade coefficient suitable for limit state analysis of soil-pile systems is dependent on the soil properties as well as the reinforcement ratio and the above ground height of the pile. However, the dimension of the pile section does not affect the subgrade coefficient applied. Outcomes of this study can be applied to wharf structures, bridge foundations or piles experienced serious scouring problem.
URI: http://hdl.handle.net/11455/16272
其他識別: U0005-2108201012463800
文章連結: http://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-2108201012463800
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