Simplified computational methods for estimating dynamic impedance of batter pile groups in homogeneous soil

Cemalovic Miran; Husebo Jan B.; Kaynia Amir M.

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Simplified computational methods for estimating dynamic impedance of batter pile groups in homogeneous soil

机译：均匀土壤抗桩群估算动态阻抗的简化计算方法

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摘要

A simplification of existing analytical solutions together with an extended hybrid model is proposed for estimating the horizontal impedance of batter pile groups subjected to harmonic loading. The solutions are given through compact interaction factors and analogue pile-soil-pile interaction elements. Benefits and pitfalls of the simplified models are elucidated through a comprehensive comparison with a refined finite element model. The effect of varying center-to-center pile distance with respect to depth is discussed. It is shown that the analytical model is able to represent pile-soil-pile interaction rather well within the specified framework.

机译：提出了一种与扩展混合模型一起的现有分析解决方案的简化，用于估计受谐波载荷的面糊桩基的水平阻抗。通过紧凑的相互作用因子和模拟桩土桩相互作用元素给出了解决方案。通过与精制的有限元模型进行全面比较，阐明了简化模型的益处和陷阱。讨论了不同中心到中心桩距离相对于深度的影响。结果表明，分析模型能够在特定框架内相当良好地代表桩土桩相互作用。

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来源
《Earthquake Engineering & Structural Dynamics》 |2021年第14期|3894-3915|共22页
作者
Cemalovic Miran; Husebo Jan B.; Kaynia Amir M.;
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作者单位

Sweco Norway AS Struct Engn Technol Bergen Norway|Norwegian Univ Sci & Technol Dept Struct Engn Bergen Norway|Fantoftvegen 14P N-5072 Bergen Norway;

Sweco Norway AS Struct Engn Technol Bergen Norway|Western Norway Univ Appl Sci Dept Civil Engn Bergen Norway;

Norwegian Univ Sci & Technol Dept Struct Engn Bergen Norway|Norwegian Geotech Inst Earthquake Engn Offshore Energy Computat Geomech Oslo Norway;

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正文语种 eng
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关键词
batter piles groups; complex stiffness; geodynamics; interaction factor; pile-soil-pile interaction; strucutral dynamics;

机译：面糊桩基;复杂刚度;地球动力学;相互作用因子;桩土桩相互作用;结构动态;

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1. An Simplified Method To Estimate Dynamic Response Of Soil-Pile-Building Interaction System In Large Strain Levels Of Soils [J] . Shinichiro Tamori, Masanori Iiba, Yoshikazu Kitagawa 日本建築学会构造系論文集 . 2000,第531期

机译：估算大应变水平下土-桩-建筑物相互作用系统动力响应的简化方法
2. Computation of pile kinematic bending moments in non-homogeneous soil profiles. Testing the validity of a simplified Vs30-equivalent homogeneous medium [J] . Alamo Guillermo M., Aznarez Juan J., Padron Luis A., Soil Dynamics and Earthquake Engineering . 2020,第Apra期

机译：非均匀土壤剖面中桩运动学弯矩的计算。测试简化的等效于Vs30的均质介质的有效性
3. Simplified method of estimating the dynamic impedance of a piled raft foundation subjected to inertial loading due to an earthquake [J] . Nagai Hiroshi Computers and Geotechnics . 2019,第JANa期

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4. A SIMPLIFIED COMPUTATIONAL METHOD OF LATERAL DYNAMIC IMPEDANCE OF SINGLE PILE CONSIDERING THE EFFECT OF SEPARATION BETWEEN PILE AND SOILS [C] . Desen Kong, Maotian Luan, Xianzhang Ling, Recent Development of Geotechnical and Geo-Environmental Engineering in Asia . 2006

机译：考虑桩与土分离作用的单桩侧向动力阻抗简化计算方法
5. Dynamic soil-pile interaction by random vibration methods. [D] . Fotouhi, Mohammad. 2014

机译：通过随机振动方法进行动态土-桩相互作用。
6. Uncertainty in Aspiration Efficiency Estimates from Torso Simplifications in Computational Fluid Dynamics Simulations [O] . Kimberly R. Anderson, T. Renée Anthony -1

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7. THEORETICAL STUDY ON AN ANALYSIS METHOD OF ULTIMATE LATERAL RESISTANCE OF VERTICAL AND BATTER PILES UNDER HORIZONTAL AND INCLINED LOADS : Part 4 : An analysis method for the ultimate lateral resistance of free-headed short piles and free-headed arbitrary length piles [O] . MAKOTO KOUDA, AKIRA ENAMI 1987

机译：水平倾斜荷载下垂直和桩桩最终横向电阻分析方法的理论研究：第4部分：自由抬头短桩的最终横向电阻分析方法和自由头垂直桩
8. Evaluating a Simplified Method to Estimate Compaction of Soils and Aggregates [R] . McHatti, R., Brownwood, J. 2007

机译：评估简化方法估算土壤和集料压实度

Simplified computational methods for estimating dynamic impedance of batter pile groups in homogeneous soil

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