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2006年03月21日

【期刊论文】Shaking table testing of a U-shaped plan building model

吕西林, Xilin Lu, Huiyun Zhang, Zhili Hu, and Wensheng Lu

,-0001,():

-1年11月30日

摘要

In this paper, the dynamic response of a very complex structure which has U shaped flexors and specially shaped slant culumns is described. Shaking table tests of a scale model of the building were taxied out to verify the safety of the structure and to, confirm the resulis of a finite element analvsis of the building. The elastic finhe element analysis was done with the help of Super SAP 93, a well-known structural analysis program. From the shaking table test and the finire element analysis, the dynamic eharaeleristics of the building and its maximum responses were evaluated In the ehlastic reeion the analytical results were in good agreement wilh the test results At the end of this paper, some suggestions are given for engineering design of this type of structures

shaking lable test, structural model slant column, U-shaped plan, finite element unalysis, seismic response

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2006年03月21日

【期刊论文】Study on a new shear wall system with shaking table test and finite element analysis

吕西林, Xilin Lu*, † and Xiaohan Wu

Earthquake Engng Struct. Dyn. 2000; 29: 1425-1440,-0001,():

-1年11月30日

摘要

A new seismic energy dissipation shear wall structure is proposed in Ibis paper. Tile new shear wall is one with purposely built-in vertical slits within the wall panel, and rubber belts as seismic energy dissipation devices are installed in the vertical slits. In order to verify this concept, shaking table tests of a 1O-storey shear wall modcl with rubber belts filled in the vertical sifts were carried out, and comparison of seisndc behaviour was made between the new shear wa]l system and a shear wall with reinforced concrete connecting beams as energy dissipation, Furthermore, the seismic behaviour of this new shear wall is analysed by a finite element time history analysis method The test and analysis show thai the new shear wall system has a very good ability to dissipate seismic energy and is easy to use in engineering practice.

reinforced concrctc, shear wall, shaking table test, seisndc energy dissipation, finite element method, time history analysis

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2006年03月21日

【期刊论文】Computer simulation of the dynamic layered soil-pile-structure interaction system1

吕西林, Xilin Lu, Peizhen Li, Bo Chen, and Yueqing Chen

,-0001,():

-1年11月30日

摘要

A three-dimensional finite element analysis of the soil-pile-structure interation system is presented in this paper. The analysis is based on data from shaking table model tests made in the StaTE Key Laboratory for Disaster Re-duction in Civil Engineering. Tongji Universtiyt. China. The general finite element program ANSYS is used in the anal-ysis. The surface-to-surface contact element is taken into consideration for the nonlinearity state of the soil-pile interface. and an equivalent linear model is used for soil behavior. Acomparison of the results of the finite element analysis with the data from the shaking table tests is used to validate the computational model. Furthermore, the reli-analysis with the data from the shaking table tests is used to validate the computational model. Furthermore, the reli-ability of the test result is also verified by the simulation analysis. It shows that speration, closing, and sliding exist between the pile foundation and the soil. The distribution of the amplitude of strains in the pile, the amplitude of con-tact pressure, and the ampliude of sliding at the soil-pile interface are also discussed in detail in this paper.

interaction sol-pieu-structure, essai a la table vibrante sur modele, simulation a Iordinateur, programme

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2006年03月21日

【期刊论文】钢筋混凝土核心筒体抗震性能试验研究

吕西林, LU Xi-lin, LI Jun-lan

地震工程与工程振动,2006,22(3)42~50,-0001,():

-1年11月30日

摘要

本文对两组五个钢筋混凝土核心筒试件进行了低周反复荷载试验,研究了不同轴压比和剪跨比的核心筒破坏机理、承载能力、延性和耗能能力等方面的抗震性能。结果表明,轴压比对核心筒的抗震性能有较大影响。

钢筋混凝土核心筒, 反复荷载, 轴压比, 抗震性能

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2006年03月21日

【期刊论文】组合基础隔震房屋模型振动台试验研究

吕西林, Lu Xilin Zhu Yuhua Shi Weixing Sake Udea Feng Demin Miyana Takafumi

土木工程学报,2001,34(2)43~49,-0001,():

-1年11月30日

摘要

基础隔震能有效地降低上部结构的地震作用,但不同的隔震体系,隔震效果不同。本文根据叠层橡胶支座和滑板摩擦隔震支座的特点,提出组台基础隔震系统,以中国和日本国的在建隔震房屋为工程背景,进行了组合基础隔震房屋模型和基础固定房屋型模拟地震动振动台试验,并对两种试验结果进行了能量分析,分析结果表明组合基础隔震系统中叠层橡胶支座能自动复位,滑板摩擦隔震支座具有良好的耗能能力,隔震效果明显,组合基础隔震系统是一种简单、经济、有效具有广泛应用价值的基础隔震形式。本文获得的大量振动台试验结果可以为隔震设计和加固中使用这种隔震系统及进一步的理论分析提供重要依据。

组合基础系统, 模型试验, 耗能

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