基于Arias强度维度扩展概念下十字异形、方形桩屏障隔振作用对比研究

摘要
图/表
参考文献(16)
相关文章 (0)

全文: PDF (2368 KB) HTML (1 KB)
输出: BibTeX | EndNote (RIS)

摘要为反映振动信息的幅值、频谱和持时，引入Arias(IP)烈度用于研究不同截面形状的桩（十字异形桩、方形桩）对振动波的衰减作用。同时，将IP值由点及面，进行维度扩展为IA，提出场隔振效果评价值ηIA，从而研究场的整体隔振效果。在此基础上描述维度扩展理论与数值实现方法，编制计算程序，获得十字桩与方桩的IP空间分布场、IA与ηIA值。通过对比发现：若桩截面积较小时，两者隔振效果差异较小；而当截面积较大时，两者差异则非常明显。整体而言：十字异形桩的隔振效果明显优于方桩；局部而言:在近场时，十字桩隔振效果明显优于方桩；在中场时，十字桩隔振效果略次于方桩；在远场时两者差异不大。总而言之，截面形状对隔振效果影响较大，十字异形桩屏障优于方形桩屏障。

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	史海欧1
	张希2
	3
	林本海2
	罗威力2
	罗信伟1

关键词 ： Arias强度, 维度扩展, 十字异形桩

Abstract：In order to reflect the vibration information of amplitude, frequency spectrum and duration, the Arias (IP) intensity parameter is introduced to study the attenuation effect of different cross-section shapes plie (cross shaped and square pile) on vibration wave. At the same time, in order to study the overall vibration isolation effect of field, the IP is expanded from point to surface, and the dimension is expanded to IA. Based on this, the evaluation value ηIA of vibration isolation effect is proposed, and the theory of dimension expansion and numerical realization method are described, and the calculation program is compiled. The IP distribution field, IA and ηIA of cross pile and square pile are obtained and compared. Then discover：If the cross-sectional area is small, the difference between them is small; if the cross-sectional area is large, the difference between them is very obvious. On the whole: the vibration isolation effect of the shaped pile is obviously better than the square pile; on the part: in the near field, the vibration isolation effect of the cross pile is obviously better than the square pile; in the middle field, the vibration isolation effect of the cross pile is slightly inferior to the square pile; in the far field, the difference between the two is not significant. In a word, the cross-section shape has a great influence on the vibration isolation effect, and the cross shaped barrier is better than the square pile.

Key words： the Arias (IP) intensity dimension expansion cross shaped pile

收稿日期: 2020-06-02 出版日期: 2021-11-28

引用本文:

史海欧1，张希2,3，林本海2，罗威力2，罗信伟1. 基于Arias强度维度扩展概念下十字异形、方形桩屏障隔振作用对比研究[J]. 振动与冲击, 2021, 40(22): 259-266.
SHI Haiou1, ZHANG Xi2,3, LIN Benhai2, LUO Weili2, LUO Xinwei1. Vibration isolation effect of cross and square piles based on the concept of dimension expansion of Arias intensity. JOURNAL OF VIBRATION AND SHOCK, 2021, 40(22): 259-266.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2021/V40/I22/259

[1] 时刚, 李永辉. 饱和地基中多排孔远场被动隔振分析[J]. 振动与冲击, 2019, 38(01):37-44.
SHI Gang, LI Yonghui. Passive vibration isolation analysis for far field of multi-row holes in saturated soil[J]. Journal of Vibration and Shock, 2019, 38(01):37-44.
[2] 徐平,闫东明,邓亚虹,夏唐代. 单排非连续刚性桩屏障对弹性波的隔离[J]. 振动与冲击(11):133-137.
XU Ping, YAN Dongming, DENG Yahong, XIA Tangdai. Isolation of elastic waves by discontinuous barrier Composed of a row of rigid piles[J]. Journal of Vibration and Shock (11):133-137.
[3] 刘中宪, 符瞻远, 苗雨, 等. 非连续屏障对Rayleigh波宽频散射三维快速边界元模拟[J]. 振动与冲击, 2019, 38(19):89-97.
LIU Zhongxian, FU Zhanyuan, MIAO Yu，et all. 3-D simulation for broadband scattering of Rayleigh wave by discontinuous barrier based on FMP-IBEM[J]. Journal of Vibration and Shock, 2019, 38(19):89-97.
[4] 张富有, 惠子华, 张松, 等. 多排现浇薄壁管桩 (PCC 桩) 屏障隔振性能研究[J]. 地下空间与工程学报, 2014, 10(6): 1415-1419.
Zhang Fuyou, Hui Zihua, Zhang Song,et all. Study on Multi-row Cast-insitu Concrete Thin wall Pipe Pile(PCC) as Passive Barriers for Ground Vibration Isolation[J]. Chinese Journal of Underground Space and Engineering, 2014, 10(6): 1415-1419.
[5] 刘晶磊, 冯桂帅, 王建华, 等. 轨道交通单排非连续隔振屏障隔振效果模型试验研究[J]. 振动与冲击, 2018 (11): 26.
LIU Jinglei,FENG Guishuai,WANG Jianhua,et all. Model tests for effects of rail transit’s single row discontinuous vibration isolation barriers[J]. Journal of Vibration and Shock, 2018 (11): 26.
[6] 孙立强, 李嘉, 刘彬, 等. 空沟, 碎石填充沟和排桩隔振效果试验研究[J]. 地震工程学报, 2015 (02): 342-348.
SUN Liqiang LI Jia,LIU Bin,et all. Experimental study on vibration isolation effects of open trench,gravel filled trench,and piles in a row[J]. China Earthquake Engineering Journal, 2015 (02): 342-348.
[7] Álamo G M, Bordón J D R, Aznárez J J, et al. The effectiveness of a pile barrier for vibration transmission in a soil stratum over a rigid bedrock[J]. Computers and Geotechnics, 2019, 110: 274-286.
[8] Pu X, Shi Z. Surface-wave attenuation by periodic pile barriers in layered soils[J]. Construction and Building Materials, 2018, 180: 177-187.
[9] Lu J F, Zhang X, Zhang R. A wavenumber domain boundary element model for the vibration isolation via a new type of pile structure: linked pile rows[J]. Archive of Applied Mechanics, 2014, 84(3): 401-420.
[10] Huang J, Shi Z. Application of periodic theory to rows of piles for horizontal vibration attenuation[J]. International Journal of Geomechanics, 2013, 13(2): 132-142.
[11] Coulier P, Cuéllar V, Degrande G, et al. Experimental and numerical evaluation of the effectiveness of a stiff wave barrier in the soil[J]. Soil Dynamics and Earthquake Engineering, 2015, 77: 238-253.
[12] 马蒙, 刘维宁, 丁德云. 地铁列车引起的振动对西安钟楼的影响[J]. 北京交通大学学报, 2010, 34(4): 88-92.
MA Meng , LIU Weining ,DING Deyun. Influence of Metro Train-Induced Vibration on Xi' an Bell Tower[J]. Journal of Beijing Jiaotong University, 2010, 34(4): 88-92.
[13] Foulser‐Piggott R, Stafford P J. A predictive model for Arias intensity at multiple sites and consideration of spatial correlations[J]. Earthquake Engineering & Structural Dynamics, 2012, 41(3): 431-451.
[14] 李雪婧, 吴健, 高孟潭, 等. 基于阿里亚斯烈度估值的概率性地震危险性分析——以四川丹棱县及其周缘为例[J]. 地震工程学报, 2018 (2018 年 03): 555-561.
LI Xuejing , WU Jian , GAO Mengtan,et all. Probabilistic Seismic Hazard Analysis Based on Arias Intensity :A Case Study in Danling County, Sichuan Province and Its Surroundingn Area[J].China Earthquake Engineering Journal, 2018 (03): 555-561.
[15] Persson P, Persson K, Sandberg G. Numerical study of reduction in ground vibrations by using barriers[J]. Engineering Structures, 2016, 115: 18-27.
[16] Badsar S. In-Situ Determination of Material Damping in the Soil at Small Deformation Ratios (In situ bepaling van de materiaaldemping in de grond bij kleine vervormingen)[J]. 2012.