,grounding,disposal of the lines,shielding,floatation and filtering.
为此,介绍了接地、连接线布置、屏蔽、浮置、滤波5种常用的抗干扰方法,并且指出,对电子产品进行测量时,测量人员要善于分析测量结果,排除各种干扰,才能提高测量的准确性和数据的可靠性。
An analytical model of the single degree of freedom system of a floating floor was established.
建立并求解分析弹簧支承浮置地板单自由度系统动力学模型,从而判明弹簧隔振的特点;根据振动波的传播和隔振弹簧布置位置要求,确定浮置地板有限单元划分,进而建立浮置地板多自由度系统动力学有限元分析模型,求解浮置地板动力学有限元模型在地铁振动激励下的加速度响应;介绍浮置地板振动评价指标———振动加速度级,利用国家有关标准规定,对浮置地板隔振效果进行评价,从而为地铁环境中建筑物浮置地板隔振设计提供依据。
Research purposes: Steel spring floating slab track may solve the problems of vibration and noise caused by the running train on intercity railway,but the construction quality of steel spring floating slab track is a main factor influencing the efficiency of reducing vibration and noise,so it is necessary to do the research on it.
研究目的:钢弹簧浮置板轨道可解决城轨列车运行产生的振动和噪声问题,而浮置板轨道的施工是影响其减振降噪功效的主要因素,因此特作探讨。
Research methods: Establish double layer continuous viscoelastic beam model of floating slab track structure,the(vibration) respon.
浮置板轨道系统具有良好的减振性能,因而在工程中获得了广泛的应用。
A dynamic model for the continuous floating slabs is presented in this paper on the basis of an analysis of floating slab track system.
在对具有浮置板结构的无碴轨道的分析基础上,针对预制式浮置板结构的特点,建立了连续整体型浮置板结构的力学模型,即弹性支撑的Bernoulli-Euler梁模型。
This paper describes the characteristics of the construction technique of floating plate ballast bed for subway at home and abroad and sums up the experience for the reference to the similar construction technique based on the construction technique of floating plate ballast bed with continuous-casting in place-metal elastic buffer in a double-tracked horseshoe-shaped tunnel of Shengzheng subway.
本文通过对深圳地铁一期工程单洞双线马蹄形隧道内 ,连续 -现浇 -金属弹簧隔振器式浮置板道床施工工艺的阐述 ,同时综合国内外地铁浮置板式道床施工工艺特点 ,总结了一些经验和认识 ,以供类似工程施工借鉴。
This paper analyzes the feasibility and necessity of two techniques of laying continuous welded line for one time and anti-vibration roadbed with steel spring floating plate adopted in construction of Beijing urban railway transit at ground level, gives an introduction to these two new construction techniques and achievements.
本文简要地介绍了北京城市铁路地面线轨道建设采用一次铺设无缝线路及钢弹簧浮置板隔震道床两项新技术的必要性、可行性 ,并简要地介绍了这两项新技术的施工工艺及其实施效果 ,其取得的成功应用经验可供今后我国城市铁路轨道建设借鉴。