| 路桥过渡段沉降控制指标的研究 |
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| 引用本文： | 陈晓麟,支喜兰.路桥过渡段沉降控制指标的研究[J].公路交通科技,2006,23(2):15-18. |
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| 作者姓名： | 陈晓麟 支喜兰 |
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| 作者单位： | 1. 浙江交通职业技术学院,浙江,杭州,311112
2. 长安大学,陕西,西安,710064 |
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| 摘 要： | 桥头跳车是由于桥台和台背路基产生差异沉降而造成的,因此路桥过渡段容许差异沉降是预防桥头跳车的一个关键问题。本文参照汽车平顺性评价方法,建立3个自由度的车辆-人体-座椅的振动模型,对台背不同差异沉降对行车舒适性的影响进行分析,并结合相关文献资料的结果,提出了路桥过渡段沉降的控制标准。
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| 关 键 词： | 桥头跳车 行车舒适性 容许差异沉降 控制指标 |
| 文章编号： | 1002-0268(2006)02-0015-04 |
| 收稿时间： | 2004-11-04 |
| 修稿时间： | 2004年11月4日 |
Research on Controlling Criterion for Differential Settlement of Bridge Approach |
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| CHEN Xiao-lin,ZHI Xi-lan.Research on Controlling Criterion for Differential Settlement of Bridge Approach[J].Journal of Highway and Transportation Research and Development,2006,23(2):15-18. |
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| Authors: | CHEN Xiao-lin ZHI Xi-lan |
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| Abstract: | The differential settlement of bridge embankments and roadbed result in bridgehead bump,determining the tolerable differential settlement of bridge approach is a key issue for preventing the bump at the end of bridge.In this paper,a mechanic model of man-chair-vehicle system with 3 degrees of freedom is built to analyze the effects on automobile ride comfort due to the differential settlement between roadway approach embankment and bridge structure.On the base of some field survey results,abundant literature and the calculating results in this paper,the controlling criterion for the differential settlements of approach embankment has been put forward. |
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| Keywords: | Bridgehead bump Ride comfort Tolerable differential settlement Controlling criterion |
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