道路施工中振动压实过程中压路机与地面的动力相互作用

IF 0.1 Q4 ENGINEERING, CIVIL Romanian Journal of Transport Infrastructure Pub Date : 2016-12-01 DOI:10.1515/rjti-2016-0044
Bejan Sergiu
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引用次数: 7

摘要

填筑道路交通路堤所用的天然土具有以下特点:湿度、孔隙度、韧性。对于描述土壤状态的某些因子值,通过静态或动态机械手段施加外力的影响来区分土壤的某种行为。本文给出了基于作者在博士论文中提出的复杂非线性流变模型的土-压实机相互作用的数值模拟结果,该模型遵循了实土特性(弹性、耗散和塑性)对压实设备(单振动辊)的影响。根据实验数据的处理结果,对模型进行了协调和赋值。采用Matlab专用软件包(Simulink、SimMechanics)进行仿真建模。所得结果揭示了设备的真实性能及其对压实土的作用。
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The Roller-Ground Dynamic Interaction in The Compaction Process Through Vibrations for Road Construction
Abstract The natural soil used in filling the embankment of the road communications is characterized by the following factors: humidity, porosity, toughness. For certain factor values that describe the soil state is distinguished a certain soil behavior under the influence of the external forces applied through static or dynamic mechanical means. In this study are presented the numeric simulation results of the soil-compactor interaction based on the complex and nonlinear rheological model proposed by the author in the result of the elaborated doctorate thesis, that follows the real soil characteristics (elastic, dissipative and plastic) on those of the compaction equipment (with a single vibrating roll). The model was harmonised and granted in accordance with the results obtained from the processing of the experimental data. For the simulation model was used the specialized software package Matlab (Simulink, SimMechanics). The obtained results revealed the real behavior of the equipment and its action on the compacted soil.
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审稿时长
10 weeks
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