| 汕汾高速公路典型软基路段预制砼管桩处理效果评价 |
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| 引用本文： | FENG Rong?xing1,LIU Zhao?quan2. 汕汾高速公路典型软基路段预制砼管桩处理效果评价[J]. 焦作工学院学报, 2002, 0(5) |
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| 作者姓名： | FENG Rong?xing1 LIU Zhao?quan2 |
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| 作者单位： | 广东省有色金属地质勘查局 广东广州510080(冯荣兴)，黑龙江省水利水电勘测设计研究院 黑龙江哈尔滨150080(刘朝权) |
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| 摘 要： | 在软基地区修筑高速公路,路基的沉降和稳定是制约施工工期和行车安全的两大基本问题,汕汾高速公路的典型软基路段按照常规手段处理后,路基填筑至设计高度一半,出现裂缝,果断地采取了部分卸载-等待-再加载的措施,再加载后裂缝再度出现.经多方反复论证,采取压入预制砼管桩的处理方案,效果良好,本文对此进行介绍,并从软基监测的角度进行评价.
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| 关 键 词： | 高速公路 沉降和稳定 基础条件 预制砼管桩 |
Effect assessment of typical soft ground section treatment withprecast concrete tubular piles in Shanfen expressway</b></span></td>
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<td align="left" height="25" valign="top" nowrap><b>Abstract:</b></td><td width="92%" align="left" valign="top"><Abstrcat>The two basic problems of bank subsidence and stabilization restrict the construction period and driving safety when building expressway in soft ground area.Typical soft ground section in Shanfen expressway is treated with the routine method.The bank begins to crack when its height is only half to its design height.The decisive measure is adopted,that is,partial loading?waiting?reloading,but cracking is occurred when reloaded.With the repetition demonstration in many ways,it decids to take the plan of impressing precast?concrete tubular piles and better effect is obtained.This paper states it briefly and assesses it from the view?point of soft ground monitoring.</td>
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<td align="left" valign="top" height="25" nowrap><b>Keywords:</b></td><td width="92%" valign="top" align="left" ><a target='_blank' href='search.aspx?subject=industry_technology&major=gyjsxbjzhl&orderby=referenced&field=key_word&q=expressway&prev_q=expressway'>expressway</a> <a target='_blank' href='search.aspx?subject=industry_technology&major=gyjsxbjzhl&orderby=referenced&field=key_word&q=subsidence+and+stabilization&prev_q=subsidence+and+stabilization'>subsidence and stabilization</a> <a target='_blank' href='search.aspx?subject=industry_technology&major=gyjsxbjzhl&orderby=referenced&field=key_word&q=bad+base+condition&prev_q=bad+base+condition'>bad base condition</a> <a target='_blank' href='search.aspx?subject=industry_technology&major=gyjsxbjzhl&orderby=referenced&field=key_word&q=precast%3fconcrete+tubular+piles&prev_q=precast%3fconcrete+tubular+piles'>precast?concrete tubular piles</a></td>
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