| 灰土挤密桩在处理深厚湿陷性黄土地基中的应用 |
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| 引用本文： | 许建建.灰土挤密桩在处理深厚湿陷性黄土地基中的应用[J].三门峡职业技术学院学报,2011(3):111-113. |
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| 作者姓名： | 许建建 |
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| 作者单位： | 陕西省水利电力勘测设计研究院; |
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| 摘 要： | 湿陷性黄土为区域特殊性土,具有大孔隙结构和柱状节理,天然含水量时土质坚硬,遇水时土中可溶性盐溶解,产生湿陷。陕甘宁盐环定扬黄定边供水某乡镇的调蓄水池工程位于陕北定边白于山北坡的风积黄土区,湿陷厚度大,为Ⅳ级自重湿陷。调蓄池长×宽105m×60m,深6m,容积2.6万m3,为钢筋砼封闭水池,装配式结构,一旦发生漏水沉陷,后果严重。在基础处理时经对常规的垫层、强夯、挤密、泡水等处理方法比较后,选择灰土挤密桩处理,桩径0.4m,桩距0.9m,梅花形布置,施工简便,效果良好。
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| 关 键 词： | 湿陷性黄土 灰土挤密桩 施工要求 |
The Application in Dealing with the Deep Collapsible Loess Groundwork with Lime-soil Compaction Pile Method |
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| Xu Jian-jian.The Application in Dealing with the Deep Collapsible Loess Groundwork with Lime-soil Compaction Pile Method[J].Journal of Sanmenxia Polytechnic,2011(3):111-113. |
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| Authors: | Xu Jian-jian |
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| Institution: | Xu Jian-jian(The Water Conservancy and Electrical Power Surveying and Designing Institute of Shaanxi Province,Xi`an 710001,China) |
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| Abstract: | The collapsible loess is a kind of regional special kind soil which has the macropore tracture and columnar joint,the soil is hard when it is full of water itself and the soluble salt of the soil can dissolve when it meets the water and produce collapse.The impounding reservoir proiect county in Shaanxi-Gansu-Ningxia area lies in the wind bloun loess district of the north side of the mount Baiyu in Dingbian county of north Shaanxi.The collapsible thickness is large,belongs to the fourth stage self-weight co... |
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| Keywords: | Collapsible-loess Lime-soil compaction pile the requirements of construction |
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