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- The result testifies that compaction under reamed bored piles obtain good results under the same geological conditions, such as increasing pile bearing capacity up to 75.3% and reducing settlement and pile length. 结果表明,在同等工程地质条件下挤扩支盘桩提高承载力可达75.;3%25,并能减少沉降和缩短桩长,具有良好的经济效益。
- under-reamed bored CFG piles 扩底灌注CFG桩
- The compaction-under reamed bored pile is a new type one with high bearing capacity and low settlement. 摘要挤扩支盘灌注桩是一种具有高承载力和低沉降量特性的新型桩。
- The comparative tests of compaction-under reamed bored piles and column bored piles at same sites separately in Jiaxing and Huzhou city of province Zhejiang were studied through self balanced method. 本文在采用自平衡法静载荷试验的基础上,分别对浙江嘉兴和湖州两个工程中的同一场地挤扩支盘灌注桩与普通直孔灌注桩进行对比试验研究。
- The comparative tests of compaction-under reamed bored piles and column bored piles at same sites separately in Jiaxing and Huzhou city of province Zhejiang were studied through self-balanced method. 本文在采用自平衡法静载荷试验的基础上,分别对浙江嘉兴和湖州两个工程中的同一场地挤扩支盘灌注桩与普通直孔灌注桩进行对比试验研究。
- After re-exploration and careful analysis, it was found that the sand soil under the bottom of the pile and around the pile was disturbed during the construction of CFG piles. 通过验证勘察并经综合分析后认为,造成单桩承载力不足的主要原因是施工时扰动了桩底或(及)桩周砂层。
- After re-exploration and careful analysis,it was found that the sand soil under the bottom of the pile and around the pile was disturbed during the construction of CFG piles. 通过验证勘察并经综合分析后认为,造成单桩承载力不足的主要原因是施工时扰动了桩底或(及)桩周砂层。
- It has invented and promoted the new technologies and construction methods of CFG pile composite foundation, compacted soil-cement-pile composite foundation, bored pile post-grouting, etc. 每年为企业创造产值逾亿元。
- compaction-under reamed bored pile 挤扩支盘灌注桩
- In this paper the FEA was used for analyzing the effect of soft cushion for compositeground reinforced by CFG piles and some viements were presented. 本文采用有限元数值分析方法,对CFG桩单桂带台复合地基褥垫层的效用进行了研究分析,并提出了一些见解。
- In treating soft foundation of man fill and mud,CFG piles have the advantages of easy construction,short construction period and certain economic benefits. 采用 CFG桩在处理回填土、淤泥质土等软土地基 ,施工方便 ,工期短 ,具有一定的经济效益。
- Cement Fly-ash Gallet Piles(CFG Piles)mainly are used to strengthen foundation,and they can improve bearing capacity of foundation and deformation ability of soil. 水泥粉煤灰碎石桩(CFG桩)主要用于加固地基,提高地基的承载力,改善土的变形性质。
- Bearing pressure on compound foundation of CFG pile and construction detection are discussed in this paper. 摘要就CFG桩复合地基承载力确定及复合地基检测作了简单论述。
- For the geological characteristics of layer heterogeneity,the paper discussed the application of CFG pile to Taichang Expressway subgrade treatment. 针对太长高速公路中地层不均匀的山区地质特点,按照工程对地基土的要求,提出采用CFG桩进行处理,取得了较好的效果。
- It was a beneficial attempt that the CFG pile compound base technology had been applicated in deep soil soft base treatment of highway bridge head. 采用CFG桩复合地基技术处理高速公路桥头深厚软土地基是一种有益的尝试。
- Finally, the paper educes some conclusions and puts forward some prospect about the work should be do of CFG pile composite foundation. 3、最后,通过前面的研究得出了相关结论,并对今后CFG桩复合地基需要努力的方向做了展望。
- Several suggestions have been made for the further research on the static loading test of the CFG pile composite foundation. 本文最后对高速铁路CFG桩复合地基的静载荷试验方法的进一步研究提出了一些建议。
- Comparative Test Study on Extraction Characteristics of Both Compaction-under Reamed Bored Piles and Column Bored Piles at the Equal Sites 同场地支盘桩与直孔桩抗拔特性的对比试验
- The short and long CFG pile composite foundation will be a better method in the future according to the results of load test and settlement observation. 经载荷试验检测和沉降观测说明:长短CFG桩结合的复合地基是很有前途的地基处理方案。
- A series problems about the composite foundot io n of CFG pile are studied,such as design, construction and test, and some urgent problems in this field are proposed. 对CFG桩复合地基设计、施工和检测问题进行了探讨,提出了CFG桩复合地基亟待研究的问题。