扩底桩技术在基坑工程中的应用
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摘要
传统的钻孔灌注桩技术被广泛应用于我国淤泥土,沙土等地层,但随着高层建筑高度的提升,地下室层数也逐渐提高,因此需要对基坑周边的建筑进行保护.在复杂地层中,常规的桩体可能满足不了强度和渗水性的要求,在实际施工过程中通过采用扩大桩头的形式可以满足此要求,通过在一工程中的应用以期对今后类似工程提供参考.
Traditional bored pile technology has been widely used in silt, sand and other strata in China. However, with the increase of the height of high-rise buildings, the number of basement floors has gradually increased, so it is necessary to protect the buildings around the foundation pit. In complex strata, conventional piles may not meet the requirements of strength and seepage. In the actual construction process, this requirement can be met by enlarging the pile head. Through the application of belled pile technology in a project, it can provide reference for similar projects in the future.
Traditional bored pile technology has been widely used in silt, sand and other strata in China. However, with the increase of the height of high-rise buildings, the number of basement floors has gradually increased, so it is necessary to protect the buildings around the foundation pit. In complex strata, conventional piles may not meet the requirements of strength and seepage. In the actual construction process, this requirement can be met by enlarging the pile head. Through the application of belled pile technology in a project, it can provide reference for similar projects in the future.
引文
[1] 饶忠全.路桥施工中钻孔灌注桩技术研究[J].江西建材,2017(1):165,167.
[2] 池秀文,姚志伟,林驰.厚砂层钻孔灌注桩成孔泥浆配比分析[J].武汉大学学报(工学版),2012,45(4):477-480.
[3] 刘笑.钻孔灌注桩施工技术在房屋建筑工程中的应用[J].山西建筑,2015,41(28):66-67.
[4] 王强,赵春风,赵程,等.钻孔灌注桩正反循环泥浆护壁对孔径的影响研究[J].岩土工程学报,2011,33(S2):205-208.
[5] BRILL G T,BURKE G K,RINGEN A R.A ten-year perspective of jet grouting:advancements in applications and technology[C].Grouting and Ground Treatment.Louisiana America:ASCE,2003:218-235.
[2] 池秀文,姚志伟,林驰.厚砂层钻孔灌注桩成孔泥浆配比分析[J].武汉大学学报(工学版),2012,45(4):477-480.
[3] 刘笑.钻孔灌注桩施工技术在房屋建筑工程中的应用[J].山西建筑,2015,41(28):66-67.
[4] 王强,赵春风,赵程,等.钻孔灌注桩正反循环泥浆护壁对孔径的影响研究[J].岩土工程学报,2011,33(S2):205-208.
[5] BRILL G T,BURKE G K,RINGEN A R.A ten-year perspective of jet grouting:advancements in applications and technology[C].Grouting and Ground Treatment.Louisiana America:ASCE,2003:218-235.