资源描述:
《碱渣地区冲击成孔灌注桩施工要点》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、碱渣地区冲击成孔灌注桩施工要点摘要:机械成孔灌注桩在工程中的应用已非常广泛,尤其是泥浆护壁冲击成孔方法工艺简单、技术成熟,适用范围广,但在人工碱渣回填地区采用机械(冲击)成孔灌注桩,在大连地区乃至东北老工业区改造建设中尚属首例,本文简要阐述在施工中处理塌孔、沉渣过厚、基岩溶洞发育等采用的施工方法及要点。关键词:碱渣、冲击成孔、塌孔、沉渣、溶洞abstract:themechanicalintoholesintheprojectoffillingpileintheapplicationhasverywidely,espe
2、ciallyslurrysupportingimpactholemethodintosimpleprocess,maturetechnology,applicationrange,butinremovingbackfillingarea)bymechanical(impact)intoholesfillingpileindalianareaandeventhenortheastoldindustrialzoneintheconstructionofreformwhichisfirst,thispaperbrieflye
3、xpoundstheconstructionintreatmentofholecollapse,toothicknessofsediment,bedrockcavedevelopmentoftheconstructionmethodsandkeypoints.keywords:removing,impactintoholes,holecollapse,sediment,cave中图分类号:tu473.1+4文献标识码:a碱渣地区冲击成孔灌注桩施工要点摘要:机械成孔灌注桩在工程中的应用已非常广泛,尤其是泥浆护壁冲击成孔方
4、法工艺简单、技术成熟,适用范围广,但在人工碱渣回填地区采用机械(冲击)成孔灌注桩,在大连地区乃至东北老工业区改造建设中尚属首例,本文简要阐述在施工中处理塌孔、沉渣过厚、基岩溶洞发育等采用的施工方法及要点。关键词:碱渣、冲击成孔、塌孔、沉渣、溶洞abstract:themechanicalintoholesintheprojectoffillingpileintheapplicationhasverywidely,especiallyslurrysupportingimpactholemethodintosimplepr
5、ocess,maturetechnology,applicationrange,butinremovingbackfillingarea)bymechanical(impact)intoholesfillingpileindalianareaandeventhenortheastoldindustrialzoneintheconstructionofreformwhichisfirst,thispaperbrieflyexpoundstheconstructionintreatmentofholecollapse,to
6、othicknessofsediment,bedrockcavedevelopmentoftheconstructionmethodsandkeypoints.keywords:removing,impactintoholes,holecollapse,sediment,cave中图分类号:tu473.1+4文献标识码:a碱渣地区冲击成孔灌注桩施工要点摘要:机械成孔灌注桩在工程中的应用已非常广泛,尤其是泥浆护壁冲击成孔方法工艺简单、技术成熟,适用范围广,但在人工碱渣回填地区采用机械(冲击)成孔灌注桩,在大连地区乃至东北
7、老工业区改造建设中尚属首例,本文简要阐述在施工中处理塌孔、沉渣过厚、基岩溶洞发育等采用的施工方法及要点。关键词:碱渣、冲击成孔、塌孔、沉渣、溶洞abstract:themechanicalintoholesintheprojectoffillingpileintheapplicationhasverywidely,especiallyslurrysupportingimpactholemethodintosimpleprocess,maturetechnology,applicationrange,butinremov
8、ingbackfillingarea)bymechanical(impact)intoholesfillingpileindalianareaandeventhenortheastoldindustrialzoneintheconstructionofreformwhichisfirst,thispaperbrieflyexpou