山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2015年
3期
177-178
,共2页
大孔径%坚硬石质%挖孔桩%爆破技术%施工要点
大孔徑%堅硬石質%挖孔樁%爆破技術%施工要點
대공경%견경석질%알공장%폭파기술%시공요점
large aperture%hard stone%dig hole pile%blasting technology%construction key point
以郑卢高速公路大铁沟特大桥施工为例，针对该桥挖孔桩基础2.2 m孔径、地处风化石质围岩地形的工程特点，详细论述了岩石地质条件下挖孔桩爆破施工的具体工艺流程及其施工技术要点，以保证基岩的完整性和稳定性。
以鄭盧高速公路大鐵溝特大橋施工為例，針對該橋挖孔樁基礎2.2 m孔徑、地處風化石質圍巖地形的工程特點，詳細論述瞭巖石地質條件下挖孔樁爆破施工的具體工藝流程及其施工技術要點，以保證基巖的完整性和穩定性。
이정로고속공로대철구특대교시공위례，침대해교알공장기출2.2 m공경、지처풍화석질위암지형적공정특점，상세논술료암석지질조건하알공장폭파시공적구체공예류정급기시공기술요점，이보증기암적완정성화은정성。
Taking the large iron ditch super bridge construction of Zheng-lu highway as an example,according to the engineering characteristics of this bridge pile foundation with 2. 2 m aperture,located in weathered rocky terrain,discusses in detail the specific process and its construction technology main points of dig hole pile blasting construction under rock geological conditions,in order to ensure the integrity and stability of bedrock.
