钢护筒就是在进行人工挖孔桩的过程中，由于土质不稳定，施工钢筋混凝土护壁存在较大难度所以采用钢质的护壁对孔桩进行保护，防止塌孔避免影响施工进度及安全。钢护筒就是根据孔桩的大小用铁皮箍成的一个圆形的两头都是空的桶。
旋挖后注浆灌注桩钢护筒法施工技术的应用--水泥工程杂志社 关键词：钢护筒;混凝土灌注桩;施工工艺 [gap=679]Key word: steel casing; bored concrete pile; construction technology
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...文 关键词：系杆拱桥；吊杆；钢护筒；索力监测；静载试验 [gap=1318]Keywords: tied-arch Bridge; suspender; steel protection tube; stress monitor; loading test ...
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...孔桩；流砂层；钢护筒；施工技术；公路桥梁 [gap=251]Keywords: artificial dig-hole pile; Flow of sand layer; The steel tube; Construction technology; Highway bridge ...
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Then analysis of around soil mechanisms under driving steel casing by vibration in the field testing. The main analyses are the changes of surface subsidence and horizontal displacement, the deeper layer lateral motion, pore pressure and stress.
然后分析现场测试下振动沉拔钢护筒对周围土体的影响机理，主要分析地表沉降和地表水平位移、地层深层位移、孔隙水压力及挤压应力的变化情况。
参考来源 - 深厚软土地基上沉拔钢护筒机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本发明公开了一种钢吊箱与钢护筒之间的连接锚固装置。
The invention discloses a connecting anchoring device between steel suspension box and steel protecting tube.
为此采用广角度监测技术，跟踪观测钢护筒、桩身钢筋和混凝土的应力响应。
Therefore, extensive angle monitoring is adopted to observe the structure response of steel casing, reinforcing steel bar and concrete.
位于潮汐河段的苏通大桥采用大直径、超长钻孔灌注群桩基础，而且需要考虑钢护筒的共同作用。
Sutong Bridge located in the tidal reach adopts the pile-group foundation with large-diameter and over-length bored piles working with the steel casing together.
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