Drilling Construction Technology of φ3.8 m Bored Grouting Pile in Jiaxing-Shaoxing River-Spanning Bridge
详细信息
- 责任者：Wang Ziqiang (Shanghai Guanglian Construction and Development Co. ; Shanghai 200438 ; China) ; Zhang Hui
- 刊名：Exploration Engineering
- 出版年：2012
- 卷期：39(1)
- 关键词：灌注桩 ; cast-in-place piles ; 成井工艺 ; well completion technology
- 页码：p.61-64
- 图表：2 illus., 3 tables, 5 refs.
- 分类号：1702
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
The drilling construction technology of borehole with super-large diameter of 3.8 m in Jiaxing-Shaoxing river-spanning bridge is introduced: steel casing sinking,mud circulation system arrangement,drill and bit selection,performance of wall protection mud and technical parameters determination and main technical measures in drilling construction process.