摘要
某高架桥基础因地质灾害原因发生较大的侧向偏移与不均匀沉降,根据原桥梁结构形式和现场施工环境特点,决定采用在原基础下新增钢管桩群,并在钢管桩群上浇筑新承台的加固方案。在桥底净空受限和地质情况复杂的条件下,对如何新增桩基和承台等施工关键技术进行了研究,并制定了相应的监测措施,最终形成成套施工及监测技术。
Lateral displacement and uneven settlement of v iaduct foundations are usual ly caused by geological disaster. According to the bridge structural type and the construction environment cha rac ter istics, a new re in -forcement scheme was appl ied. By adding new steel pipe group under the original ba sis, then a new cap was poured on the steel pipe group. This paper discusses the key technique fo r construction and monitoring o f the new reinforcement scheme under l imited clearance and complicated geological con ditions. A complete construc-tion and monitoring technology was summarized.
出处
《桂林理工大学学报》
CAS
北大核心
2017年第2期311-315,共5页
Journal of Guilin University of Technology
基金
国家自然科学基金青年科学基金项目(51608136)
2016年广州大学新苗计划项目(2608)
关键词
基础
抢险加固
施工
监测
关键技术
foundat ion
emergency reinforcement
construction
monitoring
key technique
