摘要
广州丫髻沙大桥主桥为 (76 + 36 0 + 76 )m中承式钢管混凝土拱桥 ,拱肋由 6×75 0mm钢管组成 ,管内C6 0混凝土采用输送泵压注。介绍了压注混凝土过程的安全稳定、施工工艺。
The arch ribs of Yajisha major bridge are composed of 6 750 mm steel tubes in which C60 concrete are cast in pressure with concrete pumps. The methods used to ensure safety and stability and to control the alinement of the main arches, as well as the construction technology are introduced.
出处
《桥梁建设》
EI
CSCD
北大核心
2000年第4期49-51,共3页
Bridge Construction
关键词
拱桥
钢管混凝土结构
拱肋
施工监控
混凝土灌注
arch bridge
concrete-filled steel pipe structure
arch ribs
concrete pumping
bridge construction
construction technology
construction monitor