The construction steps in rigid-frame bridge construction are full framing erection,in-situ casting of arch rib and straining concrete beam,folding of the arch ribs into a whole arch together,installation of the minor angle block and concrete filling till the deck forms into an integrity.
钢筋混凝土刚架拱桥现浇施工工艺主要是搭设满堂拱架,现浇拱片、横系梁混凝土,使主拱先合拢成单片拱片,然后安装微弯板、再浇筑混凝土填平层及桥面形成整体。
The application of full space supports in construction of cast-in-place box beam;
满堂支架在现浇箱梁施工中的应用
This paper describes design and construction of full space supports for continuous girgers in soft groundation area,specially discusses the method of stone concrete column is taken for dealing with soft groundation and full space supports is adopted.
以某立交桥梁为例,介绍了在软基地区的连续梁桥的满堂支架的设计与施工,叙述了采用碎石混凝土桩来处理软土基础和碗扣支架作支撑的方法。
The bearing system of full space supports is a multi -fulcrum bearing system.
满堂支架支承体系属多支点承体系 ,以多支点分散荷载 ,将荷载传向地基 ,因此要求地基必须具有足够的承载力 ,能将现浇混凝土施工过程中支架下沉量控制在允许范围内 ,同时要求所有支点均匀下沉 ,以预防梁体由于不均匀下沉而产生开裂。
Stability calculation of full space support of cast-in-site beam;
现浇梁满堂支架的稳定计算
The construction method of full space support,which can t satisfy the construction needs of viaduct with tall piers,is replaced by the construction method of truss frame platform.
满堂支架施工方法已无法满足高墩高架连续梁桥的施工,代之的是架空平台施工,架空平台采用逐跨推进施工,经济性和安全性好,此外,该平台还可以作为悬臂施工的挂篮,墩柱施工的爬升模架及用于架设简支梁桥的架桥机。
With the South Approach of the Shuangchong Bridge at Liuzhou as an example, the paper deals with the choice and describes the full space supports for the construction of continuous pre-stressed concrete box girders.
以柳州双冲大桥南引桥为例,对预应力混凝土连续箱梁满堂支架的设计与施工进行研究,提出了相应的措施,为大桥安全施工提供了可靠的依据,可为类似工程的施工提供有益借鉴。
The Architectural Characteristics and Aesthetic Value of Mantang Hakka Manor House;
满堂大围的建筑特色与美学价值
Group Two were taught the four passages with a "duck-feeding" method; Group Three only took vocabulary tests.
教师为第 1组与第 2组提供四篇快速阅读材料 ,对第 2组采用满堂灌的方法教学 ,第 3组只参加测试。
Features of the interchange bridge construction at the cross of two highways are introduced; construction essentials such as foundation treatment,insurance of prestress system and arrest of upward mandrel are analyzed; in-situ casting of the prestress continuous box beam and continuous core slab under full framing above soft clay foundation is presented.
文章介绍了马(鞍山)芜(湖)高速芜湖东互通立交工程的工程特点,分析了地基处理、预应力体系安全、防止芯模上浮等施工要点,阐述了软基上预应力连续箱梁及连续空心板满堂支架法现浇施工技术。