However, creep of concrete and its influence on bridge structures are hard to predict and control. The calculation is very complicated and the results are not accurate.
然而,混凝土的徐变及其对桥梁结构性能影响的预计和控制,是十分复杂又难以获得精确答案的问题。
Particularly suitable for large span bridge structures and cross-section complicated concrete component demoulding.
尤其适用于大跨度桥梁构件及断面复杂的混凝土构件脱模。
Temporary structures are set up to support the formwork when a large concrete bridge with box-section is built.
采用箱型截面的大型混凝土桥梁,其结构施工过程中浇注混凝土需要设置临时支撑结构。
The nondestructive testing technology has been widely used in bridge engineering, and the technology of testing the quality of concrete structures by ultrasonic has been widely used.
无损检测技术在桥梁工程中的广泛应用,超声波检测混凝土构件质量技术已被普遍采用。
At present, concrete filled steel tube (CFST) is widely used in building structures such as factory building, super high-rise building and bridge structure.
目前,钢管混凝土已广泛应用于工业厂房、超高层建筑以及桥梁等结构中。
The bridge can be of many different structures, a common one of which is using the concrete support of the pit as its girder and cast-in-situ reinforcement concrete plates as its decks.
栈桥可以有多种结构形式,较为常见的一种是以基坑的混凝土支撑为主梁,以现浇混凝土板为桥面板的栈桥。
The approach Bridges of Binzhou Huanghe River bridge are of prestressed concrete continuous girder structures used with C50 high performance concrete.
滨州黄河大桥引桥是预应力混凝土连续梁桥,采用C50高性能混凝土。
The Phosphate Cementbased Binder is a new cement for quickly repairing concrete structures, such as airport runways, high ways, bridge decks, etc.
磷酸盐水泥是一种适用于快速抢修机场跑道、高速公路、桥梁等建筑工程的新型胶凝材料。
The Phosphate Cementbased Binder is a new cement for quickly repairing concrete structures, such as airport runways, high ways, bridge decks, etc.
磷酸盐水泥是一种适用于快速抢修机场跑道、高速公路、桥梁等建筑工程的新型胶凝材料。
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