Method for preventing and controlling cracks of long and big-segment bracket cantilever box girder structure

The invention discloses a method for preventing and controlling cracks of a long and big-segment bracket cantilever box girder structure, which is characterized by comprising a load-initiated crack control method, a temperature-initiated crack control method, a concrete-contraction-initiated crack c...

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Bibliographic Details
Main Authors MAO JUNXI, WU WEILI, XU NINGQIAN, XU LIXIN
Format Patent
LanguageChinese
English
Published 13.06.2012
Subjects
ASSEMBLY OF BRIDGES
CONSTRUCTION OF BRIDGES
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
OR VIADUCTS
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Summary:The invention discloses a method for preventing and controlling cracks of a long and big-segment bracket cantilever box girder structure, which is characterized by comprising a load-initiated crack control method, a temperature-initiated crack control method, a concrete-contraction-initiated crack control method and a bracket-template-deformation-initiated crack control method in the construction process. According to the method, days for construction can be effectively reduced, more manpower is saved, and more cost is saved.
Bibliography:Application Number: CN2011169589