Method for reinforcing connection of diaphragm plate and girder by aid of penetrating type prestress

The invention discloses a method for reinforcing connection of a diaphragm plate and a girder by aid of penetrating type prestress. The method comprises steps as follows: (1) positions of additionally arranged prestress steel strands are determined on the diaphragm plate and a girder web, and then,...

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Bibliographic Details
Main Authors YANG HUIWEI, LU GUOYUN, QIN YU, CHEN PENGCHENG, ZHANG YAN, LIU PEIYUN, GONG LEI, ZHAO YUNCHUAN, CAO RUIDONG
Format Patent
LanguageChinese
English
Published 31.05.2017
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 reinforcing connection of a diaphragm plate and a girder by aid of penetrating type prestress. The method comprises steps as follows: (1) positions of additionally arranged prestress steel strands are determined on the diaphragm plate and a girder web, and then, holes are drilled in the girder web and the diaphragm plate to form mounting channels for prestress steel strands; (2) slots are formed in two ends of each mounting channel, and stress-dispersing steel cushion plates are mounted in the slotted positions; (3) the prestress steel strands penetrate through the channels in the girder and the diaphragm plate; steel strand anchoring devices are mounted; steel strands are tensioned. After external prestress is added between the girder and the diaphragm plate, connection between the girder and the diaphragm plate is effectively enhanced, so that the diaphragm plate prestores certain press stress when not bearing load of a vehicle, pulling stress produced under constant act
Bibliography:Application Number: CN20161992852