Prestressed concrete continuous rigid frame bridge with complete cantilever-construction and construction method thereof
A prestressed, concrete technology, applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of long construction period, high cost, high risk, etc., and achieve the effect of simple structure, improved production efficiency and low cost
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[0039] The present invention will be further described below in conjunction with the accompanying drawings.
[0040] like Figure 1-3 As shown, take a three-span continuous rigid-frame bridge with a main-span ratio of 0.445 and a main-span ratio of 0.445 as an example. The design and construction process of prestressed concrete continuous rigid frame bridge with full cantilever construction is clarified.
[0041] The full cantilever construction prestressed concrete continuous rigid frame bridge of the present invention comprises a foundation 1, a cap 2, a main pier 3, a side pier 4 and a main girder 5; wherein the top of the side pier 4 is provided with a side pier tension and compression bearing 6, The main beam near the side pier is provided with a side span counterweight section 7, the main span is provided with a main span closing section 8, and the side span has no closing section. The side-main-span ratio is relatively small, 0.445. The mechanical performance of the ...
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