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There is just 4.8m between the provincial road and the Grand Canal, if the conventional bridge type is adopted, it will increase the engineering's investment greatly. The paper gives a applicable design method and put forward an asymmetric bridge structure. It decreases the engineering's investment greatly. This paper introduces the method's key points, analyses the upper structure and lower structure...
The north anchorage of Taizhou Changjiang River highway bridge is made by a large open caisson, length of the caisson is 67.9m, the width is 52.0m, and the height is 57m. The caisson divided into 11 segments in total, the first segment is 8m long, made by steel covered concrete, the 10th segment is 4m long, and the other are 5m, all made by reinforced concrete. By Surveying, Choosing by the fact that...
Based on forward-analysis method, the deformation of structure during each construction stage is calculated and accumulated for the request of linear control of long-span prestressed concrete continuous girder bridge constructing by cast-in-place cantilever method. Then the camber is determined considering some more factors, such as concrete shrinkage and creep, secondary permanent load, a half of...
The location error of anchor plates increased the set back amount of vertical prestress tendons and had influence notably on the prestress loss. 400 samples were acquired by using LS160-60 to measure the errors. Regression analysis was performed assuming Pearson-III curve, which was appraised using the inspection method of Pearson χ2. Comparison shows that the error follows the distribution of Pearson-III...
Based on the fact that the longitudinal cracks occurring in the hollow slab bridge in practical using, this paper discusses the torsional rigidity changes after cracking, and finds out the general equation about the transverse distribution coefficient of the cracked hollow slab bridge. After analysing the transverse distribution coefficient of the cracked slab, the change law of the transverse distribution...
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