Prestressed concrete three-web trough girder
A concrete and prestressed technology, applied in the direction of bridges, bridge materials, bridge construction, etc., can solve the problems of large lateral force of double-line trough beams, small bridge spans, and poor lateral stiffness, and achieve beautiful appearance and low building height. , the effect of low comprehensive cost
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[0019] like Figure 5 , 6 As shown, the prestressed concrete three-web channel beam of the present invention is mainly composed of a bottom plate 1, a side web 2 and a middle web 3.
[0020] Among them, the bottom plate 1 is also provided with an end beam 4 at the support at both ends of the beam, the side web 2 is provided with a side web upper flange 5 at the top, and the middle web 3 is provided with a middle web upper flange 6 at the top.
[0021] The bottom plate 1 is integrally cast with the side web 2 and the middle web 3 , the bottom plate 1 is arranged at the bottom of the side web 2 and the middle web 3 , and the end beams 4 at both ends of the beam are cast together with the bottom plate 1 .
[0022] In this embodiment, the included angle between the center line of the side web 2 and the normal direction of the bottom plate 1 is 18°, and the middle web 3 is perpendicular to the bottom plate 1 . The top surface of the side web 2 and the middle web 3 is 1.89m higher...
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