Semi-integral seamless bridge structure adapted to soft ground
A semi-integral, seamless bridge technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problem of increasing the axial force on the eccentricity of the center of gravity of the section, the increase of the arch deformation of the prefabricated beam section, and the span of the main beam. Problems such as cracking at the upper and middle edges can be eliminated, and the effects of reducing additional internal force, reducing material consumption, and simplifying the construction process can be achieved.
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[0024] Such as Figure 1 to Figure 3 As shown, a semi-integral seamless bridge structure adapted to soft soil foundation, including main girder 1, pier 2, butt plate 18, abutment 19, the main girder 1 and the butt plate 18 are connected as a whole, the whole top from A leveling layer including asphalt concrete pavement 3, waterproof layer 4, and reinforced concrete pavement layer 5 is laid sequentially from top to bottom. The reinforced concrete pavement layer 5 is provided with paving steel bars 6, and the main beam 1 includes several spans.
[0025] Among them, a tension-compression composite member is provided between two adjacent spans, a tension-compression composite member is provided between the main girder 1 and the strap 18; a tension-compression composite member is provided including reinforcing steel bars 7, openings of the PBL shear device Plate 8, perforated steel bar 21, tensile roof 9, shallow embedded slab 10, deep embedded slab 11 and beam end trapezoidal bump...
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