Corrugated-steel-web girder bridge capable of increasing overall crack resistance
2016
The invention relates to the field of bridge engineering and discloses a corrugated-steel-web girder bridge capable of increasing overall crack resistance. The corrugated-steel-web girder bridge comprises first corrugated-steel-web box girders and second corrugated-steel-web box girders, wherein the second corrugated-steel-web box girders are located in the mid-span area of the girder bridge, two ends of the second corrugated-steel-web box girders are respectively fixed with the first corrugated-steel-web box girders, and the second corrugated-steel-web box girders comprise steel base plates. The corrugated-steel-web girder bridge has the advantages that the continuous girder bridge is formed by combining the box girders with the steel base plates and conventional concrete box girders, pier-top hogging moment and shear force can be lowered, structural crack resistance and integrity can be increased, and the stress of the girder bridge is improved greatly; the steel base plates can bear certain pull force, the use amount of prestress ropes inside and outside a mid-span body can be reduced, materials can be saved while the construction procedure is simplified, excellent economic performance is achieved, and product competitiveness is increased favorably.
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