Continuous paving construction technology of cement concrete bridge floor and steel bridge floor
A technology of cement concrete and construction technology, which is applied to the direction of on-site paved coagulation pavement, bridges, bridge parts, etc., which can solve the problem that the paving operation cannot be carried out continuously, the flatness of the road surface is affected, and the number of lift-offs of the paver screed is too high And other issues
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[0121] Example one
[0122] The bridge is constructed by continuous paving of cement concrete bridge deck and steel bridge deck. The bridge is 485m long and 25m wide. The two ends are cement concrete bridges and the middle three spans are rigid box beams. The cement concrete bridge deck adopts the traditional asphalt concrete surface layer; the steel bridge deck adopts the asphalt mastic gravel mixture surface layer; because the two kinds of bridge decks use different asphalt mixtures, the cement concrete deck and steel Construction technology of continuous paving of bridge deck.
[0123] figure 1 1 represents traditional asphalt concrete for cement concrete bridge deck; 2 represents expansion joint; 3 represents asphalt mastic gravel mixture for steel bridge deck.
[0124] 1. Preparation before construction
[0125] (1) Bridge deck preparation and sticky layer oil construction
[0126] Before paving the asphalt mixture, clean the bridge deck without any loose stones, dust and impurit...
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[0178] Example two
[0179] The bridge is constructed by continuous paving of cement concrete bridge deck and steel bridge deck. The bridge is 485m long and 25m wide. The two ends are cement concrete bridges and the middle three spans are rigid box beams. The cement concrete bridge deck adopts the traditional asphalt concrete surface layer; the steel bridge deck adopts the asphalt mastic gravel mixture surface layer; because the two kinds of bridge decks use different asphalt mixtures, the cement concrete deck and steel Construction technology of continuous paving of bridge deck.
[0180] Calculated according to the design drawings: the total length of the cement concrete bridge deck is 194m; the width is 25m; the paving thickness of the cement concrete bridge deck is 10cm; the traditional asphalt mixture is 485m 3 ; Steel bridge deck is 291m in total length; 25m wide; steel bridge deck paving thickness is 7cm; asphalt mastic gravel mixture is required 509.25m 3 ;
[0181] 1. Prepar...
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