Slab Bridge DesignMariel VillalunaJonelyn LumapagSLAB BRIDGE is probably the most commonbridge type. It is mainly used in crossings andover waterways and also as an underpass forwalkways. Slab bridge has two fundamentalfeatures compared to other bridge types: First its superstructure is substantially widecompared to the height of the slab.
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Its thin curved stone slabs were joined with iron dovetails so that the arch could yield without collapsing.7This articulation allowed the bridge to survive the movements of abutments bearing on spongy, plastic soils, and also the effects of moving traffic loads.
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typical section showing spalled out cocrete in rcc t-beam deck slab typical section showing spalled out conc in rcc solid slab typical section showing out conc. in rcc pier cap step 1 preparation of base step 2 providing reinforcement step 3 applying ploymer modified cementitious mortar step-1 step-2 step-3 detail of c.c. crack repair
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Jul 15, 2020 · The piers and deck of a reinforced concrete rigid frame bridge are interconnected with reinforcing steel and their concrete is poured as a unit. This differs from a typical reinforced concrete slab or tee beam bridge, where the deck is separate from and rests upon the piers.
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Reinforced Slab Bridges used For short spans, a solid reinforced concrete slab, generally cast in-situ rather than precast, is the simplest design to about 25m span, such voided slabs are more economical than prestressed slabs. Slab bridges are defined as structures where the deck slab also serves as the main load-carrying component.
Cracks, water seepage and other damage often occurred in the hinge joints of the fabricated hollow slab bridge and affect the transverse integrity of the bridge. In order to solve these problems, a new type prefabricated I-girder is proposed, the girder is connected crosswise through wet joints, and the distributed bars extending from the flange are firmly connected in the wet joints. The wet ...
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Design of a Balanced-Cantilever Bridge CL (Bridge is symmetric about CL) ... Assuming slab thickness = 6 Slab weight = 75 psf = 0.075 ksf Wearing Surface = 30 psf w ...
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Four basic bridge types, each consisting of steel or concrete, were initially considered. Two alternatives, a steel truss bridge and a steel arch bridge, were designed in detail. A Building Information Model was generated to visualize the two alternatives. The supporting bridge structure using cast-in-place reinforced concrete for both
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Bridge 10015 is a single span concrete slab bridge. The bridge has a span length of 20', a total length of 21' and a clear roadway width of 27'. The structure was built in 1937 and conforms to 1930 standard concrete slab bridge plans. The parapets are open and have decorative features including panelling and end blocks.
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One of the alternatives is the use of link slab in a jointless bridge, which connects the adjacent bridge deck slabs at the pier, forming a continuous slab across the bridge spans. While the link slab system can provide the benefits of a continuous bridge deck, refinement of the design and detailing of the link slab itself is needed to optimize ...
the slab thickness, nor farther apart than 45 cm, center-to-center. 220.127.116.11 Loads Assigned to Slabs (1) Own weight of slab: The weight of the slab per unit area is estimated by multiplying the thickness of the slab h by the density of the reinforced concrete, or hgc. (2) Weight of slab covering materials:
Advanced design to suit the different sections of bridge decks, overpasses, underpasses and other horizontal structures of reinforced concrete. Applications of ENKOFORM HMK beam-based horizontal formwork are: Bridge decks of both constant section as well as of variable height and width section; Thick slabs; Underpasses and overpasses
The plan layout of the reinforced skew bridge slab is as shown in Figures 1 to 5. In this study, the width of lane or width of carriageway is deliberately kept same to study the effect. The width of carriageway is kept 5 m for all bridge models. The input data given for the buildings is detailed below.