[PDF] Top 20 Repair of Impact-Damaged Prestressed Concrete Bridge Girders Using Carbon Fiber Reinforced Polymer (CFRP) Materials

... The girders were load tested in-situ to examine their respective load-deflection ...Two damaged girders were then cut out of the deck, replaced with new ones, and transported to a testing ...severely ... See full document

... of CFRP overlays and tested in fatigue at a stress range of 117 MPa in the virgin section of the plate away from the notch (Jones and Civjan, ...a CFRP patch to both faces of the coupon approximately ... See full document

... their girders due to impact by over-height vehicles ...of carbon fiber reinforced polymers (CFRP) laminates were investigated to repair the laterally damaged ... See full document

... of CFRP shave modernized the engineering in aircraft industries in recent ...developed using abio-based polymer ...the polymer to absorb plastic energy when work is done ...the polymer ... See full document

... plates using 0.5 in. ASTM A325 bolts and tightened at 30 ft.-lbs. Concrete splitting and ultimate expected force in the FRP plates were the controlling factors in selecting the appropriate wedge anchors, ... See full document

... Hand roller should be rolled over every layer to avoid the air bubbles finally again glass sheet is fixed and the weight should be applied. After the curing (4 hours) the laminate plate is taken and the specimen will be ... See full document

... hybrid carbon and glass fiber-reinforced polymer (FRP) plates for use in prestressed mechanically-fastened ...employ prestressed Mechanically-Fastened FRP (MF-FRP) plates as a ... See full document

... composite concrete bridges. It was found that the CFRP composites anchorage angle and length had a notable impact on corresponding slip and failure ...resistant carbon fiber ... See full document

... fibre reinforced polymer (FRP) composite is much less dense and therefore lighter than the equivalent volume of steel which provides a more economical and technically superior alternative to the traditional ... See full document

... strengthened using high modulus CFRP, high strength CFRP, steel-wire basalt FRP and welded steel ...strengthening materials; strengthening configuration, number of CFRP layers and ... See full document

... is repair/retrofit or second is demolition/reconstruction it means complete replacement of an existing ...therefore repair/retrofitting is the best solution to give a strengthening of existing ...like ... See full document

... first repair experiments were made. Two (0°/90°/90°/0°) 4-layer CFRP laminates with a layer thickness of ...prepared using the above ...hardened using the hot press method with a platform load ... See full document

... from carbon fibers is investigated at RWTH Aachen ...called carbon-textile reinforced mortar (CTRM) and could serve as conservation and as supplement to the overused mild ...textile reinforced ... See full document

... of CFRP or GFRP, the sizes of which were 130 mm in width and 300 mm in ...of reinforced concrete beams strengthened with CFRP and GFRP sheets in ...study; Carbon and Glass fibre ... See full document

... 1. M. D. Nikam, G. V. Patil, G. N. Thokal, V. H. Khatawate, Estimation of stress intensity factor (sif) on crack component by using finite element analysis, International Journal of Mechanical Engineering and ... See full document

... the repair of the prestressed concrete bridge end region (both undamaged and damaged) is still lacking and there is also not much direct comparison between the ...post-damage ... See full document

... Sudden fall of reinforced concrete is may be knows as catastrophic and as the name suggest it is catastrophic, that simply means that it is sudden in nature. No any intimation or no cracks are seen in ... See full document

... deteriorated concrete structures subjected to inflated traffic volume, unprecedented live loads, structural ageing and other environmental impacts has been garnering attention in the recent ...Fibre ... See full document

... UT-‘A-Scan’, X-radiography and visual inspection clearly collaborate each other both with respect to damage diameter and damage area in the case of GFRP laminates. However, in the case of CFRP laminates visual ... See full document

... the reinforced concrete, mitigating cracking was not a major ...cover concrete, additional damage was observed at several of the screw locations at high displacement ...cover concrete, even at ... See full document