1. PRODUCT OVERVIEW VHF finger expansion joint made by Vinh Hung Investment and Production Co., Ltd (VinhHung IP), includes 2 types: Cantilever VHF-C and over-gap VHF-O, according to: AASHTO LRFD standards ASTM D354292 (2003) standards VHFC and VHFO are integrally manufactured with high accuracy finger plates and accessories such as bolts, rubber sheet/water prevention steel plates which help facilitate new construction and installation as well as inspection and maintenance works in service. VHFC and VHFO accommodate to medium movement to big movement and can be used for both straight and skew bridges. 2. PRODUCT CHARACTERISTICS Totally accommodate to medium and large longitudinal movements, and also vertical and transversal movement if any. Simple installation, maintenance and replacement, which allows to replace individual finger plates in short period of time and for each lane. High loading resistance capacity, especially the moving load. Also available for skew bridges. Rubber seal system is designed to be totally water-tight and prevent dust and debris. Can be designed to be compatible with different thicknesses of bridge decks. To ensure the long-lasting durability, VHF finger expansion joints are protected from corrosion with methods such as: 2-component epoxy coating, PUbased painting (Polyurethane), hot dip galvanization according to ASTM A123 standards and especially the Al Mg spraying method (at the ratio of 5% Al and 95% Mg) which ensures anti-corrosion durability of up to 100 years, proven by salt-spraying test in 6000 hours (8-hour dry-wet cycle repetition) under ASTM B117 standards. DIMENSIONS OF FINGER EXPANSION JOINT VHF-C15 ~ VHF-C30 (WITHOUT BOLT) MODEL DISPLACEMENT d A D C H min max min max VHF-C15 15 22 190 205 25 40 300 150 VHF-C20 20 22 230 250 30 50 300 150 VHF-C30 30 25 245 275 30 60 300 150