Assessing the Long-Term Performance of Mechanically Stabilized Earth Walls (2012) / Chapter Skim
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5 INTRODUCTION As with bridges and pavements, retaining walls are an essential component of our transportation infrastructure. However, unlike pavement and bridges, retaining walls (of which MSE walls are a growing subclass)
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6 panel walls, two-stage panel walls, and block walls, respectively. The majority of panel walls possess metallic reinforcement.
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7 one could assign one, three, or six wall numbers to the MSE wall segments present at a bridge site. (There could be even more than six if additional walls segments were used to support the exterior sides of ramps.)
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8 mation regarding maintenance does not appear to be systematically maintained by any party. CONSTRAINTS ON INVENTORY DEVELOPMENT AND ASSET MANAGEMENT ACTIVITIES During oral interviews with select survey participants, the participants frequently identified the lack of a government/ legislative directive along with the lack of allocated funding as significant impediments either to initially developing their MSE wall inventory or subsequently populating it with performance data from inspection activities.
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9 evaluation and inventory of its MSE walls out of corrosion concerns (Wheeler 2002)
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