Kokuryo Hiroshi, T. Horiguchi, N. Ishikawa, Hori Kengo, Y. Sonoda
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A Study of the Load Performance of a Steel Pipe Beam Supported by Sleeve Pipes
A new plane grid-type dam has been recently developed to entrap debris flows including driftwoods. A new plane grid-type dam supported by sleeve pipes is proposed by connecting with concrete buttresses. The advantages of this dam are rapid construction, low maintenance costs and enhanced stability. However, the load-carrying capacity of this dam has not been clarified yet so far. To this end, the load-carrying capacity of a steel pipe beam supported by sleeve pipes is first investigated experimentally. Second, the FEM analysis is performed to estimate the load performance which was not measured by the test. Finally, a new design expression is proposed to evaluate the load-carrying capacity of a steel pipe beam mounted in sleeve pipes.
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