Defrection and Stress Analysis of Earth Anchor Beam

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  • アンカーを用いた梁のたわみ・応力解析
  • アンカー オ モチイタ リョウ ノ タワミ オウリョク カイセキ

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The deflection and stress of gridwork type earth anchor beam has been carefully studied by the general elastic theory.<BR>Calculating four kinds of integration constants through boundary condition by trial and error methods, the specific relations between these constants have been found out for the following two models.<BR>MODEL 1: No interpenetration at the center of the beam<BR>C1: C2=C3: C4<BR>MODEL 2: Infinite length between the anchors<BR>C1=-C2 C3=C4<BR>Moreover, the new method whitch can calculate generally the deflection and stress of anchor beam has been found out.<BR>From the evaluation of the calculated results of both methods (Chang's equation and Four constants method), Chang's method gives smaller bending moment by 4.5% and longer pressed span by 50% for MODEL 2, while both methods give the similar results for MODEL 1.<BR>The careful consideration is recommended for the application of Chang's equation for the MODEL 2, where the reaction from the ground should be considered.

Journal

  • Landslides

    Landslides 35 (3), 34-38_1, 1998

    The Japan Landslide Society

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