含開口鋼筋混凝土深梁之剪力強度評估

Shear Strength Prediction for Reinforced Concrete Deep Beams with Web Openings

本研究建議了一個評估含開口鋼筋混凝土深梁剪力強度之分析方法。本文將所建議之分析方法、Tan等人之壓拉桿模型及Kong和Sharp經驗公式所得之剪力強度分析值與已有之剪力強度試驗值詳加比對。結果顯示，本文所建議之分析方法及Tan等人之壓拉桿模型能精確地預測含開口鋼筋混凝土深梁之剪力強度，Kong和Sharp之經驗公式則較不精確。研究結果亦顯示，本所建議之分析方法及Tan等人之壓拉桿模型皆能有效地掌握各參數對含開口鋼筋混凝土深梁剪力強度之影響。

This study proposes an analytical method for predicting the shear strengths of reinforced concrete deep beams with web openings. The shear strengths predicted by the proposed method, the strut-and-tie model of Tan et al. and the empirical formula of Kong and Sharp are compared with the available test results. The comparisons show that both the proposed method and the strut-and-tie model of Tan et al. can predict the shear strengths of reinforced concrete deep beams with web openings accurately. The empirical formula of Kong and Sharp is however less accurate. The comparisons also show that both the proposed method and the strut-and-tie model of Tan et al. can simulate the effects of various parameters on the shear strengths of reinforced concrete deep beams with web openings well.