本文探討化學錨栓埋置於鋼筋混凝土中承受拉力與剪力相互作用之數值分析，使用有限元素(Finite Element，FE)分析軟體ABAQUS模擬三維化學錨栓受力之破壞行為。文中總共分析了112根化學錨栓，分析參數分別為混凝土強度(105kgf/cm^2、140kgf/cm^2、210kgf/cm^2 、280kgf/cm^2 )、埋入深度(12.5 cm、18cm)、距離混凝土邊緣(10cm、20cm)及不同受力方式(受拉、受剪及兩者同時作用)，針對數值模擬提出一非線性模式，來預測化學錨栓埋置於鋼筋混凝土中承受外力時的強度，並與前人試驗所得數據比較驗證。本文分析結果與試驗值相比較，當化學錨栓同時承受拉力與剪力作用時，分析結果皆能有效預測試驗值，本文所建議之分析模式能夠預測化學錨栓受力後之強度。文中更進一步以化學錨栓模型為基礎應用於植筋工程，並將分析結果與國內外規範之強度計算公式相比較。結果顯示，規範計算值與分析結果在抗拉強度較為符合，而抗剪強度在設計公式上則趨於保守。

An ABAQUS-based three-dimensional (3-D) nonlinear finite element analysis is used in this study to simulate the behavior of chemical adhesive anchors embedded in reinforced concrete under pure tension, pure shear, or combined loadings. The amount of 112 chemical adhesive anchors are analyzed in this study according to the relevant parameters including the concrete strength (105kgf/cm^2,140kgf/cm^2,210kgf/cm^2, and280kgf/cm^2 ), the burying depth of anchors (12.5cm and 18cm), and the distance from the edge of model (10cm and 20cm). A nonlinear numerical simulation model to predict the ultimate loading capacity of chemical adhesive anchors is proposed and compared with the testing results. It demonstrates that the proposed numerical model can be used to predict the behavior of chemical adhesive anchors under combined tension and shear loading. While the proposed model is applied to the rebar-planting anchorage, comparisons between the analytical results and those calculated by the design codes show that the predicted tensile strengths are closer whereas shear strength suggested by the design code is conservative.

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