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端锚锚杆锚固质量检测最佳激发波的数值模拟

Keywords: 端锚锚杆,最佳激发波,网格尺寸,锚固质量

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Abstract:

研究在检测端锚锚杆锚固质量时的最佳激发波.针对一种特定型号的端锚锚杆进行数值模拟,确定了数值模拟中不同频率激发波下有限元模型网格的最佳尺寸,得到了针对该型号锚固锚杆质量检测的最佳激发波,在锚杆顶端可以看到清晰的上界面和底端反射波.利用此最佳激发波对脱锚锚杆进行模拟,可以清楚地看到脱锚段的反射波.因此,在工程上可以直接使用此最佳激发波对锚固锚杆进行锚固质量检测.

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