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在LR规范中看到着段话:
10.12.5. Small air and drain holes cut in primary members are to be kept clear of the toes of brackets and are to be well rounded with smooth edges. Where holes are cut in primary longitudinal members in areas of high stress, or where primary members are of higher tensile steel, they are to be elliptical, or equivalent, to minimize stress concentration.
是不是说:在空气孔和流水孔可以开在肘板趾部和其他高应力区。
各位大侠指点下!! |
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