Previous sections have dealt with joints that designed primarily for strength criteria. There are however cases where the joint has to be modified to meet other criteria. These cases usually results in low duty (low stressed) joints. These joints can be assumed to be strong enough provided the external load on the joint does not exceed a threshold value. Low duty joints do not normally need detailed strength checks as were shown in previous sections. Section 10.4 describes the threshold loading that determines whether or not a joint is low duty.
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