Compared to site-driven field rivets, shop-driven rivets are________________?
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Answer: A. stronger
Explanation
Shop-driven rivets are subjected to better quality control and higher uniform cooling pressures during fabrication. Controlled factory environments allow hydraulic riveting machines to fill fastener holes completely and consistently. These superior manufacturing conditions make shop-driven rivets noticeably stronger than those driven on construction sites. Riveted steel construction depends on the clamping force exerted as hot rivets cool and shrink. Factory machinery applies immense, uniform pressure that is difficult to replicate using portable tools in the field. Quality assurance protocols in fabrication plants catch defective rivets much more effectively than site inspections.
Steel truss bridges and historical building frames were prefabricated in shops and assembled using field connections. Engineers historically assigned higher allowable stresses to shop rivets compared to field-driven fasteners. Modern bolted construction has largely replaced riveting, but quality control principles established for shop work remain vital. Option B incorrectly suggests field rivets are stronger, ignoring the lack of controlled factory pressure. Option C assumes equal strength, which disregards the distinct advantages of controlled factory manufacturing. Option D is overly broad and contradicts established structural steel design provisions.
- Subject
- Engineering
- Category
- Civil Engineering
- Topic
- —
- Difficulty
- medium
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