如图[tex=1.714x1.286]INIAQAyevRZXrxY9MHllbg==[/tex]所示为一螺栓接头。已知[tex=4.5x1.286]ZtM6umZ1WS0ZA0fDnB3eOw==[/tex],螺栓的许用切应力[tex=5.429x1.357]T1nVyDmvNx1Ja4ilmbdYgQ==[/tex],许用挤压应力[tex=6.357x1.357]iEcF8UOCTfYKCjj0HlH+bDsaMuV9I/utHzvpPlFC41KI7ZBDPUOTBs7RMG524g/x[/tex],上下两板厚度为司[tex=4.357x1.214]uwX7tmkmspvvrlKhpP8/i5FaDrP/n2ekntfKCPsC7SQ=[/tex],中板厚度为高[tex=4.357x1.214]i9OLlzXur00mozFzAGgM3nrjeTkI7E5Ekb7Sxlomwrc=[/tex]。试计算螺栓所需的直径[tex=0.571x1.286]E8TCNnEPtMKJ0mC2xxh0/Q==[/tex] .[img=408x190]17d1254a61698dc.png[/img]
举一反三
- 图示一螺栓接头。已知 [tex=3.714x1.0]GPVWpaf76C6u+VtblHXVjaawCLW2r927w7fRNHMj86E=[/tex], 螺栓的许用切应力 [tex=5.357x1.357]FnRZrdSJhXL2b3bhWoNrYwzXZj4mgvwL0vHHOYB2RxY=[/tex], 许用挤压应力 [tex=6.357x1.357]g7bsu9jPT94R5AsNOGiRbX8fXW7hCb88ddd0W3In8TO23iGlMZLa3kCH32SDrfw4YjmRkW6b1lOVXLdVci3yKQ==[/tex]。 试计算螺栓所需的直径。[img=546x204]17a7ae0228563aa.png[/img]
- 带肩杆件如图 3-15 所示, 已知材料的许用切应力[tex=5.357x1.357]G0WVEpmkXOaCLIuFKm+WuybU47yx5x6dLS7KR6eFP/8=[/tex], 许用挤压应力 [tex=6.357x1.357]g7bsu9jPT94R5AsNOGiRbX8fXW7hCb88ddd0W3In8TND7FV4V4mFuDCUQrtM5YlyIexoBmm7lUOHhjK5k4x8ag==[/tex], 许用拉应力[tex=5.5x1.357]dB49rXRJzPj8zBIde78HKGb65fJruqBF9oWyU5xRLo0=[/tex]。试确定许可载荷。[img=251x269]17cf404211224b5.png[/img]
- 一螺栓联接件如图所示。已知[tex=9.643x1.214]dhASu7+97KdDQHYMxUUh8FdnukeXXmlEMAuk35JWDlfgqdPZUgTn3pwpw8Sk5O/H[/tex],螺栓材料的许用切应力[tex=5.429x1.357]eJwONTUv8RM+u5qRE+e9HVjFPPNKLJ05gCB8UeoLvb0=[/tex],试求螺栓的直径。[img=241x115]17d2c51ba2841e7.png[/img]
- 如图 3-12 所示, 拉杆用四个铆钉固定在格板上, 已知拉力[tex=3.714x1.0]mbYTyxXkfRnxjzp7/c1W7PHP6k0nyrtKBX04z1QhG0g=[/tex], 拉杆的案度 [tex=3.929x1.0]cae/f+weJAkilL+jhfA0gDjrJRp4sEDFwy/+Pnl7VMk=[/tex], 厚度[tex=3.929x1.0]twOcNwtuY59AnxdUz59VsxiU+dkT234/NtcGTScece8=[/tex], 铆钉直径 [tex=4.0x1.0]HWbXC28eq33KSfcaq8RnN+kuGTXUFxm8YUMLCUm1uyU=[/tex]; 材料的许用切应力 [tex=5.357x1.357]G0WVEpmkXOaCLIuFKm+WuybU47yx5x6dLS7KR6eFP/8=[/tex], 许用挤压应力[tex=6.357x1.357]g7bsu9jPT94R5AsNOGiRbX8fXW7hCb88ddd0W3In8TO23iGlMZLa3kCH32SDrfw4YjmRkW6b1lOVXLdVci3yKQ==[/tex], 许用拉应力[tex=5.5x1.357]2L55wb6Ie42hvgcbATi2GWJ89xebjM4iM9bOwcSYJU8=[/tex]。试校核铆钉与拉杆的强度。[img=565x199]17cf3f7f7dcf19e.png[/img]
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}