[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2Eej1ygMoHzOMSKqLM2JpYU8Dxun71AWQXICwIBf2So":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":81},[],"2024-12-23 20:33:38",173417126,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},14,"04287ebce89804225baa8f655d1f841f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fde1ed457a0dc25dadb5e3017646adb42.jpg","Mechanics of Materials","work_39918917","连接件实用计算(复习)","对于圆柱形连接件的挤压强度问题,应该直接用受挤压的半圆柱面来计算挤压应力",[19,31,40,49,58,67,76,82,85,92],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2024-12-23 20:28:05",173414522,[24,25,26,27],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd8c5cf316ef42fa4b947ce2a47992c6b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdb5c12f85d460b0d2859ea0763f12d28.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F34a546ad473d098dae99fffc3af809b8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F074ec47fb259323ed2f0dfda964e9f35.png\">","右图所示为铆钉连接,铆钉的挤压应力σbs为 .\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbb06692d75207a592eb698b369100870.png\">","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],173414523,[35,36,37,38],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8bda35826b2f4ae40edbd7a7c82e10db.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe6e76accf3803baf02d7b7495e6da392.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb8b1220f54a2cc0c1f9759226a25bb0b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff99f506d7e1494dc5bd0cb54521bd355.png\">","右下图示铆钉连接,铆钉的剪切应力τ为 .\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0dea9e93676d3db8112afc2dba9c8519.png\">",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],173414524,[44,45,46,47],"螺栓拉伸","螺栓挤压","螺栓的剪切","平板的挤压","在平板与螺栓之间加一垫片,可以提高 的强度.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F972f88dcd8475edeb84a4aba287b134b.png\">",{"answer":50,"createTime":21,"id":51,"options":52,"question":57,"source":29,"type":30},[],173414525,[53,54,55,56],"P\u002F4dt<[σbs]","P\u002F2dt<[σbs]","P\u002F3dt<[σbs]","P\u002Fdt<[σbs]","如下图所示拉杆厚度都为t,用四个直径都为d的铆钉固定在连接板上,拉力为P,各铆钉的受力相同,正常工作状态下,则铆钉的挤压强度为() \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F91a3bc676907dec7ce954d5bf8f24e41.png\">",{"answer":59,"createTime":21,"id":60,"options":61,"question":66,"source":29,"type":30},[],173414526,[62,63,64,65],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e249c2d78f893ac30c99c70ef3c27d7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aca5f0b861b780b8b3b298f0b92683c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4ec30609d03280f0aff55294f4a2dae9.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F19a9db3db9fd40a3fd4f7a49a8dfb2cd.png\">","图示拉杆头和拉杆的横截面均为圆形,拉杆头的剪切面积A为 . \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd3761cff7127bb504531ab45fcb29037.png\">",{"answer":68,"createTime":21,"id":69,"options":70,"question":75,"source":29,"type":30},[],173414527,[71,72,73,74],"以切应力在剪切面上均匀分布为基础的","剪切面为圆形或方形","以切应力不超过材料的剪切比例极限为基础的","剪切面积大于挤压面积","连接件切应力的实用计算是 为基础的",{"answer":77,"createTime":5,"id":78,"options":79,"question":80,"source":29,"type":81},[],173417125,[8,9],"挤压发生在局部表面,是连接件在接触面上的相互压紧;而压缩是发生在杆件的内部",3,{"answer":83,"createTime":5,"id":6,"options":84,"question":17,"source":29,"type":81},[],[8,9],{"answer":86,"createTime":87,"id":88,"options":89,"question":90,"source":29,"type":91},[],"2025-01-04 16:51:07",173417127,[],"图示中的剪切面面积 ,挤压面面积 . \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3933b0a03b4cc40be6b26433cd21b1ff.png\">",2,{"answer":93,"createTime":94,"id":95,"options":96,"question":101,"source":29,"type":30},[],"2025-01-04 09:44:53",176168991,[97,98,99,100],"陈独秀","李大钊","毛泽东","刘少奇","1938年,( )在党的六届六中全会上作了《论新阶段》的报告,正式提出"马克思主义的中国化"这一命题. ( )"]