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\u4e3a\u94a2\u4e1d\u7ef3\u7684\u7b49\u6548\u5f39\u6027\u6a21\u91cf\uff0c r A \u4e3a\u94a2\u4e1d\u7ef3\u603b\u7684\u91d1\u5c5e\u622a\u9762\u79ef\uff0c r l \u4e3a\u94a2\u4e1d\u7ef3\u60ac\u6302\u957f\u5ea6\u3002\u6838\u73af\u540a\u8f6e\u8f68\u538b\u4e4b\u548cV F \u53ef\u8868\u793a\u4e3a\u7531\u4e8e\u5f0f\uff081\uff09\u4e3a\u5750\u6807\u8026\u5408\u6027\u5e38\u7cfb\u6570\u5fae\u5206\u65b9\u7a0b\u5f0f\uff0c\u9700\u91c7\u7528\u6570\u503c\u89e3\u6cd5\u6c42\u51fa\u5730\u9707\u54cd\u5e94\u3002\u4f46\u901a\u8fc7\u4e0a\u8ff0\u7ebf\u6027\u5316\u7684\u6a21\u578b\u53ef\u4ee5\u5f97\u51fa\u7cfb\u7edf\u7684\u4e00\u4e9b\u5173\u952e\u53c2\u6570\uff0c\u5982\u963b\u5c3c\u7cfb\u6570\u3001\u94a2\u4e1d\u7ef3\u60ac\u6302\u957f\u5ea6\u7b49\u662f\u5f71\u54cd\u5927\u8f66\u8f6e\u538b\u7684\u91cd\u8981\u53c2\u6570\u3002\u901a\u8fc7\u6709\u9650\u5143\u4eff\u771f\u65b9\u6cd5\uff0c\u5f97\u51fa\u8f6e\u538b\u65f6\u7a0b\uff0c\u5e76\u786e\u5b9a\u8fd9\u4e9b\u53c2\u6570\u5bf9\u6838\u73af\u540a\u8f6e\u538b\u7684\u5f71\u54cd\u30023 \u6709\u9650\u5143\u5efa\u6a21\u53ca\u53c2\u6570\u8bbe\u7f6e\u9996\u5148\u5728Abaqus \u4e2d\u5efa\u7acb\u5b89\u5168\u58f3\u548c\u6838\u73af\u540a\u7684\u6709\u9650\u5143\u6a21\u578b\u3002\u7531\u4e8e\u5927\u8f66\u7ad6\u5411\u521a\u5ea6\u76f8\u5bf9\u4e8e\u4e3b\u6881\u7684\u6a2a\u5411\u521a\u5ea6\u5f88\u5c0f\uff0c\u7b80\u5316\u4e3a\u652f\u817fA\u3001B\u3001C\u3001D\uff0c\u5982\u56fe3 \u6240\u793a\u3002\u5176\u4e2d4 \u4e2a\u652f\u817f\u7684\u7ea6\u675f\u5206\u522b\u89c1\u88681\uff0c1 \u4e3a\u7ea6\u675f\uff0c0 \u4e3a\u81ea\u7531\u3002\u4e3b\u6881\u3001\u7aef\u6881\u91c7\u7528B31 \u6881\u5355\u5143\u3002\u94a2\u4e1d\u7ef3\u91c7\u7528Truss \u6746\u5355\u5143\uff0c\u8c03\u8282\u8d77\u5347\u9ad8\u5ea6H=30 m\u3002\u5176\u6b21\u8bbe\u5b9a\u4eff\u771f\u53c2\u6570\u3002\u53d6\u94a2\u4e1d\u7ef3\u7684\u7b49\u6548\u5f39\u6027\u6a21\u91cf0.5 rE = E [8]\u3002\u7ed3\u6784\u963b\u5c3c\u901a\u5e38\u8868\u793a\u4e3a\u590d\u521a\u5ea6\u7684\u5f62\u5f0f\uff0c\u8fd9\u79cd\u5f62\u5f0f\u5728\u9891\u57df\u5206\u6790\u4e2d\u6bd4\u8f83\u65b9\u4fbf\uff0c\u4f46\u5728\u7ed3\u6784\u975e\u7ebf\u6027\u65f6\u57df\u5206\u6790\u65f6\uff0c\u9700\u8981\u8f6c\u5316\u6210\u745e\u5229\u963b\u5c3c\u7cfb\u6570\u03b1 \u548c\u03b2 [9]\u3002\u5bf9\u4e8e\u7ed9\u5b9ai \u9636\u6a21\u6001\uff0c\u4e34\u754c\u963b\u5c3c\u03bei \u53ef\u8868\u793a\u4e3a\u5730\u9707\u5353\u8d8a\u9891\u7387\u5185\u80fd\u591f\u6fc0\u52b1\u6838\u73af\u540a\u4ea7\u751f\u5706\u9891\u7387\u4e3a1 2 \u03c9 ~\u03c9 \u7684\u632f\u52a8\uff0c\u6839\u636e\u5f0f\u53ef\u6c42\u51fa\u963b\u5c3c\u7cfb\u6570[10]\u5f0f\u4e2d\uff1a\u03b1 \u4e3a\u8d28\u91cf\u963b\u5c3c\u7cfb\u6570\uff0c \u03b2 \u4e3a\u521a\u5ea6\u963b\u5c3c\u7cfb\u6570\uff0c\u03be\u4e3a\u963b\u5c3c\u6bd4\uff0c 1\u03c9 \u4e3a\u5706\u9891\u7387\u4e0b\u9650\uff0c 2\u03c9 \u4e3a\u5706\u9891\u7387\u4e0a\u9650\u3002\u56fe3 \u6838\u73af\u540a\u4e3b\u68811 \u9636\u632f\u578b\u901a\u8fc7\u5bf9\u6ee1\u8f7d\u4e0d\u540c\u8d77\u5347\u9ad8\u5ea6\u7684\u6a21\u578b\u8fdb\u884c\u6a21\u6001\u5206\u6790\uff0c\u786e\u5b9a\u5730\u9707\u4e0b\u6838\u73af\u540a\u4e3b\u6881\u524d2 \u9636\u6a21\u6001\u9891\u7387\u8303\u56f4\u4e3af =2 \uff5e 20Hz\uff0c\u5728\u6b64\u9891\u7387\u5185\u6a21\u578b\u5728\u7a7a\u95f46 \u4e2a\u81ea\u7531\u5ea6\u4e0a\u7684\u632f\u52a8\u53c2\u4e0e\u8d28\u91cf\u90fd\u8fbe\u5230\u4e8690% \u4ee5\u4e0a[11]\u3002\u4f8b\u5982\uff0c\u5728\u8d77\u5347\u9ad8\u5ea630 m\uff0c\u6ee1\u8f7d\u4e0b\u4e3b\u6881\u7684\u7ad6\u5411\u76841 \u9636\u632f\u52a8\u9891\u7387\u4e3a2.4 Hz\uff0c\u540a\u91cd1 \u9636\u632f\u52a8\u7684\u9891\u73874 Hz\uff0c\u4e3b\u6881\u7684\u7ad6\u54112 \u9636\u632f\u52a8\u9891\u7387\u4e3a14.3 Hz\u3002\u8d77\u5347\u9ad8\u5ea6\u8d8a\u5c0f\u540a\u91cd1 \u9636\u632f\u52a8\u9891\u7387\u8d8a\u4f4e\uff0c\u5f53\u8d77\u5347\u9ad8\u5ea6\u7ea6\u4e3a15 m \u65f6\uff0c\u540a\u91cd\u7684\u4e00\u9636\u632f\u52a8\u9891\u7387\u51e0\u4e4e\u548c\u4e3b\u6881\u76841 \u9636\u632f\u52a8\u9891\u7387\u91cd\u5408\u4e3a2.10 Hz\u3002\u7531\u5f0f\uff083\uff09\u53ef\u77e5\uff0c\u5176\u4e3b\u8981\u539f\u56e0\u662f\u94a2\u4e1d\u7ef3\u60ac\u6302\u957f\u5ea6r l \u589e\u52a0\u5bfc\u81f4\u7684\u94a2\u4e1d\u7ef3\u7b49\u6548\u521a\u5ea6r k \u51cf\u5c0f\u3002\u6839\u636e\u6838\u7535\u4e13\u7528\u8d77\u91cd\u673a\u8bbe\u8ba1\u6807\u51c6[12]\uff0c\u6781\u9650\u5b89\u5168\u5730\u9707\u52a8\uff08SL-2\uff0c\u76f8\u5f53\u4e8e\u5b89\u5168\u505c\u5806\u5730\u9707\uff09\u5de5\u51b5\u8fdb\u884c\u8ba1\u7b97\u65f6\u963b\u5c3c\u503c\u4e0d\u5927\u4e8e7%\uff0c\u5b89\u5168\u8fd0\u884c\u5730\u9707\u52a8\uff08SL-1\uff09\u5de5\u51b5\u8ba1\u7b97\u65f6\uff0c\u963b\u5c3c\u6bd4\u4e0d\u5e94\u5927\u4e8e4%\uff0c\u56e0\u6b64\u5728\u8ba1\u7b97\u4e2d\u53d6\u03be = 4%\u3002\u5f97\u5230\u03b1 = 9.139E\u00d71001-1\uff0c\u03b2 = 5.787E\u00d71004-4\uff0c\u5728\u4e3b\u6881\u632f\u52a8\u9891\u7387\u5185\uff0c\u03be \u7684\u53d8\u5316\u5982\u56fe4 \u6240\u793a\u3002\u56fe4 2 \uff5e 20 Hz \u5185\u963b\u5c3c\u6bd4\u03be \u53d8\u5316\u5b89\u5168\u58f3\u5e95\u90e8\u65bd\u52a0El Centro 1979 \u7ad6\u76f4\u5730\u9707\u6ce2\uff0c\u6839\u636e\u6297\u9707\u8bbe\u9632\u70c8\u5ea6\u4e3a8 \u5ea6\uff0c\u573a\u5730\u7c7b\u522b\u4e3aII \u7c7b\u573a\u5730\uff0c\u5c06\u5176\u7ad6\u5411\u5730\u9707\u6ce2\u5e45\u503c\u5f52\u4e00\u5316\u4e3a0.2g \u3002\u4e3a\u8003\u8651\u7ed3\u6784\u7684\u975e\u7ebf\u6027\u54cd\u5e94\uff0c\u91c7\u7528Abaqus \u4e2dHilber-Hughes-Taylor \u9690\u5f0f\u76f4\u63a5\u65f6\u95f4\u79ef\u5206\u7b97\u6cd5\u3002\u53d64 \u4e2a\u5927\u8f66\u5904\u7684\u652f\u6491\u53cd\u529b\u6c42\u548c\uff0c\u5373\u53ef\u5f97\u5230\u6838\u73af\u540a\u8f6e\u538b\u4e4b\u548cV F \uff0c\u89c1\u56fe5\u3002\u5e76\u53ef\u4ee5\u6c42\u5f97\u8f6e\u538b\u653e\u5927\u7cfb\u6570FV \u03bb \u3002\u5f0f\u4e2d\uff1a V max F \u4e3aV F \u7684\u5cf0\u503c\uff08\u6b64\u5904\u7684\u5cf0\u503c\u4e3a\u504f\u79bb\u5e73\u8861\u70b9\u7684\u6700\u5927\u503c\uff09\uff0cG \u4e3a\u6838\u73af\u540a\u8f6e\u538b\u9759\u538b\u529b\u3002\u6c42\u5f97\u8fd9\u79cd\u5efa\u6a21\u65b9\u6cd5\u4e0b\u8f6e\u538b\u653e\u5927\u7cfb\u6570\u4e3a1.25\u3002\u5730\u9707\u8fc7\u7a0b\u4e2d\u5927\u8f66\u652f\u6491\u529b\u5747\u5927\u4e8e0\uff0c\u5927\u8f66\u5e76\u65e0\u8df3\u8f68\uff0c\u53ef\u4ee5\u8ba4\u4e3a\u6838\u73af\u540a\u548c\u5b89\u5168\u58f3\u5728\u7ad6\u76f4\u65b9\u5411\u4e0a\u7684\u632f\u52a8\u4e3a\u8fde\u7eed\u8fc7\u7a0b\uff0c\u73af\u8f68\u7ad6\u76f4\u65b9\u5411\u4e0a\u7684\u52a0\u901f\u5ea6\u65f6\u7a0b\u5373\u6838\u73af\u540a\u5927\u8f66\u7684\u65f6\u7a0b\u3002\u73af\u8f68\u7ad6\u76f4\u65b9\u5411\u7684\u52a0\u901f\u5ea6\u5e45\u503c\u76f8\u5bf9\u4e8e\u8f93\u5165\u5730\u9707\u52a0\u901f\u5ea6\u5e45\u503c\u4ea7\u751f\u4e86\u653e\u5927\uff0c\u5176\u653e\u5927\u7cfb\u6570\u4e3a\u5f0f\u4e2d\uff1aa rail \u4e3a\u73af\u8f68\u5904\u52a0\u901f\u5ea6\u5cf0\u503c\uff0ca in \u4e3a\u8f93\u5165\u52a0\u901f\u5ea6\u5cf0\u503c\uff0c\u6c42\u5f97\u6b64\u65f6\u52a0\u901f\u5ea6\u653e\u5927\u7cfb\u6570\u4e3a1.99\u3002\u56fe5 \u5b8c\u5168\u6a21\u578bH =30 m \u8f6e\u538b\u65f6\u7a0b\u66f2\u7ebf4 \u5f71\u54cd\u53c2\u6570\u5206\u6790\u5f53\u8d77\u540a\u9ad8\u5ea6\u4e0d\u540c\u65f6\uff0c\u7531\u5f0f\uff0c\u60ac\u6302\u94a2\u4e1d\u7ef3\u7684\u521a\u5ea6\u53d1\u751f\u53d8\u5316\uff0c\u5f71\u54cd\u8f6e\u538b\u7684\u54cd\u5e94\u3002\u5728\u6ee1\u8f7d\u60c5\u51b5\u4e0b\u5bf9\u4e0d\u540c\u8d77\u5347\u9ad8\u5ea6\uff0c\u548c\u7a7a\u8f7d\u5de5\u51b5\u8fdb\u884c\u4eff\u771f\u3002\u53ef\u89c1\u7531\u4e8e\u8d77\u540a\u9ad8\u5ea6\u7684\u51cf\u5c0f\uff0c FV \u03bb \u51cf\u5c0f\uff0c\u5373\u5728\u6ee1\u8f7d\u5de5\u51b5\u4e0b\uff0c\u60ac\u6302\u94a2\u4e1d\u7ef3\u957f\u5ea6\u8d8a\u957f\uff0c\u8f6e\u538b\u6ce2\u52a8\u8d8a\u5c0f\u3002\u800c\u5728\u7a7a\u8f7d\u5de5\u51b5\u4e0b\uff0c V F \u5e45\u503c\u7684\u653e\u5927\u7cfb\u6570\u6700\u5927\uff0c\u7ed3\u679c\u89c1\u88682\u3001\u56fe6\u3002\u6240\u4ee5\uff0c\u540a\u91cd\u5bf9\u4e8e\u8f6e\u538b\u7684\u6ce2\u52a8\u6709\u6d88\u51cf\u4f5c\u7528\u3002\u56fe 6 \u5b8c\u5168\u6a21\u578bH =15 m \u8f6e\u538b\u65f6\u7a0b\u66f2\u7ebf5 \u7ed3\u8bba\u6839\u636e\u7ed3\u6784\u7684\u52a8\u529b\u5b66\u5173\u7cfb\u5efa\u7acb\u4e86\u6838\u73af\u540a\u7ad6\u76f4\u632f\u52a8\u7684\u7ebf\u6027\u5316\u6a21\u578b\uff0c\u786e\u5b9a\u4e86\u5f71\u54cd\u8f6e\u538b\u7684\u91cd\u8981\u53c2\u6570\u3002\u8ba8\u8bba\u4e86\u4e0d\u540c\u7684\u8ba1\u7b97\u5efa\u6a21\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\uff0c\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u5efa\u7acb\u4e86\u5b8c\u6574\u7684\u5b89\u5168\u58f3\u548c\u6838\u73af\u540a\u7684\u6709\u9650\u5143\u6a21\u578b\uff0c\u5bf9\u4eff\u771f\u7684\u53c2\u6570\u8bbe\u7f6e\u8fdb\u884c\u4e86\u8ba8\u8bba\uff0c\u5f97\u5230\u4e86\u5927\u8f66\u8f6e\u538b\u65f6\u7a0b\u3002\u5bf9\u4e0d\u540c\u8d77\u5347\u9ad8\u5ea6\u7684\u5de5\u51b5\u8fdb\u884c\u4eff\u771f\uff0c\u4eff\u771f\u7ed3\u679c\u8868\u660e\u8f6e\u538b\u653e\u5927\u7cfb\u6570\u548c\u8d77\u5347\u9ad8\u5ea6\u6709\u5173\uff0c\u5728\u6709\u9650\u7684\u8d77\u5347\u9ad8\u5ea6\u5185\uff0c\u8d77\u5347\u9ad8\u5ea6\u8d8a\u5927\uff0c\u8f6e\u538b\u653e\u5927\u7cfb\u6570\u8d8a\u5927\u3002\u4e3e\u62a5\/\u53cd\u9988\u53d1\u8868\u8bc4\u8bba\u53d1\u8868\u4f5c\u8005\u6700\u65b0\u6587\u7ae0\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u7b2c\u4e09\u4ee3\u6838\u73af\u884c\u8d77\u91cd\u673a\u8fd0\u884c\u7cfb\u7edf \u521a\u67d4\u8026\u5408\u52a8\u529b\u5b66\u4eff\u771f01-2014:40\u6db2\u538b\u6316\u6398\u673a\u8f6c\u53f0\u6709\u9650\u5143\u5206\u6790\u4e0e\u75b2\u52b3\u5f3a\u5ea6\u8bc4\u4f3001-2014:33SPMT \u6db2\u538b\u5e73\u677f\u8f66\u8f66\u677f\u53d8\u5f62\u6709\u9650\u5143\u8ba1\u7b97\u4e0e\u4eff\u771f\u6a21\u62df01-2014:31\u76f8\u5173\u6587\u7ae0\u4e2d\u56fd\u65a5\u8d44600\u4ebf\uff01\u5efa\u7acb32\u4e2a\u6d77\u4e0a\u6d6e\u52a8\u6838\u7535\u7ad9\uff0c\u52a8\u529b\u8d85\u8fc7\u7f8e\u56fd\u798f\u7279\u7ea7\u822a\u6bcd\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u7b2c\u4e09\u4ee3\u6838\u73af\u884c\u8d77\u91cd\u673a\u8fd0\u884c\u7cfb\u7edf \u521a\u67d4\u8026\u5408\u52a8\u529b\u5b66\u4eff\u771f\u851a\u6765\u7b2c\u4e8c\u5de5\u5382\u8fdb\u5165\u65bd\u5de5\u62db\u6807\u9636\u6bb5\uff0c\u9879\u76ee\u5408\u540c\u4f30\u7b97\u4ef7\u7ea6 3.5 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\u672c\u6587\u6765\u6e90\u4e8e\u7a0b\u5e8f\u81ea\u52a8\u6574\u7406\uff0c\u7248\u6743\u4e89\u8bae\u4e0e\u672c\u7ad9\u65e0\u5173\uff0c\u5982\u6709\u4fb5\u6743\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u3002
\n \u5180\u5dde\u533a\u626c\u79b9\u6c34\u5de5\u673a\u68b0\u5382
\n \u5382\u5bb6\u76f4\u9500\uff0c\u652f\u6301\u5b9a\u5236\uff0c\u91cf\u5927\u4f18\u60e0
\n \u624b\u673a\uff1a13663289587
\n \u5730\u5740\uff1a\u6cb3\u5317\u7701\u5180\u5dde\u533a\u9ad8\u7530\u5de5\u4e1a\u533a<\/p>\n","protected":false},"excerpt":{"rendered":"\u5b59\u6770\u950b \u5c48\u798f\u653f \u5f20\u6625\u51490 \u5f15\u8a00\u6838\u7535\u7ad9\u73af\u884c\u8d77\u91cd\u673a\u662f\u4e00\u79cd\u5b89\u88c5\u5728\u6838\u7535\u7ad9\u53cd\u5e94\u5806\u5382\u623f\u4e0a\u7684\u73af\u884c\u8d77\u91cd\u673a\uff08\u4ee5\u4e0b\u7b80\u79f0\u6838\u73af\u540a\uff09\uff0c\u7528\u4e8e\u540a\u8fd0\u6838\u7535...","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[23,21,270,72,22],"class_list":["post-1397","post","type-post","status-publish","format-standard","hentry","category-hangyezixun","tag-shensuofeng","tag-qibiji","tag-270","tag-72","tag-zhamen"],"_links":{"self":[{"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=\/wp\/v2\/posts\/1397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1397"}],"version-history":[{"count":1,"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=\/wp\/v2\/posts\/1397\/revisions"}],"predecessor-version":[{"id":1398,"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=\/wp\/v2\/posts\/1397\/revisions\/1398"}],"wp:attachment":[{"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jizhouyy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}