水泥硂路面根据交通等级拟定板厚h=25cm,可靠度系数为 Y r=1.12求得pr=2.96MP tr=1.14MPa，fr=4.5MPa（28天 公路水泥混凝土路面的基本知识
\u6c34\u6ce5\u6df7\u51dd\u571f\u8def\u9762\u53ef\u9760\u5ea6\u7cfb\u6570\u600e\u4e48\u8ba1\u7b97\u8bd5\u8ff0\u6c34\u6ce5\u6df7\u51dd\u571f\u8def\u9762\u8bbe\u8ba1\u7406\u8bba\u8bbe\u8ba1\u6307\u6807
1\u3001\u9009\u62e9\u6807\u51c6\uff08\u786e\u5b9a\u53ef\u9760\u5ea6\u7cfb\u6570\u6807\u51c6\uff09
2\u3001\u4ea4\u901a\u6d41\u91cf\u8c03\u67e5
3\u3001\u6839\u636e\u4ea4\u901a\u6d41\u91cf\uff0c\u6362\u7b97\u6807\u51c6\u8f74\u91cd\u3002\u786e\u5b9a\u6df7\u51dd\u571f\u5f2f\u62c9\u5f3a\u5ea6\u6807\u51c6\u503c
4\u3001\u786e\u5b9a\u6df7\u51dd\u571f\u6297\u51bb\u6df1\u5ea6\u3001\u6e29\u5dee\u68af\u5ea6
5\u3001\u8def\u9762\u7ed3\u6784\u5c42\u7ec4\u5408\u8bbe\u8ba1\uff08\u67e5\u770b\u300a\u516c\u8def\u8def\u57fa\u8def\u57fa\u8bbe\u8ba1\u89c4\u8303\u300b\uff09
\u2460\u57ab\u5c42\u8bbe\u8ba1\uff08\u6700\u5c0f\u539a\u5ea6\u4e0d\u5c0f\u4e8e150mm),\u4e3b\u8981\u7528\u4e8e\u6392\u6c34\uff0c\u5982\u679c\u6392\u6c34\u6761\u4ef6\u597d\uff0c\u53ef\u4ee5\u7701\u7565
\u2461\u5e95\u57fa\u5c42\u8bbe\u8ba1\uff08\u6750\u6599\u67094%\u6c34\u6ce5\u7a33\u5b9a\u788e\u77f3\u3001\u77f3\u7070\u7c89\u7164\u7070i\u788e\u77f3\u3001\u77f3\u7070\u7c89\u7164\u7070\u788e\u77f3\u571f\u3001\u6c34\u6ce5\u7a33\u5b9a\u788e\u77f3\u571f\u3002\u3002\u3002\u3002\u3002\u3002\u539a\u5ea6\uff1a150-250mm\uff09
\u2462\u57fa\u5c42\u8bbe\u8ba1\uff08\u6700\u5c0f\u539a\u5ea6150mm\uff0c5-5.5%\u6c34\u6ce5\u7a33\u5b9a\u6216\u8005\u8d2b\u6df7\u51dd\u571f\u7a33\u5b9a\u7c92\u6599\uff0c\u6ca5\u9752\u7a33\u5b9a\u7c92\u6599\u7b49\uff09
\u2463\u6c34\u6ce5\u6df7\u51dd\u571f\u9762\u5c42\u5e94\u5177\u6709\u8db3\u591f\u7684\u5f3a\u5ea6\u3001\u8010\u4e45\u6027\uff0c\u8868\u9762\u6297\u6ed1\u3001\u8010\u78e8\u3001\u5e73\u6574\u3002\u8fde\u7eed\u914d\u7b4b\u6df7\u51dd\u571f\u9762\u5c42\u3001\u8fde\u7eed\u914d\u7b4b\u6df7\u51dd\u571f\u6216\u6a2a\u7f1d\u8bbe\u4f20\u529b\u6746\u7684\u666e\u901a\u6df7\u51dd\u571f\u4e0b\u9762\u5c42\u7ec4\u6210\u7684\u590d\u5408\u5f0f\u8def\u9762\u3001\u94a2\u7ea4\u7ef4\u6df7\u51dd\u571f\u9762\u5c42\u3001\u78be\u538b\u6df7\u51dd\u571f\u9762\u5c42\u3002\u539a\u5ea6210-270mm(\u6839\u636e\u7b49\u7ea7\u6807\u51c6\u9009\u62e9\uff09\u6df7\u51dd\u571f\u6297\u6298\u5f3a\u5ea64.5-5.5MPa(\u6839\u636e\u7b49\u7ea7\u9009\u62e9\uff09\u3002
3 \u4e8c\u7070\u7a33\u5b9a\u788e\u77f3\u57fa\u5c42\u4e0e\u65bd\u5de5\u4e2d\u7684\u8d28\u91cf\u76d1\u63a7
\uff081\uff09\u9996\u5148\u662f\u5bf9\u6750\u6599\u8fdb\u884c\u68c0\u9a8c\uff0c\u675c\u7edd\u4e0d\u5408\u683c\u6750\u6599\u8fdb\u5165\u62cc\u5408\u73b0\u573a\uff1b\uff082\uff09\u4e25\u683c\u63a7\u5236\u914d\u5408\u6bd4\uff0c\u6bcf\u5929\u8fdb\u884c2\u6b21\u788e\u77f3\u542b\u6c34\u91cf\u5206\u6790\uff0c\u4ee5\u4fbf\u786e\u5b9a\u62cc\u5408\u6c34\u7684\u6700\u4f73\u7528\u91cf\uff1b\uff083\uff09\u5f7b\u5e95\u6e05\u9664\u57ab\u5c42\u8868\u9762\u7684\u6d6e\u7802\u3001\u6d6e\u571f\u548c\u6742\u7269\uff0c\u5982\u5c40\u90e8\u5730\u6bb5\u57ab\u5c42\u635f\u574f\uff0c\u5219\u6e05\u7406\u5e72\u51c0\u540e\u7528\u4e8c \u7070\u6df7\u5408\u6599\u586b\u8865\u5e76\u78be\u538b\uff0c\u7ecf\u6d12\u6c34\u540e\u518d\u6b63\u5f0f\u644a\u94fa\u4e8c\u7070\u5c42\uff1b\uff084\uff09\u5bf9\u62cc\u597d\u7684\u6df7\u5408\u6599\u8fdb\u884c\u538b\u5b9e\u8bd5\u9a8c\uff0c\u4ee5\u4fbf\u786e\u5b9a\u538b\u7f29\u7cfb\u6570\u6216\u677e\u6563\u7cfb\u6570\uff0c\u4ee5\u6b64\u786e\u5b9a\u6bcf\u4e2a\u65ad\u9762\u7684 \u677e\u94fa\u539a\u5ea6\uff0c\u7531\u4e8e\u914d\u5408\u6bd4\u548c\u6750\u6599\u7684\u5dee\u5f02\uff0c\u6bcf\u5929\u5e94\u9996\u5148\u505a\u677e\u6563\u7cfb\u6570\u7684\u8bd5\u9a8c\uff0c\u7136\u540e\u518d\u8fdb\u884c\u5927\u9762\u79ef\u644a \u94fa\uff1b(5)\u644a\u94fa\u65f6\u5bf9\u5bbd\u5ea6\u3001\u9ad8\u5ea6\u3001\u5e73\u6574\u5ea6\u548c\u6a2a\u5761\u5ea6\u8fdb\u884c\u8d28\u91cf\u76d1\u63a7\uff1b\uff086\uff09\u91c7\u7528\u9971\u548c\u6d12\u6c34\u78be\u538b\uff0c25 t (250 kN)\u632f\u52a8\u538b\u8def\u673a\u7b2c\u4e00\u5929\u538b6\uff5e8\u904d\uff0c\u7b2c\u4e8c\u5929\u518d\u538b4\uff5e6\u904d\uff0c \u4e8c\u7070\u7a33\u5b9a\u788e\u77f3\u57fa\u5c42\u5373\u6210\u578b\uff1b\uff087\uff09\u901a\u8fc77\u5929\u7684\u6e7f\u5f0f\u517b\u751f\u540e\uff0c\u5de5\u7a0b\u5904\u8fdb\u884c\u8d28\u91cf\u81ea\u68c0\uff0c\u6574\u7406\u6709\u5173\u6280\u672f\u8d44\u6599\uff0c\u8bf7\u76d1\u7406\u8fdb\u884c\u68c0\u67e5\u5e76 \u8bf7\u6c42\u5f2f\u6c89\u6d4b\u8bd5\u3002\u5728\u76d1\u7406\u8ba4\u53ef\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u7533\u8bf7\u4e0b\u4e00\u5de5\u5e8f\u7684\u65bd\u5de5\u3002
4\uff0e4 \u6df7\u51dd\u571f\u9762\u5c42\u65bd\u5de5\u4e2d\u7684\u8d28\u91cf\u76d1\u63a7
\u5bf9\u6750\u6599\u7684\u8d28\u91cf\u76d1\u63a7\u548c\u5bf9\u914d\u5408\u6bd4\u7684\u76d1\u63a7\u524d\u9762\u5df2\u8bba\u8ff0\uff0c\u6b64\u5904\u4e0d\u518d\u91cd\u590d\u3002\u4e0b\u9762\u4e3b\u8981\u8bba\u8ff0\u65bd\u5de5\u8fc7\u7a0b\u4e2d \u7684\u8d28\u91cf\u76d1\u63a7\u3002
4.4.1 \u6a21\u677f\u5b89\u88c5\u7684\u8d28\u91cf\u76d1\u63a7
\u9996\u5148\u5bf9\u4e2d\u3001\u8fb9\u6869\u8fdb\u884c\u6d4b\u91cf\u653e\u6837\uff0c\u6309\u7167\u8bbe\u8ba1 \u9ad8\u7a0b\u5b89\u88c5\u6a21\u677f\uff0c\u5b89\u88c5\u5b8c\u6bd5\u540e\u518d\u5bf9\u6a21\u677f\u8fdb\u884c\u5b9e\u5730\u590d\u6d4b\uff0c\u5bf9\u6709\u504f\u5dee\u7684\u7acb\u5373\u8c03\u6574\uff0c\u4f7f\u9ad8\u7a0b\u3001\u4e2d\u7ebf\u3001 \u8fb9\u7ebf\u3001\u987a\u76f4\u5ea6\u3001\u7a33\u56fa\u7a0b\u5ea6\u7b49\u5747\u7b26\u5408\u8981\u6c42\uff0c\u786e\u8ba4\u65e0\u8bef\u540e\u5bf9\u6a21\u677f\u5e95\u90e8\u7a7a\u9699\u7528\u7802\u6d46\u5c01\u5835\u3002\u7b2c\u4e8c\u6b65\u662f \u5bf9\u6d47\u6ce8\u539a\u5ea6\u8fdb\u884c\u68c0\u67e5\uff0c\u4ee5\u6bcf10 m\u4e3a\u4e00\u4e2a\u65ad\u9762\uff0c\u6bcf\u4e2a\u65ad\u9762\u968f\u673a\u68c0\u67e53\u4e2a\u70b9\uff0c\u5982\u6d47\u6ce8\u539a\u5ea6\u8fbe\u4e0d\u5230 \u8bbe\u8ba1\u8981\u6c42\uff0c\u5219\u8981\u628a\u4e8c\u7070\u57fa\u5c42\u51ff\u4f4e\uff0c\u4ee5\u6ee1\u8db3\u6df7\u51dd\u571f\u6d47\u6ce8\u539a\u5ea6\u8981\u6c42\u3002\u6700\u540e\u5728\u6a21\u677f\u5185\u4fa7\u6d82\u4e0a\u8131\u6a21\u5242 \u3002
\u8be5\u5de5\u5e8f\u4e2d\u6700\u5e94\u6ce8\u610f\u5982\u4e0b2\u4e2a\u65b9\u9762\uff1a(1)\u6a21\u677f\u5916\u4fa7\u4e00\u5b9a\u8981\u6709\u591a\u4e2a\u652f\u6491\u73af\uff0c\u4ee5\u4fbf\u80fd\u7528\u5b83\u6765\u652f\u7a33\u6a21\u677f\u3002\u907f\u514d\u5728\u632f\u6363\u65f6\u6324\u6b6a\u751a\u81f3\u6324\u57ae\u6a21 \u677f\uff0c\u4ece\u800c\u5f71\u54cd\u6df7\u51dd\u571f\u7684\u5bbd\u5ea6\u548c\u5e73\u76f4\u5ea6\uff1b(2)\u5e94\u5c3d\u91cf\u9009\u7528\u9ad8\u5ea6\u4e0e\u6df7\u51dd\u571f\u9762\u677f\u539a\u5ea6\u4e00\u81f4\u7684\u6a21\u677f\uff0c\u5982\u6a21\u677f\u9ad8\u5ea6\u6bd4\u6df7\u51dd\u571f\u9762\u677f\u539a\u5ea6\u7a0d\u5c0f\u65f6\uff0c \u5e94\u7528\u7802\u6d46\u8ba4\u771f\u5c01\u5835\u6a21\u677f\u5e95\u90e8\u7a7a\u9699\uff0c\u5f85\u7802\u6d46\u6709\u4e00\u5b9a\u5f3a\u5ea6\u540e\u624d\u80fd\u6d47\u6ce8\u6df7\u51dd\u571f\uff0c\u4e0d\u7136\u5728\u632f\u6363\u65f6\u4f1a\u4e25 \u91cd\u6f0f\u6d46\uff0c\u4ece\u800c\u964d\u4f4e\u6df7\u51dd\u571f\u9762\u677f\u7684\u6807\u53f7\u3002
4.4\uff0e2 \u73b0\u573a\u6e05\u7406
\u6a21\u677f\u5b89\u88c5\u7ed3\u675f\u540e\uff0c\u5e94\u8ba4\u771f\u6e05\u7406\u6d47\u6ce8\u73b0\u573a\u5185\u7684\u6ce5\u7802\u3001\u6d6e \u77f3\u548c\u6742\u7269\uff0c\u5e76\u4e14\u6d12\u4e00\u6b21\u900f\u6c34\uff0c\u518d\u8bf7\u73b0\u573a\u76d1\u7406\u5de5\u7a0b\u5e08\u5bf9\u6a21\u677f\u5b89\u88c5\u3001\u6d47\u6ce8\u539a\u5ea6\u3001\u6750\u6599\u3001\u8bbe\u5907\u548c \u65bd\u5de5\u51c6\u5907\u7b49\u60c5\u51b5\u8fdb\u884c\u68c0\u67e5\uff0c\u68c0\u67e5\u5408\u683c\u5e76\u5728\u68c0\u67e5\u8868\u4e0a\u7b7e\u5b57\u540e\u65b9\u53ef\u8fdb\u884c\u6df7\u51dd\u571f\u6d47\u6ce8\u3002
4.4.3 \u62cc\u5408
\u5728\u6df7\u51dd\u571f\u62cc\u5408\u73b0\u573a\u5fc5\u987b\u6709\u8d28\u91cf\u76d1\u63a7\u4eba\u5458\u8ddf\u73ed\uff0c\u5176\u804c\u8d23\u9664\u4e25 \u683c\u63a7\u5236\u6750\u6599\u6309\u914d\u5408\u6bd4\u6295\u653e\u5916\uff0c\u8fd8\u8981\u63a7\u5236\u6405\u62cc\u65f6\u95f4\uff0c\u9632\u6b62\u7ed3\u5757\u6c34\u6ce5\u888b\u788e\u5c51\u3001\u6811\u76ae\u3001\u8349\u6839\u3001\u6ce5\u5757 \u7b49\u6742\u7269\u8fdb\u5165\u6599\u6597\uff0c\u4ee5\u53ca\u8d1f\u8d23\u6d4b\u8bd5\u7c97\u7ec6\u96c6\u6599\u7684\u542b\u6c34\u91cf\u548c\u4e0d\u5b9a\u671f\u6821\u6b63\u624b\u63a8\u8f66\u5bb9\u91cf\uff0c\u8d1f\u8d23\u505a\u584c\u843d\u5ea6 \u8bd5\u9a8c\u548c\u505a\u8bd5\u5757\u7b49\u5de5\u4f5c\u3002\u53ef\u4ee5\u8bb2\u5b83\u662f\u9664\u6750\u6599\u6d4b\u8bd5\u4ee5\u5916\u7684\u7b2c\u4e8c\u9053\u5173\u53e3\u3002
4.4.4 \u6df7\u51dd\u571f\u6d47\u6ce8\u8fc7\u7a0b\u4e2d\u7684\u8d28\u91cf\u76d1\u63a7
(1)\u644a\u94fa\u4e0e\u632f\u6363\uff1a\u7531\u4e8e\u6bcf5\uff5e7 km\u624d\u8bbe\u4e00\u4e2a\u6405\u62cc\u7ad9\uff0c\u6240\u4ee5\u6df7\u5408\u6599\u5728\u8fd0\u8f93\u8fc7\u7a0b\u4e2d\u591a\u5c11\u4f1a\u51fa\u73b0\u7c7b\u4f3c \u79bb \u6790\u7684\u4e0d\u5747\u5300\u73b0\u8c61\uff0c\u56e0\u6b64\uff0c\u7b80\u5355\u7684\u644a\u5e73\u632f\u6363\uff0c\u5728\u9760\u8fd1\u6a21\u677f\u5904\u5f80\u5f80\u4f1a\u51fa\u73b0\u8702\u7a9d\u73b0\u8c61\u3002\u800c\u6a21\u677f\u65c1\u91c7 \u7528\u4eba\u5de5\u7528\u94c1\u94f2\u9001\u6599\u5e76\u4e14\u7ffb\u94f2\u62cd\u7d27\uff0c\u4f7f\u6a21\u677f\u65c1\u5145\u5206\u586b\u6ee1\u6df7\u5408\u6599\uff0c\u518d\u7ecf\u632f\u6363\u540e\u5c31\u6ca1\u6709\u8702\u7a9d\u73b0\u8c61\u4e86 \u3002
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顶你，我不会
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绛旓細涓骞村ソ杩愰殢鏄ュ埌 鍥涘褰╀簯婊氭粴鏉 妯壒锛氫竾浜嬪鎰
绛旓細棰勫埗C20鐮9661m3 ,20cm浣庡墏閲忔按绋崇鐭冲簳鍩哄眰295332銕,18cm姘存偿绋冲畾纰庣煶鍩哄眰79506銕, 19cm姘存偿绋冲畾纰庣煶鍩哄眰533536 銕, 閫忓眰344375 銕, 灏佸眰345725 銕, 绮樺眰876386銕,8cm鍘氱矖绮掑紡娌ラ潚娣峰嚌鍦熶笅闈㈠眰335659銕, 6cm鏀规ф播闈掓贩鍑濆湡涓潰灞541209銕,4cm鏀规ф播闈掓贩鍑濆湡涓婇潰灞541209銕,C25娣峰嚌鍦熼鍒跺潡璺紭鐭12866m鍔犲浐...
