计算钢筋工程量 钢筋工程量计算规则
\u94a2\u7b4b\u5de5\u7a0b\u91cf\u600e\u4e48\u8ba1\u7b97\u4e00\u5206\u949f\u8bfb\u61c2\u94a2\u7b4b\u5de5\u7a0b\u91cf\u8ba1\u7b97
\u94a2\u7b4b\u8ba1\u7b97\u539f\u7406
\u94a2\u7b4b\u91cd\u91cf=\u94a2\u7b4b\u957f\u5ea6*\u6839\u6570*\u7406\u8bba\u91cd\u91cf
\u94a2\u7b4b\u957f\u5ea6=\u51c0\u957f+\u8282\u70b9\u951a\u56fa+\u642d\u63a5+\u5f2f\u94a9\uff08\u4e00\u7ea7\u6297\u9707\uff09
\u67f1
\u57fa\u7840\u5c42\uff1a\u7b4f\u677f\u57fa\u7840\u3008=2000mm\u65f6\uff0c \u57fa\u7840\u63d2\u7b4b\u957f\u5ea6=\u57fa\u7840\u5c42\u5c42\u9ad8-\u4fdd\u62a4\u5c42+\u57fa\u7840\u5f2f\u6298a+\u57fa\u7840\u7eb5\u7b4b\u5916\u9732\u957f\u5ea6HN/3+\u4e0e\u4e0a\u5c42\u7eb5\u7b4b\u642d\u63a5\u957f\u5ea6LLE\uff08\u5982\u710a\u63a5\u65f6\uff0c\u642d\u63a5\u957f\u5ea6\u4e3a0\uff09
\u7b4f\u677f\u57fa\u7840\u30092000mm\u65f6\uff0c \u57fa\u7840\u63d2\u7b4b\u957f\u5ea6=\u57fa\u7840\u5c42\u5c42\u9ad8/2-\u4fdd\u62a4\u5c42+\u57fa\u7840\u5f2f\u6298a+\u57fa\u7840\u7eb5\u7b4b\u5916\u9732\u957f\u5ea6HN/3+\u4e0e\u4e0a\u5c42\u7eb5\u7b4b\u642d\u63a5\u7684\u957f\u5ea6LLE\uff08\u5982\u710a\u63a5\u65f6\uff0c\u642d\u63a5\u957f\u5ea6\u4e3a0\uff09
\u5730\u4e0b\u5ba4\uff1a\u67f1\u7eb5\u7b4b\u957f\u5ea6=\u5730\u4e0b\u5ba4\u5c42\u9ad8-\u672c\u5c42\u51c0\u9ad8HN/3+\u9996\u5c42\u697c\u5c42\u51c0\u9ad8HN/3+\u4e0e\u9996\u5c42\u7eb5\u7b4b\u642d\u63a5LLE\uff08\u5982\u710a\u63a5\u65f6\uff0c\u642d\u63a5\u957f\u5ea6\u4e3a0\uff09
\u9996\u5c42\uff1a\u67f1\u7eb5\u7b4b\u957f\u5ea6=\u9996\u5c42\u5c42\u9ad8-\u9996\u5c42\u51c0\u9ad8HN/3+max(\u4e8c\u5c42\u51c0\u9ad8HN/6\uff0c500\uff0c\u67f1\u622a\u9762\u8fb9\u957f\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09)+\u4e0e\u4e8c\u5c42\u7eb5\u7b4b\u642d\u63a5\u7684\u957f\u5ea6LLE\uff08\u5982\u710a\u63a5\u65f6\uff0c\u642d\u63a5\u957f\u5ea6\u4e3a0\uff09
\u4e2d\u95f4\u5c42\uff1a\u67f1\u7eb5\u7b4b\u957f\u5ea6=\u4e8c\u5c42\u5c42\u9ad8-max(\u4e8c\u5c42\u5c42\u9ad8HN/6\uff0c500\uff0c\u67f1\u622a\u9762\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09)+max\uff08\u4e09\u5c42\u5c42\u9ad8HN/6\uff0c500\uff0c\u67f1\u622a\u9762\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09\uff09+\u4e0e\u4e09\u5c42\u642d\u63a5LLE\uff08\u5982\u710a\u63a5\u65f6\uff0c\u642d\u63a5\u957f\u5ea6\u4e3a0\uff09
\u9876\u5c42\uff1a
\u89d2\u67f1\uff1a\u5916\u4fa7\u94a2\u7b4b\u957f\u5ea6=\u9876\u5c42\u5c42\u9ad8\uff0dmax\uff08\u672c\u5c42\u697c\u5c42\u51c0\u9ad8HN/6\uff0c500\uff0c\u67f1\u622a\u9762\u957f\u8fb9\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09\uff09\uff0d\u6881\u9ad8+1.5LAE
\u5185\u4fa7\u94a2\u7b4b\u957f\u5ea6=\u9876\u5c42\u5c42\u9ad8\uff0dmax(\u672c\u5c42\u697c\u5c42\u51c0\u9ad8HN/6\uff0c500\uff0c\u67f1\u622a\u9762\u957f\u8fb9\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09)-\u6881\u9ad8+LAE
\u5176\u4e2d\u951a\u56fa\u957f\u5ea6\u53d6\u503c\uff1a
\u5f53\u67f1\u7eb5\u7b4b\u4f38\u5165\u6881\u5185\u7684\u76f4\u5f84\u957f\u3008LAE\u65f6\uff0c\u5219\u4f7f\u7528\u5f2f\u951a\uff0c\u67f1\u7eb5\u7b4b\u4f38\u81f3\u67f1\u9876\u540e\u5f2f\u629812d\uff0c\u951a\u56fa\u957f\u5ea6=\u6881\u9ad8-\u4fdd\u62a4\u5c42+12d\uff1b\u5f53\u67f1\u7eb5\u7b4b\u4f38\u5165\u6881\u5185\u7684\u76f4\u5f84\u957f\u3009=LAE\u65f6\uff0c\u5219\u4f7f\u7528\u76f4\u951a\uff1a\u67f1\u7eb5\u7b4b\u4f38\u81f3\u67f1\u9876\u540e\u622a\u65ad\uff0c\u951a\u56fa\u957f\u5ea6=\u6881\u9ad8-\u4fdd\u62a4\u5c42\uff0c
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\u5185\u4fa7\u94a2\u7b4b\u6839\u6570\u4e3a\uff1a1\u6839\u89d2\u7b4b\uff0cb\u8fb9\u94a2\u7b4b\u603b\u6570\u76841/2\uff0ch\u8fb9\u603b\u6570\u76841/2\u3002
\u8fb9\u67f1\uff1a\u5916\u4fa7\u94a2\u7b4b\u957f\u5ea6=\u9876\u5c42\u5c42\u9ad8\uff0dmax\uff08\u672c\u5c42\u697c\u5c42\u51c0\u9ad8HN/6\uff0c500\uff0c\u67f1\u622a\u9762\u957f\u8fb9\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09\uff09\uff0d\u6881\u9ad8+1.5LAE
\u5185\u4fa7\u94a2\u7b4b\u957f\u5ea6=\u9876\u5c42\u5c42\u9ad8\uff0dmax(\u672c\u5c42\u697c\u5c42\u51c0\u9ad8HN/6\uff0c500\uff0c\u67f1\u622a\u9762\u957f\u8fb9\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09)-\u6881\u9ad8+LAE
\u5f53\u6846\u67b6\u67f1\u4e3a\u77e9\u5f62\u622a\u9762\u65f6\uff0c\u5916\u4fa7\u94a2\u7b4b\u6839\u6570\u4e3a\uff1a2\u6839\u89d2\u7b4b\uff0cb\u8fb9\u4e00\u4fa7\u94a2\u7b4b\u603b\u6570
\u5185\u4fa7\u94a2\u7b4b\u6839\u6570\u4e3a\uff1a2\u6839\u89d2\u7b4b\uff0cb\u8fb9\u4e00\u4fa7\u94a2\u7b4b\u603b\u6570\uff0ch\u8fb9\u4e24\u4fa7\u94a2\u7b4b\u603b\u6570\u3002
\u4e2d\u67f1\uff1a\u7eb5\u7b4b\u957f\u5ea6=\u9876\u5c42\u5c42\u9ad8-max\uff08\u672c\u5c42\u697c\u5c42\u51c0\u9ad8Hn/6\uff0c500\uff0c\u67f1\u622a\u9762\u957f\u8fb9\u5c3a\u5bf8\uff08\u5706\u67f1\u76f4\u5f84\uff09\uff09-\u6881\u9ad8+\u951a\u56fa
\u5176\u4e2d\u951a\u56fa\u957f\u5ea6\u53d6\u503c\uff1a
\u5f53\u67f1\u7eb5\u7b4b\u4f38\u5165\u6881\u5185\u7684\u76f4\u5f84\u957f\u3008LAE\u65f6\uff0c\u5219\u4f7f\u7528\u5f2f\u951a\uff0c\u67f1\u7eb5\u7b4b\u4f38\u81f3\u67f1\u9876\u540e\u5f2f\u629812d\uff0c\u951a\u56fa\u957f\u5ea6=\u6881\u9ad8-\u4fdd\u62a4\u5c42+12d\uff1b\u5f53\u67f1\u7eb5\u7b4b\u4f38\u5165\u6881\u5185\u7684\u76f4\u5f84\u957f\u3009=LAE\u65f6\uff0c\u5219\u4f7f\u7528\u76f4\u951a\uff1a\u67f1\u7eb5\u7b4b\u4f38\u81f3\u67f1\u9876\u540e\u622a\u65ad\uff0c\u951a\u56fa\u957f\u5ea6=\u6881\u9ad8-\u4fdd\u62a4\u5c42\uff0c
\u6881
\u6881\u7684\u5e73\u9762\u8868\u793a\u65b9\u6cd5\uff1a
\u96c6\u4e2d\u6807\u6ce8-
1\u3001 \u6881\u7f16\u53f7
2\u3001 \u622a\u9762\u5c3a\u5bf8
3\u3001 \u7b8d\u7b4b
4\u3001 \u4e0a\u90e8\u8d2f\u901a\u7b4b\u6216\u67b6\u7acb\u94a2\u7b4b
5\u3001 \u4fa7\u9762\u7eb5\u5411\u6784\u9020\u94a2\u7b4b\u6216\u53d7\u626d\u94a2\u7b4b
6\u3001 \u6881\u9876\u9762\u6807\u9ad8\u9ad8\u5dee
\u539f\u4f4d\u6807\u6ce8
7\u3001 \u6881\u652f\u5ea7\u4e0a\u90e8\u7b4b
8\u3001 \u6881\u4e0b\u90e8\u94a2\u7b4b
9\u3001 \u540a\u7b4b\u3001\u9644\u52a0\u94a2\u7b4b\u53ca\u6784\u9020\u94a2\u7b4b
\u94a2\u7b4b\u516c\u5f0f
\u4e0a\u90e8\u901a\u957f\u7b4b\uff1a\u957f\u5ea6\uff1d\u51c0\u8de8\u957f+\u5de6\u652f\u5ea7\u951a\u56fa+\u53f3\u652f\u5ea7\u951a\u56fa
\u5f53hc-\u4fdd\u62a4\u5c42(\u76f4\u951a\u957f\u5ea6)>=LaE\u65f6\uff0c\u53d6Max(LaE ,0.5hc\uff0b5d)
\u5f53hc-\u4fdd\u62a4\u5c42(\u76f4\u951a\u957f\u5ea6) <LaE\u65f6,\u5fc5\u987b\u5f2f\u951a\uff0c
\u7b97\u6cd51\uff1ahc-\u4fdd\u62a4\u5c42\uff0b15d
\u7b97\u6cd52\uff1a\u53d60.4LaE\uff0b15d
\u7b97\u6cd53\uff1a\u53d6Max(LaE ,hc-\u4fdd\u62a4\u5c42\uff0b15d)
\u7b97\u6cd54\uff1a\u53d6Max(LaE ,0.4LaE\uff0b15d)
\u5de6\u3001\u53f3\u652f\u5ea7\u8d1f\u7b4b\uff1a
\u7b2c\u4e00\u6392\u957f\u5ea6=\u5de6\u6216\u53f3\u652f\u5ea7\u951a\u56fa+\u51c0\u8de8\u957f/3
\u7b2c\u4e8c\u6392\u957f\u5ea6=\u5de6\u6216\u53f3\u652f\u5ea7\u951a\u56fa+\u51c0\u8de8\u957f/4
\u5982\u6709\u7b2c\u4e09\u6392\u7b4b\u4f38\u5165\u8de8\u51851/5\uff0c\u5982\u679c\u4e00\u5171\u4e24\u6392,\u7b2c\u4e00\u6392\u4e3a\u901a\u957f\u7b4b,\u5219\u7b2c\u4e8c\u6392\u6309LN/3\u8ba1\u7b97
\u4e2d\u95f4\u652f\u5ea7\u8d1f\u7b4b\u957f\u5ea6
\u4e0a\u6392\u957f\u5ea6=2*\u51c0\u8de8\u957f/3+\u652f\u5ea7\u5bbd
\u4e0b\u6392\u957f\u5ea6=2*\u51c0\u8de8\u957f/4+\u652f\u5ea7\u5bbd
\u6ce8\uff1a\u51c0\u8de8\u957f\u4e3a\u5de6\u53f3\u8f83\u957f\u7684\u8de8
\u67b6\u7acb\u7b4b\u957f\u5ea6\uff1d\u51c0\u8de8-\u5de6\u8d1f\u7b4b\u4f38\u5165\u957f\u5ea6-\u53f3\u8d1f\u7b4b\u4f38\u5165\u957f\u5ea6+ 150*2
\u6ce8\uff1a\u5f53\u8d2f\u901a\u7b4b\u548c\u67b6\u7acb\u7b4b\u540c\u65f6\u5b58\u5728\u65f6\uff0c\u642d\u63a5\u503c\u53d6150MM\u3002
\u6784\u9020\u7b4b\u957f\u5ea6=\u51c0\u8de8\u957f+2*15d
\u6297\u626d\u7b4b\u957f\u5ea6=\u51c0\u8de8\u957f+2*\u951a\u56fa\u957f\u5ea6
\u62c9\u7b4b\u957f\u5ea6=\u6881\u5bbd-2*\u4fdd\u62a4+2*1.9d+2*max(10d,75mm)
\u6839\u6570=\u3010(\u51c0\u8de8\u957f-50*2)/\u975e\u52a0\u5bc6\u95f4\u8ddd*2+1\u3011*\u6392\u6570
\u5f53\u6881\u5bbd\u2264350\u65f6\uff0c\u62c9\u7b4b\u76f4\u5f84\u4e3a6mm\uff1b\u6881\u5bbd>350\u65f6\uff0c\u62c9\u7b4b\u76f4\u5f84\u4e3a8mm\u3002\u62c9\u7b4b\u95f4\u8ddd\u4e3a\u975e\u52a0\u5bc6\u533a\u7b8d\u7b4b\u95f4\u8ddd\u7684\u4e24\u500d\u3002\u5f53\u8bbe\u6709\u591a\u6392\u62c9\u7b4b\u65f6\uff0c\u4e0a\u4e0b\u4e24\u6392\u62c9\u7b4b\u7ad6\u5411\u9519\u5f00\u8bbe\u7f6e\u3002
\u4e0b\u90e8\u94a2\u7b4b
\u4e0b\u90e8\u901a\u957f\u94a2\u7b4b\u957f\u5ea6=\u51c0\u8de8\u957f+\u5de6\u652f\u5ea7\u951a\u56fa+\u53f3\u652f\u5ea7\u951a\u56fa
\u4e0b\u90e8\u4e0d\u4f38\u5165\u652f\u5ea7\u94a2\u7b4b\u957f\u5ea6=\u51c0\u8de8\u957f-0.1*2*\u51c0\u8de8\u957f
\u4e0b\u90e8\u975e\u901a\u957f\u94a2\u7b4b\u957f\u5ea6=\u51c0\u8de8\u957f+\u5de6\u652f\u5ea7\u951a\u56fa+\u53f3\u652f\u5ea7\u951a\u56fa
\u7b8d\u7b4b\u957f\u5ea6=(\u6881\u5bbd-\u4fdd\u62a4\u5c42*2 +\u6881\u9ad8-\u4fdd\u62a4\u5c42)*2+1.9d*2+max(10d,75mm)*2
\u6839\u6570\uff1d2*\u3010\uff08\u52a0\u5bc6\u533a\u957f\u5ea6-50\uff09/\u52a0\u5bc6\u95f4\u8ddd+1\u3011+\uff08\u975e\u52a0\u5bc6\u533a\u957f\u5ea6/\u975e\u52a0\u5bc6\u95f4\u8ddd-1\uff09
\u5f53\u7ed3\u6784\u4e3a\u4e00\u7ea7\u6297\u9707\u65f6\uff0c\u52a0\u5bc6\u957f\u5ea6\u4e3amax(2*\u6881\u9ad8\uff0c500)\uff0c\u5f53\u7ed3\u6784\u4e3a\u4e8c\u5230\u56db\u7ea7\u65f6\uff0c\u52a0\u5bc6\u957f\u5ea6\u4e3amax(1.5*\u6881\u9ad8\uff0c500)
\u540a\u7b4b\u957f\u5ea6\uff1d2*\u951a\u56fa+2*\u659c\u6bb5\u957f\u5ea6+\u6b21\u6881\u5bbd\u5ea6+2*50
\u659c\u6bb5\u89d2\u5ea6\uff1a\u9ad8\u5ea6 \u4e3b\u6881\u9ad8>800mm a\u4e3a60\u5ea6
\u4e3b\u6881\u9ad8<=800mm a\u4e3a45\u5ea6
\u677f
\u5e95\u7b4b\u957f\u5ea6=\u51c0\u957f+2*max\uff08\u652f\u5ea7\u5bbd/2\uff0c5d\uff09+2*6.25d\uff08\u4e00\u7ea7\u94a2\u7b4b\uff09+\u642d\u63a5
\u6839\u6570=\uff08\u51c0\u957f-2*50\uff09/\u95f4\u8ddd+1
\u9762\u7b4b\u957f\u5ea6=\u51c0\u957f+2*la+2*6.25d\uff08\u4e00\u7ea7\u94a2\u7b4b\uff09+\u642d\u63a5
\u6839\u6570=\uff08\u51c0\u957f-2*50\uff09/\u95f4\u8ddd+1
la:\u975e\u6297\u9707\uff1b lae:\u6297\u9707
\u7aef\u652f\u5ea7\u8d1f\u7b4b\u957f\u5ea6=\u51c0\u957f+la+6.25d+(\u677f\u539a-2*\u4fdd\u62a4\u5c42)
\u6839\u6570=\uff08\u51c0\u957f-2*50\uff09/\u95f4\u8ddd+1
\u4e2d\u95f4\u652f\u5ea7\u8d1f\u7b4b\u957f\u5ea6=\u5de6\u51c0\u957f+\u53f3\u51c0\u957f+2*\uff08\u677f\u539a-2*\u4fdd\u62a4\u5c42\uff09
\u6839\u6570=\uff08\u51c0\u957f-2*50\uff09/\u95f4\u8ddd+1
\u5206\u5e03\u7b4b\u957f\u5ea6=\u51c0\u957f-\u4e24\u7aef\u7aef\u8d1f\u7b4b\u9732\u51fa\u957f\u5ea6+2*150
\u6839\u6570=\u5de6\u6807\u6ce8/\u95f4\u8ddd+\u53f3\u6807\u6ce8/\u95f4\u8ddd\uff08\u4e0d\u51cf\u8d77\u6b65\u8ddd\u79bb\uff0c\u4e0d\u52a01\uff0c\u4e0d\u51cf1\uff09
\u6e29\u5ea6\u7b4b\u957f\u5ea6=\u51c0\u957f-\u4e24\u7aef\u7aef\u8d1f\u7b4b\u9732\u51fa\u957f\u5ea6+2*150+2*6.25d\uff08\u4e00\u7ea7\u94a2\u7b4b\uff09
\u6839\u6570=\uff08\u51c0\u957f-\u4e24\u7aef\u7aef\u8d1f\u7b4b\u9732\u51fa\u957f\u5ea6\uff09/\u95f4\u8ddd-1\uff08\u4e0d\u51cf\u8d77\u6b65\u8ddd\u79bb\uff0c\u4e0d\u52a01\uff0c\u51cf1\uff09
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\u6d1e\u53e3\u53f3\u7aef\u957f\u5ea6\uff1a\u540c\u5de6\u7aef
\u6839\u6570=\u6d1e\u53e3\u5bbd/\u95f4\u8ddd+1
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\u526a\u529b\u5899\u94a2\u7b4b\u8ba1\u7b97
1\u3001\u6697\u67f1\u94a2\u7b4b\u8ba1\u7b97
\uff08A\uff09\u7eb5\u7b4b\u957f\u5ea6\u8ba1\u7b97\uff1a\u4e2d\u95f4\u5c42\uff1a
\u91c7\u7528\u7ed1\u624e\u8fde\u63a5\u65f6\uff0c\u957f\u5ea6=\u5c42\u9ad8+1.2Lae\uff0c\u91c7\u7528\u673a\u68b0\u8fde\u63a5\uff08\u5982\u76f4\u87ba\u7eb9\u5957\u7b52\uff09\u65f6\uff0c\u957f\u5ea6=\u5c42\u9ad8-500+500
\uff08B\uff09\u9876\u5c42\uff1a
\u91c7\u7528\u7ed1\u624e\u8fde\u63a5\u65f6\uff0c\u957f\u5ea6=\u5c42\u9ad8-500-\u677f\u539a+Lae\u91c7\u7528\u673a\u68b0\u8fde\u63a5\uff08\u5982\u76f4\u87ba\u7eb9\u5957\u7b52\uff09\u65f6\uff0c\u957f\u5ea6=\u5c42\u9ad8-500-\u677f\u539a+Lae
\uff08C\uff09\u7eb5\u7b4b\u6839\u6570\uff1a\u6309\u56fe\u6570
\uff08D\uff09\u7b8d\u7b4b\u8ba1\u7b97\uff1a(\u6881\u5bbd + \u6881\u9ad8 - 4 * \u4fdd\u62a4\u5c42) * 2 + 11.9*d*2+8*d
\uff08E\uff09\u62c9\u7b4b\u957f\u5ea6\uff1a\u5899\u539a-\u4fdd\u62a4\u5c42*2+2d+1.9d*2+max\uff0875\uff0c10d\uff09*2
\u6839\u6570\uff1a\u5c42\u9ad8/\u62c9\u7b4b\u95f4\u8ddd+1\uff08\u7aef\u67f1\u540c\u6697\u67f1\uff09
\uff082\uff09\u526a\u529b\u5899\u4e2d\u7684\u6697\u6881\uff1b\u6697\u6881\u7eb5\u7b4b\u957f\u5ea6=\u6697\u6881\u51c0\u957f+\u4e24\u7aef\u951a\u56fa\uff1a
\uff083\uff09\u7b8d\u7b4b\u957f\u5ea6=\u6697\u6881\u5bbd+\u6697\u6881\u9ad8\uff09*2-8*\u4fdd\u62a4\u5c42+8*d+2*11.9*d\uff1b\u7b8d\u7b4b\u6839\u6570=\u6697\u6881\u51c0\u957f/\u95f4\u8ddd+1
\uff084\uff09\u526a\u529b\u5899\u4e2d\u7684\u8fde\u6881
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\u9876\u5c42\u8fde\u6881\u7b8d\u7b4b\u6839\u6570\uff08\u4e24\u7aef\u4e3a\u76f4\u951a\u65f6\uff09\uff1d\uff08\u6d1e\u53e3\u5bbd\uff0d50*2/\u7b8d\u7b4b\u914d\u7f6e\u95f4\u8ddd+1\uff09+(\u8fde\u6881\u951a\u56fa\u76f4\u6bb5\u957f\uff0d100/150+1)*2
\u8fde\u6881\u7b8d\u7b4b\u7684\u957f\u5ea6\uff1d(\u6881\u5bbd + \u6881\u9ad8 - 4 * \u4fdd\u62a4\u5c42) * 2 + 11.9*d*2+8*d
\uff085\uff09\u62c9\u7b4b\u957f\u5ea6= \u6881\u5bbd-\u4fdd\u62a4\u5c42+2*11.9*d+2*d\uff1b\u6839\u6570=\u6392\u6570*\uff08\uff08\u6d1e\u53e3\u5bbd-100\uff09/\u95f4\u8ddd\uff09
2\u3001\u5899\u8eab\u6c34\u5e73\u94a2\u7b4b(\u5899\u7aef\u4e3a\u6697\u67f1)
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\u6839\u6570\uff1a\u5c42\u9ad8/\u95f4\u8ddd+1\uff08\u6697\u6881\u3001\u8fde\u6881\u5899\u8eab\u6c34\u5e73\u7b4b\u7167\u8bbe\uff09
\u5899\u8eab\u6c34\u5e73\u94a2\u7b4b\uff08\u5899\u7aef\u4e3a\u7aef\u67f1
\u5916\u4fa7\u94a2\u7b4b\uff1d\u5899\u957f-\u4fdd\u62a4\u5c42\uff1b\u5185\u4fa7\u94a2\u7b4b\uff1d\u5899\u51c0\u957f+\u951a\u56fa\u957f\u5ea6\uff08\u5f2f\u951a\u3001\u76f4\u951a\uff09
\u6839\u6570\uff1d\u5c42\u9ad8/\u95f4\u8ddd+1\uff08\u6697\u6881\u3001\u8fde\u6881\u5185\u6c34\u5e73\u7b4b\u7167\u8bbe
\u5899\u8eab\u7eb5\u7b4b\u8ba1\u7b97
• \u57fa\u7840\u63d2\u7b4b=\u5f2f\u6298\u957f\u5ea6a+\u951a\u56fa\u7ad6\u76f4\u957f\u5ea6h1+\u642d\u63a5\u957f\u5ea61.2LaE\u6216\u975e\u8fde\u63a5\u533a500
• \u4e2d\u95f4\u5c42\u7eb5\u7b4b=\u5c42\u9ad8+\u642d\u63a5\u957f\u5ea61.2LaE\u6216\u975e\u8fde\u63a5\u533a500
• \u9876\u5c42\u7eb5\u7b4b=\u5c42\u9ad8-\u677f\u539a+\u951a\u56fa
• \u6839\u6570=\uff08\u5899\u51c0\u957f\uff08\u5899\u957f-\u6697\u67f1\u622a\u9762\u957f\uff09-2*s/2\uff09/\u95f4\u8ddd
3\u3001\u5899\u8eab\u5782\u76f4\u94a2\u7b4b
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2、计算钢筋工程量时,设计已规定钢筋塔接长度的,按规定塔接长度计算;设计未规定塔接长度的,已包括在钢筋的损耗率之内,不另计算塔接长度。钢筋电渣压力焊接、套筒挤压等接头,以个计算。
各类钢筋计算长度的确定
钢筋长=构件长-保护层*2+弯勾长*2+弯起钢筋增加值(△L)*2
钢筋的混凝土保护层
受力钢筋的保护层,应符合设计要求;当设计无要求时,不应小于受力钢筋直径,并应符合下表要求:
纵向受力钢筋的混凝土保护层的最小厚度(㎜)
混凝土保护层的最小厚度见下表:

附注:
①基础中纵向受力钢筋的混凝土保护层厚度不应小于35㎜,无垫层时不应小于70㎜;
②板墙壳中的分布筋的保护层厚度不应小于表中相应数值减10㎜,且不应小于10㎜;梁柱中的箍筋和构造筋的保护层不应小于15㎜.
2. 箍筋的弯勾长度:
平钩( 180 °) 6.25d ;
直钩( 90 °) 3.5d ;
斜钩( 135 °) 4.9d
3. 弯起钢筋增加长度:
30 °: 0.268H0;
45 °: 0.41H0;
60 °: 0.585H0
4. 箍筋长度:
封闭方箍 箍筋长度=2*(长+宽)+20d
或=构件截面外边周长-8倍保护层厚+27.8d
⑶ 箍筋根数的确定: N= (构件长 - 保护层) / 间距 +1
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