一方混凝土的各种原料配比是多少? 一方的C25混凝土中各种材料的比例是多少

1\u7acb\u65b9c20\u6df7\u51dd\u571f\u914d\u6bd4\u662f\u591a\u5c11\uff1f

1\u7acb\u65b9c20\u6df7\u51dd\u571f\u914d\u6bd4\u4e3a\u6c34\u6ce5\uff1a\u6c34\uff1a\u7802\uff1a\u788e\u77f3=1\uff1a0.51\uff1a1.562\uff1a2.898\u3002
1\u7acb\u65b9\u7684C20\u6df7\u51dd\u571f\u7684\u7528\u6599\u91cf\u4e3a\uff1a\u6c34175kg/m3\uff1b\u6c34\u6ce5330kg/m3\uff1b\u7802621kg/m3\uff1b\u77f3\u5b50\uff1a1260kg/m3\uff1b
\u8c03\u6574\u6b65\u9aa4\uff1a\u8bbe\u5b9e\u9a8c\u5ba4\u914d\u5408\u6bd4\u4e3a\uff1a\u6c34\u6ce5\uff1a\u6c34\uff1a\u7802\u5b50\uff1a\u77f3\u5b50=1\uff1ax\uff1ay\uff1az\uff0c\u73b0\u573a\u7802\u5b50\u542b\u6c34\u7387\u4e3am\uff0c\u77f3\u5b50\u542b\u6c34\u7387\u4e3an\uff0c\u5219\u65bd\u5de5\u914d\u5408\u6bd4\u8c03\u6574\u4e3a\uff1a 1\uff1a(x-y*m-z*n)\uff1ay*\uff081+m\uff09\uff1az*\uff081+n\uff09\u3002

\u6269\u5c55\u8d44\u6599
1\u3001\u4f5c\u7528
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2\u3001\u8981\u6c42
\u6df7\u51dd\u571f\u7684\u6280\u672f\u6027\u8d28\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u662f\u7531\u539f\u6750\u6599\u7684\u6027\u8d28\u53ca\u5176\u76f8\u5bf9\u542b\u91cf\u51b3\u5b9a\u7684\u3002\u540c\u65f6\u4e5f\u4e0e\u65bd\u5de5\u5de5\u827a(\u6405\u62cc\u3001\u6210\u578b\u3001\u517b\u62a4)\u6709\u5173\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u4e86\u89e3\u5176\u539f\u6750\u6599\u7684\u6027\u8d28\u3001\u4f5c\u7528\u53ca\u5176\u8d28\u91cf\u8981\u6c42\uff0c\u5408\u7406\u9009\u62e9\u539f\u6750\u6599\uff0c\u8fd9\u6837\u624d\u80fd\u4fdd\u8bc1\u6df7\u51dd\u571f\u7684\u8d28\u91cf\u3002
3\u3001\u6c34\u6ce5
a.\u54c1\u79cd\u9009\u62e9
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b.\u6807\u53f7\u9009\u62e9
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C25\u6df7\u51dd\u571f\u6bd4\u4f8b\u5982\u4e0b\uff1a
1\u3001\u5982\u679c\u4f7f\u7528P.O32.5\u6c34\u6ce5\uff0c\u90a3\u4e48\u5404\u7ec4\u5206\u7684\u6bd4\u4f8b\u4e3a\uff1a
\u6c34\u6ce5\uff1a\u7802\uff1a\u77f3\uff1a\u6c34=390\uff1a675\uff1a1101\uff1a234\u3002
2\u3001\u5982\u679c\u4f7f\u7528P.O42.5\u6c34\u6ce5\uff0c\u90a3\u4e48\u5404\u7ec4\u5206\u7684\u6bd4\u4f8b\u4e3a\uff1a
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C25的配合比:水泥:砂;石:水=1:1.40:2.85:0.47(重量比)材料用量 (kg/m3):水泥:415kg;砂子:583kg;石子:1184kg;水:195kg
C30的配合比:水泥:砂:石:水=1:1.18:2.63:0.41(重量比)材料用量
(kg/m3):水泥:459kg;砂子:542kg;石子:1206kg水:188kg
C35的配合比(必须使用42.5级以上水泥):水泥:砂;石:水=1 :1.37:2.78 :0.46重量比)材料用量(kg/m3):水泥:424kg;砂子:581kg;石子:1179kg水:195kg
C40的配合比(必须使用42.5级以上水泥):水泥:砂;石:水=1:1.08:2.41:0.40(重量比)材料用量(kg/m3):水泥:488kg;砂子:528kg;石子:1176kg水:195kg

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