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[公路] 水运工程混凝土质量控制标准》(JTJ 269—96） [复制链接]

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监理工程师勋章检测工程师勋章副管理员网校学员论坛元老
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发表于 2011-06-25 23:56 |只看楼主
3、《水运工程混凝土质量控制标准》(JTJ 269—96)¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
3．1．1* 混凝土拌合物质量指标的检验应符合下列规定：¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
(1)各种混凝土拌合物均检验其稠度；¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
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(5)有温度控制要求的混凝土拌合物，检测其温度。¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
3．2．1 混凝土的强度等级应按立方体抗压强度标准值fcu，k(N／mm2)划分，其分级如表3．2．1。¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
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　　　　②表中数值系箍筋直径为6mm时主钢筋的保护层厚度，当箍筋直径超过6mm时，保护层厚度应按表中规定增加5mm；¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
　　　　③位于浪溅区的码头面板、桩等细薄构件的混凝土保护层，南、北方一律取用50mm；¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
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有哪些区别啊¼³ˆÇ¡—ÂZ"bbs.3c3t.com7Þñ í8$+@
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