lylcndy - 2008/6/27 9:20:00
公路防护上用的压制空心六角块,实心六角块的配比ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
niuniu6682000 - 2008/6/27 16:36:00
级配干硬性混凝土设计,坍落度为0,通常采用水泥用量70-85kg/m3,用水量约100kg/m3,水灰比1.3-1.46,速凝剂适量。混凝土28天抗压强度约5MPa。ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
水:水泥:砂:石料:速凝剂SDS掺量=102.2:70:1958:1.4-2.1ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
niuniu6682000 - 2008/6/27 16:44:00

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ón¯:Íæ+bbs.3c3t.comÃL¾økfɹón¯:Íæ+bbs.3c3t.comÃL¾økfɹ具体可按《普通混凝土配合比设计规程》(JGJ55-2000)进行设计
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lylcndy - 2008/6/29 9:33:00
谢谢ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
lidexing - 2008/7/3 12:43:00
谢谢ón¯:Íæ+bbs.3c3t.comÃL¾økfɹ
天下一统 - 2008/10/23 9:27:00
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