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concrete 很难干
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各位建筑界的大哥,有个问题想问问大家,话说,昨晚我的工地在concrete着1st floor slab,整片slab的厚度是150thk,concrete是130m3,到昨晚的12.30am才下好,可是问题是,到了早上的10.00am,那片slab还没有完全干,没有下雨,这是什么问题呢???各位大哥有没有遇过这个问题呢??
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发表于 16-7-2013 12:09 PM
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我所知道concrete floor要完全干完需时28天呢!! |
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发表于 21-7-2013 03:34 PM
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conrete will get harden by 2 hours.... if 12 hours still unset...... pls call the concrete supplier to investigate it... big problem,,, |
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发表于 21-7-2013 04:00 PM
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the concrete slab is not dried....but does the concrete harden?
is the slab is grade 30, it will set between 6-8hrs (means harden), the surface will appear "wet" but not soft....
if more than 8hrs still in jelly form means the concrete not set, then u should call your batching plant supplier... |
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发表于 21-7-2013 06:44 PM
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Annwong 发表于 16-7-2013 12:09 PM
我所知道concrete floor要完全干完需时28天呢!!
对,没有错,我所谓的干是我们的脚踩下去时不会有脚印的.可是这个脚踩下会 有脚印的 |
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发表于 21-7-2013 06:46 PM
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anthonysbj 发表于 21-7-2013 03:34 PM
conrete will get harden by 2 hours.... if 12 hours still unset...... pls call the concrete supplier ...
有和plant投诉了.可是他们还没有给任何答复,再加上cow没有comment.我们也没有追究下去了. |
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发表于 21-7-2013 06:47 PM
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berlynda 发表于 21-7-2013 04:00 PM
the concrete slab is not dried....but does the concrete harden?
is the slab is grade 30, it will se ...
谢谢你的指教 |
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发表于 23-7-2013 05:37 PM
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那需要做wisdor probe test... any NDT test .... 一定是有问题的 |
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发表于 17-8-2013 04:22 PM
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big problem
do you add any concrete additive?
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