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泡沫混凝土配合比设计有什么规范要求吗

泡沫混凝土配合比设计有什么规范要求吗

浏览：37次 | 提问时间： 08-03 05:39

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人丑嘴不甜长得危险还没钱 08-03 05:39

这个是有要求的，可以进相关的网站，看一下

半路青春 08-03 05:48

泡沫混凝土的施工是通过整套专用的设备现场完成。整套设备配有上料、搅拌、主机等系统，施工时进行现场上料、搅拌、发泡并通过自带的泵送系统经高压输送管直接送至施工基面

累了你走了 08-03 05:56

强度　　泡沫混凝土的强度包括抗压强度、抗折强度和抗冲击强度. 对于大多数承重产品来说, 主要强调抗压强度, 而对一些板材制品则重点考虑抗折及抗冲击强度. 每一种产品的设计注重于哪些指标, 应根据产品的不同品种及技术要求而定. 在强度设计时, 应以干密度为基础, 即在保证干密度的前提下来设计符合产品技术要求的强度值. 特别需要注意的是, 强度应以满足这一密度等级产品的使用性能为标准, 而不能以密实混凝土为参照去盲目追求高强度. 为使泡沫混凝土具有必要的强度保证, 其*强度应大于强度标准值的3%~10% , 使其具有富余强度. 　　导热系数　　大多数泡沫混凝土是作为保温材料使用, 因而导热系数也是它的一项主要指标. 导热系数的设计应以干密度为基准, 一般情况下, 泡沫混凝土的导热系数与干密度之间具有相关性, 干密度低的导热率一般也较低.为了保证能达到预期的保温效果, 配合比设计时就应有降低导热系数的考虑, 特别是材料的选择和配比. 　　水泥配比　　水泥是泡沫混凝土强度的主要来源, 也是首要影响因素. 因为泡沫混凝土常温养护居多, 且又大量掺入泡沫, 过少的水泥用量会造成塌模, 这就需要加大其水泥配比. 但为了保证泡沫混凝土较低的干密度,就必须在满足产品性能的基础上尽量降低水泥配比. 在一般情况下, 水泥的用量要占干物料总量的70% ~100% .

三万英尺 08-03 06:04

轻质泡砼一般都是用的是轻质材料，容重一般在1000Kg/m3左右，泡沫剂的参量是根据你的轻质泡砼要求容重来参呢，需要注意的是计量要精确，掌握好发泡时间和托摸时间。

心拥 08-03 06:13

尊进的业主您好，很高兴回答您的问题。能详细说一下您的意思吗

赌心 08-03 06:21

这个一般不会对外的啦。也不是唯一的，你所用的材料不一样，配合比也不一样呢

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泡沫混凝土配合比设计有什么规范要求吗

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泡沫混凝土配合比设计有什么规范要求吗