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视频学习: ························································································· 1 红砖质量鉴别: ··················································································· 1 墙砖基础知识: ······················································································ 1 价格计算····························································································· 2 注意事项····························································································· 3 墙体泛霜的问题 ··················································································· 3 砌墙工艺详解 ······················································································ 4 砌墙施工现场 ····················································································· 10 合同范本: ························································································ 20
视频学习:
http://video.sina.com.cn/v/b/36191284-1766887954.html

红砖质量鉴别:
看颜色——一般有深红色,淡红色三种,还有一种就是淡灰黄色。深红色的属于火候过重,淡红色的则刚刚好,而淡灰色的则是欠火,属于次砖,不合格砖。
听声音——有沉闷声,清脆。两块砖头在一起敲击,如果发出沉闷声则属于欠火砖,是不可以做承重墙的。也属于次砖。而声音清脆的,则是适火砖,属于优品。这种砖强度高。
看重量——同样大小的两块砖头,重量轻者为好,表明土质均匀,烧制得当。
观外表——外表的边角是否整齐,是否有翘曲,或是过火砖,过火砖有翘边翘角的情况,这种地方有较大的硬度,但是过大的硬度会造成应力集中。

墙砖基础知识: 砌墙常用的砖头有红砖、轻质砖、加气混凝土砌块,家庭装修往往采用红砖砌墙,这样墙面不容易开裂,后遗症较少。
红砖又分为85砖(规格为190mm×35mm×90mm,)、95(又叫标准

砖,实际尺寸240mm×115mm×53mm。)砖和多孔砖。其中85砖和95都为实心砖,比较结实而且隔音。85砖较小,往往用于灶台、矮墙等;95砖较大,主要用于砌墙。红砖墙按标准只能砌在多层、小高层或别墅一楼以上部分的梁下,别墅一楼的任何地方。所谓梁下,只下一层楼的砖墙位置有梁。例如在2楼砌墙,一楼对应位置的天花板上应该有梁。非梁下或者高层一般不允许砌砖墙。这是因为砖墙其实是很重的,如果没有梁或者不是底楼,有可能把楼板压弯压裂。如果一定要非梁下或者高层砌墙,可以采用轻质隔墙板或者轻钢龙骨加石膏板。 砖墙又分一砖墙、半砖墙和四分之一砖墙,详见右边图示。其中一砖墙和半砖墙可以在砌墙抹灰干燥后再开槽铺管线。四分之一砖墙不方便开槽,只能合着水电管线一起砌进墙内。不同墙按照厚度有很多种名称,比如厚度为240mm的一砖墙又叫双墙、24墙等;厚度为120mm的半砖墙又叫单砖墙、单墙、12墙、隔断墙等。承重墙厚度必须大约200mm 砌墙首要考虑的是安全因素。例如四分之一墙,墙面较薄,如果砌墙技术不过关,墙面又长时间暴露在风雨中,可能造成坍塌。从上面的用量可以大致算出,砖墙是很重的,压在人身上非死即伤。上海曾有在台风季节,由于连续数日没有关上窗户,导致室内隔断墙坍塌,造成人身伤亡的案例。
价格计算
95砖,一砖墙(厚度240mm用量128/平方,半砖墙(厚度120mm64/平方。计算方法是用面积除以砖的面积。砖的面积要计入水泥层厚度,长宽各增加10mm85砖的尺寸就小些,一般不用于砌墙。
砌墙还要用到水泥和黄砂。用量根据水泥标号和黄砂质量的差别有一定差距。

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