广西烧结页岩砖生产状况调查及分析  

Investigation and Analysis on the Production of Fired Shale Brick in Guangxi

作　　者：张小静 朱惠英 陶尚儒 卢凌寰 黄孝云 

机构地区：[1]广西建筑科学研究设计院,广西南宁530003

出　　处：《建筑节能》2013年第4期42-45,共4页BUILDING ENERGY EFFICIENCY

基　　金：国家科技支撑计划项目(2011BAJ01B04);广西科学研究与技术开发计划项目(1114016-8)

摘　　要：烧结页岩砖是国家提倡发展的建筑节能材料,是替代黏土砖的更新产品。通过对广西地区内规模较大、管理及产品质量较好的50家砖厂生产的页岩砖状况开展调查研究,调查结果表明:目前,广西生产的页岩砖以强度等级MU10和MU15、孔洞率低于40%及尺寸240 mm×115(190)mm×90 mm的多孔砖为主,烧结页岩空心砖和空心砌块的生产较为罕见。新国标GB 13544—2011《烧结多孔砖和多孔砌块》要求的矩形条孔或矩形孔页岩砖的生产技术难度大、成品率低,对原材料的细度、塑性要求高。此外,在孔型设计上,可将矩形条孔或矩形孔的尖角加工成圆角,以减少应力集中产生的开裂。Fired shole brick is an energy-saving building material and an update product replacing ordinary clay brick, which is promoted to develop in our country. The fired shale bricks from flfty brick manufactories in Ganngxi with a larger scale, better management and better quality products are investigated. The results show that, at present, the fired shale brick produced in Gmmgxi are mainly those with strength grades of MUlO and MU15, the porosity of less than 40% and dimension of 24Oram x 115 （190） mmx 90ram. The production of fired shale hollow brick and fired shale hollow black is rare. The fired shale bricks with rectangular holes which are required to produce by the new national startdard ＂Fired Shale Hollow Bricks and Fired Shale Hollow Blocks＂ （GB 13544-2011）is of bigger producing technology difficulties and lower production yield, and the fineness of its row materials required to be thinner, the plasticity of its row materials required to be higher. In addition, in order to reduce cracking produced by stress concentration, it is suggested that the sharp corners of rectangular holes should be changed into round.

关 键 词：烧结页岩砖 生产状况 砖型 孔洞率 强度 

分 类 号：TU522.01[建筑科学—建筑技术科学]