河北快3

通达石材门牌石

专注石材产业多年

DAZAOSHICAIYOULIANGPINPAI

QUANGUOMIANFEIZIXUNREXIAN

13806331332

门牌石出现白华的原因及处理

作者: 点击次数:650 发布时间:2019-04-30

湿法铺装门牌石石材使用水泥砂浆中的石膏(CaSO4.2HO,石作为水泥中配料),经酸性溶液的冲刷、渗透,由门牌石石材的接缝处石材的微裂隙、贯穿型孔洞、毛细管渗透到装饰门牌石石材表面,而形一种白色的挂流状物质,轻则使石材粗糙、变色; 重则覆盖住门牌石石材,随时间延长会形成壳状或层状物,呈白色、灰白色,严重地破坏了装饰门牌石石材的外在美观。

MENPAISHISHICAIBAIHUAYEBEICHENGWEISHIGAOXINGBAIHUA。LINGWAIZHONGYECHENGWEIBAIHUADEXIANXIANGSHIGUISUANYANSHUINIZHONGDECaO,JINGSHUIHUAZUOYONGHOU,WEICa(OH),ZUIZHONGYUKONGQIZHONGCO、SO JIEHEBIANCHENGCaCO、CaS(DENGCHENJIZAISHICAIBIAOMIAN,YEXINGCHENGFANBAIXIANXIANG,BEICHENGWEIYANXINGBAIHUA。MENPAISHISHICAIBAIHUAYUSHICAIBOSHIHENLEISI,ROUYANYEHENNANFENBIAN。LILUNSHANGJIANG,ZHIYAOJIZHUMENPAISHISHICAIBAIHUASHISHIGAOCHANSHENGDE,ERMENPAISHISHICAIBOSHISHISHIHUICHANSHENGDEJIUXINGLE。

ZHEILIANGZHONGZAIMENPAISHISHICAIBIAOMIANXINGCHENGDEBAISEWUZHIWANGWANGSHIBANSUIZHETONGSHICHUXIANDE。

门牌石石材白华形成的原因1、由于水泥熟料在煅烧中加入了石膏,且石膏遇水可完全解理,因而在湿法铺装石材使用水泥后,石膏性白华是极易出现的,也是最多的白华现象。

MENPAISHISHICAISHIFASHIGONGSHISHIYONGDEGUISUANYANSHUINISHIYIZHONGHANCaOJIAOGAOYIZHONGZHANJIEJI,QIZHUYAOKUANGWUSHICS(3CaO·SiO)HECS。ZAISHUIHUAZHONG,XINGCHENGLEBUFENCa(OH),Ca(OH)YIBUFENYONGYIWEICHISHUINIZUOWEIZHANJIEJIDEJIANDU(pH 12.5~13.5),QITADABUFENYIJIEJINGXINGSHICUNZAIYUSHUINIZHIPINZHONG。Ca(OH) ZAISHUINIZHIPINZHONGDERONGJIEDUZUIDA, ZUIYIBEIHOUTIANBUDUANDESHUIFENDAICHUHUNNINGTU,ERJIYUSHICAIBIAOMIAN,ZHEISHICa(OH) JIYUKONGQIZHONGDECO FASHENGHUAXUEFANYING,SHENGCHENGBAISECHENJIDECaCO,FUZHEZAISHICAIBIAOMIAN,YINCHENGFANBAI——BAIHUAXIANXIANG。

BAIHUASHIJISHANGJIUSHIZAIMENPAISHISHICAIBIAOMIANHUOTIANFENGCHUYOUBAISEFENMOHUOGUALIUXIANXIANG。TAZUIDUOSHIFASHENGZAISHIFASHIGONGHOU,ZHUANGSHISHICAIWEIYUHUWAIYUSHUIYUANSHIDIYIZHANGQIJIECHUDEDIFANG,RUDAMEN、HUATAN、TAIJIE、SHIWAIQIANGMIANDENGCHU,YOUYIZAISHIWAILIMIANZUIYIXIANLU。ZHUYAOSHITABUYIBEIMOSHIDIAO,ERDIMIANTONGCHANGYEYOU,ZHISHIYIBEIMOSHIDIAOBUYIFAXIAN(BUYIMOSHIDIAODEDIMIANYEHUICHUXIAN)。