牆qiang麵mian起qi堿jian的de原yuan因yin其qi實shi有you很hen多duo種zhong
，但dan最zui主zhu要yao的de是shi因yin為wei牆qiang體ti內nei部bu水shui分fen造zao成cheng的de
，所suo以yi如ru果guo住zhu房fang出chu現xian返fan堿jian現xian象xiang的de話hua，我wo們men也ye要yao究jiu其qi主zhu要yao原yuan因yin，將jiang主zhu要yao問wen題ti解jie決jue好，我們在修複的話，才可以更徹底一些。

一
、牆麵起堿的原因：

1、防水沒做好：

duiyuweishengjianfangshuilaishuohenduoxijiewentishiwomenxuyaotebiezhuyide
，youqishimenkoudeweizhi


，henduoshihouwomenzuihaofangshuizhihou
，dimianshimeiyoushenlouxianxiang，danshishijianchanglehuifaxianweishengjianmenkouliangbiandeqiangtihuichuxianfanjiandexianxiang，yinweiweishengjianmenkouchulibudang，shuishunzhemenkouwaishen，dajiadouzhidaoqiangtidoushiqipao，ruguoyouyidianshuidehua，doukeyishendaohenyuandedifang，suoyizaichulizhiqianjianzhahaofangshuishifouzuihao。

2
、原始牆麵潮濕：

yibanzaiwomenzhuangxiudeshihoudoushiganggaihaodeloufang，qiangtichaoshichengduwomenshiwufeiyucede
，suoyihenduoshihouqiangtiqishishibijiaochaoshide
，shuifensanfabuchuqu
，erzaiwomenjiyuzhuangxiudeqingkuangxia，jiashanghouqidenizifenrujiaoqizaochengqiangtineibudeshuifenguoduo
，juzhushijianjiuleshuifenmanmansanfadeshihoujiuhuizaochengqiangmianchuxian“返堿”現象。

3、人為原因：

zaiwomenjuzhudeshihou，ruguochangqizaochengdimianchaoshidehua，yehenkenengzaochengshuifenshentoudaoqiangti

，youqishiyixiebijiaoxihuanganjingdepengyoumeishijiuxihuantuodi，tuobahainongdebugan
，zheyangshuifendoushibeidimianxishoule，dimianzhuyaoshishuinidianceng
，shuifenhenrongyishentou，changshijianyehuizaochengqiangmianchuxianfanjianxianxiangde。

二、牆麵出現返堿如何處理？

1、處理返堿主要原因：

首先要找到造成返堿的原因，比如：防水問題或者原始牆體潮濕問題
，如果這樣的話，我們就要先將防水層或牆體晾幹之後在進行牆麵修複。

2、降低建築材料可溶性堿和鹽的含量：

xianzaiwomenshiyongdeshuiniyibandouweiguisuanyanshuini，ruguoshineichaoshidehua，shuinizhonghanyoudeyanjianhuahewuhuibeiqiangtixishou
，jiuerjiuzhizaochengqiangtifanjian
，suoyiruguozaizhuangxiuqijianyouzhezhongqingkuangdeshihouwomenjiuyaojiangdishuinihunningtudeyanjianhanliangle。

3、提高牆麵的基材抗滲性：

kangshenxingzhuyaozhidejiushikangshuifenli
，suoyizaiwomenjinxingqiangmianzhuangshideshihouweilefangzhiqiangtineibudeshuifenzhijiebeibiaomiannizicenghefenshuacengxishou，womenzuihaoduiqiangtijinxingjicaikangshenchuli，keyishiyongshigaoxianhuozheshiyixieqiangmianzhuangshibanjinxingdadichuli。

4、進行牆麵表麵憎水性處理：

一般處理我們可以在牆角位置上下塗刷10-20cm防水
，這樣就可以在牆體底部形成一個防水層，這樣的話水分也不會輕易進入牆體，這樣也可以有效的控製牆麵出現返堿現象。

其(qi)實(shi)小(xiao)編(bian)個(ge)人(ren)不(bu)建(jian)議(yi)使(shi)用(yong)草(cao)酸(suan)對(dui)牆(qiang)麵(mian)進(jin)行(xing)清(qing)洗(xi)，因(yin)為(wei)使(shi)用(yong)草(cao)酸(suan)主(zhu)要(yao)是(shi)和(he)堿(jian)進(jin)行(xing)化(hua)合(he)反(fan)應(ying)，但(dan)是(shi)返(fan)堿(jian)現(xian)象(xiang)解(jie)決(jue)之(zhi)後(hou)牆(qiang)麵(mian)會(hui)有(you)新(xin)問(wen)題(ti)出(chu)現(xian)，比(bi)如(ru)：qiangmianfenhua，caosuanjuyouhenqiangdefushizuoyong
，jiushicizhuanwomendaoyidiancaosuanyehuichuxianfanbai，suoyiqiangmianhunningtuqiangyeshiyiyanghuichuxiande，suoyihenduorenshiyongcaosuanduiqiangtijinxingchulizhihouguoyiduanshijianyouyouwentichuxian。