墙面一般抹灰12yj1内墙3A 是什么做法?
内墙一般抹灰
推荐回答(1个)
内墙面抹灰施工技术交底 1、 施工工艺流程清补基层→检查墙面垂直→抹阴阳角→墙面浇水→平整确定厚度→标准标志块→抹墙面标志块→阴阳角方正→内墙、柱及门洞口→做护角→铺钉钢丝网→抹水泥踢脚和墙裙→抹水泥窗台→墙面标志筋→抹底层灰→抹中层灰→罩面灰 1.1内墙抹灰构造 ①基础处理。 ②7厚1:3水泥砂浆打底扫毛。 ③8厚1:2水泥砂浆罩面压光。、 2、 施工方法(1) 清补基层、墙面浇水:砼墙和砌体基层清扫干净,填补缝隙缺损;抹灰前一天,应用胶橡管自上而下的浇水湿润。(2) 拟按普通抹灰标准吊垂直、规方、找规矩,在地面弹出十字线作为准线,经检查基层表面平整度和垂直度情况后确定抹灰厚度,但最少不应小于7mm,最大不得大于20mm,墙面凹度较大时要分层衬平(水泥砂浆每层厚度宜为7至9mm)。(3) 抹阴阳角标准标志块。按地面上弹出的十字线,先将房间四方在2m左右高度距离两边阴角10至20cm处,用底层砂浆,各做一个标准标志块(灰饼),厚度为密会层厚度(厚度应不包括面层,大小3cm见方),以这两个标准标志块为依据,再用托线板靠吊垂直确定墙壁下部对应的两个标志块厚度,其位置在踢脚板上口,使上下两个标准块在一条垂直线上。(4) 抹墙面标志块,在墙角(阴角)左右两个标准标志块附近钉上钉子,栓上小线,拉水平通线(小线要离标志块1mm)每隔1.2至1.5m左右加做若干个标志块,凡门窗口阴角、栓墙柱跺处必须做标志块。(5) 阴阳角找方:首先要将房间规方,然后先在阴角和阳角一侧墙都弹出基线用方尺将阴角、阳角先规方,然后在墙角弹出角线,并在基线上下两端挂通线做标志块。(6) 墙、柱及门洞口做暗护角:室内墙柱面的阳角和门洞口的阳角要求线条清晰、挺直、并防止碰坏,因此都要做暗护角,同时起到标筋作用。护角应抹1:2水泥砂浆,高度1.8m,护角每侧宽度不小于50mm,抹护角时,门口靠门框一边,以门框离墙面的空隙(灰口)为准,另一边以墙标志块厚度为据,(墙柱以墙和阳角标志块为准)在地上化好准线,按准线粘好靠好尺板,线锤方尺找方,然后在靠尺板没另一边墙壁角面分层抹1:2水泥砂浆。护角线的外角与靠尺板deep外口平齐,一边抹好再用靠尺板移到已抹好的一边,用钢筋卡子稳住,用线锤吊直靠尺板,把护角的另一面分层抹好,轻轻拿掉靠尺板,待护角的棱角稍干时,用阳角抹子,加水灰比为0.4水泥浆,锊出小圆角(与罩面灰平齐),最后在墙面用靠尺板,按要求尺寸沿角留出5cm,将多余的砂浆以40度斜面切掉(便于墙面抹灰与护角接槎),窗洞口不加抹1:2水泥砂浆做护角,要求方正一致,棱角分明,平整光滑。(7) 铺钉金属网片 ① 柱、梁与陶粒矿岩空心砖交接基层处沿缝按要求铺钉钢丝网超出墙边150mm,规格为10×10×0.6mm,外墙陶粒空心砖满挂钢丝网超出墙边150mm。木钉固定。其网上涂刷水泥浆一道,再抹底灰。 ② 墙面所凿电线管埋设管槽,待电线管接线盒、配电箱等安装检验合格后,用金属网铺钉,刷水泥浆一道,待抹底灰。(8) 墙面抹标筋(冲筋):用与抹灰层相同水泥砂浆冲筋,冲筋的根数应根据房间的宽度或高度决定,可充横筋,,也可充立筋,根据施工操作习惯而定,做法:先在上下标志块之间先抹一层,再抹第二道凸出成一条长梯形灰埂,比标志块(灰饼)凸出1cm左右,作为墙壁底子灰填平的标准。然后用木杠紧贴灰饼左上右下来回搓,直至把标筋搓得跟标志块一样平为止。在标筋两边用刮尺修成斜面。(9) 抹底灰:在抹灰前砌体基层处理完毕后,充完筋两小时左右就可以抹1:3水泥砂浆底灰,厚度7mm,抹灰时,砼墙先薄薄的刮一层,水泥浆软糙,接着按要求厚度装档、找平,在用大杠垂直,水平刮找一遍,用木抹子搓毛。抹灰前应将楼面清理干净,以便回收落地灰。(10) 修抹予留孔洞、电气箱、槽盒,当底灰找平后,应即设专人把残留预留孔洞、电气箱、槽盒周边的水泥灰砂浆刮掉,修抹光滑平整。(11) 抹中层灰:等底层灰收水后,在其上抹中层灰其厚度6mm,执平并略高于标筋,抹后即用中短杠按标筋刮平,使用木杠时,双手紧握木杠,均匀用力由下往上移动,并使木杠前进方向的一边略微翘起,局部凹陷处应补抹砂浆,然后再刮直至普遍平直为止,紧接着用木抹子搓磨一遍,使表面平整密实,墙面阴角先用方尺上下核对方正,然后用阴角器上下抽动搓平,使室内各角方正,然后全面检查抹灰层是否平整,阴阳角是否方正,管道处是否抹齐,墙与顶交接以及抹灰面接搓是否光滑平整,并用拖线板检查墙面的垂直与平整情况,检查质量标准该整修及时整修。(12) 抹面层(罩面灰):当底灰六、七成干时,即可开始抹1:2水泥浆掺罩面灰,厚度8mm,底灰太湿影响平整度,太干易使面层脱水太快而影响粘接,造成面层空鼓、脱皮(如底灰过干应浇水湿润),罩面灰应二遍成活,最好两人同时操作,一人先薄薄刮一遍,另一人随即抹平,按先上后下顺序进行,再赶光压实,然后用铁抹压一遍最后用塑料抹子压光,随后用毛刷子蘸水将罩面灰污染处清刷干净。 3、 抹灰工程成品保护及质量保证措施(1) 内墙抹灰在发白后应用喷雾器派人养灰,避免空鼓。(2) 通道和进出口处的抹灰面做好后,应采取围护措施,并不得在室内地面拌合砂浆,以免溅污墙面。(3) 抹灰砂浆与砌筑砂浆严禁混合,不得私自加入外加剂。(4) 抹灰砂浆采用机械拌合,配合比按照实验室配合比报告单,在搅拌台处用黑板注明配合比。(5) 不得使用过夜砂浆,不得采用人工拌合,搅拌必须均匀。
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