【正文】
nsonants or vowels, wor d select ion. Second, t he m ain t ypes of wor ds ( 1) Ruby wr it en wor ds。 ( 2) t o br ing Wor d to select the cor rect pronunciation。 ( 3) use a sequencer and r adical charact er lookup method 2 水濕潤(rùn),表面積水應(yīng)予排除。 2) 貼灰餅:根據(jù)墻面彈線標(biāo)高,用 1∶ 2 干硬性水泥砂漿在基層上做灰餅,大小約50mm 見(jiàn)方,縱橫間距約 左右,如局部厚度薄于 10mm 時(shí),應(yīng)調(diào)整其厚度或?qū)⒏叱龅木植炕鶎予徣?,做灰餅時(shí)要根據(jù)地漏位置做出向地漏處排水的泛水坡度,坡度要控制在 2%。 3) 配制砂漿:找平層水泥砂漿配比為 1∶ 2(體積比),稠度不大于 35mm,使用機(jī)械攪拌,投料完畢后的攪拌時(shí)間不應(yīng)少于 2 分鐘,要求拌合均勻,顏色一致。 4) 鋪抹砂漿:灰餅做好待收水不致踏陷時(shí),即在基層上均勻掃素水泥漿(水灰比~,內(nèi)摻 6%建筑膠)一遍,隨掃隨鋪砂漿,砂漿厚度按所貼灰餅厚度鋪設(shè)。 5) 找平、壓頭遍:鋪抹砂漿后,隨即用鋁合金杠按灰餅高度,將砂漿找平,用木抹子搓揉壓實(shí),將砂眼、腳印等消除后,用靠尺檢查平整度,抹時(shí)應(yīng)用力均勻,并后退著操作。待砂漿收水后,隨即用鐵抹子進(jìn)行頭遍抹平壓實(shí)至起漿為止。如局部砂漿過(guò)稀,可均勻撒一層 1∶ 1 干水泥砂(砂需過(guò) 3mm 篩孔)來(lái)吸水,順手用木抹子用力搓平,使互相混合。待砂漿收水后,再用鐵抹子抹壓至出漿為止。 6) 二遍壓光 :在砂漿初凝后進(jìn)行第二遍壓光,用鋼抹子邊抹邊壓,把凹坑、砂眼填實(shí)壓平,使表面平整。要求不漏壓,平面出光。 7) 三遍壓光:在砂漿終凝前進(jìn)行,即人踩上去稍微有腳印,用抹子壓光無(wú)抹痕時(shí),用鐵抹子把前遍留下的抹紋全部壓平、壓實(shí)、壓光,達(dá)到交活的程度為止。 8) 養(yǎng)護(hù):視氣溫高低在面層交活 24 小時(shí)內(nèi),灑水保持濕潤(rùn),養(yǎng)護(hù)時(shí)間不少于 7 天。 找平層質(zhì)量標(biāo)準(zhǔn) 1) 主控項(xiàng)目:①砂漿所用水泥、砂的材質(zhì),必須符合設(shè)計(jì)要求和有關(guān)標(biāo)準(zhǔn)的規(guī)定;②水泥砂漿面層的強(qiáng)度(配合比)密實(shí)度,必須符合設(shè)計(jì)要求和施工規(guī)范的規(guī)定;③面層與基層的結(jié)合必須牢 固,無(wú)空鼓。 2) 一般項(xiàng)目:①面層表面清潔,無(wú)裂縫、脫皮、麻面和起砂現(xiàn)象;②找平層與地漏及管道結(jié)合處嚴(yán)密平順。 3) 允許偏差項(xiàng)目 水泥砂漿找平層的允許偏差及檢驗(yàn)方法 項(xiàng)次 項(xiàng)目 允許偏差( mm) 檢驗(yàn)方法 1 表面平整度 4 用 2m 靠尺和楔形塞尺檢查 (二) TS 防水施工 施工準(zhǔn)備 材料要求 防水卷材防水層為 2 道 400 克厚 TS 卷材防水,有產(chǎn)品合格證及性能檢測(cè)報(bào)告,材料的品種、規(guī)格經(jīng)監(jiān)理驗(yàn)收合格,并復(fù)試報(bào)告合格。 Do t he f olowing t hr ee m ain points: 1 f ind out he weak. Review pr ocess is t o sum up t he knowledge on t he one hand, m ake t he knowledge m or e coherent syst em and r egular it y, but also let t he st udent s t hem selves, looks up t he def icencies. So, we t eachers t o under st and t he st udent s 39。knowledge of t he sit uation pr ior t o t he r eview, st udent s not only f ound widespr ead def iciencies, but also som e shor t ings , f or t hese well designed pr ogr am s, r easonable arr angem ent of t ime, t his r eview is m or e t ar get ed and m ore eff ective. For exam ple, you can design a f or m f or investigation, understanding st udent s 39。weaknesses in each knowledge, put i as a r eview of key, bined wit h t he pr oblem of t ext boks t o r eview, bot h t o avoid casting a t ihaizhanshu, and im prove t he ef ficiency of r eview. 2, good colation. Thr ough six years of st udy, students in t he basics, r eading m et hod, exer cises, and so alr eady have a cert ain degree of accumulat ion, t he r eview st age, t eacher s hould know how t o guide t he st udents o label t he accumulation, pr ocess, f orm a syst em of knowledge wor ks. Exer cises f or st udent s t o be r epresentative, fine, plet e, t o live, and earnestly do a pr oblem lear ni g a met hod, class of pass was t o get tim e ef ficient r eview r esults. 3, pay att ention t o use. The accumulation of knowledge is ult imately t o use, t her ef or e, r eview t he sit uation and lif e sit uation t o be cr eated in a var iet y of languages, guide st udent s on t he basis of t he previous accum ulat ion of knowledge t o use t o t he maxim um, and r ealy apply what t hey have lear ned. Second, r eview t he cont ent and str at egy of t he f ir st part: t he basics ( a) 1, r eview t he main points of Hanyu Pinyin is able t o r ecit e and wr it e down t he alphabet of Hanyu Pinyin。 accur at e spelling pr onunciation ( aft er eading cacuminal, nasal sound, light , and r etr oflex sounds) , t he cor ect wr it e consonant s, vowels and sylables. 2, . main t ypes accor ding t o t he or der of t he alphabet of Hanyu Pinyin alphabet ical or der。 f il n t he appr opriat e uppercase and lowercase let ters。 see phoic wr it ing words。 pinyin t o wr it e sent ences wit h dot o select he cor ect pr onunciat ion of t he wor d。 t o br ing some init ial consonants or vowels, wor d select ion. Second, t he m ain t ypes of wor ds ( 1) Ruby wr it en wor ds。 ( 2) t o br ing Wor d to select the cor rect pronunciation。 ( 3) use a sequencer and r adical charact er lookup method 3 所用粘結(jié)材料經(jīng)監(jiān)理驗(yàn)收合格,有相應(yīng)的合格證,水泥有復(fù)試報(bào)告。 主要用具 錘 子、鏨子、開(kāi)刀、鋼絲刷、掃帚等、大小鐵捅、量尺、小線、色粉袋、滾刷、油漆刷、塑料或橡膠刮板。 作業(yè)條件 找平層應(yīng)抹平壓光,堅(jiān)固平整,不得有空鼓、開(kāi)裂及起砂等缺陷等。 找平層施工時(shí),在管根轉(zhuǎn)角處抹成小圓弧。 防水層施工前應(yīng)檢查找平層的坡度和地漏的標(biāo)高,防止出現(xiàn)倒泛水和積水現(xiàn)象。 地漏、套管標(biāo)高正確。與找平層相連接的管件、衛(wèi)生潔具、地漏、排水口等必須安裝牢固、堵洞嚴(yán)密、振搗密實(shí)、收頭圓滑、管根周圍應(yīng)留 20mm 20mm 凹槽,并用密封膏嵌填。 施工前由總包單位組織相關(guān)專業(yè)人員對(duì)防水房間按要求驗(yàn)收,確認(rèn)所有管道、設(shè)備均安裝施工完后方可進(jìn)行防水施工。 操作工藝: 工藝流程 清理基層 → 找平層 → 涂抹防水層施工 → 蓄水試驗(yàn) → 二次蓄水試驗(yàn) → 質(zhì)量驗(yàn)收; 、施工要點(diǎn) 1) 清理基層:防水層施工前,基層表面應(yīng)清掃干凈,不得有浮土等雜物。凹陷處用1: 3 水泥砂漿修補(bǔ)平整。基層過(guò)于干燥時(shí)應(yīng)淋水潤(rùn)濕,無(wú)明水后即可施工防水層,以防基層過(guò)干,吸水過(guò)快,造成涂抹起皮或開(kāi)裂。 2) 找平層清理干凈后,鋪貼卷材防水層。首先,應(yīng)在 陰陽(yáng)角,轉(zhuǎn)角,突出物周圍應(yīng)用相同的卷材曾貼一層防水附加層,附加層寬度不宜小于 500mm;大面防水卷材的鋪貼應(yīng)由低到高縱向鋪貼,其鋪貼用膠粘劑用 107 膠、水泥、水按配比放在桶內(nèi)拌制而成,樣好防水卷材后,在防水卷材鋪貼位置倒入膠粘劑,用刮板刮均勻,隨即鋪上防水卷材,并輥壓密實(shí);卷材防水層長(zhǎng)邊搭接不小于 100mm,短邊搭接不小于 150mm。上下兩層防水層應(yīng)錯(cuò)縫鋪貼。 3) 防水層鋪貼完成,膠粘劑凝固前不允許上人踐踏,膠粘劑凝固后要及時(shí)灑水養(yǎng)護(hù),注意保護(hù)防水層不能磕碰損壞。 4) 防水層完成后及時(shí)請(qǐng)監(jiān)理予以驗(yàn)收,驗(yàn)收合格后 方可進(jìn)行下道工序的施工。防水層經(jīng)驗(yàn)收后平面及時(shí)做 20mm厚 水泥砂漿 保護(hù)層,立面抹 1:3水泥砂漿保護(hù)層 20mm厚。 5) 蓄水試驗(yàn): 蓄水試驗(yàn):涂膜防水層做完干燥固化后,應(yīng)進(jìn)行第一次蓄水試驗(yàn)。將地漏臨時(shí)堵塞,蓄水深度高過(guò)排污管最高點(diǎn) 20mm,觀察 48 小時(shí)無(wú)滲漏為合格。驗(yàn)收:蓄水試驗(yàn)時(shí),應(yīng)仔細(xì)檢查管根、地漏等薄弱部位,確保無(wú)滲漏,并填寫(xiě)檢查記錄。 Do t he f olowing t hr ee m ain points: 1 f ind out he weak. Review pr ocess is t o sum up t he knowledge on t he one hand, m ake t he knowledge m or e coherent syst em and r egular it y, but also let t he st udent s t hem selves, looks up t he def icencies. So, we t eachers t o under st and t he st udent s 39。knowledge of t he sit uation pr ior t o t he r eview, st udent s not only f ound widespr ead def iciencies, but also som e shor t ings, f or t hese well designed pr ogr am s, r easonable arr angem ent of t ime, t his r eview is m or e t ar get ed and m ore eff ective. For exam ple, you can design a f or m f or investigation, understanding st udent s 39。weaknesses in each knowledge, put i as a r eview of key, bined wit h t he pr oblem of t ext boks t o r eview, bot h t o avoid casting a t ihaizhanshu, and im prove t he f ficiency of r eview. 2, good colation. Thr ough