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外墻保溫砂漿施工有哪些技術要點及注意

时间:2016-07-19     作者:www.vfeqvs.com【原创】   阅读

建筑外墻體的保溫性能對整個建筑物的室內熱環境具有重要的影響,而目前工程上常用的一種外墻保溫材料是保溫砂漿。它是一種新型外墻外保溫材料,其具有自重輕、隔熱保溫和隔音性能優良、抹灰表面無裂縫、施工勞動強度低、較其它外墻保溫材料價格低等優點。筆者根據多年的工程經驗,就外墻保溫的施工技術及注意事項做簡單地介紹。
Building external wall thermal insulation performance of the entire building indoor thermal environment has an important influence, and at present commonly used in engineering is a kind of exterior wall thermal insulation material thermal insulation mortar. It is a new type of external thermal insulation material, it has weightLight, excellent heat insulation and sound insulation performance, the surface of the plaster no cracks, construction, low labor intensity, low price advantages than other exterior wall thermal insulation materials. The author based on years of experience in engineering, construction technology and matters needing attention of exterior wall thermal insulation to introduce simply.

①墻面應清理干凈無油漬、浮塵等。墻表面局部凸起物大于10mm時應鏟平。
1) wall should be cleaned up without oil stain, dust, etc. Local bump wall surface is greater than 10 mm should be razed.

②施工前一天基層應澆水濕潤,施工時基層不應過濕。
(2) the day before construction should be water wet at the grassroots level construction at the grass-roots level should not be too wet.

③基層應滿涂界面砂漿,彈厚度控制線,拉水平、垂直通線,按厚度線用用膠粉聚苯顆粒保溫砂漿作標準厚度灰餅沖筋。
(3) at the grass-roots level shall be filled with coating interface mortar, the thickness of the elastic line, horizontal and vertical lines, according to the thickness of the line to use powder polystyrene particles insulation mortar for standard screed thickness ash cake.

④界面砂漿的配置:界面砂漿按粉料:水=5:1比例配置。砂漿稠度為6cm~8cm左右。混合好的砂漿應陳化5min~10min后再用,用前再適當攪拌。
(4) the configuration of the interface mortar: interface mortar powder: water = 5 to 1 ratio configuration. Mortar consistency is 6 cm ~ 8 cm. Mixture mortar should reoccupy after 5 min to 10 min hua, appropriately again stir before use.

⑤膠粉聚苯顆粒保溫砂漿的配置:先將64kg~70kg水倒入攪拌機內,然后倒入四袋膠粉料(重20×4=80kg)攪拌3min~5min,再逐漸倒入
(5) powder polystyrene particles insulation mortar configuration: first the 64 kg to 70 kg of water in a blender, then pour into four bags of powder material (20 * 4 = 80 kg weight) stir 3 min ~ 5 min, then gradually pour in

5袋聚苯顆粒(80L)繼續攪拌3min~5min,物料拌勻后倒出(膠粉料完全包裹顆粒,顏色均勻一致),保溫砂漿應隨拌隨用,在4h內用完。
5 bags of polystyrene particles (80 l) continue to stir 3 min ~ 5 min, material mix well after pouring (powder material completely wrapped particles, uniform color), insulation mortar increases with the increasing mix should use, finished within 4 h.

⑥抗裂砂漿的配置:抗裂砂漿按粉料:水=5:1比例配置。砂漿稠度為6cm~8cm左右。混合好的砂漿應陳化5min~10min后再用,用前再適當攪拌,這樣能保證干粉砂漿中粉狀外加劑充分溶解,性能穩定均勻。
6 anti-crack mortar configuration: anti-crack mortar powder: water = 5:1 proportion configuration. Mortar consistency is 6 cm ~ 8 cm. Mixture mortar should reoccupy after 5 min to 10 min hua, with proper stirring, before this can guarantee the powder in the dry mortar admixture dissolves, stable performance.

⑦保溫隔熱層施工:施工前應安排用保溫隔熱砂漿做標準餅然后沖筋,其厚度以墻面最高處抹灰厚度不小于設計厚度為準,并進行垂直度檢查。陽角、門窗口處用1:2.5水泥砂漿作出寬50mm的護角。
All landowners thermal insulation layer construction: construction should be arranged before the use of thermal insulation mortar in standard bread then screed, its thickness is designed with wall thickness of the top rendering not less than the thickness of shall prevail, and check the vertical degree. Yang Angle by 1:2, door window. 5 cement mortar to 50 mm wide Angle bead.

⑧抹膠粉聚苯顆粒保溫砂漿,應根據設計要求分層進行,本住宅小區工程外墻保溫層厚度為2.5cm,分兩次涂抹完成。涂抹時用力要適度。抹刀與施工面夾角不
End up with powder polystyrene particles insulation mortar, layered, should according to the design requirements of the residential area of external thermal insulation layer thickness of 2.5 cm, two daub is complete. When daub the strength should be moderate. Face Angle not spatula and construction
要太大,速度應緩慢。轉角墻端保溫砂漿應壓實,以免空鼓。抹完保溫層30min后(具體時間視溫度、濕度大小而變)再用抹子壓實趕光。
To is too big, should be slow. Corner side wall thermal insulation mortar should be compacted to avoid empty drum. Wipe after 30 min insulation layer (the specific time depending on the size of the temperature and humidity change) with a trowel compaction catch the light.

⑨抗裂砂漿施工前應檢查水、電、門、窗、欄桿、空調管、煤氣管等的預埋件全部完成后方可(來源:中國保溫網)施工下道工序,否則會造成保溫系統的破壞,導致該處滲水、起鼓等質量問題。抗裂砂焊網,熱漿施工時,如墻面過于干燥,可用掃帚蘸水濕潤墻面,然后在保溫層上涂3mm~4mm抗裂砂漿。隔天后鋪設熱鍍鋅電焊網,熱鍍鋅電焊網由加長塑料栓固定,設計要求每平方米錨栓布設六個,錨栓布點采用梅花形均勻布置,水平、垂直方向相鄰錨栓間距為47cm。特殊部位和搭接處應增加錨栓。鍍鋅電焊網應鋪設平整,翹曲部位用U形鉛絲卡牢,待門、窗框安裝完畢經檢查合格后再涂抹最后一道6mm~7mm抗裂砂漿,用木抹搓平,并壓實趕光,抗裂砂漿面層要求平整,如超過允許誤差值,須用抗裂砂漿修正,局部修補區域均須用抗裂砂漿修補,否則會導致兩種材料因溫差引起不同收縮而產生裂縫,從而導致墻面滲水。應做好抗裂砂漿的防護,24h內嚴禁水沖、撞擊。養護7d后,即可進行面層裝飾施工。
Pet-name ruby anti-crack mortar before construction should check water, electricity, door, window, rail, air conditioning pipe, gas pipe and other embedded parts of the complete rear can (source: China insulation network) under the construction process, otherwise it will cause the destruction of the insulation system, causes it ooze water, a drum, etcQuantity problem. Crack sand wire welding, thermal plasma construction, such as metope is too dry, can dip in with the broom water wet metope, then daub on the insulation layer 3 mm ~ 4 mm anti-crack mortar. The next day after the laying of hot dip galvanized welded wire mesh, galvanized electricWelding net by lengthening the plastic bolt is fixed, the design requirements of every square metre of anchor bolt setting six by adopting quincunx uniform anchor points arrangement, horizontal and vertical direction adjacent anchor spacing of 47
The cm. Special place and it should increase the anchor bolt. Galvanized welded wire mesh should be laid flat, the warping parts with u-shaped lead wire card in mind, for door, window frame installed qualified through inspection before daub a final 6 mm to 7 mm crack sandUse wood pulp and flat, and compaction cast light, anti-crack mortar flat surface requirement, such as more than permissible error values, must use the anti-crack mortar correction, local repair area shall be repaired with anti-crack mortar, otherwise it will lead to two kinds of materials for temperature differenceThe different shrinkage and cracks, resulting in water seepage metope. Should take anti-crack mortar protection, water, the impact is strictly forbidden in 24 h. Maintenance after 7 d, surface decoration construction can be achieved.

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