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膨脹珍珠巖保溫砂漿施工有哪些技術要求

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

一、梯調樓屋面保溫層做法:
A, ladder DiaoLou roof insulation layer is:
  

1、采用水泥膨脹珍珠巖保溫砂漿現澆鋪設;
1, using cement cast-in-place expanded perlite insulation mortar;
  

2、保溫層配比為:水泥:膨脹珍珠巖=1:5(體積比),在找坡最薄處為30mm;
2, the ratio of thermal insulation layer is: cement: expanded perlite = 1:5 (volume ratio), looking for a slope of 30 mm the thinnest place;
  

3、水泥:425#普通硅酸鹽水泥;
3, cement: 425 # ordinary Portland cement;
  

4、膨脹珍珠巖:顆粒粒度0.1~3mm;
4, expanded perlite: grain size 0.1 ~ 3 mm;
  

二、施工工藝及施工技術:
Second, the construction technology and construction technology:
  

1、施工工藝:基層處理→保溫砂漿攪拌→鋪設、壓緊→刮平→找平。
1, construction technology, the basic level processing - thermal insulation mortar mixing - laying, compaction to leveling, leveling.
  

2、施工技術:
2, the construction technology:
  

⑴、基層處理:在抹水泥膨脹珍珠巖保溫砂漿之前,應事先檢查基層,基層過于凹凸的部位,高出的部分須剔平,低處用水泥砂漿分層填實,基層表面的灰塵、污垢等應事先清除干凈。
(1), the basic level processing: before the expanded perlite insulation mortar with cement, should check at the grass-roots level, at the grass-roots level too concave and convex parts, part of the higher must pick out flat, lower layer filled with cement mortar, the primary surface dust, dirt, etc should be cleared in advance.
  

⑵、信陽水泥膨脹珍珠巖保溫砂漿攪拌:
2] xinyang, expanded perlite insulation mortar cement mixing:
  

①、機械攪拌:
(1), mechanical mixing:
  

a、攪拌之前先將所需水量倒入攪拌機內,啟動攪拌機1~2min后加入水 泥膨脹珍珠巖保溫砂漿粉料。
A, stir before you pour water into a blender, start the agitator 1 ~ 2 min after adding water expanded perlite insulation mortar powder.
  

b、攪拌時間以1.5~2.0min為宜。
B, stirring time is 1.5 ~ 2.0 min.
  

c、水泥膨脹珍珠巖保溫砂漿的加水量以拌和好的料漿稠度為7.5cm左右,密度控制在950~1050g/L加水量一般為,粉料:水=1:1(重量比)。
C, expanded perlite insulation mortar water added to cement mixing good pulp consistency is 7.5 cm, density control in 950 ~ 1050 g/L water added is commonly, powder: water = 1:1 (weight ratio).
  

d、攪拌好的水泥膨脹珍珠巖保溫砂漿要及時裝車運至施工現場,超過使用時間的砂漿嚴禁加水后在用。
D, expanded perlite insulation mortar cement mixture to loading in a timely manner to the construction site, over time the mortar after adding water in use is forbidden.
  

②、人工攪拌:
(2), artificial mixing:
  

人工攪拌時必須攪拌均勻,并嚴格控制加水量,不能水泥膨脹珍珠巖保溫砂漿過稀,同時要求在鐵板或灰槽中攪拌,嚴禁在鋪設面或室內地面攪拌。
Artificial mixing must mix, and strictly control the water content, not too thin, expanded perlite insulation mortar cement requirements in iron or ash pit stirring at the same time, it is strictly prohibited in laying face or indoor ground mixing.
  

⑶ 、鋪設保溫層:
(3), laid insulation layer:
 

 ①、首先將屋面各控制點的高度用信陽水泥膨脹珍珠巖保溫砂漿或普通砂漿做好,然后根據已做好的控制點拉線,將水泥膨脹珍珠巖保溫砂漿按照壓縮比(壓縮比是指屋面上松散的保溫層厚度與壓實后的厚度之比)為130%的比例進行虛鋪保溫層,同時找坡,虛鋪后的保溫層用木杠壓緊、刮平,再壓實至設計厚度。
(1), the height of the roof of each control point of the xinyang expanded perlite insulation mortar or ordinary cement mortar, and then according to the control points of the drawing has been completed, will be expanded perlite insulation mortar cement according to the compression ratio, compression ratio is refers to the roof on the loose of the thickness of insulation layer thickness and compaction ratio) for 130% of the virtual thermal insulation layer, at the same time to find slope, virtual thermal insulation layer with wooden poles after compaction, leveling and compaction to design thickness.
  

②、水泥膨脹珍珠巖保溫屋面做好后,經過2-3d后再做找平層,該找平層層面上必須設置分格縫充當保溫層的排氣道,以便保溫層的水分在做防水前充分蒸發,分格縫縱橫最大間距6m,分格縫寬為30mm,具體做法見西南J212-1第42頁節點C。
(2), cement, expanded perlite insulation roofing well after, after 2-3 d to do the leveling layer, the leveling layer upon layer must be set on the surface of frame joint ACTS as a thermal insulation layer of the exhaust duct, so that insulation moisture to evaporate before doing waterproof fully, frame joint maximum span 6 m, frame joint is 30 mm wide, particular way see page 42 southwest J212-1 nodes C.
  

三、質量要求:
Three, quality requirements:
  

1、水泥膨脹珍珠巖保溫砂漿與基層及各層砂漿之間應粘結牢固,不得有空鼓、起泡、裂縫、漏壓等缺陷。
1, cement, expanded perlite insulation mortar with strong base and between the layers of mortar shall be binding and may not be free drum, foaming, defects such as cracks, leakage pressure.
  

2、接茬處平整,表面光滑整潔。
2, summer-planting level off, the surface smooth and neat.

 

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