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膨胀珍珠岩保温砂浆施工有哪些技术要求

时间:2016-07-19     作者:www。hdbwsj。com【原创】   阅读

一、梯调楼屋面保温层做法:
A, ladder DiaoLou roof insulation layer is:
  

1、采用水泥膨胀珍珠岩保温砂浆现浇铺设;
1, using cement cast-in-place expanded perlite insulation mortar;
  

2、保温层配比为:水泥:膨胀珍珠岩=1:5(体积比),在找坡最薄处为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#普通硅酸盐水泥;
3, cement: 425 # ordinary Portland cement;
  

4、膨胀珍珠岩:颗粒粒度0.1~3mm;
4, expanded perlite: grain size 0.1 ~ 3 mm;
  

二、施工工艺及施工技术:
Second, the construction technology and construction technology:
  

1、施工工艺:基层处理→保温砂浆搅拌→铺设、压紧→刮平→找平。
1, construction technology, the basic level processing - thermal insulation mortar mixing - laying, compaction to leveling, leveling.
  

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

⑴、基层处理:在抹水泥膨胀珍珠岩保温砂浆之前,应事先检查基层,基层过于凹凸的部位,高出的部分须剔平,低处用水泥砂浆分层填实,基层表面的灰尘、污垢等应事先清除干净。
(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、信阳水泥膨胀珍珠岩保温砂浆搅拌:
2] xinyang, expanded perlite insulation mortar cement mixing:
  

①、机械搅拌:
(1), mechanical mixing:
  

a、搅拌之前先将所需水量倒入搅拌机内,启动搅拌机1~2min后加入水 泥膨胀珍珠岩保温砂浆粉料。
A, stir before you pour water into a blender, start the agitator 1 ~ 2 min after adding water expanded perlite insulation mortar powder.
  

b、搅拌时间以1.5~2.0min为宜。
B, stirring time is 1.5 ~ 2.0 min.
  

c、水泥膨胀珍珠岩保温砂浆的加水量以拌和好的料浆稠度为7.5cm左右,密度控制在950~1050g/L加水量一般为,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、搅拌好的水泥膨胀珍珠岩保温砂浆要及时装车运至施工现场,超过使用时间的砂浆严禁加水后在用。
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、人工搅拌:
(2), artificial mixing:
  

人工搅拌时必须搅拌均匀,并严格控制加水量,不能水泥膨胀珍珠岩保温砂浆过稀,同时要求在铁板或灰槽中搅拌,严禁在铺设面或室内地面搅拌。
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 、铺设保温层:
(3), laid insulation layer:
 

 ①、首先将屋面各控制点的高度用信阳水泥膨胀珍珠岩保温砂浆或普通砂浆做好,然后根据已做好的控制点拉线,将水泥膨胀珍珠岩保温砂浆按照压缩比(压缩比是指屋面上松散的保温层厚度与压实后的厚度之比)为130%的比例进行虚铺保温层,同时找坡,虚铺后的保温层用木杠压紧、刮平,再压实至设计厚度。
(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、水泥膨胀珍珠岩保温屋面做好后,经过2-3d后再做找平层,该找平层层面上必须设置分格缝充当保温层的排气道,以便保温层的水分在做防水前充分蒸发,分格缝纵横最大间距6m,分格缝宽为30mm,具体做法见西南J212-1第42页节点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、质量要求:
Three, quality requirements:
  

1、水泥膨胀珍珠岩保温砂浆与基层及各层砂浆之间应粘结牢固,不得有空鼓、起泡、裂缝、漏压等缺陷。
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、接茬处平整,表面光滑整洁。
2, summer-planting level off, the surface smooth and neat.

 

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