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膨珠保温砂浆空鼓原因及解决方案

时间:2016-07-18     作者:www.kgb27.com【原创】   阅读

膨珠保温砂浆层空鼓原因及技术交底

Bentonite is bead insulation mortar layer empty drum reasons and technical disclosure


一、因为使用质量严重不合格的玻化微珠引起的空鼓

A, because use quality caused by severe unqualified vitrified beads empty drum


目前因为玻化微珠市场价节节攀升,不少施工方为了节省玻化微珠部分的成本,购买了低价的“玻化微

At present because of vitrified microsphere, the market price rising, many construction in order to save vitrified microsphere, part of the cost, buy cheap "micro bo

珠”,这种便宜的玻化微珠因为原材料矿砂质量差和生产工艺控制不足,实质上大部分是开孔的膨胀珍

Bead ", this kind of cheap poor quality of vitrified beads for ore raw material and production process control, most essentially is the expansion of the opening Jane

珠岩与未正常膨胀的矿砂生料。当这种开孔的膨胀珍珠岩在工地现场加水搅拌时,吸水率很高。含有过

Pearl rock with normal expansion of raw ore。 When the opening of the expanded perlite adding water at the site as mixing, bibulous rate is high。 Contains a

高水分的膨珠保温浆料附在墙面上之后,水分会在浆料内部慢慢下沉,同时部分水分通过表面蒸发和被

High moisture expansion bead insulation paste is attached to the wall, the water will slowly sinking within the pulp, part of the water through the surface evaporation and at the same time

墙体吸收,膨珠保温浆料缓慢固化干燥,含有较多水分的浆料在固化时会产生更大的干缩,形成与基层

Wall absorption of slow curing dry beads insulation slurry, slurry containing a higher proportion of water in curing would produce larger shrinkage, formation and basic level

墙面的变形应力,加之保温浆料第一遍施工时未压实等情况,就可能形成保温层的局部空鼓。

The deformation and stress of metope, combined with thermal insulation slurry in construction of first pass not compaction, etc., may form local air thermal insulation layer of the drum.


二、引起玻化微珠保温层空鼓的施工因素主要有:

Second, the construction cause of vitrified beads insulation layer empty drum mainly include:


1、工地加水搅拌的水灰比不合适,造成信阳中信膨珠保温浆料粘结力差引起保温层空鼓

廊坊市华东保温材料有限公司1, the site water mixing water cement ratio is not appropriate, caused by xinyang citic of bead insulation paste adhesive power differential thermal insulation layer empty drum

解决方法:严格控制水灰比

The solution: strictly control the water cement ratio


2、工地现场搅拌不均匀,部分玻化微珠浆料的粘结力不足引起保温层空鼓

2, site mixing unevenly, partially vitrified beads pulp defect the cohesive force of thermal insulation layer empty drum

解决方法:使用合适的机械搅拌,适当延长胶粉料的搅拌时间,胶粉料搅拌均匀后再加入中信SF膨珠短

Solution: use the appropriate mechanical stirring, appropriate prolonged mixing of powder material, powder material mix again after joining citic SF, short of bead

暂搅拌。

Temporary stir.


3、上墙施工时,之前拌好的材料已超出了使用时间引起保温层空鼓

3, on the wall construction, the mixed material is beyond the time before cause insulation layer empty drum

廊坊市华东保温材料有限公司解决方法:拌好的中信SF膨珠保温浆料尽快使用完。

Solution: mixed citic SF of bead insulation slurry used up as soon as possible。


4、墙面处理不好,有浮尘,或者墙面吸水过快引起保温层空鼓

4, metope processing is bad, dust, or metope bibulous too fast caused insulation layer empty drum

解决方法:施工前清除墙面浮灰、油污、隔离剂及墙角杂物,保证施工作业面干净,混凝土墙面上如有

Solution: before construction clear metope float ash, oil, isolating agent and the corner of sundry, guarantee the construction surface is clean, if there is any concrete walls

不同的隔离剂,则需做适当的界面处理;

廊坊市华东保温材料有限公司Different isolation agent, will be expected to do the appropriate processing interface;


5、单次涂抹施工厚度适当,过厚的厚度容易造成脱粘;

廊坊市华东保温材料有限公司5, a single daub appropriate construction thickness, the thickness of the thick easy to cause debonding;

解决方法:单次涂抹施工厚度适当,设计厚度2.5cm及以上的中信膨珠保温层,建议分两层施工,第一层

Solution: single coated thickness, appropriate construction design thickness of 2.5 cm or more citic of bead insulation layer, suggested two layer construction, the first layer

廊坊市华东保温材料有限公司施工厚度不超过1.5cm,注意压实,使之与墙体粘结牢固;

Construction is not more than 1。5 cm thick, pay attention to the compaction, with strong wall binding;


6、在浆体收汗前后就进行收平等施工操作扰动了粘结面引起保温层空鼓

6, in charge before and after the sweat slurry and then to accept equal operation disturbance caused by the bonding surface insulation layer empty drum

解决方法:在浆体收汗前后不要再进行收平等施工操作以扰动粘结面。

Solution: in charge before and after the sweat slurry don't receive equal operation to bonding surface disturbance.

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