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外墙保温的做法及其优缺点

时间:2015-12-11     作者:华东公司【原创】   阅读

1.外墙保温形式单一材料保温外墙:加气混凝土、烧结保温砖复合保温外墙:
The form of a single material of external wall insulation of exterior wall thermal insulation: 1 aerated concrete, sintering brick insulation composite insulation wall:
按照保温材料设置位置的不同,可分为内保温、外保温和夹心保温外墙。 保温装饰一体化板材其他:保温砌块等2.外墙内保温技术墙内保温是将保温材料置于外墙体的内侧。
According to the thermal insulation material is arranged in different position, can be divided into internal insulation, heat preservation and insulation sandwich wall. Thermal insulation and decoration integrated plate other: thermal insulation block 2 wall insulation technology in wall insulation is arranged in the outer wall thermal insulation material on the inner side of the.
优点:
Advantages:
1)对饰面和保温材料的防水、耐候性等技术指标的要求不甚高,纸面石膏板、石膏抹面砂浆等均可满足使用要求,取材方便;
1) waterproof, weather resistance and other technical indicators to cover and heat preservation material requirements are not very high, gypsum board, gypsum plaster mortar can meet the use requirement, convenient;
2)内保温材料被楼板所分隔,仅在一个层高范围内施工,不需搭设脚手架;
2) internal insulation materials are separated by a floor, the construction in only one storey range, without scaffold;
3)在夏热冬冷和夏热冬暖地区,内保温可以满足要求;
3) in hot summer and cold winter and hot summer and warm winter area, internal insulation can meet the requirements of;
4)对于既有建筑的节能改造,特别是目前当房屋卖给个人后,整栋楼或整个小区统一改造有困难时,只有采用内保温的可能性大一些。因此,近几年,外墙内保温也得到广泛的应用。
4) to transform both energy-efficient construction, especially at present when the housing sold to individuals, there are difficulties in the whole building or the whole area of unified transformation, only the use of thermal insulation in the possibility of some. Therefore, in recent years, external wall insulation is widely used.
缺点:
Disadvantages:
1)由于圈梁、楼板、构造柱等会引起热桥,热损失较大;
1) because the ring beam, floor, structural column will cause the bridge, more heat loss;
2)由于材料、构造、施工等原因,饰面层出现开裂;
2) due to the material, structure, construction and other reasons, the decorative layer cracking;
3)不便于用户二次装修和吊挂饰物;
3) for user two decoration and jewelry;
4)占用室内使用空间;
4) occupy the indoor use of space;
5)对既有建筑进行节能改造时,对居民的日常生活干扰较大。
5) of the existing building energy-saving renovation, the daily life of residents disturbed.
6)墙体受室外气候影响大,昼夜温差和冬夏温差大,容易造成墙体开裂。
6) the wall by the outdoor climate, the temperature difference between day and night and summer and winter temperature difference is big, easy to cause the wall cracking.
3.外墙夹心保温技术外墙夹心保温是将保温材料置于外墙的内、外侧墙片之间,内、外侧墙片可采用混凝土空心砌块。
3 exterior wall heat insulation technology of external wall thermal insulation sandwich sandwich thermal insulation material is arranged in the outer wall is inside, outside wall, lateral wall in between, can adopt hollow concrete block.
优点:
Advantages:
1)对内侧墙片和保温材料形成有效的保护,对保温材料的选材要求不高,聚苯乙烯、玻璃棉以及脲醛现场浇注材料等均可使用;
1) the formation of the effective protection of the medial wall and insulation materials, the selection of insulation material requirements is not high, polystyrene, glass wool and UF site casting materials can be used;
2)对施工季节和施工条件的要求不十分高,不影响冬期施工。在黑龙江、内蒙古、甘肃北部等严寒地区曾经得到一定的应用。
2) on the construction season construction conditions and requirements are not very high, does not affect the construction in winter. Once a certain application in severe cold area of Heilongjiang, Inner Mongolia, north of Gansu.
缺点 :
Disadvantages:
1)在非严寒地区,此类墙体与传统墙体相比尚偏厚;
1) the cold regions in the non, such wall and wall is thick compared to traditional;
2)内、外侧墙片之间需有连接件连接,构造较传统墙体复杂;
2) connector between the inner lateral walls, need, compared with the traditional wall complex structure;
3)外围护结构的“热桥”较多。在地震区,建筑中圈梁和构造柱的设置,“热桥”更多,保温材料的效率仍然得不到充分的发挥。
3) the peripheral structure of "thermal bridge" more. In the earthquake zone, building the circle beam and structural column settings, "bridge" more efficient thermal insulation material, still not get into full play.
4)外侧墙片受室外气候影响大,昼夜温差和冬夏温差大,容易造成墙体开裂和雨水渗漏
The 4 lateral walls) by the outdoor climate, the temperature difference between day and night and summer and winter temperature difference is big, easy to cause the wall cracking and water leakage

 

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