苏南地区外墙保温现状分析与研究
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摘要
由于我国人均能源资源拥有量低于全世界人均水平的一半,而经济的发展依赖于能源的发展。为了实现我国可持续发展战略,在建筑节能方面,国家已发出对建筑节能强制实行50%,推广应用65%的基本国策。本文着重介绍了苏南地区目前墙体保温的现状,分析了各种保温系统的原理、构造及优缺点,并通过ANSYS有限元软件对多种保温系统进行了分析比较。主要成果如下:
(1)墙体保温有三种主要形式,具体包括外墙内保温、外墙夹心保温及外墙外保温,相比较而言,采用外墙外保温的效果更加良好。
(2)苏南地区外墙外保温一般采用板材类和浆料类保温材料。板材类主要有发泡聚苯乙烯泡沫板(EPS板)和挤塑聚苯乙烯泡沫板(XPS板)。在相同环境条件下,XPS板保温性能优于EPS板的保温性能,但从综合性能价格比来看,施工单位更倾向采用EPS板。
(3)对于EPS板保温系统,EPS板薄抹灰保温系统和EPS无网保温系统的保温效果明显优于有网系统和机械固定系统。
(4)对于同一种保温系统,增加保温材料的厚度,在一定程度上可以提高保温效果,但是效果不是很明显。
(5)保温砂浆的保温效果高于EPS板薄抹灰保温系统的保温效果。根据计算结果,采用保温系统的建筑节能效果明显。
The level of energy resources per capita in China is less than half of the world, but economic development depends on energy development. In order to achieve sustainable development strategy in China, the government of the People's Republic of China has issued the basic national policy that it is compulsory to keep building energy-saving of 50% and it is suggested to promote building energy-saving of 65%. This article focuses on presenting the current status of wall insulation in the Sunan region , analyzing theories of various insulation systems, constructions as well as advantages and disadvantages. Moreover, through ANSYS finite element software, a variety of insulation systems are analyzed and compared. Main results are as follows:
(1) There are three main forms about wall insulation, including the interior insulation of the walls, sandwich insulation of the walls and the exterior insulation of the walls, and the use of exterior insulation has more good results compared with the others..
(2) In the Sunan region , planking category insulation materials and mortar category insulation materials are usually adopted on external walls of the exterior insulation system. As far as planking category is concerned, there are two plates including expanded polystyrene foam (EPS boards) and extruded polystyrene foam (XPS board). In the same environmental conditions,the insulation performance of XPS board is better than the insulation performance of EPS board, but comprehensive about cost and effect of insulation, the construction corporations are inclined to use EPS boards.
(3) As to EPS-insulation system, EPS thin-plastering insulation systems and insulation systems composed of EPS boards without networks are superior to those composed of EPS boards with network systems and mechanical fixed systems in the insulating effect.
(4) For the same type of insulation systems, increasing the thickness of insulation materials, to a certain extent, can improve the insulation effect, but the effect is a little .
(5)The insulation effect of insulation mortar is better than that of the EPS thin-plastering insulation system. According to the calculated results, the buildings with insulating systems have a good effect on energy-saving
(1)墙体保温有三种主要形式,具体包括外墙内保温、外墙夹心保温及外墙外保温,相比较而言,采用外墙外保温的效果更加良好。
(2)苏南地区外墙外保温一般采用板材类和浆料类保温材料。板材类主要有发泡聚苯乙烯泡沫板(EPS板)和挤塑聚苯乙烯泡沫板(XPS板)。在相同环境条件下,XPS板保温性能优于EPS板的保温性能,但从综合性能价格比来看,施工单位更倾向采用EPS板。
(3)对于EPS板保温系统,EPS板薄抹灰保温系统和EPS无网保温系统的保温效果明显优于有网系统和机械固定系统。
(4)对于同一种保温系统,增加保温材料的厚度,在一定程度上可以提高保温效果,但是效果不是很明显。
(5)保温砂浆的保温效果高于EPS板薄抹灰保温系统的保温效果。根据计算结果,采用保温系统的建筑节能效果明显。
The level of energy resources per capita in China is less than half of the world, but economic development depends on energy development. In order to achieve sustainable development strategy in China, the government of the People's Republic of China has issued the basic national policy that it is compulsory to keep building energy-saving of 50% and it is suggested to promote building energy-saving of 65%. This article focuses on presenting the current status of wall insulation in the Sunan region , analyzing theories of various insulation systems, constructions as well as advantages and disadvantages. Moreover, through ANSYS finite element software, a variety of insulation systems are analyzed and compared. Main results are as follows:
(1) There are three main forms about wall insulation, including the interior insulation of the walls, sandwich insulation of the walls and the exterior insulation of the walls, and the use of exterior insulation has more good results compared with the others..
(2) In the Sunan region , planking category insulation materials and mortar category insulation materials are usually adopted on external walls of the exterior insulation system. As far as planking category is concerned, there are two plates including expanded polystyrene foam (EPS boards) and extruded polystyrene foam (XPS board). In the same environmental conditions,the insulation performance of XPS board is better than the insulation performance of EPS board, but comprehensive about cost and effect of insulation, the construction corporations are inclined to use EPS boards.
(3) As to EPS-insulation system, EPS thin-plastering insulation systems and insulation systems composed of EPS boards without networks are superior to those composed of EPS boards with network systems and mechanical fixed systems in the insulating effect.
(4) For the same type of insulation systems, increasing the thickness of insulation materials, to a certain extent, can improve the insulation effect, but the effect is a little .
(5)The insulation effect of insulation mortar is better than that of the EPS thin-plastering insulation system. According to the calculated results, the buildings with insulating systems have a good effect on energy-saving
引文
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38.陈广福等.新型墙体材料手册[M].第二版.北京:中国建材工业出版社,2001
39.倪文等.绝热材料的优化设计[J].新型建筑材料,2001(2):31-33
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41.陈应钦.新型建筑材料的生产与应用[J].广州:广东科技出版社,1993
2.谢文丁,谢朝晖.开发节能型、健康型和安全三型一体的新型墙用隔热保温材料[J].建筑节能,2005
3.陈广福等.新型墙体材料手册[M].第二版.北京:中国建材工业出版社,2001
4.金分树,孔人莹.新型墙体材料[M].合肥:安徽科学技术出版社,1999
5.章熙民.传热学[J].北京:中国建筑工业出版社,1985
6.徐云伟,贾殉,陈滨.墙体材料选择与最佳经济厚度的优化研究[J].节能环保,2006
7.张国栋,郭金成.当前墙体保温技术存在的问题分析[J].科技信息,2007
8.中华人民共和国建设部,GB023121-1,外墙外保温建筑构造(一),北京,中国标准出版物,2007
9.中华人民共和国建设部,GB02J121-1,外墙外保温建筑构造(一),北京,中国标准出版物,2007
10.中华人民共和国建设部,GB02J121-1,外墙外保温建筑构造(一),北京,中国标准出版物,2007
11.中华人民共和国建设部,JGJ144-2004,外墙外保温工程技术规程,北京,中国建筑工业出版社,2005
12.王命平,于晓静,王业中.外保温体系胶粘剂与聚苯板粘结强度的试验研究[J].建筑技术,2007(10):734
13.刘革平,张明伟.EPS板薄抹灰外墙外保温技术[J].建筑技术,2006,37(10):747.
14.陈亚兵.外墙外保温及不同材料的技术性能比较[J].建筑施工,2005,27:32-33.
15.中华人民共和国建设部,JGJ144-2004,外墙外保温工程技术规程,北京,中国建筑工业出版社,2005年
16.陈平.外墙外保温粘贴EPS板薄抹灰系统粘贴面砖探讨[J].福建建设科技,2007.5
17.中华人民共和国建设部,JGA144-2004,外墙外保温工程技术规程,北京,中国建筑工业出版社,2005年
18.中华人民共和国建设部,JGJ144-2004,外墙外保温工程技术规程,北京,中国建筑工业出版社,2005年
19.陈海涛,乔海涛,刘建平,张双喜.复合保温墙体中钢筋网对其保温性能的影响[J].新型建筑材料.2005:37-38
20.孙蒙杰.保温复合墙体施工工艺[J].建筑科学,2007.12:111
21.勾密峰,袁运法,张爱霞.保温节能技术[J].河北建材,2007.1
22.褚智勇,王晓川,罗奇,建筑设计的材料语言[M],中国电力出版社,2006.3
23.李传涛等.胶粉聚苯颗粒外墙外保温系统之浅析[J].江苏建材,2006.3:39-41
24.中华人民共和国建设部,JG158-2004,胶粉聚苯颗粒外墙外保温系统.北京,中国建筑工业出版社,2004
25.中华人民共和国建设部,JG158-2004,胶粉聚苯颗粒外墙外保温系统.北京,中国建筑工业出版社,2004
26.姜继圣,罗玉萍,兰翔.新型建筑绝热、吸声材料[M].北京:材料科学与工程出版中心,2002.8:24-25
27.吴德茂等编著.新型建筑材料产品指南[M].北京:中国建材工业出版社,1992
28.房志勇等.建筑节能技术[M].北京:中国建材工业出版社,1998
29.徐惠忠,周明.绝热材料生产及应用[M].北京:中国建材工业出版社,2001.8
30.罗奇.保温材料与节能技术[J].江苏建材,2005.5.27
31.刘占涛,杨晓岩.墙体保温膏浆施工技术[J].科技信息,2006:260
32.吴雅君,刘春香.住宅墙体保温薄弱部位的构造做法与研究[J].辽宁工学院学报.2006.2(4):120-121
33.秦华虎,李职云,黄仕诚,朱俊贤.新型建筑材料施工手册[M].北京:中国建筑工业出版社,1994
34.肖坚.高寒地区坡屋顶隔热保温构造[J].湖南大学硕士论文.湖南:湖南大学2006.31-32
35.田泽民等.新型建筑材料施工手册[M].北京:中国建筑工业出版社,1994
36.Warren M,Rohsenow et.Handbook of Heat Transfer Fundamentals,MCGraw-Hill Book Company,1985
37.王少南,张玉祥主编.新型节能建材[M].北京:中国建材工业出版社,1992
38.陈广福等.新型墙体材料手册[M].第二版.北京:中国建材工业出版社,2001
39.倪文等.绝热材料的优化设计[J].新型建筑材料,2001(2):31-33
40.闫格.硬质聚氨酯泡沫在屋顶和墙体上的应用[J].新型建筑材料.2001.10:13
41.陈应钦.新型建筑材料的生产与应用[J].广州:广东科技出版社,1993