当(Dang)前(Qian)位(Wei)置(Zhi):(?)首(Shou)页(Ye) > 技(Ji)术(Shu)文(Wen)章(Zhang) > 什(Shi)么(Me)是(Shi)建(Jian)筑(Zhu)气(Qi)密(Mi)性(Xing),(?)怎(Zen)样(Yang)对(Dui)建(Jian)筑(Zhu)进(Jin)行(Xing)气(Qi)密(Mi)性(Xing)检(Jian)测(Ce)?(?)
一(Yi)、(?)建(Jian)筑(Zhu)气(Qi)密(Mi)性(Xing)的(De)基(Ji)础(Chu)概(Gai)念(Nian)及(Ji)重(Zhong)要(Yao)性(Xing)
良(Liang)好(Hao)的(De)气(Qi)密(Mi)性(Xing)可(Ke)冬(Dong)季(Ji)减(Jian)少(Shao)冷(Leng)风(Feng)渗(Shen)透(Tou)、(?)夏(Xia)季(Ji)降(Jiang)低(Di)供(Gong)冷(Leng)需(Xu)求(Qiu)、(?)防(Fang)止(Zhi)湿(Shi)气(Qi)侵(Qin)入(Ru)、(?)减(Jian)少(Shao)噪(Zao)音(Yin)和(He)空(Kong)气(Qi)污(Wu)染(Ran)等(Deng)不(Bu)良(Liang)影(Ying)响(Xiang),(?)提(Ti)高(Gao)居(Ju)住(Zhu)者(Zhe)的(De)生(Sheng)活(Huo)品(Pin)质(Zhi)。(?)
气(Qi)密(Mi)性(Xing)检(Jian)测(Ce)标(Biao)准(Zhun):(?)
国(Guo)际(Ji)标(Biao)准(Zhun):(?)《(?)IS0 9972:2015 Thermal performance of buildings Determination of air permeability of buildings Fan pressurization method》(?)
国(Guo)内(Nei)标(Biao)准(Zhun):(?)《(?)建(Jian)筑(Zhu)物(Wu)气(Qi)密(Mi)性(Xing)测(Ce)定(Ding)方(Fang)法(Fa) 风(Feng)扇(Shan)压(Ya)力(Li)法(Fa)》(?)GB/T34010-2017
《(?)近(Jin)零(Ling)能(Neng)耗(Hao)建(Jian)筑(Zhu)技(Ji)术(Shu)标(Biao)准(Zhun)》(?)GB/T 51350-2019
《(?)建(Jian)筑(Zhu)整(Zheng)体(Ti)气(Qi)密(Mi)性(Xing)检(Jian)测(Ce)及(Ji)性(Xing)能(Neng)评(Ping)价(Jia)标(Biao)准(Zhun)》(?)T/CECS 704-2020
二(?)、(?)建(Jian)筑(Zhu)气(Qi)密(Mi)性(Xing)检(Jian)测(Ce)
1. 气(Qi)密(Mi)性(Xing)检(Jian)测(Ce)方(Fang)法(Fa):(?)
3. 气(Qi)密(Mi)性(Xing)检(Jian)测(Ce)标(Biao)准(Zhun):(?)
良(Liang)好(Hao)的(De)气(Qi)密(Mi)性(Xing)是(Shi)超(Chao)低(Di)能(Neng)耗(Hao)建(Jian)筑(Zhu)设(She)计(Ji)指(Zhi)标(Biao)的(De)重(Zhong)要(Yao)标(Biao)准(Zhun)之(Zhi)一(Yi),(?)整(Zheng)体(Ti)气(Qi)密(Mi)性(Xing) n50≤(?)0.6 即(Ji)在(Zai)室(Shi)内(Nei)外(Wai)压(Ya)差(Cha)为(Wei)50帕(Pa)的(De)情(Qing)况(Kuang)下(Xia),(?)换(Huan)气(Qi)次(Ci)数(Shu)不(Bu)大(Da)于(Yu)每(Mei)小(Xiao)时(Shi)0.6次(Ci),(?)而(?)节(Jie)点(Dian)设(She)计(Ji)要(Yao)求(Qiu)的(De)施(Shi)工(Gong)质(Zhi)量(Liang)在(Zai)很(Hen)大(Da)程(Cheng)度(Du)上(Shang)决(Jue)定(Ding)了(Liao)气(Qi)密(Mi)性(Xing)水(Shui)平(Ping),(?)是(Shi)精(Jing)细(Xi)化(Hua)施(Shi)工(Gong)的(De)重(Zhong)要(Yao)体(Ti)现(Xian)。(?)
在(Zai)换(Huan)气(Qi)次(Ci)数(Shu)n±50:(?)在(Zai)压(Ya)差(Cha)为(Wei) 50Pa 时(Shi),(?)整(Zheng)栋(Dong)建(Jian)筑(Zhu)地(Di)换(Huan)气(Qi)次(Ci)数(Shu)。(?)
4. 气(Qi)密(Mi)性(Xing)测(Ce)试(Shi)流(Liu)程(Cheng):(?)
气(Qi)密(Mi)性(Xing)测(Ce)试(Shi)流(Liu)程(Cheng)严(Yan)谨(Jin)而(?)系(Xi)统(Tong),(?)共(Gong)分(Fen)为(Wei)以(Yi)下(Xia)三(San)个(Ge)关(Guan)键(Jian)步(Bu)骤(Zhou):(?)
((?)1)(?)识(Shi)别(Bie)建(Jian)筑(Zhu)气(Qi)密(Mi)性(Xing)缺(Que)陷(Xian)
首(Shou)先(Xian),(?)启(Qi)动(Dong)测(Ce)试(Shi)风(Feng)扇(Shan),(?)将(Jiang)其(Qi)设(She)定(Ding)为(Wei)从(Cong)室(Shi)内(Nei)向(Xiang)室(Shi)外(Wai)抽(Chou)取(Qu)空(Kong)气(Qi)的(De)模(Mo)式(Shi),(?)直(Zhi)至(Zhi)室(Shi)内(Nei)形(Xing)成(Cheng)并(Bing)保(Bao)持(Chi)一(Yi)个(Ge)稳(Wen)定(Ding)的(De)50帕(Pa)低(Di)压(Ya)环(Huan)境(Jing)。(?)在(Zai)此(Ci)低(Di)压(Ya)状(Zhuang)态(Tai)下(Xia),(?)外(Wai)界(Jie)空(Kong)气(Qi)会(Hui)自(Zi)然(Ran)渗(Shen)透(Tou)进(Jin)建(Jian)筑(Zhu)内(Nei)部(Bu),(?)通(Tong)过(Guo)那(Na)些(Xie)密(Mi)闭(Bi)不(Bu)严(Yan)的(De)缝(Feng)隙(Xi)。(?)如(Ru)果(Guo)建(Jian)筑(Zhu)物(Wu)的(De)气(Qi)密(Mi)性(Xing)很(Hen)强(Qiang),(?)风(Feng)扇(Shan)只(Zhi)需(Xu)要(Yao)抽(Chou)出(Chu)较(Jiao)少(Shao)的(De)空(Kong)气(Qi)就(Jiu)可(Ke)保(Bao)持(Chi)建(Jian)筑(Zhu)物(Wu)内(Nei)外(Wai)的(De)气(Qi)压(Ya)差(Cha)。(?)通(Tong)过(Guo)精(Jing)确(Que)测(Ce)量(Liang)ACH值(Zhi)((?)每(Mei)小(Xiao)时(Shi)空(Kong)气(Qi)置(Zhi)换(Huan)的(De)次(Ci)数(Shu):(?)一(Yi)小(Xiao)时(Shi)内(Nei)建(Jian)筑(Zhu)物(Wu)内(Nei)部(Bu)容(Rong)积(Ji)大(Da)小(Xiao)的(De)空(Kong)气(Qi)全(Quan)部(Bu)置(Zhi)换(Huan)的(De)次(Ci)数(Shu))(?),(?)可(Ke)以(Yi)评(Ping)估(Gu)建(Jian)筑(Zhu)的(De)气(Qi)密(Mi)性(Xing)能(Neng)。(?)常(Chang)见(Jian)的(De)气(Qi)密(Mi)性(Xing)不(Bu)足(Zu)点(Dian)通(Tong)常(Chang)位(Wei)于(Yu)建(Jian)筑(Zhu)围(Wei)护(Hu)结(Jie)构(Gou)的(De)接(Jie)缝(Feng)处(Chu),(?)如(Ru)外(Wai)墙(Qiang)与(Yu)地(Di)板(Ban)、(?)墙(Qiang)体(Ti)间(Jian)、(?)屋(Wu)顶(Ding)连(Lian)接(Jie)、(?)门(Men)窗(Chuang)安(An)装(Zhuang)处(Chu)以(Yi)及(Ji)阁(Ge)楼(Lou)与(Yu)渗(Shen)透(Tou)层(Ceng)的(De)交(Jiao)界(Jie)等(Deng)。(?)
((?)2)(?)缺(Que)陷(Xian)部(Bu)位(Wei)的(De)修(Xiu)复(Fu)
在(Zai)确(Que)定(Ding)了(Liao)具(Ju)体(Ti)的(De)气(Qi)密(Mi)性(Xing)缺(Que)陷(Xian)位(Wei)置(Zhi)后(Hou),(?)接(Jie)下(Xia)来(Lai)便(Bian)是(Shi)针(Zhen)对(Dui)这(Zhe)些(Xie)区(Qu)域(Yu)进(Jin)行(Xing)细(Xi)致(Zhi)的(De)填(Tian)补(Bu)与(Yu)修(Xiu)整(Zheng)工(Gong)作(Zuo)。(?)通(Tong)过(Guo)维(Wei)持(Chi)建(Jian)筑(Zhu)内(Nei)部(Bu)的(De)50帕(Pa)恒(Heng)低(Di)压(Ya)环(Huan)境(Jing),(?)专(Zhuan)家(Jia)能(Neng)够(Gou)持(Chi)续(Xu)监(Jian)测(Ce)并(Bing)标(Biao)记(Ji)出(Chu)所(Suo)有(You)需(Xu)要(Yao)修(Xiu)复(Fu)的(De)部(Bu)位(Wei),(?)随(Sui)后(Hou)逐(Zhu)一(Yi)进(Jin)行(Xing)专(Zhuan)业(Ye)处(Chu)理(Li),(?)以(Yi)提(Ti)升(Sheng)建(Jian)筑(Zhu)的(De)整(Zheng)体(Ti)气(Qi)密(Mi)性(Xing)。(?)
((?)3)(?)验(Yan)证(Zheng)修(Xiu)复(Fu)效(Xiao)果(Guo)
修(Xiu)复(Fu)工(Gong)作(Zuo)完(Wan)成(Cheng)后(Hou),(?)进(Jin)入(Ru)测(Ce)试(Shi)流(Liu)程(Cheng)的(De)最(Zui)后(Hou)一(Yi)个(Ge)阶(Jie)段(Duan)—(?)—(?)验(Yan)证(Zheng)修(Xiu)复(Fu)的(De)有(You)效(Xiao)性(Xing)。(?)此(Ci)时(Shi),(?)专(Zhuan)家(Jia)会(Hui)再(Zai)次(Ci)对(Dui)建(Jian)筑(Zhu)进(Jin)行(Xing)气(Qi)密(Mi)性(Xing)测(Ce)试(Shi),(?)但(Dan)这(Zhe)次(Ci)测(Ce)试(Shi)不(Bu)仅(Jin)限(Xian)于(Yu)负(Fu)压(Ya)环(Huan)境(Jing),(?)还(Huan)会(Hui)在(Zai)负(Fu)压(Ya)测(Ce)试(Shi)达(Da)标(Biao)的(De)基(Ji)础(Chu)上(Shang)增(Zeng)加(Jia)正(Zheng)压(Ya)测(Ce)试(Shi)。(?)通(Tong)过(Guo)正(Zheng)压(Ya)与(Yu)负(Fu)压(Ya)两(Liang)种(Zhong)状(Zhuang)态(Tai)下(Xia)的(De)测(Ce)试(Shi),(?)分(Fen)别(Bie)记(Ji)录(Lu)并(Bing)比(Bi)较(Jiao)新(Xin)的(De)ACH值(Zhi),(?)从(Cong)而(?)全(Quan)面(Mian)评(Ping)估(Gu)建(Jian)筑(Zhu)的(De)气(Qi)密(Mi)性(Xing)是(Shi)否(Fou)已(Yi)达(Da)到(Dao)既(Ji)定(Ding)标(Biao)准(Zhun)。(?)这(Zhe)一(Yi)过(Guo)程(Cheng)确(Que)保(Bao)了(Liao)修(Xiu)复(Fu)工(Gong)作(Zuo)的(De)有(You)效(Xiao)性(Xing),(?)也(Ye)为(Wei)建(Jian)筑(Zhu)最(Zui)终(Zhong)获(Huo)得(De)质(Zhi)量(Liang)认(Ren)证(Zheng)提(Ti)供(Gong)了(Liao)可(Ke)靠(Kao)依(Yi)据(Ju)。(?)
三(San)、(?)设(She)计(Ji)与(Yu)施(Shi)工(Gong)的(De)重(Zhong)要(Yao)性(Xing)
设(She)计(Ji)与(Yu)施(Shi)工(Gong)的(De)平(Ping)衡(Heng):(?)超(Chao)低(Di)能(Neng)耗(Hao)建(Jian)设(She)强(Qiang)调(Diao)“(?)三(San)分(Fen)设(She)计(Ji)、(?)七(Qi)分(Fen)施(Shi)工(Gong)",(?)施(Shi)工(Gong)精(Jing)细(Xi)化(Hua)是(Shi)决(Jue)定(Ding)节(Jie)能(Neng)目(Mu)标(Biao)能(Neng)否(Fou)实(Shi)现(Xian)的(De)关(Guan)键(Jian)因(Yin)素(Su)。(?)
提(Ti)升(Sheng)施(Shi)工(Gong)质(Zhi)量(Liang):(?)鉴(Jian)于(Yu)国(Guo)内(Nei)施(Shi)工(Gong)水(Shui)平(Ping)参(Can)差(Cha)不(Bu)齐(Qi),(?)需(Xu)加(Jia)强(Qiang)对(Dui)现(Xian)场(Chang)工(Gong)人(Ren)的(De)培(Pei)训(Xun),(?)提(Ti)高(Gao)其(Qi)对(Dui)气(Qi)密(Mi)性(Xing)重(Zhong)要(Yao)性(Xing)的(De)认(Ren)识(Shi),(?)严(Yan)把(Ba)工(Gong)程(Cheng)质(Zhi)量(Liang)关(Guan),(?)提(Ti)升(Sheng)施(Shi)工(Gong)水(Shui)平(Ping)。(?)
建(Jian)筑(Zhu)气(Qi)密(Mi)性(Xing)施(Shi)工(Gong)做(Zuo)法(Fa)与(Yu)建(Jian)材(Cai)产(Chan)品(Pin):(?)
四(Si)、(?)小(Xiao)结(Jie)
气(Qi)密(Mi)性(Xing)测(Ce)试(Shi)是(Shi)超(Chao)低(Di)能(Neng)耗(Hao)建(Jian)筑(Zhu)建(Jian)设(She)中(Zhong)的(De)一(Yi)环(Huan),(?)其(Qi)重(Zhong)要(Yao)性(Xing)不(Bu)仅(Jin)体(Ti)现(Xian)在(Zai)对(Dui)节(Jie)能(Neng)目(Mu)标(Biao)的(De)直(Zhi)接(Jie)影(Ying)响(Xiang)上(Shang),(?)还(Huan)关(Guan)系(Xi)到(Dao)建(Jian)筑(Zhu)的(De)整(Zheng)体(Ti)性(Xing)能(Neng)和(He)居(Ju)住(Zhu)者(Zhe)的(De)生(Sheng)活(Huo)质(Zhi)量(Liang)。(?)通(Tong)过(Guo)科(Ke)学(Xue)的(De)测(Ce)试(Shi)方(Fang)法(Fa)和(He)严(Yan)格(Ge)的(De)施(Shi)工(Gong)标(Biao)准(Zhun),(?)可(Ke)以(Yi)有(You)效(Xiao)提(Ti)升(Sheng)建(Jian)筑(Zhu)气(Qi)密(Mi)性(Xing),(?)进(Jin)而(?)实(Shi)现(Xian)更(Geng)高(Gao)的(De)节(Jie)能(Neng)效(Xiao)果(Guo)和(He)更(Geng)好(Hao)的(De)居(Ju)住(Zhu)环(Huan)境(Jing)。(?)
建(Jian)筑(Zhu)气(Qi)密(Mi)性(Xing)检(Jian)测(Ce)设(She)备(Bei):(?)