duijianzhuwudefangleijiancezhong,shouxianyinggaijiancefangleizhuangzhidejieditiheyinxiaxiandeceshikou,bingqieyinggaizonghekaolvloudingceshidiandexuanquduijiancecanshudeyingxiang,haiyinggaigenjujianzhuwudedingduanshuaixianjinxingjiance,ruguoloudingshipingde,zaijinxingceshidianxuanzeshi,yinggaigenjuloudingmianjidejinxingxuanze2-4個測試點,如果檢測的建築物在兩層或兩層以上,需要在每一層選擇2geceshidian,ceshidiantongchangxuanzezaifangleiwangheyinxiaxiandelianjieweizhi,zaijianzhuwufangleijiancegongzuoduiyuyouyinxiaxianheceshikoudejianzhu,yinggaitongguoyinxiaxianhejiexiankadebuweiduijiedidianzujinxingceshi,tongguojiangjiancedeshujuyuloudingdejianceshujujinxingduibi,congerkeyijiancechujianzhuwufangleisheshishifoukekao,tebieshiloucengheyinxiaxiandefangleiwangzhijiandelianjieshifouliantongqiekekao。
一、打樁點的選擇
在zai現xian場chang防fang雷lei檢jian測ce工gong作zuo中zhong,接jie地di樁zhuang的de位wei置zhi不bu同tong,測ce量liang的de電dian阻zu值zhi也ye有you所suo不bu同tong,在zai防fang雷lei檢jian測ce中zhong為wei了le保bao證zheng接jie地di電dian阻zu的de檢jian測ce的de準zhun性xing和he可ke靠kao性xing,在zai確que定ding打da樁zhuang點dian的de位wei置zhi時shi,應ying該gai根gen據ju有you關guan的de要yao求qiu進jin行xing選xuan擇ze,在zai距ju離li檢jian測ce點dian20m、40m分別打入兩個金屬樁,作為檢測的電流和電壓的輔助級,並且應該保證電壓輔助級、電流輔助級以及檢測點之間應該在同一條直線上,並且在進行選擇打樁點的過程中應該科學合理的進行電壓極點和電流極點的位置。
二、連接導線的使用
jiedidianzuceshiyishifangleijiancezhongzhongyaodeshebeizhiyi,qigongzuoyuanlizhuyaoshidianliutongguodaoxianyijidianliuchanshengdianya,ranhoujiangchanshengdedianyazhiyujizhundianyajinxingbijiao,congertuisuanchujiedidianzuzhidedaxiao,zaijiancedeguochengzhongruguodaoxianchengwanquzhuang,zehuizhijieyingxiangfangleijianceshuju,bingqiezaixianchangfangleijiancezhong,jingchanghuiyudaoyouyuloucengbijiaogaoerdaoxianbugoudewenti,yincizaixuyaojinxingjiajiedaoxian,zailianjiedeguochengzhong,bixuquebaodaoxianlianjiedejinmixing,zaijianceshujuquedingdeguochengzhong,yinggaibajiajiededaoxianchanshengdianzuzhijianqu,congerbaozhengjiedidianzudezhengquexing,ruguoxiangyaojianqudedianzuzhijuyouhelixing,haiyinggaigefangmianjinxingkaolvdazhuangjuli、季節問題以及導線的長度和導線的伸展程度等因素。
三、氧化層的處理
在防雷檢測工作中,為了保證檢測的準性,可靠性,注意由於接地樁、檢(jian)測(ce)點(dian)以(yi)及(ji)線(xian)夾(jia)都(dou)屬(shu)於(yu)金(jin)屬(shu)物(wu),長(chang)期(qi)在(zai)空(kong)氣(qi)中(zhong),其(qi)表(biao)麵(mian)將(jiang)會(hui)被(bei)一(yi)氧(yang)化(hua)層(ceng)覆(fu)蓋(gai),氧(yang)化(hua)層(ceng)具(ju)有(you)一(yi)定(ding)的(de)絕(jue)緣(yuan)性(xing),如(ru)果(guo)不(bu)及(ji)時(shi)除(chu)去(qu),將(jiang)會(hui)對(dui)檢(jian)測(ce)的(de)可(ke)靠(kao)性(xing)造(zao)成(cheng)嚴(yan)重(zhong)影(ying)響(xiang),在(zai)進(jin)行(xing)防(fang)雷(lei)檢(jian)測(ce)前(qian)首(shou)先(xian)應(ying)將(jiang)接(jie)地(di)裝(zhuang)置(zhi)和(he)引(yin)下(xia)線(xian)的(de)檢(jian)測(ce)點(dian)處(chu)表(biao)麵(mian)的(de)氧(yang)化(hua)層(ceng)去(qu)除(chu),為(wei)了(le)避(bi)免(mian)這(zhe)種(zhong)情(qing)況(kuang)的(de)發(fa)生(sheng),接(jie)地(di)裝(zhuang)置(zhi)設(she)置(zhi)可(ke)以(yi)設(she)計(ji)不(bu)鏽(xiu)鋼(gang)材(cai)料(liao),在(zai)防(fang)雷(lei)檢(jian)測(ce)的(de)過(guo)程(cheng)中(zhong),除(chu)了(le)應(ying)該(gai)對(dui)檢(jian)測(ce)點(dian)進(jin)行(xing)打(da)磨(mo)處(chu)理(li)之(zhi)外(wai),還(hai)應(ying)該(gai)在(zai)檢(jian)測(ce)點(dian)和(he)夾(jia)子(zi)處(chu)金(jin)屬(shu)表(biao)麵(mian)比(bi)較(jiao)亮(liang)的(de)凸(tu)起(qi)部(bu)分(fen)相(xiang)連(lian)接(jie),從(cong)而(er)能(neng)夠(gou)提(ti)高(gao)檢(jian)測(ce)數(shu)據(ju)的(de)可(ke)信(xin)度(du)。