烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)-技(Ji)术(Shu)资(Zi)讯(Xun)
1)(?)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)工(Gong)程(Cheng)时(Shi),(?)所(Suo)有(You)用(Yong)到(Dao)的(De)金(Jin)属(Shu)部(Bu)件(Jian)必(Bi)须(Xu)进(Jin)行(Xing)相(Xiang)应(Ying)地(Di)防(Fang)腐(Fu)操(Cao)作(Zuo)。(?)安(An)装(Zhuang)时(Shi)仔(Zi)细(Xi)研(Yan)究(Jiu)避(Bi)雷(Lei)针(Zhen)的(De)安(An)装(Zhuang)要(Yao)求(Qiu),(?)一(Yi)般(Ban)情(Qing)况(Kuang)下(Xia),(?)避(Bi)雷(Lei)针(Zhen)是(Shi)垂(Chui)直(Zhi)安(An)装(Zhuang)在(Zai)烟(Yan)囱(Cong)顶(Ding)部(Bu)的(De),(?)允(Yun)许(Xu)出(Chu)现(Xian)的(De)偏(Pian)差(Cha)值(Zhi)应(Ying)该(Gai)是(Shi)少(Shao)于(Yu)1/1000。(?)
2)(?)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)时(Shi)一(Yi)般(Ban)接(Jie)头(Tou)处(Chu)是(Shi)运(Yun)用(Yong)搭(Da)接(Jie)焊(Han)的(De)工(Gong)艺(Yi)进(Jin)行(Xing)接(Jie)口(Kou)的(De)衔(Xian)接(Jie),(?)要(Yao)保(Bao)证(Zheng)足(Zu)够(Gou)的(De)强(Qiang)度(Du),(?)按(An)照(Zhao)国(Guo)家(Jia)*新(Xin)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)的(De)相(Xiang)应(Ying)要(Yao)求(Qiu),(?)避(Bi)雷(Lei)针(Zhen)的(De)接(Jie)口(Kou)的(De)搭(Da)接(Jie)长(Chang)度(Du)不(Bu)得(De)小(Xiao)于(Yu)3cm,(?)这(Zhe)样(Yang)才(Cai)能(Neng)保(Bao)证(Zheng)避(Bi)雷(Lei)针(Zhen)整(Zheng)体(Ti)的(De)稳(Wen)固(Gu)性(Xing)。(?)
3)(?)烟(Yan)囱(Cong)更(Geng)换(Huan)避(Bi)雷(Lei)针(Zhen)的(De)时(Shi)候(Hou),(?)避(Bi)雷(Lei)针(Zhen)通(Tong)常(Chang)是(Shi)选(Xuan)用(Yong)圆(Yuan)钢(Gang)制(Zhi)作(Zuo)而(?)成(Cheng)的(De)产(Chan)品(Pin),(?)同(Tong)时(Shi)因(Yin)为(Wei)烟(Yan)囱(Cong)高(Gao)度(Du)的(De)不(Bu)同(Tong),(?)正(Zheng)常(Chang)要(Yao)求(Qiu)圆(Yuan)钢(Gang)的(De)直(Zhi)径(Jing)大(Da)小(Xiao)不(Bu)得(De)小(Xiao)于(Yu)下(Xia)列(Lie)数(Shu)值(Zhi):(?)
(1)、(?)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)时(Shi)如(Ru)果(Guo)是(Shi)安(An)装(Zhuang)的(De)独(Du)立(Li)避(Bi)雷(Lei)针(Zhen),(?)则(Ze)这(Zhe)种(Zhong)避(Bi)雷(Lei)针(Zhen)的(De)直(Zhi)径(Jing)一(Yi)般(Ban)是(Shi)18mm镀(Du)锌(Xin)圆(Yuan)钢(Gang)。(?)
(2)、(?)如(Ru)果(Guo)是(Shi)安(An)装(Zhuang)在(Zai)屋(Wu)面(Mian)上(Shang)的(De)避(Bi)雷(Lei)针(Zhen),(?)一(Yi)般(Ban)是(Shi)选(Xuan)用(Yong)直(Zhi)径(Jing)18mm镀(Du)锌(Xin)钢(Gang)管(Guan)。(?)
(3)、(?)如(Ru)果(Guo)是(Shi)在(Zai)水(Shui)塔(Ta)顶(Ding)部(Bu)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen),(?)则(Ze)选(Xuan)用(Yong)直(Zhi)径(Jing)为(Wei)18mm或(Huo)30mm的(De)镀(Du)锌(Xin)钢(Gang)管(Guan)。(?)
1、(?)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)的(De)方(Fang)法(Fa):(?)
1) 首(Shou)先(Xian)根(Gen)据(Ju)本(Ben)次(Ci)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)工(Gong)程(Cheng)施(Shi)工(Gong)工(Gong)程(Cheng)的(De)图(Tu)纸(Zhi)要(Yao)求(Qiu),(?)在(Zai)新(Xin)建(Jian)烟(Yan)囱(Cong)之(Zhi)前(Qian)在(Zai)搭(Da)埋(Mai)地(Di)基(Ji)和(He)在(Zai)进(Jin)行(Xing)土(Tu)建(Jian)施(Shi)工(Gong)的(De)时(Shi)候(Hou),(?)就(Jiu)预(Yu)埋(Mai)好(Hao)地(Di)脚(Jiao)螺(Luo)栓(Shuan)等(Deng)。(?)
2) 根(Gen)据(Ju)本(Ben)次(Ci)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)工(Gong)程(Cheng)的(De)要(Yao)求(Qiu),(?)按(An)本(Ben)次(Ci)工(Gong)程(Cheng)设(She)计(Ji)要(Yao)求(Qiu),(?)将(Jiang)避(Bi)雷(Lei)针(Zhen)的(De)材(Cai)料(Liao)按(An)照(Zhao)长(Chang)度(Du)分(Fen)成(Cheng)上(Shang)、(?)中(Zhong)、(?)下(Xia)三(San)节(Jie)进(Jin)行(Xing)下(Xia)料(Liao)。(?)如(Ru)果(Guo)避(Bi)雷(Lei)针(Zhen)的(De)针(Zhen)尖(Jian)采(Cai)用(Yong)钢(Gang)管(Guan)制(Zhi)作(Zuo),(?)则(Ze)需(Xu)要(Yao)先(Xian)将(Jiang)上(Shang)节(Jie)钢(Gang)管(Guan)的(De)某(Mou)一(Yi)个(Ge)尖(Jian)端(Duan)将(Jiang)其(Qi)磨(Mo)成(Cheng)锯(Ju)齿(Chi)形(Xing),(?)用(Yong)手(Shou)锤(Chui)收(Shou)尖(Jian)后(Hou)进(Jin)行(Xing)焊(Han)缝(Feng)磨(Mo)尖(Jian)、(?)涮(Shuan)铝(Lu)等(Deng)作(Zuo)业(Ye),(?)依(Yi)照(Zhao)此(Ci)法(Fa),(?)将(Jiang)避(Bi)雷(Lei)针(Zhen)的(De)中(Zhong)部(Bu)和(He)下(Xia)部(Bu)进(Jin)行(Xing)相(Xiang)应(Ying)地(Di)处(Chu)理(Li)。(?)
2、(?)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)的(De)步(Bu)骤(Zhou):(?)
首(Shou)先(Xian)将(Jiang)避(Bi)雷(Lei)针(Zhen)的(De)支(Zhi)座(Zuo)钢(Gang)板(Ban)固(Gu)定(Ding)在(Zai)之(Zhi)前(Qian)已(Yi)经(Jing)埋(Mai)设(She)好(Hao)的(De)螺(Luo)栓(Shuan)上(Shang),(?)然(Ran)后(Hou)焊(Han)上(Shang)一(Yi)块(Kuai)肋(Lei)板(Ban),(?)然(Ran)后(Hou)将(Jiang)避(Bi)雷(Lei)针(Zhen)竖(Shu)起(Qi),(?)进(Jin)行(Xing)找(Zhao)平(Ping),(?)拉(La)正(Zheng)后(Hou),(?)再(Zai)进(Jin)行(Xing)接(Jie)点(Dian)处(Chu)的(De)焊(Han)接(Jie),(?)*后(Hou)加(Jia)以(Yi)校(Xiao)正(Zheng),(?)将(Jiang)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)完(Wan)全(Quan)固(Gu)定(Ding)好(Hao)。(?)*后(Hou)将(Jiang)避(Bi)雷(Lei)针(Zhen)引(Yin)下(Xia)线(Xian)焊(Han)接(Jie)在(Zai)底(Di)板(Ban)上(Shang),(?)将(Jiang)避(Bi)雷(Lei)针(Zhen)的(De)表(Biao)面(Mian)进(Jin)行(Xing)防(Fang)锈(Xiu)漆(Qi)的(De)涂(Tu)刷(Shua)。(?)
3、(?) 烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)工(Gong)程(Cheng)面(Mian)板(Ban)安(An)装(Zhuang):(?)
1) 角(Jiao)钢(Gang)面(Mian)板(Ban)应(Ying)有(You)燕(Yan)尾(Wei)龙(Long)头(Tou),(?)其(Qi)埋(Mai)注(Zhu)深(Shen)度(Du)不(Bu)小(Xiao)于(Yu)130mm,(?)方(Fang)钢(Gang)和(He)柱(Zhu)钢(Gang)面(Mian)板(Ban)埋(Mai)深(Shen)不(Bu)小(Xiao)于(Yu)90mm。(?) 所(Suo)有(You)面(Mian)板(Ban)必(Bi)须(Xu)牢(Lao)固(Gu),(?)灰(Hui)浆(Jiang)饱(Bao)满(Man),(?)横(Heng)平(Ping)竖(Shu)直(Zhi)。(?)
2) 防(Fang)雷(Lei)装(Zhuang)置(Zhi)的(De)各(Ge)种(Zhong)面(Mian)板(Ban)顶(Ding)部(Bu)一(Yi)般(Ban)应(Ying)距(Ju)建(Jian)筑(Zhu)物(Wu)表(Biao)面(Mian)130mm;(?)接(Jie)地(Di)干(Gan)线(Xian)面(Mian)板(Ban)其(Qi)顶(Ding)部(Bu)应(Ying)距(Ju)墙(Qiang)面(Mian)30mm. 面(Mian)板(Ban)之(Zhi)间(Jian)的(De)水(Shui)平(Ping)间(Jian)距(Ju)不(Bu)大(Da)于(Yu)2m((?)混(Hun)凝(Ning)土(Tu)底(Di)座(Zuo)不(Bu)大(Da)于(Yu)3m)(?);(?)垂(Chui)直(Zhi)间(Jian)距(Ju)不(Bu)大(Da)于(Yu)2.6m 。(?)各(Ge)间(Jian)距(Ju)应(Ying)均(Jun)匀(Yun),(?)允(Yun)许(Xu)偏(Pian)差(Cha)40mm。(?)转(Zhuan)角(Jiao)处(Chu)两(Liang)边(Bian)的(De)面(Mian)板(Ban)距(Ju)转(Zhuan)角(Jiao)中(Zhong)心(Xin)不(Bu)大(Da)于(Yu)310mm。(?)面(Mian)板(Ban)应(Ying)平(Ping)直(Zhi)。(?)水(Shui)平(Ping)度(Du)每(Mei)3m检(Jian)查(Cha)段(Duan)允(Yun)许(Xu)偏(Pian)差(Cha)4/1400,(?)垂(Chui)直(Zhi)度(Du)每(Mei)4m检(Jian)查(Cha)段(Duan)允(Yun)许(Xu)偏(Pian)差(Cha)3/1300;(?)但(Dan)全(Quan)长(Chang)偏(Pian)差(Cha)不(Bu)得(De)大(Da)于(Yu)20mm。(?)
3) 烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)工(Gong)程(Cheng)面(Mian)板(Ban)等(Deng)铁(Tie)件(Jian)均(Jun)应(Ying)做(Zuo)防(Fang)腐(Fu)处(Chu)理(Li)。(?) 埋(Mai)注(Zhu)面(Mian)板(Ban)所(Suo)有(You)的(De)水(Shui)泥(Ni)砂(Sha)浆(Jiang),(?)其(Qi)配(Pei)合(He)比(Bi)不(Bu)应(Ying)低(Di)于(Yu)1:(?)3。(?) 面(Mian)板(Ban)安(An)装(Zhuang)应(Ying)尽(Jin)可(Ke)能(Neng)随(Sui)结(Jie)构(Gou)施(Shi)工(Gong)预(Yu)埋(Mai)面(Mian)板(Ban)或(Huo)铁(Tie)件(Jian)。(?)在(Zai)进(Jin)行(Xing)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)的(De)时(Shi)候(Hou),(?)要(Yao)根(Gen)据(Ju)设(She)计(Ji)要(Yao)求(Qiu)进(Jin)行(Xing)弹(Dan)线(Xian)及(Ji)分(Fen)档(Dang)定(Ding)位(Wei)。(?)用(Yong)手(Shou)锤(Chui)。(?)凿(Zao)子(Zi)进(Jin)行(Xing)挖(Wa)洞(Dong),(?)所(Suo)挖(Wa)的(De)洞(Dong)的(De)大(Da)小(Xiao)要(Yao)里(Li)外(Wai)大(Da)小(Xiao)一(Yi)样(Yang)。(?)
4、(?)烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)工(Gong)程(Cheng)支(Zhi)架(Jia)安(An)装(Zhuang):(?)
1) 首(Shou)先(Xian)将(Jiang)避(Bi)雷(Lei)针(Zhen)上(Shang)的(De)一(Yi)条(Tiao)直(Zhi)线(Xian)上(Shang)的(De)两(Liang)个(Ge)支(Zhi)架(Jia)进(Jin)行(Xing)填(Tian)埋(Mai)固(Gu)定(Ding),(?)然(Ran)后(Hou)用(Yong)铁(Tie)丝(Si)将(Jiang)其(Qi)他(Ta)的(De)面(Mian)板(Ban)和(He)其(Qi)它(Ta)的(De)支(Zhi)架(Jia)全(Quan)部(Bu)恩(En)宠(Chong)。(?)
2)(?)在(Zai)埋(Mai)注(Zhu)前(Qian)应(Ying)先(Xian)把(Ba)洞(Dong)内(Nei)用(Yong)水(Shui)浇(Jiao)湿(Shi),(?)这(Zhe)样(Yang)将(Jiang)有(You)利(Li)于(Yu)进(Jin)行(Xing)避(Bi)雷(Lei)针(Zhen)面(Mian)板(Ban)的(De)固(Gu)定(Ding)施(Shi)工(Gong)。(?)
3)(?)在(Zai)进(Jin)行(Xing)烟(Yan)囱(Cong)更(Geng)换(Huan)避(Bi)雷(Lei)针(Zhen)固(Gu)定(Ding)时(Shi),(?)如(Ru)果(Guo)是(Shi)使(Shi)用(Yong)混(Hun)凝(Ning)土(Tu)支(Zhi)座(Zuo),(?)将(Jiang)混(Hun)凝(Ning)土(Tu)支(Zhi)座(Zuo)分(Fen)档(Dang)摆(Bai)好(Hao)。(?)
4)(?)然(Ran)后(Hou)利(Li)用(Yong)铁(Tie)丝(Si)将(Jiang)其(Qi)拉(La)直(Zhi),(?)将(Jiang)其(Qi)它(Ta)支(Zhi)座(Zuo)用(Yong)砂(Sha)浆(Jiang)找(Zhao)平(Ping)找(Zhao)直(Zhi)。(?) 如(Ru)果(Guo)女(Nu)儿(?)墙(Qiang)预(Yu)留(Liu)有(You)预(Yu)埋(Mai)铁(Tie)件(Jian),(?)可(Ke)将(Jiang)支(Zhi)架(Jia)直(Zhi)接(Jie)焊(Han)要(Yao)铁(Tie)件(Jian)上(Shang),(?)支(Zhi)架(Jia)的(De)找(Zhao)直(Zhi)方(Fang)法(Fa)同(Tong)前(Qian)。(?)
防(Fang)雷(Lei)与(Yu)接(Jie)地(Di)的(De)施(Shi)工(Gong)工(Gong)艺(Yi):(?)
((?)1)(?)概(Gai)述(Shu)
(?) (?)民(Min)用(Yong)建(Jian)筑(Zhu)工(Gong)程(Cheng)防(Fang)雷(Lei)设(She)防(Fang)分(Fen)三(San)级(Ji),(?)屋(Wu)顶(Ding)一(Yi)般(Ban)采(Cai)用(Yong)25×4热(Re)镀(Du)锌(Xin)扁(Bian)钢(Gang)作(Zuo)为(Wei)避(Bi)雷(Lei)带(Dai)沿(Yan)女(Nu)儿(?)墙(Qiang)四(Si)周(Zhou)敷(Fu)设(She),(?)25×4热(Re)镀(Du)锌(Xin)扁(Bian)钢(Gang)避(Bi)雷(Lei)带(Dai)支(Zhi)持(Chi)卡(Ka)子(Zi)间(Jian)距(Ju)为(Wei)1米(Mi)左(Zuo)右(You),(?)但(Dan)必(Bi)须(Xu)一(Yi)致(Zhi),(?)转(Zhuan)角(Jiao)处(Chu)悬(Xuan)空(Kong)段(Duan)不(Bu)大(Da)于(Yu)1米(Mi),(?)避(Bi)雷(Lei)带(Dai)高(Gao)出(Chu)屋(Wu)面(Mian)装(Zhuang)饰(Shi)或(Huo)女(Nu)儿(?)墙(Qiang)0.15米(Mi),(?)同(Tong)时(Shi)屋(Wu)面(Mian)采(Cai)用(Yong)25×4热(Re)镀(Du)锌(Xin)扁(Bian)钢(Gang)组(Zu)成(Cheng)不(Bu)等(Deng)避(Bi)雷(Lei)网(Wang)格(Ge)。(?)避(Bi)雷(Lei)网(Wang)格(Ge)沿(Yan)屋(Wu)面(Mian)敷(Fu)设(She),(?)所(Suo)有(You)高(Gao)出(Chu)屋(Wu)面(Mian)的(De)各(Ge)种(Zhong)金(Jin)属(Shu)构(Gou)件(Jian)均(Jun)需(Xu)与(Yu)避(Bi)雷(Lei)带(Dai)焊(Han)接(Jie)相(Xiang)连(Lian)。(?)
(?) (?)目(Mu)前(Qian),(?)一(Yi)般(Ban)民(Min)用(Yong)建(Jian)筑(Zhu)利(Li)用(Yong)结(Jie)构(Gou)柱(Zhu)内(Nei)或(Huo)剪(Jian)力(Li)墙(Qiang)内(Nei)主(Zhu)钢(Gang)筋(Jin)作(Zuo)为(Wei)引(Yin)下(Xia)线(Xian),(?)钢(Gang)筋(Jin)上(Shang)下(Xia)焊(Han)接(Jie)相(Xiang)连(Lian),(?)直(Zhi)径(Jing)大(Da)于(Yu)16毫(Hao)米(Mi)二(?)根(Gen)为(Wei)一(Yi)组(Zu),(?)柱(Zhu)子(Zi)上(Shang)端(Duan)预(Yu)埋(Mai)100×100×8钢(Gang)板(Ban),(?)用(Yong)于(Yu)柱(Zhu)子(Zi)内(Nei)主(Zhu)钢(Gang)筋(Jin)与(Yu)避(Bi)雷(Lei)带(Dai)连(Lian)接(Jie)的(De)转(Zhuan)换(Huan)。(?)
(?) (?)工(Gong)程(Cheng)接(Jie)地(Di)体(Ti)形(Xing)式(Shi)主(Zhu)要(Yao)有(You)人(Ren)工(Gong)接(Jie)地(Di)体(Ti)和(He)利(Li)用(Yong)基(Ji)础(Chu)作(Zuo)为(Wei)接(Jie)地(Di)体(Ti)的(De)形(Xing)式(Shi)。(?)利(Li)用(Yong)承(Cheng)台(Tai)钢(Gang)筋(Jin)网(Wang)、(?)桩(Zhuang)基(Ji)钢(Gang)筋(Jin)连(Lian)接(Jie)构(Gou)成(Cheng)等(Deng)电(Dian)位(Wei)接(Jie)地(Di)网(Wang)络(Luo),(?)接(Jie)地(Di)电(Dian)阻(Zu)不(Bu)大(Da)于(Yu)1欧(Ou)姆(Mu)。(?)
(?) (?)每(Mei)层(Ceng)建(Jian)筑(Zhu)物(Wu)外(Wai)墙(Qiang)连(Lian)续(Xu)梁(Liang)内(Nei)钢(Gang)筋(Jin)与(Yu)楼(Lou)层(Ceng)钢(Gang)筋(Jin)焊(Han)接(Jie)成(Cheng)一(Yi)体(Ti)形(Xing)成(Cheng)均(Jun)压(Ya)环(Huan),(?)并(Bing)与(Yu)引(Yin)下(Xia)线(Xian)可(Ke)靠(Kao)相(Xiang)连(Lian),(?)外(Wai)墙(Qiang)上(Shang)的(De)金(Jin)属(Shu)门(Men)窗(Chuang)、(?)金(Jin)属(Shu)结(Jie)构(Gou)、(?)外(Wai)墙(Qiang)栏(Lan)杆(Gan)与(Yu)均(Jun)压(Ya)环(Huan)相(Xiang)连(Lian)接(Jie)以(Yi)防(Fang)侧(Ce)击(Ji)雷(Lei)。(?)
(?) (?)近(Jin)几(Ji)年(Nian),(?)等(Deng)电(Dian)位(Wei)联(Lian)结(Jie)要(Yao)求(Qiu)日(Ri)益(Yi)严(Yan)格(Ge),(?)主(Zhu)要(Yao)有(You)总(Zong)等(Deng)电(Dian)位(Wei)联(Lian)结(Jie)、(?)辅(Fu)助(Zhu)等(Deng)电(Dian)位(Wei)联(Lian)结(Jie)、(?)局(Ju)部(Bu)等(Deng)电(Dian)位(Wei)联(Lian)结(Jie)。(?)机(Ji)房(Fang)、(?)卫(Wei)生(Sheng)间(Jian)设(She)备(Bei)、(?)金(Jin)属(Shu)管(Guan)线(Xian)等(Deng)一(Yi)般(Ban)要(Yao)作(Zuo)等(Deng)电(Dian)位(Wei)接(Jie)地(Di)。(?)
(?) (?)((?)2)(?)施(Shi)工(Gong)流(Liu)程(Cheng)
(?) (?)施(Shi)工(Gong)准(Zhun)备(Bei)→接(Jie)地(Di)装(Zhuang)置(Zhi)安(An)装(Zhuang)→引(Yin)下(Xia)线(Xian)安(An)装(Zhuang)→避(Bi)雷(Lei)带(Dai)支(Zhi)架(Jia)制(Zhi)作(Zuo)安(An)装(Zhuang)→避(Bi)雷(Lei)网(Wang)安(An)装(Zhuang)→接(Jie)地(Di)电(Dian)阻(Zu)测(Ce)试(Shi)
(?) (?)((?)3)(?)技(Ji)术(Shu)措(Cuo)施(Shi)
(?) (?)材(Cai)料(Liao)齐(Qi)全(Quan)且(Qie)符(Fu)合(He)设(She)计(Ji)要(Yao)求(Qiu),(?)施(Shi)工(Gong)机(Ji)具(Ju)配(Pei)备(Bei)充(Chong)足(Zu),(?)施(Shi)工(Gong)图(Tu)纸(Zhi)已(Yi)对(Dui)施(Shi)工(Gong)班(Ban)组(Zu)进(Jin)行(Xing)技(Ji)术(Shu)交(Jiao)底(Di)。(?)
(?) (?)((?)4)(?)主(Zhu)要(Yao)施(Shi)工(Gong)方(Fang)法(Fa)
(?) (?)防(Fang)雷(Lei)接(Jie)地(Di)工(Gong)程(Cheng)包(Bao)括(Kuo)接(Jie)地(Di)装(Zhuang)置(Zhi)、(?)防(Fang)雷(Lei)引(Yin)下(Xia)线(Xian)及(Ji)避(Bi)雷(Lei)带(Dai)的(De)安(An)装(Zhuang)。(?)施(Shi)工(Gong)采(Cai)用(Yong)标(Biao)准(Zhun)为(Wei)《(?)电(Dian)气(Qi)装(Zhuang)置(Zhi)安(An)装(Zhuang)工(Gong)程(Cheng)接(Jie)地(Di)装(Zhuang)置(Zhi)施(Shi)工(Gong)及(Ji)验(Yan)收(Shou)规(Gui)范(Fan)》(?)((?)GB50169-92)(?)
(?) (?)1)(?)接(Jie)地(Di)装(Zhuang)置(Zhi):(?)
(?) (?)a.按(An)照(Zhao)设(She)计(Ji)图(Tu)尺(Chi)寸(Cun)位(Wei)置(Zhi)要(Yao)求(Qiu),(?)将(Jiang)底(Di)板(Ban)内(Nei)两(Liang)条(Tiao)结(Jie)构(Gou)主(Zhu)筋(Jin)焊(Han)接(Jie)连(Lian)通(Tong),(?)并(Bing)与(Yu)所(Suo)经(Jing)桩(Zhuang)台(Tai)及(Ji)柱(Zhu)内(Nei)的(De)有(You)关(Guan)钢(Gang)筋(Jin)焊(Han)接(Jie)((?)不(Bu)同(Tong)标(Biao)高(Gao)处(Chu)利(Li)用(Yong)两(Liang)根(Gen)竖(Shu)向(Xiang)结(Jie)构(Gou)上(Shang)下(Xia)贯(Guan)通(Tong))(?),(?)并(Bing)将(Jiang)两(Liang)根(Gen)主(Zhu)筋(Jin)用(Yong)油(You)漆(Qi)做(Zuo)好(Hao)标(Biao)记(Ji),(?)便(Bian)于(Yu)引(Yin)出(Chu)和(He)检(Jian)查(Cha)。(?)
(?) (?)b.所(Suo)有(You)焊(Han)接(Jie)处(Chu)焊(Han)缝(Feng)应(Ying)饱(Bao)满(Man)并(Bing)有(You)足(Zu)够(Gou)的(De)机(Ji)械(Xie)强(Qiang)度(Du),(?)不(Bu)得(De)有(You)夹(Jia)渣(Zha)、(?)咬(Yao)肉(Rou)、(?)裂(Lie)纹(Wen)、(?)虚(Xu)焊(Han)、(?)气(Qi)孔(Kong)等(Deng)缺(Que)陷(Xian),(?)焊(Han)接(Jie)处(Chu)的(De)药(Yao)皮(Pi)敲(Qiao)净(Jing)后(Hou),(?)刷(Shua)沥(Li)青(Qing)作(Zuo)防(Fang)腐(Fu)处(Chu)理(Li),(?)采(Cai)用(Yong)搭(Da)接(Jie)焊(Han)时(Shi),(?)其(Qi)焊(Han)接(Jie)长(Chang)度(Du)要(Yao)求(Qiu)如(Ru)下(Xia):(?)
(?) (?)镀(Du)锌(Xin)扁(Bian)钢(Gang)不(Bu)小(Xiao)于(Yu)其(Qi)宽(Kuan)度(Du)的(De)2倍(Bei),(?)且(Qie)至(Zhi)少(Shao)3个(Ge)棱(Leng)边(Bian)焊(Han)接(Jie)。(?)
(?) (?)镀(Du)锌(Xin)圆(Yuan)钢(Gang)焊(Han)接(Jie)长(Chang)度(Du)为(Wei)其(Qi)直(Zhi)径(Jing)的(De)6倍(Bei),(?)并(Bing)应(Ying)二(?)面(Mian)焊(Han)接(Jie)。(?)
(?) (?)镀(Du)锌(Xin)圆(Yuan)钢(Gang)与(Yu)镀(Du)锌(Xin)扁(Bian)钢(Gang)连(Lian)接(Jie)时(Shi),(?)其(Qi)长(Chang)度(Du)为(Wei)圆(Yuan)钢(Gang)直(Zhi)径(Jing)的(De)6倍(Bei)。(?)
(?) (?)c.每(Mei)一(Yi)处(Chu)施(Shi)工(Gong)完(Wan)毕(Bi)后(Hou),(?)应(Ying)及(Ji)时(Shi)请(Qing)质(Zhi)检(Jian)部(Bu)门(Men)进(Jin)行(Xing)隐(Yin)蔽(Bi)工(Gong)程(Cheng)检(Jian)查(Cha)验(Yan)收(Shou),(?)合(He)格(Ge)后(Hou)方(Fang)能(Neng)隐(Yin)蔽(Bi),(?)同(Tong)时(Shi)做(Zuo)好(Hao)隐(Yin)蔽(Bi)工(Gong)程(Cheng)验(Yan)收(Shou)记(Ji)录(Lu)。(?)
(?) (?)2)(?)引(Yin)下(Xia)线(Xian)安(An)装(Zhuang)
(?) (?)利(Li)用(Yong)建(Jian)筑(Zhu)钢(Gang)筋(Jin)做(Zuo)引(Yin)下(Xia)线(Xian)的(De)情(Qing)况(Kuang),(?)钢(Gang)筋(Jin)截(Jie)面(Mian)一(Yi)定(Ding)要(Yao)满(Man)足(Zu)设(She)计(Ji)要(Yao)求(Qiu)。(?)
(?) (?)钢(Gang)筋(Jin)的(De)连(Lian)接(Jie)要(Yao)满(Man)足(Zu)规(Gui)范(Fan)要(Yao)求(Qiu),(?)如(Ru)建(Jian)筑(Zhu)施(Shi)工(Gong)采(Cai)用(Yong)埋(Mai)弧(Hu)焊(Han)工(Gong)艺(Yi),(?)可(Ke)不(Bu)作(Zuo)处(Chu)理(Li),(?)否(Fou)则(Ze)要(Yao)进(Jin)行(Xing)接(Jie)地(Di)跨(Kua)接(Jie),(?)搭(Da)接(Jie)长(Chang)度(Du)不(Bu)应(Ying)小(Xiao)于(Yu)跨(Kua)接(Jie)钢(Gang)筋(Jin)直(Zhi)径(Jing)的(De)6倍(Bei)。(?)
(?) (?)3)(?)避(Bi)雷(Lei)带(Dai)
(?) (?)本(Ben)工(Gong)程(Cheng)避(Bi)雷(Lei)带(Dai)采(Cai)用(Yong)25×4热(Re)镀(Du)锌(Xin)扁(Bian)钢(Gang)。(?)
(?) (?)a.支(Zhi)架(Jia)安(An)装(Zhuang):(?)
(?) (?)在(Zai)土(Tu)建(Jian)屋(Wu)面(Mian)结(Jie)构(Gou)施(Shi)工(Gong)时(Shi),(?)应(Ying)配(Pei)合(He)予(Yu)埋(Mai)支(Zhi)架(Jia)。(?)所(Suo)有(You)支(Zhi)架(Jia)必(Bi)须(Xu)牢(Lao)固(Gu),(?)灰(Hui)浆(Jiang)饱(Bao)满(Man)、(?)横(Heng)平(Ping)竖(Shu)直(Zhi)。(?)支(Zhi)架(Jia)间(Jian)距(Ju)不(Bu)大(Da)于(Yu)1.5m且(Qie)间(Jian)距(Ju)均(Jun)匀(Yun),(?)允(Yun)许(Xu)偏(Pian)差(Cha)30mm.转(Zhuan)角(Jiao)处(Chu)两(Liang)边(Bian)的(De)支(Zhi)架(Jia)距(Ju)转(Zhuan)角(Jiao)中(Zhong)心(Xin)不(Bu)大(Da)于(Yu)250mm,(?)成(Cheng)排(Pai)支(Zhi)架(Jia)水(Shui)平(Ping)度(Du)每(Mei)2m检(Jian)查(Cha)段(Duan)允(Yun)许(Xu)偏(Pian)差(Cha)3/1000,(?)但(Dan)全(Quan)长(Chang)偏(Pian)差(Cha)不(Bu)得(De)大(Da)于(Yu)10mm.
(?) (?)b.避(Bi)雷(Lei)带(Dai)安(An)装(Zhuang)
(?) (?)将(Jiang)镀(Du)锌(Xin)扁(Bian)钢(Gang)调(Diao)直(Zhi)。(?)
(?) (?)避(Bi)雷(Lei)线(Xian)安(An)装(Zhuang)时(Shi)应(Ying)平(Ping)直(Zhi)、(?)牢(Lao)固(Gu),(?)不(Bu)得(De)有(You)高(Gao)低(Di)起(Qi)伏(Fu)和(He)|来(Lai)源(Yuan)|考(Kao)试(Shi)|大(Da)|弯(Wan)曲(Qu)现(Xian)象(Xiang),(?)距(Ju)离(Li)建(Jian)筑(Zhu)物(Wu)应(Ying)一(Yi)致(Zhi),(?)平(Ping)直(Zhi)度(Du)每(Mei)2m检(Jian)查(Cha)段(Duan)允(Yun)许(Xu)偏(Pian)差(Cha)3/1000,(?)但(Dan)全(Quan)长(Chang)偏(Pian)差(Cha)不(Bu)得(De)大(Da)于(Yu)10mm.
(?) (?)避(Bi)雷(Lei)线(Xian)弯(Wan)曲(Qu)处(Chu)不(Bu)得(De)小(Xiao)于(Yu)90°,(?)弯(Wan)曲(Qu)半(Ban)径(Jing)不(Bu)得(De)小(Xiao)于(Yu)镀(Du)锌(Xin)扁(Bian)铁(Tie)直(Zhi)径(Jing)的(De)2.5倍(Bei)。(?)
(?) (?)在(Zai)建(Jian)筑(Zhu)物(Wu)的(De)变(Bian)形(Xing)缝(Feng)处(Chu)应(Ying)做(Zuo)防(Fang)雷(Lei)跨(Kua)越(Yue)处(Chu)理(Li)。(?)
(?) (?)4)(?)电(Dian)气(Qi)接(Jie)地(Di)施(Shi)工(Gong)方(Fang)法(Fa)
(?) (?)目(Mu)前(Qian),(?)根(Gen)据(Ju)《(?)住(Zhu)宅(Zhai)设(She)计(Ji)规(Gui)范(Fan)》(?)((?)GB50096-1999)(?),(?)接(Jie)地(Di)制(Zhi)主(Zhu)要(Yao)采(Cai)用(Yong)TT、(?)TN-(?)C-(?)S或(Huo)TN-S接(Jie)地(Di)方(Fang)式(Shi),(?)并(Bing)进(Jin)行(Xing)总(Zong)等(Deng)电(Dian)位(Wei)联(Lian)结(Jie)。(?)
(?) (?)a.高(Gao)/低(Di)压(Ya)变(Bian)配(Pei)电(Dian)房(Fang)设(She)备(Bei)的(De)接(Jie)地(Di)系(Xi)统(Tong),(?)在(Zai)房(Fang)间(Jian)内(Nei)周(Zhou)围(Wei)设(She)置(Zhi)一(Yi)条(Tiao)距(Ju)地(Di)面(Mian)300mm的(De)水(Shui)平(Ping)接(Jie)地(Di)环(Huan)型(Xing)带(Dai)规(Gui)格(Ge)应(Ying)按(An)照(Zhao)设(She)计(Ji)要(Yao)求(Qiu)。(?)
(?) (?)b.开(Kai)关(Guan)柜(Gui)、(?)配(Pei)电(Dian)屏(Ping)((?)箱(Xiang))(?)、(?)电(Dian)力(Li)变(Bian)压(Ya)器(Qi)及(Ji)各(Ge)种(Zhong)用(Yong)电(Dian)设(She)备(Bei)、(?)因(Yin)绝(Jue)缘(Yuan)破(Po)损(Sun)而(?)可(Ke)能(Neng)带(Dai)电(Dian)的(De)金(Jin)属(Shu)外(Wai)壳(Ke)、(?)电(Dian)气(Qi)用(Yong)的(De)独(Du)立(Li)安(An)装(Zhuang)的(De)金(Jin)属(Shu)支(Zhi)架(Jia)及(Ji)传(Chuan)动(Dong)机(Ji)构(Gou)、(?)插(Cha)座(Zuo)的(De)接(Jie)地(Di)孔(Kong),(?)均(Jun)应(Ying)以(Yi)专(Zhuan)用(Yong)接(Jie)地(Di)((?)PE线(Xian))(?)支(Zhi)线(Xian)可(Ke)靠(Kao)相(Xiang)连(Lian),(?)PE线(Xian)应(Ying)与(Yu)接(Jie)地(Di)装(Zhuang)置(Zhi)连(Lian)通(Tong)并(Bing)作(Zuo)重(Zhong)复(Fu)接(Jie)地(Di)。(?)
c.当(Dang)保(Bao)护(Hu)线(Xian)((?)PE线(Xian))(?)所(Suo)用(Yong)材(Cai)质(Zhi)与(Yu)相(Xiang)线(Xian)相(Xiang)同(Tong)时(Shi),(?)PE线(Xian)*小(Xiao)截(Jie)面(Mian)应(Ying)符(Fu)合(He)下(Xia)表(Biao)要(Yao)求(Qiu),(?)当(Dang)PE线(Xian)采(Cai)用(Yong)单(Dan)芯(Xin)绝(Jue)缘(Yuan)导(Dao)线(Xian)时(Shi),(?)按(An)机(Ji)械(Xie)强(Qiang)度(Du)要(Yao)求(Qiu),(?)截(Jie)面(Mian)不(Bu)应(Ying)小(Xiao)于(Yu):(?)有(You)机(Ji)械(Xie)性(Xing)的(De)保(Bao)护(Hu)时(Shi)为(Wei)2.5mm2,(?)无(Wu)机(Ji)械(Xie)性(Xing)保(Bao)护(Hu)时(Shi)为(Wei)4mm2.
PE线(Xian)*小(Xiao)截(Jie)面(Mian)一(Yi)览(Lan)表(Biao)
相(Xiang)线(Xian)芯(Xin)线(Xian)截(Jie)面(Mian)S((?)mm2)(?) PE线(Xian)*小(Xiao)截(Jie)面(Mian)S((?)mm2)(?)
S≤16 S
16≤S≤35 16
S>35 S/2
(?) (?)d.所(Suo)有(You)外(Wai)露(Lu)的(De)接(Jie)地(Di)点(Dian)、(?)测(Ce)试(Shi)点(Dian),(?)均(Jun)应(Ying)涂(Tu)红(Hong)色(Se)油(You)漆(Qi)并(Bing)有(You)标(Biao)志(Zhi)牌(Pai)写(Xie)明(Ming)用(Yong)途(Tu)。(?)
(?) (?)e.火(Huo)灾(Zai)自(Zi)动(Dong)报(Bao)警(Jing)系(Xi)统(Tong),(?)楼(Lou)宇(Yu)设(She)备(Bei)自(Zi)动(Dong)监(Jian)控(Kong)系(Xi)统(Tong)((?)BMS)(?)及(Ji)其(Qi)他(Ta)弱(Ruo)电(Dian)设(She)备(Bei)机(Ji)房(Fang)采(Cai)用(Yong)专(Zhuan)用(Yong)接(Jie)地(Di)线(Xian),(?)由(You)接(Jie)地(Di)装(Zhuang)置(Zhi)引(Yin)入(Ru)控(Kong)制(Zhi)室(Shi)。(?)
(?) (?)5)(?)接(Jie)地(Di)电(Dian)阻(Zu)测(Ce)试(Shi)
(?) (?)接(Jie)地(Di)电(Dian)阻(Zu)测(Ce)试(Shi)仪(Yi)型(Xing)号(Hao)采(Cai)用(Yong)ZC29B-2,(?)仪(Yi)表(Biao)必(Bi)须(Xu)经(Jing)专(Zhuan)业(Ye)|来(Lai)源(Yuan)|考(Kao)试(Shi)|大(Da)|计(Ji)量(Liang)。(?)在(Zai)测(Ce)试(Shi)前(Qian),(?)先(Xian)将(Jiang)检(Jian)流(Liu)计(Ji)的(De)指(Zhi)针(Zhen)调(Diao)零(Ling),(?)再(Zai)将(Jiang)倍(Bei)率(Lu)标(Biao)准(Zhun)杆(Gan)置(Zhi)于(Yu)倍(Bei)数(Shu),(?)慢(Man)摇(Yao),(?)同(Tong)时(Shi)调(Diao)整(Zheng)测(Ce)量(Liang)标(Biao)度(Du)盘(Pan),(?)使(Shi)检(Jian)流(Liu)计(Ji)为(Wei)零(Ling)。(?)加(Jia)速(Su)摇(Yao)到(Dao)120r/min左(Zuo)右(You),(?)再(Zai)调(Diao)到(Dao)平(Ping)衡(Heng)后(Hou),(?)读(Du)标(Biao)度(Du)盘(Pan)的(De)刻(Ke)度(Du),(?)乘(Cheng)倍(Bei)率(Lu)就(Jiu)得(De)所(Suo)测(Ce)的(De)电(Dian)阻(Zu)值(Zhi)。(?)注(Zhu)意(Yi)电(Dian)流(Liu)探(Tan)针(Zhen)的(De)接(Jie)线(Xian)长(Chang)度(Du)为(Wei)40m,(?)电(Dian)位(Wei)探(Tan)测(Ce)的(De)接(Jie)线(Xian)长(Chang)度(Du)为(Wei)20m.。(?)
烟(Yan)囱(Cong)安(An)装(Zhuang)避(Bi)雷(Lei)针(Zhen)-技(Ji)术(Shu)资(Zi)讯(Xun)