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string(24) "避雷针扎入喉咙中" ["inlink"] => int(0) ["addtime"] => string(10) "1600481566" ["tagid"] => int(1519864) ["id"] => string(7) "1519864" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503962638909458) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/1519864" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1519864" } [8] => array(11) { ["tagname"] => string(18) "避雷针多少钱" ["inlink"] => int(0) ["addtime"] => string(10) "1594371892" ["tagid"] => int(541597) ["id"] => string(6) "541597" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503928943968264) ["pageurl"] => string(35) "//www.sheji456.com/ask/tlist/541597" ["m_pageurl"] => string(33) "//m.sheji456.com/ask/tlist/541597" } [9] => array(11) { ["tagname"] => string(30) "装修拉结筋可以弄断吗" ["inlink"] => int(0) ["addtime"] => string(10) "1606814382" ["tagid"] => int(6147877) ["id"] => string(7) "6147877" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703504119406264339) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/6147877" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/6147877" } [10] => array(11) { ["tagname"] => string(25) "装修是箍筋弄断3根" ["inlink"] => int(0) ["addtime"] => string(10) "1606814382" ["tagid"] => int(6190582) ["id"] => string(7) "6190582" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703504121683771405) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/6190582" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/6190582" } [11] => array(11) { ["tagname"] => string(24) "上海装修光纤弄断" ["inlink"] => int(0) ["addtime"] => string(10) "1603354402" ["tagid"] => int(2637599) ["id"] => string(7) "2637599" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703504001421541408) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/2637599" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/2637599" } [12] => array(11) { ["tagname"] => string(33) "可能因为装修弄断光纤么" ["inlink"] => int(0) ["addtime"] => string(10) "1604110716" ["tagid"] => int(4061952) ["id"] => string(7) "4061952" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703504050111119396) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/4061952" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/4061952" } [13] => array(11) { ["tagname"] => string(27) "装修里断了避雷针线" ["inlink"] => int(0) ["addtime"] => string(10) "1606727864" ["tagid"] => int(6062334) ["id"] => string(7) "6062334" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703504116854030346) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/6062334" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/6062334" } [14] => array(11) { ["tagname"] => string(21) 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装修弄断避雷针钢筋

装修弄断避雷针钢筋

浏览：38次 | 提问时间： 08-04 11:14

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6个答案

眼睛是我最美的地方 08-04 11:15

1 、大型建筑的防雷接地系统应由内部防雷接地装置和外部防雷接地装置组成，内部防雷接地装置包括：笼式避雷网、专用接地装置，外部防雷装置包括：接地网(自然接地体)、引下线、避雷带、均压环。2、利用基础底板水平钢筋搭接成接地网，与槽边四周的钢筋连接形成闭合环路，组成自然接地体。这样做具有：经济、实用、可降低接地电阻、均衡电位的特点，在防雷接地系统的设计、施工中应充分利用自然接地体，尽量不设置人工接地极。3、高层建筑引下线的数量影响雷电流分流效果，设计引下线之间的间距请见表2。本人认为高层建筑的接地电阻阻值符合设计要求时，可不设置断接卡子。因为引下线暗敷在现浇混凝土内不易氧化，可延长引下线的使用寿命。尤其是公共设施(如大厦、饭馆等)外装修较为豪华，不设置断接卡子可减去对外装修面的影响，提高外装修的质量。4、除烟囱、水塔等特殊用途的建筑物外，尽量不设置避雷针，减少产生电位差的内部因素。可将屋面上的各种金属管道与避雷带连接，构成建筑物的等电位体。5、随着计算机、通讯、控制技术的发展，对防雷接地系统提出了更高的要求，保证建筑物内的各种设备的正常工作。因为这些微*设备具有精确度高、灵敏度强的特点，同时易受因雷电流所造成的电磁干扰。因此对机房的设计、施工应采取笼式避雷网，对外界的电磁干扰可起到屏蔽作用。在结构设计时应保证机房的顶板、底板、墙体内钢筋网格大小一致。

伴你到老 08-04 11:23

(当然,40x40x4以上镀锌角钢,也可打一组三桩人工接地极.5米长在房子的最高处用膨胀螺丝将不小于10mm镀锌圆钢固定在墙上(明敷支起150mm，这样的避雷带符合规范,接地装置也要合格,暗敷在抹面层内)，用16平方的多股铜芯线或12mm镀锌圆钢或25x4镀锌扁钢做引下线.8m,可利用基础钢筋:2,顶埋深0

阳光下的苞米虫 08-04 11:32

避雷针钢筋是普通钢材质。按*标准《建筑物防雷设计规范》，可以将建筑物的钢筋作为防雷装置，但应符合一系列规定，主要有：1、建筑物宜利用钢筋混凝土屋面、梁、柱、基础内的钢筋作为引下线。2、当基础采用硅*盐水泥和周围土壤的含水量不低于4%及基础的外表面无防腐层或有沥青质的防腐层时，宜利用基础内的钢筋作为接地装置。3、敷设在混凝土中作为防雷装置的钢筋或圆钢，当仅一根时，其直径不应小于10mm。被利用作为防雷装置的混凝土构件内有箍筋连接的钢筋，其截面积总和不应小于一根直径为10mm钢筋的截面积。4、利用基础内钢筋网作为接地体时，在周围地面以下距地面不小于0.5m，每根引下线所连接的钢筋表面积总和应符合规范的要求。5、当在建筑物周边的无钢筋的闭合条形混凝±基础内敷设人工基础接地体时，接地体的规格尺寸应符合规范的规定。6、构件内有箍筋连接的钢筋或成网状的钢筋，其箍筋与钢筋的连接，钢筋与钢筋的连接应采用土建施工的绑扎法连接或悍接。单根钢筋或圆钢或外引预埋连接板、线与上述钢筋的连接应焊接或采用螺栓紧固的卡夹器连接。构件之间必须连接成电气通路。

没那么复杂 08-04 11:40

做基础时，安装接地极：结构施工时利用结构内钢筋（或专用型钢）做引下线，与接地极连接，并预留与避雷带的连接点；装修完成的同时，敷设避雷带（或避雷针）。避雷针，又名防雷针，是用来保护建筑物、高大树木等避免雷击的装置。在被保护物顶端安装一根接闪器，用符合规格导线与埋在地下的泄流地网连接起来。避雷针规格必须符合GB标准，每一个防雷类别需要的避雷针高度规格都不一样。

转身说再见 08-04 11:48

安装接地极做基础时：结构施工时利用结构内钢筋（或专用型钢）做引下线，与接地极连接，敷设避雷带（或避雷针），并预留与避雷带的连接点；装修完成的同时

吃货是家里的宝 08-04 11:56

避雷用的钢筋不会经过窗户附近，用脚趾头都可以想得到的啦

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