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南寧攀華C型鋼批發

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南寧攀華C型鋼批發

2019-12-12
南寧攀華C型鋼批發

要看整(zheng)個(ge)(ge)樓(lou)板(ban)(ban)的(de)(de)厚度來(lai)考(kao)慮挑選是用(yong)(yong)75波高(gao)(gao)系(xi)列的(de)(de)仍是51波高(gao)(gao)系(xi)列的(de)(de),沉默有(you)40系(xi)列,46系(xi)列,60系(xi)列,65波高(gao)(gao)系(xi)列。一般來(lai)說波高(gao)(gao)越低(di),承載力就(jiu)越低(di),然(ran)后就(jiu)是波峰距(ju)離越大,承載力就(jiu)越小,假如(ru)整(zheng)個(ge)(ge)樓(lou)板(ban)(ban)厚度在10公分(fen)以內(nei),好(hao)選用(yong)(yong)選用(yong)(yong)波高(gao)(gao)40系(xi)列,整(zheng)個(ge)(ge)樓(lou)板(ban)(ban)厚度在10-13公分(fen)以內(nei),好(hao)選用(yong)(yong)50波高(gao)(gao)系(xi)列,在13公分(fen)以上(shang),好(hao)選用(yong)(yong)75系(xi)列。有(you)些人會問,為什么(me)呀?其實《我國鋼(gang)(gang)(gang)筋混凝土修建規(gui)范(fan)》里(li)有(you)個(ge)(ge)要求,鋼(gang)(gang)(gang)筋上(shang)面的(de)(de)混泥(ni)土保(bao)護層(ceng)不能低(di)于2.5cm,就(jiu)是說樓(lou)承板(ban)(ban)自身的(de)(de)波高(gao)(gao)+鋼(gang)(gang)(gang)筋網(wang)的(de)(de)厚度(一般2cm)+2.5cm的(de)(de)保(bao)護層(ceng)≤樓(lou)板(ban)(ban)的(de)(de)厚度。

南寧攀華C型鋼批發

樓(lou)承板(ban)(ban)的(de)(de)(de)使用(yong)(yong)是需要安(an)裝的(de)(de)(de),那么如果要安(an)裝就要選(xuan)(xuan)(xuan)擇合(he)適的(de)(de)(de)小配件,焊后栓(shuan)(shuan)(shuan)釘(ding)(ding)高度大于(yu)壓型鋼(gang)(gang)(gang)板(ban)(ban)波高30MM(留(liu)意挑(tiao)選(xuan)(xuan)(xuan)樓(lou)板(ban)(ban)的(de)(de)(de)類型);栓(shuan)(shuan)(shuan)釘(ding)(ding)頂面混(hun)凝(ning)土(tu)(tu)保護層不小于(yu)15MM(留(liu)意樓(lou)板(ban)(ban)總厚(hou)度)直徑不宜(yi)大于(yu)19MM。樓(lou)承板(ban)(ban)栓(shuan)(shuan)(shuan)釘(ding)(ding)類型有ф8、ф10、ф13、ф16、ф19、ф22、ф25,栓(shuan)(shuan)(shuan)釘(ding)(ding)一般(ban)在(zai)鋼(gang)(gang)(gang)結構(gou)修(xiu)建中,遍及使用(yong)(yong)在(zai)柱(zhu)腳和樓(lou)板(ban)(ban)中,一般(ban)剛度要求高的(de)(de)(de)柱(zhu)腳都選(xuan)(xuan)(xuan)用(yong)(yong)鋼(gang)(gang)(gang)柱(zhu)內(nei)伸至(zhi)混(hun)凝(ning)土(tu)(tu)中,鋼(gang)(gang)(gang)柱(zhu)埋入混(hun)凝(ning)土(tu)(tu)的(de)(de)(de)部位四周均(jun)布栓(shuan)(shuan)(shuan)釘(ding)(ding)。樓(lou)承板(ban)(ban)輕鋼(gang)(gang)(gang)結構(gou)常用(yong)(yong)厚(hou)度為0.8mm,1.0mm,1.2mm,荷載較(jiao)大的(de)(de)(de)情況(kuang)下會用(yong)(yong)到1.5mm。一般(ban)需要用(yong)(yong)栓(shuan)(shuan)(shuan)釘(ding)(ding)與(yu)鋼(gang)(gang)(gang)梁銜(xian)接,板(ban)(ban)中配少量鋼(gang)(gang)(gang)筋(jin),上面澆混(hun)凝(ning)土(tu)(tu)層,總厚(hou)度約在(zai)100-200mm之間。

南寧攀華C型鋼批發

鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)是(shi)為(wei)防止鋼(gang)板(ban)(ban)(ban)(ban)表(biao)(biao)面(mian)遭受(shou)腐蝕,延長(chang)其(qi)使(shi)用(yong)壽命(ming),在(zai)鋼(gang)板(ban)(ban)(ban)(ban)表(biao)(biao)面(mian)涂(tu)(tu)以(yi)一層金(jin)屬鋅(xin)(xin)(xin),這種涂(tu)(tu)鋅(xin)(xin)(xin)的(de)(de)(de)(de)(de)薄鋼(gang)板(ban)(ban)(ban)(ban)稱為(wei)鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)。鋼(gang)板(ban)(ban)(ban)(ban)也是(shi)用(yong)熱浸(jin)法(fa)制(zhi)造,但(dan)(dan)在(zai)出槽(cao)后,立即(ji)(ji)把它加熱到500℃左右(you),使(shi)其(qi)生(sheng)(sheng)成(cheng)(cheng)(cheng)鋅(xin)(xin)(xin)和(he)鐵的(de)(de)(de)(de)(de)合(he)金(jin)被(bei)(bei)膜。這種鍍(du)(du)鋅(xin)(xin)(xin)卷具有良好(hao)的(de)(de)(de)(de)(de)涂(tu)(tu)料的(de)(de)(de)(de)(de)密著性(xing)和(he)焊接性(xing)。合(he)金(jin)化(hua)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。這種鋼(gang)板(ban)(ban)(ban)(ban)也是(shi)用(yong)熱浸(jin)法(fa)制(zhi)造,但(dan)(dan)在(zai)出槽(cao)后,立即(ji)(ji)把它加熱到500℃左右(you),使(shi)其(qi)生(sheng)(sheng)成(cheng)(cheng)(cheng)鋅(xin)(xin)(xin)和(he)鐵的(de)(de)(de)(de)(de)合(he)金(jin)被(bei)(bei)膜。這種鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)具有良好(hao)的(de)(de)(de)(de)(de)涂(tu)(tu)料的(de)(de)(de)(de)(de)密著性(xing)和(he)焊接性(xing)。熱浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。將薄鋼(gang)板(ban)(ban)(ban)(ban)浸(jin)入熔(rong)解(jie)的(de)(de)(de)(de)(de)鋅(xin)(xin)(xin)槽(cao)中(zhong),使(shi)其(qi)表(biao)(biao)面(mian)粘附一層鋅(xin)(xin)(xin)的(de)(de)(de)(de)(de)薄鋼(gang)板(ban)(ban)(ban)(ban)。目前(qian)主要采(cai)用(yong)連續(xu)鍍(du)(du)鋅(xin)(xin)(xin)工(gong)藝生(sheng)(sheng)產(chan),即(ji)(ji)把成(cheng)(cheng)(cheng)卷的(de)(de)(de)(de)(de)鋼(gang)板(ban)(ban)(ban)(ban)連續(xu)浸(jin)在(zai)熔(rong)解(jie)有鋅(xin)(xin)(xin)的(de)(de)(de)(de)(de)鍍(du)(du)槽(cao)中(zhong)制(zhi)成(cheng)(cheng)(cheng)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。合(he)金(jin)、復合(he)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。它是(shi)用(yong)鋅(xin)(xin)(xin)和(he)其(qi)他金(jin)屬如(ru)鉛(qian)、鋅(xin)(xin)(xin)制(zhi)成(cheng)(cheng)(cheng)合(he)金(jin)乃至復合(he)鍍(du)(du)成(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)鋼(gang)板(ban)(ban)(ban)(ban)。這種鋼(gang)板(ban)(ban)(ban)(ban)既具有防銹性(xing)能(neng),又有良好(hao)的(de)(de)(de)(de)(de)涂(tu)(tu)裝性(xing)能(neng)。

南寧攀華C型鋼批發

樓(lou)承(cheng)板能(neng)夠滿足快速施(shi)工(gong)的(de)需(xu)求,可(ke)(ke)以(yi)在短時間內搭(da)建起牢(lao)固(gu)的(de)作業平(ping)臺,而且還(huan)能(neng)把多個(ge)樓(lou)承(cheng)板層(ceng)鋪設壓型鋼板,分層(ceng)澆筑混(hun)凝(ning)土板的(de)流水(shui)施(shi)工(gong)作業。可(ke)(ke)以(yi)作為(wei)(wei)混(hun)凝(ning)土樓(lou)板的(de)受拉鋼筋(jin)(jin),可(ke)(ke)以(yi)使樓(lou)板的(de)剛度增強,而且使得(de)鋼筋(jin)(jin)和(he)混(hun)凝(ning)土的(de)用量明(ming)顯減少。壓型板表面壓紋使樓(lou)承(cheng)板與混(hun)凝(ning)土之間產生大的(de)結(jie)合力,使二者(zhe)形成(cheng)整(zheng)體,再配合上加勁肋,使得(de)有高強承(cheng)載(zai)力。還(huan)可(ke)(ke)以(yi)作為(wei)(wei)性(xing)模板,懸挑(tiao)(tiao)的(de)長(chang)度可(ke)(ke)根據樓(lou)承(cheng)板的(de)截面特性(xing)來定。為(wei)(wei)了防(fang)(fang)止(zhi)懸挑(tiao)(tiao)板的(de)開(kai)裂(lie),需(xu)在支座(zuo)處(chu)依結(jie)構工(gong)程師的(de)設計配上負筋(jin)(jin)。而且都是經過固(gu)定滅火系統(tong)及耐(nai)火構件質量檢測中心的(de)耐(nai)火檢測,具有防(fang)(fang)火的(de)特性(xing)。

南寧攀華C型鋼批發

南寧C型鋼重慶樓承板的鍍鋅量沒有一個具體的標準,制作壓型鋼板的冷軋鋼卷須連續熱浸鍍鋅(或鍍鋁鋅),鍍(鋁)鋅量視設計要求而定。C型鋼批發樓承(cheng)板(ban)用壓型鋼(gang)(gang)板(ban)宜選擇熱(re)(re)浸鍍(du)(du)鋅鋼(gang)(gang)板(ban)。不允(yun)許使用電(dian)鍍(du)(du)鋅鋼(gang)(gang)板(ban),電(dian)鍍(du)(du)鋅鋼(gang)(gang)板(ban)僅在(zai)基材表面(mian)形成保護(hu)層,防(fang)(fang)腐(fu)(fu)能力有限。目前(qian)市場上有鍍(du)(du)鋅鋼(gang)(gang)板(ban)(鍍(du)(du)層含鋁5%或55%),在(zai)酸性(xing)環(huan)境(jing)下(xia)(xia)的防(fang)(fang)腐(fu)(fu)效果由于熱(re)(re)浸鍍(du)(du)鋅鋼(gang)(gang)板(ban),但(dan)在(zai)混(hun)凝土的堿性(xing)條件下(xia)(xia),鍍(du)(du)鋁鋅的防(fang)(fang)腐(fu)(fu)蝕性(xing)能低(di)于熱(re)(re)浸鍍(du)(du)鋅鋼(gang)(gang)板(ban),且鋁會和混(hun)凝土發生(sheng)反(fan)應,并降低(di)混(hun)凝土與(yu)鋼(gang)(gang)板(ban)的粘結性(xing)能。因此參考國(guo)外規范,及國(guo)內外工程,行家壓型鋼(gang)(gang)板(ban)不建議使用鍍(du)(du)鋁鋅鋼(gang)(gang)板(ban)。

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