珠海冷軋板重慶樓承板分兩種。一種是把樓承板當做承受拉力的鋼筋計算的，另外一種是僅把樓承板作為模板計算而不參與受力的。做模板計算的比較簡單，直接按照跨度頂就行了。2米以下選0.8的，2-3米的選1.0的。冷軋板價格樓承板(ban)作為受力鋼(gang)筋(jin)計算，就按照模板(ban)的選用樓承板(ban)（或(huo)者加(jia)厚且只能加(jia)厚），然后在(zai)計算配筋(jin)的時(shi)候可以按照面積減(jian)少鋼(gang)筋(jin)用量。樓承板(ban)不能單獨計算的，它(ta)和整個樓板(ban)是一個體系的。

鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)是(shi)為(wei)防止鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)表面遭受腐蝕(shi)，延(yan)長其使(shi)(shi)用(yong)壽命，在鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)表面涂(tu)以(yi)一(yi)層(ceng)金屬(shu)鋅(xin)(xin)(xin)(xin)，這種(zhong)(zhong)涂(tu)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)(de)薄鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)稱為(wei)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)。鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)也是(shi)用(yong)熱(re)浸(jin)法(fa)制造，但在出槽(cao)后，立即把它(ta)(ta)加熱(re)到500℃左右，使(shi)(shi)其生成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)(de)(de)(de)合金被膜。這種(zhong)(zhong)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)卷具有良(liang)好(hao)的(de)(de)(de)(de)涂(tu)料(liao)的(de)(de)(de)(de)密著性(xing)(xing)和(he)焊(han)接(jie)性(xing)(xing)。合金化鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)(zhong)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)也是(shi)用(yong)熱(re)浸(jin)法(fa)制造，但在出槽(cao)后，立即把它(ta)(ta)加熱(re)到500℃左右，使(shi)(shi)其生成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)(de)(de)(de)合金被膜。這種(zhong)(zhong)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)具有良(liang)好(hao)的(de)(de)(de)(de)涂(tu)料(liao)的(de)(de)(de)(de)密著性(xing)(xing)和(he)焊(han)接(jie)性(xing)(xing)。熱(re)浸(jin)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。將薄鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)浸(jin)入熔解(jie)的(de)(de)(de)(de)鋅(xin)(xin)(xin)(xin)槽(cao)中，使(shi)(shi)其表面粘附一(yi)層(ceng)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)(de)薄鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。目前主要采用(yong)連(lian)續鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)工藝生產(chan)，即把成(cheng)卷的(de)(de)(de)(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)連(lian)續浸(jin)在熔解(jie)有鋅(xin)(xin)(xin)(xin)的(de)(de)(de)(de)鍍(du)(du)(du)(du)槽(cao)中制成(cheng)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。合金、復合鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。它(ta)(ta)是(shi)用(yong)鋅(xin)(xin)(xin)(xin)和(he)其他金屬(shu)如鉛、鋅(xin)(xin)(xin)(xin)制成(cheng)合金乃至復合鍍(du)(du)(du)(du)成(cheng)的(de)(de)(de)(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)(zhong)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)既(ji)具有防銹性(xing)(xing)能(neng)，又(you)有良(liang)好(hao)的(de)(de)(de)(de)涂(tu)裝性(xing)(xing)能(neng)。

堆積樓(lou)(lou)(lou)承板(ban)(ban)的(de)地坪(ping)應(ying)(ying)基(ji)本平坦，鋼(gang)筋(jin)桁架樓(lou)(lou)(lou)承板(ban)(ban)堆積不宜過高，每(mei)堆不超越60張。樓(lou)(lou)(lou)承板(ban)(ban)運至(zhi)(zhi)現(xian)場(chang)，需(xu)妥(tuo)善(shan)保護，不得有(you)任(ren)何(he)損壞和(he)污(wu)染，特別不得感染油污(wu)。樓(lou)(lou)(lou)承板(ban)(ban)應(ying)(ying)根據排(pai)版(ban)圖預先切開、編號。起吊(diao)前，每(mei)捆要有(you)兩條鋼(gang)絲繩(sheng)，分別捆于兩頭四分之(zhi)一鋼(gang)板(ban)(ban)長度處，采用(yong)專用(yong)吊(diao)具吊(diao)起。應(ying)(ying)先行試吊(diao)，檢查重心是(shi)(shi)否穩(wen)定，鋼(gang)索是(shi)(shi)否會滑動，待牢(lao)靠(kao)，無慮時方可吊(diao)起。起吊(diao)時，應(ying)(ying)從下往上樓(lou)(lou)(lou)層(ceng)(ceng)次序吊(diao)料為原則，避免(mian)因(yin)先行吊(diao)放上層(ceng)(ceng)資(zi)料后，阻止下面樓(lou)(lou)(lou)層(ceng)(ceng)的(de)吊(diao)放作業。整(zheng)疊樓(lou)(lou)(lou)承板(ban)(ban)放梁(liang)面時，應(ying)(ying)考慮梁(liang)的(de)承載能力(li)，避免(mian)因(yin)集中載荷過大，造成(cheng)梁(liang)的(de)變形。樓(lou)(lou)(lou)承板(ban)(ban)吊(diao)至(zhi)(zhi)樓(lou)(lou)(lou)層(ceng)(ceng)，暫時不鋪設時，應(ying)(ying)作牢(lao)靠(kao)固定，避免(mian)飛落(luo)和(he)滑落(luo)傷(shang)人。

重(zhong)慶鍍(du)(du)鋅(xin)(xin)卷主(zhu)要有(you)：脫落、劃傷、鈍化斑、鋅(xin)(xin)粒(li)、厚邊、氣刀條痕、氣刀刮痕、露(lu)鋼(gang)、夾(jia)雜、機(ji)械損傷、鋼(gang)基性(xing)能不(bu)良(liang)、浪邊、瓢曲、尺寸不(bu)合(he)、壓印、鋅(xin)(xin)層厚度不(bu)合(he)、輥印等。鋅(xin)(xin)層脫落的(de)(de)主(zhu)要原因有(you)：表(biao)面氧(yang)化、有(you)硅化合(he)物、冷扎(zha)乳化液(ye)太(tai)臟(zang)、NOF段氧(yang)化氣氛及保護氣體(ti)露(lu)點(dian)太(tai)高、空(kong)燃比不(bu)合(he)理、氫氣流量(liang)偏(pian)低(di)(di)(di)、爐(lu)子(zi)有(you)氧(yang)滲入，帶鋼(gang)入鍋(guo)溫(wen)度偏(pian)低(di)(di)(di)，RWP段爐(lu)壓偏(pian)低(di)(di)(di)及爐(lu)門吸風(feng)、NOF段爐(lu)溫(wen)偏(pian)低(di)(di)(di)，油脂蒸發不(bu)盡、鋅(xin)(xin)鍋(guo)鋁含量(liang)偏(pian)低(di)(di)(di)、機(ji)組速度太(tai)快、還(huan)原不(bu)充分、鋅(xin)(xin)液(ye)中停留時間太(tai)短(duan)、鍍(du)(du)層偏(pian)厚。白(bai)(bai)銹和黑斑產(chan)(chan)生的(de)(de)原因有(you)：黑斑是白(bai)(bai)銹進一步氧(yang)化形(xing)成的(de)(de)鍍(du)(du)鋅(xin)(xin)板的(de)(de)特點(dian)與用途(tu)。鍍(du)(du)鋅(xin)(xin)卷板是以熱(re)軋(ya)鋼(gang)帶或冷軋(ya)鋼(gang)帶為基板，經過連(lian)續熱(re)浸鍍(du)(du)鋅(xin)(xin)工(gong)藝而生產(chan)(chan)出(chu)來(lai)的(de)(de)， 產(chan)(chan)品(pin)具有(you)耐腐蝕強、 表(biao)面質量(liang)好、有(you)利于(yu)深加工(gong)、經濟(ji)實(shi)用等特點(dian)。