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鋁模與木模的對比

2024-04-02 11:03:38



以(yi)高層舉例(27層樓(lou)座(zuo)-裝配式工(gong)藝樓(lou)座(zuo),一(yi)般頂層及首二層不使用鋁(lv)模工(gong)藝,統一(yi)按(an)標準層進(jin)行測(ce)算)


(1)工期方面

鋁(lv)模(mo)(mo)首拼(pin)為(wei)(wei)(wei)(wei)10天(tian)(tian)(tian)(tian)(tian)(tian)左(zuo)(zuo)(zuo)右(you)(you),標準層(ceng)(ceng)工(gong)(gong)期(qi)(qi)為(wei)(wei)(wei)(wei)4-5天(tian)(tian)(tian)(tian)(tian)(tian)/層(ceng)(ceng),頂層(ceng)(ceng)為(wei)(wei)(wei)(wei)10天(tian)(tian)(tian)(tian)(tian)(tian)左(zuo)(zuo)(zuo)右(you)(you),使(shi)用鋁(lv)模(mo)(mo)一棟(dong)高層(ceng)(ceng)的(de)整體工(gong)(gong)期(qi)(qi)為(wei)(wei)(wei)(wei)116天(tian)(tian)(tian)(tian)(tian)(tian)-140天(tian)(tian)(tian)(tian)(tian)(tian)左(zuo)(zuo)(zuo)右(you)(you);使(shi)用木模(mo)(mo)首拼(pin)為(wei)(wei)(wei)(wei)12-15天(tian)(tian)(tian)(tian)(tian)(tian)左(zuo)(zuo)(zuo)右(you)(you),標準層(ceng)(ceng)工(gong)(gong)期(qi)(qi)為(wei)(wei)(wei)(wei)7-8天(tian)(tian)(tian)(tian)(tian)(tian)/層(ceng)(ceng),頂層(ceng)(ceng)為(wei)(wei)(wei)(wei)12-15天(tian)(tian)(tian)(tian)(tian)(tian)左(zuo)(zuo)(zuo)右(you)(you),使(shi)用木模(mo)(mo)一棟(dong)高層(ceng)(ceng)的(de)整體工(gong)(gong)期(qi)(qi)為(wei)(wei)(wei)(wei)194-222天(tian)(tian)(tian)(tian)(tian)(tian)左(zuo)(zuo)(zuo)右(you)(you),工(gong)(gong)期(qi)(qi)優勢鋁(lv)模(mo)(mo)相對節省(sheng)工(gong)(gong)期(qi)(qi)。


(2)質量方面

鋁模(mo)觀感及施(shi)工(gong)質量(liang)大大優于(yu)木(mu)模(mo)。


① 傳(chuan)統的木(mu)(mu)模偏差值在10毫米以上(shang),易(yi)變形,均采(cai)用扣件(jian)、鋼(gang)管定位校模,垂直度采(cai)用錘坨(tuo),偏差達(da)到1CM,尤(you)其(qi)是外圍柱,木(mu)(mu)模加固點多面廣(guang),且容易(yi)“跑模”,需要有技術水平純(chun)木(mu)(mu)模工人;


② 由于木模制(zhi)作(zuo)不精細,使用(yong)次數達(da)到3次以上(shang)因接縫有水(shui)(shui)泥、砂粒(li)等(deng)情況,經常需要校正處理,吸水(shui)(shui)后易發生變形(xing)和(he)膨脹,精 確度無法達(da)到,至少超出15mm的偏差;


③ 在制作方面,陰陽角鋁(lv)模是一塊成型的90度角模,由電腦制圖加工,機械生產極(ji)為標(biao)準,組裝(zhuang)精(jing)度高,開(kai)間尺寸都不(bu)(bu)會(hui)超出(chu)5mm,而木模制作則達不(bu)(bu)到;


④ 相比較之(zhi)下,鋁模(mo)的構件(jian)尺寸偏差值均在毫米之(zhi)間(jian),鋁模(mo)柱的根部定(ding)位(wei)采(cai)用焊接固(gu)定(ding),垂直(zhi)度(du)采(cai)用激光儀器,精 確到(dao)了5mm之(zhi)內,其上下層交界處有一塊(kuai)混凝土(tu)固(gu)定(ding)的共(gong)用模(mo)塊(kuai),不(bu)易(yi)錯臺;而木模(mo)在澆(jiao)筑過(guo)程中,若加固(gu)不(bu)到(dao)位(wei)易(yi)“跑模(mo)”,導致錯臺。


(3)成本方面

全部使用(yong)(yong)鋁模(mo)(mo)(mo),費(fei)(fei)用(yong)(yong)考慮(lv)材(cai)(cai)料(liao)費(fei)(fei)18.85元(yuan)/m2,人工(gong)費(fei)(fei)37元(yuan)/m2,輔材(cai)(cai)費(fei)(fei)6元(yuan)/m2;按一層展(zhan)(zhan)開面(mian)積為(wei)640m2考慮(lv)(鋁模(mo)(mo)(mo)展(zhan)(zhan)開面(mian)積考慮(lv):因鋁模(mo)(mo)(mo)工(gong)藝特殊性(xing),可一次性(xing)帶出(chu)二(er)次結構(gou),需增加鋁模(mo)(mo)(mo)蓋板(ban)工(gong)程量),且(qie)鋁模(mo)(mo)(mo)一次性(xing)帶出(chu),因此(ci)二(er)次結構(gou)混凝土標(biao)號(hao)均會隨主體(ti)結構(gou)進行考慮(lv),鋁模(mo)(mo)(mo)費(fei)(fei)用(yong)(yong)為(wei)640*(18.85+37+6)*24=95萬元(yuan);


全部使用(yong)木模(mo)(mo)(因使用(yong)免抹(mo)灰體(ti)系),因此費用(yong)考慮材料費19元/m2,人工費+輔(fu)材費55元/m2,按一(yi)層展開面積(ji)為(wei)600m2考慮,木模(mo)(mo)費用(yong)為(wei)600*(19+55)*24=106.56萬元。(某地產要(yao)求(qiu)混凝(ning)土(tu)墻(qiang)面為(wei)免抹(mo)灰體(ti)系,因此木模(mo)(mo)及鋁模(mo)(mo)的抹(mo)灰費用(yong)均(jun)不計取差值)。


另外由于工期節(jie)約,從而對于塔吊(本項目(mu)塔吊每月(yue)租(zu)賃(lin)(lin)費(fei)及他人工費(fei)4.6萬元)、施工電梯(每月(yue)租(zu)賃(lin)(lin)費(fei)及人工費(fei)2.2萬元)、腳(jiao)手架租(zu)賃(lin)(lin)時間(jian)及管理(li)成本等方面均會有節(jie)約。


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