自2009年(nian)开始研(yan)发5D系列佳密(mi)克丝®（Dramix®）钢(gang)(gang)纤(xian)维产品(pin)以来，贝卡(ka)尔特(te)已经在欧(ou)美市场(chang)完(wan)成了约50万(wan)平米的(de)5D系列佳密(mi)克丝®（Dramix®）钢(gang)(gang)纤(xian)维桩(zhuang)承地坪(ping)项目，其(qi)中包(bao)括日产、乐购、奔驰(chi)等(deng)(deng)企(qi)业(ye)的(de)地坪(ping)项目。2015年(nian)年(nian)底，在中国(guo)相当(dang)有规模(mo)的(de)某(mou)零售连锁企(qi)业(ye)中山物流配送中心(xin)完(wan)成的(de)5D佳密(mi)克丝®（Dramix®）钢(gang)(gang)纤(xian)维混凝土桩(zhuang)承地坪(ping)项目建筑(zhu)面积约两万(wan)平米，用一个月时(shi)间即(ji)完(wan)成了施(shi)工，比传(chuan)统钢(gang)(gang)筋方案缩(suo)短了约30%的(de)施(shi)工时(shi)间。钢(gang)(gang)纤(xian)维转(zhuan)换梁保(bao)养时(shi)避免接触风、太阳、雨水等(deng)(deng)，应对施(shi)工梁体进行挡风、防雨等(deng)(deng)封闭处理。江苏钢(gang)(gang)纤(xian)维地坪(ping)厚度规范要求(qiu)

钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)地(di)(di)(di)坪(ping)施工(gong)中应该注意的(de)(de)事项一、钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)地(di)(di)(di)坪(ping)分(fen)格缝(feng)(feng)1.对(dui)于大面(mian)(mian)积钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)地(di)(di)(di)坪(ping)施工(gong)，分(fen)格缝(feng)(feng)设置间距可以(yi)适当(dang)加大，比较大可达12m，远(yuan)远(yuan)高于普通(tong)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)地(di)(di)(di)坪(ping)。2.混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)地(di)(di)(di)坪(ping)分(fen)格缝(feng)(feng)接缝(feng)(feng)时，对(dui)于先施工(gong)板块接缝(feng)(feng)处应用(yong)切(qie)割机将混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)侧面(mian)(mian)切(qie)割整(zheng)齐，保(bao)证分(fen)格缝(feng)(feng)接缝(feng)(feng)材料(liao)紧贴混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)面(mian)(mian)，从而确(que)保(bao)分(fen)格缝(feng)(feng)顺(shun)直。二(er)、钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)地(di)(di)(di)坪(ping)抹(mo)(mo)(mo)面(mian)(mian)钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)地(di)(di)(di)坪(ping)抹(mo)(mo)(mo)面(mian)(mian)时，不管是采用(yong)机械还是人(ren)工(gong)抹(mo)(mo)(mo)面(mian)(mian)，都要对(dui)少量露(lu)在(zai)外面(mian)(mian)的(de)(de)钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)进行处理(li)，否则将影响(xiang)地(di)(di)(di)坪(ping)美观和使用(yong)。通(tong)常是将面(mian)(mian)上1cm以(yi)内水平的(de)(de)钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)剔(ti)除，竖向的(de)(de)钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)将其端部弯(wan)入(ru)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)中。上海钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)地(di)(di)(di)坪(ping)有什么好(hao)处钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)的(de)(de)抗剪性较高 即使钢(gang)(gang)纤(xian)(xian)(xian)维(wei)(wei)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)土(tu)(tu)的(de)(de)基体发生变化，但是它的(de)(de)荷载能力是不会变的(de)(de)。

钢(gang)(gang)(gang)(gang)纤(xian)(xian)(xian)(xian)维是指(zhi)以切断细钢(gang)(gang)(gang)(gang)丝法、冷(leng)轧钢(gang)(gang)(gang)(gang)带剪切、钢(gang)(gang)(gang)(gang)锭铣(xian)削或(huo)钢(gang)(gang)(gang)(gang)水快(kuai)速(su)冷(leng)凝(ning)法制(zhi)(zhi)成长径(jing)比(bi)（纤(xian)(xian)(xian)(xian)维长度与其直径(jing)的(de)(de)(de)(de)比(bi)值，当(dang)纤(xian)(xian)(xian)(xian)维截面(mian)为非圆形(xing)时(shi)，采用(yong)换算等(deng)效截面(mian)圆面(mian)积的(de)(de)(de)(de)直径(jing)）为40～80的(de)(de)(de)(de)纤(xian)(xian)(xian)(xian)维。不(bu)同的(de)(de)(de)(de)制(zhi)(zhi)取(qu)方(fang)式产(chan)出的(de)(de)(de)(de)钢(gang)(gang)(gang)(gang)纤(xian)(xian)(xian)(xian)维性能也不(bu)一样。虽然钢(gang)(gang)(gang)(gang)纤(xian)(xian)(xian)(xian)维问(wen)世不(bu)久(jiu)，但(dan)应用(yong)已(yi)经越来越广(guang)，种类也越来越多(duo)。就(jiu)目前占(zhan)市场(chang)份额较高，比(bi)较有(you)竞争(zheng)力品牌钢(gang)(gang)(gang)(gang)纤(xian)(xian)(xian)(xian)维如：西卡、佳密(mi)克(ke)丝均(jun)采用(yong)切断细钢(gang)(gang)(gang)(gang)丝法。2钢(gang)(gang)(gang)(gang)纤(xian)(xian)(xian)(xian)维混(hun)(hun)凝(ning)土(tu)是在普通混(hun)(hun)凝(ning)土(tu)中掺入乱向分布的(de)(de)(de)(de)短钢(gang)(gang)(gang)(gang)纤(xian)(xian)(xian)(xian)维所形(xing)成的(de)(de)(de)(de)一种新型的(de)(de)(de)(de)多(duo)相复合材料。这些(xie)乱向分布的(de)(de)(de)(de)钢(gang)(gang)(gang)(gang)纤(xian)(xian)(xian)(xian)维能够(gou)有(you)效地(di)阻(zu)碍混(hun)(hun)凝(ning)土(tu)内部(bu)微裂(lie)缝(feng)的(de)(de)(de)(de)扩展及(ji)宏(hong)观裂(lie)缝(feng)的(de)(de)(de)(de)形(xing)成，改善了混(hun)(hun)凝(ning)土(tu)的(de)(de)(de)(de)抗(kang)拉、抗(kang)弯、抗(kang)冲击及(ji)抗(kang)疲劳性能，具有(you)较好(hao)的(de)(de)(de)(de)延(yan)性。

钢(gang)纤(xian)维(wei)(wei)地(di)(di)坪(ping)优势佳(jia)(jia)(jia)密克丝（Dramix®）钢(gang)纤(xian)维(wei)(wei)对混(hun)(hun)凝土(tu)增强作用巨(ju)大(da)。钢(gang)纤(xian)维(wei)(wei)由水(shui)溶性(xing)胶粘结成(cheng)排(pai)，经过二次分(fen)散(san)避免了混(hun)(hun)凝土(tu)结团(tuan)，从而使佳(jia)(jia)(jia)密克丝（Dramix®）钢(gang)纤(xian)维(wei)(wei)均匀的分(fen)布(bu)于混(hun)(hun)凝土(tu)中，确保(bao)加(jia)固(gu)面面俱到，没(mei)有死角。佳(jia)(jia)(jia)密克丝（Dramix®）的高长(zhang)径(jing)比确保(bao)纤(xian)维(wei)(wei)在(zai)混(hun)(hun)凝土(tu)中形成(cheng)密集(ji)且(qie)均匀的增强网络。钢(gang)纤(xian)维(wei)(wei)适用于任何类型(xing)的地(di)(di)坪(ping)所(suo)有的混(hun)(hun)凝土(tu)地(di)(di)坪(ping)都(dou)是一个独特的工程，如无缝(feng)(feng)地(di)(di)坪(ping)，切(qie)缝(feng)(feng)地(di)(di)坪(ping)，桩承地(di)(di)坪(ping)，轻荷载地(di)(di)坪(ping)，防渗(shen)地(di)(di)坪(ping)等等。所(suo)有这些地(di)(di)坪(ping)都(dou)可(ke)以用佳(jia)(jia)(jia)密克丝（Dramix®）钢(gang)纤(xian)维(wei)(wei)来加(jia)固(gu)。我们专业的工程师会(hui)帮(bang)您选择合适的纤(xian)维(wei)(wei)型(xing)号及合适的掺量。在(zai)通常的纤(xian)维(wei)(wei)掺量下，冲击抗压(ya)韧性(xing)可(ke)提(ti)高2～7倍，冲击抗弯、抗拉等韧性(xing)可(ke)提(ti)高几倍到几十倍。

1)钢(gang)纤(xian)维(wei)(wei)混凝土的(de)(de)(de)抗(kang)压强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度、抗(kang)折(zhe)强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度和(he)劈拉强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度均(jun)随钢(gang)纤(xian)维(wei)(wei)体(ti)积(ji)(ji)掺量(liang)(liang)的(de)(de)(de)增加而增加,当(dang)钢(gang)纤(xian)维(wei)(wei)体(ti)积(ji)(ji)掺量(liang)(liang)较低时,强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度增长(zhang)幅度一般(ban)不大,尤其抗(kang)压强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度。2)钢(gang)纤(xian)维(wei)(wei)混凝土的(de)(de)(de)抗(kang)压强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度、抗(kang)折(zhe)强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度和(he)劈拉强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度均(jun)随养(yang)护龄(ling)期的(de)(de)(de)增长(zhang)而增长(zhang)。当(dang)钢(gang)纤(xian)维(wei)(wei)体(ti)积(ji)(ji)掺量(liang)(liang)为1.2%时,1d的(de)(de)(de)抗(kang)压强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度、抗(kang)折(zhe)强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度和(he)劈拉强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度已分(fen)别达28d强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度的(de)(de)(de)73.9%、90.9%和(he)91.2%,充分(fen)体(ti)现(xian)了该种钢(gang)纤(xian)维(wei)(wei)混凝土早强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)的(de)(de)(de)优(you)良特性,非常适(shi)(shi)宜用于机场道面(mian)(mian)裂缝快(kuai)速(su)修补。3)为了既满(man)足强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度要求又经济适(shi)(shi)用,建议选用0.8%～1.2%体(ti)积(ji)(ji)掺量(liang)(liang)的(de)(de)(de)钢(gang)纤(xian)维(wei)(wei)混凝土。4)抗(kang)压强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度与抗(kang)折(zhe)强(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度有(you)很(hen)好的(de)(de)(de)相关性,可根据本试验(yan)回归方程式(shi)进行换算,或(huo)直接(jie)参照表7。5)经现(xian)场试验(yan),实际效(xiao)果较好。钢(gang)纤(xian)维(wei)(wei)混凝土地(di)(di)坪抹面(mian)(mian)时，不管是采(cai)用机械还是人工抹面(mian)(mian)，否则将影响地(di)(di)坪美观(guan)和(he)使用。上海钢(gang)纤(xian)维(wei)(wei)地(di)(di)坪有(you)什么好处

钢纤维混凝土硬化剂(ji)地(di)坪(ping)(ping)在大面积施工时，关(guan)键应(ying)防止地(di)坪(ping)(ping)表面开(kai)裂及控制(zhi)好平(ping)整(zheng)度(du)。江苏钢纤维地(di)坪(ping)(ping)厚度(du)规范要求(qiu)

1.钢纤维混(hun)(hun)凝(ning)(ning)(ning)土的收(shou)(shou)光(guang)(1)混(hun)(hun)凝(ning)(ning)(ning)土浇筑振(zhen)捣(dao)后，静置4h左右达到(dao)初凝(ning)(ning)(ning)状态(tai)，可(ke)脚踩(cai)表(biao)面(mian)(mian)脚印下沉约(yue)5mm时即(ji)可(ke)。(2)使用(yong)(yong)(yong)机械进(jin)(jin)(jin)行原浆(jiang)收(shou)(shou)光(guang)压实(shi)，用(yong)(yong)(yong)抹(mo)光(guang)机粗抹(mo)压2遍(bian)进(jin)(jin)(jin)行原浆(jiang)收(shou)(shou)光(guang)压实(shi)。(3)采(cai)用(yong)(yong)(yong)抹(mo)光(guang)机反复多次抹(mo)光(guang)压实(shi)，待混(hun)(hun)凝(ning)(ning)(ning)土表(biao)面(mian)(mian)无水分(fen)后，再进(jin)(jin)(jin)行下一(yi)遍(bian)收(shou)(shou)光(guang)。(4)若遇局部凹凸不平(ping)(ping)整，应(ying)(ying)立即(ji)人工(gong)补(bu)浆(jiang)抹(mo)平(ping)(ping)，再进(jin)(jin)(jin)行机械收(shou)(shou)光(guang)抹(mo)压。(5)混(hun)(hun)凝(ning)(ning)(ning)土收(shou)(shou)面(mian)(mian)应(ying)(ying)提出原浆(jiang)后结(jie)束，且收(shou)(shou)面(mian)(mian)工(gong)作应(ying)(ying)控制在混(hun)(hun)凝(ning)(ning)(ning)土初凝(ning)(ning)(ning)后不久完成。(6)复核混(hun)(hun)凝(ning)(ning)(ning)土表(biao)面(mian)(mian)平(ping)(ping)整度(du)(du)，用(yong)(yong)(yong)2m靠尺进(jin)(jin)(jin)行检查，以保证(zheng)面(mian)(mian)层(ceng)(ceng)的平(ping)(ping)整度(du)(du)，不满足规(gui)范(fan)要求的地方，需用(yong)(yong)(yong)人工(gong)修补(bu)抹(mo)平(ping)(ping)。2.地坪(ping)面(mian)(mian)层(ceng)(ceng)硬化剂混(hun)(hun)凝(ning)(ning)(ning)士表(biao)面(mian)(mian)收(shou)(shou)光(guang)后，设(she)专人涂刷面(mian)(mian)层(ceng)(ceng)硬化剂，需横竖涂刷2遍(bian)，边角(jiao)需特殊(shu)处(chu)理。江苏钢纤维地坪(ping)厚度(du)(du)规(gui)范(fan)要求

本文来自海润达物联科技有限责任(ren)公司：//qfd1mz.cn/Article/95e07099834.html