自2009年(nian)開(kai)始(shi)研發5D系(xi)列佳密克(ke)絲(si)(si)®（Dramix®）鋼(gang)纖維(wei)(wei)(wei)產品以來，貝卡爾特已經在歐美市場完成(cheng)了(le)約50萬平米的(de)5D系(xi)列佳密克(ke)絲(si)(si)®（Dramix®）鋼(gang)纖維(wei)(wei)(wei)樁承地坪(ping)(ping)項(xiang)目(mu)，其中包括日產、樂購、奔(ben)馳等企業的(de)地坪(ping)(ping)項(xiang)目(mu)。2015年(nian)年(nian)底，在中國相(xiang)當有規模(mo)的(de)某(mou)零(ling)售連(lian)鎖企業中山(shan)物流配送(song)中心完成(cheng)的(de)5D佳密克(ke)絲(si)(si)®（Dramix®）鋼(gang)纖維(wei)(wei)(wei)混凝(ning)土樁承地坪(ping)(ping)項(xiang)目(mu)建筑(zhu)面積約兩萬平米，用一個月時間即完成(cheng)了(le)施工(gong)，比傳統鋼(gang)筋(jin)方案縮短了(le)約30%的(de)施工(gong)時間。鋼(gang)纖維(wei)(wei)(wei)轉換梁保(bao)養時避免(mian)接(jie)觸風、太(tai)陽、雨(yu)水(shui)等，應對(dui)施工(gong)梁體進行擋風、防雨(yu)等封閉(bi)處理。江蘇鋼(gang)纖維(wei)(wei)(wei)地坪(ping)(ping)厚度(du)規范要求(qiu)

鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)混(hun)(hun)凝(ning)土(tu)地坪(ping)(ping)施(shi)工中(zhong)應該注意(yi)的事項(xiang)一、鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)混(hun)(hun)凝(ning)土(tu)地坪(ping)(ping)分格(ge)縫(feng)1.對(dui)(dui)于(yu)大(da)面(mian)積(ji)鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)混(hun)(hun)凝(ning)土(tu)地坪(ping)(ping)施(shi)工，分格(ge)縫(feng)設置間距可(ke)以(yi)適當加大(da)，比較大(da)可(ke)達(da)12m，遠(yuan)遠(yuan)高(gao)于(yu)普(pu)通混(hun)(hun)凝(ning)土(tu)地坪(ping)(ping)。2.混(hun)(hun)凝(ning)土(tu)地坪(ping)(ping)分格(ge)縫(feng)接縫(feng)時，對(dui)(dui)于(yu)先施(shi)工板(ban)塊(kuai)接縫(feng)處應用切割機將(jiang)混(hun)(hun)凝(ning)土(tu)側(ce)面(mian)切割整齊，保(bao)證分格(ge)縫(feng)接縫(feng)材料緊貼(tie)混(hun)(hun)凝(ning)土(tu)面(mian)，從而(er)確保(bao)分格(ge)縫(feng)順直。二、鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)混(hun)(hun)凝(ning)土(tu)地坪(ping)(ping)抹(mo)面(mian)鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)混(hun)(hun)凝(ning)土(tu)地坪(ping)(ping)抹(mo)面(mian)時，不(bu)管是采用機械還是人(ren)工抹(mo)面(mian)，都要對(dui)(dui)少量露在外面(mian)的鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)進(jin)行處理，否則將(jiang)影響(xiang)地坪(ping)(ping)美觀和使用。通常(chang)是將(jiang)面(mian)上(shang)1cm以(yi)內水平的鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)剔除，豎(shu)向的鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)將(jiang)其端部彎(wan)入混(hun)(hun)凝(ning)土(tu)中(zhong)。上(shang)海鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)地坪(ping)(ping)有什么(me)好(hao)處鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)混(hun)(hun)凝(ning)土(tu)的抗剪性較高(gao) 即使鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)(wei)混(hun)(hun)凝(ning)土(tu)的基體發生變化，但(dan)是它的荷載能(neng)力是不(bu)會變的。

鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)是(shi)指以切斷細鋼(gang)(gang)絲法(fa)(fa)、冷軋鋼(gang)(gang)帶(dai)剪切、鋼(gang)(gang)錠銑(xian)削或鋼(gang)(gang)水(shui)快速(su)冷凝(ning)法(fa)(fa)制成長徑比(bi)（纖(xian)(xian)維(wei)(wei)長度(du)與其(qi)直徑的(de)(de)比(bi)值(zhi)，當纖(xian)(xian)維(wei)(wei)截面(mian)為(wei)非圓(yuan)形(xing)時(shi)，采(cai)用(yong)換算等效(xiao)截面(mian)圓(yuan)面(mian)積的(de)(de)直徑）為(wei)40～80的(de)(de)纖(xian)(xian)維(wei)(wei)。不同的(de)(de)制取方(fang)式產出的(de)(de)鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)性能(neng)也不一(yi)樣。雖然(ran)鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)問世(shi)不久，但應用(yong)已經越(yue)(yue)來越(yue)(yue)廣，種(zhong)類也越(yue)(yue)來越(yue)(yue)多(duo)。就目前占市場(chang)份額(e)較高，比(bi)較有(you)競爭(zheng)力品牌鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)如(ru)：西卡、佳密克絲均采(cai)用(yong)切斷細鋼(gang)(gang)絲法(fa)(fa)。2鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)混凝(ning)土(tu)(tu)是(shi)在普(pu)通混凝(ning)土(tu)(tu)中摻入(ru)亂(luan)向分布的(de)(de)短鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)所形(xing)成的(de)(de)一(yi)種(zhong)新型的(de)(de)多(duo)相復(fu)合材料。這些亂(luan)向分布的(de)(de)鋼(gang)(gang)纖(xian)(xian)維(wei)(wei)能(neng)夠有(you)效(xiao)地阻礙混凝(ning)土(tu)(tu)內部(bu)微裂縫的(de)(de)擴展(zhan)及宏觀(guan)裂縫的(de)(de)形(xing)成，改善了混凝(ning)土(tu)(tu)的(de)(de)抗(kang)拉、抗(kang)彎、抗(kang)沖擊及抗(kang)疲勞性能(neng)，具有(you)較好的(de)(de)延性。

鋼纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)地(di)(di)(di)坪(ping)(ping)(ping)優勢(shi)佳(jia)密(mi)克絲(si)（Dramix®）鋼纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)對混(hun)(hun)凝土(tu)增(zeng)強作用巨(ju)大。鋼纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)由水溶性(xing)膠粘結(jie)(jie)成排，經過二次(ci)分散避(bi)免(mian)了混(hun)(hun)凝土(tu)結(jie)(jie)團(tuan)，從而(er)使佳(jia)密(mi)克絲(si)（Dramix®）鋼纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)均勻的分布于混(hun)(hun)凝土(tu)中，確保(bao)加固(gu)面(mian)面(mian)俱到，沒有死角。佳(jia)密(mi)克絲(si)（Dramix®）的高長徑比確保(bao)纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)在(zai)混(hun)(hun)凝土(tu)中形成密(mi)集且均勻的增(zeng)強網絡。鋼纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)適用于任何類型(xing)的地(di)(di)(di)坪(ping)(ping)(ping)所有的混(hun)(hun)凝土(tu)地(di)(di)(di)坪(ping)(ping)(ping)都是一個獨特的工程，如無縫(feng)地(di)(di)(di)坪(ping)(ping)(ping)，切縫(feng)地(di)(di)(di)坪(ping)(ping)(ping)，樁承(cheng)地(di)(di)(di)坪(ping)(ping)(ping)，輕荷載地(di)(di)(di)坪(ping)(ping)(ping)，防滲地(di)(di)(di)坪(ping)(ping)(ping)等(deng)等(deng)。所有這(zhe)些地(di)(di)(di)坪(ping)(ping)(ping)都可以用佳(jia)密(mi)克絲(si)（Dramix®）鋼纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)來加固(gu)。我們(men)專業(ye)的工程師會幫(bang)您選(xuan)擇合(he)適的纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)型(xing)號及合(he)適的摻量。在(zai)通(tong)常的纖(xian)(xian)(xian)(xian)維(wei)(wei)(wei)摻量下(xia)，沖(chong)擊抗(kang)壓韌性(xing)可提高2～7倍，沖(chong)擊抗(kang)彎、抗(kang)拉等(deng)韌性(xing)可提高幾倍到幾十倍。

1)鋼纖(xian)維(wei)(wei)(wei)混(hun)凝(ning)土的(de)(de)抗壓(ya)強(qiang)度(du)(du)(du)(du)(du)、抗折強(qiang)度(du)(du)(du)(du)(du)和(he)(he)劈(pi)拉(la)強(qiang)度(du)(du)(du)(du)(du)均(jun)隨(sui)鋼纖(xian)維(wei)(wei)(wei)體(ti)積摻量(liang)的(de)(de)增(zeng)(zeng)加(jia)而(er)增(zeng)(zeng)加(jia),當(dang)鋼纖(xian)維(wei)(wei)(wei)體(ti)積摻量(liang)較低(di)時,強(qiang)度(du)(du)(du)(du)(du)增(zeng)(zeng)長(chang)幅(fu)度(du)(du)(du)(du)(du)一般不大,尤其抗壓(ya)強(qiang)度(du)(du)(du)(du)(du)。2)鋼纖(xian)維(wei)(wei)(wei)混(hun)凝(ning)土的(de)(de)抗壓(ya)強(qiang)度(du)(du)(du)(du)(du)、抗折強(qiang)度(du)(du)(du)(du)(du)和(he)(he)劈(pi)拉(la)強(qiang)度(du)(du)(du)(du)(du)均(jun)隨(sui)養(yang)護(hu)齡(ling)期的(de)(de)增(zeng)(zeng)長(chang)而(er)增(zeng)(zeng)長(chang)。當(dang)鋼纖(xian)維(wei)(wei)(wei)體(ti)積摻量(liang)為(wei)1.2%時,1d的(de)(de)抗壓(ya)強(qiang)度(du)(du)(du)(du)(du)、抗折強(qiang)度(du)(du)(du)(du)(du)和(he)(he)劈(pi)拉(la)強(qiang)度(du)(du)(du)(du)(du)已分(fen)別(bie)達(da)28d強(qiang)度(du)(du)(du)(du)(du)的(de)(de)73.9%、90.9%和(he)(he)91.2%,充分(fen)體(ti)現了該(gai)種鋼纖(xian)維(wei)(wei)(wei)混(hun)凝(ning)土早強(qiang)的(de)(de)優良特性,非常適宜用于機場道面(mian)裂縫快(kuai)速(su)修(xiu)補。3)為(wei)了既滿足強(qiang)度(du)(du)(du)(du)(du)要求又經濟適用,建議選用0.8%～1.2%體(ti)積摻量(liang)的(de)(de)鋼纖(xian)維(wei)(wei)(wei)混(hun)凝(ning)土。4)抗壓(ya)強(qiang)度(du)(du)(du)(du)(du)與(yu)抗折強(qiang)度(du)(du)(du)(du)(du)有很(hen)好(hao)的(de)(de)相關性,可根據本試驗(yan)回歸方程式(shi)進行換算,或(huo)直接(jie)參照表7。5)經現場試驗(yan),實(shi)際效果較好(hao)。鋼纖(xian)維(wei)(wei)(wei)混(hun)凝(ning)土地(di)坪抹面(mian)時，不管是(shi)采用機械(xie)還是(shi)人工抹面(mian)，否則將影響地(di)坪美觀和(he)(he)使用。上(shang)海鋼纖(xian)維(wei)(wei)(wei)地(di)坪有什么(me)好(hao)處

鋼(gang)纖維混凝土硬化劑地(di)坪在大面積(ji)施工時，關鍵應防止(zhi)地(di)坪表面開裂及控制好(hao)平整度。江(jiang)蘇鋼(gang)纖維地(di)坪厚度規范要(yao)求

1.鋼纖維混(hun)(hun)凝(ning)(ning)(ning)土(tu)的收(shou)(shou)光(guang)(1)混(hun)(hun)凝(ning)(ning)(ning)土(tu)澆筑振搗后(hou)，靜置4h左右達到初(chu)凝(ning)(ning)(ning)狀態，可(ke)腳踩(cai)表面(mian)(mian)(mian)腳印下沉約5mm時即可(ke)。(2)使用(yong)機(ji)械進(jin)行(xing)(xing)原漿(jiang)收(shou)(shou)光(guang)壓(ya)(ya)實，用(yong)抹(mo)(mo)光(guang)機(ji)粗抹(mo)(mo)壓(ya)(ya)2遍進(jin)行(xing)(xing)原漿(jiang)收(shou)(shou)光(guang)壓(ya)(ya)實。(3)采用(yong)抹(mo)(mo)光(guang)機(ji)反復多次抹(mo)(mo)光(guang)壓(ya)(ya)實，待混(hun)(hun)凝(ning)(ning)(ning)土(tu)表面(mian)(mian)(mian)無(wu)水分后(hou)，再進(jin)行(xing)(xing)下一(yi)遍收(shou)(shou)光(guang)。(4)若(ruo)遇局部凹(ao)凸不平(ping)(ping)整，應立即人工(gong)補漿(jiang)抹(mo)(mo)平(ping)(ping)，再進(jin)行(xing)(xing)機(ji)械收(shou)(shou)光(guang)抹(mo)(mo)壓(ya)(ya)。(5)混(hun)(hun)凝(ning)(ning)(ning)土(tu)收(shou)(shou)面(mian)(mian)(mian)應提(ti)出原漿(jiang)后(hou)結束，且收(shou)(shou)面(mian)(mian)(mian)工(gong)作應控制在混(hun)(hun)凝(ning)(ning)(ning)土(tu)初(chu)凝(ning)(ning)(ning)后(hou)不久(jiu)完成。(6)復核混(hun)(hun)凝(ning)(ning)(ning)土(tu)表面(mian)(mian)(mian)平(ping)(ping)整度，用(yong)2m靠(kao)尺(chi)進(jin)行(xing)(xing)檢查，以保證面(mian)(mian)(mian)層的平(ping)(ping)整度，不滿足規范要求(qiu)的地(di)(di)(di)方，需用(yong)人工(gong)修補抹(mo)(mo)平(ping)(ping)。2.地(di)(di)(di)坪面(mian)(mian)(mian)層硬(ying)化(hua)劑(ji)混(hun)(hun)凝(ning)(ning)(ning)士(shi)表面(mian)(mian)(mian)收(shou)(shou)光(guang)后(hou)，設專人涂(tu)刷面(mian)(mian)(mian)層硬(ying)化(hua)劑(ji)，需橫豎涂(tu)刷2遍，邊角需特殊處理(li)。江(jiang)蘇鋼纖維地(di)(di)(di)坪厚度規范要求(qiu)

本文來自四川精碳偉業(ye)環保科技有(you)限責任公司：//wasul.cn/Article/17c9299890.html