
2025-10-23 12:40:36
隨著建(jian)筑(zhu)(zhu)行業對材(cai)(cai)(cai)料高性能(neng)化(hua)(hua)、功能(neng)復合(he)(he)(he)化(hua)(hua)的(de)(de)(de)需(xu)求提升(sheng)(sheng),陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)技(ji)術(shu)正朝著多(duo)方向(xiang)創新發展(zhan)。在(zai)性能(neng)提升(sheng)(sheng)方面,納(na)米技(ji)術(shu)的(de)(de)(de)應用(yong)(yong)可(ke)(ke)優(you)化(hua)(hua)陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)的(de)(de)(de)微觀結(jie)構,例(li)如添加納(na)米SiO?可(ke)(ke)提升(sheng)(sheng)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)的(de)(de)(de)密實(shi)度和強度,目(mu)前已有研究實(shi)現表(biao)觀密度1600kg/m?的(de)(de)(de)陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)抗壓(ya)強度突(tu)破80MPa,拓(tuo)展(zhan)其(qi)在(zai)超高層(ceng)建(jian)筑(zhu)(zhu)和大跨度結(jie)構中的(de)(de)(de)應用(yong)(yong)。在(zai)功能(neng)復合(he)(he)(he)化(hua)(hua)方面,陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)正向(xiang)“保溫-承重-防火(huo)-隔音”一體(ti)化(hua)(hua)方向(xiang)發展(zhan),例(li)如通(tong)(tong)過摻入相變材(cai)(cai)(cai)料制(zhi)備(bei)相變陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu),可(ke)(ke)實(shi)現建(jian)筑(zhu)(zhu)溫度調(diao)節(jie)功能(neng);摻入導電材(cai)(cai)(cai)料制(zhi)備(bei)導電陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu),可(ke)(ke)用(yong)(yong)于路面融雪、建(jian)筑(zhu)(zhu)防靜電。在(zai)智能(neng)化(hua)(hua)生產(chan)方面,BIM技(ji)術(shu)、自動化(hua)(hua)攪拌系統的(de)(de)(de)應用(yong)(yong)可(ke)(ke)實(shi)現陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)配合(he)(he)(he)比的(de)(de)(de)精確設計和生產(chan)過程的(de)(de)(de)實(shi)時監控,提升(sheng)(sheng)產(chan)品質量穩(wen)定(ding)性。未(wei)來,陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)將在(zai)超高層(ceng)建(jian)筑(zhu)(zhu)、綠色交通(tong)(tong)工程、地下空(kong)間開發等領域發揮更大作用(yong)(yong),成為推動建(jian)筑(zhu)(zhu)行業轉型升(sheng)(sheng)級(ji)的(de)(de)(de)關鍵材(cai)(cai)(cai)料。利用(yong)(yong)廢棄陶(tao)(tao)粒(li)(li)(li)制(zhi)備(bei)的(de)(de)(de)陶(tao)(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu),實(shi)現資源(yuan)循環,契合(he)(he)(he)綠色建(jian)筑(zhu)(zhu)與環保工程發展(zhan)理念。廣東泡沫混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)聯(lian)系人

陶(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)土(tu)(tu)是(shi)以陶(tao)粒(li)(li)(li)為(wei)粗骨料,普通(tong)砂或輕砂為(wei)細骨料,水泥(ni)為(wei)膠凝(ning)材料,配(pei)(pei)合水及(ji)外加劑(ji)(如(ru)減水劑(ji)、引氣劑(ji))制(zhi)成(cheng)的(de)輕質(zhi)混(hun)(hun)(hun)凝(ning)土(tu)(tu)。其關鍵(jian)原料陶(tao)粒(li)(li)(li)是(shi)由黏土(tu)(tu)、頁巖、粉煤灰(hui)等原料經破碎、成(cheng)型(xing)、高溫(wen)(wen)燒結(溫(wen)(wen)度(du) 1100-1300℃)制(zhi)成(cheng)的(de)多孔(kong)顆粒(li)(li)(li),內部形成(cheng)封(feng)閉或半(ban)封(feng)閉孔(kong)隙,堆積密度(du)只為(wei) 500-1200kg/m?,遠低于普通(tong)碎石的(de) 1600-1800kg/m?。制(zhi)備過(guo)程(cheng)中,需根據工(gong)程(cheng)需求精(jing)確控(kong)制(zhi)陶(tao)粒(li)(li)(li)級配(pei)(pei)(通(tong)常(chang)采用(yong)連續級配(pei)(pei)),并通(tong)過(guo)預(yu)濕處理避免陶(tao)粒(li)(li)(li)吸(xi)水導(dao)致混(hun)(hun)(hun)凝(ning)土(tu)(tu)工(gong)作性(xing)下降。成(cheng)品陶(tao)粒(li)(li)(li)混(hun)(hun)(hun)凝(ning)土(tu)(tu)表(biao)觀密度(du)通(tong)常(chang)為(wei) 800-1950kg/m?,抗(kang)壓強度(du) 3-70MPa,孔(kong)隙率 20%-40%,這(zhe)種(zhong)多孔(kong)結構賦予其輕質(zhi)、保溫(wen)(wen)、隔(ge)音等關鍵(jian)特性(xing),是(shi)區別于普通(tong)混(hun)(hun)(hun)凝(ning)土(tu)(tu)的(de)關鍵(jian)標志。廣東混(hun)(hun)(hun)凝(ning)土(tu)(tu)銷售(shou)利用(yong)工(gong)業廢渣制(zhi)備的(de)輕集(ji)料混(hun)(hun)(hun)凝(ning)土(tu)(tu),實現資源循(xun)環,契合綠(lv)色(se)建筑與環保工(gong)程(cheng)理念。

輕質混(hun)凝(ning)土(tu)(tu)的(de)(de)生產工(gong)藝(yi)因其(qi)類型而(er)異,但都圍繞“引(yin)入(ru)(ru)并穩定孔(kong)隙”這一關(guan)鍵。對于輕集(ji)(ji)料(liao)混(hun)凝(ning)土(tu)(tu),關(guan)鍵技術在于輕集(ji)(ji)料(liao)的(de)(de)預處理(li)。由于其(qi)多孔(kong)易吸(xi)水(shui)(shui),攪(jiao)(jiao)拌(ban)(ban)前(qian)需進(jin)行(xing)(xing)預濕(shi)處理(li),以(yi)防止其(qi)在攪(jiao)(jiao)拌(ban)(ban)過(guo)(guo)程(cheng)中(zhong)吸(xi)收過(guo)(guo)多拌(ban)(ban)合水(shui)(shui),影(ying)響(xiang)水(shui)(shui)泥(ni)(ni)水(shui)(shui)化和工(gong)作(zuo)性。攪(jiao)(jiao)拌(ban)(ban)過(guo)(guo)程(cheng)通(tong)常采用強(qiang)制式攪(jiao)(jiao)拌(ban)(ban)機,并需精確控(kong)制投料(liao)順序和攪(jiao)(jiao)拌(ban)(ban)時間,以(yi)確保集(ji)(ji)料(liao)顆粒(li)被漿體(ti)均勻包裹。對于加氣混(hun)凝(ning)土(tu)(tu),生產工(gong)藝(yi)更為(wei)復雜精密:首(shou)先(xian)將磨細的(de)(de)石英砂、水(shui)(shui)泥(ni)(ni)、石灰、石膏及鋁(lv)粉膏等按比例混(hun)合,注入(ru)(ru)模具(ju);隨后在控(kong)溫(wen)控(kong)濕(shi)的(de)(de)養護室內進(jin)行(xing)(xing)靜停、發氣切割,進(jin)入(ru)(ru)高(gao)壓釜(fu)進(jin)行(xing)(xing)高(gao)溫(wen)高(gao)壓蒸汽養護,此過(guo)(guo)程(cheng)生成托貝莫來石晶體(ti),賦予材料(liao)的(de)(de)強(qiang)度。泡沫混(hun)凝(ning)土(tu)(tu)的(de)(de)生產則相對靈活,關(guan)鍵在于制備穩定性高(gao)、孔(kong)徑細小的(de)(de)泡沫,并將其(qi)與水(shui)(shui)泥(ni)(ni)漿體(ti)在專門(men)的(de)(de)設備中(zhong)高(gao)速混(hun)合均勻。
輕(qing)骨(gu)(gu)(gu)料(liao)混(hun)凝(ning)(ning)(ning)土(tu)是(shi)以輕(qing)骨(gu)(gu)(gu)料(liao)為(wei)粗(cu)骨(gu)(gu)(gu)料(liao)、普通(tong)(tong)(tong)砂(sha)或輕(qing)砂(sha)為(wei)細骨(gu)(gu)(gu)料(liao),以水泥為(wei)膠凝(ning)(ning)(ning)材(cai)料(liao),經(jing)拌合、成型、養護而成的(de)(de)特(te)種混(hun)凝(ning)(ning)(ning)土(tu),其干(gan)表觀(guan)(guan)密(mi)(mi)度(du)通(tong)(tong)(tong)常為(wei) 800-1950kg/m?,明顯低于(yu)普通(tong)(tong)(tong)混(hun)凝(ning)(ning)(ning)土(tu)(2400-2500kg/m?)。關鍵(jian)特(te)征在于(yu) “輕(qing)骨(gu)(gu)(gu)料(liao)” 的(de)(de)骨(gu)(gu)(gu)架作用 —— 這類(lei)骨(gu)(gu)(gu)料(liao)自身表觀(guan)(guan)密(mi)(mi)度(du)≤1200kg/m?,且具有多孔結構(gou)(gou),既降低混(hun)凝(ning)(ning)(ning)土(tu)整體密(mi)(mi)度(du),又通(tong)(tong)(tong)過(guo)骨(gu)(gu)(gu)料(liao)與水泥漿體的(de)(de)界面粘結傳(chuan)遞荷(he)載。根(gen)據**標(biao)準(zhun),其抗(kang)壓(ya)強度(du)需≥3.0MPa,可通(tong)(tong)(tong)過(guo)調(diao)整輕(qing)骨(gu)(gu)(gu)料(liao)種類(lei)、水泥用量及外加(jia)劑(ji)配(pei)比,實現從非承重填充到(dao)承重結構(gou)(gou)的(de)(de)全場景適(shi)配(pei),是(shi)兼(jian)顧輕(qing)質化與結構(gou)(gou)功(gong)能(neng)的(de)(de)關鍵(jian)建材(cai)。陶粒(li)混(hun)凝(ning)(ning)(ning)土(tu)彈性好、抗(kang)裂(lie)性強,在市政道路基層(ceng)施工中使用,可提(ti)升(sheng)路面抗(kang)變形能(neng)力。

泡(pao)沫混(hun)(hun)凝(ning)(ning)土(tu)(tu)具有優(you)異的防(fang)火(huo)(huo)性能(neng),其主要成分水(shui)泥石為無(wu)機不燃(ran)(ran)材(cai)(cai)料,內(nei)部(bu)(bu)封(feng)(feng)閉氣(qi)泡(pao)可(ke)(ke)阻斷(duan)氧氣(qi)流通(tong),延緩火(huo)(huo)勢蔓(man)延,耐火(huo)(huo)極限可(ke)(ke)達 2-4 小時。根(gen)據 GB 8624-2012《建(jian)(jian)筑(zhu)材(cai)(cai)料及制品燃(ran)(ran)燒(shao)性能(neng)分級(ji)》,泡(pao)沫混(hun)(hun)凝(ning)(ning)土(tu)(tu)燃(ran)(ran)燒(shao)性能(neng)等(deng)級(ji)可(ke)(ke)達到(dao) A 級(ji)不燃(ran)(ran)材(cai)(cai)料標準,適用于(yu)建(jian)(jian)筑(zhu)防(fang)火(huo)(huo)分區隔斷(duan)、防(fang)火(huo)(huo)墻、防(fang)火(huo)(huo)吊頂(ding)等(deng)關鍵部(bu)(bu)位。在高(gao)(gao)層(ceng)(ceng)建(jian)(jian)筑(zhu)中(zhong),采用泡(pao)沫混(hun)(hun)凝(ning)(ning)土(tu)(tu)澆筑(zhu)的管(guan)(guan)道(dao)井封(feng)(feng)堵層(ceng)(ceng),能(neng)有效阻止火(huo)(huo)災通(tong)過管(guan)(guan)道(dao)井豎向(xiang)蔓(man)延,為人員疏散爭取(qu)時間。在鋼結構防(fang)火(huo)(huo)保護中(zhong),泡(pao)沫混(hun)(hun)凝(ning)(ning)土(tu)(tu)防(fang)火(huo)(huo)涂層(ceng)(ceng)厚(hou)度 20mm 即可(ke)(ke)使(shi)鋼結構耐火(huo)(huo)極限達到(dao) 1.5 小時,滿足高(gao)(gao)層(ceng)(ceng)建(jian)(jian)筑(zhu)鋼結構防(fang)火(huo)(huo)要求(qiu)。此外(wai),泡(pao)沫混(hun)(hun)凝(ning)(ning)土(tu)(tu)在高(gao)(gao)溫(wen)下不釋放有毒有害(hai)氣(qi)體(ti),燃(ran)(ran)燒(shao)后無(wu)熔融滴落物,能(neng)減(jian)少火(huo)(huo)災次(ci)生災害(hai),提升建(jian)(jian)筑(zhu)消防(fang)**水(shui)平。混(hun)(hun)凝(ning)(ning)土(tu)(tu)工(gong)(gong)作性通(tong)過坍落度試驗表征,需(xu)根(gen)據施工(gong)(gong)工(gong)(gong)藝動態調整(zheng)。廣東陶粒(li)泡(pao)沫混(hun)(hun)凝(ning)(ning)土(tu)(tu)聯系(xi)人
泡(pao)沫混凝(ning)土(tu)重量輕,用于高層建筑非承重構件,能減(jian)輕結構荷載,提升建筑抗(kang)震性能。廣東泡(pao)沫混凝(ning)土(tu)聯系(xi)人
陶(tao)(tao)粒(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)具備優(you)異的耐久性(xing),能(neng)(neng)適應寒冷(leng)、潮濕(shi)、鹽(yan)堿等(deng)惡劣環(huan)境。在抗(kang)(kang)(kang)凍性(xing)能(neng)(neng)方面(mian)(mian)(mian),陶(tao)(tao)粒(li)(li)內部封(feng)閉孔隙可(ke)緩(huan)沖凍脹應力,經快速(su)凍融試驗,陶(tao)(tao)粒(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)在 - 20℃至 20℃循環(huan)凍融 50 次后,強(qiang)度損失率(lv)低于(yu) 10%,遠優(you)于(yu)普(pu)通混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)的 20% 以上,適用(yong)于(yu)嚴寒地(di)區(qu)建筑和(he)橋(qiao)梁工程。在抗(kang)(kang)(kang)滲(shen)(shen)性(xing)能(neng)(neng)方面(mian)(mian)(mian),通過(guo)優(you)化陶(tao)(tao)粒(li)(li)級配和(he)添加抗(kang)(kang)(kang)滲(shen)(shen)劑,陶(tao)(tao)粒(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)抗(kang)(kang)(kang)滲(shen)(shen)等(deng)級可(ke)達 P6-P12,能(neng)(neng)有效阻止水(shui)分滲(shen)(shen)透(tou),適用(yong)于(yu)地(di)下室墻(qiang)體、水(shui)池、橋(qiao)梁橋(qiao)面(mian)(mian)(mian)等(deng)涉水(shui)結構(gou)。在抗(kang)(kang)(kang)鹽(yan)堿侵蝕方面(mian)(mian)(mian),陶(tao)(tao)粒(li)(li)表面(mian)(mian)(mian)致密(mi)的釉質層能(neng)(neng)阻擋氯(lv)離(li)子、硫(liu)酸(suan)根離(li)子滲(shen)(shen)透(tou),在沿海地(di)區(qu)和(he)鹽(yan)堿地(di)建筑中,陶(tao)(tao)粒(li)(li)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)結構(gou)使(shi)用(yong)壽(shou)命比普(pu)通混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)延長 10-15 年,減少后期維(wei)護(hu)成本。廣東(dong)泡沫(mo)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)聯(lian)系人