加(jia)固(gu)(gu)碳(tan)(tan)纖維(wei)(wei)布作為建(jian)筑結構加(jia)固(gu)(gu)領域的常用(yong)材料(liao)(liao)，其價(jia)格(ge)(ge)(ge)受多種因(yin)(yin)(yin)素影響，市(shi)場(chang)單(dan)價(jia)通(tong)常在每(mei)平方(fang)米(mi)80元(yuan)(yuan)(yuan)至(zhi)300元(yuan)(yuan)(yuan)之間（或(huo)每(mei)延米(mi)20元(yuan)(yuan)(yuan)至(zhi)80元(yuan)(yuan)(yuan)）。以(yi)下(xia)從價(jia)格(ge)(ge)(ge)因(yin)(yin)(yin)素、市(shi)場(chang)概況及選(xuan)購(gou)建(jian)議(yi)三方(fang)面進(jin)行介(jie)紹：###一、價(jia)格(ge)(ge)(ge)影響因(yin)(yin)(yin)素1.**材料(liao)(liao)性(xing)(xing)能**：高(gao)(gao)強度型（300GPa以(yi)上模(mo)量）比普通(tong)型（200GPa左右）溢價(jia)30%-50%；抗(kang)震耐腐蝕等特(te)殊性(xing)(xing)能附加(jia)成本(ben)約(yue)15%-25%。2.**規格(ge)(ge)(ge)參(can)數(shu)**：常見克重(zhong)200g/㎡-600g/㎡，300g標準布單(dan)價(jia)約(yue)100-150元(yuan)(yuan)(yuan)/㎡，每(mei)增加(jia)100g成本(ben)提(ti)(ti)升約(yue)20%；1.2mm厚布較(jiao)0.6mm厚布價(jia)格(ge)(ge)(ge)高(gao)(gao)40%以(yi)上。3.**品(pin)牌(pai)差異**：國產主流(liu)品(pin)牌(pai)（如(ru)卡本(ben)、斯倍耳）均價(jia)較(jiao)進(jin)口品(pin)牌(pai)（東麗、赫(he)氏）低(di)30%-60%，但進(jin)口產品(pin)在航空(kong)航天(tian)級(ji)(ji)工(gong)程中仍占主導地位。###二、市(shi)場(chang)動(dong)態2023年行業數(shu)據顯示，常規加(jia)固(gu)(gu)項目材料(liao)(liao)成本(ben)占比約(yue)45%，施(shi)工(gong)費另(ling)計30-80元(yuan)(yuan)(yuan)/㎡。受國際碳(tan)(tan)纖維(wei)(wei)原料(liao)(liao)價(jia)格(ge)(ge)(ge)波動(dong)影響，國產T700級(ji)(ji)碳(tan)(tan)布價(jia)格(ge)(ge)(ge)年內波動(dong)幅度達±15%。電商平臺價(jia)格(ge)(ge)(ge)普遍比廠家高(gao)(gao)10%-20%，大宗采購(gou)（1000㎡以(yi)上）可獲8-9折優(you)惠(hui)。###三、選(xuan)購(gou)建(jian)議(yi)1.民(min)用(yong)建(jian)筑加(jia)固(gu)(gu)優(you)先選(xuan)擇Ⅰ級(ji)(ji)碳(tan)(tan)布（抗(kang)拉強度≥3400MPa），2.特(te)殊環境項目建(jian)議(yi)選(xuan)用(yong)帶耐候涂層的產品(pin)，附加(jia)成本(ben)約(yue)8-12元(yuan)(yuan)(yuan)/㎡3.注(zhu)意核查檢測報告，重(zhong)點(dian)查看彈(dan)性(xing)(xing)模(mo)量、纖維(wei)(wei)含量（≥67%為合格(ge)(ge)(ge)）等指標建(jian)議(yi)采購(gou)時要(yao)求供(gong)應商提(ti)(ti)供(gong)配套施(shi)工(gong)方(fang)案(an)，廠家通(tong)常具備(bei)結構計算和工(gong)藝指導能力。通(tong)過合理(li)選(xuan)型與規范施(shi)工(gong)，碳(tan)(tan)纖維(wei)(wei)加(jia)固(gu)(gu)可提(ti)(ti)升結構承載力40%-70%，綜合成本(ben)較(jiao)傳(chuan)統加(jia)固(gu)(gu)方(fang)式降低(di)約(yue)30%。

樓(lou)(lou)板(ban)(ban)碳(tan)纖(xian)維(wei)加(jia)固(gu)技(ji)術(shu)是(shi)(shi)一種的結(jie)(jie)(jie)構(gou)加(jia)固(gu)方法，主要應(ying)用于混(hun)凝(ning)土(tu)樓(lou)(lou)板(ban)(ban)承載(zai)力(li)不足、裂縫(feng)擴展或(huo)老化等問題。其(qi)是(shi)(shi)通(tong)過粘(zhan)貼高(gao)強度(du)(du)(du)(du)(du)(du)的碳(tan)纖(xian)維(wei)布(bu)或(huo)碳(tan)纖(xian)維(wei)板(ban)(ban)，提升樓(lou)(lou)板(ban)(ban)的抗(kang)彎、抗(kang)剪性(xing)能，從而(er)延(yan)長結(jie)(jie)(jie)構(gou)使用壽命(ming)(ming)。以下(xia)是(shi)(shi)該(gai)技(ji)術(shu)的要點：**技(ji)術(shu)原理(li)**碳(tan)纖(xian)維(wei)材(cai)料具有優異的抗(kang)拉強度(du)(du)(du)(du)(du)(du)（可(ke)達(da)普通(tong)鋼材(cai)的5-8倍）和(he)輕質(zhi)特(te)性(xing)（密(mi)度(du)(du)(du)(du)(du)(du)僅(jin)為(wei)鋼材(cai)的1/4）。通(tong)過結(jie)(jie)(jie)構(gou)膠將碳(tan)纖(xian)維(wei)布(bu)與樓(lou)(lou)板(ban)(ban)底面粘(zhan)結(jie)(jie)(jie)成(cheng)整(zheng)體(ti)，形(xing)成(cheng)復合受力(li)體(ti)系(xi)，可(ke)有效分擔荷載(zai)并(bing)限制裂縫(feng)發展。尤其(qi)適(shi)用于開洞改造(zao)、設(she)備增(zeng)重(zhong)等需局(ju)部補(bu)強的場(chang)景(jing)(jing)。**優勢**1.**施工(gong)便捷**：無需大(da)型機械，基(ji)層打磨、涂膠、粘(zhan)貼流程僅(jin)需3-5天，比(bi)傳統鋼板(ban)(ban)加(jia)固(gu)縮(suo)短60%工(gong)期；2.**適(shi)應(ying)性(xing)強**：可(ke)靈活裁剪成(cheng)條狀或(huo)網格(ge)狀，貼合不規則表(biao)面，影響建(jian)筑(zhu)凈高(gao)；3.**耐(nai)久性(xing)突出**：耐(nai)酸堿(jian)腐蝕性(xing)能是(shi)(shi)鋼結(jie)(jie)(jie)構(gou)的20倍以上(shang)，使用壽命(ming)(ming)超25年，免維(wei)護；4.**綜合成(cheng)本低**：材(cai)料單(dan)價雖高(gao)于鋼板(ban)(ban)，但節(jie)省了防(fang)銹處理(li)、吊裝費用及(ji)后期維(wei)護支出。**關鍵技(ji)術(shu)指標**-碳(tan)纖(xian)維(wei)布(bu)抗(kang)拉強度(du)(du)(du)(du)(du)(du)≥3400MPa-結(jie)(jie)(jie)構(gou)膠粘(zhan)結(jie)(jie)(jie)強度(du)(du)(du)(du)(du)(du)≥2.5MPa（混(hun)凝(ning)土(tu)內聚(ju)破壞）-單(dan)層布(bu)可(ke)提升樓(lou)(lou)板(ban)(ban)承載(zai)力(li)15-25%-加(jia)固(gu)后結(jie)(jie)(jie)構(gou)自重(zhong)僅(jin)增(zeng)加(jia)0.5-1.2kg/m2**施工(gong)控制要點**需重(zhong)點把控基(ji)面處理(li)（露出新(xin)鮮混(hun)凝(ning)土(tu)）、膠體(ti)涂刷飽(bao)滿度(du)(du)(du)(du)(du)(du)（膠層厚度(du)(du)(du)(du)(du)(du)2-3mm）及(ji)環境溫(wen)濕度(du)(du)(du)(du)(du)(du)控制（15-30℃為(wei)施工(gong)溫(wen)度(du)(du)(du)(du)(du)(du)）。竣工(gong)驗收時(shi)需進行空鼓率檢測（≤5%為(wei)合格(ge)）和(he)現(xian)場(chang)拉拔試驗。該(gai)技(ji)術(shu)已列入GB50367《混(hun)凝(ning)土(tu)結(jie)(jie)(jie)構(gou)加(jia)固(gu)設(she)計規范》，成(cheng)為(wei)既有建(jian)筑(zhu)改造(zao)的方案之一，特(te)別適(shi)合不允許停產(chan)的工(gong)業廠房、保護建(jian)筑(zhu)等特(te)殊(shu)場(chang)景(jing)(jing)。

梁粘(zhan)貼碳(tan)纖(xian)(xian)維(wei)布(bu)(bu)加固工(gong)藝流程一(yi)、施工(gong)準(zhun)備1.方(fang)案(an)設計：根據結(jie)(jie)構檢(jian)(jian)測報(bao)告確定(ding)加固范(fan)圍及(ji)碳(tan)纖(xian)(xian)維(wei)布(bu)(bu)規格（如(ru)200g/m2或300g/m2）。2.材料準(zhun)備：選用符合(he)(he)GB50728標準(zhun)的碳(tan)纖(xian)(xian)維(wei)布(bu)(bu)及(ji)配套(tao)環(huan)(huan)氧樹脂膠(jiao)(jiao)，檢(jian)(jian)查(cha)材料合(he)(he)格證及(ji)保質(zhi)期(qi)。3.基(ji)面(mian)處(chu)理(li)：清(qing)除梁體表面(mian)粉刷(shua)(shua)層(ceng)(ceng)，采用角(jiao)(jiao)磨(mo)機打(da)磨(mo)混凝土(tu)至骨料外露，轉角(jiao)(jiao)處(chu)打(da)磨(mo)成R≥20mm圓弧。二、表面(mian)處(chu)理(li)1.缺陷修(xiu)補：用環(huan)(huan)氧砂(sha)漿(jiang)填補裂縫(feng)、孔洞，確保基(ji)面(mian)平(ping)整(zheng)度(du)(du)≤3mm/2m。2.清(qing)潔(jie)除塵：用空(kong)壓(ya)機吹凈浮(fu)灰，擦拭去除油污，保持(chi)基(ji)面(mian)干燥(zao)（含水率(lv)≤6%）。三、涂(tu)(tu)刷(shua)(shua)底膠(jiao)(jiao)1.按A:B=3:1配制環(huan)(huan)氧底膠(jiao)(jiao)，攪(jiao)拌至顏色均勻。2.采用滾筒(tong)涂(tu)(tu)刷(shua)(shua)，厚(hou)度(du)(du)0.2-0.3mm，指觸干燥(zao)（約(yue)2h）后(hou)進入下一(yi)工(gong)序。四、粘(zhan)貼施工(gong)1.碳(tan)纖(xian)(xian)維(wei)布(bu)(bu)裁剪：按設計尺寸(cun)裁切，搭接長度(du)(du)≥100mm。2.浸漬膠(jiao)(jiao)涂(tu)(tu)刷(shua)(shua)：分層(ceng)(ceng)涂(tu)(tu)刷(shua)(shua)環(huan)(huan)氧浸漬膠(jiao)(jiao)，樓板加固碳(tan)纖(xian)(xian)維(wei)布(bu)(bu)價格，用量(liang)600-800g/m2。3.粘(zhan)貼滾壓(ya)：沿(yan)(yan)纖(xian)(xian)維(wei)方(fang)向(xiang)逐條(tiao)粘(zhan)貼，用滾筒(tong)沿(yan)(yan)45°方(fang)向(xiang)反復滾壓(ya)排除氣泡，確保膠(jiao)(jiao)液滲透率(lv)＞95%。五、養(yang)(yang)護(hu)固化1.常溫養(yang)(yang)護(hu)72h，環(huan)(huan)境溫度(du)(du)宜為5-35℃，濕(shi)度(du)(du)≤85%。2.固化期(qi)間嚴(yan)禁擾動，養(yang)(yang)護(hu)后(hou)檢(jian)(jian)查(cha)空(kong)鼓(gu)率(lv)≤5%（單個空(kong)鼓(gu)面(mian)積≤100cm2）。六、質(zhi)量(liang)驗收1.采用錘擊法檢(jian)(jian)測粘(zhan)結(jie)(jie)質(zhi)量(liang)，必要時(shi)進行(xing)正拉粘(zhan)結(jie)(jie)強度(du)(du)試驗（≥2.5MPa）。2.表面(mian)防護(hu)：涂(tu)(tu)刷(shua)(shua)防火涂(tu)(tu)料或抹20mm厚(hou)砂(sha)漿(jiang)保護(hu)層(ceng)(ceng)。注意(yi)事項：施工(gong)全程需佩戴防護(hu)裝備，碳(tan)纖(xian)(xian)維(wei)導電性要求(qiu)作(zuo)業區遠離電源。該工(gong)藝可(ke)提升梁體抗彎承載力30%-60%，適用于不宜增大截面(mian)尺寸(cun)的加固場景。