冷庫地(di)坪作為低溫環(huan)境下(xia)的承重結(jie)(jie)構，需(xu)具備抗(kang)凍(dong)脹、耐(nai)低溫、防(fang)(fang)潮防(fang)(fang)滑等特性(xing)，其設(she)計(ji)(ji)與(yu)施(shi)(shi)工(gong)(gong)需(xu)遵(zun)循以下(xia)技術要點(dian)(dian)：###一、結(jie)(jie)構設(she)計(ji)(ji)1.**分(fen)層(ceng)構造(zao)**：采用(yong)(yong)(yong)'結(jie)(jie)構層(ceng)+防(fang)(fang)凍(dong)脹層(ceng)+保(bao)溫層(ceng)+防(fang)(fang)潮層(ceng)+面層(ceng)'復合體系(xi)。結(jie)(jie)構層(ceng)通常選用(yong)(yong)(yong)C30以上(shang)抗(kang)凍(dong)混凝土，厚(hou)度(du)(du)(du)(du)≥200mm；保(bao)溫層(ceng)采用(yong)(yong)(yong)擠塑聚(ju)板（XPS）或(huo)聚(ju)氨酯(zhi)發(fa)泡，厚(hou)度(du)(du)(du)(du)100-150mm，導熱(re)(re)系(xi)數(shu)≤0.028W/(m·K)。2.**防(fang)(fang)凍(dong)脹處理(li)**：設(she)置300mm厚(hou)砂(sha)礫防(fang)(fang)凍(dong)脹層(ceng)，配合地(di)坪加(jia)熱(re)(re)系(xi)統（電(dian)伴熱(re)(re)或(huo)熱(re)(re)風循環(huan)），維持地(di)基(ji)(ji)溫度(du)(du)(du)(du)≥0℃。設(she)置伸(shen)縮縫時需(xu)填充聚(ju)氨酯(zhi)密封膠，間距控(kong)制(zhi)在6m×6m。###二、材料選擇1.**混凝土優化**：摻入硅灰（5-8%）和(he)聚(ju)纖維（0.9kg/m3），提升抗(kang)凍(dong)性(xing)至(zhi)F200等級，抗(kang)壓強度(du)(du)(du)(du)≥35MPa。2.**防(fang)(fang)潮體系(xi)**：采用(yong)(yong)(yong)2mm厚(hou)聚(ju)氨酯(zhi)防(fang)(fang)水涂料+0.8mmHDPE防(fang)(fang)潮膜(mo)，搭(da)接寬度(du)(du)(du)(du)≥100mm，熱(re)(re)熔焊接處理(li)。###三、施(shi)(shi)工(gong)(gong)工(gong)(gong)藝1.**地(di)基(ji)(ji)處理(li)**：壓實度(du)(du)(du)(du)≥95%，平整(zheng)度(du)(du)(du)(du)誤差(cha)≤3mm/2m。采用(yong)(yong)(yong)激光整(zheng)平機施(shi)(shi)工(gong)(gong)，初凝時進行(xing)機械抹(mo)光。2.**防(fang)(fang)滑處理(li)**：面層(ceng)施(shi)(shi)工(gong)(gong)時撒(sa)布金剛砂(sha)骨(gu)料（3-5kg/m2），形成0.5-1.0mm防(fang)(fang)滑紋理(li)，摩擦系(xi)數(shu)≥0.6。###四、質量(liang)(liang)控(kong)制(zhi)1.**傳熱(re)(re)系(xi)數(shu)**：整(zheng)體地(di)坪傳熱(re)(re)系(xi)數(shu)K值(zhi)≤0.25W/(㎡·K)。2.**變形控(kong)制(zhi)**：設(she)置溫度(du)(du)(du)(du)監測點(dian)(dian)，地(di)坪溫差(cha)≤3℃，伸(shen)縮縫寬度(du)(du)(du)(du)15-20mm。3.**養護制(zhi)度(du)(du)(du)(du)**：7天濕養護+21天低溫養護（-18℃環(huan)境模(mo)擬），28天抗(kang)壓強度(du)(du)(du)(du)達標率≥95%。通過(guo)科學的構造(zao)設(she)計(ji)(ji)、嚴選材料和(he)精細施(shi)(shi)工(gong)(gong)，可打造(zao)出承載強度(du)(du)(du)(du)≥5t/㎡、使用(yong)(yong)(yong)壽命≥15年的冷庫地(di)坪系(xi)統，滿(man)足-25℃至(zhi)-40℃低溫倉儲需(xu)求，同(tong)時降低冷量(liang)(liang)損失30%以上(shang)。建議每3年進行(xing)檢測，重點(dian)(dian)監測保(bao)溫層(ceng)含(han)水率（應≤5%）和(he)結(jie)(jie)構層(ceng)裂(lie)縫發(fa)展情況。

冷(leng)庫(ku)(ku)(ku)(ku)地(di)(di)(di)坪(ping)(ping)系(xi)(xi)統(tong)(tong)(tong)設(she)(she)計(ji)是(shi)保(bao)障冷(leng)庫(ku)(ku)(ku)(ku)運(yun)行的環(huan)節，需(xu)(xu)(xu)兼(jian)顧保(bao)溫(wen)(wen)隔(ge)熱(re)(re)、防(fang)潮(chao)防(fang)滑、結構(gou)(gou)穩(wen)定(ding)等多重功(gong)能(neng)，以(yi)(yi)滿足低溫(wen)(wen)環(huan)境下(xia)長期使用(yong)的特殊需(xu)(xu)(xu)求。以(yi)(yi)下(xia)是(shi)其關鍵設(she)(she)計(ji)要點及(ji)技術要求：###一、保(bao)溫(wen)(wen)隔(ge)熱(re)(re)系(xi)(xi)統(tong)(tong)(tong)冷(leng)庫(ku)(ku)(ku)(ku)地(di)(di)(di)坪(ping)(ping)需(xu)(xu)(xu)通(tong)過(guo)多層(ceng)結構(gou)(gou)實現(xian)保(bao)溫(wen)(wen)。通(tong)常(chang)(chang)采用(yong)擠(ji)塑聚(ju)(ju)（XPS）或(huo)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)泡沫(mo)作(zuo)為保(bao)溫(wen)(wen)層(ceng)，熱(re)(re)導率需(xu)(xu)(xu)≤0.028W/(m·K)，厚(hou)(hou)度(du)(du)(du)(du)根據庫(ku)(ku)(ku)(ku)溫(wen)(wen)設(she)(she)計(ji)（-18℃庫(ku)(ku)(ku)(ku)常(chang)(chang)用(yong)150-200mm）。保(bao)溫(wen)(wen)層(ceng)需(xu)(xu)(xu)上下(xia)設(she)(she)置防(fang)潮(chao)隔(ge)汽(qi)(qi)膜(mo)(mo)，形成閉合屏障，避免(mian)冷(leng)橋產生。針對重載(zai)(zai)需(xu)(xu)(xu)求，需(xu)(xu)(xu)在保(bao)溫(wen)(wen)層(ceng)上方澆筑(zhu)鋼筋(jin)混(hun)凝(ning)(ning)土承重層(ceng)（強(qiang)度(du)(du)(du)(du)≥C30），并配(pei)置雙層(ceng)鋼筋(jin)網片，防(fang)止(zhi)低溫(wen)(wen)收縮開裂。###二(er)、防(fang)潮(chao)隔(ge)汽(qi)(qi)處理地(di)(di)(di)坪(ping)(ping)系(xi)(xi)統(tong)(tong)(tong)需(xu)(xu)(xu)設(she)(she)置連續防(fang)潮(chao)層(ceng)，通(tong)常(chang)(chang)采用(yong)1.5mm厚(hou)(hou)高分子自粘卷材(cai)或(huo)聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)涂料，搭(da)接(jie)寬(kuan)度(du)(du)(du)(du)≥100mm，與墻體(ti)(ti)防(fang)潮(chao)層(ceng)形成整體(ti)(ti)密封。重點處理穿管、伸(shen)縮縫等薄(bo)弱部位(wei)，聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)自流平施工，采用(yong)彈(dan)性(xing)密封膠填充。地(di)(di)(di)坪(ping)(ping)下(xia)部需(xu)(xu)(xu)設(she)(she)置架(jia)空層(ceng)或(huo)通(tong)風通(tong)道，配(pei)置電加熱(re)(re)系(xi)(xi)統(tong)(tong)(tong)（功(gong)率15-20W/㎡）防(fang)止(zhi)地(di)(di)(di)基凍(dong)脹。###三(san)、防(fang)滑耐磨(mo)面(mian)層(ceng)工作(zuo)區地(di)(di)(di)坪(ping)(ping)需(xu)(xu)(xu)采用(yong)壓紋混(hun)凝(ning)(ning)土（摩(mo)擦系(xi)(xi)數≥0.6）或(huo)環(huan)氧防(fang)滑涂層(ceng)（干(gan)態DIN51130R10級），坡度(du)(du)(du)(du)控(kong)制(zhi)在1%-2%便(bian)于排水。重型作(zuo)業(ye)區可(ke)增設(she)(she)鋼纖維混(hun)凝(ning)(ning)土（摻量30-50kg/m3）提升(sheng)抗(kang)沖擊(ji)性(xing)。低溫(wen)(wen)環(huan)境下(xia)應(ying)選(xuan)用(yong)耐-40℃的聚(ju)(ju)氨(an)(an)酯(zhi)(zhi)基材(cai)料，避免(mian)脆裂。###四、特殊構(gou)(gou)造處理1.**伸(shen)縮縫設(she)(she)計(ji)**：間(jian)(jian)距≤6m，內(nei)置聚(ju)(ju)乙烯閉孔泡沫(mo)板(ban)，表面(mian)用(yong)硅酮膠密封2.**防(fang)凍(dong)脹措施**：地(di)(di)(di)坪(ping)(ping)下(xia)部設(she)(she)置300mm厚(hou)(hou)砂礫層(ceng)，含排水盲(mang)溝(gou)（坡度(du)(du)(du)(du)≥3%）3.**荷載(zai)(zai)適應(ying)性(xing)**：叉(cha)車(che)作(zuo)業(ye)區地(di)(di)(di)坪(ping)(ping)抗(kang)壓強(qiang)度(du)(du)(du)(du)≥35MPa，堆垛(duo)區根據貨架(jia)荷載(zai)(zai)計(ji)算配(pei)筋(jin)施工時需(xu)(xu)(xu)嚴(yan)格把控(kong)基層(ceng)含水率（≤4%），采用(yong)分層(ceng)澆筑(zhu)工藝，每(mei)層(ceng)間(jian)(jian)隔(ge)設(she)(she)置隔(ge)汽(qi)(qi)膜(mo)(mo)。定(ding)期檢測地(di)(di)(di)坪(ping)(ping)系(xi)(xi)統(tong)(tong)(tong)氣密性(xing)（年漏氣率≤5%），及(ji)時修復破(po)損(sun)部位(wei)，可(ke)保(bao)障地(di)(di)(di)坪(ping)(ping)系(xi)(xi)統(tong)(tong)(tong)使用(yong)壽(shou)命達15年以(yi)(yi)上。通(tong)過(guo)系(xi)(xi)統(tong)(tong)(tong)性(xing)設(she)(she)計(ji)，可(ke)實現(xian)冷(leng)庫(ku)(ku)(ku)(ku)能(neng)耗降低10%-15%，同(tong)時提升(sheng)作(zuo)業(ye)安(an)全性(xing)與設(she)(she)備運(yun)行穩(wen)定(ding)性(xing)。

耐(nai)水(shui)沖(chong)(chong)地(di)坪材(cai)料(liao)(liao)：防(fang)(fang)(fang)水(shui)抗(kang)(kang)污(wu)，水(shui)性(xing)聚(ju)氨酯自流(liu)平(ping)施(shi)(shi)工(gong)(gong)(gong)，打造潔(jie)(jie)凈(jing)(jing)耐(nai)用(yong)(yong)空(kong)間(jian)耐(nai)水(shui)沖(chong)(chong)地(di)坪材(cai)料(liao)(liao)是專為高濕(shi)、高潔(jie)(jie)凈(jing)(jing)需求(qiu)環(huan)(huan)境研發的(de)(de)新(xin)型功(gong)能(neng)(neng)(neng)性(xing)地(di)坪解決方案(an)，其以(yi)(yi)防(fang)(fang)(fang)水(shui)抗(kang)(kang)污(wu)、易清(qing)(qing)潔(jie)(jie)、耐(nai)磨損等(deng)(deng)(deng)性(xing)能(neng)(neng)(neng)，廣泛應用(yong)(yong)于(yu)工(gong)(gong)(gong)業(ye)廠房(fang)、商業(ye)場(chang)所(suo)、醫(yi)院、實(shi)驗(yan)室等(deng)(deng)(deng)場(chang)景，成(cheng)為現代建筑(zhu)地(di)面(mian)裝飾的(de)(de)理想選擇(ze)。【特(te)(te)性(xing)】1.**防(fang)(fang)(fang)水(shui)抗(kang)(kang)滲(shen)**采(cai)用(yong)(yong)環(huan)(huan)氧樹脂、聚(ju)氨酯或水(shui)性(xing)聚(ju)合(he)物等(deng)(deng)(deng)高分子材(cai)料(liao)(liao)，形成(cheng)致密無(wu)縫的(de)(de)連(lian)續涂層，有效阻隔(ge)水(shui)汽滲(shen)透。即(ji)使(shi)(shi)長(chang)(chang)期(qi)浸泡或頻繁(fan)沖(chong)(chong)洗，仍能(neng)(neng)(neng)保(bao)(bao)持結構穩(wen)定性(xing)，避免起泡、脫(tuo)落等(deng)(deng)(deng)問題，尤其適用(yong)(yong)于(yu)潮濕(shi)車(che)間(jian)、地(di)下停(ting)(ting)車(che)場(chang)等(deng)(deng)(deng)環(huan)(huan)境。2.**抗(kang)(kang)污(wu)易潔(jie)(jie)**表面(mian)經特(te)(te)殊工(gong)(gong)(gong)藝處理，達到鏡面(mian)或啞(ya)光(guang)抗(kang)(kang)污(wu)效果，油漬、化學試劑等(deng)(deng)(deng)污(wu)染(ran)物不易附著(zhu)。日常清(qing)(qing)潔(jie)(jie)僅需清(qing)(qing)水(shui)沖(chong)(chong)洗或拖拭即(ji)可(ke)(ke)恢復潔(jie)(jie)凈(jing)(jing)，大幅降低清(qing)(qing)潔(jie)(jie)成(cheng)本。部分材(cai)料(liao)(liao)還具(ju)備功(gong)能(neng)(neng)(neng)，聚(ju)氨酯自流(liu)平(ping)，滿足食(shi)品(pin)廠、醫(yi)院等(deng)(deng)(deng)衛生高要求(qiu)場(chang)所(suo)。3.**耐(nai)磨抗(kang)(kang)沖(chong)(chong)擊(ji)**通過添加(jia)石英砂、碳化硅等(deng)(deng)(deng)硬(ying)質(zhi)骨(gu)料(liao)(liao)，地(di)坪表面(mian)硬(ying)度(du)(du)可(ke)(ke)達5H以(yi)(yi)上(shang)，能(neng)(neng)(neng)承(cheng)受叉車(che)、重型設備碾壓及硬(ying)物沖(chong)(chong)擊(ji)，聚(ju)氨酯自流(liu)平(ping)施(shi)(shi)工(gong)(gong)(gong)報價，長(chang)(chang)期(qi)使(shi)(shi)用(yong)(yong)無(wu)劃痕、無(wu)粉化，使(shi)(shi)用(yong)(yong)壽命可(ke)(ke)達10年(nian)以(yi)(yi)上(shang)。4.**環(huan)(huan)保(bao)(bao)美觀**水(shui)性(xing)環(huan)(huan)保(bao)(bao)配(pei)方低VOC排(pai)放，施(shi)(shi)工(gong)(gong)(gong)無(wu)異味(wei)，符(fu)合(he)綠(lv)色建筑(zhu)標準。色彩可(ke)(ke)定制化設計，啞(ya)光(guang)、亮(liang)光(guang)、防(fang)(fang)(fang)滑紋理等(deng)(deng)(deng)多(duo)重選擇(ze)，兼具(ju)功(gong)能(neng)(neng)(neng)性(xing)與(yu)裝飾性(xing)。【應用(yong)(yong)場(chang)景】-**工(gong)(gong)(gong)業(ye)領域(yu)**：食(shi)品(pin)加(jia)工(gong)(gong)(gong)廠、制藥車(che)間(jian)、電子無(wu)塵車(che)間(jian)等(deng)(deng)(deng)對(dui)潔(jie)(jie)凈(jing)(jing)度(du)(du)要求(qiu)高的(de)(de)場(chang)所(suo)。-**商業(ye)空(kong)間(jian)**：商超(chao)、倉庫(ku)(ku)、地(di)下停(ting)(ting)車(che)場(chang)等(deng)(deng)(deng)密集區域(yu)。-**公共(gong)設施(shi)(shi)**：醫(yi)院、學校、實(shi)驗(yan)室、體育館等(deng)(deng)(deng)需頻繁(fan)清(qing)(qing)潔(jie)(jie)的(de)(de)公共(gong)區域(yu)。-**家庭場(chang)景**：車(che)庫(ku)(ku)、陽臺(tai)、廚(chu)房(fang)等(deng)(deng)(deng)易積水(shui)油污(wu)空(kong)間(jian)。【施(shi)(shi)工(gong)(gong)(gong)與(yu)維護】施(shi)(shi)工(gong)(gong)(gong)采(cai)用(yong)(yong)底涂、中涂、面(mian)涂多(duo)層工(gong)(gong)(gong)藝，確保(bao)(bao)整體密封性(xing)。日常維護僅需定期(qi)清(qing)(qing)掃，頑固(gu)污(wu)漬可(ke)(ke)用(yong)(yong)中性(xing)清(qing)(qing)潔(jie)(jie)劑處理，避免強酸強堿腐蝕(shi)。定期(qi)打蠟(la)可(ke)(ke)延長(chang)(chang)光(guang)澤度(du)(du)與(yu)使(shi)(shi)用(yong)(yong)壽命。耐(nai)水(shui)沖(chong)(chong)地(di)坪通過技術創新(xin)實(shi)現功(gong)能(neng)(neng)(neng)升級，以(yi)(yi)“一次(ci)投入，長(chang)(chang)效省心”的(de)(de)特(te)(te)點(dian)，為現代建筑(zhu)提供更(geng)(geng)、更(geng)(geng)經濟的(de)(de)解決方案(an)。