反fan射she裂lie縫feng是shi瀝li青qing路lu麵mian普pu遍bian存cun在zai的de一yi種zhong病bing害hai現xian象xiang。根gen據ju國guo內nei外wai道dao路lu工gong程cheng的de實shi踐jian，在zai瀝li青qing麵mian層ceng和he中zhong集ji瀝li青qing混hun合he料liao層ceng或huo粗cu集ji瀝li青qing混hun合he料liao層ceng之zhi間jian鋪pu設she一yi層ceng土tu工gong織zhi物wu
，可ke用yong以yi消xiao除chu或huo減jian緩huan麵mian層ceng反fan射she裂lie縫feng的de產chan生sheng
，從cong而er延yan長chang道dao路lu的de使shi用yong壽shou命ming
，降jiang低di維wei修xiu成cheng本ben。但dan是shi，由you於yu瀝li青qing路lu麵mian澆jiao注zhu時shi的de溫wen度du高gao達da160℃-180℃
，致使土工織物褶皺、變形、ruanhua
，shiqixingnengdadajiangdi，budannanyixiaochuhuojianhuanmiancengfansheliefengdechansheng，erqieshideliqinglumiangengjiaaotubuping，erboxiantugonggezhasuoteyoudexingneng，wanquanmanzuliqinglumiandeyaoqiu
，muqianxuduogongchengyishiyongboxiantugonggezha。
　　玻纖應用於瀝青道路時
，可在以下幾方麵發揮作用。
　　（1）抗疲勞開裂
　　liqinglumianbixujuyouyidingdechengzainengli
，zaiguidingdeshijianneibunengfashengpilaopohuai。liqinglumianzaizhijieyuchelunjiechudexiamiancengshoudaoyali，zailunzaibianyuanyiwaidequyu，miancengshoudaolalizuoyong，youyuliangchushouliquyusuoshoulixingzhibutong，eryoubicijinkao，yincizailiangkuaishouliquyudejiaojiechujilidetubianchufashengpohuai
，zaichangqihezaidezuoyongxia
，fashengpilaokailie。
　　玻(bo)纖(xian)土(tu)工(gong)格(ge)柵(zha)在(zai)瀝(li)青(qing)麵(mian)層(ceng)中(zhong)，能(neng)夠(gou)將(jiang)上(shang)述(shu)的(de)壓(ya)應(ying)力(li)與(yu)拉(la)應(ying)力(li)分(fen)散(san)，在(zai)兩(liang)塊(kuai)受(shou)力(li)區(qu)域(yu)之(zhi)間(jian)形(xing)成(cheng)緩(huan)衝(chong)帶(dai)
，減(jian)少(shao)了(le)應(ying)力(li)突(tu)變(bian)對(dui)瀝(li)青(qing)麵(mian)層(ceng)的(de)破(po)壞(huai)。同(tong)時(shi)玻(bo)璃(li)纖(xian)維(wei)土(tu)工(gong)格(ge)柵(zha)的(de)低(di)延(yan)伸(shen)率(lv)減(jian)少(shao)了(le)路(lu)麵(mian)的(de)彎(wan)沉(chen)量(liang)，保(bao)證(zheng)了(le)路(lu)麵(mian)不(bu)會(hui)發(fa)生(sheng)過(guo)度(du)變(bian)形(xing)。
　　（2） 耐高溫車轍
　　瀝li青qing混hun凝ning土tu在zai高gao溫wen時shi具ju有you流liu變bian性xing，在zai車che輛liang荷he載zai作zuo用yong下xia，受shou力li區qu域yu產chan生sheng凹ao陷xian，車che輛liang荷he載zai撤che除chu後hou，瀝li青qing麵mian層ceng無wu法fa完wan全quan恢hui複fu原yuan狀zhuang態tai，即ji產chan生sheng了le塑su性xing變bian形xing，在zai車che輛liang反fan複fu碾nian壓ya的de作zuo用yong下xia，塑su性xing變bian形xing不bu斷duan積ji累lei

，形xing成cheng車che轍zhe。通tong過guo瀝li青qing麵mian層ceng結jie構gou分fen析xi可ke知zhi，高gao溫wen下xia的de瀝li青qing混hun凝ning土tu在zai受shou到dao荷he載zai的de碾nian壓ya作zuo用yong，形xing成cheng了le微wei量liang的de波bo形xing流liu變bian，麵mian層ceng中zhong沒mei有you任ren何he可ke以yi約yue束shu瀝li青qing混hun凝ning土tu流liu變bian的de骨gu架jia材cai料liao
，造zao成cheng瀝li青qing麵mian層ceng流liu變bian的de累lei積ji疊die加jia，這zhe是shi形xing成cheng車che轍zhe的de根gen本ben所suo在zai。
　　zailiqingmiancengzhongshiyongboxiantugonggezha，qizailiqingmiancengzhongqidaogujiazuoyong，liqingtongzhongjiliaoguanchuanyugezhajian，xingchengfuhelixueqiansuotixi，xianzhijiliaoyundong

，zengjialeliqingmiancengzhongdehengxiangyueshuli
，liqingmiancengzhonggebufenbiciqianzhi，fangzhileliqingmiancengdetuiyi，congerqidaodikangchezhedezuoyong。
　　（3） 抗低溫縮裂
　　yanhanshiqi，liqinghunningtumiancengdewendujinyuqiwen，liqingtongyulengshousuo
，chanshenglayingli，zaishoudaohezaifanfuzuoyongxia，layinglijinyibuzengjia，danglayinglichaoguoliqingtonglashenqiangdushi，chanshengliewen，zailiewenliangduanchu

，layingligengjiajizhong，liewenzhubuxingchengliefeng，zaochengbinghai。
　　玻bo纖xian土tu工gong格ge柵zha置zhi於yu瀝li青qing中zhong
，使shi得de瀝li青qing砼tong的de拉la伸shen強qiang度du大da大da提ti高gao
，足zu夠gou抵di抗kang住zhu較jiao大da的de拉la應ying力li而er不bu致zhi發fa生sheng路lu麵mian破po壞huai，即ji使shi因yin為wei局ju部bu區qu域yu產chan生sheng微wei小xiao裂lie紋wen，裂lie紋wen處chu的de應ying力li集ji中zhong，經jing玻bo纖xian土tu工gong格ge柵zha的de傳chuan遞di而er消xiao失shi

，裂lie紋wen不bu會hui發fa展zhan成cheng裂lie縫feng。
　　（4） 延緩反射裂縫
　　裂(lie)縫(feng)產(chan)生(sheng)的(de)反(fan)射(she)有(you)兩(liang)種(zhong)，一(yi)種(zhong)是(shi)麵(mian)層(ceng)產(chan)生(sheng)裂(lie)縫(feng)後(hou)，裂(lie)縫(feng)向(xiang)下(xia)反(fan)射(she)，破(po)壞(huai)下(xia)層(ceng)結(jie)構(gou)，降(jiang)低(di)路(lu)麵(mian)結(jie)構(gou)強(qiang)度(du)
，在(zai)雨(yu)水(shui)時(shi)節(jie)，水(shui)進(jin)入(ru)裂(lie)縫(feng)中(zhong)，在(zai)交(jiao)通(tong)荷(he)載(zai)（輪胎壓力）的de反fan複fu抵di壓ya

，水shui在zai裂lie縫feng中zhong產chan生sheng水shui壓ya
，水shui不bu斷duan的de衝chong擊ji瀝li青qing混hun合he料liao，導dao致zhi裂lie縫feng擴kuo大da。另ling一yi種zhong是shi舊jiu麵mian層ceng原yuan有you裂lie縫feng，路lu基ji層ceng或huo下xia層ceng路lu基ji層ceng產chan生sheng的de裂lie縫feng向xiang上shang反fan射she
，新xin罩zhao路lu麵mian無wu法fa承cheng受shou因yin底di層ceng移yi動dong而er產chan生sheng的de剪jian切qie力li和he抗kang伸shen應ying力li，導dao致zhi路lu麵mian麵mian層ceng裂lie縫feng。
　　在瀝青罩麵層中加鋪玻纖土工格柵夾層，抑製應力
，釋放應變，增強瀝青混凝土整體強度，達到防止裂縫向上或向下反射的目的。