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玻纖土工格柵(單向雙向)
玻纖土工格柵(單向雙向)
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玻纖土工格柵是以玻璃纖維為材質,采用一定的編織工藝製成的網狀結構材料,為保護玻璃纖維、提高整體使用性能,經過特殊的塗複處理工藝而成的土工複合材料。玻璃纖維的主要成份是:氧化矽、是無機材料,其理化性能極具穩定,並具有強度大、模量高,很高的耐磨性和優異的對寒性,無長期蠕變;熱穩定性好;網狀結構使集料嵌鎖和限製;提高瀝青混合料的承重能力。因表麵塗有特殊的改性瀝青使其具有兩重的複合性能,極大地提高了土工格柵的耐磨性及剪切能力。 有(you)時(shi)配(pei)合(he)自(zi)粘(zhan)感(gan)壓(ya)膠(jiao)和(he)表(biao)麵(mian)瀝(li)青(qing)浸(jin)漬(zi)處(chu)理(li),使(shi)格(ge)柵(zha)和(he)瀝(li)青(qing)路(lu)麵(mian)緊(jin)密(mi)結(jie)合(he)成(cheng)一(yi)體(ti)。由(you)於(yu)土(tu)石(shi)料(liao)在(zai)土(tu)工(gong)格(ge)柵(zha)網(wang)格(ge)內(nei)互(hu)鎖(suo)力(li)增(zeng)高(gao),它(ta)們(men)之(zhi)間(jian)的(de)摩(mo)擦(ca)係(xi)數(shu)顯(xian)著(zhu)增(zeng)大(da)(可達08~10),土(tu)工(gong)格(ge)柵(zha)埋(mai)入(ru)土(tu)中(zhong)的(de)抗(kang)拔(ba)力(li),由(you)於(yu)格(ge)柵(zha)與(yu)土(tu)體(ti)間(jian)的(de)摩(mo)擦(ca)咬(yao)合(he)力(li)較(jiao)強(qiang)而(er)顯(xian)著(zhu)增(zeng)大(da),因(yin)此(ci)它(ta)是(shi)一(yi)種(zhong)很(hen)好(hao)的(de)加(jia)筋(jin)材(cai)料(liao)。同(tong)時(shi)土(tu)工(gong)格(ge)柵(zha)是(shi)一(yi)種(zhong)質(zhi)量(liang)輕(qing),具(ju)有(you)一(yi)定(ding)柔(rou)性(xing)的(de)塑(su)料(liao)平(ping)麵(mian)網(wang)材(cai),易(yi)於(yu)現(xian)場(chang)裁(cai)剪(jian)和(he)連(lian)接(jie),也(ye)可(ke)重(zhong)疊(die)搭(da)接(jie),施(shi)工(gong)簡(jian)便(bian),不(bu)需(xu)要(yao)特(te)殊(shu)的(de)施(shi)工(gong)機(ji)械(xie)和(he)專(zhuan)業(ye)技(ji)術(shu)人(ren)員(yuan)。 玻纖土工格柵所起到的作用 1、減緩反射裂縫 fansheliefengshiyouyujiuhunningtumiancengzaijiefenghuoliefengfujindejiaodaweiyiyinqiqishangfangliqingjiapucengneichuxianyinglijizhongsuozaochengde,tabaokuoyinwenduheshidubianhuaerchanshengdeshuipingweiyi,yijiyinjiaotonghezaizuoyongerchanshengdeshuxiangjianqieweiyi。qianzhedaozhijiefenghuoliefengshangfangdeliqingjiapucengneichuxianjiaojizhongdelayingli;後者則使接縫上方的瀝青加鋪層經受較大的彎拉應力和剪切應力。 由於土工格柵的模量很大,達到67Gpa,zuoweigangdudadeyingjiacengyingyongzailiqingzhaomiancengzhong,qizuoyongshiyizhiyingli,shifangyingbian,tongshizuoweiliqinghunningtujiajincailiao,tigaojiapucengjiegoudekanglahekangjiannengli,congerdadaojianshaoliefengdemude。shijianbiaoming,yitiaogaibianlefangxiangdeshuipingliefengdeduiyingliefengnengliangkecongqiqidianyidong0.6米,1.5米以上寬度的加筋材料有助於確保能量在裂縫兩側完全消散。 2、抗疲勞開裂 zaijiushuinihunningtulumianshangdeliqingjiapuceng,qizhuyaozuoyongshitigaolumiandeshiyonggongneng,duichengzaizuoyongzegongxianbuda,jiapucengxiadegangxinghunningtulumianrengqiguanjiandechengzaizuoyong。erzaijiuliqinghunningtulumianshangjinxingliqingzhaomianzebutong,liqingjiapucengjiangyujiuliqinghunningtulumianyiqichengzai。yinci,zailiqinghunningtulumianshangjinxingliqingzhaomian,chulehuichuxianfansheliefeng,tongshihaihuiyinweihezaidechangqizuoyongerchuxianpilaokailie。womenduijiuliqinghunningtulumianshangdeliqingjiapucengshouheqingkuangzuoshoulifenxi:由you於yu瀝li青qing罩zhao麵mian層ceng下xia為wei與yu瀝li青qing罩zhao麵mian層ceng同tong一yi性xing質zhi的de柔rou性xing麵mian層ceng,當dang受shou到dao荷he載zai作zuo用yong時shi,路lu表biao將jiang發fa生sheng彎wan沉chen。在zai直zhi接jie與yu車che輪lun接jie觸chu的de瀝li青qing罩zhao麵mian層ceng受shou到dao壓ya力li,在zai輪lun載zai邊bian緣yuan以yi外wai的de區qu域yu,麵mian層ceng受shou到dao拉la力li作zuo用yong,由you於yu兩liang處chu受shou力li區qu域yu所suo受shou力li性xing質zhi不bu同tong,而er又you彼bi此ci緊jin靠kao,因yin此ci在zai兩liang塊kuai受shou力li區qu域yu的de交jiao界jie處chu即ji力li的de突tu變bian處chu容rong易yi發fa生sheng破po壞huai。在zai長chang期qi荷he載zai的de作zuo用yong下xia,發fa生sheng疲pi勞lao開kai裂lie。 boxiantugonggezhazailiqingzhaomiancengzhong,nenggoujiangshangshudeyayingliyulayinglifensan,zailiangkuaishouliquyuzhijianxingchenghuanchongdai,zaizheliyinglizhububianhuaerbushitubian,jianshaoleyinglitubianduiliqingzhaomiancengdepohuai。tongshiboxiantugonggezhadediyanshenlvjianxiaolelumiandewanchenliang,baozhenglelumianbuhuifashengguodubianxing。
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