1. Rage faɗuwar tunani
① Ƙwaƙwalwar tunani yana haifar da damuwa da damuwa a cikin kwalta mai rufi a sama da tsohon simintin simintin saboda babban ƙaura na tsohon simintin da ke kusa da haɗin gwiwa ko tsagewa. Ya haɗa da ƙaura a kwance wanda ya haifar da canje-canje a yanayin zafi da zafi, da ƙaurawar juzu'i a tsaye ta hanyar kaya. Tsohuwar yana haifar da matsananciyar damuwa mai ƙarfi a cikin rufin kwalta a sama da haɗin gwiwa ko fashewa; Wannan na ƙarshe yana haifar da rufin kwalta a sama da haɗin gwiwa don samun ƙarin damuwa mai sassauƙa da damuwa mai ƙarfi.
②Saboda modules na geogrid yana da girma sosai, yana kaiwa 67Gpa, ana amfani dashi azaman tsaka-tsakin tsaka-tsaki mai ƙarfi tare da tsayin daka a cikin rufin kwalta. Ayyukansa shine hana damuwa da sakin damuwa. A lokaci guda kuma, ana amfani da shi azaman kayan haɓakawa na kwalta don inganta tsarin da aka rufe Ana iya rage juriya da juriya don cimma manufar rage raguwa. Aiki ya nuna cewa daidaitaccen makamashin tsagewar da ke kwance wanda ya canza alkibla za a iya motsa shi da nisan mita 0.6 daga wurin farawa, kuma kayan ƙarfafawa tare da faɗin fiye da mita 1.5 suna taimakawa wajen tabbatar da cewa makamashin ya ɓace gaba ɗaya a bangarorin biyu. fasa.
2. Anti-gajiya fatattaka
① Babban aikin kwalta mai rufi a kan tsohon simintin simintin siminti shi ne inganta aikin amfani da shimfidar, amma ba ya taimakawa sosai ga tasirin. Tsayayyen shimfidar shimfidar wuri a ƙarƙashin rufin har yanzu yana taka muhimmiyar rawa. Rufaffen kwalta da ke kan tsohon kwalta ta kankare daban-daban, kwalta mai rufin zai ɗauki kaya tare da tsohon kwalta. Don haka, baya ga tsagewar tunani, tsagewar gajiya kuma za ta faru saboda dogon lokaci na tasirin lodi lokacin da aka yi rufin kwalta a kan shingen kwalta. Muna yin nazarin damuwa game da yanayin nauyin kwalta mai rufi a kan tsohon kwandon kwandon shara: tun da murfin kwalta yana da sassauƙa mai sassauƙa tare da kaddarorin da aka yi da kwalta, lokacin da aka yi lodi, filin hanya zai lanƙwasa. Shen. Matsakaicin saman kwalta kai tsaye tare da dabaran yana ƙarƙashin matsin lamba, kuma a cikin yanki ban da gefen ɗorawa na dabaran, saman saman yana ƙarƙashin tashin hankali. Tunda karfin ikon yankunan biyun da aka damu sun sha bamban kuma suna kusa da juna, mahadar rundunar, wato canjin karfi na kwatsam, yana saurin lalacewa. Gajiya ta fashe yana faruwa a ƙarƙashin kaya na dogon lokaci.
② Geogrid na fiberglass na iya tarwatsa abubuwan da aka ambata a sama na matsa lamba da damuwa mai ƙarfi a cikin saman saman kwalta, kuma su samar da yankin buffer tsakanin wuraren da aka damu biyu, inda damuwa ya canza sannu a hankali maimakon ba zato ba tsammani, yana rage tasirin damuwa kwatsam akan Lalacewa. na kwalta overlays. A lokaci guda, ƙananan haɓakar gilashin fiber geogrid yana rage karkatar da shimfidar wuri kuma yana tabbatar da cewa shimfidar ba za ta sami nakasar tsaka-tsaki ba.
3. Babban zafin jiki rutting
① Asphalt kankare yana da rheological Properties a high zafin jiki, wanda aka bayyana a cikin: kwalta hanya surface zama taushi da kuma m a lokacin rani; a ƙarƙashin aikin nauyin abin hawa, yankin da aka damu yana raguwa, kuma farfajiyar kwalta ba za ta iya dawo da kaya sosai ba bayan an cire nauyin abin hawa A ƙarƙashin aikin maimaita jujjuyawar abin hawa, nakasar filastik ta ci gaba da tarawa, ta haifar da rut. Bayan nazartar da tsarin da kwalta surface Layer, za mu iya sani cewa saboda rheological Properties na kwalta kankare a karkashin high zafin jiki, babu wani inji a cikin surface Layer cewa zai iya hana motsi na aggregates a cikin kwalta kankare a lokacin da aka loda. sakamakon motsi na kwalta surface Layer, Wannan shi ne babban dalilin samuwar ruts.
②Yi amfani da gilasan fiber geogrid a cikin saman saman kwalta, wanda ke taka rawar kwarangwal a cikin saman saman kwalta. Jimlar da ke cikin simintin kwalta yana gudana ta cikin grid, yana samar da tsarin haɗakarwa na inji, yana hana motsin jimlar, da kuma ƙara ƙarfin dauri na gefe a saman saman kwalta. turawa, ta yadda za a taka rawa wajen bijirewa rutsi.
4. Yi tsayayya da ƙananan zafin jiki na raguwa
①Hanyoyin kwalta a cikin wuraren sanyi mai tsanani, yanayin zafi a cikin hunturu yana kusa da yanayin iska. A karkashin irin wannan yanayin zafi, simintin kwalta yana raguwa lokacin sanyi, yana haifar da damuwa mai ƙarfi. Lokacin da matsananciyar damuwa ta zarce ƙarfin daɗaɗɗen kwalta na kankare, za a sami tsagewa, kuma za a sami tsagewa a wuraren da aka tattara tsaga, wanda zai haifar da cututtuka. Daga mahangar abubuwan da ke haifar da tsagewa, yadda za a sa ƙarfin kwalta ta kankare ta tsayayya da damuwa mai ƙarfi shine mabuɗin magance matsalar.
②A aikace-aikace na gilashin fiber geogrid a cikin kwalta surface Layer sosai inganta tensile ƙarfi na kwalta kankare, wanda zai iya tsayayya da babban tensile danniya ba tare da lalacewa. Bugu da kari, ko da danniya a wurin da tsagewar ya ta’allaka ne da yawa saboda tsagewar yankin, a hankali za ta bace ta hanyar watsa gilasan fiber geogrid, kuma tsagewar ba za ta kara zama tsagewa ba. Lokacin zabar gilashin fiber geogrid, ban da ma'aunin aikin sa ya kamata ya dace da buƙatun teburin da ke sama, ya kamata a ba da kulawa ta musamman don tabbatar da cewa faɗinsa bai ƙasa da 1.5m ba, don biyan buƙatun cewa yana da isasshen giciye. yanki na yanki don sarrafa fashe fashe a matsayin interlayer. Cikakkun watsar da makamashin fasa; a lokaci guda, girman raga ya kamata ya zama 0.5 zuwa sau 1.0 matsakaicin girman barbashi na kayan kwalta na saman Layer, wanda ke taimakawa wajen cimma matsakaicin mannewa mai ƙarfi da haɓaka haɗin gwiwa da tsarewa.
Lokacin aikawa: Oktoba-08-2022