Kodi ndi chiyani chomwe chiyenera kutsatiridwa pakuwongolera kutentha pakupanga phula la asphalt?
1. Kutentha kwapang'onopang'ono kwa phula nthawi zambiri kumakhala 135 ~ 175 ℃. Musanayambe kuyika phula, m'pofunika kuchotsa zinyalala pamtunda kuti mutsimikizire kuti m'munsi mwa msewuwu ndi wouma komanso woyera. Nthawi yomweyo, ndikofunikira kuwonetsetsa kuti kachulukidwe kachulukidwe ndi makulidwe apansi panthaka, omwe amayala maziko ofunikira a asphalt paving.


2. Kutentha kwa ulalo woyambira kukakamiza nthawi zambiri kumakhala 110 ~ 140 ℃. Pambuyo pa kukakamizidwa koyamba, ogwira ntchito zaluso ayenera kuyang'ana kutsetsereka ndi misewu yodutsamo, ndikuwongolera zovuta zilizonse nthawi yomweyo. Ngati pali kusintha kosinthika panthawi yogubuduza mayendedwe, mutha kudikirira mpaka kutentha kutsika musanagubuduze. Ngati ming'alu yopingasa ikuwoneka, yang'anani chomwe chayambitsa ndikuwongolera munthawi yake.
3. Kutentha kwa ulalo wokanikiziranso nthawi zambiri kumakhala 120 ~ 130 ℃. Chiwerengero cha ma rollings chiyenera kupitirira nthawi 6. Ndi njira iyi yokha yomwe ingatsimikizidwe kukhazikika ndi kulimba kwa msewu.
4. Kutentha kumapeto kwa kukakamiza komaliza kuyenera kukhala kwakukulu kuposa 90 ℃. Kuthamanga komaliza ndi sitepe yomaliza yochotseratu zizindikiro za magudumu, zolakwika ndikuonetsetsa kuti pamwamba pake pali flatness yabwino. Popeza kuphatikizika komaliza kumafunika kuthetsa kusagwirizana komwe kumatsalira pamwamba pamtunda panthawi yokonzanso ndikuonetsetsa kuti msewu wamtunda wamtunda ukuyenda bwino, kusakaniza kwa asphalt kumafunikanso kuthetsa kusakanikirana kwapamwamba koma osati kutentha kwambiri.