Mu nyengo zosiyanasiyanakalvati yachitsulo yopangidwa ndi corrugatedMalangizo omanga nyumba si ofanana, nyengo yozizira ndi chilimwe, kutentha kwambiri ndi kutentha kochepa, malo ozungulira nyumba ndi osiyana, njira zomangira nyumba ndi zosiyana.
1.Njira zomangira ma corrugated culvert okhala ndi nyengo yotentha kwambiri
Ø Konkire ikapangidwa nthawi yotentha, madzi osakaniza ayenera kugwiritsidwa ntchito pokonza njira zoziziritsira kuti azitha kutentha kwa konkire pansi pa 30℃, ndipo kutentha kwambiri kuyenera kuganiziridwa. Konkire sayenera kusakanizidwa ndi madzi panthawi yoyenda.
Ø Ngati zinthu zilipo, ziyenera kuphimbidwa ndi kutetezedwa ku dzuwa kuti zichepetse kutentha kwa formwork ndi reinforcement; madzi amathanso kuthiridwa pa formwork ndi reinforcement kuti achepetse kutentha, koma sipayenera kukhala madzi osasunthika kapena omamatira mu formwork panthawi yothira konkire.
Ø Magalimoto onyamula katundu wa konkriti ayenera kukhala ndi zida zosakaniza, ndipo matanki ayenera kutetezedwa ku dzuwa. Ø Konkriti iyenera kusakanizidwa pang'onopang'ono komanso mosalekeza panthawi yoyendetsa ndipo nthawi yoyendera iyenera kuchepetsedwa.
Ø Fomu iyenera kuchotsedwa kutentha kukatsika masana ndipo pamwamba pa konkire payenera kunyowa ndi kutsukidwa kwa masiku osachepera 7 mutachotsa fomuyo.
2.Njira zomangirachitoliro chachitsulo chopangidwa ndi corrugatednthawi yamvula
Ø Ntchito yomanga nthawi yamvula iyenera kukonzedwa msanga, yesetsani kukonzekera kuti ichitike mvula isanagwe, malo osalowa madzi ozungulira dzenje kuti madzi ozungulira asalowe m'dzenjemo.
Ø Wonjezerani kuchuluka kwa madzi omwe amayesedwa pogwiritsa ntchito mchenga ndi miyala, sinthani chiŵerengero cha konkriti munthawi yake kuti muwonetsetse kuti simenti ikusakanikirana bwino.
Ø Mapaipi achitsulo opangidwa ndi corrugated culvert ayenera kulimbitsa kuti apewe dzimbiri. Ø Polumikiza mapaipi achitsulo opangidwa ndi corrugated culvert, payenera kukhazikitsidwa malo obisalira mvula kwakanthawi kuti apewe kuwonongeka ndi madzi amvula.
Ø Chisamaliro chapadera chiyenera kuperekedwa pa kuteteza mawaya amagetsi, bokosi lamagetsi la zida zamagetsi zomwe zili pamalopo liyenera kuphimbidwa ndipo njira zopewera chinyezi ziyenera kutengedwa, ndipo mawaya amagetsi ayenera kutetezedwa bwino kuti asatayike ndi ngozi zamagetsi.
3. Njira zomangira ma corrugatedchitoliro chachitsulo cha culvertm'nyengo yozizira
Ø Kutentha kwa malo ozungulira panthawi yowotcherera sikuyenera kutsika kuposa -20℃, ndipo njira ziyenera kutengedwa kuti tipewe chipale chofewa, mphepo ndi njira zina zochepetsera kusiyana kwa kutentha kwa malo olumikizirana. Malo olumikizirana pambuyo powotcherera ndi oletsedwa kwambiri kuti akhudze ayezi ndi chipale chofewa nthawi yomweyo.
Ø Chiŵerengero cha kusakaniza ndi kugwa kwa konkire chiyenera kulamulidwa mosamala posakaniza konkire m'nyengo yozizira, ndipo chophatikizacho sichiyenera kukhala ndi ayezi, chipale chofewa ndi zipolopolo zozizira. Musanadyetse, madzi otentha kapena nthunzi ziyenera kugwiritsidwa ntchito kutsuka poto yosakaniza kapena ng'oma ya makina osakaniza. Dongosolo lowonjezera zinthu liyenera kukhala chophatikiza ndi madzi poyamba, kenako onjezerani simenti mutasakaniza pang'ono, ndipo nthawi yosakaniza iyenera kukhala yayitali ndi 50% kuposa kutentha kwa chipinda.
Ø Kuthira konkriti kuyenera kusankha tsiku lowala bwino ndikuonetsetsa kuti lamalizidwa lisanazizire, ndipo nthawi yomweyo, liyenera kutetezedwa ndi kusamalidwa bwino, ndipo lisazizidwe lisanafike mphamvu ya konkriti yomwe ikufunika.
Ø Kutentha kwa konkriti kuchokera mu makina sikuyenera kutsika kuposa 10 ℃, zida zake zonyamulira ziyenera kukhala ndi njira zotetezera kutentha, ndipo ziyenera kuchepetsa nthawi yonyamulira, kutentha mu nkhungu sikuyenera kutsika kuposa 5 ℃.
Ø Magalimoto oyendera konkriti ayenera kukhala ndi njira zosungira kutentha, ndikuchepetsa nthawi yoyendera konkriti.
Nthawi yotumizira: Julayi-27-2025
