Chosungira Simenti Cholimba Chophatikiza
Kufotokozera
Chosungira Simenti Cholimba Chophatikizandi chida chapamwamba kwambiri chosakhala chachitsulo chomwe chimagwiritsidwa ntchito makamaka pofinya simenti. Chimagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo kuyika simenti yoyamba ndi yokonzanso, kulamulira zitsime, komanso kusiya kwakanthawi, motero chimachotsa zofunikira zosungira ngati zida zosiyana zikafunika pa ntchito iliyonse.
Chosungiramo zinthu zophatikizika chimawonetsa nthawi yocheperako yochotsera poyerekeza ndi zosungiramo zinthu zophatikizika zachitsulo chopangidwa ndi chitsulo, zomwe zimapangitsa kuti zinthu zikhale ndi moyo wautali komanso kuchepa kwa chivundikiro chifukwa chochotsa. Izi zimachitika chifukwa cha kapangidwe kake ka chosungiramo zinthu kosakhala chitsulo, komwe kumapereka kubowola mwachangu popanda kuwononga magwiridwe antchito. Zipangizo zamakono zomwe zimapanga zigawo za chosungiramo zinthu zophatikizika zimalimbana ndi dzimbiri, ndizopepuka, ndipo zimaonetsetsa kuti zinthuzo zikhale ndi moyo wautali m'zitsime zotentha kwambiri. Palibe zomatira zomwe zimagwiritsidwa ntchito polumikiza zigawo zake panthawi yomanga.
Chosungiramo zinthu chophatikizana chimasanduka mosavuta kukhala pulagi yolumikizira. Malo olumikizirana pamwamba ndi pansi pa pulagi amatseka zotsalira zobowoledwa, zomwe zimachepetsa nthawi yobowoledwa.
Ntchito ndi Cholinga
A. Kupatula Malo Omwe Ali ndi Zitsime Zonyowa
Ntchito yaikulu ya chosungira simenti ndikupanga chotchinga cholimba komanso chosalowa madzi pakati pa madera osiyanasiyana a zitsime. Pankhani yomanga ndi kumaliza chitsime, chitsime nthawi zambiri chimabowoledwa kudzera m'mapangidwe osiyanasiyana a geological, chilichonse chili ndi mawonekedwe osiyana monga kuthamanga, kapangidwe ka madzi, ndi kulowa kwa madzi. Zosungira simenti zimayikidwa mwanzeru mkati mwa chitsime kuti zilekanitse madera awa, kupewa kusakanikirana kosafunikira kwa madzi. Kupatula kumeneku ndikofunikira kwambiri kuti chigawo chilichonse chikhale cholimba, kukonza magwiridwe antchito a dziwe, komanso kupewa zovuta monga kuyenda pakati pa madera opangira ndi operekera.
B. Kupewa Kusakaniza Madzi
Kusakaniza madzimadzi m'chitsime kungayambitse zotsatira zosafunikira, kuphatikizapo kuipitsidwa kwa madzi opangidwa, kuthamanga kwa madzi m'chitsime, komanso kuwonongeka kwa madzi m'chitsime. Zosungira simenti zimakhala ngati chotchinga choletsa kusamuka kwa madzi pakati pa madera, kuonetsetsa kuti ma hydrocarbon opangidwawo sakhala osadetsedwa ndikusunga bwino chilengedwe cha dziwe. Mwa kuletsa kuyenda kwa madzi, gasi, kapena madzi ena m'njira zosiyanasiyana, zosungira simenti zimathandiza kusunga mawonekedwe a dziwe komanso kukhala ndi moyo wabwino pachuma cha chitsime.
C. Udindo pa Ntchito Yomanga ndi Kumaliza Zitsime Zogwirira Ntchito
Pa nthawi yomanga zitsime, zosungira simenti ndi gawo lofunika kwambiri pa ntchito yomanga simenti. Pambuyo pobowola, chivundikiro chachitsulo chimalowa m'chitsime, ndipo malo ozungulira pakati pa chivundikirocho ndi kapangidwe kake amadzazidwa ndi simenti. Zosungira simenti zimathandiza kupanga chisindikizo chodalirika, kuonetsetsa kuti simentiyo yayikidwa bwino pomwe pakufunika kuti ipatule madera enaake. Mu gawo lomaliza, zosungira simenti zingagwiritsidwe ntchito poyika zida zosiyanasiyana zolowera pansi, monga zopakira, kuti ziwonjezere kusiyanitsa kwa zitsime ndi kukhazikika kwa zitsime.
Mwachidule, ntchito ndi cholinga cha zosungira simenti zimakhudza ntchito yawo yofunika kwambiri pakulekanitsa madera osiyanasiyana a zitsime, kupewa kusakanikirana kwa madzi, komanso kuthandizira kuti ntchito zonse zomanga ndi kumaliza zitsime zipambane mumakampani amafuta ndi gasi.
Mawonekedwe
- Kapangidwe kakang'ono kokhala ndi kukana kuthamanga kwambiri.
- Kuboola mosavuta komanso kugaya.
- Kugwira ntchito kamodzi kokha kumawonjezera magwiridwe antchito komanso kuchepetsa ndalama.
- Kugwira ntchito kodalirika kokhazikika mbali zonse ziwiri komanso kutseka.
Kapangidwe ndi Mfundo Yogwirira Ntchito
- Ntchito Zoyambira Zopangira Simenti
- Ntchito Zokonzanso
- Kukhulupirika ndi Kuchita Bwino
- Kusankha Kupatula kwa Malo
- Kuthandiza pa Kusweka kwa Madzi Othamanga
- Kumaliza ndi Zida Zotsikira Pansi
Njira Yogwirira Ntchito
Chosungira Simenti cha Vigor Composite chimayendetsedwa pamodzi ndi chida chokhazikitsira ndi chitoliro cholowetsa chomwe chimalumikizidwa kutsogolo kwa chidacho. Chitoliro chamkati cha chitoliro cholowetsa ndi
yokhala ndi valavu yotsetsereka, yomwe imatsegulidwa kapena kutsekedwa poika mphamvu kuchokera ku chingwe chogwirira ntchito kudzera mu mpira wogwetsa, zomwe zimathandiza kuti mphamvu ya mpweya iyende bwino mbali zonse ziwiri.
- Mukafika pamlingo womwe mukufuna, njira yotsekereza imakhalabe yotseguka kuti iyendetsedwe.
- Musanayambe kuyika, mpira umaponyedwa pa mpando wotsetsereka kuti utseke njira.
- Pamene mphamvu yogwiritsidwa ntchito yafika pamtengo wokonzedweratu, chosungiracho chimakhazikika, ndipo chotchingiracho chimatseguka, kuyambitsa simenti kapena cholumikizira chothandizira.
- Pambuyo pobayira, chitoliro cholowetsa chimatengedwa, ndipo pulagi yake yotsekera kutsogolo imatseka njira yapansi, ndikuchotsa simenti/cholumikizira pansi pa chosungira ku mphamvu ndi madzi a m'chitsime pamwamba.
Chizindikiro chaukadaulo
| Chikwama | Chogulitsa Chitsanzo | Kukula kwa Chosungira | Chiphaso cha Kachikwama | Kutulutsidwa Mphamvu | Max. Kugwira ntchito Kupanikizika | ||||
| OD | Giredi | OD | Utali | Finyani Bore | Zochepa. | Max. | KN | MPa | |
| Mu. | Mapaundi/ft | mm | mm | mm | mm | mm |
|
| |
| 4-1/2 | 9.5-13.5# | TY90JZ | 91 | 1050 | 20 | 97.1 | 103.8 | 120 | 50 |
| 5-1/2 | 15.5~23# | TY110JZ | 114 | 1050 | 30 | 118.6 | 125.7 | 150 | 50 |
| 7 | 17-32# | TY145JZ | 145 | 1250 | 40 | 154.8 | 166.1 | 180 | 50 |
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