Tsiku Lolemba:2, Jan,2024
Kugwiritsa ntchito ma acretectictumes a konkriti kumathandiza kwambiri kuchepa kwa konkriti konkriti ndikuchepetsa kuchuluka kwa zinthu za ceremiten ku konkriti. Chifukwa chake, alonda a konkriti amagwiritsidwa ntchito kwambiri. Pochita zokhala nthawi yayitali, zimapezeka kuti malo ambiri osakanikirana alibe kusamvana pogwiritsa ntchito adndimetet, chifukwa chochepa kwambiri, kapena kugwirira ntchito monkriti yosakaniza.
Kuzindikira kugwiritsa ntchito koyenera kumatha kukulitsa mphamvu ya konkriti pomwe kusunga kusakanikirana mtengo sikunasinthe; kapena kuchepetsa mtengo wosakaniza mukamakhala ndi konkriti; Sungani chiwerengero cha mmadzi cha simenti, kusintha magwiridwe antchito a konkriti.
A.Kusamvetsetsana wamba za kugwiritsa ntchito ma admixtives
(1) Kugula ma Adminixtures pamitengo yotsika
Chifukwa cha mpikisano wamagetsi wowopsa, malo osakanikirana ali ndi ulamuliro wopitilira kugula kwa zinthu zopangira. Kusakaniza malo onse akuyembekeza kugula zinthu zosaphika pamtengo wotsika kwambiri, ndipo zomwezo zimachitika. Mitundu yosakanikirana imayendetsa mtengo wogula wa Adrectimes, zomwe zimapangitsa kuti opanga azingotsika. Mwambiri, njira zovomerezeka zovomerezeka sizimadziwika kawirikawiri pantchito zosakaniza za kusakaniza mbewu. Ngakhale zilipo, kumangotengera zofunikira zapadziko lonse, komanso zofunikira zadziko nthawi zambiri zimakhala miyezo yotsika kwambiri. Izi zikutsimikizira kuti opanga ena akakhala kuti ali ndi phindu pamtengo wotsika, ma addictures omwe amapereka ndizakudya zambiri, zomwe zimapangitsa kuti zikhale zovuta kukwaniritsa zofunikira za malo osakanikirana kuti mugwiritse ntchito Admixtares.
(2) Chepetsa kuchuluka kwa zowonjezera
Kupanga zisankho za malo osakanikirana mosakanikirana mosamalitsa mtengo wosakanikirana, ndipo ali ndi zofunikira zomveka bwino pamlingo wa simenti ndi Mlingo wophatikizidwa. Izi zimayambitsa dipatimenti yaukadaulo yosalimbana ndi kupanga chisankho'Mlingo wokwanira kuzowonjezera posankha gawo losakanikirana.
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Pakadali pano, poyendera ma admixtives, malo osakanikirana kwambiri amachititsa imodzi kapena ziwiri zazowoneka zolimba, kuchepetsa madzi, kachulukidwe, ndi madzi abwino. Magawo ochepa osakanikirana amachititsa mayeso a konkriti.
Popanga zigawo, tidapeza kuti ngakhale zitakhala zolimba, kuchepa kwa madzi, kachulukidwe kake ndi zizindikiro zina za kuphatikizika kukwaniritsa kusakaniza koyambirira, ndiye kuti, Kuchepetsa kwa madzi kuzengereza sikukwanira. , kapena kusasinthika kolakwika.
B. Zovuta za kugwiritsa ntchito molakwika ma admixtive zabwino ndi mtengo
Chifukwa cha kuchuluka kwa ma adminictututes ogulidwa pamitengo yotsika, kuti ikwaniritse madzi ochepetsa madzi, madipatimenti aukadaulo nthawi zambiri amawonjezera mlingo wa Adminixuttures, zomwe zimapangitsa kukhala ndi cholinga chochepa kwambiri. M'malo mwake, malo ena osakanikirana ndi chiwongolero chokhazikika komanso kusakaniza mtengo wokwanira kuchuluka kwa ndalama zambiri amagwiritsa ntchito njira zabwino komanso mitengo yapamwamba. Chifukwa chogwira ntchito kwambiri komanso chochepa kwambiri, mtengo wa Adminial umachepa.
Malo ena osakanikirana amachepetsa kuchuluka kwa akwati. Pamene kutsika kwa konkriti sikukukwanira, dipatimenti yaukadaulo imachepetsa mchere wa mchenga ndi mwala, kapena kuwonjezera manyowa pa simenti pa konkriti. Madipatimenti aukadaulo okhala ndi mtundu wambiri kapena wonjezerani kumwa madzi konkriti ndipo nthawi yomweyo amawonjezera kuchuluka kwa zinthu zomwe zimapangitsa kuti zikhale zosasinthika), zomwe zimayambitsa mtengo wa konkriti yosakaniza.
Malo osakanikirana alibe chitsimikizo chowunikira ndi kuyeserera kwa Adminictures. Pamene mtundu wa zowonjezera umasinthasintha (umachepetsa), dipatimenti yaukadaulo imagwiritsabe ntchito gawo loyambirira losakaniza. Pofuna kukumana ndi zofuna za konkriti, kumwa kwa konkriti kumawonjezeka, kuchuluka kwa madzi kumawonjezeka, ndipo mphamvu ya konkriti imachepa.
Post Nthawi: Jan-02-2024
