nkhani

Tsiku Lolemba: 16, Dise, 2024

Kuonjezera kuchuluka koyenera kwa konkriti kumatha kusintha makope oyambira komanso kukhazikika kwa konkriti. Konkriti yosakanizidwa ndi wothandizira woyamba nthawi zambiri amakhala ndi mphamvu yabwino; Kuonjezera kuchuluka koyenera kwamadzi mukasakaniza osakaniza kumatha kuchepetsa kuchuluka kwa madzi. Chiwerengero cha mmadzi chikakhala chochepa kwambiri, chimatha kuwonetsetsa kuti konkritiyo imapangidwa bwino komanso mphamvu yapamwamba 28 yopezedwa. Adndixtores amatha kusintha kachulukidwe ka simenti, onjezerani chotsatira pakati pa ophatikizika ndi simenti, ndikuwonjezera mphamvu yayitali ya konkriti yayitali. Chifukwa chake, ngati mukufuna kusintha mphamvu ndi machesi a konkriti, mutha kulingalira kuwonjezera madzi ochepetsa thupi kwambiri posakaniza osakaniza.

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Kutsika kwamadzi kumakhala ndi zabwino zowongolera kugwirira ntchito konkriti, kuchepetsa madzi, ndikuwongolera mphamvu, ndikusintha kukhazikika kwa kolondola. Komabe, mu njira yowerengera madzi ochepetsa madzi, ndikosavuta kunyalanyaza adsorption ya ufa mu konkriti pamadzi otsika. Madzi ochepetsa madzi otulutsa konkriti yotsika mtengo, ndipo ufa mu aggregate sukukwanira pambuyo pa adsorption. Komabe, madzi akutsika kwa konkriti yayikulu ndi yayikulu kwambiri, ndipo ma adsorption kutalika kwa ufa siwosiyana ndi ufa wamphamvu, womwe umapangitsa madzi otsika mphamvu kukhala otsika.

Mukamapanga kuchuluka kosakanikirana, kuchuluka kwa madzi kumangokhala bwino, osati zochuluka kwambiri kapena zochepa, zomwe ndizovuta kupanga zopanga komanso zimatsimikizira kukhazikika kwa mtundu wa konkriti. Ichi ndi cholinga chotsatiridwa ndi maluso a konkriti. Komabe, kaya zinthu zopangira ma conrite ndizomwe zimagwiritsidwa ntchito ndi zachilengedwe kapena zopangidwa, zofananira zina zimabweretsedwa. Chifukwa chake, popanga chiwerengero chosakanikiracho, zinthu za ufa wa zikwangwani za konkriti ziyenera kuwerengedwa mukamawerengera Mlingo wotsika.

Musanawerengere madzi ocheperako, kuchuluka kosakanikirana ndi madzi ochepetsa ku makonda a benchmark kumatsimikiziridwa chifukwa choyesa, kenako kuchuluka kwa ufa wosakaniza, ndipo kuchepa kwa madzi kumawerengedwa; Kenako mlingo wowerengedwa umagwiritsidwa ntchito kuwerengera madzi ochepetsa madzi amphamvu zina.

Ndi kugwiritsa ntchito mchenga wopangidwa ndi makina ndi kuwonjezeka kwa zinthu za ufa, ufa umatenga kapena kuwononga madzi ochepetsa madzi. Kuwerengera kuchuluka kwa madzi otsika madzi pogwiritsa ntchito ufa wonse wa zinthu zopangira simenti ndizosavuta kuwongolera ndipo ndizochulukirapo zasayansi.


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  • Post Nthawi: Dis-18-2024
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