He aha ka pale pale wai bentonite i hana ʻia me:
E kamaʻilio mua wau e pili ana i ka bentonite. Kapa ʻia ʻo Bentonite he montmorillonite. Wahi a kona ʻano kemika, ua māhele ʻia i ka calcium-based a me ka sodium-based. ʻO ke ʻano o ka bentonite ʻo ia ka pehu me ka wai. I ka wā e pehu ai ka bentonite me ka wai, hiki iā ia ke piʻi i kona leo ponoʻī. Hiki i ka sodium bentonite ke komo i ʻelima mau manawa o kona kaumaha ponoʻī i ka wā e pehu ai me ka wai, a ʻoi aku ka nui o kona hoʻonui ʻana ma mua o 20-28 mau manawa i kona nui ponoʻī. No ka mea ʻoi aku ka kiʻekiʻe o ka coefficient hoʻonui o ka pālani wai wai sodium bentonite, ua hoʻohana pinepine ʻia i kēia manawa. . Hoʻopaʻa ʻia ka sodium bentonite ma waena o nā papa geosynthetics ʻelua (ʻo ka lalo he geotextile i ulana ʻia, a ʻo ka luna he geotextile short-filament), kahi mea e pale ai a hoʻoikaika. ʻO ka mea pākeʻe i hana ʻia e ke kuʻi ʻana i ka nila ʻaʻole i ulana ʻia e loaʻa iā GCL kekahi ikaika ʻoki holoʻokoʻa.
ʻO nā pōmaikaʻi o ka pale pale wai bentonite:
1: Compactness: Ma hope o ka pehu sodium bentonite i loko o ka wai, e hana ia i ka membrane kiʻekiʻe ma lalo o ke kaomi wai, e like me 100 mau manawa o ka compactness o 30cm mānoanoa pālolo, a he mau waiwai paʻa wai ikaika.
2: Waterproof: No ka lawe ʻia ʻana o ka bentonite mai ke ʻano a hoʻohana ʻia i ke ʻano, ʻaʻole ia e ʻelemakule a ʻino paha ma hope o ka manawa lōʻihi a i ʻole ka hoʻololi ʻana o ke kaiapuni a puni, no laila ua lōʻihi ka hana wai. Akā ʻaʻole hiki ke hoʻohana ʻia i ka hoʻonā wai electrolyte kiʻekiʻe a me nā papahana anti-seepage.
3: Pono: ka hoʻohui ʻana o ka pale wai wai bentonite a me ke kaiapuni lalo. Ma hope o ka pehu ʻana o ka sodium bentonite me ka wai, hana ia i kahi kino paʻa me ka ʻaoʻao o lalo, hiki ke hoʻololi i ka hoʻonohonoho pono ʻole, a hiki ke hoʻoponopono i nā māwae ma ka ʻili o loko i loko o 2mm.
4: ʻO ka ʻōmaʻomaʻo a me ka palekana o ke kaiapuni: No ka lawe ʻia ʻana o ka bentonite mai ke ʻano, ʻaʻole ia e pili i ke kaiapuni a me nā kānaka.
5: Ka hopena i ke kaiapuni kūkulu: ʻAʻole pili i ka makani ikaika a me ke anuanu. Eia naʻe, ma muli o ka pehu ʻana o ka bentonite e pili ana i ka wai, ʻaʻole hiki ke hana ʻia ke kūkulu ʻana i nā lā ua.
6: Hana maʻalahi: Ke hoʻohālikelike ʻia me nā mea geotechnical ʻē aʻe, he maʻalahi ke kūkulu ʻana i ka pale wai wai bentonite a ʻaʻole pono i ka wili. Pono ʻoe e kāpīpī i ka pauka bentonite ma luna o ka uhi a hoʻoponopono me nā kui.
ʻO ke kumu o ka pale pale wai bentonite:
Hoʻohana kūikawā ʻia i nā loko kūlohelohe, waterscapes, landfills, underground garages, underground infrastructure construction, roof gardens, pools, oil depots, chemical storage yards and other projects to solve sealing, isolation, and anti-leakage pilikia, a me ke kū'ē ikaika i ka luku , The maikaʻi loa ka hopena.
Ka manawa hoʻouna: Oct-29-2021