Ka lā i kau ai:17,Apr,2023
ʻO nā kinikona pōʻino e pili ana i nā kemika nui loa a me nā kemika ʻē aʻe he mea ʻawaʻawa, ʻino, pahū, pahū, kākoʻo puhi ahi a pōʻino i ke kino kanaka, nā hale a me ke kaiapuni.
ʻO nā mea hana hoʻohaʻahaʻa wai kiʻekiʻe no ka lāʻau paʻa ka nui o ka naphthalene series, melamine series a me nā mea hoʻohaʻahaʻa wai i hoʻohui ʻia mai ia mau mea, ʻo ia ka naphthalene series ka mea nui, helu no 67%. ʻAʻole kemika weliweli ka moʻo Naphthalene a me ka melamine. No laila, ʻaʻole pili ka superplasticizer konikō i ka māhele o nā kemika weliweli.
ʻO ka admixture hiki ke hoʻemi nui i ka nui o ka wai hui ʻana ma lalo o ke ʻano o ka slump o ke koʻikoʻi i kapa ʻia he mea hoʻohaʻahaʻa wai kiʻekiʻe.
ʻO ka nui o ka hoʻohaʻahaʻa wai o ka mea hoʻohaʻahaʻa wai kiʻekiʻe e hiki ke piʻi ma mua o 20%. Hoʻokumu ʻia ia me nā moʻo naphthalene, melamine series a me nā mea hoʻohaʻahaʻa wai i hoʻohui ʻia mai ia mau mea, ʻo ia ka naphthalene series ka mea nui, ʻo 67%. ʻOi aku ma Kina, ʻo ka hapa nui o nā superplasticizers he naphthalene series superplasticizers me ka naphthalene ma ke ʻano kumu kumu. Naphthalene series superplasticizer hiki ke hoʻokaʻawale ʻia i nā huahana kiʻekiʻe (Na2SO4 maʻiʻo <3%), nā huahana kūwaho (Na2SO4 maʻiʻo 3% ~ 10%) a me nā huahana haʻahaʻa (Na2SO4 maʻiʻo> 10%) e like me ka ʻike o Na2SO4 i kāna huahana . Hiki i ka hapa nui o naphthalene series superplasticizer synthesis mea kanu ke hoʻomalu i ka ʻike o Na2SO4 ma lalo o 3%, a hiki i kekahi mau ʻoihana holomua ke hoʻomalu iā ia ma lalo o 0.4%.
Ka laulā o ka noi:
Hoʻohana ʻia ia i ka precast a me ka hoʻolei ʻana i ka pahu i hoʻopaʻa ʻia i loko o nā hale ʻoihana like ʻole a me nā hale kīwila, mālama wai, ka lawe ʻana, nā awa, ke kūlanakauhale a me nā papahana ʻē aʻe.
Ua pili i ka ikaika kiʻekiʻe, ultra-kiʻekiʻe-ikaika a me ka medium-ikaika paʻa, a me ka mea hao e koi ana i ka ikaika mua, haʻahaʻa hau kū'ē a me ka wai kiʻekiʻe.
ʻO nā mea i hana mua ʻia i kūpono no ka hana hoʻōla mahu.
He kūpono ia no ka hana ʻana i nā ʻāpana hoʻohaʻahaʻa wai a hoʻoikaika i nā ʻāpana (ʻo ia hoʻi masterbatch) o nā ʻano hui like ʻole.
ʻAʻole pili i. He mau mea pahū nā kemika weliweli. Eia nō naʻe, ʻaʻohe mea pahū a pahū ka superplasticizer maʻamau, no laila ʻaʻole pili ka superplasticizer i nā kemika weliweli.
Ka manawa hoʻouna: Apr-17-2023
