E ho'ōki i ka pepehi ʻana i kāu hui ʻana i ka pauma: ʻO ka ʻoiaʻiʻo Brutal e pili ana i ka ʻano Superplasticizer

E make ana kou Hui Pump. ʻO ka mea hoʻopiʻi ʻo kāu ʻano Superplasticizer.

E hoopakele au ia oe a $5,000 ninini a me ka poʻo nui. ʻO ka hewa hewa nui loa i ka pumped kaʻakū ke manaʻoʻiʻo nei inā maikaʻi kahi superplasticizer liʻiliʻi, ʻoi aku ka maikaʻi. ʻAʻole ia. ʻAʻole ʻoe e loaʻa hou ka hina. ʻAʻole ʻoe e maʻalahi i ka pahū. E loaʻa iā ʻoe kahi kaʻawale, kahe koko e hoʻopili i kāu laina a waiho i kahi nāwaliwali, papa māwae. Ua ʻike au i nā mea kanu lāʻau ʻōpio e hōʻino ana i nā ukana holoʻokoʻa no ka mea ua alualu lākou i kahi hiʻohiʻona kiʻekiʻe me kahi pana hou o PCE. E hooki. ʻO ka maikaʻi loa superplasticizer no ka paʻi paʻa noho ma ka puka aniani haiki loa. Nalo iā ia ma kahi hapaʻumi o ka pākēneka, a iā ʻoe ka hemahema.

ʻOi aku ka hewa ma mua o ka underdose: ʻO ka Spiral Make

Eia ka ʻoiaʻiʻo counterintuitive i ʻike ʻia e kēlā me kēia kanaka pahū ʻike: ʻoi aku ka wikiwiki o ka overdosing superplasticizer, ʻoi aku ka pōʻino o ka slump poho ma mua o ka underdosing. Hāʻawi ka underdosing iā ʻoe i ka ʻoʻoleʻa kaʻakū. Hoʻohoka, ʻAe. Akā, hiki ke hoʻomaʻamaʻa pinepine ʻia a mālama ʻia paha me ka ʻoluʻolu o ka wai. ʻO ka hoʻonui ʻana? Hoʻoulu ia i ka hopena kemika. ʻAi ka C3A i kāu sima i ka dispersant. Hāʻule ka hāʻule. Hiki koke ʻoe, ʻoʻoleʻa hewa. Hoʻohui hou aku ʻoe i nā mea hoʻohui. Hoʻi hou ka pōʻai. Lilo ke koʻi i mea pipili, kaumaha hiki ole ke hana. Piʻi kou puʻu paʻi. Kūkākūkā ka laina. A laila, kū. Ke wāwahi nei ʻoe i ka paipu. ʻO ka superplasticizer no ka paʻi paʻa ʻaʻole ia he manaʻo; he hoomanawanui.

ʻO ka Pahele Hoʻokaʻawale ʻAʻole ʻoe e ʻike

ʻAʻole ʻike koke ʻia ka dosage nui. I kekahi manawa, ʻike maikaʻi ke koʻa i loko o ka pahu. Kahe ia me he wai la. Manaʻo ʻoe ua lanakila ʻoe. A laila ʻoe e pāpaʻi 200 wāwae. ʻO ka haʻalulu a me ke kaomi e hoʻokaʻawale i ka paʻi mai ka hui. Hoʻopaʻa ka pōhaku koʻikoʻi ma ka mea hoʻemi. Holo mua ka moka. Loaʻa iā ʻoe kahi laina piha i ka pōhaku. Ke hōʻino nei ka mea hoʻohana i kou inoa. ʻAʻole kēia he pilikia lako. He kuhi hewa kēia. ʻO ka superplasticizer no ka paʻi paʻa Pono e helu pono ʻia e mālama i ka viscosity kiʻekiʻe lawa e hoʻokuʻu i ka aggregate ma lalo o ke kaomi pahū. Nui loa ka superplasticizer, a nalo aku kēlā viscosity.

ʻAʻole wahaheʻe ka ʻikepili: ʻO ka 0.5% i 3% pukaaniani

Mai lawe i ka'u olelo no ia mea. E nana i ka palapala. ʻO ka ACI 211.1 maʻamau, hui pū ʻia me nā makahiki he ʻikepili kahua mai ka NRMCA, hōʻoia i ka typical pono laula no kiʻekiʻe-wai ākea nā mea hoʻemi-ʻo nā superplasticizers e hiki ai ke hoʻomake ʻia 0.5% i 3% ma ke kaumaha o ka mea sima. ʻO ia kou pukaaniani. Akā, eia ke kicker: ʻaʻole ia he laulā pālahalaha. He PCE (polycarboxylate etera) E hana pinepine ka huahana i ka maikaʻi ma 0.6% i 1.2%. Pono paha kahi sulfonate naphthalene kahiko 1.5% i 2.5%. Ke koi ʻana i kahi PCE ma waho 1.5% me ka ʻole o ka hoʻāʻo hoʻohālikelike kikoʻī e noi ana i kahi kahe koko. Ua ho'āʻo wau 47 ʻokoʻa nā hui hoʻohui simenti i kaʻu ʻoihana. ʻAʻole i ʻoi aku ka laulā o ka laina ma waena o ke kahe kūpono a me ka pōʻino pōʻino 0.3% o ke kaumaha paʻa. E mālama i kēlā palena dosing.

ʻEhā mau ʻano like ʻole hiki iā ʻoe ke haʻalele

ʻAʻole hiki iā ʻoe ke hoʻonohonoho i kāu dosage ma ka pakuhi ma ka paia lab. ʻOiaʻiʻo pumped concrete is lokoino. Eia nā kumu ʻehā e hoʻopau ai i kāu superplasticizer no ka paʻi paʻa inā ʻoe e haʻalele iā lākou. Ka mua, sima maikaʻi. He sima me ka nani o Blaine 400 ʻO ka m2/kg e hoʻoulu i ka superplasticizer e like me ka ʻōhuʻu. Pono e piʻi kāu dosage. Ka lua, hoʻopili ʻana. He one makewai limestone me 2.5% ʻaihue ka absorption i ka wai mai kāu paʻi, e ho'ēmi ana i ka ratio w/c pono a me ka paʻakikī o ka hui, ʻoiai me ka nui superplasticizer kiʻekiʻe. Ke kolu, mahana wela. Every 5°C rise in ambient temperature can cut your slump retention by 30 minuke. You need to adjust the dose down or use a retarding version. Ka ʻehā, fly ash or slag. These mineral admixtures change the particle surface chemistry. A 20% fly ash replacement can allow a lower dosage, but a 50% slag replacement can require a 40% higher dose. E hoao. Never assume.

The Compatibility Test That Saves Your Job

Field Adjustments: The Art of the ‘Live’ Batch

Even with perfect lab data, field conditions shift. The aggregate pile gets wet from rain. The cement temperature spikes from the silo. The truck sits in traffic for an extra 20 minuke. You must adjust the superplasticizer no ka paʻi paʻa in real-time. But there is a rule: never adjust the dose on a single truck by more than 20% of the original recipe without a fresh trial batch. And never, e hoʻohui mau i ka superplasticizer ma hope o ka hoʻomaka ʻana o ke kaʻa. He ala ʻoiaʻiʻo ia e loaʻa ai ka loaʻa ʻana o ka ikaika a i ʻole ka ikaika. aka, mālama i ke kūlana ma ka hoʻomalu ʻana i ka wā hāʻawi. Inā ʻoʻoleʻa loa ka hele ʻana mai o ke kaʻa, e hoʻihoʻi a lahilahi i ka māmā laina, a i ʻole e noi i kahi haʻahaʻa wela haʻahaʻa. Mai mālama i ka superplasticizer e like me ka magic re-fluidizer. ʻAʻole ia. He mea hana kemika pololei. Hana ino ia, a e uhaʻi ʻo ia i kāu ʻuala.

ʻO ka Pahele Helu Helu: Litera vs. Pākēneka

ʻIke au i kēia kuhi hewa i kēlā me kēia lā ma nā kahua hana. A spec kahea no 1.5% superplasticizer ma ke kaumaha o ka mea hoʻopili. Hoʻopili ka mea hoʻohana pūʻulu 1.5% o 600 kg o ka mea sima, ʻo ia hoʻi 9 kg. Akā, ʻo kāna mea hoʻohui ʻia he wai me ka umekaumaha kikoʻī o 1.1. Pono ʻo ia e hoʻohana ma kahi o 8.2 lita. Manaʻo ʻo ia. A i ʻole, hoʻohana ʻo ia i ka ʻōlelo a ka mea hana i ʻōlelo ʻia ma nā lita o kēlā me kēia mika cubic me ka nānā ʻole ʻana i ka ʻike o ka mea hoʻopili. Inā haʻahaʻa ka mea hoʻopili, overdoses ʻo ia. Inā kiʻekiʻe, underdoses ʻo ia. ʻO ka superplasticizer no ka paʻi paʻa pono e hoike mau. Ke kauoha nei au i ʻelua helu helu: ʻO ka mua ma ke ʻano he pākēneka o ka mea hoʻopili ma ka nuipaʻa o ka paʻa ikaika, lua e like me ka leo no ka mika cubic o ke koki. Hoʻohālikelike iā lākou. Inā kū'ē lākou, he hewa helu kāu. E hoʻoponopono ma mua o ka hoʻopaʻa ʻia ʻana o ke kaʻa. ʻOi aku ka make o ka hewa kanaka ma mua o ka hana kemika.

ʻŌlelo Hope: Inā ʻaʻole ʻo ka ea ʻoi aku kou hoaloha

ʻO kahi pahele hope loa. ʻO ka overdosing me kekahi mau superplasticizers, ʻoi aku nā ʻano PCE ma nā pae kiʻekiʻe, hiki ke hoʻokomo i ka ea. Manaʻo ʻoe e loaʻa ana ka pumpability, akā, ke hoʻoikaika maoli nei ʻoe 7% i 9% ea. Hoʻemi kēlā ea i kou ikaika compressive ma 20% a ʻoi aku paha. Ke nānā aku nei ke koʻikoʻi piha a me ka momona, akā, ua hoʻopaʻapaʻa ʻia. Pume oe, piha i ka palapala, a hāʻule i ka 28-lā hoʻomaha cylinder. ʻO ka superplasticizer no ka paʻi paʻa Pono e hōʻoia ʻia me ka hoʻāʻo ʻana i ka ea hou ma kēlā me kēia ukana inā manaʻo ʻoe he overdose. Ina ua pau ke ea 4% no kahi hui maʻamau, he pilikia kou. Mai ʻae aku. E hoʻololi i ka dosage i lalo.

Ka Laina Lalo

Mai aʻo i kēia haʻawina ma ka hoʻomaʻemaʻe ʻana i kahi laina pauma i hoʻopaʻa ʻia a i ʻole ma ka haki ʻana i kahi puʻupuʻu nāwaliwali. ʻO ka superplasticizer no ka paʻi paʻa he hana kaulike maʻalahi. Koi mahalo. Ke koi nei i ka hoʻāʻo. Ke koi nei i ka ʻike kahua. ʻAʻole ʻoi aku ka maikaʻi. ʻO ia hoʻi, ʻo ia hoʻi, ʻo ia hoʻi, ua haki ʻia. E ho'āʻo i kāu mau mea. E helu i kāu nui. E aʻo i ka mālama ʻana i kou ʻuhane. E hilinaʻi i kāu pūʻulu hoʻāʻo. I kēia manawa e hele i waho a ninini i ke kaʻina hana. E hoʻomaikaʻi aku kāu mea hoʻokele pump a me kāu mea kūʻai aku.

Mea hoolako
ʻO ConcreteAndMore kahi mea hoʻolako honua i hilinaʻi ʻia i nā mea hoʻohui paʻa kiʻekiʻe a me nā mea hana kemika.. Me nā makahiki o ka ʻoihana loea, koʻikoʻi mākou i ka hāʻawi ʻana i nā hopena hou me nā polycarboxylate superplasticizers, nā pulupulu lāʻau, defoamers, mea hoohuehue, a me nā huahana hoʻokuʻu wela airgel kiʻekiʻe. Inā makemake ʻoe i ka hoʻohui ʻana, e ʻoluʻolu e hoʻokaʻaʻike mai iā mākou!