Ngwaahịa
Ihe na-ebelata mmiri Polycarboxylic Acid
Norm arụ ọrụ
GB8076-2008 Concrete Adxtures;JG / T223-2007 Na-arụ ọrụ dị elu Polyarboxylic acid na-ebelata mmiri;Nkọwapụta nka na ụzụ GB50119-2003 maka ngwa nke ihe mgbakwunye ihe.
Ndekọ arụmọrụ
1. Ngwaahịa a nwere oke mbelata mmiri dị mma, na-arụ ọrụ dị mma nke na-ebelata mmiri n'okpuru ọnụ ọgụgụ dị ala na-agwakọta, karịsịa na ọkwa ọkwa dị elu (n'elu C50) mmetụta, ọnụ ọgụgụ mmiri ya nwere ike iru 38%.
2. Ngwaahịa a nwere ezigbo ike mmalite na nkwalite nkwalite, na ike mmalite na nkwalite nke ihe a na-agwakọta n'ime ngwaahịa a dị elu karịa ụdị ndị ọzọ na-ebelata mmiri.
3. Ngwaahịa ahụ nwere ọdịnaya gas kwesịrị ekwesị, a pụkwara ịhazi ya dịka ezigbo mkpa nke ọrụ ahụ si dị.
4. Ngwaahịa a enweghị ion chloride, sodium sulfate, na obere alkali ọdịnaya, ọ dịghị corrosion na ígwè ogwe, n'ihi ya, ọ nwere ike imeziwanye ihe anwụ ngwa ngwa.
5. Ngwaahịa a nwere nkwụsi ike nke nha, ihe a gwakọtara n'ime ngwaahịa ahụ nwere ike imeziwanye nkwụsị ya na ịrụ ọrụ mgbagwoju anya, ma belata ihe ize ndụ mgbape.
6. Ngwaahịa a nwere ezigbo ọrụ nchebe mmiri, enweghị mmịpụta mmiri, enweghị nyocha nkewa, dị mfe iji nweta ọrụ owuwu.
7. Ngwaahịa a enweghị formaldehyde, ọ dịghị ego ntọhapụ amonia, bụ ihe na-ebelata mmiri na gburugburu ebe obibi.
Ihe ngosi nka
| Ihe, anya | iru eru | |
| elu | Ọcha ọcha ma ọ bụ icha mmirimmiri ntụ ntụ | |
| Uru PH (20% ngwọta mmiri) | 9.0±1.0 | |
| Njupụta njupụta (g / l) ≥ | 450 | |
| Ọdịnaya Chlorine bụ% ≤ | 0.6 | |
| Ngụkọta ego ntọala bụ% ≤ | 5 | |
| Ọdịnaya sodium sulfate bụ% ≤ | 5 | |
| Net slurry eruba ogo ciment bụ mm | 280 | |
| Ọnụego mbelata mmiri bụ% ≥ | 25 | |
| ọdịnaya ikuku% | 3.0-6.0 | |
| uru njide slump mm | Nkeji 30 ≥ | 200 |
|
| 60min ≥ | 160 |
| Oke ike mkpakọ nke% ≥ | 3d ≥ | 160 |
|
| 7d ≥ | 150 |
|
| 28d ≥ | 140 |
| Oke mmamịrị nrụgide ruo% ≤ | 90 | |
| Ọnụ ego mgbanwe na oge 1h, slump mm | 180 | |
| Ọnụego mmepụta mmiri bụ% ≤ | 60 | |
| Ọdịiche condenstime (ụdị ọkọlọtọ) min | mbụ set | -90 ~ +120 |
|
| ikpeazụ set |
|
| Oke nbibi% ≤ | 110 | |
| Ndekọ ogologo ogologo oge bụ% ugboro 200 | Dabere na ọnọdụ ọrụ | |
| Mmetụta nchara nke nchara nchara | enweghi | |
Ụzọ na ịkpachara anya
1. Na-atụ aro ịgwakọta ego: 0.6 ~ 2.5% (gbakọọ si gel ihe, nke a Ịgwakọta ego bụ akwadoro Ịgwakọta ego, na kpọmkwem nkezi kwesịrị n'ikpeazụ kpebisie ike mgbe nhazi ratio ule dị ka n'ezie ọnọdụ).
2. Enwere ike ịgbakwunye ngwaahịa a na igwekota n'otu oge na mmiri na-agwakọta iji chịkwaa njehie nha n'ime 1% na oge ịgbatị oge maka 30s, mmiri na ngwọta kwesịrị iwepụ na mmiri na-agwakọta.
3. A gaghị eji ngwaahịa a na-eji mmiri na-ebelata mmiri naphthalene eme ihe, a ga-akwụkwa nlebara anya na ịsacha tankị nchekwa mgbe ọ na-edochi admixture.
4. Ngwaahịa a bụ bottled na kwesịrị ịchekwa na ebe dị jụụ na akọrọ nke 0-40 ℃, ṅaa ntị na mmiri na-adịghị, mmebi na ndụ ndụ nke otu afọ.
Ọrụ nka nka
1. Ụlọ ọrụ anyị nwere ike ịnye ọrụ teknụzụ dị mkpa maka injinịa ihe.
2. Dị ka mkpa nke onye òtù ọlụlụ, anyị ụlọ ọrụ nwere ike inye oru ọrụ dị ka ihe mix ratio imewe, ewu usoro njikarịcha (accelerated ewu oge na ego ịzọpụta), ewu usoro akara, ihe mmezi na ọgwụgwọ na ndị ọzọ metụtara oru ọrụ.
