RO99197B1 - Procedeu de obtinere a unui ciment aditivat - Google Patents
Procedeu de obtinere a unui ciment aditivatInfo
- Publication number
- RO99197B1 RO99197B1 RO129410A RO12941087A RO99197B1 RO 99197 B1 RO99197 B1 RO 99197B1 RO 129410 A RO129410 A RO 129410A RO 12941087 A RO12941087 A RO 12941087A RO 99197 B1 RO99197 B1 RO 99197B1
- Authority
- RO
- Romania
- Prior art keywords
- cement
- additivated
- preparing
- index
- maximum
- Prior art date
Links
- 239000004568 cement Substances 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000654 additive Substances 0.000 abstract 2
- 230000000996 additive effect Effects 0.000 abstract 1
- 238000005056 compaction Methods 0.000 abstract 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 1
- 239000010440 gypsum Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a unui ciment aditivat, în procesul fabricatiei, destinat cimentarii sondelor cu adâncimea pâna la 4880m, care, în conditii de 120 degree C si 1113 at, asigura o fluiditate a pastei exprimata ca timp de îngrosare de minimum 190 min, al un raport apa/ciment=0,38 si o rezistenta mecanica, la 1605C si 207 at, la 8h, de minimum 3,5MPa. Cimentul este realizat prin macinarea unui clincher feroportland belitic (M indice A1=0,50...0,55; C indice ST =0,78...0,82), cu ghips, încât continutul de SO3 sa fie maximum 2% ti aditivi întârzietori ai timpului de îngrosare. Finetea de macinare a cimentului este de maximum 2350 cm la 3/g
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO129410A RO99197B1 (ro) | 1987-08-11 | 1987-08-11 | Procedeu de obtinere a unui ciment aditivat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO129410A RO99197B1 (ro) | 1987-08-11 | 1987-08-11 | Procedeu de obtinere a unui ciment aditivat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO99197B1 true RO99197B1 (ro) | 1990-07-30 |
Family
ID=40907273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO129410A RO99197B1 (ro) | 1987-08-11 | 1987-08-11 | Procedeu de obtinere a unui ciment aditivat |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO99197B1 (ro) |
-
1987
- 1987-08-11 RO RO129410A patent/RO99197B1/ro unknown
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