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특허 상세정보

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Method for increasing the rate of compressive strength gain in hardenable mixtures containing fly ash

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C04B-007/12    C04B-007/13   
미국특허분류(USC) 106/710 ; 106/705 ; 106/709 ; 106/816
출원번호 US-0427045 (1995-04-24)
발명자 / 주소
  • Liskowitz John W. (Belle Mead NJ) Wecharatana Methi (Parsippany NJ) Jaturapitakkul Chai (Bangkok THX) Cerkanowicz
  • deceased Anthony E. (late of Livingston NJ by Elizabeth M. Cerkanowicz
  • executrix
출원인 / 주소
  • New Jersey Institute of Technology (Newark NJ 02)
인용정보 피인용 횟수 : 59  인용 특허 : 0
초록
▼

The present invention relates to concrete, mortar and other hardenable mixtures comprising cement and fly ash for use in construction. The invention provides a method for increasing the rate of strength gain of a hardenable mixture containing fly ash by exposing the fly ash to an aqueous slurry of calcium oxide (lime) prior to its incorporation into the hardenable mixture. The invention further relates to such hardenable mixtures, e.g., concrete and mortar, that contain fly ash pre-reacted with calcium oxide. In particular, the fly ash is added to a slur...

대표
청구항
▼

A method for increasing the early rate of strength gain of a hardenable mixture containing fly ash comprising exposing fly ash to an aqueous slurry of an alkaline material prior to incorporation of the fly ash in a hardenable mixture, wherein the fly ash is characterized by at least 99% of the particles having a particle size of less than 20 microns and having a fineness defined by a fineness modulus of less than about 600, wherein the fineness modulus is calculated as the sum of the percent of fly ash retained on sieves of 0, 1, 1.5, 2, 3, 5, 10, 20, 45...

이 특허를 인용한 특허 (59)

  1. Benkley, James Robert; Brenneis, D. Chad; Roddy, Craig W., Acid-soluble cement compositions comprising cement kiln dust and methods of use.
  2. Brenneis, D. Chad; Roddy, Craig W.; Benkley, James R.; DePlacido, Preston; Caveny, William J.; Morgan, Rickey L.; Morgan, Ronnie G., Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use.
  3. Naji,Basil; O'Chee,Milton, Additive for dewaterable slurry and slurry incorporating same.
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  5. Lloyd, Redmond Richard; Keyte, Louise Margaret; Hill, Russell L.; Zhang, Zhaozhou; Hollett, Mark; Ai, Li, Calcium sulfoaluminate cement-containing inorganic polymer compositions and methods of making same.
  6. Price, Charles E., Cementitious compositions and methods of making and using.
  7. Naji,Basil; O'Chee,Milton, Coatings for building products and dewatering aid for use with same.
  8. Naji, Basil; O'Chee, Milton, Coatings for building products and methods of making same.
  9. Naji, Basil; O'Chee, Milton, Coatings for building products and methods of using same.
  10. Lyons, David; Sukkar, Theresa, Composite cement article incorporating a powder coating and methods of making same.
  11. Naji, Basil; Cottier, John Sydney; Lyons, Robert, Composite product.
  12. Hill, Russell L.; Crocco, Guy; Majors, Russ K., Composites formed from an absorptive filler and a polyurethane.
  13. Baldrey Kenneth Eugene ; Bisque Ramon Edward ; Durham Michael Dean ; Jackson Douglas W., Composition apparatus and method for flue gas conditioning.
  14. Chatterji, Jiten; Brenneis, Darrell Chad; Adams, Baya; Roddy, Craig Wayne, Compositions comprising kiln dust and wollastonite and methods of use in subterranean formations.
  15. Chatterji, Jiten; Brenneis, Darrell Chad; Adams, Baya; Roddy, Craig Wayne, Compositions comprising kiln dust and wollastonite and methods of use in subterranean formations.
  16. Roddy, Craig W.; Morgan, Ronnie G.; Benkley, James R.; Brenneis, D. Chad, Compositions containing kiln dust and/or biowaste ash and methods of use.
  17. Chatterji, Jiten; Brenneis, D. Chad; Keys, Crystal L.; Benkley, James R.; Roddy, Craig W.; Morgan, Ronnie G.; Morgan, Rickey L., Consolidating spacer fluids and methods of use.
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  21. Naji, Basil; Merkley, Donald J.; Zammit, Michael; Luo, Caidian, Durable medium-density fibre cement composite.
  22. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  23. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  24. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  25. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  26. Hemmings,Raymond T.; Hill,Russell L.; Cornelius,Bruce J., Filler comprising fly ash for use in composites.
  27. Hemmings, Raymond T.; Hill, Russell L.; Cornelius, Bruce J., Filler comprising fly ash for use in polymer composites.
  28. Hemmings, Raymond T.; Hill, Russell L.; Cornelius, Bruce J., Filler comprising fly ash for use in polymer composites.
  29. Comer John Philip ; Baldrey Kenneth Eugene ; Wurster John ; Sterner Robert P., Fly-ash slurry with solidification retardant.
  30. Benkley, James Robert; Spencer, Joseph V.; Kranz, Zachary Robert; Garrison, Christopher Jay; Brenneis, D. Chad; Roddy, Craig W., Foamed spacer fluids containing cement kiln dust and methods of use.
  31. Benkley, James Robert; Spencer, Joseph V.; Kranz, Zachary Robert; Garrison, Christopher Jay; Brenneis, D. Chad; Roddy, Craig W., Foamed spacer fluids containing cement kiln dust and methods of use.
  32. Hill, Russell L.; Majors, Russ, Inorganic polymer/organic polymer composites and methods of making same.
  33. Pike,Clinton W.; Nordmeyer,David H., Masonry, mortar, and stucco cement compositions.
  34. Roddy, Craig W.; Chatterji, Jiten; Brenneis, Chad; Jarratt, Callie R., Methods and compositions comprising cement kiln dust having an altered particle size.
  35. Roddy, Craig W.; Chatterji, Jiten; Brenneis, Chad; Jarratt, Callie R., Methods and compositions comprising cement kiln dust having an altered particle size.
  36. Chatterji, Jiten; Morgan, Ronnie G.; Roddy, Craig W.; Benkley, James R.; Brenneis, D. Chad, Methods and systems for evaluating a boundary between a consolidating spacer fluid and a cement composition.
  37. Morgan, Ronnie G.; Brenneis, D. Chad; Roddy, Craig W., Methods for determining reactive index for cement kiln dust, associated compositions and methods of use.
  38. Morgan, Ronnie G.; Brenneis, D. Chad; Roddy, Craig W., Methods for determining reactive index for cement kiln dust, associated compositions and methods of use.
  39. Morgan, Ronnie G.; Brenneis, D. Chad; Roddy, Craig W., Methods for determining reactive index for cement kiln dust, associated compositions, and methods of use.
  40. Brenneis, D. Chad; Roddy, Craig W.; Karcher, Jeffery D.; Hudgins, Callie R., Methods of plugging and abandoning a well using compositions comprising cement kiln dust and pumicite.
  41. Baldrey, Kenneth E.; Durham, Michael D., Oxidizing additives for control of particulate emissions.
  42. Price, Charles E., Packaging for particulate and granular materials.
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  45. Brenneis, D. Chad; Roddy, Craig W.; Morgan, Rickey L.; Morgan, Ronnie G., Sealant compositions comprising cement kiln dust and tire-rubber particles and method of use.
  46. Barbour, Ronald Lee, Settable composition containing cement kiln dust.
  47. Roddy, Craig W.; Chatterji, Jiten; Brenneis, D. Chad; Jarratt, Callie R., Settable compositions comprising cement kiln dust and rice husk ash and methods of use.
  48. Karcher, Jeffery D.; Brenneis, D. Chad; Roddy, Craig W.; Benkley, James R., Settable compositions comprising interground perlite and hydraulic cement.
  49. Karcher, Jeffery Dwane; Brenneis, D. Chad; Roddy, Craig W.; Benkley, James R., Settable compositions comprising interground perlite and hydraulic cement.
  50. Brenneis, Chad; Karcher, Jeffery; Roddy, Craig W., Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations.
  51. Brenneis, Chad; Karcher, Jeffery; Roddy, Craig W., Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations.
  52. Brenneis, Chad; Karcher, Jeffery; Roddy, Craig W., Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations.
  53. Benkley, James Robert; Brenneis, Chad D.; Roddy, Craig W., Spacer fluids containing cement kiln dust and methods of use.
  54. Benkley, James Robert; Brenneis, D. Chad; Roddy, Craig W., Spacer fluids containing cement kiln dust and methods of use.
  55. Bland, Alan E., Stable consolidated combustion ash material.
  56. Cottier, John Sydney; Cowen, December Rose; Dunoyer, Remi; Duselis, Steven; Gleeson, James Albert; Kumar, Amitabha, Structural fiber cement building materials.
  57. Silva, Denise A.; Cheung, Josephine; Sandberg, Paul; Roberts, Lawrence; Subramanian, Durga V.; Gallagher, John L.; Kuo, Lawrence L., Suppression of antagonistic hydration reactions in blended cements.
  58. Duselis, Steven Alfred; Gleeson, James; Kascelan, Tihomir; Lyons, David; O'Chee, Milton Terrence, Surface sealed reinforced building element.
  59. Lakshmanan, Vaikuntam Iyer; Sridhar, Ramamritham; Mailvaganam, Noel Paul; Malhotra, V. Mohan, Treatment of fly ash.

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