1. An aluminosilicate geopolymer composition comprising the reaction product of a thermally activated aluminosilicate mineral; a calcium aluminate cement; a calcium sulfate selected from the group consisting of calcium sulfate dihydrate, calcium sulfate hemihydrate, anhydrous calcium sulfate and mixtures thereof; a chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base and mixtures thereof, and water.
2. The aluminosilicate geopolymer composition of claim 1 comprising the reaction product of about 35 to about 96% by weight of the thermally activated aluminosilicate mineral, about 2 to about 45% by weight of the calcium aluminate cement, about 1 to about 45% by weight of the calcium sulfate, about 1.0 to about 6.0% by weight of the chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base, and water.
3. The composition of claim 1, wherein the chemical activator comprises an alkali metal citrate and the thermally activated aluminosilicate mineral comprises Class C fly ash.
4. The composition of claim 1, comprising a reaction product of amounts of the chemical activator and calcium sulfate relative to the amounts of the thermally activated aluminosilicate mineral and calcium aluminate cement effective to cause the reaction product to set in a predetermined time after mixing with water.
5. The composition of claim 4, wherein the amounts of the chemical activator and calcium sulfate relative to the amounts of thermally activated aluminosilicate mineral and calcium aluminate cement are effective to cause the reaction product to set in about 120 minutes or less after mixing with water.
6. The composition of claim 1, comprising a reaction product of an amount of calcium aluminate cement relative to the amounts of the chemical activator, calcium sulfate and thermally activated aluminosilicate mineral effective to cause the reaction product to set in a predetermined time after mixing with water.
7. The composition of claim 6, wherein the amount of calcium aluminate cement relative to the amounts of chemical activator, calcium sulfate and thermally activated aluminosilicate mineral is effective to cause the reaction product to set in about 120 minutes or less after mixing with water.
8. The composition of claim 1, comprising a reaction product of an amount of calcium aluminate cement, calcium sulfate and chemical activator relative to the amount of thermally activated aluminosilicate mineral effective to limit shrinkage of the composition to less than about 0.3%.
9. The composition of claim 8, wherein the shrinkage of the composition is limited to less than about 0.05%.
10. The composition of claim 1 wherein the reaction product is formed from water and a thermally activated aluminosilicate mineral comprising about 40% to about 85% by weight thermally activated aluminosilicate mineral and Class C fly ash; about 6% to about 40% by weight calcium aluminate cement, about 3.0% to about 24% by weight calcium sulfate, and about 1.25 to 4.00% by weight chemical activator.
11. The composition of claim 1 wherein the reaction product is formed from water; and about 50% to about 80% by weight of a thermally activated mineral comprising Class C fly ash, about 10% to about 36% by weight calcium aluminate cement, about 5.0% to about 18% by weight calcium sulfate, and about 1.25 to 4.00% by weight chemical activator.
12. The composition of claim 1 wherein the reaction product is formed from calcium sulfate with an average particle size from about 1 to about 100 microns.
13. The composition of claim 1 wherein the reaction product is formed from water; and a thermally activated aluminosilicate mineral; a calcium aluminate cement; a calcium sulfate selected from the group consisting of calcium sulfate dihydrate, calcium sulfate hemihydrate, anhydrous calcium sulfate and mixtures thereof; a chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base; and less than about 15% by weight Portland cement.
14. The composition of claim 1 having a 4-hour compressive strength from about 1000 psi (6.9 MPa) to about 2500 psi (17.2 MPa)
15. The composition of claim 1 having a 24-hour compressive strength about 1500 psi (10.3 MPa) to about 3500 psi (24.1 MPa).
16. The composition of claim 1 having a 28-day compressive strength from about 3500 psi (24.1 MPa) to about 10,000 psi (69 MPa).
17. The composition of claim 1 having a water saturated compressive strength at 28-days from about 3500 psi (24.1 MPa) to about 10000 psi (69 MPa).
18. The composition of claim 1 having a 4-hour compressive strength from about 1000 psi (6.9 MPa) to about 2500 psi (17.2 MPa) and a 24-hour compressive strength about 1500 psi (10.3 MPa) to about 3500 psi (24.1 MPa).
19. The composition of claim 1 having a 4-hour compressive strength from about 1000 psi (6.9 MPa) to about 2500 psi (17.2 MPa), and a 28-day compressive strength from about 3500 psi (24.1 MPa) to about 10,000 psi (69 MPa).
20. The composition of claim 1 having a 4-hour compressive strength from about 1000 psi (6.9 MPa) to about 2500 psi (17.2 MPa) and a water saturated compressive strength at 28-days from about 3500 psi (24.1 MPa) to about 10000 psi (69 MPa).
21. The composition of claim 1, wherein the composition has a tensile bonding strength to other substrates in excess of 200 psi.
22. The composition of claim 1 wherein the reaction product is formed from water; and a thermally activated aluminosilicate mineral; a calcium aluminate cement; a calcium sulfate selected from the group consisting of calcium sulfate dihydrate, calcium sulfate hemihydrate, anhydrous calcium sulfate and mixtures thereof; a chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base; and a filler.
23. The composition of claim 1, wherein the reaction product results from an exothermic reaction in a water slurry, wherein the amount of calcium aluminate cement, calcium sulfate and chemical activator relative to the amount of thermally activated aluminosilicate mineral is effective to limit the maximum slurry temperature rise to about 50\xb0 F. or less.
24. The composition of claim 23, wherein the maximum slurry temperature rise is limited to less than about 40\xb0 F.
25. The composition of claim 23, wherein the reaction product exhibits lower thermal expansion and enhanced resistance to thermal cracking.
26. The composition of claim 1, wherein the weight ratio of the mixture to water is less than about 0.4.
27. The composition of claim 1, wherein the weight ratio of the mixture to water is less than about 0.3.
28. The composition of claim 1, wherein the composition has improved fluidity and workability as shown in slump testing of the composition wherein the slump patties have relatively large diameters and no early age cracking upon drying.
29. A settable mixture for forming an aluminosilicate geopolymer composition when reacted in water, comprising:
about 35 to about 96% by weight of a thermally activated aluminosilicate mineral;
about 2 to about 45% by weight of a calcium aluminate cement, about 1 to about 45% by weight of a calcium sulfate selected from the group consisting of calcium sulfate dihydrate, calcium sulfate hemihydrate, anhydrous calcium sulfate and mixtures thereof; and
about 1.0 to about 6.0% by weight of a chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base, or mixtures thereof.
30. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 in water, wherein the shrinkage of the composition is less than about 0.3%.
31. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 in water, wherein the shrinkage of the composition is less than about 0.05%.
32. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 in water, wherein the composition has tensile bonding strength to other substrates in excess of 200 psi.
33. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 in water, wherein the geopolymer formed from the mixture has 4-hour compressive strength of from about 1000 psi (6.9 MPa) to greater than about 2500 psi (17.2 MPa); 24-hour compressive strength of about 1500 psi (10.3 MPa) to greater than about 3500 psi (24.1 MPa), and 28-day compressive strength of about 3500 psi (24.1 MPa) to about 10000 psi (69 MPa) and wherein the mixture has a set time of less than about 10 minutes to about 120 minutes after reacting the mixture in water.
34. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 in water, wherein the aluminosilicate geopolymer composition has a controlled exothermic reaction with a maximum slurry temperature rise of less than about 50\xb0 F.
35. The aluminosilicate geopolymer composition of claim 34, wherein the aluminosilicate geopolymer composition exhibits low thermal expansion and enhanced resistance to thermal cracking.
36. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 with water, wherein the weight ratio of the mixture to water is less than about 0.4.
37. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 with water, wherein the weight ratio of the mixture to water is less than about 0.3.
38. The aluminosilicate geopolymer composition formed from the reaction of the mixture of claim 29 with water, wherein the composition has improved fluidity and workability as shown in slump testing of the composition wherein the slump patties have relatively large diameters and no early age cracking upon drying.
39. The composition of claim 1 forming a construction repair material.
40. The composition of claim 1 forming a floor repair material
41. The composition of claim 1 forming a self leveling floor underlayment over a substrate.
42. The composition of claim 1 forming a load bearing structure.
43. The composition of claim 1 forming a panel surfacing material.
44. The composition of claim 1 in the form of a binder in construction materials.
45. The composition of claim 1 in the form of construction materials selected from the group consisting of brick, blocks and stones.
46. The composition of claim 1 forming a wall surfacing material.
47. The composition of claim 1 forming a pavement material for traffic bearing surfaces.
48. The composition of claim 1 forming a repair material for traffic bearing surfaces.
49. The composition of claim 1 in the form of a material for weight bearing structures.
50. The composition of claim 1 in the form of a roofing material.
51. The composition of claim 1 in the form of a shotcrete material.
52. The composition of claim 1 in the form of a mortar.
53. A method of preparing an aluminosilicate geopolymer composition, comprising:
reacting a thermally activated aluminosilicate mineral, a calcium aluminate cement, a calcium sulfate selected from the group consisting of calcium sulfate dihydrate, calcium sulfate hemihydrate, anhydrous calcium sulfate, and mixtures thereof, a chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base or mixtures thereof, and water.
54. The method of claim 53, wherein the aluminosilicate geopolymer comprises the composition of:
about 35 to about 96 parts by weight, of the thermally activated aluminosilicate mineral comprising class C fly ash,
about 2 to about 45 parts by weight of calcium aluminate cement,
about 1 to about 45 parts by weight of the calcium sulfate,
about 1.0 to about 6.0 parts by weight of the chemical activator, and water.
55. The method of claim 53, wherein the chemical activator comprises an alkali metal citrate and wherein the thermally activated aluminosilicate mineral comprises Class C fly ash.
56. The method of claim 53, wherein the method further comprises the composition of a filler and calcium sulfoaluminate cement.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An apparatus, comprising:
a secure mode flag to indicate a processor is operating in a trusted mode; and
a hardware error reporting system to detect and report a hardware error, including
a machine state register to store machine state when said hardware error is detected; and
a sequencer to mark said machine state register invalid when said secure mode flag is true.
2. The apparatus of claim 1, wherein said sequencer to mark said machine state register invalid by setting a validity bit for said machine state register.
3. The apparatus of claim 1, wherein said sequencer to mark said machine state register invalid by setting a portion of a miscellaneous state register of said machine state register to an invalid number.
4. The apparatus of claim 1, wherein said sequencer to load machine state data into said machine state register when said secure mode flag is false.
5. The apparatus of claim 4, wherein said sequencer to ensure said machine state register is not marked invalid when said secure mode flag is false.
6. The apparatus of claim 1, further comprising an internal debug flag, wherein said sequencer to mark a machine state register invalid when said internal debug flag is false and said secure mode flag is true.
7. The apparatus of claim 6, wherein said sequencer to load machine state data into said machine state register when said internal debug flag is true regardless of said secure mode flag.
8. The apparatus of claim 1, wherein said sequencer to load machine error status data into a machine error status register regardless of value of said secure mode flag.
9. The apparatus of claim 1, wherein said secure mode flag is set by execution of a secure mode enter instruction.
10. A method, comprising:
detecting a machine error;
in response to detecting said machine error, determining a first value of a secure mode flag; and
in response to determining that said first value is true, marking a machine state register invalid.
11. The method of claim 10, wherein said marking includes setting a validity bit for said machine state register.
12. The method of claim 10, wherein said marking includes setting a portion of a miscellaneous state register of said machine state register to an invalid number.
13. The method of claim 10, further comprising loading machine state data into said machine state register when said first value is false.
14. The method of claim 13, further comprising ensuring said machine state register is not marked invalid when said first value is false.
15. The method of claim 10, wherein said marking includes marking said machine state register invalid when a second value of an internal debug flag is false and said first value of said secure mode flag is true.
16. The method of claim 15, further comprising loading machine state data into said machine state register when said second value is true even when said first value of said secure mode flag is true.
17. The method of claim 10, further comprising loading machine error status data into a machine error status register regardless of value of said first value.
18. The method of claim 10, further comprising setting said first value by executing a secure mode enter instruction.
19. A system, comprising:
a processor including a secure mode flag to indicate a processor is operating in a trusted mode, and a hardware error reporting system to detect and report a hardware error, including a machine state register to store machine state when said hardware error is detected and a sequencer to mark said machine state register invalid when said secure mode flag is true;
a system interconnect interface; and
an audio inputoutput logic.
20. The system of claim 19, wherein said sequencer to mark said machine state register invalid by setting a validity bit for said machine state register.
21. The system of claim 19, wherein said sequencer to mark said machine state register invalid by setting a portion of a miscellaneous state register of said machine state register to an invalid number.
22. The system of claim 19, wherein said sequencer to load machine state data into said machine state register when said secure mode flag is false.
23. The system of claim 22, wherein said sequencer to ensure said machine state register is not marked invalid when said secure mode flag is false.
24. The system of claim 19, wherein said sequencer to load machine error status data into a machine error status register regardless of value of said secure mode flag.
25. The system of claim 19, wherein said secure mode flag is set by execution of a secure mode enter instruction.
26. A computer readable media, containing a program executable by a machine to perform the process comprising:
detecting a machine error;
in response to detecting said machine error, determining a first value of a secure mode flag; and
in response to determining that said first value is true, marking a machine state register invalid.
27. The computer readable media of claim 26, wherein said marking includes setting a validity bit for said machine state register.
28. The computer readable media of claim 26, wherein said marking includes setting a portion of a miscellaneous state register of said machine state register to an invalid number.
29. The computer readable media of claim 26, further comprising loading machine state data into said machine state register when said first value is false.
30. The computer readable media of claim 29, further comprising ensuring said machine state register is not marked invalid when said first value is false.
31. The computer readable media of claim 26, wherein said marking includes marking said machine state register invalid when a second value of an internal debug flag is false and said first value of said secure mode flag is true.
32. The computer readable media of claim 31, further comprising loading machine state data into said machine state register when said second value is true even when said first value of said secure mode flag is true.
33. The computer readable media of claim 26, further comprising loading machine error status data into a machine error status register regardless of value of said first value.
34. The computer readable media of claim 26, further comprising setting said first value by executing a secure mode enter instruction.