CA2565292C - Dry mix cement - Google Patents
Dry mix cement Download PDFInfo
- Publication number
- CA2565292C CA2565292C CA 2565292 CA2565292A CA2565292C CA 2565292 C CA2565292 C CA 2565292C CA 2565292 CA2565292 CA 2565292 CA 2565292 A CA2565292 A CA 2565292A CA 2565292 C CA2565292 C CA 2565292C
- Authority
- CA
- Canada
- Prior art keywords
- dry mix
- cement
- measured
- volume
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004568 cement Substances 0.000 title claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000009472 formulation Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/20—Waste materials; Refuse organic from macromolecular compounds
- C04B18/22—Rubber, e.g. ground waste tires
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A dry mix cement includes cement powder of not less than 20% as measured by volume of the dry mix, rubber particles derived from recycled vehicular tires in a range of not less than 30% and not more than 60% as measured by volume of the dry mix, and fibre derived from recycled vehicle tires of not less than 10% and not more than 30% as measured by volume of the dry mix.
Description
TITLE
Dry mix cement FIELD
The present invention relates to dry mix cement to which a user need only add water.
BACKGROUND
United States Patent 4,842,650 (Blounts 1989) entitled "Polymer modified cement compositions" describes a dry mix polymer modified cement to which a user need only add water.
SUMMARY
According to the present invention there is provided a dry mix cement which includes cement powder of not less than 20% as measured by volume of the dry mix, rubber particles derived from recycled vehicular tires in a range of not less than 30% and not more than 60%
as measured by volume of the dry mix and fibre derived from recycled vehicle tires of not less than 10% and not more than 30% as measured by volume of the dry mix.
DETAILED DESCRIPTION
The dry mix cement includes cement powder, rubber particles of a mesh size of between .005 8 of an inch 100 mesh and 1/4 of an inch, and fibre of a length between 1/8 inch and two inches. The rubber particles and fibre are both derived from recycled vehicle tires.
The cement powder makes up not less than 20% as measured by volume of the dry mix, the rubber particles make up not less than 30% and not more than 60% as measured by volume of the dry mix, and the fibre makes up not less than 10% and not more than 30% as measured by volume of the dry mix.
Such a mixture provides a cement that could be used on sidewalks, highways, swimming pools, cement pads for buildings, driveways, cement curbs and any other area where normal cement is used. As the insulating R-value will change, based on the ratio of fibre and rubber particles to cement. The resulting cement is able to flex with frost heaving and has a higher crushing strength. For example, according to one test using a 2 inch thick sidewalk block, the crushing strength required for the cement mixture described above was 50001bs per square inch, whereas the crushing strength for normal cement is around 7001.bs per square inch.
Example Formulation #1 - for use in driveway 40% cement powder 40%'/4 inch rubber crumb 20% fibre from rubber tires Example Formulation #2 - for use in sidewalk blocks 25% cement powder 40%'/< inch rubber crumb 20% 100 mesh rubber crumb 15% fibre from rubber tires In this patent document, the word "comprising" is used in its non-limiting sense to mean that items following the word are included, but items not specifically mentioned are not excluded. A reference to an element by the indefinite article "a" does not exclude the possibility that more than one of the element is present, unless the context clearly requires that there be one and only one of the elements.
It will be apparent to one skilled in the art that modifications may be made to the illustrated embodiment without departing from the spirit and scope of the invention as hereinafter defined in the Claims.
Dry mix cement FIELD
The present invention relates to dry mix cement to which a user need only add water.
BACKGROUND
United States Patent 4,842,650 (Blounts 1989) entitled "Polymer modified cement compositions" describes a dry mix polymer modified cement to which a user need only add water.
SUMMARY
According to the present invention there is provided a dry mix cement which includes cement powder of not less than 20% as measured by volume of the dry mix, rubber particles derived from recycled vehicular tires in a range of not less than 30% and not more than 60%
as measured by volume of the dry mix and fibre derived from recycled vehicle tires of not less than 10% and not more than 30% as measured by volume of the dry mix.
DETAILED DESCRIPTION
The dry mix cement includes cement powder, rubber particles of a mesh size of between .005 8 of an inch 100 mesh and 1/4 of an inch, and fibre of a length between 1/8 inch and two inches. The rubber particles and fibre are both derived from recycled vehicle tires.
The cement powder makes up not less than 20% as measured by volume of the dry mix, the rubber particles make up not less than 30% and not more than 60% as measured by volume of the dry mix, and the fibre makes up not less than 10% and not more than 30% as measured by volume of the dry mix.
Such a mixture provides a cement that could be used on sidewalks, highways, swimming pools, cement pads for buildings, driveways, cement curbs and any other area where normal cement is used. As the insulating R-value will change, based on the ratio of fibre and rubber particles to cement. The resulting cement is able to flex with frost heaving and has a higher crushing strength. For example, according to one test using a 2 inch thick sidewalk block, the crushing strength required for the cement mixture described above was 50001bs per square inch, whereas the crushing strength for normal cement is around 7001.bs per square inch.
Example Formulation #1 - for use in driveway 40% cement powder 40%'/4 inch rubber crumb 20% fibre from rubber tires Example Formulation #2 - for use in sidewalk blocks 25% cement powder 40%'/< inch rubber crumb 20% 100 mesh rubber crumb 15% fibre from rubber tires In this patent document, the word "comprising" is used in its non-limiting sense to mean that items following the word are included, but items not specifically mentioned are not excluded. A reference to an element by the indefinite article "a" does not exclude the possibility that more than one of the element is present, unless the context clearly requires that there be one and only one of the elements.
It will be apparent to one skilled in the art that modifications may be made to the illustrated embodiment without departing from the spirit and scope of the invention as hereinafter defined in the Claims.
Claims (3)
1. A dry mix cement, comprising:
cement powder of not less than 20% as measured by volume of the dry mix;
rubber particles derived from recycled vehicular tires in a range of not less than 30%
and not more than 60% as measured by volume of the dry mix;
fibre derived from recycled vehicle tires of not less than 10% and not more than 30%
as measured by volume of the dry mix.
cement powder of not less than 20% as measured by volume of the dry mix;
rubber particles derived from recycled vehicular tires in a range of not less than 30%
and not more than 60% as measured by volume of the dry mix;
fibre derived from recycled vehicle tires of not less than 10% and not more than 30%
as measured by volume of the dry mix.
2. The dry mix as defined in Claim 1, wherein the rubber particles are of a mesh size of between 100 mesh (0.0058 inches) and 1/4 inch.
3. The dry mix as defined in Claim 1, wherein the fibre is of a length of between 1/8 inch and two inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2565292 CA2565292C (en) | 2006-10-18 | 2006-10-18 | Dry mix cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2565292 CA2565292C (en) | 2006-10-18 | 2006-10-18 | Dry mix cement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2565292A1 CA2565292A1 (en) | 2008-04-18 |
| CA2565292C true CA2565292C (en) | 2011-02-01 |
Family
ID=39315253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2565292 Active CA2565292C (en) | 2006-10-18 | 2006-10-18 | Dry mix cement |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2565292C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2689356B2 (en) * | 2018-08-14 | 2019-02-04 | Promotora Mediterranea 2 S A | TREATED RUBBER PARTICLE, METHOD OF OBTAINING AND CONSTRUCTION MATERIAL THAT CONTAINS IT |
-
2006
- 2006-10-18 CA CA 2565292 patent/CA2565292C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2565292A1 (en) | 2008-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |