CN106278002A - A kind of concrete duct resistant abrasion mending mortar - Google Patents
A kind of concrete duct resistant abrasion mending mortar Download PDFInfo
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- CN106278002A CN106278002A CN201510314848.6A CN201510314848A CN106278002A CN 106278002 A CN106278002 A CN 106278002A CN 201510314848 A CN201510314848 A CN 201510314848A CN 106278002 A CN106278002 A CN 106278002A
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Abstract
The invention discloses a kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion: portland cement 30-47 part；Water reducer 0.05-0.20 part；Grating hard fine aggregate 40-51 part；Defoamer 0.05-0.35 part；Super-fine material 0.10-1.5 part.Use the present invention formula make concrete duct impact-resisting wear-resisting mortar rush mill intensity higher, and its elastic modelling quantity is low, strong with matrix cementability, cracking resistance is excellent, uses the formula of the present invention to make concrete duct impact-resisting wear-resisting mortar and is particularly well-suited to repairing or pouring materials'use as abrasion resistance concrete of current scour position.
Description
Technical field
The present invention relates to mortar technical field used by concrete duct, particularly relate to a kind of concrete duct resistant abrasion mending mortar.This mortar is mainly used in the repairing at current scour position, it is possible to pour materials'use as abrasion resistance concrete.
Background technology
At present, containing substantial amounts of suspended load in current, it produces the strongest ground damage capability under the drive of high-velocity flow, constantly concrete duct wetted surfaces is collided, the behavior such as friction, make concrete that the breakoff phenomenon such as erosive wear, cavitation corrosion occur, reduce pipeline service life, threaten engineering safety work, need periodically to be maintained repairing, and safeguard that renewal expense is high.
Existing resistant abrasion material is in construction process and on-the-spot later stage performance exposes a lot of problem, as silica flour series abrasion resistance concrete early strength is developed at a too fast speed, middle and late stage gain in strength is small, and heat of hydration release is concentrated, drying shrinkage and self-desiccation shrinkage are big, and crack easily occurs；Modified epoxy class resistant abrasion mortar and protective coating still contain more effumability solvent composition, do not significantly improve at moist and under water environment easy act, and pliability still is apparent not enough, easy hollowing, cracking and flaking.
Commercially available mortar product still suffers from the technical problem of " early strength is developed at a too fast speed, and middle and late stage gain in strength is small, and the heat of hydration concentrates release, drying shrinkage and self-desiccation shrinkage big, and crack easily occurs ", and mortar strength is less, and elastic modelling quantity is higher, and cracking resistance is bad.
Chinese invention patent " a kind of high resiliency resistant abrasion mortar patching material " such as Application No. 201210161225.6, disclose a kind of high resiliency resistant abrasion mortar patching material, repairing for concrete membrane defect, it is characterized in that: this mortar key component is single-component polyurea (by weight 20%-35%) and special sand material (by weight 65%-80%), and other a small amount of components.This patent rush mill intensity the highest, weak with matrix cementability, cracking resistance is general.
Summary of the invention
It is an object of the invention to the problems referred to above overcoming prior art to exist, propose a kind of concrete duct resistant abrasion mending mortar.Use the present invention formula make concrete duct impact-resisting wear-resisting mortar rush mill intensity higher, and its elastic modelling quantity is low, strong with matrix cementability, permeability resistance is high, cracking resistance is excellent, uses the formula of the present invention to make concrete duct impact-resisting wear-resisting mortar and is particularly well-suited to repairing or pouring materials'use as abrasion resistance concrete of current scour position.
The present invention realizes by the following technical solutions:
A kind of concrete duct resistant abrasion mending mortar, it is characterised in that include the component of following weight portion:
Portland cement 30-47 part；
Water reducer 0.05-0.20 part；
Grating hard fine aggregate 40-51 part；
Defoamer 0.05-0.35 part；
Super-fine material 0.10-1.5 part.
Also include redispersable latex powder 0.2-1.0 part.
Also include active filler 1-6 part.
Also include extender 0.05-1.0 part.
Also include active filler 1-6 part；Chopped fiber 0.01-0.08 part.
Also include active filler 1.0-6 part；Redispersable latex powder 0.1-0.7 part；Chopped fiber 0.01-0.04 part；Extender 0.05-1.0 part.
The heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
The Mohs' hardness index of described grating hard fine aggregate is 5-7, and modulus of fineness is 1.2-3.5.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
Described water reducer is a kind of or the most several complex in powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer, naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
Described defoamer is any one of powdery polyethers defoamer, silicon class defoamer and polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
Described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33, nanometer Al2O3In the mixture of one or more.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
Described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
Described active filler is any one of flyash and slag powders or the mixture of two kinds, and wherein flyash is I grade or II grade of flyash, and the specific surface area of slag powders is 450-520m2/Kg.Flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength.Selected slag can ensure that mortar stable long-term strength increases.
Described chopped fiber is polypropylene fibre and any one of basalt fibre or the mixture of two kinds, and fibre length is 2-15, a diameter of 8-30 μm.Mix appropriate chopped fiber fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
Described extender is any one of light calcined magnesia, calcium oxide or calcium sulphoaluminate or several mixture.When cement setting hardens, volumetric expansion therewith, plays compensation and shrinks and be sufficient filling with cement, the effect in sand gap.Improving volume stability, pre-cracking-proof produces, and improves durability.
The present invention compared with prior art, has an advantage in that:
1, use the present invention formula make concrete duct impact-resisting wear-resisting mortar rush mill intensity higher, and its elastic modelling quantity is low, strong with matrix cementability, cracking resistance is excellent, uses the formula of the present invention to make concrete duct impact-resisting wear-resisting mortar and is particularly well-suited to repairing or pouring materials'use as abrasion resistance concrete of current scour position.
2, the present invention uses portland cement 30-47 part, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
3, the present invention uses water reducer 0.05-0.20 part；Described water reducer is a kind of or the most several complex in powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer, naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
4, the present invention uses grating hard fine aggregate 40-51 part；The Mohs' hardness index of described grating hard fine aggregate is 5-7, and fineness number is 1.2-3.3.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
5, the present invention uses defoamer 0.05-0.35 part；Described defoamer is any one of powdery polyethers defoamer, silicon class defoamer and polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
6, the present invention uses super-fine material 0.10-1.5 part；Described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33, nanometer Al2O3In the mixture of one or more.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
7, the redispersable latex powder that the present invention uses redispersible latex powder to be low Tg flexibility.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
8, the present invention uses active filler 1-6 part；Described active filler is any one of flyash and slag powders or the mixture of two kinds, and wherein flyash is I grade or II grade of flyash, and the specific surface area of slag powders is 450～520m2/Kg.Flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength.Selected slag can ensure that mortar stable long-term strength increases.
9, the present invention uses chopped fiber to be polypropylene fibre and any one of basalt fibre or the mixture of two kinds, and fibre length is 2-15, a diameter of 8-30 μm.Mix appropriate chopped fiber fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
10, the present invention uses extender to be any one of light calcined magnesia, calcium oxide or calcium sulphoaluminate or several mixture.When cement setting hardens, volumetric expansion therewith, plays compensation and shrinks and be sufficient filling with cement, the effect in sand gap.Improving volume stability, pre-cracking-proof produces, and improves durability.
Detailed description of the invention
Embodiment
1
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 30 parts；
Water reducer 0.05 part；
Grating hard fine aggregate 40 parts；
Defoamer 0.05 part；
Super-fine material 0.10 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 5, and modulus of fineness is 1.2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is powdery polycarboxylic acid water reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is powdery polyethers defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
Embodiment
2
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 38 parts；
Water reducer 0.12 part；
Grating hard fine aggregate 46 parts；
Defoamer 0.2 part；
Super-fine material 0.8 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 6, and modulus of fineness is 2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer and Amino-sulfonic Acid-based Water-reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME and Nano-meter SiO_22Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
Embodiment
3
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 47 parts；
Water reducer 0.20 part；
Grating hard fine aggregate 51 parts；
Defoamer 0.35 part；
Super-fine material 1.5 parts.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 7, and modulus of fineness is 3.3.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer and naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33With nanometer Al2O3Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
Embodiment
4
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 30 parts；
Water reducer 0.05 part；
Grating hard fine aggregate 40 parts；
Defoamer 0.05 part；
Super-fine material 0.10 part；
Redispersable latex powder 0.2 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 5, and modulus of fineness is 1.2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is powdery polycarboxylic acid water reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is powdery polyethers defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
Embodiment
5
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 38 parts；
Water reducer 0.12 part；
Grating hard fine aggregate 46 parts；
Defoamer 0.2 part；
Super-fine material 0.8 part；
Redispersable latex powder 0.5 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 6, and modulus of fineness is 2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer and Amino-sulfonic Acid-based Water-reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME and Nano-meter SiO_22Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
Embodiment
6
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 47 parts；
Water reducer 0.20 part；
Grating hard fine aggregate 51 parts；
Defoamer 0.35 part；
Super-fine material 1.5 parts；
Redispersable latex powder 1.0 parts.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 7, and modulus of fineness is 3.3.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer and naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33With nanometer Al2O3Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
Embodiment
7
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 30 parts；
Water reducer 0.05 part；
Grating hard fine aggregate 40 parts；
Defoamer 0.05 part；
Super-fine material 0.10 part；
Redispersable latex powder 0.2 part；
Active filler 1 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 5, and modulus of fineness is 1.2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is powdery polycarboxylic acid water reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is powdery polyethers defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is flyash, wherein flyash is I grade or II grade of flyash, flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength.
Embodiment
8
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 38 parts；
Water reducer 0.12 part；
Grating hard fine aggregate 46 parts；
Defoamer 0.2 part；
Super-fine material 0.8 part；
Redispersable latex powder 0.5 part；
Active filler 3 parts.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 6, and modulus of fineness is 2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer and Amino-sulfonic Acid-based Water-reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME and Nano-meter SiO_22Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is slag powders, and the specific surface area of slag powders is 510m2/ Kg, slag can ensure that mortar stable long-term strength increases.
Embodiment
9
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 47 parts；
Water reducer 0.20 part；
Grating hard fine aggregate 51 parts；
Defoamer 0.35 part；
Super-fine material 1.5 parts；
Redispersable latex powder 1.0 parts；
Active filler 6 parts.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 7, and modulus of fineness is 3.3.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer and naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33With nanometer Al2O3Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is the mixture of flyash and slag powders, and wherein flyash is I grade or II grade of flyash, and the specific surface area of slag powders is 490m2/Kg；Flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength；Slag can ensure that mortar stable long-term strength increases.
Embodiment
10
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 30 parts；
Water reducer 0.05 part；
Grating hard fine aggregate 40 parts；
Defoamer 0.05 part；
Super-fine material 0.10 part；
Redispersable latex powder 0.2 part；
Active filler 1 part；
Extender 0.05 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 5, and modulus of fineness is 1.2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is powdery polycarboxylic acid water reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is powdery polyethers defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is flyash, wherein flyash is I grade or II grade of flyash, flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength.
In the present embodiment, described extender is light calcined magnesia.
Embodiment
11
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 38 parts；
Water reducer 0.12 part；
Grating hard fine aggregate 46 parts；
Defoamer 0.2 part；
Super-fine material 0.8 part；
Redispersable latex powder 0.5 part；
Active filler 3 parts；
Extender 0.08 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 6, and modulus of fineness is 2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer and Amino-sulfonic Acid-based Water-reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME and Nano-meter SiO_22Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is slag powders, and the specific surface area of slag powders is 470m2/ Kg, slag can ensure that mortar stable long-term strength increases.
In the present embodiment, described extender is the mixture of light calcined magnesia and calcium oxide.
Embodiment
12
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 47 parts；
Water reducer 0.20 part；
Grating hard fine aggregate 51 parts；
Defoamer 0.35 part；
Super-fine material 1.5 parts；
Redispersable latex powder 1.0 parts；
Active filler 6 parts；
Extender 1.0 parts.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 7, and modulus of fineness is 3.3.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer and naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33With nanometer Al2O3Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is the mixture of flyash and slag powders, and wherein flyash is I grade or II grade of flyash, and the specific surface area of slag powders is 450m2/Kg；Flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength；Slag can ensure that mortar stable long-term strength increases.
In the present embodiment, described extender is light calcined magnesia and calcium sulphoaluminate mixture.
Embodiment
13
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 30 parts；
Water reducer 0.05 part；
Grating hard fine aggregate 40 parts；
Defoamer 0.05 part；
Super-fine material 0.10 part；
Redispersable latex powder 0.2 part；
Active filler 1 part；
Chopped fiber 0.01 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 5, and modulus of fineness is 1.2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is powdery polycarboxylic acid water reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is powdery polyethers defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is flyash, wherein flyash is I grade or II grade of flyash, flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength.
In the present embodiment, described chopped fiber is polypropylene fibre, and fibre length is 2, a diameter of 8 μm.Mix appropriate chopped fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
Embodiment
14
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 38 parts；
Water reducer 0.12 part；
Grating hard fine aggregate 46 parts；
Defoamer 0.2 part；
Super-fine material 0.8 part；
Redispersable latex powder 0.5 part；
Active filler 3 parts；
Chopped fiber 0.04 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 6, and modulus of fineness is 2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer and Amino-sulfonic Acid-based Water-reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME and Nano-meter SiO_22Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is slag powders, and the specific surface area of slag powders is 450m2/ Kg, slag can ensure that mortar stable long-term strength increases.
In the present embodiment, described chopped fiber is basalt fibre, and fibre length is 8, a diameter of 15 μm.Mix appropriate chopped fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
Embodiment
15
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 47 parts；
Water reducer 0.20 part；
Grating hard fine aggregate 51 parts；
Defoamer 0.35 part；
Super-fine material 1.5 parts；
Redispersable latex powder 1.0 parts；
Active filler 6 parts；
Chopped fiber 0.08 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 7, and modulus of fineness is 3.3.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer and naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33With nanometer Al2O3Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is the mixture of flyash and slag powders, and wherein flyash is I grade or II grade of flyash, and the specific surface area of slag powders is 480m2/Kg；Flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength；Slag can ensure that mortar stable long-term strength increases.
In the present embodiment, described chopped fiber is the mixture of polypropylene fibre and basalt fibre, and fibre length is 15, a diameter of 30 μm.Mix appropriate chopped fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
Embodiment
16
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 30 parts；
Water reducer 0.05 part；
Grating hard fine aggregate 40 parts；
Defoamer 0.05 part；
Super-fine material 0.10 part；
Redispersable latex powder 0.1 part；
Active filler 1 part；
Chopped fiber 0.01 part；
Extender 0.05 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 5, and modulus of fineness is 1.2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is powdery polycarboxylic acid water reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is powdery polyethers defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is flyash, wherein flyash is I grade or II grade of flyash, flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength.
In the present embodiment, described extender is light calcined magnesia.
In the present embodiment, described chopped fiber is polypropylene fibre, and fibre length is 2, a diameter of 8 μm.Mix appropriate chopped fiber fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
Embodiment
17
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 38 parts；
Water reducer 0.12 part；
Grating hard fine aggregate 46 parts；
Defoamer 0.2 part；
Super-fine material 0.8 part；
Redispersable latex powder 0.4 part；
Active filler 3 parts；
Chopped fiber 0.02 part；
Extender 0.08 part.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 6, and modulus of fineness is 2.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer and Amino-sulfonic Acid-based Water-reducer.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME and Nano-meter SiO_22Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is slag powders, and the specific surface area of slag powders is 500m2/ Kg, slag can ensure that mortar stable long-term strength increases.
In the present embodiment, described extender is the mixture of light calcined magnesia and calcium oxide.
In the present embodiment, described chopped fiber is basalt fibre, and fibre length is 8, a diameter of 15 μm.Mix appropriate chopped fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
Embodiment
18
:
A kind of concrete duct resistant abrasion mending mortar, including the component of following weight portion:
Portland cement 47 parts；
Water reducer 0.20 part；
Grating hard fine aggregate 51 parts；
Defoamer 0.35 part；
Super-fine material 1.5 parts；
Redispersable latex powder 0.7 part；
Active filler 6 parts；
Chopped fiber 0.04 part；
Extender 1.0 parts.
In the present embodiment, the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg.The impact-resisting wear-resisting mortar that selected portland cement is made, has the heat of hydration relatively low, and early strength is moderate, the performance that stable long-term strength increases.
In the present embodiment, the Mohs' hardness index of described grating hard fine aggregate is 7, and modulus of fineness is 3.5.Hard fine aggregate can ensure that the anti-abrasion strength of impact-resisting wear-resisting mortar.
In the present embodiment, described water reducer is the complex of powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer and naphthalene series high-efficiency water-reducing agent.By the water-reduction of water reducer, water consumption required during mortar construction can be reduced, it is ensured that it possesses higher fluidity and intensity.
In the present embodiment, described defoamer is polyether-modified silicon class defoamer.Water reducer, redispersible latex powder can make air content in mortar mixture rise, and use defoamer can reduce air bubble content, it is ensured that mortar mixture hardening rear surface is bright and clean, without cavity.
In the present embodiment, described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33With nanometer Al2O3Mixture.Selected super-fine material can effectively fill mortar internal void, increases its degree of compaction, improves permeability resistance, and its higher reactivity can promote that mortar stable long-term strength increases.
In the present embodiment, described redispersible latex powder is the redispersable latex powder that low Tg is flexible.This latex powder can reduce the elastic modelling quantity of impact-resisting wear-resisting mortar, reduces the cohesive force of its early-age crack index, reinforced mortar and matrix.
In the present embodiment, described active filler is the mixture of flyash and slag powders, and wherein flyash is I grade or II grade of flyash, and the specific surface area of slag powders is 520m2/Kg；Flyash has the particle characteristic of glass microballoon and potential chemism, has excellent effect to reducing the water consumption of impact-resisting wear-resisting mortar, the fluidity of increase mortar, the compaction rate improving mortar and later strength；Slag can ensure that mortar stable long-term strength increases.
In the present embodiment, described extender is light calcined magnesia and calcium sulphoaluminate mixture.
In the present embodiment, described chopped fiber is the mixture of polypropylene fibre and basalt fibre, and fibre length is 15, a diameter of 30 μm.Mix appropriate chopped fiber, the early anti-cracking behavior energy of mortar can be improved, the elastic modelling quantity of mortar can be reduced simultaneously.
Claims (10)
1. a concrete duct resistant abrasion mending mortar, it is characterised in that include the component of following weight portion:
Portland cement 30-47 part；
Water reducer 0.05-0.20 part；
Grating hard fine aggregate 40-51 part；
Defoamer 0.05-0.35 part；
Super-fine material 0.10-1.5 part.
A kind of concrete duct resistant abrasion mending mortar the most according to claim 1, it is characterised in that also include: redispersable latex powder 0.2-1.0 part.
A kind of concrete duct resistant abrasion mending mortar the most according to claim 2, it is characterised in that also include: active filler 1-6 part.
A kind of concrete duct resistant abrasion mending mortar the most according to claim 3, it is characterised in that also include: extender 0.05-1.0 part.
A kind of concrete duct resistant abrasion mending mortar the most according to claim 1, it is characterised in that also include: active filler 1-6 part；Chopped fiber 0.01-0.08 part.
A kind of concrete duct resistant abrasion mending mortar the most according to claim 1, it is characterised in that also include: active filler 1.0-6 part；Redispersable latex powder 0.1-0.7 part；Chopped fiber 0.01-0.04 part；Extender 0.05-1.0 part.
A kind of concrete duct resistant abrasion mending mortar the most according to claim 1, it is characterised in that: the heat of hydration 3d of described portland cement≤260KJ/Kg, 7d≤300KJ/Kg；The Mohs' hardness index of described grating hard fine aggregate is 5-7, and modulus of fineness is 1.2-3.5；Described water reducer is a kind of or the most several complex in powdery polycarboxylic acid water reducer, Amino-sulfonic Acid-based Water-reducer, naphthalene series high-efficiency water-reducing agent；Described defoamer is any one of powdery polyethers defoamer, silicon class defoamer and polyether-modified silicon class defoamer；Described super-fine material is SILICA FUME, Nano-meter SiO_22, Nano-meter CaCO33, nanometer Al2O3In the mixture of one or more.
8. according to a kind of concrete duct resistant abrasion mending mortar according to any one of claim 2,3,4,6, it is characterised in that: described redispersible latex powder is the redispersable latex powder that low Tg is flexible.
9. according to a kind of concrete duct resistant abrasion mending mortar described in claim 3 or 6, it is characterized in that: described active filler is any one of flyash and slag powders or the mixture of two kinds, wherein flyash is I grade or II grade of flyash, and the specific surface area of slag powders is 450～520m2/Kg。
10. according to a kind of concrete duct resistant abrasion mending mortar described in claim 5 or 6, it is characterised in that: described chopped fiber is polypropylene fibre and any one of basalt fibre or the mixture of two kinds, and fibre length is 2-15, a diameter of 8-30 μm.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002028798A2 (en) * | 2000-09-29 | 2002-04-11 | Dow Global Technologies Inc. | A stable aqueous dispersion of a preformed polymer in concrete and cementatious composites |
| CN101215131A (en) * | 2008-01-18 | 2008-07-09 | 河海大学 | High-strength abrasion-proof basalt fibre maintaining mortar |
| CN101580369A (en) * | 2009-06-19 | 2009-11-18 | 清华大学 | Fiber reinforced high-strength mortar used for concrete structure repair |
| CN102603256A (en) * | 2012-03-22 | 2012-07-25 | 王建雷 | Cement-based structure repair mortar and preparation method |
| CN102674770A (en) * | 2012-05-11 | 2012-09-19 | 中国水电顾问集团成都勘测设计研究院 | Anti-impact and wear-resistant mortar |
| CN103274654A (en) * | 2013-06-09 | 2013-09-04 | 吉孟银 | Repairing mortar for concrete floor |
| CN103387363A (en) * | 2013-08-19 | 2013-11-13 | 湖南交泰建材有限公司 | Cement-based repair mortar |
-
2015
- 2015-06-10 CN CN201510314848.6A patent/CN106278002A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002028798A2 (en) * | 2000-09-29 | 2002-04-11 | Dow Global Technologies Inc. | A stable aqueous dispersion of a preformed polymer in concrete and cementatious composites |
| CN101215131A (en) * | 2008-01-18 | 2008-07-09 | 河海大学 | High-strength abrasion-proof basalt fibre maintaining mortar |
| CN101580369A (en) * | 2009-06-19 | 2009-11-18 | 清华大学 | Fiber reinforced high-strength mortar used for concrete structure repair |
| CN102603256A (en) * | 2012-03-22 | 2012-07-25 | 王建雷 | Cement-based structure repair mortar and preparation method |
| CN102674770A (en) * | 2012-05-11 | 2012-09-19 | 中国水电顾问集团成都勘测设计研究院 | Anti-impact and wear-resistant mortar |
| CN103274654A (en) * | 2013-06-09 | 2013-09-04 | 吉孟银 | Repairing mortar for concrete floor |
| CN103387363A (en) * | 2013-08-19 | 2013-11-13 | 湖南交泰建材有限公司 | Cement-based repair mortar |
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| CN111233390A (en) * | 2020-01-15 | 2020-06-05 | 中建材中岩科技有限公司 | Ultrahigh-performance anti-abrasion concrete |
| CN111470836A (en) * | 2020-06-11 | 2020-07-31 | 陕西拉发纪新材料科技有限公司 | Acid corrosion resistant spray material suitable for construction of dimeric opencut coal mine and preparation method thereof |
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