阅读说明：本技术 冷涂型环氧砂浆钢桥面铺装材料及其制备方法 (Cold-coating type epoxy mortar steel bridge deck pavement material and preparation method thereof ) 是由 蔡爱辉 林贤旺 黄永杰 黄毅龙 于 2021-09-10 设计创作，主要内容包括：本发明提供了一种冷涂型环氧砂浆钢桥面铺装材料及其制备方法,所述钢桥面铺装材料由胶粘剂和碎石共混后铺设而成,胶粘剂由A组分和B组分按质量比2-5:1混合而成,A组分包括环氧树脂、环氧稀释剂、稳定剂,B组分包括固化剂、苯甲醇、氨基乙基哌嗪、异佛尔酮二胺、表面活性剂和2,4,6-三(二甲氨基甲基)苯酚。本发明通过胶黏剂的复配,显著提高了铺装材料的耐候性能、粘结性及力学性能,具有防水防渗性能好,柔韧性好、耐侯性好等特点,可有效阻止外部环境腐蚀桥梁钢结构,有助于延长桥面铺装的使用寿命,降低维修、养护及管理成本,具有良好的经济、社会效益。(The invention provides a cold-coating epoxy mortar steel bridge deck pavement material and a preparation method thereof, wherein the steel bridge deck pavement material is formed by blending and paving an adhesive and broken stones, the adhesive is formed by mixing a component A and a component B according to the mass ratio of 2-5:1, the component A comprises epoxy resin, an epoxy diluent and a stabilizer, and the component B comprises a curing agent, benzyl alcohol, aminoethyl piperazine, isophorone diamine, a surfactant and 2,4, 6-tris (dimethylaminomethyl) phenol. By compounding the adhesive, the invention obviously improves the weather resistance, the cohesiveness and the mechanical property of the paving material, has the characteristics of good waterproof and anti-seepage performance, good flexibility, good weather resistance and the like, can effectively prevent the external environment from corroding the bridge steel structure, is beneficial to prolonging the service life of bridge deck pavement, reduces the maintenance, curing and management costs, and has good economic and social benefits.)

1. The utility model provides a cold coating type epoxy mortar steel bridge deck pavement material which characterized in that: the adhesive is formed by blending and paving an adhesive and broken stones, wherein the adhesive is formed by mixing a component A and a component B according to the mass ratio of 2-5: 1;

wherein the component A comprises the following components in parts by weight:

180 parts of epoxy resin and 210 parts of epoxy resin,

8-20 parts of epoxy diluent, namely,

8-20 parts of a stabilizer;

the component B comprises the following components in parts by weight:

20-30 parts of a curing agent,

0.5 to 3 portions of benzyl alcohol,

25-40 parts of amino ethyl piperazine,

1-10 parts of isophorone diamine,

40-60 parts of a surfactant,

0.5-3 parts of 2,4, 6-tri (dimethylaminomethyl) phenol.

2. A cold-coated epoxy mortar steel deck pavement according to claim 1, characterized in that: the component A comprises the following components in parts by weight:

190 parts of epoxy resin, namely 190 parts of epoxy resin,

15 parts of an epoxy diluent, namely 15 parts of epoxy diluent,

15 parts of a stabilizer;

the component B comprises the following components in parts by weight:

26 parts of a curing agent, namely,

2 parts of benzyl alcohol, namely 2 parts of benzyl alcohol,

32 parts of amino ethyl piperazine, namely 32 parts of amino ethyl piperazine,

3 parts of isophorone diamine, namely 3 parts of isophorone diamine,

50 parts of a surface active agent, namely,

2 parts of 2,4, 6-tri (dimethylaminomethyl) phenol.

3. A cold-coated epoxy mortar steel deck pavement according to claim 1 or 2, characterized in that: the crushed stone is screened diabase with the grain diameter of 2.36-9.5 mm.

4. A cold-coated epoxy mortar steel deck pavement according to claim 1 or 2, characterized in that: the epoxy resin is 128 epoxy resin.

5. A cold-coated epoxy mortar steel deck pavement according to claim 1 or 2, characterized in that: the epoxy diluent is allyl glycidyl ether.

6. A cold-coated epoxy mortar steel deck pavement according to claim 1 or 2, characterized in that: the stabilizer is styrenated phenol.

7. A cold-coated epoxy mortar steel deck pavement according to claim 1 or 2, characterized in that: the curing agent is polyether amine D400.

8. A cold-coated epoxy mortar steel deck pavement according to claim 1 or 2, characterized in that: the surfactant is nonyl phenol.

9. A method of preparing a cold-coated epoxy mortar steel deck pavement according to claim 1, wherein the method comprises the following steps: which comprises the following steps:

(1) weighing the raw materials of the component A according to the corresponding weight parts, mixing, and stirring at normal temperature for 10-20min to obtain the component A;

(2) weighing the raw materials of the component B according to the corresponding weight parts, mixing, heating to 50-60 ℃, and stirring for 10-20min to obtain the component B;

(3) mixing the component A and the component B according to a mass ratio, stirring for 2-6min to obtain an adhesive, pouring the adhesive into a mortar stirrer, uniformly mixing the adhesive with broken stones according to a rubble ratio of 1:6-7, tamping to obtain mortar, paving the mortar on a steel bridge deck, and curing the adhesive to obtain the cold-coating type epoxy mortar steel bridge deck paving material.

Technical Field

The invention belongs to the technical field of pavement paving materials, and particularly relates to a cold-coating type epoxy mortar steel bridge deck pavement material and a preparation method thereof.

Background

Along with the rapid development of national economy, the construction of large-span steel structure bridges is more and more, and the bridge deck pavement work is an important component influencing the engineering quality of the steel bridge and is closely related to the safety and stability of traffic operation, the comfort level of vehicle passing and the service life of the bridge. The bridge deck pavement is a protective layer which is paved on a bridge deck according to the thickness specified by relevant standards by using materials such as high polymer, concrete, asphalt and the like, the protective layer paved by the technology can well ensure the use safety of the bridge, can prevent wheels from directly wearing the bridge deck while playing a role of preventing rainwater from entering the bridge deck and the main beam, diffuses the load of the wheels, and also provides a smooth and anti-skid running surface for vehicles.

After the large-span steel structure bridge is operated for a period of time, cracks, fissures and the like with different degrees appear on a bridge deck pavement layer, and the performance of a bridge deck pavement material is one of main reasons for causing the bridge deck diseases, so that the performance of the bridge deck pavement material is improved, and the construction process is very important for controlling the bridge deck pavement diseases of the large-span steel structure bridge, prolonging the durability of the bridge and prolonging the service life of the bridge. The choice of waterproof bonding layer material should also be paid attention to bridge deck pavement because steel decking easily rusts, and the waterproof performance requirement on the layer of mating formation is high. In addition, the paving material also has the characteristics of strong adhesion with a bottom layer material, easy maintenance and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a cold-coating type epoxy mortar steel bridge deck pavement material and a preparation method thereof.

In order to achieve the above purpose, the solution of the invention is as follows:

a cold-coating type epoxy mortar steel bridge deck pavement material is prepared by mixing an adhesive and crushed stones and then paving, wherein the adhesive is prepared by mixing a component A and a component B according to the mass ratio of 2-5:1,

wherein the component A comprises the following components in parts by weight:

180 parts of epoxy resin and 210 parts of epoxy resin,

8-20 parts of epoxy diluent, namely,

8-20 parts of a stabilizer;

the component B comprises the following components in parts by weight:

further, the component A comprises the following components in parts by weight:

190 parts of epoxy resin, namely 190 parts of epoxy resin,

15 parts of an epoxy diluent, namely 15 parts of epoxy diluent,

15 parts of a stabilizer.

The component B comprises the following components in parts by weight:

further, the crushed stone is screened diabase with the grain size of 2.36-9.5 mm.

Further, the epoxy resin is 128 epoxy resin.

Further, in order to improve the weather resistance of the paving material and reduce the product cost, the epoxy diluent is preferably allyl glycidyl ether.

Further, the stabilizer is styrenated phenol.

Further, in order to improve the mechanical strength and the abrasion resistance of the paving material, the curing agent is preferably polyether amine D400.

Further, to improve the flexibility of the paving material and prevent cracking at low temperatures, the surfactant is preferably nonylphenol.

The preparation method of the cold-coating type epoxy mortar steel bridge deck pavement material comprises the following steps:

(1) weighing the raw materials of the component A according to the corresponding weight parts, mixing, and stirring at normal temperature for 10-20min to obtain the component A;

(2) weighing the raw materials of the component B according to the corresponding weight parts, mixing, heating to 50-60 ℃, and stirring for 10-20min to obtain the component B;

(3) mixing the component A and the component B according to the mass ratio, stirring for 2-6min to obtain an adhesive, pouring the uniformly mixed adhesive into a mortar stirrer, uniformly mixing the adhesive with crushed stone according to the rubble ratio of 1:6-7, tamping to obtain mortar, paving the mortar on a steel bridge deck, and curing the adhesive to obtain the cold-coated epoxy mortar steel bridge deck paving material.

The invention has the beneficial effects that:

by compounding the adhesive, the invention obviously improves the weather resistance, the caking property and the mechanical property of the paving material; in addition, the prepared paving material also has good flexibility, namely the steel bridge deck paving material prepared by the invention has strong bonding force with a steel plate, has the characteristics of good waterproof and anti-seepage performance, good flexibility, good weather resistance and the like, can effectively prevent the external environment from corroding the bridge steel structure, is beneficial to prolonging the service life of bridge deck pavement, reduces the maintenance, maintenance and management costs, and has good economic and social benefits. In addition, the paving material of the invention has convenient construction, does not need special equipment, has wide application range and can be used for various base materials such as concrete, steel bridges and the like.

Drawings

FIG. 1 is a schematic view of a cured product of the cold-coated epoxy mortar steel deck pavement material of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

a cold-coating epoxy mortar steel bridge deck pavement material is prepared by blending an adhesive and diabase with the particle size of 2.36-9.5mm and then paving, wherein the adhesive is prepared by mixing a component A and a component B according to the mass ratio of 2:1,

wherein the component A comprises the following components in parts by weight:

190 parts of 128 parts of epoxy resin,

15 parts of allyl glycidyl ether, namely 15 parts of,

15 parts of styrenated phenol;

the component B comprises the following components in parts by weight:

the preparation method comprises the following steps:

(1) weighing the raw materials of the component A according to the corresponding weight parts, mixing, and stirring at normal temperature for 10min to obtain the component A;

(2) weighing the raw materials of the component B according to the corresponding weight parts, mixing, heating to 50 ℃, and stirring for 15min to obtain the component B;

(3) mixing the component A and the component B according to the mass ratio of 2:1, stirring for 2min to obtain an adhesive, pouring the uniformly mixed adhesive into a mortar stirrer, uniformly mixing the adhesive with diabase according to the glue stone ratio of 1:6, tamping to obtain mortar, paving the mortar on a steel bridge deck, and curing the adhesive to obtain the cold-coated epoxy mortar steel bridge deck paving material.

Example 2:

a cold-coating epoxy mortar steel bridge deck pavement material is prepared by blending an adhesive and diabase with the particle size of 2.36-9.5mm and then paving, wherein the adhesive is prepared by mixing a component A and a component B according to the mass ratio of 3:1,

wherein the component A comprises the following components in parts by weight:

and (3) 180 parts of 128 parts of epoxy resin,

8 parts of allyl glycidyl ether, namely 8 parts of allyl glycidyl ether,

8 parts of styrenated phenol;

the component B comprises the following components in parts by weight:

the preparation method comprises the following steps:

(1) weighing the raw materials of the component A according to the corresponding weight parts, mixing, and stirring at normal temperature for 10min to obtain the component A;

(2) weighing the raw materials of the component B according to the corresponding weight parts, mixing, heating to 50 ℃, and stirring for 15min to obtain the component B;

(3) mixing the component A and the component B according to the mass ratio of 2:1, stirring for 2min to obtain an adhesive, pouring the uniformly mixed adhesive into a mortar stirrer, uniformly mixing the adhesive with diabase according to the glue stone ratio of 1:6, tamping to obtain mortar, paving the mortar on a steel bridge deck, and curing the adhesive to obtain the cold-coated epoxy mortar steel bridge deck paving material.

Example 3:

the cold-coating epoxy mortar steel bridge deck pavement material is formed by blending and paving an adhesive and diabase with the particle size of 2.36-9.5mm, wherein the adhesive is formed by mixing a component A and a component B according to the mass ratio of 4: 1.

Wherein the component A comprises the following components in parts by weight:

210 parts of 128 epoxy resin, namely, epoxy resin,

20 parts of allyl glycidyl ether, namely 20 parts of,

20 parts of styrenated phenol;

the component B comprises the following components in parts by weight:

the preparation method comprises the following steps:

(1) weighing the raw materials of the component A according to the corresponding weight parts, mixing, and stirring at normal temperature for 20min to obtain the component A;

(2) weighing the raw materials of the component B according to the corresponding weight parts, mixing, and heating to 60 ℃ to obtain the component B;

(3) mixing the component A and the component B according to the mass ratio of 2:1, stirring for 6min to obtain an adhesive, pouring the uniformly mixed adhesive into a mortar stirrer, uniformly mixing the adhesive with diabase according to the glue stone ratio of 1:7, tamping to obtain mortar, paving the mortar on a steel bridge deck, and curing the adhesive to obtain the cold-coated epoxy mortar steel bridge deck paving material.

Example 4:

a cold-coating epoxy mortar steel bridge deck pavement material is prepared by blending an adhesive and diabase with the particle size of 2.36-9.5mm and then paving, wherein the adhesive is prepared by mixing a component A and a component B according to the mass ratio of 5:1,

wherein the component A comprises the following components in parts by weight:

200 parts of 128 epoxy resin, namely, a high-performance epoxy resin,

15 parts of allyl glycidyl ether, namely 15 parts of,

12 parts of styrenated phenol;

the component B comprises the following components in parts by weight:

the preparation method comprises the following steps:

(1) weighing the raw materials of the component A according to the corresponding weight parts, mixing, and stirring at normal temperature for 15min to obtain the component A;

(2) weighing the raw materials of the component B according to the corresponding weight parts, mixing, heating to 54 ℃, and stirring for 15min to obtain the component B;

(3) mixing the component A and the component B according to the mass ratio of 2:1, stirring for 4min to obtain an adhesive, pouring the uniformly mixed adhesive into a mortar stirrer, uniformly mixing the adhesive with diabase according to the glue stone ratio of 1:6.5, tamping to obtain mortar material, paving the mortar material on a steel bridge deck, and curing the adhesive to obtain the cold-coated epoxy mortar steel bridge deck paving material.

Example 5:

a cold-coating epoxy mortar steel bridge deck pavement material is prepared by blending an adhesive and diabase with the particle size of 2.36-9.5mm and then paving, wherein the adhesive is prepared by mixing a component A and a component B according to the mass ratio of 2:1,

wherein the component A comprises the following components in parts by weight:

190 parts of 128 parts of epoxy resin,

14 parts of allyl glycidyl ether, namely 14 parts of,

13 parts of styrenated phenol;

the component B comprises the following components in parts by weight:

the preparation method comprises the following steps:

(1) weighing the raw materials of the component A in corresponding parts by weight, mixing, and stirring at normal temperature for 17min to obtain the component A;

(2) weighing the raw materials of the component B according to the corresponding weight parts, mixing, heating to 57 ℃, and stirring for 15min to obtain the component B;

(3) mixing the component A and the component B according to the mass ratio of 2:1, stirring for 4min to obtain an adhesive, pouring the uniformly mixed adhesive into a mortar stirrer, uniformly mixing the adhesive with diabase according to the glue stone ratio of 1:7, tamping to obtain mortar material, and paving the mortar material on a steel bridge floor to obtain the cold-coating type epoxy mortar steel bridge deck paving material.

Comparative example 1:

the comparative example is different from example 1 in that the component A does not contain styrenated phenol, the component B does not contain polyetheramine D400 and nonylphenol, and the rest of the raw materials, the proportion and the preparation method are the same as those in example 1.

Comparative example 2:

the comparative example is different from example 1 in that the component A does not contain 128 epoxy resin and styrenated phenol, the component B does not contain aminoethylpiperazine and nonylphenol, and the rest of raw materials, the proportion and the preparation method are the same as those of example 1.

And (3) performance testing:

the paving materials prepared in the examples 1-5 and the comparative examples 1-2 are respectively and uniformly paved on a cleaned base surface, the paving thickness is controlled to be 7mm, and after maintenance is carried out for 4-8h, the mechanical property test and the water absorption test are carried out.

And (3) testing mechanical properties: the tensile shear strength of the steel is measured according to GB/T7124-;

water absorption test: 50X 50mm mortar blocks are soaked in water for 48 hours, the weight of the mortar blocks before and after soaking is tested, and the water absorption is calculated.

TABLE 1 Performance test

As shown in the table 1, the epoxy mortar steel bridge deck pavement material provided by the invention has good mechanical properties and significantly lower water absorption rate, and is very suitable for being used in a humid environment for a long time.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.