CN111302716B - Method for designing colored concrete - Google Patents

Abstract

The invention discloses a design method of colored concrete, which comprises a tamping layer, a gravel layer and a color layer, wherein the tamping layer, the gravel layer and the color layer are sequentially overlapped from bottom to top, the device is used for dividing two projects, different functions, different areas and other positions by road shoulder stones, curb stones, bridge guardrails, central separation belts on two sides of a road surface and used for blocking in urban construction, the traditional common concrete is replaced by the colored concrete, the boundary lines between different areas are divided by the colored concrete, so that the division of the safe areas is more obvious, and the colorful effect is brought to the beautification of the whole city, in addition, fluorescent materials in the surface color layer can play the weak light reflection effect, so that people going out at night, especially people driving the vehicle, can better reflect the road shoulder stones, the curb stones and the curb stones on two sides of the road surface and the road surface, and the color layer from bottom to top, Bridge railing, central dividing strip etc. carry out better differentiation, and then can improve people's trip completely.

Description

Method for designing colored concrete

Technical Field

The invention relates to the technical field of concrete, in particular to a method for designing colored concrete.

Background

The color concrete is a waterproof, antiskid and anticorrosive green environment-friendly floor decoration material, and is formed by adding a layer of color concrete on an undried cement floor and then pressing the layer of color concrete on the cement floor by using a special mould, wherein the color concrete can enable the cement floor or the asphalt floor to permanently present various colors, patterns and textures, and can form better boundary distinction with other common floors so as to achieve the effect of visual switching.

At present, the road surfaces of urban roads and residential district roads are mostly cement road surfaces or asphalt road surfaces, on one hand, the colors of the road surfaces are uniform, the attractiveness of the whole city is influenced, and visual fatigue is easily caused for a long time. Based on the above, the invention provides a method for designing colored concrete, which can be conveniently distinguished from common concrete in the occasions of road shoulder stones, kerbs and the like on both sides of a road, and the arrangement of multiple colors can bring greater beauty to the construction of cities, thereby fundamentally solving the problems in the background art.

Disclosure of Invention

The invention mainly aims to provide a method for designing colored concrete, which has the advantages of simple whole process, reasonable method design and wide popularization.

In order to achieve the purpose, the invention adopts the technical scheme that:

the design method of the colored concrete comprises a tamping layer (1), a gravel layer (2) and a color layer (3), wherein the tamping layer (1), the gravel layer (2) and the color layer (3) are sequentially stacked and arranged from bottom to top;

the ramming layer (1) consists of the following components:

coarse aggregate: 50-70 wt%; cement: 15-20 wt%; sand: 15-20 wt%; limestone powder: 1-2 wt%; water: 4-7 wt%;

the particle size range of the coarse aggregate is 5-10 mm;

the crushed stone layer (2) consists of the following components:

crushing stone: 50-70 wt%; cement: 15-20 wt%; sand: 15-20 wt%; limestone powder: 1-2 wt%; water: 4-7 wt%;

the particle size range of the crushed stone is 1.5-3 mm;

the color layer (3) is composed of the following components:

green mud stone powder: 20-25 wt%; cementing agent: 4.4-5.6 wt%; pigment: 2.15-3.20 wt%; fluorescent material: 0.15-0.20 wt%; cement: 15-20 wt%; sand: 35-40 wt%; limestone powder: 3-5 wt%; water: 4-7 wt%;

the chlorite powder is used as fine aggregate, and the particle size range is 0.5-1 mm;

the fluorescent material is prepared by mixing metal (zinc and chromium) sulfide or rare earth oxide with trace amount of active agent and calcining;

the method for designing the colored concrete comprises the following steps:

1) preparing rammed layer concrete: according to the proportion, taking coarse aggregate, sand, cement and limestone powder, mixing uniformly, adding water, and stirring into a dry and hard rammed layer (1);

2) preparing broken stone layer concrete: taking the macadam, the sand, the cement and the limestone powder according to the proportion, uniformly mixing, adding water, and stirring into a dry and hard macadam layer (2);

3) preparing color layer concrete: taking chlorite powder, sand, cement and limestone powder according to the proportion, uniformly mixing, adding a cementing agent, a pigment and a fluorescent material, fully and uniformly stirring, finally adding water, and stirring into a dry and hard color layer (3);

4) and (3) placing the concrete of the rammed layer (1) into a mould, performing vibration molding to obtain a foundation stone, placing the concrete of the gravel layer (2) after hardening, performing vibration again and natural hardening, finally placing the concrete of the color layer (3), and performing curing at room temperature, and demolding to obtain the color concrete.

As a further improvement of the invention, the colored concrete is applied to road shoulder stones, kerbs, bridge guardrails, central separation strips on both sides of a road and used for fencing to distinguish different areas or different functions of two projects in urban construction.

Compared with the prior art, the invention has the following advantages:

the device can replace the traditional common concrete into the color concrete by the curb stones, the kerb stones, the bridge guardrails, the central separation belts on the two sides of the road surface and the positions for the enclosure to distinguish two projects, different functions, different areas and the like in the urban construction, and utilizes the color concrete to distinguish the boundary lines between the different areas, the division of the safe area is more obvious, visual impact and safety feeling are brought to people going out, and brings colorful effect for the beautification of the whole city, in addition, the fluorescent material in the surface color layer can play the role of weak light reflection, thereby make the people of going on a journey night, especially the personnel of driving the trip, can be better carry out better differentiation to curb, bridge railing, central separation area etc. of road surface and road surface both sides, and then can improve people's trip safety, reduce the potential safety hazard.

Drawings

Fig. 1 is a schematic structural view of a colored concrete pavement according to the present invention.

FIG. 2 is a schematic flow chart of the method for tamping, breaking and coloring layers according to the present invention.

In the figure: 1. tamping the layer; 2. a crushed stone layer; 3. and a color layer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 and 2, a colored concrete design method, including ramming layer 1, metalling 2 and colored layer 3, ramming layer 1, metalling 2 and colored layer 3 from the bottom up superpose in proper order and arrange, ramming layer 1, metalling 2 and colored layer 3 from the bottom up's setting, can strengthen whole road system's intensity on the one hand, improve and use durability, on the other hand, colored layer 3's setting can conveniently distinguish the boundary line between the different regions for safe region's division is more obvious, visual impact and sense of safety have been brought for people's trip, and brought colorful effect for the beautification in whole city.

As shown in fig. 1 and 2, wherein the rammed layer 1 consists of the following components:

coarse aggregate: 50-70 wt%; cement: 15-20 wt%; sand: 15-20 wt%; limestone powder: 1-2 wt%; water: 4-7 wt%;

the particle size range of the coarse aggregate is 5-10 mm.

As shown in fig. 1 and 2, the crushed stone layer 2 is composed of the following components:

crushing stone: 50-70 wt%; cement: 15-20 wt%; sand: 15-20 wt%; limestone powder: 1-2 wt%; water: 4-7 wt%;

the particle size range of the broken stone is 1.5-3 mm.

As shown in fig. 1 and 2, wherein the color layer 3 is composed of the following components:

green mud stone powder: 20-25 wt%; cementing agent: 4.4-5.6 wt%; pigment: 2.15-3.20 wt%; fluorescent material: 0.15-0.20 wt%; cement: 15-20 wt%; sand: 35-40 wt%; limestone powder: 3-5 wt%; water: 4-7 wt%;

the chlorite powder is used as fine aggregate, and the particle size range is 0.5-1 mm.

The fluorescent material is formed by matching metal (zinc and chromium) sulfide or rare earth oxide with a trace of active agent and calcining, and when the daylight is dark, the fluorescent material in the surface color layer 3 can play a role of weak light reflection, so that people going out at night, especially people driving out, can better distinguish road shoulder stones, kerbs, bridge guardrails, central separation belts and the like on the road surface and on the two sides of the road surface, and further can improve the safety of people going out.

As shown in fig. 2, wherein, the following steps are included:

1) preparing rammed layer concrete: according to the proportion, taking coarse aggregate, sand, cement and limestone powder, uniformly mixing, adding water, and stirring into a dry and hard rammed layer 1;

2) preparing broken stone layer concrete: according to the proportion, taking the macadam, the sand, the cement and the limestone powder, mixing uniformly, adding water, and stirring into a dry and hard macadam layer 2;

3) preparing color layer concrete: taking chlorite powder, sand, cement and limestone powder according to the proportion, uniformly mixing, adding a cementing agent, a pigment and a fluorescent material, fully and uniformly stirring, finally adding water, and stirring into a dry and hard color layer 3;

4) and (2) putting the concrete of the tamping layer 1 into a mould, performing vibration molding to obtain a foundation stone, putting the concrete of the gravel layer 2 after hardening, performing vibration again and natural hardening, finally putting the concrete of the color layer 3, and performing room-temperature environmental curing and demoulding to obtain the color concrete.

As shown in fig. 1, the colored concrete is applied to road shoulder stones, kerbs, bridge guardrails, central separation zones on both sides of a road, and in urban construction, is used for blocking different areas or different functions for distinguishing two projects, and the like, and the arrangement of the colored concrete on the surface layer can make the division of a safety area more obvious, and bring visual impact and a sense of safety for people going out.

The invention relates to a method for designing colored concrete, which comprises the following steps: putting the coarse aggregate, the cement, the sand and the limestone powder into a stirring device according to a certain weight ratio, fully and uniformly stirring the raw materials, then adding a proper amount of water, stirring again, and keeping the mixture for later use after stirring; the manufacturing process of the gravel layer 2 is the same as that of the tamping layer 1, only the coarse aggregate is changed into gravel, and the gravel is stirred for standby; the color layer 3 is the same as the tamping layer 1 or the gravel layer 2 in the same manufacturing process, raw material coarse aggregate or gravel is changed into chlorite powder, cementing agent, pigment and fluorescent material, and is fully stirred for standby, after the tamping layer 1, the gravel layer 2 and the color layer 3 are respectively fully stirred, the whole implementation process is basically the same as the common construction process, but the multi-layer pouring process is adopted for implementation, firstly, the concrete of the tamping layer 1, the gravel layer 2 and the color layer 3 is transported to a construction site through a cement tank car for on-site pouring operation, road shoulder stones, road edge stones, bridge guardrails, central separation belts and the like on the road section or the two sides of the road to be constructed are fixedly installed by a mould, the concrete of the tamping layer 1 is used as the lowest layer and is in direct contact with the roadbed, and the tamping layer 1 is continuously vibrated by a vibrator, so that the coarse aggregate, The cement, the sand and the limestone powder are tightly combined together, after the tamping layer 1 is solidified, the concrete of the gravel layer 2 is put in, the vibration is carried out again and the natural hardening is carried out, finally, the concrete of the color layer 3 is put in, and after the room temperature environment maintenance, the color concrete is obtained by demoulding.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. The design method of the colored concrete is characterized by comprising a tamping layer (1), a gravel layer (2) and a color layer (3), wherein the tamping layer (1), the gravel layer (2) and the color layer (3) are sequentially stacked and arranged from bottom to top;

the ramming layer (1) consists of the following components:

coarse aggregate: 50-70 wt%; cement: 15-20 wt%; sand: 15-20 wt%; limestone powder: 1-2 wt%; water: 4-7 wt%;

the particle size range of the coarse aggregate is 5-10 mm;

the crushed stone layer (2) consists of the following components:

crushing stone: 50-70 wt%; cement: 15-20 wt%; sand: 15-20 wt%; limestone powder: 1-2 wt%; water: 4-7 wt%;

the particle size range of the crushed stone is 1.5-3 mm;

the color layer (3) is composed of the following components:

green mud stone powder: 20-25 wt%; cementing agent: 4.4-5.6 wt%; pigment: 2.15-3.20 wt%; fluorescent material: 0.15-0.20 wt%; cement: 15-20 wt%; sand: 35-40 wt%; limestone powder: 3-5 wt%; water: 4-7 wt%;

the chlorite powder is used as fine aggregate, and the particle size range is 0.5-1 mm;

the fluorescent material is prepared by mixing zinc sulfide, chromium sulfide or rare earth oxide with a trace amount of active agent and calcining;

the method for designing the colored concrete comprises the following steps:

1) preparing rammed layer concrete: according to the proportion, taking coarse aggregate, sand, cement and limestone powder, mixing uniformly, adding water, and stirring into a dry and hard rammed layer (1);

2) preparing broken stone layer concrete: taking the macadam, the sand, the cement and the limestone powder according to the proportion, uniformly mixing, adding water, and stirring into a dry and hard macadam layer (2);

3) preparing color layer concrete: taking chlorite powder, sand, cement and limestone powder according to the proportion, uniformly mixing, adding a cementing agent, a pigment and a fluorescent material, fully and uniformly stirring, finally adding water, and stirring into a dry and hard color layer (3);

4) and (3) placing the concrete of the rammed layer (1) into a mould, performing vibration molding to obtain a foundation stone, placing the concrete of the gravel layer (2) after hardening, performing vibration again and natural hardening, finally placing the concrete of the color layer (3), and performing curing at room temperature, and demolding to obtain the color concrete.

2. The method for designing colored concrete according to claim 1, wherein: the colored concrete is applied to road shoulder stones, kerbs, bridge guardrails and central separation strips on two sides of a road.

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