CN103224355A - Green environmentally-friendly concrete interlocking block brick - Google Patents
Green environmentally-friendly concrete interlocking block brick Download PDFInfo
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- CN103224355A CN103224355A CN2013100486301A CN201310048630A CN103224355A CN 103224355 A CN103224355 A CN 103224355A CN 2013100486301 A CN2013100486301 A CN 2013100486301A CN 201310048630 A CN201310048630 A CN 201310048630A CN 103224355 A CN103224355 A CN 103224355A
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Abstract
The invention relates to the field of pavement laying engineering and especially relates to a green environmentally-friendly concrete interlocking block brick. The green environmentally-friendly concrete interlocking block brick is prepared from 620 to 660 weight parts of ordinary portland cement or low-alkaline portland cement having the average grain diameter of 30 to 60 microns, 90 to 110 weight parts of silica fume having the average grain diameter of 0.18 microns and SiO2 content greater than or equal to 85%, 130 to 150 weight parts of I-grade coal ash having the average grain diameter of 10 to 20 microns, 130 to 150 weight parts of more than S95 grade of slag powder having the average grain diameter of 10 to 30 microns, 1100 to 1200 weight parts of river sand having the grain diameter of 0.16 to 4.75 millimeters, 20 to 26 weight parts of a composite high-efficiency water reducer having a water-reducing rate more than 30%, 7 to 12 weight parts of a corrosion inhibitor, 135 to 155 weight parts of water, 40 to 60 weight parts of copper-coated steel fibers having the diameter of 0.18 to 0.25 millimeters and the length of 10 to 15 millimeters, 25 to 35 weight parts of end hook steel fibers having the diameter of 0.4 to 0.6 millimeters, the length of 20 to 25 millimeters and tensile strength greater than or equal to 1000MPa, and 0.8 to 1.5 weight parts of polypropylene fibers. The green environmentally-friendly concrete interlocking block brick adopts the environmentally-friendly concrete materials, greatly improves mechanical performances such as endurance of the product, avoids anticorrosion coating processing and greatly improves a design life.
Description
Technical field
The present invention relates to road surfacing engineering field, more specifically, relate to a kind of environmental protection concrete interlock block brick.
Background technology
RPC is the new concrete material of a kind of superstrength of being developed the beginning of the nineties at twentieth century by western countries such as France, high tenacity, high-durability, volume stability, the main abroad application rank of this material is the 200MPa level, performance resistance to compression index can reach 130 ~ 200MPA, folding strength can reach 16 ~ 50MPA, Young's modulus is more than 45GPa, generally more than P30, it is 0 that carbonization in 28 days detects to anti-permeability performance, and displacement flux is less than 40 coulombs.The RPC material mainly uses on railway engineering, bridge prefabrication now in continuous research and development at home, uses still blank in road surfacing engineerings such as harbour, airport.What harbour or airport pavement engineering were mainly used at present is the super thick concrete engineering brick of manufactured by common concrete, its water-intake rate big (generally 5 ~ 8%), poor, the easy carbonization of concrete of freeze-thaw resistance, big, the life-span weak point of self concrete fragility, when foundation uneven settlement, occur fracture easily, swell or fracture, frozen-thaw process easily cracks breakage, carrying and installation from great, transportation executive cost height, particularly will do the epoxide coal bituminous surface anticorrosive of doing near the road surfacing of seashore harbour handles, limit the application and the development of product greatly, increased the protection expense.
Summary of the invention
Technical problem to be solved by this invention is the defective that overcomes the existing concrete engineering brick; a kind of environmental protection concrete interlock block brick is provided; it has superstrength, high cracking resistance energy, high-durability, high permeability resistant, low water absorbable, shock-resistance; adopt unique far infrared rays maintenance simultaneously, its performance satisfies the application at pavement engineerings such as harbour, airports.
Above-mentioned purpose is realized by following technique means:
A kind of environmental protection concrete interlock block brick, make by the raw material of following mass distribution ratio:
620 ~ 660 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
290 ~ 110 parts of the silicon ashes of content 〉=85%;
130 ~ 150 parts in the I level flyash of median size 10 ~ 20 μ m;
130 ~ 150 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1100 ~ 1200 parts in the river sand of 0.16 ~ 2.36mm;
Water-reducing rate is greater than 20 ~ 26 parts of 30% composite superplasticizers;
7 ~ 12 parts of rust inhibitors;
135 ~ 155 parts in water;
40 ~ 60 parts of the copper plated steel fibers of diameter 0.18 ~ 0.25mm, length 10 ~ 15mm;
25 ~ 35 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
0.8 ~ 1.5 part of polypropylene fibre.
Above-mentioned interlock block brick is more preferably made by the raw material of following mass distribution ratio:
630 ~ 650 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
295 ~ 105 parts of the silicon ashes of content 〉=85%;
135 ~ 145 parts in the I level flyash of median size 10 ~ 20 μ m;
135 ~ 145 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1140 ~ 1180 parts in the river sand of 0.16 ~ 4.75mm;
Water-reducing rate is greater than 22 ~ 24 parts of 30% composite superplasticizers;
9 ~ 10 parts of rust inhibitors;
140 ~ 150 parts in water;
45 ~ 55 parts of the copper plated steel fibers of diameter 0.18 ~ 0.25mm, length 10 ~ 15mm;
28 ~ 32 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
1.1 ~ 1.3 parts of polypropylene fibres.
Adopt the environment-friendly type concrete material in the above-mentioned prescription, the mechanical index performance and the weather resistance of product have been increased substantially, particularly adopted polypropylene fibre to improve the shortcoming of the anti-vehicular impact difference of original normal concrete, adopted the end hook steel fiber to strengthen local sedimentation fracture resistance, solved the crack growth problem from both macro and micro, powder concrete integral body has been guaranteed the better adaptability of product to various ocean environment and weather, it goes without doing, and corrosion protection coating is handled, and increased substantially its life.
Preferably, the calcium oxide content in the described flyash is≤10%.
Preferably, the main component of described composite superplasticizer is defoamer, synergistic agent and high efficiency water reducing agent; Described rust inhibitor is trolamine boric acid ester and silicone based compound rust inhibitor.
Described river sand is preferably the river sand of continuous grading.Adopted a large amount of industrial residue powder as gelling and packing material in the material design, and adopted 0.16 ~ 4.75 millimeter continuous grading river sand to replace quartz sand in original powder concrete, reduced product cost significantly, made the product more can the marketization.
Preferably, the silt content of described river sand is less than 0.5%, and the restriction silt content can reduce powder concrete material contracts performance, and improves fracture resistance.
The thickness of described concrete interlock block brick is 40 ~ 60 mm, and the surface size of each piece brick is 0.029 ~ 0.053m
2This design optimization contour structures, the deadweight that has alleviated product significantly, single square of deadweight are 1/3 ~ 2/3 of former concrete deadweight, have reduced construction costs such as transportation, carrying, installation.
This interlock block brick is built vibratory compaction by the environment-friendly type powder concrete.The preparation method of above-mentioned concrete interlock block brick specifically may further comprise the steps:
S1. copper plated steel fiber, end hook steel fiber, polypropylene fibre and river sand are added stirrer and stir 2 ~ 3 minutes to being uniformly dispersed;
S2. in stirrer, add cement, silicon ash, flyash and slag powders and continue to stir 1 ~ 2 minute to evenly standby;
S3. in above-mentioned stirring lay-by material, add rust inhibitor, composite water-reducing agent and water successively and continue to stir 3 ~ 4 minutes, obtain green RPC (water in the whipping process can suitably be finely tuned according to the needs of actual slump 13 ~ 18CM) to being uniformly dispersed;
S4. above-mentioned concrete is evenly distributed in the integral plastics interlock block diaphragm capsule by material distributing machine, roll behind the high-frequency vibration floating, through obtaining concrete interlock block brick behind the infrared ray curing.
Aforesaid method adopts big slump material, frequency conversion high-frequency vibration production technique, and the whole diaphragm capsule mode of building is produced, energy-saving and environmental protection more.And adopted the far infrared rays maintenance, replaced traditional natural curing or vapor cure, production and delivery cycle have been shortened in energy-conserving and environment-protective.
Preferably, vibration described in the step S4 is: the employing frequency is 50 ~ 70 hertz variable frequency vibrator vibration, and the rotating speed of variable frequency vibrator is 3000 ~ 5000 rev/mins, and time of vibration is 1 ~ 2.5 minute.Adopt the vibration under this condition can guarantee that material granule resonates, slurry peels off rapidly effectively mutually fills, and forms dense structure.
Preferably, the described infrared ray curing of step S4 is quietly to stop maintenance 2 ~ 4 hours, puts into the maintenance of infrared ray curing kiln high temperature, and temperature is 90
+5 ℃, humidity 85% ~ 95%, maintenance 12 hours.
Compared with prior art, the present invention has following beneficial effect:
(1) the environmental protection concrete interlock block brick of above-mentioned prescription and preparation process preparation; its concrete crushing strength can reach 120 ~ 160MPA; folding strength can reach 14 ~ 20MPA, and Young's modulus is more than 45GPa, and anti-permeability performance is more than P30; it is 0 that carbonization in 28 days detects; displacement flux is less than 40 coulombs, and 600 circulation imponderabilities of freeze-thaw-are lost water-intake rate 1 ~ 1.5%; the overall technology index is the twice to three times of normal concrete product, and resistance to corrosion seawater is good.Can be applied to and need lay than the pavement engineerings such as port and pier stockyard, road or stockyard, airport, road of high-bearing capacity, or the multiple district of acid rain, environment road surfacing engineerings such as saline and alkaline regional road pavement.Be particularly suitable for using on port and pier, airport and other places.
(2) high-durability of product makes that not needing again component surface to be carried out coating antiseptic handles, and high permeability resistant energy and freeze-thaw-cycle performance have guaranteed that product does not influence product performance with the variation of harbour weather, salinity; High fracture resistance has reduced fractureing of product and breakage, and impact resistance has been guaranteed the prolongation in carrying work-ing life.
(3) integral product is in light weight, laying unit square area weight concrete is 1/3 ~ 2/3 of former normal concrete area, weight significantly reduces, a large amount of economical with materials, the single-block area design is optimized, reduced laying installation work quantity, adopted a large amount of silicon ashes, breeze and flyash equal industrial residue powder in the concrete proportioning, aggregate adopts the continuous grading river sand to greatly reduce the cost of making product.
Embodiment
Embodiment 1
Be equipped with concrete raw material according to following ratio:
640 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
2100 parts of the silicon ashes of content 〉=85%;
Low 140 parts in the calcium I level flyash (calcium oxide content≤10%) of median size 10 ~ 20 μ m;
140 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1160 parts in the river sand (silt content is less than 0.5%) of 0.16 ~ 4.75mm continuous grading;
Water-reducing rate is greater than 23 parts of 30% composite superplasticizers;
9.5 parts of rust inhibitors;
145 parts in water;
Diameter is the copper plated steel fiber of 0.18 ~ 0.25mm, length 10 ~ 15mm and 50 parts;
30 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
1.2 parts of polypropylene fibres;
Above-mentioned starting material are prepared and process according to following steps after being equipped with and finishing:
S1. copper plated steel fiber, end hook steel fiber, polypropylene fibre and the stirring of river sand adding stirrer that limits of will filling a prescription was uniformly dispersed in 2 ~ 3 minutes;
S2. cement, silicon ash, flyash and the slag powders that adds the prescription qualification again in stirrer continues to stir 1 ~ 2 minute to evenly standby;
S3. in above-mentioned stirring lay-by material, add rust inhibitor, composite water-reducing agent and water successively and continue to stir 3 ~ 4 minutes, obtain green RPC (water in the preparation process can suitably be finely tuned according to the needs of actual slump 13cm ~ 18cm) to being uniformly dispersed;
S4. above-mentioned concrete is evenly distributed in the whole diaphragm capsule by material distributing machine, dither vibration through 50 ~ 70 hertz was carried out surface pressure light after (rotating speed of variable frequency vibrator is 3000 ~ 5000 rev/mins) in 1 ~ 2 minute, stopped 2 ~ 4 hours through quiet naturally after the end, put into the far infrared rays curing kilns, maintenance is carried out in the pond.Curing temperature is 90 in far infrared rays curing kilns, the pond
+5 ℃, humidity 85% ~ 95%, constant temperature 12 hours.
The concrete interlock block brick performance of present embodiment preparation is as follows:
Concrete crushing strength: 144.5MPa
Concrete flexural strength: 16.9MPa
Modulus of elasticity of concrete: 46.7GPa
Concrete impermeability: 〉=P30, the P30 grade does not have the infiltration height
The anti-carbonization of concrete: it is 0mm that carbonization in 28 days detects the degree of depth
Concrete charge pass: 0.21*10
-12m
2/ s
Melting property of concrete antifreezing: short-time test, 600 times freeze-thaw cycle does not have mass loss
Concrete work degree: slump 16cm
Concrete water-intake rate: 1.13%
Interlock block fracture resistance: 16.9MPa
Chemical resistance: invade bubble respectively in the hydrochloric acid soln of the sulphuric acid soln of PH=2, PH=3, PH=4 acetum, 10% magnesium chloride, 10% metabisulfite solution, detected weight free of losses, intensity free of losses in 28 days.
Embodiment 2
Be equipped with concrete raw material according to following ratio:
620 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
290 parts of the silicon ashes of content 〉=85%;
Low 130 parts in the calcium I level flyash (calcium oxide content≤10%) of median size 10 ~ 20 μ m;
130 parts of the above breezes of S95 level of median size slag 10 ~ 30 μ m;
Particle diameter is 1100 parts in the river sand (silt content is less than 0.5%) of 0.16 ~ 2.36mm continuous grading;
Water-reducing rate is greater than 20 parts of 30% composite superplasticizers;
7 parts of rust inhibitors;
135 parts in water;
Diameter is the copper plated steel fiber of 0.18 ~ 0.25mm, length 10 ~ 15mm and 40 parts;
25 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
0.8 part of polypropylene fibre;
Preparation process is with embodiment 1.
The concrete interlock block brick performance of present embodiment preparation is as follows:
Concrete crushing strength: 126MPa
Concrete flexural strength: 14.2MPa
Modulus of elasticity of concrete: 46.3GPa
Concrete impermeability: 〉=P30, the P30 grade does not have the infiltration height
The anti-carbonization of concrete: it is 0mm that carbonization in 28 days detects the degree of depth
Concrete charge pass: 0.28*10
-12m
2/ s
Melting property of concrete antifreezing: short-time test, 600 times freeze-thaw cycle does not have mass loss
Concrete work degree: slump 12cm
Concrete water-intake rate: 1.17%
Interlock block fracture resistance: 14.0MPa
Chemical resistance: invade bubble respectively in the hydrochloric acid soln of the sulphuric acid soln of PH=2, PH=3, PH=4 acetum, 10% magnesium chloride, 10% metabisulfite solution, detected weight free of losses, intensity free of losses in 28 days.
Embodiment 3
Be equipped with concrete raw material according to following ratio:
660 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
2110 parts of the silicon ashes of content 〉=85%;
Low 150 parts in the calcium I level flyash (calcium oxide content≤10%) of median size 10 ~ 20 μ m;
150 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1200 parts in the river sand (silt content is less than 0.5%) of 0.16 ~ 2.36mm continuous grading;
Water-reducing rate is greater than 26 parts of 30% composite superplasticizers;
12 parts of rust inhibitors;
155 parts in water;
Diameter is 60 parts of the copper plated steel fibers of 0.18 ~ 0.25mm, length 10 ~ 15mm;
35 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
1.5 parts of polypropylene fibres;
Preparation process is with embodiment 1.
The concrete interlock block brick performance of present embodiment preparation is as follows:
Concrete crushing strength: 157MPa
Concrete flexural strength: 17.4MPa
Modulus of elasticity of concrete: 46.8GPa
Concrete impermeability: 〉=P30, the P30 grade does not have the infiltration height
The anti-carbonization of concrete: it is 0mm that carbonization in 28 days detects the degree of depth
Concrete charge pass: 0.31*10
-12m
2/ s
Melting property of concrete antifreezing: short-time test, 600 times freeze-thaw cycle does not have mass loss
Concrete work degree: slump 18.5cm
Concrete water-intake rate: 1.11%
Interlock block fracture resistance: 17.1MPa
Chemical resistance: invade bubble respectively in the hydrochloric acid soln of the sulphuric acid soln of PH=2, PH=3, PH=4 acetum, 10% magnesium chloride, 10% metabisulfite solution, detected weight free of losses, intensity free of losses in 28 days.
Embodiment 4
Be equipped with concrete raw material according to following ratio:
630 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
295 parts of the silicon ashes of content 〉=85%;
Low 135 parts in the calcium I level flyash (calcium oxide content≤10%) of median size 10 ~ 20 μ m;
135 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1140 parts in the river sand (silt content is less than 0.5%) of 0.16 ~ 2.36mm continuous grading;
Water-reducing rate is greater than 22 parts of 30% composite superplasticizers;
9 parts of rust inhibitors;
140 parts in water;
Diameter is 45 parts of the copper plated steel fibers of 0.18 ~ 0.25mm, length 10 ~ 15mm;
28 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
1.1 parts of polypropylene fibres;
Preparation process is with embodiment 1.
The concrete interlock block brick performance of present embodiment preparation is as follows:
Concrete crushing strength: 142MPa
Concrete flexural strength: 15.5MPa
Modulus of elasticity of concrete: 46.7GPa
Concrete impermeability: 〉=P30, the P30 grade does not have the infiltration height
The anti-carbonization of concrete: it is 0mm that carbonization in 28 days detects the degree of depth
Concrete charge pass: 0.21*10
-12m
2/ s
Melting property of concrete antifreezing: short-time test, 600 times freeze-thaw cycle does not have mass loss
Concrete work degree: slump 15cm
Concrete water-intake rate: 1.19%
Interlock block fracture resistance: 15.5MPa
Chemical resistance: invade bubble respectively in the hydrochloric acid soln of the sulphuric acid soln of PH=2, PH=3, PH=4 acetum, 10% magnesium chloride, 10% metabisulfite solution, detected weight free of losses, intensity free of losses in 28 days.
Embodiment 5
Be equipped with concrete raw material according to following ratio:
650 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
2105 parts of the silicon ashes of content 〉=85%;
Low 145 parts in the calcium I level flyash (calcium oxide content≤10%) of median size 10 ~ 20 μ m;
145 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1180 parts in the river sand (silt content is less than 0.5%) of 0.16 ~ 2.36mm continuous grading;
Water-reducing rate is greater than 24 parts of 30% composite superplasticizers;
10 parts of rust inhibitors;
150 parts in water;
Diameter is 55 parts of the copper plated steel fibers of 0.18 ~ 0.25mm, length 10 ~ 15mm;
32 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
1.5 parts of polypropylene fibres;
Preparation process is with embodiment 1.
The concrete interlock block brick performance of present embodiment preparation is as follows:
Concrete crushing strength: 149MPa
Concrete flexural strength: 17.1MPa
Modulus of elasticity of concrete: 46.0GPa
Concrete impermeability: 〉=P30, the P30 grade does not have the infiltration height
The anti-carbonization of concrete: it is 0mm that carbonization in 28 days detects the degree of depth
Concrete charge pass: 0.34*10
-12m
2/ s
Melting property of concrete antifreezing: short-time test, 600 times freeze-thaw cycle does not have mass loss
Concrete work degree: slump 18.5cm
Concrete water-intake rate: 1.22%
Interlock block fracture resistance: 16.8MPa
Chemical resistance: invade bubble respectively in the hydrochloric acid soln of the sulphuric acid soln of PH=2, PH=3, PH=4 acetum, 10% magnesium chloride, 10% metabisulfite solution, detected weight free of losses, intensity free of losses in 28 days.
Claims (9)
1. an environmental protection concrete interlock block brick is characterized in that, is made by the raw material of following mass distribution ratio:
620 ~ 660 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
290 ~ 110 parts of the silicon ashes of content 〉=85%;
130 ~ 150 parts in the I level flyash of median size 10 ~ 20 μ m;
130 ~ 150 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1100 ~ 1200 parts in the river sand of 0.16 ~ 4.75mm;
Water-reducing rate is greater than 20 ~ 26 parts of 30% composite superplasticizers;
7 ~ 12 parts of rust inhibitors;
135 ~ 155 parts in water;
40 ~ 60 parts of the copper plated steel fibers of diameter 0.18 ~ 0.25mm, length 10 ~ 15mm;
25 ~ 35 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
0.8 ~ 1.5 part of polypropylene fibre.
2. concrete interlock block brick according to claim 1 is characterized in that, is made by the raw material of following mass distribution ratio:
630 ~ 650 parts of the low alkali silicate cement of median size 30 ~ 60 μ m or ordinary Portland cements;
Median size 0.18 μ m, SiO
295 ~ 105 parts of the silicon ashes of content 〉=85%;
135 ~ 145 parts in the I level flyash of median size 10 ~ 20 μ m;
135 ~ 145 parts of the above slag powders of S95 level of median size 10 ~ 30 μ m;
Particle diameter is 1140 ~ 1180 parts in the river sand of 0.16 ~ 4.75mm;
Water-reducing rate is greater than 22 ~ 24 parts of 30% composite superplasticizers;
9 ~ 10 parts of rust inhibitors;
140 ~ 150 parts in water;
45 ~ 55 parts of the copper plated steel fibers of diameter 0.18 ~ 0.25mm, length 10 ~ 15mm;
28 ~ 32 parts of the end hook steel fibers of diameter 0.4 ~ 0.6 mm, length 20 ~ 25 mm, tensile strength 〉=1000MPa;
1.1 ~ 1.3 parts of polypropylene fibres.
3. concrete interlock block brick according to claim 1 and 2 is characterized in that the calcium oxide content in the described flyash is≤10%.
4. concrete interlock block brick according to claim 1 and 2 is characterized in that described river sand is the river sand of continuous grading.
5. concrete interlock block brick according to claim 1 and 2 is characterized in that the silt content of described river sand is less than 0.5%.
6. concrete interlock block brick according to claim 1 and 2 is characterized in that the thickness of described concrete interlock block brick is 40 ~ 60 mm, and the surface size of each piece brick is 0.029 ~ 0.053m
2
7. the preparation method of the described concrete interlock block of claim 1 brick is characterized in that, may further comprise the steps:
S1. copper plated steel fiber, end hook steel fiber, polypropylene fibre and river sand are added stirrer and stir 2 ~ 3 minutes to being uniformly dispersed;
S2. in stirrer, add cement, silicon ash, flyash and slag powders and continue to stir 1 ~ 2 minute to evenly standby;
S3. in above-mentioned stirring lay-by material, add rust inhibitor, composite water-reducing agent and water successively and continue to stir 3 ~ 4 minutes, obtain green RPC to being uniformly dispersed;
S4. above-mentioned concrete is evenly distributed in the whole diaphragm capsule by material distributing machine, roll after the vibration floating, through obtaining concrete interlock block brick behind the infrared ray curing.
8. according to the preparation method of claim 7, it is characterized in that vibration described in the step S4 is: the employing frequency is 50 ~ 70 hertz variable frequency vibrator vibration, and the rotating speed of variable frequency vibrator is 3000 ~ 5000 rev/mins, and time of vibration is 1 ~ 2.5 minute.
9. according to the preparation method of claim 7, it is characterized in that the described far infrared rays maintenance of step S4 is quietly to stop maintenance 2 ~ 4 hours, puts into the maintenance of infrared ray curing kiln high temperature, temperature is 90
+5 ℃, humidity 85% ~ 95%, maintenance 12 hours.
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