CN204919255U - Do not need combined type concrete road surface of maintenance - Google Patents
Do not need combined type concrete road surface of maintenance Download PDFInfo
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- CN204919255U CN204919255U CN201520502101.9U CN201520502101U CN204919255U CN 204919255 U CN204919255 U CN 204919255U CN 201520502101 U CN201520502101 U CN 201520502101U CN 204919255 U CN204919255 U CN 204919255U
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Abstract
The utility model discloses a do not need combined type concrete road surface of maintenance. The combined type concrete road surface has set gradually the common concrete layer from bottom to top, the C50 level does not need maintenance concrete layer I and C50 level not to need maintenance concrete layer II. The utility model discloses do not need maintenance combined type concrete road surface can realize the proper motion of the inside humidity in concrete road surface and adjust, alleviate inside self -constriction of concrete and dry shrinkage effectively, promoted the secondary aquation of cement aquation and mineral admixture, reduced the fracture of concrete, improved the construction quality of concrete road surface, strengthen the intensity and the durability of concrete road surface, improved the quality and the durability of highway structure.
Description
Technical field
The utility model belongs to construction engineering technical field, is specifically related to a kind of Combined concrete road surface not needing maintenance.
Background technology
At present, ordinary highway owing to being influenced by the adverse circumstances, such as high temperature, strong wind etc., after causing construction, concrete water evaporation is too fast, needs strictly, maintenance measure timely; But highway communication engineering does not often possess good curing condition, or maintenance measure is not in place, easily cause road crust and even lower-layer concrete dehydration cracking, make it be vulnerable to the erosion of external environment, cause the reduction of concrete strength and durability.And the reason of the aspect such as sharp increase, automobile heavy-duty of the traffic volume, also can cause the damage of highway pavement further, cause the decline of pavement quality and durability, have impact on the normal operation of road.
Summary of the invention
The technical problems to be solved in the utility model is: according to existing highway road surface exist pavement quality and durability under degradation defect, the utility model provides a kind of Combined concrete road surface not needing maintenance.
In order to solve the problem, the technical scheme that the utility model is taked is:
The utility model provides a kind of Combined concrete road surface not needing maintenance, and described Combined concrete road surface is disposed with ordinary concrete layer from bottom to top, C50 level does not need curing concrete layer I and C50 level does not need curing concrete layer II.
According to the above-mentioned Combined concrete road surface not needing maintenance, the thickness of described ordinary concrete layer is 6 ~ 10cm; Described C50 level does not need the thickness of curing concrete layer I to be 7 ~ 10cm; Described C50 level does not need the thickness of curing concrete layer II to be 7 ~ 10cm.
According to the above-mentioned Combined concrete road surface not needing maintenance, described C50 level does not need curing concrete layer I to be that the C50 level be prepared from by following methods does not need curing concrete making to form, and its preparation method is:
A, C50 level does not need the raw material of curing concrete to consist of: with 1m
3concrete meter, is made up of raw material cement 405kg, coarse aggregate 1032kg, fines 747kg, water 171kg, mineral admixture 45kg, water reducing agent 3.6kg and super absorbent polymer 0.9kg;
B, not need the raw material of curing concrete to form accurately to take various raw material according to C50 level described in step a, be as the criterion with absolutely dried condition; First water raw material super absorbent polymer being absorbed own wt 10 times carries out pretreatment;
C, the raw material fines of preparation, coarse aggregate, cement and mineral admixture poured into successively wetting after mixer in stir, dry mixing is to mixing;
D, then add water reducing agent and removing super absorbent polymer water suction consumption after remaining water 162kg stir, finally add pretreated super absorbent polymer and be stirred to evenly, obtain C50 level and do not need curing concrete.
According to the above-mentioned Combined concrete road surface not needing maintenance, described C50 level does not need curing concrete layer II to be that the C50 level be prepared from by following methods does not need curing concrete making to form, and its preparation method is:
A, C50 level does not need the raw material of curing concrete to consist of: with 1m
3concrete meter, is made up of raw material cement 405kg, coarse aggregate 1032kg, fines 747kg, water 171kg, mineral admixture 45kg, water reducing agent 3.6kg and super absorbent polymer 0.9kg;
B, not need the raw material of curing concrete to form accurately to take various raw material according to above-mentioned C50 level, be as the criterion with absolutely dried condition; First water raw material super absorbent polymer being absorbed own wt 10 times carries out pretreatment;
C, the raw material fines of preparation, coarse aggregate, cement and mineral admixture poured into successively wetting after mixer in stir, dry mixing is to mixing;
D, then add water reducing agent and water 171kg stirs, finally add pretreated super absorbent polymer and be stirred to evenly, obtain C50 level and do not need curing concrete.
According to the above-mentioned Combined concrete road surface not needing maintenance, described cement is P.O42.5 Portland cement; Described coarse aggregate is particle diameter 5 ~ 20mm continuous grading rubble; Described fines is natural river sand, and its sand coarse aggregate ratio is 42%; Described water is tap water; Described mineral admixture is second class powered coal ash; Described water reducing agent is YJK-01 type high-performance polycarboxylic acids water reducing agent, is provided by Zhen Xiang road and bridge Science and Technology Ltd. of Henan Province, and its water-reducing rate is 27%; Described super absorbent polymer is the high hydroscopic resin SAP provided by the prosperous photoinitiator chemical Products Co., Ltd of Renqiu City, and its particle diameter is 100 orders.
According to the above-mentioned Combined concrete road surface not needing maintenance, described mixer adopts forced mixer.
The utility model does not need the construction method of the Combined concrete road structure of conventional maintenance measure, during construction, before the lower-layer concrete initial setting time, carries out the concrete construction of adjacent upper.
positive beneficial effect of the present utility model:
1, the utility model does not need maintenance Combined concrete road surface can realize the adjustment voluntarily of rigid pavement interior humidity, effectively alleviate inside concrete self-constriction and dry contraction, facilitate the secondary hydration of hydrated cementitious and mineral admixture thereof, reduce concrete cracking, improve the construction quality of rigid pavement.
2, the utility model does not need the Combined concrete road structure of conventional maintenance measure, enhances intensity and the durability of rigid pavement, improves quality and the durability of highway structure.
3, the utility model does not need maintenance Combined concrete pavement construction simple, does not need maintenance measure, can ensure pavement quality, improves the durability on road surface, has significant Social benefit and economic benefit.
four, accompanying drawing illustrates:
Fig. 1 the present invention does not need the structural representation on maintenance Combined concrete road surface.
In figure: 1 is ordinary concrete layer, and 2 do not need curing concrete layer I, 3 not need curing concrete layer II for C50 level for C50 level.
five, detailed description of the invention:
Set forth the utility model further below in conjunction with embodiment, but do not limit content of the present utility model.
The level of C50 described in following examples does not need curing concrete layer I to be that the C50 level be prepared from by following methods does not need curing concrete making to form, and its preparation method is:
A, C50 level does not need the raw material of curing concrete to consist of: with 1m
3concrete meter, is made up of raw material cement 405kg, coarse aggregate 1032kg, fines 747kg, water 171kg, mineral admixture 45kg, water reducing agent 3.6kg and super absorbent polymer 0.9kg;
The cement adopted is P.O42.5 Portland cement; Coarse aggregate is particle diameter 5 ~ 20mm continuous grading rubble; Fines is natural river sand, and its sand coarse aggregate ratio is 42%; Water is tap water; Mineral admixture is second class powered coal ash; Water reducing agent is YJK-01 type high-performance polycarboxylic acids water reducing agent, is provided by Zhen Xiang road and bridge Science and Technology Ltd. of Henan Province, and its water-reducing rate is 27%; Super absorbent polymer is the high hydroscopic resin SAP provided by the prosperous photoinitiator chemical Products Co., Ltd of Renqiu City, and its particle diameter is 100 orders;
B, not need the raw material of curing concrete to form accurately to take various raw material according to C50 level described in step a, be as the criterion with absolutely dried condition; First water raw material super absorbent polymer being absorbed own wt 10 times carries out pretreatment;
C, the raw material fines of preparation, coarse aggregate, cement and mineral admixture poured into successively wetting after forced mixer in stir, dry mixing 30s is to mixing;
D, then add water reducing agent and removing super absorbent polymer water suction consumption after remaining water 162kg carry out stirrings 100s, finally add pretreated super absorbent polymer and stir 60s to even, obtain C50 level and do not need curing concrete.
The C50 level adopted does not need curing concrete layer II to be that the C50 level be prepared from by following methods does not need curing concrete making to form, and its preparation method is:
A, C50 level does not need the raw material of curing concrete to consist of: with 1m
3concrete meter, forms primarily of raw material cement 405kg, coarse aggregate 1032kg, fines 747kg, water 171kg, mineral admixture 45kg, water reducing agent 3.6kg and super absorbent polymer 0.9kg;
The cement adopted is P.O42.5 Portland cement; Coarse aggregate is particle diameter 5 ~ 20mm continuous grading rubble; Fines is natural river sand, and its sand coarse aggregate ratio is 42%; Water is tap water; Mineral admixture is second class powered coal ash; Water reducing agent is YJK-01 type high-performance polycarboxylic acids water reducing agent, is provided by Zhen Xiang road and bridge Science and Technology Ltd. of Henan Province, and its water-reducing rate is 27%; Super absorbent polymer is the high hydroscopic resin SAP provided by the prosperous photoinitiator chemical Products Co., Ltd of Renqiu City, and its particle diameter is 100 orders;
B, not need the raw material of curing concrete to form accurately to take various raw material according to above-mentioned C50 level, be as the criterion with absolutely dried condition; First water raw material super absorbent polymer being absorbed own wt 10 times carries out pretreatment;
C, the raw material fines of preparation, coarse aggregate, cement and mineral admixture poured into successively wetting after mixer in stir, dry mixing 30s is to mixing;
D, then add water reducing agent and water 171kg carries out stirring 100s, finally add pretreated super absorbent polymer and stir 60s to evenly, obtain C50 level and do not need curing concrete.
Embodiment 1:
See accompanying drawing 1, the present invention does not need maintenance Combined concrete road surface, is disposed with ordinary concrete layer 1 from bottom to top, C50 level does not need curing concrete layer I 2 and C50 level does not need curing concrete layer II 3.
Wherein C50 level does not need curing concrete layer I to be the concrete making prepared by above-mentioned first method; C50 level does not need curing concrete layer II to be the concrete making prepared by above-mentioned second method.
Embodiment 2: substantially the same manner as Example 1, difference is:
The thickness of ordinary concrete layer 1 is that 8cm, C50 level does not need the thickness of curing concrete layer I 2 to be that 9cm, C50 level does not need the thickness of curing concrete layer II 3 to be 9cm.
Embodiment 3: substantially the same manner as Example 1, difference is:
The thickness of ordinary concrete layer 1 is that 10cm, C50 level does not need the thickness of curing concrete layer I 2 to be that 7cm, C50 level does not need the thickness of curing concrete layer II 3 to be 10cm.
Embodiment 4: substantially the same manner as Example 1, difference is:
The thickness of ordinary concrete layer 1 is that 6cm, C50 level does not need the thickness of curing concrete layer I 2 to be that 10cm, C50 level does not need the thickness of curing concrete layer II 3 to be 7cm.
Embodiment 5: substantially the same manner as Example 1, difference is:
The thickness of ordinary concrete layer 1 is that 7cm, C50 level does not need the thickness of curing concrete layer I 2 to be that 9cm, C50 level does not need the thickness of curing concrete layer II 3 to be 9cm.
The present invention is not limited only to above-described embodiment, the simple change that those skilled in the art make in the scope of protection of the invention, simply replaces, and all belongs within scope.
Claims (2)
1. do not need a Combined concrete road surface for maintenance, it is characterized in that: described Combined concrete road surface is disposed with ordinary concrete layer from bottom to top, C50 level does not need curing concrete layer I and C50 level does not need curing concrete layer II.
2. do not need the Combined concrete road surface of maintenance according to claim 1, it is characterized in that: the thickness of described ordinary concrete layer is 6 ~ 10cm; Described C50 level does not need the thickness of curing concrete layer I to be 7 ~ 10cm; Described C50 level does not need the thickness of curing concrete layer II to be 7 ~ 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520502101.9U CN204919255U (en) | 2015-07-13 | 2015-07-13 | Do not need combined type concrete road surface of maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520502101.9U CN204919255U (en) | 2015-07-13 | 2015-07-13 | Do not need combined type concrete road surface of maintenance |
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| Publication Number | Publication Date |
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| CN204919255U true CN204919255U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520502101.9U Expired - Fee Related CN204919255U (en) | 2015-07-13 | 2015-07-13 | Do not need combined type concrete road surface of maintenance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673056A (en) * | 2022-03-03 | 2022-06-28 | 宁夏交通建设股份有限公司 | Cement-stabilized internal curing base layer for desert highway and construction method |
-
2015
- 2015-07-13 CN CN201520502101.9U patent/CN204919255U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673056A (en) * | 2022-03-03 | 2022-06-28 | 宁夏交通建设股份有限公司 | Cement-stabilized internal curing base layer for desert highway and construction method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |