KR101863629B1 - Method of construction of sidewalk pavement using environmentally friendly permeable aggregate - Google Patents
Method of construction of sidewalk pavement using environmentally friendly permeable aggregate Download PDFInfo
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- KR101863629B1 KR101863629B1 KR1020170072478A KR20170072478A KR101863629B1 KR 101863629 B1 KR101863629 B1 KR 101863629B1 KR 1020170072478 A KR1020170072478 A KR 1020170072478A KR 20170072478 A KR20170072478 A KR 20170072478A KR 101863629 B1 KR101863629 B1 KR 101863629B1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/02—Coherent pavings made in situ made of road-metal without binders
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
- E01C2201/20—Drainage details
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a press pavement construction method using an environmentally friendly water permeable aggregate, and more particularly, to a pavement pavement construction method using environmentally friendly water permeable aggregate, and more particularly, to a pavement pavement construction method, Surface pavement construction method using eco-friendly water-permeable aggregate, which has an effect of minimizing the impact on environment of soil and ecosystem by using environment-friendly water-permeable aggregate, improving permeability coefficient and increasing adhesive strength .
Description
The present invention relates to a press pavement construction method using an environmentally friendly water permeable aggregate, and more particularly, to a pavement pavement construction method using environmentally friendly water permeable aggregate, and more particularly, to a pavement pavement construction method, The present invention relates to a method for constructing a sidewalk pavement using environmentally friendly water permeable aggregate, which is composed of a surface laying step and an environmentally friendly water permeable aggregate overlying an auxiliary layer.
Generally, sidewalks are packed with cement concrete or blocks with pitch or drainage capacity in preparation for heavy rainfall or heavy rainfall.
However, when the water permeability and drainage performance are lowered, it interferes with the underground penetration of the rainwater, and thus the loss of rainwater is increased, resulting in depletion of groundwater resources and destruction of surrounding environment due to rainwater as well as flood.
Accordingly, a variety of construction prevention methods have been developed to protect the ground by smoothly penetrating the underground of the storm, and to prevent the permeability and the partial settlement of the storm that has passed through the ground.
The proposed technique is as follows.
According to the water permeable floor packing method (Korean Registered Patent Application No. 10-2011-0070087 (July 14, 2011)), the above-mentioned technique is characterized in that an aggregate sorting step of passing the prepared aggregates through a plurality of mesh nets in sequence, A step of washing the aggregate selected in the step of sorting the aggregate with washing water, a step of washing the aggregate washed in the aggregate washing step with stirring at the same time to separate and remove the foreign matter adhering to the surface of the aggregate, An aggregate drying step of removing moisture of the aggregate from which foreign substances have been removed in the heating and stirring step, a polyurethane binder producing step of mixing a polyol and an isocyanate component to form a polyurethane binder to which an aggregate is adhered, And the polyurethane binder prepared in the step of preparing the polyurethane binder were mixed with each other A polyurethane binder coating step of coating a polyurethane binder on the surface of the ash to form a coating material having a coating layer formed thereon, a bottom packaging step of placing the packaging material on a floor, and curing the packaging material applied through the bottom packaging step, And a curing step of adhering and fixing the aggregates to each other by the adhesive force of the polyurethane binder while being in contact with the surrounding aggregate. In the heating and stirring step, the aggregate is heated to a temperature of 50 to 300 ° C and the aggregate and the polyurethane binder The mixing ratio is 1: 0.02 ~ 1: 0.1 weight ratio, which increases the adhesive force between the binder and the aggregate. Through this, it is possible to construct the permeable floor with high permeability and high adhesive strength,
And with the proposed technology
The present invention relates to a low-permeability waterproofing method and a press block for use in the method (Korean Patent Registration No. 10-2009-0072381 (Aug. 2009)), A step of laying a first water-permeable sheet on the coarse aggregate, a step of laying a fine aggregate on the first water-permeable sheet, a step of laying a second water-permeable sheet on the fine aggregate, And installing a press block made of permeable concrete on the second water permeable sheet to prevent overflow of the excess water that has not been absorbed during rainfall and to preserve groundwater.
However, the prior art has a disadvantage in that the ground layer or the aggregate is partially lost due to the passage of time, and a partial settlement occurs in which a part of the surface sinks.
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a press pavement construction method using an environmentally friendly and water permeable eco-friendly water permeable aggregate.
Another aspect of the present invention is to provide a sidewalk pavement construction method using an environmentally friendly water permeable aggregate for laying an environmentally friendly water permeable aggregate at a proper height.
In order to solve the above problems and achieve the object, the present invention provides a press pavement construction method using an environmentally-friendly water-permeable aggregate, comprising: forming a base layer (S100)
A step (S200) of sanding the sand to the upper layer of the evenly compaction;
(S300) of installing a boundary stone on the side where the base layer is formed after the sand is laid;
(S400) for forming an auxiliary layer by laying an aggregate having a height of 100 mm to 200 mm on the sand layer;
(S500) of placing a water permeable aggregate (500) at a height of 35 mm to 150 mm above the auxiliary layer;
Compaction step (S600) of flattening the installed permeable aggregate material (500);
A curing step (S700) for curing a predetermined period of time to cure the chopped water-permeable aggregate (500); And
After the curing step (S700), an aggregate surface laying step (S800) for laying the aggregate at a height of 10 mm to 20 mm in an upper layer of the water permeable aggregate (500).
The water permeable aggregate 500 is composed of circulating fine aggregate having a diameter of 1 to 5 mm and recycled aggregate having a diameter of 20 to 40 mm. The protruding portion of the outer surface is polished and then washed and dried.
The circulating fine aggregate and the recycled aggregate are mixed at a weight ratio of 0.01 to 0.03: 1, and the mixture is introduced into a closed chamber. The mixture is stirred at a temperature of -10 to 100 ° C under a pressure of 2 to 7 atm. And react for 5 to 30 minutes.
The circulating fine aggregate and the recycled aggregate are accelerated carbonation reaction and have a water content of 1 to 3%, a dry density of 2.0 g / cm 3 to 4.0 g / cm 3 m, and a pH of 7 to 11.
The circulating fine aggregate and the recycled aggregate are mixed with a colloidal silica solution having a concentration of 2 to 10% and surface-treated.
The water permeable aggregate 500 comprises 28 to 75 parts by weight of a natural polyol, 28 to 67 parts by weight of a hard polyol having a molecular weight of 100 to 1000 and a functional group of 3 to 10 and a gelling catalyst or a saturated catalyst 0.1 to 1.5 parts by weight of a catalyst and having a viscosity of 600 to 5500 cps / 23 DEG C; A curing agent composed of an isocyanate compound having an NCO content of 30 to 32 wt% and a viscosity of 170 to 250 cps / 23 DEG C, wherein the curing agent and the curing agent are mixed in a weight ratio of 100: 20 to 100, 0.5 to 1.5 parts by weight of an extender, and 1 to 0.02 to 0.1 parts by weight of a binder.
The resinous catalyst may be selected from the group consisting of DBTL (Dibutyltin dilaurate), stannous octoate, TEDA (triethylene diamine), DMEA (dimethyl ethanolamine), TMBDA (tetramethyl butane diamine), DMCHA (dimethyl cyclohexyl amine) , Triethylamine (TEA), and the saturation catalyst is a tertiary amine.
The press pavement construction method using the environmentally friendly water permeable aggregate according to the present invention has the following effects.
(1) Minimize the influence on environment of soil and ecosystem by using environment-friendly permeable aggregate.
(2) The use of eco-friendly water-permeable aggregate improves the permeability coefficient and increases the adhesive strength, resulting in high adhesive strength.
1 is a process diagram of a press pavement construction method using an environmentally friendly water permeable aggregate.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
The terms used below are defined in consideration of the functions of the present invention. These terms may vary depending on the intention or custom of the user, the operator, and the like. The definition is based on the "press pavement construction method using environmentally- "Which is incorporated herein by reference in its entirety.
Referring to FIG. 1, a press pavement construction method using an environmentally friendly water permeable aggregate according to the present invention includes a base layer formation step (S100) for uniformly compaction of a ground to be applied;
A step (S200) of sanding the sand to the upper layer of the evenly compaction;
(S300) of installing a boundary stone on the side where the base layer is formed after the sand is laid;
(S400) for forming an auxiliary layer by laying an aggregate having a height of 100 mm to 200 mm on the sand layer;
(S500) of placing a water permeable aggregate (500) at a height of 35 mm to 150 mm above the auxiliary layer;
Compaction step (S600) of flattening the installed permeable aggregate material (500);
A curing step (S700) for curing a predetermined period of time to cure the chopped water-permeable aggregate (500); And
After the curing step (S700), an aggregate surface laying step (S800) for laying the aggregate at a height of 10 mm to 20 mm in an upper layer of the water permeable aggregate (500).
The installing step S300 and the auxiliary equipment layer forming step S400 may be omitted depending on the state or condition of the ground.
In addition, a honeycomb cell mounting step for mounting a honeycomb cell (not shown) as an upper layer of the auxiliary layer may be added. The water permeable aggregate 500 is filled into the inside of the honeycomb cell installed at this time.
The honeycomb cell material is made of one material selected from among carbon fiber reinforced plastics (CFRP), fiber reinforced plastics (FRP), polypropylene, and polyethylene. The materials are robust and rigid, It has an effect of preventing partial settlement due to internal filling.
The water permeable aggregate 500 is composed of circulating fine aggregate having a diameter of 1 to 5 mm and recycled aggregate having a diameter of 20 to 40 mm. The protruding portion of the outer surface is polished and then washed and dried. However, the size of the circulating fine aggregate and the recycled aggregate is not limited as described above, and in some cases, the user can selectively use an aggregate having an appropriate size.
The water permeable aggregate 500 increases the compressive strength because the angled portions and the protruding portions are polished to secure the pores and increase the surface area without lowering the permeability coefficient, thereby bonding the aggregates 200 together.
The circulating fine aggregate and the recycled aggregate are mixed at a weight ratio of 0.01 to 0.03: 1, and the mixture is introduced into a closed chamber. The mixture is stirred at a temperature of -10 to 100 ° C under a pressure of 2 to 7 atm. The reaction is carried out for 5 to 30 minutes. The accelerated carbonation reaction has a water content of 1 to 3%, a desorbing density of 2.0 g / cm 3 to 4.0 g / cm 3 and a pH of 7 to 11.
In the production of recycled fine aggregates and recycled aggregates using the accelerated carbonation reaction, the use of natural aggregates is replaced by the effect of increasing the density due to the recycle aggregate pore filling of the reaction product CaCO 3 , and the use of Ca (OH) 2 environmentally friendly effect that minimizes soil, water quality and ecosystem effects due to the pH reduction effect due to carbonation reaction.
In addition, the circulating fine aggregate and the recycled aggregate may be surface-treated by mixing with a colloidal silica solution at a concentration of 2 to 10% to have properties similar to natural aggregate having a low water absorption and high compressive strength.
The water permeable aggregate 500 comprises 28 to 75 parts by weight of a natural polyol, 28 to 67 parts by weight of a hard polyol having a molecular weight of 100 to 1000 and a functional group of 3 to 10 and a gelling catalyst or a saturated catalyst 0.1 to 1.5 parts by weight of a catalyst and having a viscosity of 600 to 5500 cps / 23 DEG C; A curing agent composed of an isocyanate compound having an NCO content of 30 to 32 wt% and a viscosity of 170 to 250 cps / 23 DEG C, wherein the curing agent and the curing agent are mixed in a weight ratio of 100: 20 to 100, 0.5 to 1.5 parts by weight of an extender, and 1 to 0.02 to 0.1 parts by weight of a binder.
The resinous catalyst may be selected from the group consisting of DBTL (Dibutyltin dilaurate), stannous octoate, TEDA (triethylene diamine), DMEA (dimethyl ethanolamine), TMBDA (tetramethyl butane diamine), DMCHA (dimethyl cyclohexyl amine) , Triethylamine (TEA), and the saturation catalyst is a tertiary amine.
Further, other binders can be used, and the binder used herein is mixed and stirred with a polyurethane binder prepared by mixing polyol resin and isocyanate resin at a volume ratio of 1: 0.7 to 1.5 at a weight ratio of 1: 0.02 to 0.1.
Wherein at least one of toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), polymeric MDI, toluidine diisocyanate (TODI) and p-phenylene isocyanate is selected and mixed as the isocyanate resin, Based resin is selected from the group consisting of polyoxypropylene glycol, polyoxypropylene polyoxyethylene glycol, polyoxybutylene glycol, polyoxytetramethylene glycol, polyoxypropylene triol, and polyoxypropylene polyoxyethylene triol, Mixed.
The polyol resin and the isocyanate resin are mixed at a reaction temperature of 60 to 120 ° C for 3 to 5 hours to have an NCO content of 10 to 22% by weight and a viscosity of 200 to 2,000 cps / 25 ° C. The isocyanate The resin comprises two or more NCO functional groups.
As described above, the binder used in combination with the water-permeable aggregate 500 has been typically described above. However, since the binder can be selected and used by the user, the binder has excellent durability and high elasticity It is possible to prevent the problem that the surface of the aggregate is deformed or broken, and an appropriate gap is formed between the aggregate and the aggregate, which is advantageous in that the drainage is excellent.
Example
The water permeable aggregate mentioned in the press pavement construction method using the environmentally friendly water permeable aggregate according to the present invention was prepared and a binder was mixed with the water permeable aggregate to prepare a test specimen.
Experimental Example One
The pavement strength (MPa) was measured by preparing an eco-friendly water permeable aggregate test piece according to the above example, and the results are shown in Table 1 below.
Serial number
21
KS F 2405
As shown in Table 1, the compressive strengths (MPa) were 20.5 and 19.5, respectively, on the basis of the KS quality standard, which satisfied the criterion, and the compressive strength of the test specimens according to the examples was excellent.
Experimental Example 2
The water permeability coefficient was measured by preparing the eco-friendly water permeable aggregate test piece according to the above examples, and the results are shown in Table 2 below.
One
cm / sec
KS F 2322
As shown in Table 2, the permeability coefficient was 2.98 x 10 <" 2 > according to the quality standard, and it was found that the permeability coefficient of the test sample according to the above example is excellent.
As described above, the press pavement construction method using the environmentally friendly water permeable aggregate according to the present invention minimizes the influence on soil and ecosystem environment, improves the permeability coefficient by using environment-friendly water permeable aggregate, It is effective.
While the present invention has been described with reference to a limited number of embodiments and drawings, it is to be understood that the invention is not limited thereto and that various changes and modifications within the spirit and scope of the appended claims, Of course, it is possible to modify it.
S100: Base layer forming step S200: Sand loading step
S300: Boundary stone installation step S400: Border layer formation step
S500: Water permeable aggregate material placing step S600: Compaction step
S700: Curing step S800: Aggregate surface laying step
500: Permeable aggregate
Claims (7)
The sidewalk pavement construction method
A base layer forming step of uniformly grasping the surface to be applied;
A sand laying step of sanding the evenly-sanded upper layer;
A step of installing a barrier block on the side where the base layer is formed after the sand is laid;
An auxiliary layer forming step of forming an auxiliary layer by laying an aggregate having a height of 100 mm to 200 mm on the laid sand layer;
A water permeable aggregate material placing step of laying the water permeable aggregate material at a height of 35 mm to 150 mm on the upper layer of the auxiliary material layer;
A compaction step of flattening the installed permeable aggregate;
A curing step of curing the compacted water-permeable aggregate for a predetermined period of time; And
And an aggregate layer laying step of placing the aggregate at a height of 10 mm to 20 mm in the upper layer of the water permeable aggregate after the curing step,
A honeycomb cell may be provided as an upper layer of the auxiliary layer,
The water permeable aggregate is composed of circulating fine aggregate having a diameter of 1 to 5 mm and recycled aggregate having a diameter of 20 to 40 mm. The protruded portion is polished and then washed and dried,
The circulating fine aggregate and the recycled aggregate are mixed at a weight ratio of 0.01 to 0.03: 1, and the mixture is introduced into a closed chamber. The mixture is stirred at a temperature of -10 to 100 ° C under a pressure of 2 to 7 atm. And the reaction is carried out for 5 to 30 minutes,
The circulating fine aggregate and the recycled aggregate are mixed with a colloidal silica solution having a concentration of 2 to 10%
28 to 75 parts by weight of a natural polyol, 28 to 67 parts by weight of a hard polyol having a molecular weight of 100 to 1000 and a functional group of 3 to 10, a gelling catalyst or a blowing catalyst 0.1 To 1.5 parts by weight and having a viscosity of 600 to 5500 cps / 23 DEG C; A curing agent composed of an isocyanate compound having an NCO content of 30 to 32 wt% and a viscosity of 170 to 250 cps / 23 DEG C, wherein the curing agent and the curing agent are mixed in a weight ratio of 100: 20 to 100, 0.5 to 1.5 parts by weight of an extender, and a binder in an amount of 1: 0.02 to 0.1,
The circulating fine aggregate and the recycled aggregate are accelerated carbonation reaction and have a water content of 1 to 3%, a desert density of 2.0 g / cm 3 to 4.0 g / cm 3 and a pH of 7 to 11,
The Gelling catalyst may be selected from the group consisting of DBTL (Dibutyltin dilaurate), stannous octoate, TEDA (triethylene diamine), DMEA (dimethyl ethanolamine), TMBDA (tetramethyl butanediamine), DMCHA TEA (triethylamine), and the saturation catalyst (Blowing catalyst) is a tertiary amine,
The binder may be replaced by a polyurethane binder prepared by mixing a polyol resin and an isocyanate resin in a volume ratio of 1: 0.7 to 1.5,
Wherein at least one of toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), polymeric MDI, toluidine diisocyanate (TODI) and p-phenylene isocyanate is selected and mixed as the isocyanate resin, Based resin is selected from the group consisting of polyoxypropylene glycol, polyoxypropylene polyoxyethylene glycol, polyoxybutylene glycol, polyoxytetramethylene glycol, polyoxypropylene triol, and polyoxypropylene polyoxyethylene triol, Wherein the pavement pavement construction method uses eco-friendly water permeable aggregate.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020170072478A KR101863629B1 (en) | 2017-06-09 | 2017-06-09 | Method of construction of sidewalk pavement using environmentally friendly permeable aggregate |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020170072478A KR101863629B1 (en) | 2017-06-09 | 2017-06-09 | Method of construction of sidewalk pavement using environmentally friendly permeable aggregate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101944925B1 (en) * | 2018-06-18 | 2019-02-07 | 신문기 | Asphalt paving method of pavement having drainage |
| CN112523029A (en) * | 2020-12-10 | 2021-03-19 | 四川公路桥梁建设集团有限公司 | Drainage asphalt pavement structure and construction method thereof |
| CN114232406A (en) * | 2021-10-29 | 2022-03-25 | 中国建筑设计研究院有限公司 | Ecological pedestrian mud road and construction method thereof |
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