JPH111360A - Water-permeable concrete and its paving - Google Patents
Water-permeable concrete and its pavingInfo
- Publication number
- JPH111360A JPH111360A JP16794397A JP16794397A JPH111360A JP H111360 A JPH111360 A JP H111360A JP 16794397 A JP16794397 A JP 16794397A JP 16794397 A JP16794397 A JP 16794397A JP H111360 A JPH111360 A JP H111360A
- Authority
- JP
- Japan
- Prior art keywords
- water
- permeable concrete
- permeable
- concrete
- kneading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は，骨材とセメント
とを主成分とする透水性コンクリ−ト及びその舗装方法
に関するものである。施工場所としては、電力会社の送
電線鉄塔敷地内、歩道、駐車場、運動場、或は交通車道
等に適用できる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a permeable concrete mainly composed of aggregate and cement and a method of paving the same. The construction site can be applied to the site of a transmission line tower of a power company, a sidewalk, a parking lot, a playground, a traffic road, or the like.
【０００２】[0002]
【従来の技術】従来より、透水性コンクリ−トは舗装材
として用いると、水溜まりができ難いなどの利点を有す
るので、歩道舗装等に使用されている。これまで、透水
性の舗装材としてはセメント系、アスファルト系など種
々のものが存在する。しかし、透水性アスファルトは、
透水性及び含水性が劣り、日照りによってアスファルト
が流動化して空間率が減少して目詰まりし、透水性及び
強度が低下する等の問題があり満足できるものではなか
った。一方、透水性コンクリ−トにおいては、十分な透
水性と強度とを兼ね備えたものは実用化が難しいとされ
ていた。2. Description of the Related Art Conventionally, when a permeable concrete is used as a pavement material, it has an advantage that water pools are hardly formed, and is used for pavement pavement and the like. Heretofore, there are various types of water-permeable pavement materials such as cement-based and asphalt-based materials. However, permeable asphalt
The water permeability and the water content were inferior, and the asphalt was fluidized by sunshine, the space ratio was reduced and clogged, and there were problems such as a decrease in water permeability and strength. On the other hand, it has been considered that practical use of a water-permeable concrete having sufficient water permeability and strength is difficult.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の透水性コン
クリ−トでは、強度が十分ではなく、特に地盤が軟弱な
場合や、負荷がかかる部分での使用には耐久性が良くな
いという問題があった。そこで、より強度の優れた透水
性コンクリ−トの開発が行われており、例えば、特公平
７−９９００２の透水性セメントコンクリ−ト構築物の
製造法、特開平５−１７１８０４の透水性コンクリ−
ト、及び特開平６−１８０００２の透水性舗装用組成物
及び透水性舗装方法等が開示されている。一方、本発明
者においても特開平４−２１５４９に開示した透水性コ
ンクリ−トを開発後、更に配合原料、配合量などについ
て種々のテストを行なって、透水性コンクリ−トの改良
に努めた結果、前記従来発明の透水係数、圧縮強度及び
曲げ強度を維持しながら、舗装表面の亀裂・破損防止に
著しい効果を有すると共に、酸性雨を中和する作用をも
つ透水性コンクリ−トの開発をして、その目的を達成す
ることができた。The conventional water-permeable concrete described above has a problem that the strength is not sufficient, and the durability is not good especially when the ground is soft or used in a portion where a load is applied. there were. Therefore, a water-permeable concrete having higher strength has been developed. For example, a method of manufacturing a water-permeable cement concrete construction disclosed in Japanese Patent Publication No. Hei 7-99002, and a water-permeable concrete disclosed in JP-A-5-171804 are disclosed.
And a water-permeable pavement composition and a water-permeable pavement method disclosed in JP-A-6-180002. On the other hand, the present inventor also developed the water-permeable concrete disclosed in Japanese Patent Application Laid-Open No. Hei 4-21549, and further conducted various tests on the compounding raw materials and the compounding amounts to improve the water-permeable concrete. The present invention has been developed to develop a water-permeable concrete which has a remarkable effect for preventing cracking and breakage of the pavement surface while maintaining the water permeability, compressive strength and bending strength of the conventional invention, and also has an action of neutralizing acid rain. I was able to achieve that purpose.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するた
め、本発明の透水性コンクリ−トは、骨材として用いる
砕石の粒径別配合比率を最も適切なものとすると共に、
消石灰を混練することにより、酸性雨を中和させて地中
に透過させている。また、透水性コンクリ−トの破損防
止を図るために、透水性コンクリ−トの中層部に金網を
敷設している。さらに、透水性コンクリ−トの表面に、
天然砕石と透水性樹脂を混練して得られた混合物を表装
することにより、表面の亀裂・破損防止を図っている。Means for Solving the Problems To achieve the above object, the water-permeable concrete of the present invention makes it possible to optimize the mixing ratio of the crushed stone used as aggregate by particle size,
By mixing slaked lime, acid rain is neutralized and permeated into the ground. Further, in order to prevent breakage of the permeable concrete, a wire mesh is laid in the middle part of the permeable concrete. Furthermore, on the surface of the permeable concrete,
The surface obtained by kneading the natural crushed stone and the water-permeable resin is prevented from cracking and breaking.
【０００５】[0005]
【発明の実施の形態】セメントは、ポルトランドセメン
トとし、１ｍ3 の透水性コンクリ−トを形成するために
３００ｋｇを用い、これに水９０ｋｇと減水剤３ｋｇ，
消石灰１５ｋｇを加える。BEST MODE FOR CARRYING OUT THE INVENTION Portland cement is made of Portland cement, and 300 kg is used to form 1 m 3 of water-permeable concrete. 90 kg of water, 3 kg of water reducing agent,
Add 15 kg of slaked lime.
【０００６】本発明の透水性コンクリ−トに用いる骨材
には砕石を用い、１ｍ3 の透水性コンクリ−トを形成す
るために１５００ｋｇ使用する。砕石は粒径２ｍｍ以上
から３ｍｍ未満，３ｍｍ以上から７ｍｍ未満、及び７ｍ
ｍ以上から８ｍｍ未満の３種類に分別し、２ｍｍ以上か
ら３ｍｍ未満の砕石を２０％以上、より好ましくは２５
％〜３５％含み、７ｍｍ以上から８ｍｍ未満の砕石を２
０％以上、より好ましくは２５％〜３５％含み、３ｍｍ
以上から７ｍｍ未満の砕石を残量として含むものとして
いる。[0006] Permeability concrete of the present invention - using the crushed stone for aggregate used for preparative, permeability concrete of 1 m 3 - to 1500kg used to form the door. Crushed stone has a particle size of 2 mm or more to less than 3 mm, 3 mm or more to less than 7 mm, and 7 m
m to less than 8 mm, and 20% or more, more preferably 25% or more
% To 35%, and more than 7 mm to less than 8 mm
0% or more, more preferably 25% to 35%, 3 mm
From the above, it is assumed that crushed stone less than 7 mm is included as the remaining amount.
【０００７】セメント、骨材、水、減水剤及び消石灰を
施工場所においてミキサ−等で混練し、得られた透水性
コンクリ−トを、基礎砕石（粒径７ｍｍ〜１３ｍｍ）で
形成した路盤又は路床上に、所望厚さ（通常は１００ｍ
ｍ程度）より更に２０％余分に盛る。該透水性コンクリ
−トの表面にコンパネを置き、平面ランマ−で締め固め
て木ゴテでたたき仕上げする。[0007] Cement, aggregate, water, water reducing agent and slaked lime are kneaded by a mixer or the like at a construction site, and the resulting water-permeable concrete is made of a base crushed stone (particle diameter 7 mm to 13 mm). On the floor, the desired thickness (typically 100 m
m) about 20% extra. A panel is placed on the surface of the permeable concrete, compacted with a flat rammer, and beaten with a wooden iron.
【０００８】前記透水性コンクリ−トの表面に、天然砕
石（粒径３ｍｍ〜４ｍｍ）と透水性エポキシ樹脂を混練
し、得られた混合物を約１０ｍｍ表装する。透水性コン
クリ−トの硬化には約７２時間必要であり、水分保護の
ためシ−ト養生を行う。[0008] A natural crushed stone (particle size: 3 mm to 4 mm) and a water permeable epoxy resin are kneaded on the surface of the water permeable concrete, and the resulting mixture is covered with about 10 mm. It takes about 72 hours to cure the permeable concrete, and sheet curing is performed to protect moisture.
【０００９】透水性コンクリ−トの亀裂を防止するため
には金網を用いる。まず、セメント、骨材、水、減水剤
及び消石灰を施工場所においてミキサ−等で混練し、得
られた透水性コンクリ−トを、基礎砕石（粒径７ｍｍ〜
１３ｍｍ）で形成した路盤又は路床上に、所望厚さ（通
常は１００ｍｍ程度）の６０％程度の厚さに盛り、表面
をほぼ平面に均した後、線径４．５ｍｍで網目１００ｍ
ｍ×１００ｍｍの金網を敷設し、更にその上部に透水性
コンクリ−トを所望厚さ（通常は１００ｍｍ程度）の６
０％程度の厚さに盛り、該透水性コンクリ−トの表面に
コンパネを置き、平面ランマ−で締め固めて木ゴテでた
たき仕上げする。したがって、金網は、透水性コンクリ
−ト層のほぼ中央部に位置することになる。A wire mesh is used to prevent cracks in the permeable concrete. First, cement, aggregate, water, water reducing agent and slaked lime are kneaded at a construction site with a mixer or the like, and the resulting permeable concrete is crushed into a basic crushed stone (particle size 7 mm to
13 mm) on a roadbed or subgrade formed to a thickness of about 60% of a desired thickness (usually about 100 mm), and after flattening the surface to a substantially flat surface, a wire diameter of 4.5 mm and a mesh of 100 m
A wire net of mx 100 mm is laid, and a permeable concrete is placed on top of the wire mesh with a desired thickness (usually about 100 mm).
It is filled to a thickness of about 0%, a control panel is placed on the surface of the permeable concrete, compacted with a flat rammer, and beaten with a wooden iron. Therefore, the wire mesh is located substantially at the center of the permeable concrete layer.
【００１０】[0010]
【実施例】以下の組成に調合した透水性コンクリ−トを
製造し、従来組成の透水性コンクリ−トと比較した。第
１実施例では、骨材としては砕石を用い、粒径別配合比
率は、２ｍｍ以上３ｍｍ未満を３０％、３ｍｍ以上７ｍ
ｍ未満を４０％、７ｍｍ以上８ｍｍ未満を３０％とし
た。そして全体の構成比率は、透水性コンクリ−ト１ｍ
3 当り、骨材１５００ｋｇ、セメント３００ｋｇ、水９
０ｋｇ、減水剤３ｋｇ及び消石灰５ｋｇである。本透水
性コンクリ−トの上層部には、天然砕石（粒径３ｍｍ〜
４ｍｍ）と透水性エポキシ樹脂とを混練して得られた混
合物を１０ｍｍ程度の厚さ表装した。第２実施例では、
骨材としては砕石を用い、粒径別配合比率は、２ｍｍ以
上３ｍｍ未満を３０％、３ｍｍ以上７ｍｍ未満を４０
％、７ｍｍ以上８ｍｍ未満を３０％とした。そして全体
の構成比率は、透水性コンクリ−ト１ｍ3 当り、骨材１
５００ｋｇ、セメント３００ｋｇ、水９０ｋｇ、減水剤
３ｋｇ及び消石灰５ｋｇである。本透水性コンクリ−ト
の中層部に金網を敷設すると共に、本透水性コンクリ−
トの上層部には天然砕石（粒径３ｍｍ〜４ｍｍ）と透水
性エポキシ樹脂とを混練して得られた混合物を１０ｍｍ
程度の厚さ表装した。次に比較従来製品としては、平均
粒径５ｍｍ〜７ｍｍの骨材（砕石）１５００ｋｇ、セメ
ント３００ｋｇ、水９０ｋｇ、減水剤３ｋｇを混練した
透水性コンクリ−トとした。EXAMPLE A permeable concrete prepared according to the following composition was produced and compared with a permeable concrete of the conventional composition. In the first embodiment, crushed stone is used as the aggregate, and the mixing ratio by particle size is 30% from 3 mm to less than 3 mm, and from 3 mm to 7 m
m was 40%, and 7 mm or more and less than 8 mm was 30%. The total composition ratio is 1 m of water-permeable concrete.
Per 3, aggregate 1500kg, cement 300kg, water 9
0 kg, water reducing agent 3 kg and slaked lime 5 kg. Natural crushed stone (particle size 3mm ~)
4 mm) and a water-permeable epoxy resin were kneaded, and the resulting mixture was covered with a thickness of about 10 mm. In the second embodiment,
Crushed stone is used as the aggregate, and the mixing ratio by particle size is 30% for 2 mm or more and less than 3 mm, and 40% for 3 mm or more and less than 7 mm.
%, And 7% or more and less than 8 mm was 30%. And the total composition ratio is 1 aggregate of water per 1 m 3 of permeable concrete.
500 kg, cement 300 kg, water 90 kg, water reducing agent 3 kg and slaked lime 5 kg. A wire mesh is laid in the middle layer of the permeable concrete, and the permeable concrete is
A mixture obtained by kneading natural crushed stone (particle size: 3 mm to 4 mm) and a water-permeable epoxy resin is 10 mm in the upper layer
About the thickness of the table. Next, as a comparative conventional product, a water-permeable concrete was prepared by kneading 1500 kg of aggregate (crushed stone) having an average particle size of 5 mm to 7 mm, 300 kg of cement, 90 kg of water, and 3 kg of a water reducing agent.
【００１１】前記配合のものにつき、以下述べる試験を
実施するためのテストピ−スを、通常のコンクリ−ト成
型法によって作成した。試験は、いずれも３０日程度の
養生期間を経てから行った。前記の透水性コンクリ−ト
について、曲げ試験、圧縮試験、透水性試験を実施し
た。曲げ試験はＪＩＳ Ａ １１０６−１９７６「コン
クリ−トの曲げ試験方法」により行い、圧縮試験はＪＩ
Ｓ Ａ １１０８「コンクリ−トの圧縮試験方法」によ
り、また透水性試験については、ＪＩＳ Ａ １２１８
「土の透水試験方法」により、いずれも３〜５件のサン
プルについて行った。Test pieces for carrying out the tests described below were prepared by the usual concrete molding method. Each test was performed after a curing period of about 30 days. A bending test, a compression test, and a water permeability test were performed on the water-permeable concrete. The bending test is performed according to JIS A 1106-1976 "Concrete bending test method".
SA 1108 "Concrete compression test method" and water permeability test according to JIS A 1218
In each case, the test was performed on 3 to 5 samples according to the “test method for soil permeability”.
【００１２】上記試験結果によれば、本発明製品は、曲
げ強度２７〜３２ｋｇｆ／ｃｍ2 ，圧縮強度１９７〜２
３４ｋｇｆ／ｃｍ2 ，透水係数３．８×１０-2ｃｍ／秒
であり、従来製品に比べ遜色のないものである。また、
本発明製品は消石灰を添加しているので、酸性雨を透過
させた場合に、セメントのみからなる試験片を透過した
場合よりもｐｈの向上が認められ、ｐｈ８．８〜９．０
が得られた。更に、表面に天然砕石と透水性樹脂を混練
して得られた混合物を表装しているので、表面の亀裂・
破損は全く生じなかった。According to the above test results, the product of the present invention has a flexural strength of 27 to 32 kgf / cm 2 and a compressive strength of 197 to 2 kgf.
It is 34 kgf / cm 2 and the water permeability is 3.8 × 10 -2 cm / sec, which is comparable to conventional products. Also,
Since the product of the present invention contains slaked lime, when acid rain is permeated, an increase in ph is observed as compared with the case where a test piece consisting of only cement is permeated, and ph 8.8 to 9.0.
was gotten. Furthermore, because the surface obtained by kneading the natural crushed stone and the water-permeable resin on the surface is covered, cracks on the surface
No breakage occurred.
【００１３】本発明の透水性コンクリ−トには、以上の
組成の他、適宜増粘剤などの添加物を適当量添加して用
いてよい。前記より明らかなように、本発明にかかる透
水性コンクリ−トは、舗装材としてだけでなく、水を貯
留することが不都合となる施設の構造や壁などに、ま
た、雨水を地下水として還元することが好ましい施設、
装置などにも適用できるものである。In the water-permeable concrete of the present invention, in addition to the above composition, an appropriate amount of an additive such as a thickener may be appropriately added and used. As is clear from the above description, the permeable concrete according to the present invention is used not only as a pavement material, but also as a structure or a wall of a facility where it is inconvenient to store water, and as rainwater as groundwater. Facilities that are preferred,
It is also applicable to devices and the like.
【００１４】[0014]
【発明の効果】本発明による透水性コンクリ−トを用い
れば、十分な透水性と強度を備え、かつ表面の亀裂・破
損防止ができる、実用に適した舗装が可能となる。By using the water-permeable concrete according to the present invention, it becomes possible to provide a pavement having sufficient water permeability and strength, and capable of preventing surface cracking and breakage, and suitable for practical use.
【００１４】本透水性コンクリ−トには消石灰を混練し
ているので、従来品に比べ、施工上造形し易くて表面の
仕上がりも平滑性に優れたものとなった。そして、酸性
雨を透過させた場合に、セメントのみからなる試験片を
透過した場合よりもｐｈの向上が認められ、地球環境の
保全に貢献することができる。Since the hydrated concrete is kneaded with slaked lime, it can be easily formed in construction and has excellent surface finish compared to conventional products. Then, when acid rain is permeated, an increase in ph is observed as compared with the case where a test piece made of only cement is permeated, thereby contributing to conservation of the global environment.
【図１】本発明の第１実施例を示す断面図である。FIG. 1 is a sectional view showing a first embodiment of the present invention.
【図２】本発明の第２実施例を示す断面図である。FIG. 2 is a sectional view showing a second embodiment of the present invention.
１ 透水性コンクリ−ト ２ 天然砕石と透水エポキシ樹脂の混合物 ３ 金網 ４ 基礎砕石 1 Permeable concrete 2 Mixture of natural crushed stone and permeable epoxy resin 3 Wire mesh 4 Basic crushed stone
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ０４Ｂ 28:12） (Ｃ０４Ｂ 26/16 111:40 14:02） 103:30 111:20 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI C04B 28:12) (C04B 26/16 111: 40 14:02) 103: 30 111: 20
Claims (4)
混練し、得られた混合物を路盤又は路床に打設した後、
該打設面の表面に、天然砕石と透水性樹脂を混練して得
られた混合物を表装したことを特徴とする透水性コンク
リ−ト。(1) After kneading cement, aggregate, water, a water reducing agent and slaked lime, and casting the obtained mixture on a roadbed or a roadbed,
A water-permeable concrete comprising a mixture obtained by kneading natural crushed stone and a water-permeable resin on the surface of the casting surface.
混練し、得られた混合物を路盤又は路床に打設し、その
上面に金網を敷設し、更にその上から前記混合物を打設
した後、該打設面の表面に、天然砕石と透水性樹脂を混
練して得られた混合物を表装したことを特徴とする透水
性コンクリ−ト。2. Kneading cement, aggregate, water, water reducing agent and slaked lime, casting the resulting mixture on a roadbed or a subgrade, laying a wire mesh on the upper surface thereof, and further driving the mixture from above. A water-permeable concrete, characterized in that a mixture obtained by kneading natural crushed stone and a water-permeable resin is mounted on the surface of the casting surface after setting.
混練し、得られた混合物を路盤又は路床に打設した後、
該打設面の表面に、天然砕石と透水性樹脂を混練し、得
られた混合物を表装することを特徴とする透水性コンク
リ−トの舗装方法。3. After kneading cement, aggregate, water, water reducing agent and slaked lime, and pouring the resulting mixture into a roadbed or subgrade,
A method for paving a water-permeable concrete, comprising kneading natural crushed stone and a water-permeable resin on the surface of the casting surface, and covering the resulting mixture.
混練し、得られた混合物を路盤又は路床に打設し、その
上面に金網を敷設し、更にその上から前記混合物を打設
した後、該打設面の表面に、天然砕石と透水性樹脂を混
練して得られた混合物を表装することを特徴とする透水
性コンクリ−トの舗装方法。4. A cement, an aggregate, water, a water reducing agent and slaked lime are kneaded, the resulting mixture is cast on a roadbed or a subgrade, a wire mesh is laid on the upper surface thereof, and the mixture is further struck thereon. A method for paving a water-permeable concrete, comprising, after setting, a mixture obtained by kneading natural crushed stone and a water-permeable resin on the surface of the casting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16794397A JPH111360A (en) | 1997-06-09 | 1997-06-09 | Water-permeable concrete and its paving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16794397A JPH111360A (en) | 1997-06-09 | 1997-06-09 | Water-permeable concrete and its paving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH111360A true JPH111360A (en) | 1999-01-06 |
Family
ID=15858934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16794397A Pending JPH111360A (en) | 1997-06-09 | 1997-06-09 | Water-permeable concrete and its paving |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH111360A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759172A (en) * | 2017-11-09 | 2018-03-06 | 安徽工业大学 | A kind of aqueous epoxy resins are modified pervious concrete material |
-
1997
- 1997-06-09 JP JP16794397A patent/JPH111360A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759172A (en) * | 2017-11-09 | 2018-03-06 | 安徽工业大学 | A kind of aqueous epoxy resins are modified pervious concrete material |
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