JPH02481B2 - - Google Patents
Info
- Publication number
- JPH02481B2 JPH02481B2 JP59010936A JP1093684A JPH02481B2 JP H02481 B2 JPH02481 B2 JP H02481B2 JP 59010936 A JP59010936 A JP 59010936A JP 1093684 A JP1093684 A JP 1093684A JP H02481 B2 JPH02481 B2 JP H02481B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- cement
- cement composition
- surface layer
- permeable concrete
- 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.)
- Expired - Lifetime
Links
- 239000004568 cement Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000002344 surface layer Substances 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 11
- 239000012615 aggregate Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000109 continuous material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Description
【発明の詳細な説明】
(a) 発明の技術分野
本発明は、雨水の流出抑制（都市化により、降
雨時における河川への流出総量増大の抑制）及び
街路、公園等の自然保護（雨水浸透による地下水
を確保し、緑化促進等の自然保護）の対策の一つ
として道路や広場等に敷設される透水性コンクリ
ートブロツクに関する。[Detailed Description of the Invention] (a) Technical Field of the Invention The present invention relates to the control of rainwater runoff (controlling the increase in the total amount of runoff into rivers during rainfall due to urbanization) and the protection of nature such as streets and parks (rainwater infiltration). This paper relates to water-permeable concrete blocks that are installed on roads and plazas as a measure to secure underground water supply and protect nature by promoting greening.
(b) 従来技術と問題点
上記の雨水流出抑制及び街路、公園等の自然保
護などの対策に使用される透水性舗装はまだ施工
例が少ないが、例えば特公昭57−34238号公報に
記載の透水性コンクリートブロツクがみられる。(b) Prior art and problems The permeable pavement used for the above-mentioned measures to control rainwater runoff and protect the nature of streets, parks, etc. has not yet been constructed, but for example, Water-permeable concrete blocks can be seen.
この透水性コンクリートブロツクは、表層とな
るセメント組成物の骨材として、天然砕石（1.2
〜５mm）或いは人造砕石（1.2〜５mm）を用いて
いるものであるが、その各砕石の均等係数につい
ては何んら考慮されていない（なお、均等係数は
水道用濾過砂等に使用される砂粒の揃い具合を表
わすもので、数値が大きくなる程粒径の不揃いが
大きい）。 This water-permeable concrete block uses natural crushed stone (1.2
~5mm) or artificial crushed stone (1.2~5mm), but no consideration is given to the uniformity coefficient of each crushed stone (note that the uniformity coefficient is used for water filter sand, etc.) This indicates the degree of uniformity of the sand grains; the larger the number, the greater the irregularity in grain size.)
したがつて、透水性コンクリートブロツクとし
ての表層に透水性能の優れた連続的空隙が得難
く、また美観的にも劣るため敷設場所が制約され
る等の欠点がみられるものであつた。 Therefore, it is difficult to obtain continuous voids with excellent water permeability in the surface layer of a water permeable concrete block, and it also has disadvantages such as poor aesthetics, which limits the installation location.
(c) 発明の目的
本発明は、特に表層となるセメント組成物にお
ける細骨材の粒径を略均等にすることにより、極
めて透水性能の優れた連続的空隙を形成せしめて
透水性コンクリートブロツクとしての透水性と美
観の両者を向上させ、汎用性の拡大を図ることに
ある。(c) Purpose of the Invention The present invention provides a concrete block that can be used as a water-permeable concrete block by making the grain size of fine aggregate substantially uniform, especially in the cement composition that forms the surface layer, thereby forming continuous voids with extremely excellent water permeability. The objective is to improve both the water permeability and aesthetics of the material, and expand its versatility.
(d) 発明の構成
基層と表層の二層を一体的に成型して成る透水
性コンクリートブロツクにして、基層は粗骨材と
セメント及び水を混合したセメント組成物、表層
は均等係数が1.0〜1.5の範囲内の細骨材とセメン
ト及び水を混合したセメント組成物であることを
特徴とする。(d) Structure of the invention A water-permeable concrete block is formed by integrally molding two layers: a base layer and a surface layer, the base layer is made of a cement composition made by mixing coarse aggregate, cement, and water, and the surface layer has a uniformity coefficient of 1.0 to 1.0. It is characterized by being a cement composition in which fine aggregate within the range of 1.5, cement, and water are mixed.
(e) 発明の効果
(1) 表層のセメント組成物における細骨材を、均
等係数が1.0〜1.5の範囲内のものを使用してい
るので、粒径が揃い極めて透水性能の優れた連
続的空隙が形成されるとともに、大小不揃いの
粒径が混在しているものに比し美観的にも向上
する。(e) Effects of the invention (1) Since the fine aggregate in the cement composition of the surface layer has a uniformity coefficient within the range of 1.0 to 1.5, the grain size is uniform and it is a continuous material with extremely excellent water permeability. Not only are voids formed, but the aesthetics are also improved compared to those with a mixture of grain sizes of varying sizes.
(2) 表層のセメント組成物に着色剤を混入すると
きは、さらに美観を高めることができる。(2) When a coloring agent is mixed into the surface cement composition, the aesthetic appearance can be further enhanced.
(3) 表層がフイルターの役目をなし、粒径の大き
な骨材とセメント及び水を混合して成る一層構
造の透水性コンクリートブロツクに比し、目づ
まり解除の掃除が簡単である（一層構造の目づ
まりはブロツクの深層部にまで及ぶ）。(3) The surface layer acts as a filter, and it is easier to clean to remove clogging compared to single-layered water-permeable concrete blocks made of a mixture of large-grained aggregate, cement, and water. The clogging extends to the deep part of the block).
(f) 発明の実施例
図面は本発明の一実施例を示し、第１図は側面
図、第２図は平面図である。(f) Embodiment of the invention The drawings show an embodiment of the invention, with FIG. 1 being a side view and FIG. 2 being a plan view.
図において、１は基層のセメント組成物２と、
表層のセメント組成物３とを一体成型した透水性
コンクリートブロツクであり、各層の配合は次の
通りである。 In the figure, 1 indicates a base layer cement composition 2;
This is a water-permeable concrete block integrally molded with a surface layer of cement composition 3, and the composition of each layer is as follows.
基 層 粗骨材 1970Kg／m3
単位セメント量 400Kg／m3
水セメント比 Ｗ／Ｃ＝25％
表 層 細骨材 1808Kg／m3
（均等係数1.2、粒径２〜2.5mm）
単位セメント量 500Kg／m3
水セメント比 Ｗ／Ｃ＝25％
而して、振動加圧成型機型枠内に、上記基層の
セメント組成物を型枠全容積の約80％装入して振
動加圧成型し、次いで基層上に上記表層のセメン
ト組成物を型枠の全容まで装入して振動加圧成型
し、即時脱型して２層一体成型の透水性コンクリ
ートブロツク製品を得る。Base layer coarse aggregate 1970Kg/m 3 unit cement amount 400Kg/m 3 water cement ratio W/C = 25% Surface layer fine aggregate 1808Kg/m 3 (uniformity factor 1.2, particle size 2-2.5mm) unit cement amount 500Kg /m 3Water -cement ratio W/C=25% Then, about 80% of the base layer cement composition was charged into the formwork of the vibration pressure molding machine, and vibration pressure molding was carried out. Next, the above cement composition for the surface layer is charged onto the base layer to the full extent of the formwork, subjected to vibration pressure molding, and immediately removed from the mold to obtain a two-layer integrally molded water permeable concrete block product.
そして、上記実施例の透水係数は次の通りであ
る。 The hydraulic permeability coefficients of the above examples are as follows.
粒径（mm） 2.5 ２
均等係数 1.2 1.2
透水係数（cm／sec） 2.31×10-1 3.2×10-2
なお、図面には細長の直方体のブロツクを示し
たが、型枠により例えば平面六角形等の種々のデ
ザインのブロツクが得られ、また表層に着色剤を
混入して美観の優れたものを得ることができる。Grain size (mm) 2.5 2 Uniformity coefficient 1.2 1.2 Permeability coefficient (cm/sec) 2.31×10 -1 3.2×10 -2 Although the drawing shows an elongated rectangular parallelepiped block, depending on the formwork, for example, a planar hexagonal block is shown. Blocks with various designs such as these can be obtained, and by mixing coloring agents into the surface layer, it is possible to obtain blocks with excellent aesthetic appearance.
図面は本発明の一実施例を示し、第１図は側面
図、第２図は平面図である。
１……透水性コンクリートブロツク、２……基
層のセメント組成物、３……表層のセメント組成
物。
The drawings show one embodiment of the present invention, with FIG. 1 being a side view and FIG. 2 being a plan view. 1... Water-permeable concrete block, 2... Base layer cement composition, 3... Surface layer cement composition.
Claims (1)
ント組成物の基層と、均等係数が1.0〜1.5の範囲
内の細骨材とセメント及び水を混合してなるセメ
ント組成物の表層とを一体的に成型したことを特
徴とする透水性コンクリートブロツク。1. A base layer of a cement composition made by mixing coarse aggregate, cement, and water and a surface layer of a cement composition made by mixing fine aggregate, cement, and water with a uniformity coefficient within the range of 1.0 to 1.5 are integrated. A water-permeable concrete block characterized by being molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1093684A JPS60156804A (en) | 1984-01-26 | 1984-01-26 | Water permeable concrete block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1093684A JPS60156804A (en) | 1984-01-26 | 1984-01-26 | Water permeable concrete block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60156804A JPS60156804A (en) | 1985-08-17 |
| JPH02481B2 true JPH02481B2 (en) | 1990-01-08 |
Family
ID=11764106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1093684A Granted JPS60156804A (en) | 1984-01-26 | 1984-01-26 | Water permeable concrete block |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60156804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0466479U (en) * | 1990-10-23 | 1992-06-11 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63194005A (en) * | 1987-02-07 | 1988-08-11 | 三石耐火煉瓦株式会社 | Water permeable block |
| JPS63291881A (en) * | 1987-05-22 | 1988-11-29 | Inax Corp | Porous ceramic material and production thereof |
| JPS6424079A (en) * | 1987-07-17 | 1989-01-26 | Inax Corp | Porous ceramic material |
| JPH0725600B2 (en) * | 1989-04-20 | 1995-03-22 | 明知碍子株式会社 | Pavement block |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5734238A (en) * | 1980-08-06 | 1982-02-24 | Sony Corp | Write address designation circuit for character generating memory device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5459727U (en) * | 1977-10-05 | 1979-04-25 |
-
1984
- 1984-01-26 JP JP1093684A patent/JPS60156804A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5734238A (en) * | 1980-08-06 | 1982-02-24 | Sony Corp | Write address designation circuit for character generating memory device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0466479U (en) * | 1990-10-23 | 1992-06-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60156804A (en) | 1985-08-17 |
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