JPS63171903A - Production of paving material - Google Patents
Production of paving materialInfo
- Publication number
- JPS63171903A JPS63171903A JP50087A JP50087A JPS63171903A JP S63171903 A JPS63171903 A JP S63171903A JP 50087 A JP50087 A JP 50087A JP 50087 A JP50087 A JP 50087A JP S63171903 A JPS63171903 A JP S63171903A
- Authority
- JP
- Japan
- Prior art keywords
- asphalt
- paving material
- aggregate
- paving
- mixing
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000010426 asphalt Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 10
- 239000011707 mineral Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は常温混合施工タイプの舗装材の製造法に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for producing a cold-mix construction type paving material.
［従来の技術］
従来、アスファルト舗装層の修繕を行なうには、一般に
スラリーシール工法によって行なわれる。[Prior Art] Conventionally, repair of an asphalt pavement layer is generally carried out by a slurry seal method.
即ち、舗装用スラリー混合物等の舗装材を、傷んだアス
ファルト舗装のクラックに浸透充填させてアスファルト
舗装の表面処理を行なう。That is, the surface of the asphalt pavement is treated by infiltrating and filling cracks in the damaged asphalt pavement with a paving material such as a slurry mixture for paving.
アスファルト舗装の表面処理を行なう前記スラリー混合
物等の舗装材としては、一般に砂等の細骨材と、石粉等
のフィラーと、アスファルト乳剤（アスファルトベース
に乳化剤と水が添加されている）とを所望の割合で混合
して得られる流動性の混合物となっている。As a paving material such as the slurry mixture for surface treatment of asphalt pavement, it is generally desirable to use fine aggregate such as sand, filler such as stone powder, and asphalt emulsion (an asphalt base with an emulsifier and water added). It is a fluid mixture obtained by mixing at a ratio of .
［発明が解決しようとする問題点］
前記した如〈従来のスラリー混合物等の舗装材は、細骨
材とフィラーとアスファルト乳剤とを所定の割合で攪拌
混合することで得られるようになるが、次のような問題
点が発生する。[Problems to be Solved by the Invention] As mentioned above, conventional paving materials such as slurry mixtures are obtained by stirring and mixing fine aggregate, filler, and asphalt emulsion in a predetermined ratio. The following problems occur.
（１） アスファルトベースに添加される乳化剤は、
アスファルト母体物質、粒子を分散させ、乳液状にして
おくための添加剤で、分子は＋または−の電価をもった
基と、極性をもたない基から構成され、アスファルト粒
子を非極性基側からとりまき、全体としてアスファルト
粒子に電価を与え、互いに反発させる働きをする。(1) The emulsifier added to the asphalt base is
An additive for dispersing asphalt matrix particles and making them into an emulsion.The molecule is composed of a group with a positive or negative charge and a non-polar group. It surrounds the asphalt particles from the sides and acts as a whole to give an electric charge to the asphalt particles and make them repel each other.
＋の極性基を有するものをカチオン系といい、−の極性
基を有するものをアニオン系といい、混合性は電価状態
に大きく影響され易い。特に製造中に乳剤が分解して固
粒化すると電価状態が不安定となり、均一な混合が得ら
れにくくなり、混合性、接着性が低下する。Those having a + polar group are called cationic ones, and those having a - polar group are called anionic ones, and their miscibility is largely influenced by the state of charge. In particular, if the emulsion decomposes and solidifies during production, the electrical charge state becomes unstable, making it difficult to obtain uniform mixing, resulting in poor mixability and adhesion.
（２） 施工後、ヒータによる強制加熱を行なうとア
スファルトが変化するためヒータによる養生が行なえず
時間がかかる等作業能率の面で望ましくない。(2) If the asphalt is forcibly heated with a heater after construction, the asphalt will change, making curing with a heater impossible and taking time, which is not desirable in terms of work efficiency.
（３） アスファルト乳剤を用いるため−たん攪拌混
合された舗装材の保存・運搬ができにくい面があった。(3) Because asphalt emulsion is used, it is difficult to store and transport the paving material that has been stirred and mixed.
そこで、この発明は前記問題点を解消する舗装材の製造
法を提供することを目的としている。Therefore, an object of the present invention is to provide a method for manufacturing a paving material that solves the above-mentioned problems.
［問題点を解決するための手段］
前記目的を達成するためのこの発明にあっては、骨材と
、鉱物質微粉材と、流体とをそれぞれ所定の割合で混合
し、次いで、加熱されたアスファルト母体物質中に水を
分散させて前記アスファルト母体物質を膨脹させたフォ
ームドアスファルトを形成し、そのフォームドアスファ
ルトを前記骨材及び鉱物質微粉材及び流体の混合物と一
緒に攪拌混合して製造する。[Means for Solving the Problems] In this invention to achieve the above object, aggregate, fine mineral powder, and fluid are mixed in predetermined proportions, and then heated. Produced by dispersing water in an asphalt matrix material to expand the asphalt matrix material to form foamed asphalt, and stirring and mixing the foamed asphalt with the mixture of the aggregate, fine mineral powder material, and fluid. do.
［作用］
かかる製造法による舗装材にあっては、アスファルト母
体物質はそれぞれ分離、膨脹した状態で対象の骨材及び
鉱物質微粉材及び流体の混合物と攪拌混合されるため安
定した均一な混合性が得られる。また、含水率が高まる
ためドラム缶等に密封することで保存及び運搬が可能と
なる。[Function] In the paving material manufactured by such a manufacturing method, the asphalt base material is separated and expanded and stirred and mixed with the target aggregate, mineral fine powder material, and fluid mixture, so that stable and uniform mixing is achieved. is obtained. In addition, since the moisture content increases, it becomes possible to store and transport by sealing it in a drum or the like.
［実施例］
以下、第１図乃至第２図の図面を参照しながらこの発明
の一実施例を詳細に説明する。[Embodiment] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings of FIGS. 1 and 2.
図中１は舗装材（７オ一ムドアスフアルト混合物）を製
造するスラリーフィニッシャ−を示しており、スラリー
フィニッシャ−１の機体３には第１ホツパー５と第２ホ
ツパー７が設けられている。In the figure, reference numeral 1 indicates a slurry finisher for producing a paving material (7-odd asphalt mixture), and a body 3 of the slurry finisher 1 is provided with a first hopper 5 and a second hopper 7.
第１ホツパー５には砂・スクリーニングス等の骨材が各
別に貯留される部屋５ａ・５ｂの外に予備室５Ｃが設け
られている。第２ホツパー７には石粉・ダスト等の鉱物
微粉体が各別に貯留される部屋７ａ・７ｂの外に予備室
７Ｃが設けられ、第１・第２ホッパー５．７の投下口９
・１１は下位に設けられたバフィーダ１３によって投下
量が制御されるようになっている。バフィーダ１３の下
位には搬送終端側１９ａがミキサー１５の受入口１７の
上方に臨むコンベア等の搬送装置１９が設けられている
。The first hopper 5 is provided with a preliminary chamber 5C outside the chambers 5a and 5b in which aggregates such as sand and screenings are stored separately. The second hopper 7 is provided with an auxiliary chamber 7C outside the chambers 7a and 7b in which fine mineral powder such as stone powder and dust is stored separately, and the drop-in port 9 of the first and second hoppers 5.7.
- 11 is such that the amount of dropping is controlled by the buffeeder 13 provided below. A conveyance device 19 such as a conveyor is provided below the buffer feeder 13, and the conveyance end side 19a faces above the receiving port 17 of the mixer 15.
ミキサー１５は本体内に図外の駆動モータによって回転
するｆｌ！痒翼休２体が回転自在に装架されている。ミ
キサー１５の本体にはシャッター２３によって開閉自在
に制御されるホッパー２５が接続連通している。また、
ミキサー１５の本体内にはバーナ２７を備えたアスファ
ルト貯留タンク２９と接続する噴射ノズル３１と、貯留
水槽３３と３方弁３５を介して接続された散水ノズル３
７とが臨み前記３方弁３５から延長されたもう一方のパ
イプは噴射ノズル３１とアスファルト貯留タンク２９を
つなぐ接続バイブ３９と接続し、この接続部位はアスフ
ァルト母体物質内に水が分散されるチャンバー４１とな
っている。The mixer 15 is rotated by a drive motor (not shown) inside the main body. Two Itchiyoku Kyū bodies are mounted rotatably. A hopper 25, which is controlled to open and close by a shutter 23, is connected and communicated with the main body of the mixer 15. Also,
Inside the main body of the mixer 15 are an injection nozzle 31 connected to an asphalt storage tank 29 equipped with a burner 27, and a water spray nozzle 3 connected to a storage water tank 33 via a three-way valve 35.
7 and the other pipe extending from the three-way valve 35 is connected to a connecting vibrator 39 that connects the injection nozzle 31 and the asphalt storage tank 29, and this connection part is a chamber in which water is dispersed in the asphalt matrix material. It is 41.
アスファルト貯留タンク２９にはバーナ２７によって加
熱されるアスファルトベースが貯留されている。なお、
４３はホッパー２５の下位に設けられたスクリードを示
している。Asphalt base heated by burner 27 is stored in asphalt storage tank 29 . In addition,
43 indicates a screed provided below the hopper 25.
次に、舗装材の製造法について説明すると第１ホツパー
５内の骨材と、第２ホツパー７内の鉱物質微粉材とをパ
フィーダ−１３・１３によって所定量搬送袋［１９の上
に投下する。投下された骨材と鉱物質微粉体を搬送装置
１９によってミキサー１５内に送り込む。ミキサー１５
内において散水ノズル３７より散水される水と一緒に３
０秒〜２分程度攪拌混合する。次に、予備混合された前
記混合物に、７オームドアスフアルトを投下し、ミキサ
ー１５内において攪拌混合する。Next, to explain the method for manufacturing the paving material, aggregate in the first hopper 5 and fine mineral powder in the second hopper 7 are dropped in a predetermined amount onto a transport bag [19] by the puff feeder 13. . The aggregate and mineral fine powder that have been dropped are sent into the mixer 15 by a conveying device 19. mixer 15
3 along with the water sprayed from the water nozzle 37 inside.
Stir and mix for about 0 seconds to 2 minutes. Next, 7-ohm asphalt is added to the premixed mixture, and the mixture is stirred and mixed in the mixer 15.
フォームドアスファルトは、加熱されたアスファルト母
体物質中にチャンバー４１内において水が分散される時
に水と反応して大きく膨脹したソフトクリームの性状を
呈し、物質内にアスフフルト粒子が分離された状態にあ
る。この時のアスファルト粒子の周囲には水滴が付着し
た状態にあるため、骨材及び鉱物質微粉材の混合物と一
緒に攪拌混合される時に含水率が高い均一な混合状態の
舗装材が得られるようになる。したがって、前記舗装材
はドラムカン等の容器内に密封することで、保存が可能
になると共に現場への運搬が可能となる。このため、現
場において、再度攪拌混合することで舗装材としての再
使用が可能となる。また、実験の結果、ヒータによる養
生短縮が可能となり、作業能率の向上が図れるようにな
った。Foamed asphalt exhibits the properties of a soft cream that expands greatly by reacting with water when water is dispersed in the heated asphalt matrix material in the chamber 41, and asphalt particles are separated within the material. . At this time, water droplets are attached around the asphalt particles, so when the asphalt particles are stirred and mixed together with the mixture of aggregate and fine mineral powder, a uniformly mixed paving material with a high moisture content can be obtained. become. Therefore, by sealing the paving material in a container such as a drum can, it becomes possible to preserve it and to transport it to the site. Therefore, it is possible to reuse it as a paving material by stirring and mixing it again at the site. Additionally, as a result of experiments, it has become possible to shorten curing time using a heater, improving work efficiency.
次に、骨材と鉱物質微粉材と流体とフォームドアスファ
ルトの代表的な配合を表−１に示す。Next, Table 1 shows typical compositions of aggregate, fine mineral powder, fluid, and foamed asphalt.
この配合による実験結果よれば表−２に示す如〈従来の
舗装材と比べて約２０９０（Ｊ／１２の摩耗量の改善が
得られた。According to the experimental results using this formulation, as shown in Table 2, an improvement in wear amount of about 2090 (J/12) was obtained compared to conventional paving materials.
なお、表−３に示す如く７号砕石プレコートチップ１０
％を外削添加して同時混合することで摩耗量は約５７０
ｇ／ｍ２ となり、約１１０ｏ ／ｓ２の改善が得られ
るようになる。その実験結果を表−２に示す。In addition, as shown in Table 3, No. 7 crushed stone pre-coated chips 10
The wear amount is approximately 570% by adding % to the outside and mixing at the same time.
g/m2, and an improvement of about 110 o/s2 can be obtained. The experimental results are shown in Table-2.
前記衣−４において下側の５１０ｇ／ｌ１１２の値は敷
設した後にプレコートチップを圧入したプレコートチッ
プ圧入方式によって得られた数値を示している。In Cloth-4, the lower value of 510 g/l112 indicates the value obtained by the pre-coat chip press-in method in which pre-coat chips were press-fitted after laying.
また、表−５に示す如く径が３〜５ＩＩＩＩｍのゴムチ
ップあるいは縦３〜５ｎ＋ｍ、横１〜３ＩＩＩＩ１１の
ヒジキゴムを５％外割添加することで、表−６に示ずシ
ョア硬度が得られようになり、弾性感を付与できるよう
になる。In addition, as shown in Table 5, by adding 5% of rubber chips with a diameter of 3 to 5IIIm or Hijiki rubber with a length of 3 to 5n+m and a width of 1 to 3III11, Shore hardness not shown in Table 6 can be obtained. This makes it possible to impart a sense of elasticity.
なお、現場においてただちに使用する場合にはセメント
の外削添加が可能である。参考までに表−７に具体的な
配合割合を示した。この実験によって得られ摩耗量を表
に示す如＜６２０（＋／＋ｌ１２の値が得られた。In addition, if it is used immediately on site, it is possible to add cement to the outer surface. For reference, specific blending ratios are shown in Table 7. As shown in the table, the amount of wear obtained through this experiment was <620 (+/+l12).
以下余白
［発明の効果］
以上、説明したように、この発明によれば、均一に混合
され安定した混合性、接着性を有する舗装材が得られる
ようになる。また、舗装材の保存と運搬が可能になると
共にヒータによる加熱が可能のため養生時間の短縮が図
れる。Margins below [Effects of the Invention] As described above, according to the present invention, a paving material that is uniformly mixed and has stable mixability and adhesiveness can be obtained. In addition, it is possible to store and transport the paving material, and it is also possible to heat the paving material with a heater, thereby shortening the curing time.
第１図はこの発明の舗装材を製造するフィニッシャ−の
平面図、第２図は同上の側面図である。FIG. 1 is a plan view of a finisher for manufacturing the paving material of the present invention, and FIG. 2 is a side view of the same.
Claims (1)
で混合し、次いで、加熱されたアスファルト母体物質中
に水を分散させて前記アスファルト母体物質を膨脹させ
たフォームドアスファルトを形成し、そのフォームドア
スファルトを前記骨材及び鉱物質微粉材及び流体の混合
物と一緒に攪拌混合して製造する舗装材の製造法。Formed asphalt is formed by mixing aggregate, fine mineral powder, and fluid in predetermined proportions, and then dispersing water in a heated asphalt matrix material to expand the asphalt matrix material. , a method for producing a paving material by stirring and mixing the foamed asphalt with a mixture of the aggregate, fine mineral powder, and fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50087A JPS63171903A (en) | 1987-01-07 | 1987-01-07 | Production of paving material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50087A JPS63171903A (en) | 1987-01-07 | 1987-01-07 | Production of paving material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63171903A true JPS63171903A (en) | 1988-07-15 |
| JPH051841B2 JPH051841B2 (en) | 1993-01-11 |
Family
ID=11475477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50087A Granted JPS63171903A (en) | 1987-01-07 | 1987-01-07 | Production of paving material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63171903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6216905B1 (en) * | 2017-08-30 | 2017-10-18 | 世紀東急工業株式会社 | Regenerative heating asphalt mixture manufacturing apparatus and regenerative heating asphalt mixture manufacturing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1325916A (en) * | 1970-01-20 | 1973-08-08 | Mobil Oil Corp | Method and apparatus for producing foamed materials |
-
1987
- 1987-01-07 JP JP50087A patent/JPS63171903A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1325916A (en) * | 1970-01-20 | 1973-08-08 | Mobil Oil Corp | Method and apparatus for producing foamed materials |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6216905B1 (en) * | 2017-08-30 | 2017-10-18 | 世紀東急工業株式会社 | Regenerative heating asphalt mixture manufacturing apparatus and regenerative heating asphalt mixture manufacturing method |
| JP2019044367A (en) * | 2017-08-30 | 2019-03-22 | 世紀東急工業株式会社 | Apparatus for producing recycled heated asphalt mixture and method for producing recycled heated asphalt mixture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051841B2 (en) | 1993-01-11 |
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