JPH0220705A - Method and device for cooling pavement material - Google Patents
Method and device for cooling pavement materialInfo
- Publication number
- JPH0220705A JPH0220705A JP17002888A JP17002888A JPH0220705A JP H0220705 A JPH0220705 A JP H0220705A JP 17002888 A JP17002888 A JP 17002888A JP 17002888 A JP17002888 A JP 17002888A JP H0220705 A JPH0220705 A JP H0220705A
- Authority
- JP
- Japan
- Prior art keywords
- pavement
- cooling
- cooling liquid
- air
- pavement material
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims 2
- 239000000463 material Substances 0.000 title abstract description 8
- 239000000110 cooling liquid Substances 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 238000009834 vaporization Methods 0.000 claims description 7
- 230000008016 vaporization Effects 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
- Road Repair (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、アスファルト混合物等により形成された舗装
体の冷却方法及び冷却装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a cooling method and a cooling device for a pavement formed of an asphalt mixture or the like.
〈従来の技術〉
道路等の舗装材として用いられるアスファルト混合物は
砕石、砂、アスファルト等の材料を所定の比率で加熱混
合したものであり、例えば道路の舗装時には通°常１１
０°Ｃ以上の状態でアスファルト混合物を敷均して転圧
した後７０〜９０°Ｃ以上の状態で仕上げてアスファル
ト舗装体を形成している。<Prior art> Asphalt mixture used as a paving material for roads, etc. is made by heating and mixing materials such as crushed stone, sand, asphalt, etc. in a predetermined ratio. For example, when paving roads, it is usually
The asphalt mixture is leveled and rolled at a temperature of 0°C or higher, and then finished at a temperature of 70 to 90°C or higher to form an asphalt pavement.
また、アスファルト舗装体の表面温度が略５０°Ｃ以上
のときに交通に供すると、アスファルト舗装体の支持力
が小さく、車両走行によりアスファルト舗装体に初期わ
だち掘れや変形が発生し易いため、アスファルト舗装体
の表面温度が略５０°Ｃ未満になったときに交通に開放
するようにしている。Furthermore, if the asphalt pavement is used for traffic when its surface temperature is approximately 50°C or higher, the supporting capacity of the asphalt pavement is small, and initial rutting and deformation are likely to occur in the asphalt pavement due to vehicle running. The pavement is opened to traffic when the surface temperature falls below approximately 50°C.
ところで、道路の補修工事のように道路の一部を交通規
制し舗装工事を行う場合、交通渋滞が発生し易いので、
アスファルト舗装体を迅速に冷却して早期に交通規制を
解除する必要がある。By the way, when paving a part of the road with traffic restrictions such as road repair work, traffic congestion is likely to occur.
It is necessary to quickly cool the asphalt pavement and lift traffic restrictions as soon as possible.
しかし、アスファルト舗装体の冷却を大気中及びアスフ
ァルト舗装体の下層等への自然放熱により行うと冷却時
間が長くなる。However, if the asphalt pavement is cooled by natural heat radiation into the atmosphere and the lower layer of the asphalt pavement, the cooling time becomes longer.
このため、従来においては、特開昭６０−２５８３０２
号公報に示すように、アスファルト舗装体の表面に噴霧
水をその蒸発との平衡を保ちつつ散布し、気化熱により
アスファルト舗装体を冷却するものが提案されている。For this reason, conventionally, JP-A-60-258302
As shown in the above publication, it has been proposed that spray water is sprayed onto the surface of an asphalt pavement while maintaining a balance with its evaporation, and the asphalt pavement is cooled by the heat of vaporization.
〈発明が解決しようとする課題〉
しかしながら、このような従来の冷却方法では、冷却効
率が充分高くないので、冷却時間が長く舗装作業時間に
おける冷却時間の占める割合が高くなる。このため、舗
装作業能率の低下を招き、また交通に開放するまでの時
間が長くなるという不具合があった。<Problems to be Solved by the Invention> However, in such conventional cooling methods, the cooling efficiency is not sufficiently high, so the cooling time is long and the proportion of the cooling time in the paving work time becomes high. This resulted in problems such as a decrease in paving work efficiency and a longer time until the road was opened to traffic.
本発明は、このような実状に鑑みてなされたもので、舗
装体の冷却効率を大巾に向上できる冷却方法及び冷却装
置を提供することを目的とする。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a cooling method and a cooling device that can greatly improve the cooling efficiency of pavement bodies.
く課題を解決するだめの手段〉
このため、本発明は、請求項１においては、冷却すべき
舗装体の表面に冷却液を散布すると共に、冷却液が散布
された舗装体に向け若しくは舗装体表面に沿って送風し
、舗装体を冷却する冷却方法を提供する。Means for Solving the Problem> Therefore, in claim 1 of the present invention, the cooling liquid is sprayed onto the surface of the pavement to be cooled, and the cooling liquid is directed toward the pavement on which the cooling liquid has been sprayed, or towards the pavement. To provide a cooling method for cooling a pavement body by blowing air along the surface.
また、請求項２においては、冷却すべき舗装体に冷却液
を散布する散布装置と、冷却液が散布された舗装体に向
け若しくは舗装体表面に沿って送風する送風装置と、を
車両に備えた冷却装置を提供する。Further, in claim 2, the vehicle is equipped with a spraying device that sprays the cooling liquid onto the pavement to be cooled, and a blower that blows air toward the pavement on which the cooling liquid has been sprayed or along the surface of the pavement. Provides a cooling device with
さらに、請求項３においては、請求項２の送風装置に、
風を所定方向に案内する導風装置を、設けるようにした
。Furthermore, in claim 3, the blower device of claim 2 includes:
A wind guide device is provided to guide the wind in a predetermined direction.
〈作用〉
そして、舗装体に冷却液を散布した後、舗装体に向け若
しくは舗装体表面に沿って送風し、冷却液の気化を促進
し、もって舗装体を効率良く冷却するようにした。<Function> After the cooling liquid is sprayed on the pavement, air is blown towards the pavement or along the surface of the pavement to promote vaporization of the cooling liquid, thereby efficiently cooling the pavement.
〈実施例〉
以下に、本発明の一実施例を第１図〜第６図に基づいて
説明する。<Example> An example of the present invention will be described below based on FIGS. 1 to 6.
第１図及び第２図において、車両本体１の前・後部には
支持フレーム２が取付けられ、これら支持フレーム２に
は走行輪３が転勤可能に夫々取付けられている。これら
走行輪３は、第１図に示すように略水平面内にて回動自
由に支持フレーム２に、夫々取付けられている。また、
車両本体ｌには、各種機器の駆動源となる発電機を含む
パワーユニット４と、水タンク、噴霧ポンプ等からなる
噴霧ユニット５と、が設けられている。また、車両本体
１の下部には、第１図中下方に空気を圧送する第１送風
機６が設けられている。1 and 2, support frames 2 are attached to the front and rear portions of a vehicle body 1, and running wheels 3 are attached to these support frames 2 in a removable manner, respectively. As shown in FIG. 1, these running wheels 3 are each attached to the support frame 2 so as to be freely rotatable in a substantially horizontal plane. Also,
The vehicle body 1 is provided with a power unit 4 including a generator that serves as a drive source for various devices, and a spray unit 5 including a water tank, a spray pump, and the like. Further, a first blower 6 is provided at the lower part of the vehicle body 1 to forcefully feed air downward in FIG.
また、凹型の車輪支持フレーム７が第３図及び第４図に
示すように複数並設され、これら車輪支持フレーム７の
両端下部には車輪８が転勤自由でかつ略水平面内にて回
動自由に取付けられている。In addition, a plurality of concave wheel support frames 7 are arranged in parallel as shown in FIGS. 3 and 4, and wheels 8 are freely movable and freely rotatable in a substantially horizontal plane at the bottom of both ends of these wheel support frames 7. installed on.
ここで、車輪支持フレーム７の巾は第５図に示すように
、冷却すべきアスファルト舗装体Ａの巾よりやや広めに
設定されている。各車輪支持フレーム７の両端下部には
前記各車輪８の向きを変える操向装置９が夫々取付けら
れている。各車輪支持フレーム７の中央部には、第５図
に示すように、所定長さのスプレーパー１０が懸架され
、これらスプレーパー１０には散布装置としての噴霧ノ
ズル１１が略−・定間隔で複数取付けられている。噴霧
ノズル１１には第６図に示すように水と空気とが供給さ
れ、噴霧ノズル１１は水と空気とを混合させることによ
り水を微粒化して噴霧するようになっている。Here, as shown in FIG. 5, the width of the wheel support frame 7 is set to be slightly wider than the width of the asphalt pavement A to be cooled. Steering devices 9 for changing the direction of each wheel 8 are attached to the lower portions of both ends of each wheel support frame 7, respectively. As shown in FIG. 5, sprayers 10 of a predetermined length are suspended in the center of each wheel support frame 7, and spray nozzles 11 as spraying devices are installed on these sprayers 10 at approximately regular intervals. Multiple installed. Water and air are supplied to the spray nozzle 11 as shown in FIG. 6, and the spray nozzle 11 atomizes the water by mixing the water and air and sprays the water.
ここで、各スプレーパー１０には前記噴霧ユニット５か
ら水と空気とがゴムホース等を介して供給され、さらに
、各噴霧ノズル１１には電磁切換弁（図示せず）を介し
て水と空気とが供給される。Here, water and air are supplied to each sprayer 10 from the spray unit 5 via a rubber hose or the like, and water and air are supplied to each spray nozzle 11 via an electromagnetic switching valve (not shown). is supplied.
また、前記車輪支持フレーム７を相互に所定間隔で接続
すると共に各車輪支持フレーム７及びアスファルト舗装
体Ａの表面を覆うように、導風装置としての可撓性シー
ト部材１２が設けられ、シート部材１２によりトンネル
状の空洞部が形成されている。ここで、シート部材１２
の一端開口部に前記第１送風機６が位置している。また
、シート部材■２の他端部は閉塞され、この閉塞部には
第２送風機１３がシート部材１２の内外を連通させるよ
うに取付けられている。ここでは、第１及び第２送風装
置６．１３が送風装置を構成する。また、第１及び第２
送風６，１３の送風方向け逆転可能になっている。Further, a flexible sheet member 12 as a wind guide device is provided so as to connect the wheel support frames 7 to each other at a predetermined interval and to cover the surface of each wheel support frame 7 and the asphalt pavement A. 12 forms a tunnel-like cavity. Here, the sheet member 12
The first blower 6 is located at one end of the opening. Further, the other end of the sheet member 2 is closed, and a second blower 13 is attached to this closed portion so as to communicate between the inside and outside of the sheet member 12. Here, the first and second blower devices 6.13 constitute a blower device. Also, the first and second
The directions of the air blowers 6 and 13 can be reversed.
そして、冷却作業時には第３図及び第４図に示すように
シート部材１２を伸ばすようになっており、ジャバラ式
構造になっている。During the cooling operation, the sheet member 12 is extended as shown in FIGS. 3 and 4, and has a bellows type structure.
尚、１４はシート部材１２を所定形状に保持するフレー
ム、１５は車両本体１に取付けられたスプレーバ−であ
る。Note that 14 is a frame that holds the seat member 12 in a predetermined shape, and 15 is a spray bar attached to the vehicle body 1.
次に作用を説明する。Next, the action will be explained.
冷却すべきアスファルト舗装体Ａを、第４図及び第５図
に示すように、跨ぐように、走行輪３及び車輪８を置さ
せた後、シート部材１２を第３図及び第４図に示すよう
に伸ばして車輪支持部材７を略一定間隔になるように配
設する。このとき、走行輪３及び車輪８を第１図中破線
示の如く、略水平面内にて９０″回動させる。After placing the running wheels 3 and wheels 8 so as to straddle the asphalt pavement body A to be cooled as shown in FIGS. 4 and 5, the sheet member 12 is placed as shown in FIGS. 3 and 4. The wheel support members 7 are stretched out and arranged at approximately constant intervals. At this time, the running wheels 3 and wheels 8 are rotated 90'' in a substantially horizontal plane as shown by the broken lines in FIG.
そして、車両を第３図及び第４図中左方に移動させつつ
、各噴霧ノズル１１から水と空気とをアスファルト舗装
体Ａの表面に噴霧させる。このとき、水に空気が撹拌混
入されるため、水が微粒化されて噴霧される。また、第
１及び第２送風機６，１３を駆動させ、シート部材１２
内をアスファルト舗装体Ａ表面に沿って第３図及び第４
図中右方に送風する。この送風方向け、施工現場におけ
る自然風の方向により決定する。Then, while moving the vehicle to the left in FIGS. 3 and 4, water and air are sprayed onto the surface of the asphalt pavement A from each spray nozzle 11. At this time, since air is stirred and mixed into the water, the water is atomized and sprayed. In addition, the first and second blowers 6 and 13 are driven, and the sheet member 12
Figures 3 and 4 inside along the surface of asphalt pavement A.
Air is blown to the right in the diagram. The direction of this air blowing is determined by the direction of the natural wind at the construction site.
このようにして、アスファルト舗装体Ａを冷却すると、
送風によってアスファルト舗装体Ａ表面の水の気化が促
進されるため、アスファルト舗装体Ａを水の気化熱によ
り効率良く冷却でき、もって短時間で交通の開放に寄与
でき交通規制を最少比に抑制できる。特に、シート部材
１２を車両の進行方向（第３図及び第４図中左右方向）
に沿って延設するようにしたので、同一位置のアスファ
ルト舗装体Ａを長時間に亘って冷却でき、アスファルト
舗装体Ａの冷却効率を大巾に向上できる。また、冷却す
べきアスファルト舗装体Ａを跨ぐように、車輪８を配設
するようにしたので、維持修繕等でアスファルト舗装の
表層部を剥取って新たにアスファルト舗装体を敷設する
ときには新たなアスファルト舗装体を傷つけることなく
冷却することができる。また、シート部材１２をジャバ
ラ構造に形成したので、シート部材１２及び車輪支持フ
レーム７を第１図に示すように、折りたたむと共に走行
輪３及び車輪８の向きを第１図中実線示の如（９０°回
動させることにより、コンパクトでかつ車中制限内にて
他の施工場所に移動させることができる。 尚、冷却効
果を向上させるために、噴霧水に表面活性剤を所定量添
加してもよく、表面活性剤を添加すると水の表面張力が
著しく低下す８るので、水がアスファルト舗装体表面に
平坦状に付着するため、水の気化が促進され、冷却効率
が大巾に向上する。前記表面活性剤の具体例として、ア
ルコール、アルデヒド、脂肪酸２石鹸等があり、入手、
取扱いの容易さから家庭用合成洗剤が好ましく使用され
る。When the asphalt pavement body A is cooled in this way,
Since the blown air promotes the vaporization of water on the surface of the asphalt pavement A, the asphalt pavement A can be efficiently cooled by the heat of vaporization of the water, thereby contributing to the opening of traffic in a short time and reducing traffic restrictions to the minimum ratio. . In particular, the seat member 12 is moved in the traveling direction of the vehicle (left and right directions in FIGS. 3 and 4).
Since the asphalt pavement A is extended along the same position, the asphalt pavement A at the same position can be cooled for a long time, and the cooling efficiency of the asphalt pavement A can be greatly improved. In addition, since the wheels 8 are arranged so as to straddle the asphalt pavement A to be cooled, when the surface layer of the asphalt pavement is peeled off for maintenance and repair etc. and a new asphalt pavement is laid, the new asphalt pavement is It is possible to cool the pavement without damaging it. Furthermore, since the seat member 12 is formed into a bellows structure, the seat member 12 and the wheel support frame 7 can be folded up as shown in FIG. By rotating it 90 degrees, it is compact and can be moved to other construction sites within the limits of a vehicle.In addition, in order to improve the cooling effect, a predetermined amount of surfactant is added to the spray water. When a surfactant is added, the surface tension of water is significantly reduced8, so water adheres flatly to the asphalt pavement surface, promoting water evaporation and greatly improving cooling efficiency. Specific examples of the surfactant include alcohol, aldehyde, fatty acid disoap, etc.
Household synthetic detergents are preferably used because of their ease of handling.
〈発明の効果〉
本発明は、以上説明したように、請求項１及び２におい
ては、冷却すべき舗装体に冷却液を散布した後舗装体に
向け若しくは舗装体表面に沿って送風を行うようにした
ので、舗装体を冷却液の気化熱により効率良くかつ短時
間で冷却できるため、もって交通規制時間を短縮できる
。また、請求項３においては、風を所定方向に案内する
導風装置を設けたので、送風により冷却液の気化を大巾
に促進でき、もって舗装体の冷却率を大巾に向上できる
。<Effects of the Invention> As explained above, in claims 1 and 2 of the present invention, after spraying the cooling liquid onto the pavement to be cooled, air is blown toward the pavement or along the surface of the pavement. As a result, the pavement can be efficiently and quickly cooled by the heat of vaporization of the coolant, thereby reducing traffic regulation time. Further, in the third aspect, since the air guiding device is provided to guide the air in a predetermined direction, the vaporization of the cooling liquid can be greatly promoted by the air blowing, thereby greatly improving the cooling rate of the pavement.
第１図は本発明の一実施例を示す構成図、第２図は同上
の側面図、第３図及び第４図は同上の作用を説明するた
めの図、第５図は同上の要部断面図、第６図は同上の要
部拡大図である。
ｌ・・・車両本体 ６・・・第１送風装置 １１・
・・噴霧ノズル １２・・・シート部材 １３・・
・第２送風装置Fig. 1 is a configuration diagram showing one embodiment of the present invention, Fig. 2 is a side view of the same, Figs. 3 and 4 are diagrams for explaining the action of the above, and Fig. 5 is the main part of the same. The sectional view and FIG. 6 are enlarged views of the main parts of the same. l... Vehicle body 6... First air blower 11.
...Spray nozzle 12... Sheet member 13...
・Second blower
Claims (3)
に、冷却液が散布された舗装体に向け若しくは舗装体表
面に沿って送風し、舗装体を主として冷却液の気化熱に
より冷却するようにしたことを特徴とする舗装体の冷却
方法。(1) Cooling liquid is sprayed onto the surface of the pavement to be cooled, and air is blown toward or along the surface of the pavement on which the cooling liquid has been sprayed, thereby cooling the pavement mainly by the heat of vaporization of the cooling liquid. A method for cooling a pavement body, characterized by:
、冷却液が散布された舗装体に向け若しくは舗装体表面
に沿って送風する送風装置と、を車両に備えたことを特
徴とする舗装体の冷却装置。(2) The vehicle is equipped with a spraying device that sprays coolant onto the pavement to be cooled, and a blower that blows air toward or along the surface of the pavement on which the coolant has been sprayed. Pavement cooling system.
備えてなる請求項２記載の舗装体の冷却装置。(3) The pavement cooling device according to claim 2, wherein the blower device includes a wind guide device that guides the wind in a predetermined direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63170028A JP2623300B2 (en) | 1988-07-09 | 1988-07-09 | Pavement cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63170028A JP2623300B2 (en) | 1988-07-09 | 1988-07-09 | Pavement cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0220705A true JPH0220705A (en) | 1990-01-24 |
| JP2623300B2 JP2623300B2 (en) | 1997-06-25 |
Family
ID=15897264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63170028A Expired - Fee Related JP2623300B2 (en) | 1988-07-09 | 1988-07-09 | Pavement cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2623300B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964536A (en) * | 2021-02-05 | 2021-06-15 | 中国建筑第四工程局有限公司 | Quick cooling device for asphalt test piece |
| CN113265931A (en) * | 2021-05-25 | 2021-08-17 | 江苏骏豪建设工程有限公司 | Rapid cooling device for asphalt for road paving and working method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6312168A (en) * | 1986-07-03 | 1988-01-19 | Oki Electric Ind Co Ltd | LDDMIS field effect transistor |
-
1988
- 1988-07-09 JP JP63170028A patent/JP2623300B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6312168A (en) * | 1986-07-03 | 1988-01-19 | Oki Electric Ind Co Ltd | LDDMIS field effect transistor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964536A (en) * | 2021-02-05 | 2021-06-15 | 中国建筑第四工程局有限公司 | Quick cooling device for asphalt test piece |
| CN113265931A (en) * | 2021-05-25 | 2021-08-17 | 江苏骏豪建设工程有限公司 | Rapid cooling device for asphalt for road paving and working method thereof |
| CN113265931B (en) * | 2021-05-25 | 2022-03-22 | 江苏骏豪建设工程有限公司 | Rapid cooling device for asphalt for road paving and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2623300B2 (en) | 1997-06-25 |
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