DE69531339T2 - Method for producing a road surface on a test track for vehicles and roadway element for this test track - Google Patents

Description

The present invention relates to a roadway element for a test track and the formation of a road surface at one such test track with a surface characteristic to match Testing of vehicles, vehicle tires and other vehicle parts, appropriate lane elements are used.

Usually a road surface has a surface characteristic on a test track suitable for testing a vehicle, vehicle tires or others Vehicle parts, with a concrete road layer on the road surface is formed first and then using fittings using adhesives Sliding friction on the surface the concrete pavement layer.

However, such is known Process for the production of a carriageway on a test track as a disadvantage that the time required is large, since the fittings are individually must be placed on the concrete pavement layer.

The known method of manufacture of the road surface on the test track still shows as a disadvantage that a desired Accuracy in road surface finishing is difficult to achieve, since all fittings are arranged in the same Level is difficult.

FR 2 699 944 discloses a structure for one Road surface of a street with a variety of longitudinal and cross members that form a lattice pattern with each other are connected. The various parts are then covered and finally receives one a top of the street with a certain surface.

DE 1 218 487 shows how concrete slabs can be formed, which are used for roads with high traffic. The concrete slabs have a rectangular shape with a certain structure along their circumference, which is used to connect adjacent slabs.

BE-A-369 106 shows components for a road surface, the are supported by concrete cross sections, between the floor and different parts of the road surface are arranged.

DE-U-8 619 230 shows stacked parts, the one in a carrier are attached.

CH-A-594 106 discloses a rectangular plate for arrangement on heavily used areas of the floor with certain Water spout.

Travaux No. 661, January 1991, Paris (FR) page 50 “Info Actualities " a surface for a street which certain characteristics to create friction between the tires of a vehicle and the surface having.

The invention is based on the object Provide roadway element that easily becomes a drivable surface an automobile test track in a short time and at a comparably low level Cost can be put together.

Another object of the invention is a method of forming a pavement on a vehicle test track to provide the construction effectiveness of the road surface on the automotive test track as well as the accuracy of surface finishing improved.

Advantageous embodiments of the invention result from the features of the subclaims.

Other features and advantages of the following Invention are apparent from the following description in Connection with the attached figures.

Show it:

1 a cross section through an embodiment of a roadway element according to the present invention;

2 a plan view of the road element after 1 ;

3 a cross section through a mold frame for use in the manufacture of the road element 1 ;

4 a plan view of the mold frame after 3 ;

5 an enlarged cross section of a first type of chuck part for use in the manufacture of the roadway element according to 1 ;

6 an enlarged cross section through a second type of hole chuck part for use in the manufacture of the roadway element after 1 ;

7 a cross section of a road element 1 , attached to a suspension device for moving the road element;

8th a plan view of the road element, which on the suspension device after 7 is appropriate;

9 a side view of a crane for lifting the suspension device attached to the roadway element according to 7 to its movement;

10 a cross section of a road element 1 , fastened with adjusting bolts and a connecting part used to arrange this track element;

11 an enlarged portion of the connector 10 ;

12 a cross section through the road element 1 , fastened with adjusting bolts and a filling device used for laying the road element;

13 an enlarged cross section of a first type of hole of the lane element according to 1 after completion of laying the road element;

14 an enlarged cross section of a second type of hole of the lane element according to 1 after finishing laying this Roadway element;

15 a cross section of a modified configuration of a roadway element according to the present invention;

16 a cross section of the road element 1 fastened with modified adjusting bolts and a connecting part used for laying the road element, and

17a and 17b Cross-sectional views of an adjusting bolt with a flat lower end and an adjusting bolt with a tipped lower end and explanation of the effects of the modified adjusting bolt 16 ,

In the following we will use your exemplary embodiment Roadway element for covering an automobile test track according to the present Invention described with reference to the figures.

1 and 2 show a prefabricated roadway element 1 , This is manufactured in a factory before it is used to cover the automotive test track.

To 1 and 2 includes this prefabricated roadway element 1 a concrete block part 3 , Fittings 5 with the required surface characteristics so that a desired sliding friction is formed on the surface, which is fixed on the top of the concrete block part 3 are hung up; a variety of holes 7 of a first type through the concrete block part 3 are passed through because each hole has an upper opening through a fitting similar to the fittings 5 can be covered; a variety of holes 11 of a second type, which is characterized by the concrete block part 3 extend, of which each hole is a thread 9 has inside and its upper opening through a fitting similar to the fittings 5 can be covered; front connectors 19 to connect this prefabricated lane element 1 with other prefabricated lane elements for arrangement at the front, and rear connecting parts 21 to connect this prefabricated roadway element 1 with another prefabricated lane element for arrangement on a rear side.

The holes 7 The first type is used to fill a filling material, such as cement, after the prefabricated roadway element has actually been placed 1 at the appropriate place on the automobile test track. The holes 11 of the second type serve to move the prefabricated roadway element 1 to the corresponding position of the automobile test track and to adjust a level of the prefabricated roadway element 1 with regard to the adjacent prefabricated roadway elements, as described in detail below.

The fittings 5 cover the entire top of the concrete block part 3 except the position of the holes 7 first type and the holes 11 second type if the prefabricated roadway element 1 is made in the factory. The openings of the first type and the second type are made by fitting fittings 5 closed over these openings, as will be described later.

The prefabricated roadway element 1 can be manufactured in a factory according to the following procedure.

First is after 3 and 4 a mold frame 25 prepared and the front and rear connection components 19 and 21 are on the front and rear end sides of the mold frame 25 attached while fittings 5 on the entire bottom of the mold frame 25 except at positions of the holes 7 and 11 first and second type are placed and fitting connection adjusting parts 27 are between adjacent fittings 5 intended. Then lining parts 35 of the first type of hole to form the holes 7 first type and lining parts 43 of the second type of hole to form the holes 11 second type at appropriate positions on the underside of the mold frame 25 using bolts 45 appropriate.

The lining part shows 35 detailed configuration of the first hole type 5 and includes: a dummy molding 29 which is on the bottom of the mold frame 25 is placed; one on the dummy molding 29 standing pipe 31 which is an inside of the hole 7 first type forms, and a lid 33 to close an upper opening of the tube 31 , the bolt 45 through the dummy molding 29 and the lid and the bottom of the mold frame 25 passed through and with a mother 48 on a back of the bottom of the mold frame 25 is engaged.

Furthermore has a lining part 43 a structure according to the second hole type 6 which includes: a dummy molding 37 for arrangement on the underside of the mold frame 25 , one on the dummy molding 37 standing pipe 39 which is an inside of the hole 11 second type forms a screw part 41 to form the thread 9 inside the hole 11 second type, which is above the pipe 39 is provided; a positioning part 38 inside the tube 39 for positioning the screw part 41 regarding the pipe 39 , and a lid 46 for closing an upper opening of the screw part 41 , the bolt 65 through cover 46 as well as the bottom of the mold frame 35 goes through and with a mother 48 on the back of the bottom of the mold frame 25 is engaged.

Then cement is placed in the mold frame 25 poured in around the concrete block part 3 to form, after its formation by hardening the cement all lining parts 35 of the first type of hole other than the pipe 31 by removing the bolts 45 be removed while all lining parts 43 of the second hole type except the screw part 41 and the pipe 39 by removing the bolts 45 be removed. Then the manufactured, prefabricated roadway element 1 equipped with holes 7 and 11 of the first and second type, the front and rear connecting part 19 . 21 and the flow or tile-like fittings 5 from the mold frame 25 be removed.

Next, an embodiment of the method for manufacturing the pavement on an automobile test track according to the present invention, which includes a plurality of the prefabricated pavement elements 1 used, which were prepared in advance as described above, described in detail.

First, the prefabricated lane element 1 that was manufactured in the factory in advance, as described above, transported to the actual location of the automobile test track. Then, see 7 and 8th , becomes a hanging device 15 at the top of the prefabricated roadway element 1 by engaging fastening bolts 17 the hanging device 15 on the thread 9 of the holes 11 second type in the prefabricated track element 1 attached. To 9 then becomes the preformed roadway element 1 together with the hanger 15 by a crane 47 by attaching the hanger 15 raised and moved to approximately the position of the automotive test track.

Then the hanger 15 from the preformed roadway element 1 by loosening the fastening bolts 17 from the threads 9 of the holes 11 second type on the preformed roadway element 1 away.

Next, each preformed pavement element 1 with other pre-formed road elements 1 connected that are adjacent to each other, see 10 placed and positioned at the appropriate position on the automobile test track. Thereby follows 10 a connection of two adjacent preformed roadway elements 1 by means of a connecting part 23 which has a rod section 23a has, which in a in the front connecting part 19 one of the preformed roadway elements 1 is used, and a threaded portion 23b has that with one in the rear connecting part 21 of the other prefabricated roadway element 1 provided thread is engaged.

Next are adjustment bolts 13 in the holes 11 second type used and with the threads 9 engaged so that a lower end of each adjustment bolt 13 with a plate component 49 comes into contact with the system in a predetermined position below the prefabricated roadway elements 1 was ordered. Then a height of each adjustment bolt 13 that extends over the preformed roadway element 1 extends, adjusted at a predetermined height so that the preformed roadway element 1 is leveled with respect to the adjacent preformed roadway elements.

In 12 becomes a filling device 51 in each of the holes 7 of the first type of preformed pavement element 1 used one after the other. A filler 53 How cement is between the automotive test track surface and the underside of the preformed pavement element 1 cast. The pouring of the filling material as 53 by observing the pouring of a sufficient amount of the filling material 53 at each of the holes 7 of the first type carried out by observation, the observation of adjacent holes 7 of the first type, which is not yet used to fill the filling material 53 are used, and the filling is at each of the holes 7 of the first type until it is completely filled.

After the filling material has hardened 53 become the adjustment bolts 13 out of the holes 11 of the second type and the top opening of each hole 7 of the first type is done by attaching a fitting 5 to 13 covered while the top opening of each hole 11 of the second type by inserting a sponge part 55 to protect the thread 9 from above and by attaching a fitting 5 to 14 is covered. This fixing the cover 5 at the top openings of the holes 7 and 11 of the first and second type completes the surface of the automobile test track.

• (1) Das vorgeformte Fahrbahnelement 1 ist einfach zu transportieren, da es als einzelne Einheit ausgebildet ist.
• (2) Die Verbindung zwischen benachbarten vorgeformten Fahrbahnelementen wird durch Verwendung der Verbindungsteile 23 zwischen den benachbarten vorgeformten Fahrbahnelementen 1 gesichert.
• (3) Die vorgeformten Fahrbahnelemente 1 werden relativ zueinander genau nivelliert durch Justieren der Justierbolzen 13, die in die Löcher 11 des zweiten Typs eingesetzt sind, so dass die erwünschte Genauigkeit für die Straßenoberflächenfertigstellung erreicht werden kann.
• (4) Das vorgeformte Fahrbahnelement 1 kann fest an der Automobilteststrecke durch Verwenden des Füllmaterials 53 montiert werden, das durch Löcher 7 des ersten Typs eingegossen wird.
• (5) Die Effektivität der Konstruktion des Fahrbahnbelags auf der Teststrecke kann verbessert werden, da der Fahrbahnbelag durch Verwendung von blockförmigen, vorgeformten Fahrbahnelementen 1 hergestellt wird.

As a result, the coverage of the automobile test track by using the preformed roadway elements 1 , as described above, the following advantages:

• (1) The preformed pavement element 1 is easy to transport because it is designed as a single unit.
• (2) The connection between adjacent preformed roadway elements is made by using the connecting parts 23 between the adjacent preformed roadway elements 1 secured.
• (3) The preformed roadway elements 1 are precisely leveled relative to each other by adjusting the adjustment bolts 13 that in the holes 11 of the second type are used so that the desired accuracy for road surface finishing can be achieved.
• (4) The preformed roadway element 1 can be fixed to the automotive test track by using the filler material 53 be mounted through holes 7 of the first type is poured.
• (5) The effectiveness of the construction of the road surface on the test track can be improved, since the road surface by using block-shaped, pre-formed road elements 1 will be produced.

In the exemplary embodiment of the roadway element, as described above, the configuration according to is preferred 15 modified, after which the preformed roadway element 1' still a film layer 16 has on the underside of the concrete block part 3 except in the places of the holes 7 of the first type and the holes 11 of the second type is formed when this preformed roadway element 1 is made in the factory.

Because there are cases where it is necessary the level of the preformed pavement element after it is attached to be re-adjusted at the appropriate position on the automotive test track, because the surface the automobile test track, which supports the preformed roadway element irregular sinking shows. There are also cases where the automotive test track itself moves to another location the future should be moved and it is preferred that the preformed Road elements of this automotive test track also on the other Can be used again.

In these cases, the removal of the preformed roadway element 1 from an order 1 , in which it is attached to the automobile test track, damage to the preformed roadway element 1 itself or the automotive test track surface cause the preformed roadway element 1 and the surface of the automobile test track are firmly connected to one another by the filler material.

In contrast, the preformed lane element causes 1' according to the configuration 15 no problem with its removal because of the presence of the film layer 60 between the concrete block part 3 of the preformed roadway element 1' and firmly adhering to the surface of the automobile test track is avoided.

This film layer 60 can be done by attaching an appropriate film part such as a vinyl film to the bottom of the concrete block part 3 before curing when cementing the concrete block part 3 be attached during the manufacturing process or by performing an application treatment on the underside of the concrete block part 3 after the cement molding of the concrete block part has hardened 3 in the manufacturing process.

On the other hand, in the exemplary embodiment of the method for forming the road surface of the automobile test track, as described above, it is preferred to adjust the shape of the adjusting bolts 16 to modify, each adjusting bolt 13 ' has a lower end on a plate member 49 abuts and has a substantially pointed shape, so that an arrowhead shape or a hemisphere shape is present, which is essentially a point contact with the plate component 49 having.

Adjusting the height of the preformed plate component 1 is achieved by turning the adjustment bolt in the thread 9 to the preformed roadway element 1 raise or lower as a whole in the vertical direction. It becomes an adjustment bolt 13 used with a flat lower end, see 10 , in addition to a force in the vertical direction to raise or lower the preformed roadway element 1 a force in a horizontal plane in the direction of rotation of the adjustment bolt 13 also on the preformed roadway element 1 be applied as in 17A displayed. As a result, there are cases in which the planar position of the preformed roadway element 1 away from the intended position.

Instead, an adjustment bolt 13 ' with a pointed lower end used after 16 , only a vertical force is required to raise or lower the pre-formed track element 1 can be exercised on this when the adjustment bolt 13 ' is rotated as in 17B indicated, so that an undesired adjustment of the planar position of the preformed roadway element 1 at the time of component height adjustment 1 can be avoided.

It should be noted that the pointed lower end of the adjustment bolt 13 ' can be formed by an additional structural part, which at a lower end of the adjusting bolt 13 ' by means of, for example, a bearing arrangement, if desired.

It should also be noted that many modifications and variations of the above embodiments without departing from the new and advantageous features of the invention possible are. Accordingly all such modifications and variations within the scope of protection attached Expectations be included.

Claims (16)

Kit with a road surface component, which can be placed on a vehicle test track to form a road surface, the road surface component ( 1 . 1' ) comprises a concrete block, characterized in that the concrete block ( 3 ) a large number of first holes ( 7 ) having; that pass through the concrete block and a plurality of second holes ( 11 ) that pass through the concrete block, each of the second holes ( 11 ) a thread formed in it ( 9 ) and that a variety of plates ( 5 ) with a desired surface characteristic, which are provided on an upper side of the concrete block ( 3 ) except at the positions of the first and second holes ( 7 . 11 ) are provided. Kit according to claim 1, characterized in that upper openings in the first holes ( 7 ) and the second holes ( 11 ) on the concrete block ( 3 ) to arrange additional panels ( 5 ) are provided, which have a desired surface characteristic to complete the road surface for the automobile test track. Kit according to claim 1 or 2 , characterized in that the kit continues to have additional panels ( 5 ) with a desired surface characteristic for closing the upper openings of the first and second holes ( 7 . 11 ) on the concrete block ( 3 ) having. Kit according to claim 2 or 3, characterized, that the additional Removable plates are. Kit according to one of the preceding claims, characterized in that the first holes ( 7 ) Filling holes for filling a space between the road surface components ( 1 ) and the automotive test track through a filler material ( 53 ) are. Kit according to one of the preceding claims, characterized in that the second holes ( 11 ) Thread ( 9 ) have screw holes for fastening bolts ( 17 ) for releasable engagement with the threads ( 9 ). Kit according to one of the preceding claims, characterized in that the concrete block ( 3 ) still lanyard ( 19 . 21 ) for connecting the road surface components ( 1 ) with other, adjacent road surface components. Kit according to one of the preceding claims, characterized in that the kit further adjustment bolts ( 13 . 13 ' ) for adjusting a height of the road surface components with respect to the automobile test track by inserting them in the second holes ( 11 ), these bolts ( 13 . 13 ' ) with the threads ( 9 ) inside the second holes ( 11 ) can be brought into engagement and can be rotated with respect to these threads. Kit according to claim 8, characterized in that the adjusting bolt ( 13 . 13 ' ) has a substantially pointed end, which is applied to the automobile test track. Kit for forming a road surface of an automobile test track, characterized by the following steps: Manufacture of a large number of road surface components ( 1 ) with the features of at least one of the preceding claims; Laying the manufactured road surface components ( 1 ) on the automobile test track with plates ( 5 ) on the top of each road surface component, with these facing upwards; Inserting adjustment bolts ( 13 . 13 ' ) in every second hole ( 11 ) for engagement with the threads ( 9 ) inside the second holes ( 11 ), Adjusting the height of each road surface component with respect to the automobile test track by turning the adjustment bolts ( 13 . 13 ' ) regarding the thread ( 9 ) so that each road surface component ( 1 ) with respect to an adjacent road surface component ( 1 ) is aligned; Cover the top openings of the first and second holes with additional plates ( 5 ) with the same surface characteristics as the other slabs placed on the concrete block surface. A method according to claim 10, characterized in that each adjusting bolt ( 13 ) abuts the automotive test track with its essentially pointed end. A method according to claim 10, characterized in that in the manufacturing step, the concrete block ( 3 ) and the plates ( 5 ) in one piece by arranging the plates on a shaping frame ( 25 ) are formed, and then concrete is poured into the molding frame so that the concrete block ( 3 ) is formed with the slabs on it when the concrete hardens, while the first and second holes ( 7 . 11 ) inside the concrete block ( 3 ) are formed at the time of forming the concrete block with the one-piece plates by first molding members ( 35 ) in the form of the first holes ( 7 ) and second molded component ( 43 ) in the form of the second holes ( 11 ) on the form frame ( 25 ) are fixed before pouring the concrete into the mold frame. A method according to claim 10, characterized in that in the laying step each road surface component ( 1 ) is placed on the automobile test track by the following steps: inserting fastening bolts ( 17 ) for fastening every road surface component ( 1 ) on a fastening device ( 47 ) in second holes ( 11 ) for engagement with the threads ( 9 ) within the second holes, and lifting and moving the pavement component ( 1 ) by using the hanging device ( 47 ), which on each road surface component ( 1 ) are fastened to the corresponding position on the automobile test track by the fastening bolts. A method according to claim 10, characterized in that in the laying step each road surface component ( 1 ) with another neighboring road surface component ( 1 ) by connecting means ( 19 . 21 . 23 ) which is connected to the concrete block ( 3 ) of each road surface component ( 1 ) are provided. A method according to claim 10, characterized by the further step of filling a filling material ( 53 ) to fill a space between everyone Road surface component ( 1 ) and the automobile test track through the first holes ( 7 ) after adjusting the height of each pavement component in the adjusting step. A method according to claim 15, characterized in that the additional plates ( 5 ) are loosened while the first holes ( 7 ) and second holes ( 11 ) in the filling step and in the adjustment step, and after removing the adjustment bolts ( 13 . 13 ' ) from the second holes ( 11 ) after the filling material filled in the filling step ( 53 ) has hardened, attach the additional plates ( 5 ) to cover the upper openings of the first holes ( 7 ) and second holes ( 11 ) after the removal step.