JPH09315489A - Storage device of asphalt plied member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a storage device for an asphalt plied member in which the device can be simply and rapidly assembled/disassembled to save the man- hour. SOLUTION: A plurality of bottom panel members 9 and side panel members 20 in which a heating means is built in a base body 1 of approximate square shape are continuously arranged in an attachable/detachable manner to form a bottom plate 2, a side plate 3, and a back plate 4 to comprise a storage part 21, a covering means 5 to cover an opening part 34 formed of the side plate 3 and the back plate 4 in a freely opening/closing manner is provided on the back plate 4 side, and a control means 7 which is connected to a temperature detecting means 6 and a heating means of an asphalt plied member facing the storage part 21 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an asphalt compound stockpiling device for temporarily assembling an asphalt compound by constructing an entire asphalt at a construction site such as asphalt road pavement.

[0002]

2. Description of the Related Art Conventionally, an asphalt mixture silo used for road paving requires a large-scale device and requires a lot of time and cost for its installation. A simple asphalt mixture silo that can be easily installed in about 2 days is provided.
However, the silo used in the road paving work or the like must be removed from this site after the construction is completed, and the silo body can be disassembled. However, the shape and weight of each panel body is large,
It is extremely difficult to handle and transport, and when the heater built into the panel breaks down, the area is so large that the asphalt mixture in that area cannot be sufficiently heated or kept warm. The material may become defective.

Further, since the wiring for connecting the heaters of each panel cannot be cleaned up sufficiently, the wiring work is troublesome and an accidental disconnection occurs during the work. There were various problems such as.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and comprises a plurality of bottom panel members and side panel members each having a heating means built in a substantially rectangular base. A bottom plate, a side plate, and a back plate, which are detachably provided side by side to form an accommodating portion, are formed, and the back plate side is provided with closing means for covering the opening formed by the side plate and the back plate so as to be openable and closable. By providing the temperature detecting means for the asphalt mixture facing the housing and the control means linked with the heating means, the assembling and disassembling of the device can be performed easily and quickly to save labor and manpower. It is an object of the present invention to provide a storage device for asphalt mixture that can be achieved.

[0005]

[Means for Solving the Problems] The means of the present invention for achieving the above-mentioned object comprises a substantially rectangular base located at the bottom and installed on the ground or the like, and a heating means built into this base. A bottom plate formed by detachably arranging a plurality of bottom panel members side by side, and a plurality of side panel members having built-in heating means are detachably arranged side by side on a peripheral portion of the base body except one side portion thereof. It is formed by both side plates and a back plate that are provided to form a storage portion for the asphalt mixture, and a side plate and a back plate that are provided on the back plate side and extend from the back plate side to one side part of the base body. Closing means for covering the opening portion so as to be openable and closable, detection means for detecting the temperature of the asphalt mixture stored in the storage portion facing the storage portion, and provided at an appropriate position of the side plate or back plate, and the heating means. A control means linked to the detection means; In the configuration of Aruto mixture material for stockpiling system.

Then, a substantially rectangular base located at the bottom and installed on the ground and the like, and a bottom plate formed by detachably arranging a plurality of bottom panel members having built-in heating means on the base. An asphalt mixture having a plurality of side panel members with built-in heating means detachably arranged upright on the peripheral portion of the base body except one side portion thereof, and having openings at the top and the front. Side plates and a back plate that form a housing portion of the above, a closing means that covers the opening portions of the top portion and the front portion in an openable and closable manner, and the temperature of the asphalt mixture stored in the housing portion facing the housing portion. And a control means provided at an appropriate position of the side plate or the back plate and linked to the heating means and the detection means, and the closing means opens and closes the opening of the top part. Closing means and second closing means for opening and closing the front opening The first closing means is composed of a pair of canopies which are bisected at substantially the center of the top opening and one end of which is rotatably attached to the upper part of the side plate, and a first closing means for rotating the canopy. The second closing means has a pair of front lids that are bisected at approximately the center of the front opening and one end of which is rotatably attached to the front side of the side plate. A storage device for an asphalt mixture having a second drive means for rotating the lid is provided.

Further, the heating means is a heater using electricity as a heat source, and a wiring group of the heating means in each panel member is internally provided in the base body, and the heating means of each panel member is connected by a connecting member branched from this wiring group. Connect the terminals of.

Further, each panel member on the bottom plate, the side plate, or the back plate is filled with an asphalt mixture at a joint portion with an adjacent panel member.

[0009]

The present invention configured as described above has the following effects.

When the base is installed at the place where the apparatus is placed and the bottom panel members are arranged side by side on the base so that the peripheral ends of the base are abutted with each other, the bottom plate is formed and the heating means built in each panel member. The terminals are connected to the wiring group provided in the base.

Further, when the side panel member is erected on the peripheral portion of the base body so that the side end portions of the side panel member abut against each other, the side plate and the back plate are formed to form the accommodating portion, and the heating members built in each panel member are formed. The terminals of the means are connected to the wiring group provided in the base.

In addition, if the back plate side extends from the back plate side to one side of the base body and the opening formed by the side plate and the back plate is openably and closably covered by the closing means, the stock of asphalt mixture is stored. The device is assembled.

In use, if the asphalt mixture is loaded and stored from one side of the base by opening it by the closing means for covering the opening of the accommodating portion, this asphalt mixture is built into each panel member. The temperature of the asphalt mixture is detected by the temperature detecting means and transmitted to the control means, so that the temperature of the asphalt mixture is controlled to a predetermined temperature.

In disassembling, the closing means is removed, each panel member is removed from the base body, and the terminals of the heating means are removed from the wiring group of the base body to disassemble.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the asphalt mixture storage device according to the present invention will be described below with reference to the drawings.

1 to 2 and 10 to 11, reference numeral A is a storage device for asphalt mixture, which is constructed so as to be easily assembled at a construction site of asphalt road pavement to keep the asphalt mixture b at a predetermined temperature. The device A shown in FIG. 1 and FIG.
A bottom plate 2, side plates 3 and a back plate 4, a closing means 5,
The detection unit 6 and the control unit 7 are basically configured, and in this example, the closing unit 5 adopts a shutter type.

In this embodiment, the above-mentioned base 1 is located at the bottom of the apparatus A, and has a substantially rectangular shape by a frame member made of heavy steel frame made of C type steel or the like having a hollow inside. Form it and install it on the ground such as a construction site.

The above-mentioned bottom plate 2 is placed on the substrate 1 by heating means 8
It is formed by arranging a plurality of bottom panel members 9 with built-in parts so that they can be freely attached and detached, and is laid as shown in FIGS. 2 and 3.

As shown in FIGS. 3 and 4, the bottom panel member 9 has a substantially rectangular shape (for example, a height of 900 m).
m, width 1800 mm), and as shown in FIG. 6 and FIG. 7, a heat insulating material such as glass wool is provided between the steel plate 10 having good heat conduction and stretched on at least the surface side thereof and the back material 11. 12 is filled with the steel plate 10
The heating means 8 such as a plate heater is provided as a single body or a plurality of bodies between the heat insulating material 12 and the heat insulating material 12.
A contact plate such as a steel plate may be provided at the peripheral end portion, and the outside may be a series of frame members made of steel.

Further, when the bottom panel member 9 is stretched, the peripheral side portion of the bottom panel member 9 has a circle W shown in FIGS. The slanted portions 13 that are inclined toward each side are formed on both sides thereof.

In addition, in the peripheral portion orthogonal to the inclined portion 13, that is, in the circle portion X shown in FIG. 3, one peripheral portion has an inclined portion 14 as shown in FIGS. 4 and 6.
And a concave portion 15, and the other peripheral portion is composed of a slanted portion 16 and a convex portion 17 that engage with the above-mentioned one peripheral portion shape,
By these, the vertical coupling of the bottom plate 2 is strengthened, and the convex portion 17 is provided with a predetermined number of stopper holes 18 for connection to the base body 1 at intervals.

A notch 19 is formed in the upper portion of the slanted portion 16 of the other peripheral portion so that a joint of a predetermined width is formed by one peripheral portion of the adjacent bottom panel members 9 stretched. In this cutout portion 19, the asphalt mixture b
Are filled, the upper surface of the bottom plate 2 becomes smooth, the gaps in the joints are filled, and the bottom panel members 9 are joined together.

The above-mentioned side plates 3 and back plate 4 are the base 1
A plurality of side panel members 20 each having a built-in heating means 8 are detachably lined up and installed upright in the peripheral portion of the asphalt mixture b containing portion 2 except for one side portion.
1 is formed, and the upper portion thereof is opened, and at one side of the base 1, an inlet / outlet port 22 for letting in and out the asphalt mixture b is opened.

As shown in FIGS. 1 and 2 and 5, the side panel member 20 has a square shape (for example, a height of 2000 mm and a width of 10 mm) except for a portion corresponding to the entrance / exit 22.
00 mm), and the portion corresponding to the entrance / exit 22 is formed such that a descending inclination or descending arc is formed as the entrance / exit 22 is approached,
Similar to the bottom panel member 9 described above, the internal structure is such that a heat insulating material 25 such as glass wool is filled between a steel plate 23 having good heat conduction and stretched on the front surface side and a back material 24. A single heating unit 8 or a plurality of heating units 8 such as a plate heater are provided between the steel plate 23 and the heat insulating material 25.

Since the heating means 8 attached to the side panel member 20 moves its heat from the bottom to the top, at least a heater having a large capacity on the lower side (for example, 550 W) has a two-step structure. It is preferable to employ a heater having a small capacity (for example, 200 W) on the upper side.

Further, when the side panel member 20 is stretched, both ends of the side panel member 20 are circled portions Y shown in FIG. 3, and concave portions meshing with each other as shown in FIGS. 5 and 8. Since the joint portion between the protrusion 26 and the convex portion 27 is formed, the strength of the side plate 3 and the back plate 4 can be obtained.

Further, a longitudinal reinforcing piece 28 and a mounting piece 29 to the base 1 are attached to the outer side portion of the side panel member 20. 30 are provided at a plurality of locations.

Also, the bottom panel member 9 and the side panel member 20.
That is, in the case of the circle Z portion shown in FIG. 3, that is, as shown in FIG. Further, a notched portion 32 having an upward inclination is formed on the upper portion of the receiving concave portion 31, and a gap filled with the asphalt mixture b is continuously formed at this portion. When the asphalt mixture b is filled in, the inner surfaces of the side plate 3 and the back plate 4 become smooth and the gaps at joints are filled, and the side panel members 20 are joined together.

The above-mentioned closing means 5 is provided on the back plate 4 side, and from the back plate 4 side, one side portion of the base 1, that is, the inlet / outlet port 22.
The opening portion 34 formed by the side plate 3 and the back plate 4 so as to be straddled to the side is openably and closably covered, and is made up of a large number of slanting door-shaped slats 34 made of conventional steel. ) Is used, and when it is opened, it is housed in the storage body 35 provided in the back plate 4, so that the covering and opening of the opening 21 can be performed with one touch, and
It can be done with a compact structure that saves space.

As shown in FIG. 2, the armor door is slidably engaged with a slide guide 36 formed on the upper portions of the side plates 3 and follows the slide guide 36. The upper part of the housing portion 21 is moved from a horizontal state to a downward inclination, and rainwater or the like accumulated or falling on the closing means 5 flows out through the slide guide 36.

The slide guide 36 may be externally attached to the inside of the side plate 3.

The hoisting door is opened and closed by a driving means 37 that is electrically or manually operated. Although not shown, the hoisting door is driven at a predetermined speed by a speed reducer motor connected to a hoisting shaft or by forward and reverse rotation of a handle. It is something.

The above-mentioned detecting means 6 is for detecting the temperature of the asphalt mixture b housed in the accommodating part 21 by facing it into the accommodating part 21, and as shown in FIG. 2 or FIG. It is provided at a proper place with the side panel member 20 at a plurality of places.

The above-mentioned control means 7 is provided at an appropriate position on the side plate 3 or the back plate 4, and the heating means 8 and the respective detection means 6 are provided.
And a conventional computer and various control devices are built in, and in the temperature setting and control, the temperature of the asphalt mixture b in the accommodating portion 21 is
For example, control for maintaining the temperature at 150 ° C. to 180 ° C. and operation of each means are performed.

In FIG. 6, reference numeral 40 denotes a fastening member for fixing the bottom panel member 9 to the base body 1, which uses a bolt or a screw screw, and is screwed to a screw or a receiving hole 41 to be mounted on the base body 1. It is fixed by doing so, and it is passed through the stop hole 18 provided in the convex portion 17 of the bottom panel member 9.

The fastening member 40 is similarly provided when the side panel member 20 is fixed to the base body 1. The fastening member 40 is provided through the fastening hole 30 formed in the side panel member 20 so as to be mounted on the base body 1 by screws or receiving members. Screw it into the hole.

In FIG. 7, reference numeral 42 designates a connecting member such as a connector for detachably connecting the heating means 8 and a wiring group 43 such as a wire harness disposed in substantially the entire cavity of the base 1, which wiring group 43. In the above, the corresponding quantity is branched so that each panel member 9 and 20 can be attached and detached, and the terminal 44 protruding from each panel member 9 and 20 is fitted.

Therefore, the asphalt mix stockpiling apparatus A according to the embodiment of the present invention, which is constructed as described above, is to be installed near the construction site during road pavement work. First, the base 1 is installed. Then, the bottom panel members 9 are arranged on the base body 1 so that the peripheral end portions thereof abut against each other, as shown in FIGS. 3, 6, and 7.

At this time, as shown in FIG. 7, the horizontal connection is arranged so that a predetermined joint is formed at the peripheral end portion where the slanted portion 13 is provided, and the vertical connection is shown in FIG. As shown in FIG. 5, the inclined portion 14 and the concave portion 15 on the one peripheral portion are arranged side by side so that the inclined portion 16 and the convex portion 17 on the other peripheral portion are engaged with each other, and are provided on the convex portion 17 of the bottom panel member 9. Stop hole 1
8 to the base 1 through the fastening member 40 and the screw 41
When screwed in, one side of the bottom panel member 9 is fixed.

Then, the next bottom panel member 9 is engaged so that the concave portion 15 thereof matches the convex portion 17 of the previous bottom panel member 9, and the convex portion 17 of the bottom panel member 9 is stopped in the same manner as described above. By fixing with the attachment member 40, a predetermined shape, that is, the bottom plate 2 as shown in FIG. 3 is formed.

At this time, the terminals 44 of the heating means 8 built in each bottom panel member 9 are connected to the connecting members 42 branched from the wiring group 43 provided in the base body 1, respectively.

Further, at the peripheral portion of the bottom plate 2, the side panel members 20 are erected so that the respective side end portions thereof, that is, the concave portions 26 and the convex portions 27 abut each other as shown in FIG. Further, in joining with the bottom panel member 9,
As shown in FIG. 9, the slanted portion 13 in the peripheral portion of the bottom panel member 9 and the receiving recess 31 of the side panel member 20 are engaged with each other.

Then, the side panel members 20 are fixed to the base body 1 by screwing them into the female screws 41 of the base body 1 through the fastening holes 40 provided in the mounting pieces 29 of the side panel members 20. , The side plate and the back plate, and the accommodating portion 21
Is formed.

Further, the terminals 44 of the heating means 8 built in each side panel member 20 are connected to the connecting members 43 of the wiring group 42 provided in the base 1.

Then, the closing member 5 housed in the storage body 35 provided on the back plate side is fed out by the driving means 37 to cover the opening 34 formed by the side plate 3 and the back plate 4, and the asphalt mixture is obtained. The stockpiling device A for the material b is assembled.

In use, if the opening 34 of the accommodating portion 21 is opened by the closing means 5 and the asphalt mixture b is carried in from the inlet / outlet 22 at one side of the base 1 by a heavy machine or the like, it is accumulated in the accommodating portion 21. To be done.

At this time, the joint portion between each bottom panel member 9 and the side panel member 20 is filled with the asphalt mixture as shown in FIGS. 6 to 9 to eliminate the gap, and the asphalt mixture is formed. The panel members 9 and 20 are joined by the material b.

The asphalt mixture b is heated to a predetermined temperature by the heating means 8 built in each panel member 9, 20, and the temperature detecting means 6 detects the temperature of the asphalt mixture b one by one. Then, the temperature is controlled and maintained at a predetermined temperature of the control means 7.

Even when the contained asphalt mixture b is taken out, the work can be carried out from the doorway 22 by means of heavy equipment or manpower.

In dismantling, the closing means 5 is removed,
The panel members 9 and 20 are disengaged from the base body 1 by removing the engagement with the fastening member 40 and the like, and the terminals 44 of the heating means 8 are removed from the connecting member 43 of the wiring group 42 of the base body. To be done.

Although not shown in the drawings, the peripheral portion of the side panel member 20 and the bottom panel member 9 on the back plate 4 has a structure similar to that shown in FIG. It can be dealt with by processing the abutting portion so as to meet.

Next, a device A shown in FIGS. 10 to 11 shows an example in which the structure of the closing means 5 is a panel-shaped double door type door, and the base body 1, the bottom plate 2, and the side plate 3 are shown.
Also, the back plate 4, the detection means 6, and the control means 7 are configured in the same manner as the device A of the above-described embodiment, and the same operational effects are exhibited, and a detailed description of these configurations and operations will be given. Is omitted.

The closing means 5 comprises a first closing means 5b for opening and closing the opening 34b at the top and a second closing means 5c for opening and closing the opening 34c at the front.

Of these, the first closing means 5b is shown in FIGS.
As shown in FIG. 12, the top opening 34b is divided into two substantially in the center in the left-right direction, and one end, which is the base thereof, is rotatably attached to the upper portion of the side plate 3 by a hinge 50. It has a pair of left and right canopies 51, 51 and a first drive means 52 for rotating the canopy bodies 51, 51 in a double-spindle shape, and both canopies are provided in order to improve the outflow of rainwater and the like. The body 51 and the end of the body 51 are formed in a mountain shape having a high joint.

The canopy body 51 rotates about the hinge 50 within a range of about 90 °, whereby the top opening 34b is fully closed and fully opened.
As the first drive means 52, a conventional hydraulic cylinder is used.

The plurality of canopies 51, for example, as shown in FIGS. 9 to 11, are divided into three parts according to the number of the side plates 3, and each of these canopies 51 has its own first driving means. 52 is linked and gradually opened and closed from the front opening 34c side at intervals of several seconds, and the necessary canopy body 51 is appropriately operated according to the amount of the asphalt mixture b contained in the container 21. Along with the opening, the top opening 3
4b can be opened smoothly.

The second closing means 5c is shown in FIGS.
As shown in FIG. 1 and FIG. 13, the front opening 34c is divided into two parts in the left-right direction at substantially the center thereof, and one end thereof is formed into the side plate 3
A pair of left and right front lids 54, 54 having a heat insulating material inside and rotatably attached to the front side of the front lid by a hinge 53; and second drive means 55 for rotating the front lids 54, 54. .

The front lid 54 is rotatable about the hinge 53 within a range of about 90 °, whereby the front opening 34c is fully closed and fully opened.
As the second drive means 55, a conventional hydraulic cylinder is used.

A pair of front lids 5 with respect to the front opening 34c.
Since 4 is opened and closed in a double door shape in the left-right direction,
The open state of the conventional device is better than that of the front-tilt type front cover, and the safety for workers is improved.

Further, as shown in FIG. 14, the canopy body 51 and the front lid body 54 are such that a sealing member 56 such as packing is interposed at the abutting end portions thereof, and one or both of these end portions. The end portions of the canopy body 51 and the front lid body 54 may have a slanted shape as shown in FIG. 6 or a notched shape (not shown).

57 in FIGS. 10 and 11.
Is an entrance / exit step provided on the lower side of the front opening 34c, and is formed in an inclined shape in which the front is gradually lowered to eliminate the step formed between the placing ground and the bottom plate 2.

[0062]

According to the present invention constructed as described above, when used in asphalt road pavement construction or the like, the assembly at the site and the disassembly after the construction is completed can be carried out easily and quickly. Since the members are subdivided and assembled, their handling and transportation are extremely easy.

Moreover, even if the heating means built in a part of the panel member fails, the heating area and the heat retaining capacity for the asphalt mixture in the relevant area do not decrease so much because the heating area is small, and It is possible to prevent the asphalt mixture from becoming defective.

Further, since the wirings for connecting the heating means of each panel member can be sequentially connected from the wiring group provided in the base body, it is easy to clean up and there are few disconnection accidents, which is a troublesome wiring work. Is eliminated.

By making the closing means a double-door shape with the canopy and the front cover, the opening and closing of the opening can be ensured and the number of failures is small. And so on.

[Brief description of drawings]

FIG. 1 is a perspective view showing a storage device for asphalt mixture according to the present invention.

FIG. 2 is a schematic longitudinal sectional front view of FIG.

FIG. 3 is a development view showing an arrangement example of a bottom plate, side plates, and a back plate in FIG.

FIG. 4 is a perspective view showing a bottom panel member in FIG.

5 is a perspective view showing a side panel member in FIG. 1. FIG.

6 is a cross-sectional view showing a joined state of a circle X portion in FIG.

FIG. 7 is a cross-sectional view showing a joined state of a circle W portion in FIG.

8 is a partially cutaway plan view showing a joined state of a circle Y portion in FIG.

FIG. 9 is a partially cutaway front view showing a joined state of a circle Z portion in FIG. 2.

FIG. 10 is a perspective view showing a closed state of another example of the closing means of the asphalt mixture storage device according to the present invention.

11 is a perspective view of the open state in FIG.

12 is an explanatory view showing a main part of the first closing means in FIG.

13 is an explanatory view showing a main part of the second closing means in FIG.

14 is an enlarged cross-sectional view showing a joint portion between the canopy body and the front lid body in FIG.

[Explanation of symbols]

 1 Base 2 Bottom Plate 3 Side Plate 4 Back Plate 5 Closing Means 5b First Closing Means 5c Second Closing Means 6 Detecting Means 7 Control Means 8 Heating Means 9 Bottom Panel Members 20 Side Panel Members 21 Openings 34b Openings 34b Top Openings 34c Front opening 42 Connection member 43 Wiring group 44 Terminal 51 Canopy 52 First driving means 54 Front lid 55 Second driving means

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location E01C 19/02 E01C 19/02

Claims (4)

[Claims] 1. A substantially rectangular base located at the bottom and installed on the ground and the like, and a bottom plate formed by removably arranging a plurality of bottom panel members having built-in heating means on the base. A side plate and a back plate for forming a storage portion for the asphalt mixture, in which a plurality of side panel members having a built-in heating means are detachably arranged in a standing manner on the peripheral portion except one side portion of the base body. A closing means which is provided on the back plate side and extends from the back plate side to one side portion of the base body to cover the opening formed by the side plate and the back plate so as to be openable and closable, and faces the accommodation portion. And a detection means for detecting the temperature of the asphalt mixture stored in it, and a control means provided at an appropriate position on the side plate or the back plate and linked to the heating means and the detection means. Stockpiling equipment for asphalt mix. 2. A substantially rectangular base located at the bottom and installed on the ground, etc., and a bottom plate formed by removably arranging a plurality of bottom panel members having built-in heating means on the base. An asphalt mixture having a plurality of side panel members with built-in heating means detachably arranged upright on the peripheral portion of the base body except one side portion thereof, and having openings at the top and the front. Side plates and a back plate that form a housing portion of the above, a closing means that covers the opening portions of the top portion and the front portion in an openable and closable manner, and the temperature of the asphalt mixture stored in the housing portion facing the housing portion. And a control means provided at an appropriate position on the side plate or the back plate and linked to the heating means and the detection means, and the closing means opens and closes the opening of the top part. From the closure means and the second closure means for opening and closing the front opening. The first closing means includes a pair of canopies whose two ends are rotatably attached to the upper portion of the side plate and which are divided into two parts at substantially the center of the top opening, and a first closing member for rotating the canopy. The second closing means has a drive means, and the second closing means is divided into two parts at substantially the center of the front opening part and one end of which is rotatably attached to the front side part of the side plate, and a pair of front cover parts. A storage device for asphalt mixture, comprising: a second drive means for rotating the body. 3. The heating means is a heater using electricity as a heat source, and a wiring group of the heating means in each panel member is internally provided in the base body, and a heating member of each panel member is branched by a connecting member. The storage device for asphalt mixture according to claim 1 or 2, wherein the terminals are connected. 4. The stock for asphalt mixture according to claim 1 or 2, wherein each panel member on the bottom plate, the side plate, or the back plate is filled with an asphalt mixture at a joint with an adjacent panel member. apparatus.