JP4036999B2 - Reinforcement method for construction of pavement structure, reinforcement / material supply method and apparatus for construction of pavement structure, and material supply device with reinforcement function - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a bar arrangement method for construction of a paving structure such as a concrete structure, a bar arrangement / material supply method and apparatus for the construction of a paving structure such as a concrete structure, and a material supply apparatus with an arrangement function. .
[0002]
[Prior art]
Conventionally, a construction method is known in which concrete is continuously formed while compacting and molding concrete into a predetermined shape.
[0003]
In this case, the construction of the structure using continuous reinforcing bars uses a feeder that supplies ready-mixed concrete from dump trucks, etc., and a molding machine (slip form pavers) that compacts and finishes the leveled concrete. In the concrete leveling process, after the bar arrangement, raw concrete from a transport vehicle such as a dump truck is intercepted and supplied to the bar arrangement portion for leveling.
[0004]
[Problems to be solved by the invention]
In this way, in the bar arrangement part, it is impossible to run a transport vehicle such as a dump truck that transports ready-mixed concrete to the construction part of the concrete structure. If there is no space on both sides of the road, it is impossible to perform the preparatory work as described above, and after placing a predetermined part, the process of supplying ready concrete to the predetermined part is repeated alternately. There is a problem that it is necessary, a lot of work is required, and workability is extremely poor.
[0005]
The present invention has been made in view of the conventional situation as described above, and it is easy to reinforce reinforcing bars when building a paving structure continuously while compacting and molding a material such as concrete into a predetermined shape. A bar arrangement method that can be constructed, and a bar arrangement / material supply method that can supply materials with good workability while arranging the bars in a tunnel, etc., an apparatus that can implement this method, and a material supply device with an arrangement function The purpose is to provide.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, a bar arrangement method for constructing a pavement structure of the invention according to claim 1 is:
A plurality of rows of continuous vertical bars are installed in a state of being offset and gathered on at least one side of the roadbed, and then the horizontal bars for the vertical bars of a predetermined length are sequentially arranged. From the one end to the other end, the predetermined length is sequentially moved from the installation position to the final position so that the interval between each row is expanded from the combined state. Then, the vertical and horizontal stripes are fixed sequentially.
[0007]
The invention according to claim 2
When the transverse muscles are sequentially fixed to the longitudinal muscles of the predetermined length, the transverse muscles are held at a predetermined height position from the roadbed via a chair integrated with the transverse muscles. .
[0008]
The bar arrangement / material supply method in constructing the paving structure of the invention according to claim 3 is:
When leveling the material from the transport vehicle and compacting the leveled material to finish molding, install multiple rows of continuous vertical bars that are offset to at least one side on the roadbed. The material is supplied from the conveying vehicle to the first feeder using the non-vertical bar installation portion of the roadbed, and the material is supplied from the first feeder to the second feeder, and then molded from the second feeder. While the material is being supplied to the machine, horizontal stripes for the vertical stripes of a predetermined length are sequentially arranged at a position below the second feeder, and from one end of the vertical stripes to the other end. After moving from the installation position and installing in the final position so that the distance between each row is increased from the combined state sequentially by a predetermined length toward the final position, the vertical and horizontal lines are sequentially It is characterized by performing fixed bar arrangement work.
[0009]
The bar arrangement / material supply device for constructing the paving structure of the invention according to claim 4 is:
A transport vehicle that transports material using a non-vertical streak installation portion of a roadbed in a state where a plurality of rows of continuous vertical streaks are offset and gathered on at least one side of the roadbed, and the roadbed A first feeder that is installed in the non-longitudinal streak installation section and supplies material from the transport vehicle; and a first feeder that is installed in the non-vertical streak installation section of the roadbed and supplies material supplied from the first feeder. 2 and a molding machine that spreads and smoothes the material supplied from the second feeder and compacts and finishes the molding.
While supplying the material to the molding machine from now on, the second feeder is disposed at one end of the vertical streak in a state where the horizontal streaks for the predetermined length are sequentially arranged at the lower position. In order to install the vertical streak from the installation position to the final position so that the interval between each row is expanded from the combined state sequentially by a predetermined length from the part to the other end part. A holding / moving means for holding and moving while lifting is provided.
[0010]
The material supply device with bar arrangement function of the invention according to claim 5
This is a material supply device that is installed in a non-longitudinal streak section of a roadbed and supplies materials in a state in which multiple rows of continuous vertical streaks are offset and gathered on at least one side of the roadbed. And
While the material is being supplied, a predetermined length is provided from one end of the vertical streak to the other end in a state where the horizontal streaks for the predetermined length are sequentially arranged at the lower position. Holding / moving means for holding and moving while lifting the vertical streak so as to be installed at the final position from the installation position so that the intervals between the rows are gradually expanded from the combined state to the final state. It is provided with.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view showing knitting of an apparatus for performing a concrete structure construction method in a tunnel.
[0012]
Referring to FIG. 1, this apparatus is a dump truck 1 as a vehicle for transporting a material (a ready-mixed concrete), a turntable 2 for changing the direction of the dump truck 1, and a first concrete that supplies ready-mixed concrete from the dump truck 1. A feeder 3, a second feeder 4 that supplies the ready-mixed concrete from the first feeder 3, and a molding machine that spreads and smooths the ready-mixed concrete supplied from the second feeder 4 Slip foam paver) 5.
[0013]
With reference to FIG. 1, first, a bar arrangement method for constructing a pavement structure of the present invention will be described.
In the bar arrangement method of the present invention, a plurality of rows of continuous vertical bars 6 are installed in a state of being offset and gathered on at least one side part (both side parts in this embodiment) on the roadbed, and thereafter a predetermined length. A state in which the horizontal stripes 7 for the vertical stripes 6 are sequentially arranged, and the interval between each row is expanded from a state in which a predetermined length is sequentially arranged from one end of the vertical stripe 6 to the other end. Thus, after moving from the installation position and installing at the final position, the vertical stripes 6 and the horizontal stripes 7 are sequentially fixed.
[0014]
Then, as described above, when the horizontal bars 7 are sequentially fixed to the vertical bars 6 of a predetermined length, the horizontal bars 7 are placed at a predetermined height position from the roadbed via the chair integrated with the horizontal bars 7. I try to keep it.
[0015]
This chair will be described in detail later.
Next, a bar arrangement / material supply method in constructing the pavement structure of the present invention will be described with reference to FIG.
[0016]
In the bar arrangement / material supply method of the present invention, the material (raw concrete) from the dump truck 1 is spread and leveled, and when the spread ready concrete is compacted and finished, a plurality of rows of continuous vertical bars 6 are connected to the roadbed. It is installed in a state where it is offset toward at least one side of the upper side, and the material is supplied from the conveying vehicle to the first feeder 3 using the non-vertical line installation portion of the roadbed, and the first feeder 3, while the ready-mixed concrete is supplied to the second feeder 4 and the material is supplied from the second feeder 4 to the molding machine 5, at a position below the second feeder 4, by a predetermined length. The horizontal stripes 7 with respect to the vertical stripes 6 are sequentially arranged, and a predetermined length is sequentially arranged from one end portion of the vertical stripes 6 to the other end portion. Move from the installation position to Specific installed in position, and characterized by performing Haisuji work sequentially fixing the lateral stripes 7 with respect to the longitudinal muscle 6 by a predetermined length min.
[0017]
Next, a bar arrangement / material supply apparatus according to the present invention for carrying out such a method will be described with reference to FIG. 1 and FIG. 2 showing the side of the second feeder 4 and the molding machine 5.
The bar arrangement / material supply device is installed in a state in which a plurality of rows of continuous vertical bars 6 are offset and gathered on at least one side of the roadbed, and is installed using a non-longitudinal bar installation part of the roadbed. A dump truck 1 for transporting concrete, a first feeder 3 that is installed in a non-longitudinal streak installation section of the roadbed and supplies raw concrete from the dump truck 1, and is installed in a non-vertical streak installation section of the roadbed The second feeder 4 for supplying the material supplied from the first feeder 3 and the ready-mixed concrete supplied from the second feeder 4 are spread with an auger screw 8 and compacted by a vibrator 9. And a molding machine (slip foam paver) 5 for finishing the molding.
[0018]
And while the said 2nd feeder (material supply apparatus with a reinforcing bar holding | maintenance / moving function) 4 is supplying ready-mixed concrete to the molding machine 5 from now on, the longitudinal reinforcement 6 for every predetermined length is located in the downward position. In a state in which the horizontal stripes 7 are sequentially arranged, a predetermined length is sequentially provided from one end portion of the vertical stripes 6 to the other end portion, and the interval between the rows is increased from the combined state. Thus, in order to install from the installation position to the final position, holding / moving means for holding and moving the vertical stripe 6 while lifting is provided.
[0019]
That is, the second feeder 4 includes a main body frame 10 and a belt conveyor 11 supported by the main body frame 10, and the holding / moving means is arranged on the front side of the main body frame 10 (on the molding machine 5 side). ) And a second holding part 13 provided at the lower part on the rear side (first feeder 3 side).
[0020]
The first holding part 12 is used to fix and set the horizontal width position of the vertical bars 6, and has a plurality of pipe bodies provided extending in the direction of the vertical bars 6 with respect to the vertical bars 6 or grooves on the upper surface. It consists of a substantially U-shaped member, and the vertical streak 6 is inserted and supported inside the pipe body or inside the groove of the substantially U-shaped member.
[0021]
The second holding portion 13 includes a holding member 15 that extends in the front-rear direction, a front roller 16 that extends in the left-right direction and is rotatably supported on the front end portion of the holding member 15, and a left-right direction. A rear roller 17 that extends and is rotatably supported at the rear end of the holding member 15, and a front position and a rear position of the upper surface of the holding member 15 at a position between the front roller 16 and the rear roller 17, respectively. And a plurality of rollers 14 that are spaced apart at predetermined intervals (intervals through which the vertical bars 6 can be inserted) and are rotatably supported.
[0022]
The longitudinal bars 6 are inserted and supported inside the pipe body of the first holding part 12 or inside the groove part of the substantially U-shaped member, and the front position of the upper surface of the holding member 15 of the second holding part 13 At the rear position, the vertical stripes 6 are inserted between the adjacent rollers 14 with the vertical stripes 6 placed on the outer surfaces of the front roller 16 and the rear roller 17, respectively.
[0023]
Accordingly, in such a state in which the vertical stripe 6 is held, the second feeder 4 moves forward (to the left in FIG. 2), so that the vertical stripe 6 is positioned in the first holding portion 12 while the horizontal width position is determined. The vertical bars 6 are moved inward while being lifted so as to be installed from the initial installation position to the final position by the movement of the holding unit 13, and the intervals between the rows are expanded from the combined state. It becomes.
[0024]
Here, the configuration of the chair 18 that is integrated with the horizontal bar 7 and holds the horizontal bar 7 at a predetermined height position from the roadbed will be described.
As shown in FIGS. 3 and 4, the chair 18 is a pair of front and rear support portions made of corrugated round steel in which convex portions 19 and concave portions 20 are alternately and continuously formed in the left-right direction. 21 and a connecting portion 22 that connects the lowermost portions of the concave portions 20 facing each other in the front and rear support portions 21 and a connecting portion that connects the lowermost portions of the adjacent concave portions 20 in the front and rear support portions 21. 23, and the uppermost portions of the convex portions 19 facing each other in the front and rear support portions 21 are connected to each other, and the horizontal stripes 7 are fixed to and integrated with the top portions of the respective connection portions.
[0025]
And the chair 18 integrated with the horizontal stripe 7 is arrange | positioned on a roadbed in A area | region (For example, width area of length 10m) of FIG. At this time, the vertical bar 6 is held in a state of being lifted upward by the fixed holding unit 12 and the movable holding unit 13, and the vertical bar 6 held in this way is moved by the horizontal slide of the movable holding unit 13. After moving in the horizontal direction (left and right direction) and being positioned at a fixed position by this movement, the vertical streak is removed from the fixed holding part 12 and the movable holding part 13 and dropped downward, and dropped in this way. 6 is bound or welded to a pre-installed transverse bar 7 using a binding wire.
[0026]
In this case, the region B in FIG. 2 after the second feeder 4 moves rearward (for example, a width section having a length of 5 m) is the above-described binding (welding) section.
According to the bar arrangement method in the construction of the pavement structure described above, a plurality of rows of continuous vertical bars 6 are installed in a state of being biased toward at least one side on the roadbed, and then a predetermined length. The horizontal stripes 7 are sequentially arranged with respect to the vertical stripes 6 for each minute, and the interval between the columns is expanded from a state in which a predetermined length is sequentially arranged from one end of the vertical stripe to the other end. The horizontal bars 7 are moved from the installation position so as to be in the final state, installed at the final position, and the horizontal bars 7 are sequentially bound to the vertical bars 6 of a predetermined length. It is possible to run a transport vehicle such as a dump truck 1 that transports ready-mixed concrete to a construction part of a concrete structure by using the unoccupied part, and there is no space on both sides of the road, such as a tunnel. Even so, as in the embodiment of FIG. And the second feeders 3 and 4 can be installed using a portion where the reinforcing bars are not installed, and the dump truck 1 can travel in this way, and the first and second feeders 3 and 4 Although it can be installed, the bar arrangement can be made to proceed at the same time, so there is no need to alternately perform the bar arrangement and the supply of ready-mixed concrete, each can be executed continuously, and the work time can be shortened. There is an advantage that it is extremely high.
[0027]
Further, as described above, when the transverse muscles 7 are sequentially fixed to the longitudinal muscles 6 of a predetermined length set at the final position, the transverse muscles 7 are integrated with the chairs 18 integrated with the transverse muscles 7. If the method of holding at a predetermined height position from the roadbed is adopted, the horizontal bar 7 can be easily set at an appropriate position, the installation work of the horizontal bar 7 can be improved, and the time for bar arrangement work can be shortened. Workability can be further improved.
[0028]
Furthermore, according to the bar arrangement and material supply method in the construction of the pavement structure described above, when the ready-mixed concrete from the dump truck 1 is leveled, and the leveled ready-mixed concrete is compacted and finished, a plurality of rows are arranged. Installed in a state where the continuous longitudinal bars 6 are offset and gathered to at least one side on the roadbed, and the non-longitudinal bar installation part of the roadbed is used to transfer ready concrete from the dump truck 1 to the first feeder 3. While supplying the ready-mixed concrete from the first feeder 3 to the second feeder 4 and supplying the ready-mixed concrete from the second feeder 4 to the molding machine 5, In the position, the horizontal stripes 7 for the vertical stripes 6 of a predetermined length are sequentially arranged, and the predetermined lengths are sequentially gathered from one end of the vertical stripe 6 toward the other end. Spacing between columns The arrangement is such that the horizontal stripe 7 is sequentially fixed to the vertical stripes 6 of a predetermined length installed at the final position by moving from the installation position so as to be expanded. Since the reinforcement work is performed, the arrangement of the reinforcement and the supply of ready-mixed concrete can proceed simultaneously in a tunnel or the like, and the workability is extremely high.
[0029]
Further, according to the bar arrangement / material supply device of the present invention that implements such a method, the dump truck 1, the first feeder 3, the second feeder 4, the molding machine (slip form pavers) 5, In particular, while feeding the ready concrete to the molding machine 5 from now on, the second feeder 4 is sequentially arranged with the horizontal bars 7 for the vertical bars 6 by a predetermined length at the lower position. In the installed state, the installation position is set so that the distance between the rows is expanded from a state in which a predetermined length is sequentially gathered from one end portion of the longitudinal bars 6 toward the other end portion. In order to install it in the final position, since it is configured to have holding / moving means (first holding unit 12 and second holding unit 13 etc.) that holds and moves the vertical stripe 6, in a tunnel or the like , Construction of structures using continuous reinforcing bars should be easy and workable Since the bar arrangement and the supply of ready-mixed concrete can proceed simultaneously, the work time is shortened and the workability is extremely high, and the second feeder 4 is not only supplied with the ready-mixed concrete supply function. A muscle function can be provided, and the multi-functionalization can simplify the apparatus and reduce the equipment cost.
[0030]
In addition, this 2nd feeder 4 comprises the material supply apparatus with bar arrangement function of this invention, and this material supply apparatus with bar arrangement function is the supply of a bar arrangement and material in construction of various pavement structures. Therefore, there is an advantage that workability is extremely high, such as shortening of work time.
[0031]
【The invention's effect】
As described above, according to the first aspect of the present invention, it is possible to run the transport vehicle and to install a material feeder or the like, and it is possible to proceed with the bar arrangement simultaneously. There is an advantage that workability is extremely high, such as being able to execute each of them continuously and shortening the work time.
[0032]
According to the invention which concerns on Claim 2, a horizontal line can be set to an appropriate position easily, the installation work of a horizontal line can be improved, workability can be shortened, and workability is improved more. be able to.
[0033]
According to the invention of claim 3, in the tunnel or the like, the bar arrangement and the material supply can proceed simultaneously, and the workability is extremely high, such as shortening the work time. According to the invention according to claim 4, in a tunnel or the like, construction of a structure using continuous reinforcing bars can be easily performed with good workability, and bar arrangement and material supply can proceed simultaneously. Workability can be shortened and the workability is extremely high, and the second feeder can have not only a material supply function but also a bar arrangement function. Equipment costs can be kept low.
[0034]
According to the invention which concerns on Claim 5, in construction of various pavement structures, since bar arrangement and material supply can be advanced simultaneously, work time can be shortened, and workability is extremely high. There are advantages.
[Brief description of the drawings]
FIG. 1 is a plan view showing the knitting of a device that implements a construction method for a concrete structure. FIG. 2 is a side view showing the side of a second feeder and a molding machine in the device. FIG. 3 shows the structure of a chair. In the figure, (A) is a side view, (B) is a front view. [FIG. 4] A perspective view showing the configuration of the chair same as above [Explanation of symbols]
1 Dump Truck 3 First Feeder 4 Second Feeder 5 Molding Machine (Slip Form Paver)
6 Longitudinal muscle 7 Horizontal muscle 12 First holding portion 13 Second holding portion 18 Chair

Claims (5)

Install multiple rows of continuous vertical bars in a state of being offset and gathered on at least one side of the roadbed, and then sequentially arrange the horizontal stripes for the vertical bars by a predetermined length. From the one end to the other end, the predetermined length is sequentially moved from the installation position to the final position so that the interval between each row is expanded from the combined state. After that, a bar arrangement method for constructing a pavement structure, characterized in that the vertical and horizontal bars are sequentially fixed. When the transverse muscles are sequentially fixed to the longitudinal muscles of the predetermined length, the transverse muscles are held at a predetermined height position from the roadbed via a chair integrated with the transverse muscles. A bar arrangement method for constructing a pavement structure according to claim 1. When leveling the material from the transport vehicle and compacting the leveled material to finish molding, install multiple rows of continuous vertical bars that are offset to at least one side on the roadbed. The material is supplied from the transport vehicle to the first feeder using the non-vertical bar installation portion of the roadbed, and the material is supplied from the first feeder to the second feeder, and then molded from the second feeder. While the material is being supplied to the machine, horizontal stripes for the vertical stripes of a predetermined length are sequentially arranged at a position below the second feeder, and from one end of the vertical stripes to the other end. After moving from the installation position and installing in the final position so that the distance between each row is increased from the combined state sequentially by a predetermined length toward the final position, the vertical and horizontal lines are sequentially Construction of pavement structure characterized by performing fixed reinforcement work Reinforcement and materials supply method of the time. A transport vehicle that transports material using a non-vertical streak installation portion of a roadbed in a state where a plurality of rows of continuous vertical streaks are offset and gathered on at least one side of the roadbed, and the roadbed A first feeder that is installed in the non-longitudinal streak installation section and supplies material from the transport vehicle; and a first feeder that is installed in the non-vertical streak installation section of the roadbed and supplies material supplied from the first feeder. 2 and a molding machine that spreads and smoothes the material supplied from the second feeder and compacts and finishes the molding.
While supplying the material to the molding machine from now on, the second feeder is disposed at one end of the vertical streak in a state where the horizontal streaks for the predetermined length are sequentially arranged at the lower position. In order to install the vertical streak from the installation position to the final position so that the interval between each row is expanded from the combined state sequentially by a predetermined length from the part to the other end part. A bar arrangement / material supply device for constructing a pavement structure, characterized by comprising holding / moving means for holding and moving while lifting. This is a material supply device that is installed in a non-longitudinal streak section of a roadbed and supplies materials in a state in which multiple rows of continuous vertical streaks are offset and gathered on at least one side of the roadbed. And
While the material is being supplied, a predetermined length is provided from one end of the vertical streak to the other end in a state where the horizontal streaks for the predetermined length are sequentially arranged at the lower position. Holding / moving means for holding and moving while lifting the vertical streak so as to be installed at the final position from the installation position so that the intervals between the rows are gradually expanded from the combined state to the final state. A material supply device with a bar arrangement function, comprising:

Images