JP4034144B2 - Slope reinforcement method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a slope reinforcing method for efficiently performing slope reinforcement work on a slope close to a railway line without providing a work scaffold and within a train operation stop time zone.
[0002]
[Prior art]
For example, a retaining wall made of masonry or the like is often installed on the slope such as a point where a subway train has come out on the ground, but in recent years in order to prevent collapse of this slope, In addition to inserting reinforcing steel materials such as rock bolts and filling grout materials around the surrounding area, integration with the ground is carried out, and slope reinforcement work is carried out to reduce earth pressure, increase slope stability and support capacity. It has been broken.
[0003]
Conventionally, this type of construction has been carried out by constructing a work scaffold along the slope and installing a small construction machine on the work scaffold so as not to enter the building limits.
[0004]
[Problems to be solved by the invention]
However, the construction of the work platform and the removal after the completion of the work is a work during the train stoppage time (out of business hours), so there are problems such as a prolonged work and a great deal of labor and cost. There was a hindrance to the efficiency of construction. In addition, since the work platform is left outside the construction hours, that is, during the business hours of the railway, it is necessary to pay more attention than necessary to the maintenance and management of the work platform.
[0005]
Furthermore, as described above, it is necessary to assemble work scaffolds so that they do not enter the building limits, which inevitably reduces the scaffolding area, and workers are forced to work on high places on narrow scaffolds, which is dangerous for work. The nature was also great.
[0006]
Therefore, the main problem of the present invention is that a work scaffold is not required, and the slope reinforcement can be performed efficiently within the operation stop time zone of the train, thereby shortening the construction period, reducing labor and expenses, etc. It is to provide a slope reinforcement method that ensures the safety of construction.
[0007]
[Means for Solving the Problems]
The present invention according to claim 1 for solving the above-mentioned problems includes at least a drilling machine and an aerial work facility on a carriage traveling on a railway line under the condition of being within the limits of a railway vehicle when traveling. And, from the front side in the direction of travel, the drilling machine, the mounting equipment for slope reinforcement in the order of the equipment for working at high places,
Of the work steps consisting of drilling, grout injection, reinforcing steel material insertion, and head treatment while repeating the movement and stopping of the carriage, the drilling machine performs at least work including drilling, and the subsequent high The slope reinforcement work is performed by a procedure for performing work including at least a head processing by the facility work facility.
[0008]
The present invention according to claim 2 includes at least a drilling machine and an aerial work facility on a carriage traveling on a railway line under conditions that are within the limits of the railway vehicle when traveling, and on the front side in the traveling direction From the above drilling machine, mounting equipment for slope reinforcement in the order of the equipment for working at high places,
Among the work steps consisting of drilling, grout injection, reinforcement steel material insertion and head treatment while repeating the movement and stop of the carriage, at least drilling by the drilling machine and at most from the drilling to the reinforcing steel material Is carried out up to the insertion of the head, and at least the head treatment is performed by the subsequent high-altitude work facility, and the slope reinforcement work is performed by the procedure of performing the work from the grouting to the head treatment at the maximum. Is.
[0009]
The present invention according to claim 3 is, on a carriage traveling on a railway line, under conditions that fit within the limits of a railway vehicle during traveling, a slope reinforcing material, a drilling machine, an aerial work facility, Equipped with a drilling pump unit and a grout injection plant,
Of the work steps consisting of drilling, grout injection, reinforcement steel material insertion and head treatment, if the drilling machine has completed the work including at least drilling for a predetermined section, the carriage is moved in the traveling direction, While sequentially performing work including at least drilling for the next construction section adjacent by the drilling machine, and by using the aerial work equipment located on the rear side in the traveling direction, sequentially following the work by the drilling machine, Slope reinforcement work is performed by a procedure for performing work including at least head processing.
[0010]
According to a fourth aspect of the present invention, a material for reinforcing a slope, a drilling machine, and an aerial work facility are provided on a carriage traveling on a railway line, under conditions that are within the limits of a railway vehicle when traveling. In addition to mounting, a drilling pump unit and a grout injection plant are installed on the slope reinforcement site,
Of the work steps consisting of drilling, grout injection, reinforcement steel material insertion and head treatment, if the drilling machine has completed the work including at least drilling for a predetermined section, the carriage is moved in the traveling direction, While sequentially performing work including at least drilling for the next construction section adjacent by the drilling machine, and by using the aerial work equipment located on the rear side in the traveling direction, sequentially following the work by the drilling machine, Slope reinforcement work is performed by a procedure for performing work including at least head processing.
[0011]
This invention which concerns on Claim 5 replaces with the structure which mounts the said drilling machine and the aerial work equipment on the trolley | bogie which runs on a railway line, and makes it a self-propelled rail vehicle which runs on a railway line. is there.
[0012]
In the above invention, the “traveling direction” refers to the traveling direction of the carriage at the slope reinforcement construction site, and does not refer to the traveling direction of the forward path and the return return path until the carriage goes to the slope reinforcement construction site.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
[First embodiment]
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a knitting diagram of a work carriage 1A equipped with a set of slope reinforcing machinery used in the present invention.
[0014]
In the working carriage 1A, a plurality of carriages 5, 13, 14,... Capable of traveling on the railway line 2 are connected by a connecting member 4, and the carriage groups 5, 13, 14,. Therefore, on the traveling carriage to which the towing vehicles 3 and 3 are connected, in order from the front side in the traveling direction at the slope reinforcement site, the material for slope reinforcement such as the lock bolt 6, the hole drilling machine 7 for drilling holes on the slope, High-place work equipment 8 for inserting the lock bolt 6 and head treatment into the hole formed on the slope, lighting equipment 9 and a generator 10 for illuminating the work site, and drilling water is supplied at the time of drilling. For this purpose, the drilling pump unit 11 and the grout injection plant 12 are arranged in the order of arrangement.
[0015]
In this case, the relative positional relationship between the drilling machine 7 and the aerial work facility 8 is such that the drilling machine 7 is located on the front side in the advancing direction and the aerial work facility 8 is located on the rear side in the advancing direction. In addition, it is necessary to have all the slope reinforcement machinery and equipment within the limits of the railway vehicle when traveling on the bogie. In addition, outriggers 15..., 16 are respectively provided at four locations on the side of the carriage group 5, 13, 14, in particular, the carriage 13 on which the drilling machine 7 is mounted and the carriage 14 on which the high-altitude work facility 8 is mounted. ... is provided.
[0016]
As shown in FIG. 2, the drilling machine 7 is a self-propelled drilling machine with an improved backhoe for miniaturization, and a machine main body 18 that can rotate around a vertical axis at the top of a crawler-type traveling body 19. The machine body 18 is provided with a drilling device 25. Specifically, the second arm 21 is provided with a first arm 20 that can be tilted in the prone direction, and a second arm 21 that can be tilted in the prone direction by a jack 22 at the tip of the first arm 20. The tip of the arm 21 can be tilted up and down by a jack 24 and is provided with a guide cell 27 that is supported by a jack 23 so as to be pivotable, so that drilling can be performed from a low position to a high position. It is said. Further, the drill head 28 employs a rotary percussion method capable of rotating and striking so that the stone wall portion 35 and the natural mountain portion 36 of the slope 34 can be drilled in a consistent process. At the time of construction, the outriggers 15 and 15 provided on the transport carriage 13 are extended to the side, the reaction force is taken to the extent that the wheels 17 and 17 are lifted, and the level is adjusted so that the carriage surface is horizontal.
[0017]
On the other hand, as shown in FIG. 3, the aerial work facility 8 includes a turning base 31 that is rotatable about a vertical axis on an upper part of a tire-type traveling body 30, and is extendable and tiltable on the turning base 31. A free boom 32 is provided, and a deck 33 is provided at the tip of the boom 32, and is mounted on a transport carriage 14 having outriggers 16, 16 similar to the drilling machine transport carriage 13. At the time of construction, the reaction force is taken to the extent that the wheels 29 and 29 are lifted by the outriggers 16 and 16 provided on the transport carriage 14, and the level is adjusted so that the carriage surface is horizontal.
[0018]
Hereinafter, the slope reinforcing method using the work carriage 1A will be specifically described in detail according to the work procedure.
[0019]
When the operation of the last train is over and the operation stop time zone of the train is entered, the work cart 1A having the above organization moves from the garage or the like to the slope reinforcement site. When the work carriage 1A arrives at the slope reinforcement site, first, the outriggers 15 ..., 16 ... of the transport carriage 13 on which the drilling machine 7 is mounted and the transport carriage 14 on which the aerial work facility 8 is mounted are overhanged to construct the construction machine. Maintain the reaction force and adjust the level of the carriage surface.
[0020]
When the work preparation of the drilling machine 7 and the aerial work facility 8 is completed, drilling from the drilling pump unit 11 is performed on the swivel provided at the rear end of the drilling rod of the drilling machine 7. After the water supply hose and the grout supply hose from the grout injection plant 12 are connected in a switchable manner, drilling is started.
[0021]
At the time of drilling, as shown in FIG. 4, the drilling of the stone wall portion 35 and the ground mountain portion 36 is consistently performed while the drilling water supplied from the drilling pump unit 11 is jetted from the tip of the drilling rod. In addition, when the drilling length is longer than the unit drilling rod, drilling is sequentially performed while adding the drilling rod.
[0022]
The drilling method can be single pipe drilling, but if the hole wall is expected to collapse or deform, use self-drilling lock bolts or double pipe drilling using a casing. Is done. Further, the drilling length can be confirmed by the number of drilling rods and the remaining scale.
[0023]
When the drilling to the predetermined depth is finished, the supply path to the drilling rod is switched from the drilling water to the grout material, and the drilling rod is pulled out while injecting the grout material sent from the plant 12 for grout injection. This grout material is poured until it overflows from the hole.
[0024]
When all of the above-mentioned surface drilling and grout filling have been completed for a predetermined section in the traveling direction of the carriage and from the lower stage to the upper stage of the slope, the outriggers 15, 16. When the groups 5, 13, and 14 are moved by a predetermined distance in the advancing direction indicated by the arrows and the drilling machine 7 is moved to the next construction section, the outriggers 15 and 16 of the transport carriages 13 and 14 are stretched, Stabilize the position of the construction machine and start drilling again.
[0025]
On the other hand, as shown in FIG. 6, the aerial work facility 8 sequentially locks the workers drilled into the deck 33 of the high work facility 8 while following the drilling, as shown in FIG. 6. The bolt 6 is inserted, the head is processed with a fixing plate and a nut (not shown), and the lock bolt 6 is installed.
[0026]
In this way, the drilling machine 7 located on the front side in the traveling direction performs the series of operations from drilling, grout filling, lock bolt insertion and head processing according to the progress / stop of the work carriage 1A. It is possible to efficiently perform the installation work of the lock bolt by sharing the work and performing the above-mentioned lock bolt insertion and head processing work while the high-altitude work facility 8 following in the traveling direction follows the work. become.
[0027]
After that, when the train operation start time zone approaches, or when all the work is completed, the equipment is cleared and the working cart 1A is pulled by the towing vehicle 3 and withdrawn from the construction site.
[0028]
[Second embodiment]
In the first embodiment, a set of mechanical equipment necessary for construction is mounted on the carriage, but the drilling pump unit 11 and the grout injection plant 12 are installed on the construction site. May be.
[0029]
Specifically, in this case, as shown in FIG. 7, the work cart 1B is formed by omitting the drilling pump unit 11 and the grout injection plant 12 and sequentially using the lock bolt 6 and the like from the front side in the traveling direction. Illuminate the material for surface reinforcement, the hole drilling machine 7 for drilling holes on the slope, the equipment 8 for working at heights for inserting the lock bolt 6 into the hole formed on the slope and processing the head, and the work site. The lighting equipment 9 and the generator 10 are arranged on the carriage in the order of arrangement.
[0030]
When the slope reinforcement work is performed by the work carriage 1B, as shown in FIG. 8, the hole drilling pump unit 11 and the grout injection plant 12 are not obstructed such as the upper position of the slope 34 at the site. The drilling water supply hose extended from the drilling pump unit 11 and the grout supply hose extended from the grout injection plant 12 are connected to the drilling machine 7 to provide the slope drilling and grout. Try to fill. The other work procedures are the same as those in the first embodiment, and the description thereof will be omitted.
[0031]
By the way, in the above-described embodiment, out of four work processes including drilling, grout injection, insertion of the lock bolt 6 and head processing, the hole drilling and grout injection is performed by the drilling machine 7 for subsequent high-altitude work. The lock bolt 6 is inserted by the equipment 8 and the head processing is carried out. For example, only the drilling machine 7 is used for drilling, and the grout injection pipe is inserted together with the lock bolt 6 in the subsequent high-altitude work equipment 8. The grout material may be filled and the work up to the head processing may be performed.
[0032]
In addition, a lock bolt setting device (device for inserting the lock bolt 6 into the drilling hole) is installed next to the guide cell 27 of the drilling machine 7, and drilling and grout injection are performed by the drilling machine 7. After that, the operation up to the insertion of the lock bolt 6 may be performed, and only the head processing may be performed in the subsequent high place work facility 8. When a self-drilling lock bolt is used, the bolt (reinforcing steel material) is inserted simultaneously with the drilling. In this case, it is possible to inject grout with the lock bolt 6 inserted, and therefore it is efficient to perform operations from drilling to grout injection by the drilling machine 7.
[0033]
As described above, in the slope reinforcement work, it is possible to arbitrarily distribute the work sharing between the drilling machine 7 and the aerial work facility 8 by selecting a construction method. A common feature is that drilling is performed and the aerial work facility 8 performs at least head processing.
[0034]
Furthermore, in the above example, the drilling machine and the aerial work facility are mounted on a carriage traveling on a railway line, but the traveling wheels of the drilling machine and the aerial work facility are used as railway wheels. It is good also as a self-propelled railcar which can run on a railway line.
[0035]
As mentioned above, the example of the case where the slope reinforcement of the existing masonry retaining wall is described has been described, but it is of course applicable to the newly established slope reinforcement work as well.
[0036]
【The invention's effect】
As described above in detail, according to the present invention, the construction machine equipment necessary for slope reinforcement is mounted on a carriage capable of traveling on a railway line, and this carriage travels on the railway line to the slope reinforcement site at the start of work. Since the work is started, no scaffolding is required and the work can be efficiently performed within the train stoppage time zone. At this time, the arrangement order of the drilling machine and the aerial work equipment is such that the drilling machine is relatively located on the front side in the advancing direction and the aerial work equipment is located on the rear side in the advancing direction. The drilling machine located on the front side in the advancing direction performs work including at least drilling while repeating the movement and stop of the above, and the high-altitude work facility located on the rear side in the advancing direction performs work by the drilling machine. The work including at least head processing is sequentially performed while following up.
[0037]
As a result, the slope reinforcement work can be efficiently performed, the work period can be shortened, labor and cost can be saved, and the safety of the work can be secured. Furthermore, it is possible to easily deal with a plurality of sites, and in particular, in the event of an emergency such as a disaster recovery, it is possible to quickly cope with preparation work such as a work scaffold.
[Brief description of the drawings]
FIG. 1 is a knitting diagram of a work cart 1A equipped with a set of slope reinforcing machinery in a first embodiment.
FIG. 2 is a side view of the hole drilling machine 7;
FIG. 3 is a side view of the aerial work facility 8.
FIG. 4 is a diagram (part 1) of a drilling procedure diagram by a drilling machine 7;
FIG. 5 is a diagram (part 2) of a drilling procedure by the drilling machine 7;
FIG. 6 is a diagram showing how to insert the lock bolt by the high-altitude work facility 8;
FIG. 7 is a knitting diagram of a work carriage 1B equipped with a slope reinforcing machine facility in a second embodiment.
FIG. 8 is a hole drilling diagram in the second embodiment.
[Explanation of symbols]
1A and 1B: work cart, 2 ... railway road, 3 ... towing vehicle, 4 ... connecting member, 5 ... cart, 6 ... lock bolt, 7 ... drilling machine, 8 ... equipment for working at high places, 9 ... lighting device, DESCRIPTION OF SYMBOLS 10 ... Generator, 11 ... Pump unit for drilling, 12 ... Plant for grout injection, 13.14 ... Carriage trolley, 15.16 ... Outrigger, 34 ... Slope, 35 ... Ishigaki part, 36 ... Natural ground part

Claims (5)

On a bogie that travels on a railway line, it includes at least a drilling machine and an aerial work facility under conditions that fall within the limits of a railway vehicle when traveling, and the drilling machine and the high place from the front side in the traveling direction Equipped with construction machinery equipment for slope reinforcement in the order of work equipment,
Of the work steps consisting of drilling, grout injection, reinforcing steel material insertion, and head treatment while repeating the movement and stopping of the carriage, the drilling machine performs at least work including drilling, and the subsequent high A slope reinforcement method, wherein slope reinforcement work is performed by a procedure for performing work including at least a head treatment by a facility for work at a place. On a bogie traveling on a railway line, it includes at least a drilling machine and an aerial work facility under conditions that fit within the limits of a railway vehicle during travel, and the drilling machine, the high place from the front side in the traveling direction Equipped with construction machinery equipment for slope reinforcement in the order of work equipment,
Among the work steps consisting of drilling, grout injection, reinforcing steel material insertion and head processing while repeating the movement and stopping of the carriage, at least drilling by the drilling machine, at most the drilling, grout injection And up to the insertion of the reinforcing steel, and at least the head treatment by the subsequent high-altitude work equipment, the slope reinforcement by the procedure of the grout injection, the insertion of the reinforcement steel and the head treatment at the maximum Slope reinforcement method characterized by performing construction. On a carriage traveling on a railway line, under the condition that it is within the limits of the railway vehicle when traveling, slope reinforcement materials, drilling machines, aerial work equipment, drilling pump units, and grout injection Equipped with a plant for
Of the work steps consisting of drilling, grout injection, reinforcement steel material insertion and head treatment, if the drilling machine has completed the work including at least drilling for a predetermined section, the carriage is moved in the traveling direction, While sequentially performing work including at least drilling for the next construction section adjacent by the drilling machine, and by using the aerial work equipment located on the rear side in the traveling direction, sequentially following the work by the drilling machine, A slope reinforcing method, wherein slope reinforcement work is performed by a procedure for performing work including at least a head treatment. On the carriage that runs on the railway line, the slope reinforcing material, the drilling machine, and the equipment for working at high places are mounted on the bogie that runs within the limits of the railway vehicle when running, and the pump unit for drilling And a grout injection plant at the slope reinforcement site,
Of the work steps consisting of drilling, grout injection, reinforcement steel material insertion and head treatment, if the drilling machine has completed the work including at least drilling for a predetermined section, the carriage is moved in the traveling direction, While sequentially performing work including at least drilling for the next construction section adjacent by the drilling machine, and by using the aerial work equipment located on the rear side in the traveling direction, sequentially following the work by the drilling machine, A slope reinforcing method, wherein slope reinforcement work is performed by a procedure for performing work including at least a head treatment. The method according to any one of claims 1 to 4, wherein the drilling machine and the aerial work facility are replaced with a self-propelled railcar that travels on a railway line, instead of being mounted on a carriage that travels on the railway line. Surface reinforcement method.

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