JP5296744B2 - Communication path of waste disposal site and construction method - Google Patents

Description

  The present invention relates to a method for constructing a communication passage used as a passage for a waste transport vehicle, a landfill-related heavy machine, a person, and the like in a reinforced concrete excavated waste disposal site.

  As shown in FIG. 11, the digging-type reinforced concrete waste disposal site constructs an outer peripheral side wall 1 made of reinforced concrete walls and fills the inside with waste to be disposed of.

  A communication passage 2 is constructed inside the outer peripheral side wall 1 as a passage for waste transporting vehicles, heavy machinery and people related to landfill work, and the communication passage 2 is a concrete passage, and the outer peripheral side wall A concrete wall 3 for holding a passage is constructed inside 1, and the space between both walls 1 and 3 is formed by reclaiming with filled sand or crushed stone 4.

  The connecting passage 2 is formed as a ramp, and by gradually changing the height of the inner concrete wall 3, the height of the surface of the connecting passage 2 (slope) is set to the ground surface height (GL ± 0 m). ) To the disposal site bottom surface 5 (in the case of illustration, (GL-15.00 m)), a communication path between the ground and the bottom surface 5 is formed.

  The waste discarded in the recess of the outer peripheral side wall 1 in this way is transported into the recess by a vehicle that goes in and out through the running surface of the communication passage 2 from the ground to the inside of the recess.

  The waste transported into the recess and the earth and sand covering the waste are spread and compacted by a heavy machine such as a bulldozer or a roller entering and exiting the recess from the ground. In this way, the reclamation work of the recess by the waste proceeds.

Further, the following patent document discloses a waste landfill facility in which waste is disposed in a recess formed in the ground, and the interior of the recess is filled with waste, and a waste landfill method using this facility As for, an inclined road is shown formed by a plurality of light blocks removably stacked on the inner bottom surface of the recess.
JP 2009-279504 A

  The inclined road of Patent Document 1 is provided with a partition wall that protrudes upward from the inner bottom surface of the recess so as to extend substantially parallel to the inner surface of the recess, and the inner surface of the recess and the partition wall. Formed between.

  In the method of constructing a double reinforced concrete wall on the outer periphery of the disposal site of the type shown in FIG. 11 and constructing a concrete passage (slope) between both walls, a portion that cannot be buried below the passage (slope) surface occurs. This is a capacity loss.

  The same applies to Patent Document 1, and an inclined road exists as a capacity loss.

  The object of the present invention is to eliminate the inconvenience of the conventional example, and when constructing a disposal site, the space size in the disposal site can be reduced as compared with the conventional type, and when constructing a disposal site of the same capacity, excavation and The amount of construction material such as the amount of earth and sand handled for backfilling, concrete and reinforcing bars can be reduced compared to the conventional type, and the waste disposal site can be obtained with a waste disposal site where the land area is also reduced. It is to provide the construction method.

  In order to achieve the above object, the present invention provides a waste disposal site with a concrete bracket having a locking recess formed on the upper surface in a digging-type waste disposal site with an outer peripheral side wall made of reinforced concrete. The gist of the present invention is that a hanger-type passage block having a steel framework is detachably installed on the concrete bracket by locking the key portion at the end.

  As a method of constructing the communication path of the waste disposal site, (A) a step of providing brackets at appropriate intervals on the side surface on the landfill space side of the outer peripheral side wall of the digging-type waste disposal site by the outer peripheral side wall made of reinforced concrete; (B) In order to approach the landfill part of the disposal site, a passage block of a hanger type steel framework is fitted into the bracket, and a continuous passage is constructed by lining a cover plate between the passage blocks provided on the outer peripheral side wall. The gist consists of a step of forming, and (C) a step of removing a passage that hinders landfilling in accordance with an increase in the height of landfill in the disposal site.

  According to the present invention, after constructing the housing of the disposal site, a continuous connecting passage (slope) is formed by installing a separately manufactured steel framework passage block on the bracket by a lifting machine. The vehicle carrying the vehicle runs on this ramp and transports waste from the surface to the landfill site. The waste can also be disposed of in the landfill under the connecting passage (slope).

  In addition, in accordance with the progress of waste disposal work (increase in landfill surface), the passage blocks that obstruct landfill will be removed one after another, and the waste will also be disposed of in the space where there was a communication passage by this passage block. Can do.

  As described above, the communication path of the waste disposal site according to the present invention and the construction method thereof are installed on the outer peripheral side wall with a detachable communication path, which is a waste transport vehicle, a landfill work-related heavy machine, a person, etc. When constructing a disposal site, the size of the space inside the disposal site can be reduced compared to the conventional type. When constructing a disposal site of the same capacity, The amount of construction materials such as concrete and reinforcing bars can be reduced compared to the conventional type, and a waste disposal site that can reduce the land area can be obtained.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Fig. 1 is a longitudinal front view showing the first step of the construction method of the communication path of the waste disposal site, Fig. 2 is a longitudinal front view showing the second step of the above, and 1 in the figure is digging-type disposal by the reinforced concrete outer peripheral side wall On the outer peripheral side wall of the waste disposal site, the inside becomes a part to be reclaimed with waste to be disposed of.

  First, the communication path of the waste disposal site according to the present invention will be described. As shown in FIG. 2, it is attached to and detached from the concrete bracket 6 on the outer peripheral side wall 1 using a lifting machine from the outer side of the outer peripheral side wall 1. The steel frame is a hanger-type passage block 8 and a ramp 15 composed of a lining plate 13 laid thereon. (Refer FIG. 8) The fall prevention fence 14 is attached to the lining board 13.

  In the case where the waste disposal site is rectangular as shown in FIG. 7, the ramp 15 may be linear along one side of the outer peripheral side wall 1, but the waste disposal site is cylindrical as shown in FIG. In the case of this storage tank, it turns along the outer peripheral side wall 1 as a spiral.

  Next, the construction method of the communication path of the waste disposal site of the present invention will be described.

  As shown in FIG. 1, concrete brackets 6 are provided at appropriate intervals at predetermined positions on the side surface of the outer peripheral side wall 1 on the landfill space side.

  The concrete bracket 6 is integrally formed so as to project from the outer peripheral side wall 1 as shown in FIGS. 5 and 6, and is provided with a locking recess 7 on the horizontal upper surface.

  In the figure, reference numeral 8 denotes a hanger-type passage block of a steel framework using shape steel, which has a truss structure in which struts 8c are passed between an upper beam member 8a and a lower beam member 8b, and a diagonal member 8d is disposed between the columns 8c. Is.

  The passage block 8 bends the end portion of the upper beam member 8a perpendicularly downward to form a key portion 9, and the end of the lower beam member 8b protrudes further laterally than the key portion 9 so that the tip is an outer peripheral side wall. It forms as the contact support part 10 contact | abutted to 1 side surface.

  The passage block 8 is installed on the concrete bracket 6 by engaging the key portion 9 at the end. The passage block 8 is supported in a cantilever state from the outer peripheral side wall 1 with the key portion 9 as a fulcrum.

  As shown in FIG. 3, the passage blocks 8 arranged in parallel at appropriate intervals are connected by a horizontal link 11, and a girder 12 is passed over the parallel passage blocks 8 and supported by the parallel girder 12 between the passage blocks 8. The lining plate 13 is laid detachably.

  In this way, after constructing the outer peripheral side wall 1 which is a housing of the disposal site, a separately manufactured passage block 8 is installed on the concrete bracket 6 by a lifting machine, so that a continuous slope 15 by the passage block 8 and the lining plate 13 is provided. Is formed as a communication passage.

  In the figure, 14 is a fall prevention fence raised from the lining plate 13.

  A vehicle loaded with waste travels on this ramp 15 and carries the waste from the surface to the landfill site in the field. Waste can also be disposed of under the ramp 15.

  In accordance with the progress of the waste disposal operation (increase of the landfill board surface), the passage blocks 8 that have hindered landfill are sequentially removed, and the waste is also disposed in the space where the passage blocks 8 were located.

  The removed members of the passage block 8 and the lining plate 13 are collected as steel materials and disposed or reused as valuable materials.

It is a vertical front view which shows the 1st process of the construction method of the communication path of the waste disposal site of this invention. It is a vertical front view which shows the 2nd process of the construction method of the communication path of the waste disposal site of this invention. It is a top view which shows one Embodiment of the communication path of the waste disposal site of this invention, and its construction method. It is an enlarged vertical front view which shows one Embodiment of the communication path of the waste disposal site of this invention. It is a side view of a concrete bracket. It is a top view of a concrete bracket. It is a top view in case a waste disposal site is rectangular. It is the sectional view on the AA line of FIG. It is a top view in case a waste disposal site is circular. It is a vertical side view in case a waste disposal site is circular. It is a vertical front view which shows a prior art example.

DESCRIPTION OF SYMBOLS 1 ... Outer peripheral side wall 2 ... Communication channel | path 3 ... Concrete wall 4 ... Crushed stone 5 ... Bottom 6 ... Concrete bracket 7 ... Locking recessed part 8 ... Passage block 8a ... Upper beam material 8b ... Lower beam material 8c ... Column 8d ... Diagonal material 9 ... Key part 10 ... Abutment support part 11 ... Horizontal connection 12 ... Girder material 13 ... Cover plate 14 ... Fall prevention fence 15 ... Slope

Claims (2)

  In a digging-type waste disposal site with a reinforced concrete outer peripheral side wall, a steel bracket is formed by forming a concrete bracket with a locking recess on the upper surface on the outer peripheral side wall, and locking the key part at the end to the concrete bracket. A communication path of a waste disposal site, wherein a hanger-type passage block is detachably installed and a lining plate is detachably installed between the passage blocks. (A) a step of providing brackets at appropriate intervals on the side surface on the landfill space side of the outer peripheral side wall of the digging-type waste disposal site by the outer peripheral side wall made of reinforced concrete;
(B) In order to approach the landfill part of the disposal site, a passage block of a hanger type steel framework is fitted into the bracket, and a continuous passage is constructed by lining a cover plate between the passage blocks provided on the outer peripheral side wall. Forming, and
(C) A method for constructing a communication path for a waste disposal site, and a method for constructing the same, including a step of removing a passage that hinders landfilling in response to an increase in the height of landfill in the disposal site.

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