JP2013096106A - Construction method of underground structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method of an underground structure which does not require labor at an installation site and can fulfill a function within a short period after the structure is transported.SOLUTION: A construction method of an underground structure comprises: fabrication of the underground structure 1; transportation thereof to an installation site after the fabrication; and installation of the underground structure into a predetermined embedding space 20 while the underground structure is kept in a transport state. The construction method allows the fabricated underground structure to be transported in a bag-like housing member 11 and to be embedded together with the bag-like housing member. By using the bag-like housing member, the construction method can easily load the fabricated underground structure as well as unload the same at an installation site and enables the bag-like housing member to function as a portion of the underground structure. When the underground structure needs to be a rainwater storage structure, a water impervious bag-like housing member can be used. When the underground structure needs to be a rainwater infiltration structure, a water permeable bag-like housing member can be used.

Description

  The present invention relates to a method for burying a structure composed of a plurality of structural members underground.

  Conventionally, underground and underground have large and small structures such as large-scale facilities such as subway stations and underground parking lots, common grooves for electricity, telephone, water supply, gas, etc., underground tanks, rainwater storage and penetration structures, etc. Things are buried.

  Of the above-mentioned underground structures, those that have already been completed as structures before being embedded, such as structures consisting of a single concrete product, are transported from the factory or the like to the installation site and embedded. On the other hand, in the case of a structure composed of a plurality of structural members, the transport efficiency is taken into consideration, the plurality of structural members before assembly are transported to the installation site, and the structure is assembled using the plurality of structural members at the installation site. Or assemble and bury structures in parallel.

  However, in the construction method of an underground structure composed of a plurality of structural members described above, although the transportation efficiency is increased, it is necessary to assemble the structure at the installation site. There was a problem that it took a long time to exhibit the function of the structure. In particular, these problems were significant in disaster areas such as earthquakes.

  Therefore, the present invention has been made in view of the problems in the above-described conventional technology, and does not require manpower and assembly space required for assembly work at the installation site, and can exhibit functions in a short time after transportation. It aims at providing the construction method of an underground structure.

  In order to achieve the above object, the present application is a method for constructing an underground structure, assembling a structure composed of a plurality of structural members, transporting the structure to the installation site in an assembled state, It is embedded in the embedded space formed at the installation site while being conveyed.

  And according to this invention, since it assembles and conveys the structure embed | buried underground, a manpower and an assembly space are not required in an installation site. Moreover, since the underground structure is embedded in the pre-formed embedded space while being transported, the function of the structure can be exhibited in a short time after transport. Furthermore, it is possible to safely, easily and accurately perform a series of operations such as inventory management, loading and construction of structures.

  In the construction method of the underground structure, the structure can be housed and transported in a bag-shaped housing member in an assembled state, and the structure can be embedded in the buried space together with the bag-shaped housing member. By transporting using a bag-like storage member, it is possible to easily load the structure after assembly and unload it at the installation site using a lift or the like. Can function as a part of Moreover, an internal structure can be protected by the bag-shaped accommodation member. Furthermore, the bag-shaped housing member can be color-coded, and characters and designs can be directly displayed on the outer surface of the bag-shaped housing member, so that management, visibility, and design can be improved.

  In the construction method for an underground structure, the underground structure may be a rainwater storage structure, and the bag-shaped housing member may have water shielding properties. As a result, it is not necessary to cover the rainwater storage structure with a separate water-impervious member at the time of embedding, and the embedding work can be easily performed, and the function of the rainwater storage structure can be exhibited more quickly after transportation. Become.

  Moreover, the said underground structure can be used as a rainwater permeable structure, and what has water permeability to the said bag-shaped accommodation member can be used. Thereby, it is not necessary to cover the rainwater infiltration structure with a separate infiltration member at the time of embedding, and the embedding work can be easily performed, and the function of the rainwater infiltration structure can be exhibited more quickly after transportation. .

  As described above, according to the present invention, it is possible to provide a method for constructing an underground structure that does not require manpower and assembly space required for assembly work at the installation site and can exhibit functions in a short time after transportation. .

It is a flowchart which shows one Embodiment of the construction method of the underground structure which concerns on this invention, (a) is an assembly process of an underground structure, (b) is a loading process, (c) is a conveyance process, (d) Is an unloading process, (e) is an embedding process, and (f) is an embedding completion state. It is a figure which shows the rainwater storage structure to which the construction method of the underground structure which concerns on this invention is applied, Comprising: (a) is a front view, (b) is a top view, (c) is a bottom view. It is. It is a perspective view which shows the flexible container bag used as a bag-shaped accommodation member with the construction | assembly method of the underground structure based on this invention, Comprising: (a) shows before structure accommodation, (b) shows after structure accommodation, respectively. It is a schematic front view which shows the state with which the rainwater storage structure shown in FIG. 2 was embed | buried.

  Next, an embodiment for carrying out the present invention will be described in detail with reference to the drawings. In the following description, a case where a rainwater storage structure is constructed as an underground structure will be described as an example.

  FIG. 1 shows an embodiment of a construction method for an underground structure according to the present invention, and each process will be described below. First, the structure of a rainwater storage structure assembled in the assembly process of FIG. Will be described.

  As shown in FIG. 2, this rainwater storage structure (hereinafter simply referred to as “structure” as appropriate) 1 is roughly divided into a main body 2 formed by combining face plate members 3 to 5 and side plate members 9. , Which is provided at the upper part of the main body 2 and is composed of two ridges 7 (7A, 7B) that can be opened and closed. FIG. 2B shows a state in which the lid 7a of the bag 7 shown in FIG.

  The face plate members 3 to 5 and the side plate member 9 are formed of a plastic material or a composite material in which a plastic material and inorganic powder are mixed, and the overall size of the structure 1 is appropriately adjusted by increasing / decreasing the number of sheets used. Can be adjusted.

  The face plate member 3 is formed in a substantially square shape as a whole, and has at least two pairs of opposing sides. The face plate member 3 is provided with a large number of openings 3a, and two opposite sides have a convex portion 3b and a concave portion 3c at positions corresponding to each other.

  Similarly to the face plate member 3, the face plate member 4 is formed in a substantially square shape as a whole and has at least two pairs of opposing sides. The face plate member 4 is provided with a large number of openings 4a, and two opposite sides have a convex portion 4b and a concave portion 4c at positions corresponding to each other. In FIG. 2B, a circular opening 4d is formed in the center of the face plate member 4 located on the upper right. Further, a manual pump attachment port 4f is formed in the opening 4d at the center of the support member 4e. On the other hand, a bottom plate filter 4g is provided in the opening 4h of the face plate member 4 located in the lower left.

  Similarly to the face plate member 3 and the face plate member 4, the face plate member 5 is formed in a substantially square shape as a whole and has at least two pairs of opposing sides. The face plate member 5 is provided with a large number of openings 5a, and two opposite sides have a convex portion 5b and a concave portion 5c at positions corresponding to each other. In the central portion of the face plate member 5, an opening 5d is formed in a square shape having a corner portion.

  In the face plate member 3 and the face plate member 4, the convex portions 3b and the concave portions 4c, and the concave portions 3c and the convex portions 4b constitute a pigeon tail joint. Also, the adjacent face plate members 5 are joined by the convex portion 5b and the concave portion 5c constituting a pigeon tail joint.

  The side plate member 9 has a large number of openings 9a and an L shape including two surfaces that are orthogonal to each other via a corner angle 9b. The side plate member 9 may be formed in a flat plate shape instead of the L shape. The side plate member 9 is coupled to one surface of the face plate members 3 to 5 by uneven fitting. Adjacent upper and lower side plate members 9 are connected by an intermediate plate 10.

  On the upper part of the main body 2 assembled as described above, a flange 7 formed in accordance with the opening shape of the opening 4d and the opening 4h of the face plate member 4 is provided. A lid 7 a that can be opened and closed is attached to the ceiling of the ridge 7.

  In FIG. 2 (b), the ridge 7A located at the upper right functions as an inspection port for water intake. In addition, an inflow pipe (not shown) is connected to the flange 7B located in the lower left, and the flange 7B functions as an inspection port for connecting the inflow pipe. In FIGS. 1A to 1E, the flange 7 of the structure 1 is removed.

  After assembling the structure 1 in FIG. 1A, as shown in FIG. 1B, the assembled structure 1 is accommodated in a flexible container bag (bag-shaped accommodating member) 11, and the flexible container bag 11 The accommodated structure 1 is loaded onto the truck T by the lift L.

  As shown in FIG. 3 (a), the flexible container bag 11 includes a handle portion 11a and an accommodating portion 11b formed in accordance with the dimensions of the structure 1, and as shown in FIG. After the housing 1, the water-impervious sheet 12 covering the upper surface of the structure 1 excluding the ridges 7 is placed and loaded on the truck T as described above. In addition, it is also possible to comprise the water shielding sheet 12 as a part of the flexible container bag 11.

  Then, in FIG. 1C, the structure 1 accommodated in the flexible container bag 11 is transported to the installation site by a truck T.

  Next, as shown in FIG. 1 (d), the flexible container bag 11 containing the structure 1 is unloaded by the lift L at the installation site, and in the embedded space 20 formed in advance in FIG. 1 (e). Then, the flexible container bag 11 is buried. Here, the flexible container bag 11 has a water-impervious property as described above, and a water-impervious sheet 12 is disposed on the upper surface of the structure 1. The function of the structure 1 can be exhibited more rapidly.

  Next, as shown in FIG. 4, a manual pump attachment port is attached to the structure 1 in which the eaves 7 are attached to the upper part of the structure 1 and the lid 7 a of the eaves 7 is buried at the same level as the ground G. The manual pump 13 is attached to 4f. By operating the manual pump 13, the rainwater W stored inside the main body 2 can be discharged in the direction of the arrow. This completes the construction of the structure as shown in FIG. It should be noted that the saddle 7 and the manual pump 13 can be attached in the assembly process shown in FIG.

  As shown in FIG. 4, the structure 1 having the above-described structure is a main body from an inflow pipe (not shown) in which rainwater that has fallen on the ground is connected to the ridge 7 (the ridge 7 </ b> B located in the lower left in FIG. 2B). It flows into the inside of 2 and is stored. When a disaster such as an earthquake occurs, the lid 7a is opened and the manual pump 13 is operated, and the rainwater W pumped up can be used as domestic water.

  As described above, in this embodiment, since the rainwater storage structure is assembled before transportation, it is possible to reduce the manpower and assembly space required for assembly work at the installation site, and to exhibit the functions in a short time after transportation. it can.

  Further, since the assembled structure 1 is accommodated in the flexible container bag 11 and transported, it is suitable for lifting with a lift L or a crane using the suspension belt at the top of the flexible container bag 11 as a handle. The bag is convenient because it is lightweight, easy to fold, and strong. Furthermore, the internal structure 1 can be protected by the flexible container bag 11, and since the flexible container bag 11 is less deteriorated, the structural body 1 can be protected over a long period of time.

  Furthermore, even when the number of types of the structure 1 is increased, it is possible to easily grasp the difference between the types by color-coding the flexible container bag 11, and characters on the outer surface of the flexible container bag 11 with oil-based magic, spray, paint, etc. By drawing or design, it becomes possible to easily improve the design and manage the product by the product number.

  In addition, in this Embodiment, although the rainwater storage structure was demonstrated as an example as an underground structure, it is not restricted to this, A rainwater infiltration structure can also be constructed | assembled. In this case, a flexible container bag having water permeability is used. Furthermore, the present invention is not limited to the rainwater storage and penetration structure, but can be applied to all underground structures composed of a plurality of structural members, in particular, can be embedded while being stored in a bag-shaped storage member, and It is preferable to apply to an underground structure in which this bag-like accommodation member functions as a part of the structure.

DESCRIPTION OF SYMBOLS 1 Rainwater storage structure 2 Main body 3 Face plate member 3a Opening part 3b Convex part 3c Concave part 4 Face plate member 4a Opening part 4b Convex part 4c Concave part 4d Opening part 4e Support member 4f Manual pump attachment port 4g Bottom plate filter 4h Opening part 5 Face plate member 5a Opening portion 5b Protruding portion 5c Recessing portion 5d Opening portion 7 (7A, 7B) 桝 7a Lid 9 Side plate member 9a Opening portion 9b Corner angle 10 Intermediate plate 11 Flexible container 11a Handle portion 11b Housing portion 12 Water shielding sheet 13 Manual pump 20 Embedded space G Ground L Lift T Truck W Rainwater

Claims (4)

Assembling a structure consisting of multiple structural members,
Transport the structure in an assembled state to the installation site,
A method for constructing an underground structure, characterized in that the structure is embedded in an embedded space formed at the installation site while being conveyed.   2. The underground structure according to claim 1, wherein the structure is housed and transported in a bag-shaped housing member in an assembled state, and the structure is buried in the buried space together with the bag-shaped housing member. Construction method.   The method for constructing an underground structure according to claim 2, wherein the underground structure is a rainwater storage structure, and the bag-like accommodation member has a water shielding property.   The method for constructing an underground structure according to claim 2, wherein the underground structure is a rainwater infiltration structure, and the bag-like accommodation member has water permeability.

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