JP2015054572A - Platform structure and foundation work method of filling platform - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a platform structure and a foundation work method of filling platform capable of constructing foundation work of a station platform which has an existing filling specification having a protection wall, at low cost using the protection wall.SOLUTION: The platform structure is a platform structure of a filling specification station platform 10 and comprises: a protection wall 14 for supporting a filling part 12; and a concrete foundation part 15 buried in a frame area 21 formed by removing part of the filling part and using the protection wall. Because the concrete foundation part is provided using the protection wall, the concrete foundation part for supporting a structure 18 can be constructed at low cost.

Description

  The present invention relates to a home structure and a foundation construction method for a Tomori home, and in particular, a structure of a platform fence or the like for ensuring the safety of passengers getting on and off a train in an existing station platform of a Tomori specification originally provided with a retaining wall. The present invention relates to a home structure suitable for installation and a foundation construction method for a Tomori home.

  In recent years, platform fences (or platform door devices) are being used in station platforms to prevent passengers from falling on a track of a vehicle or coming into contact with a running vehicle. This platform fence is installed at the side edge along the track (track) of the station platform, thereby reducing the burden on the station staff. For this reason, the demand to install a home fence is increasing at each station platform. In recent years, home fences have been installed particularly in newly established platform platforms such as subways. Furthermore, with the increase of personal accidents at station platforms, there is a strong demand for installing home fences at existing station platforms.

  A conventional general home fence is composed of a fixed fence and a movable fence. The movable fence functions as a part of the home door that opens and closes in conjunction with the opening and closing of the train door. The fixed fence has a housing functioning as a protective fence, and has a door pocket structure for accommodating the movable fence, a drive mechanism for opening and closing the movable fence, a control device, and the like. For this reason, one platform fence itself is a structure having a considerable weight. Furthermore, the platform fence is usually installed in a pair for each of a large number of entrance / exit doors of a train entering the track of the station platform. Therefore, for example, when the train has a 10-car train and each vehicle has three entrance doors, a total of 60 platform fences are installed in a line along the side edge of the station platform on the track side. It will be. For this reason, by installing the platform fence, the weight applied to the edge of the station platform on the track side becomes very large. Therefore, when installing a platform fence for an existing station platform, the structure for supporting the structure to withstand the installation of the platform fence on the side edge of the station platform on the track side. Foundation work is required.

  As conventional foundation construction methods and foundation structures for installing a platform fence on a station platform, there are techniques disclosed in Patent Documents 1 and 2.

  In the platform movable fence basic structure disclosed in Patent Document 1, a lower plate is provided on the lower surface side of the platform, a seat mounting bolt is attached to a mounting seat, the seat mounting bolt penetrates the lower plate, The seat mounting bolt is fastened with a nut from the lower side of the lower plate. As a result, the installation seat and the lower plate are attached across the platform, and the hollow pipe is held by the installation seat and the lower plate, so that the field work can be simplified and the construction time at the site can be shortened.

  In the basic structure of the platform movable fence disclosed in Patent Document 2, a through hole extending in the vertical direction is provided at an end edge of the platform near the track, and a mounting seat is disposed above the platform. In the platform movable fence basic structure with a hollow pipe inside, a lower plate is provided on the lower surface side of the platform, a seat mounting bolt is attached to the mounting seat, and the seat mounting bolt penetrates the lower plate and the lower plate The seat mounting bolt is fastened with a nut from the lower side of the lower plate, so that the mounting seat and the lower plate are mounted across the platform, and the hollow pipe is held by the mounting seat and the lower plate. Yes. Thereby, the local enforcement time can be shortened and the production cost can be reduced.

Japanese Patent No. 4317769 JP 2005-219645 A

  There are many so-called Tomori homes for existing station platforms. The Tomori platform is a platform where the station platform is built with the Tomori specification, and when a heavy structure is installed on the side edge of the track side, the foundation should be able to withstand the weight of the structure. It is necessary to perform construction. The construction of such foundation work has a problem that the cost becomes high as a whole.

On the other hand, in the Tomori home, a retaining wall is usually installed on the side of the track. The retaining wall is made of concrete and has a function of supporting a piled-up state. Here, when installing structures, such as a platform fence, along the side edge part by the side of the track of a station platform, there is room to consider whether the said retaining wall can be used effectively as a foundation structure. If the retaining wall itself can be used effectively, it can be actively used as a foundation structure to simplify the foundation work and reduce the construction cost. If the retaining wall itself cannot be used effectively, the retaining wall is used as a base. It is desirable to construct a foundation work that further increases the strength while using it in an effective manner to realize a foundation structure with the lowest possible cost and to prevent the foundation work from becoming expensive as a whole.
The conventional techniques described in Patent Documents 1 and 2 described above are not techniques related to a home structure based on a Tomori home.

  In view of the above problems, an object of the present invention is to provide a home structure that can be constructed at a low cost by using the retaining wall for the foundation work of the existing earth-filled station platform equipped with the retaining wall. The purpose is to provide a foundation construction method for the Tomori home.

  In order to achieve the above object, the home structure and the foundation work method for the earth-building home according to the present invention are configured as follows.

  The first home structure (corresponding to claim 1) is a platform structure of a Tomori-spec station platform, which uses a retaining wall that supports the embankment part and removes a part of the embankment part. It is characterized by comprising a concrete foundation part buried in a frame region formed in this way.

  In the above-mentioned home structure, since the concrete foundation is provided by using the retaining wall that originally existed to support the earth-filled part in the station building of the earth-filled specification, the concrete foundation part that supports the structure is inexpensive. Can be built at cost.

  The second home structure (corresponding to claim 2) is characterized in that, in the above configuration, the concrete base portion is fixed to the retaining wall with an anchor bolt when the retaining wall can be used as the foundation supporting portion. And According to this configuration, when the retaining wall can be used as a support structure, the concrete foundation is fixed to the retaining wall and used as a support structure for the concrete foundation.

  The third home structure (corresponding to claim 3) is preferably provided with a solid foundation below the concrete foundation, when the retaining wall cannot be used as a foundation support, Is fixed to a solid foundation with anchor bolts. According to this configuration, when the retaining wall cannot be used as a support structure, a solid foundation is provided separately, and this solid foundation is used as a structure part for fixing the concrete foundation part.

  The foundation construction method for the first Tomori platform (corresponding to claim 4) is a station platform with a retaining wall that has a retaining wall. And pour concrete into the frame area to form a foundation for installing the structure on the station platform along the platform edge on the track side.

  According to the foundation construction method for the above-mentioned clay house, the frame area is formed by using the retaining wall that originally exists to support the clay section, and concrete is poured into the frame area to form the concrete foundation part. Therefore, the construction of the concrete foundation for installing the structure can be performed at a low cost.

  In the foundation work method of the second clay house (corresponding to claim 5), preferably, when the retaining wall can be used as a foundation support part, A frame region is formed around the side surface of the location, anchor bolts are attached to the inner side surface of the retaining wall, concrete is poured into the frame region, and a foundation is formed.

  The foundation construction method for the third Tomori home (corresponding to claim 6) is preferably the above foundation construction method, preferably, when the retaining wall cannot be used as the foundation support section, A frame region is formed between the side of the part and a solid foundation and a retaining wall, anchor bolts are attached to the solid foundation, concrete is poured into the frame region, and a foundation portion is formed.

  The fourth foundation work foundation method (corresponding to claim 7) is preferably the above foundation construction method, preferably provided with a reinforcing part for reinforcing the side part of the part of the earthing and using the anchor bolt as the reinforcing part. It is attached.

  The fifth foundation work foundation method (corresponding to claim 8) is preferably the above-mentioned foundation work method, wherein the structure is a home fence provided with a movable door.

According to the home structure according to the present invention, a concrete foundation is provided by using a retaining wall that originally exists to support the embankment in a station platform of the earth-filling specification, and when the retaining wall can be further utilized, the retaining wall Is used as a support structure, and when a retaining wall cannot be used, a solid foundation is separately provided and used as a support structure. Therefore, it is possible to construct a concrete foundation that supports a structure such as a home fence at a low cost. The effect of being able to be demonstrated.
Moreover, according to the foundation construction method for the earth-story home according to the present invention, a frame region is formed by using a retaining wall that originally exists to support the earth-stone part, and concrete is poured into the frame region. When the retaining wall can be used, the retaining wall is used as a support structure, and when the retaining wall cannot be used, a separate foundation is provided for use as the support structure. It is possible to construct the concrete foundation for the construction at low cost.

It is a longitudinal cross-sectional view which shows the home structure built with the foundation construction method of the earth-story home which concerns on the 1st Embodiment of this invention. It is process drawing which shows the construction procedure of the Tomori home foundation construction method which concerns on 1st Embodiment. It is a longitudinal cross-sectional view which shows the home structure built with the foundation construction method of the earth-story home concerning the 2nd Embodiment of this invention. It is process drawing which shows the construction procedure of the Tomori home foundation construction method which concerns on 2nd Embodiment.

  DESCRIPTION OF EMBODIMENTS Preferred embodiments (examples) of the present invention will be described below with reference to the accompanying drawings.

  With reference to FIG. 1 and FIG. 2, a foundation construction method for a home structure and a built-up home according to a first embodiment of the present invention will be described.

  In FIG. 1, reference numeral 10 denotes a part of a station platform, and a part (edge part) of the station platform along the track region 11 where the track (track) is laid is shown in a vertical section. The station platform 10 is made of earthen specifications and includes an earthen part 12. A home floor portion 13 is formed on the banking portion 12 by, for example, concrete. A retaining wall 14 is provided along an edge portion of the station platform 10 along the track region 11 along the platform edge. The retaining wall 14 is a wall made for retaining the earth with respect to the embankment portion 12 and made of concrete. In the conventional station platform 10, it is usually made of earthen specifications and has a retaining wall. In the station platform of the earth-filled specification, the retaining wall 14 is usually installed so as to directly support and hold the earth-filled portion 10. In the station platform 10 which concerns on this embodiment, the embankment part of the peripheral area | region which contacted the retaining wall 14 in the embankment part 12 is partially removed, a frame area | region (space) is formed, and the concrete foundation part 15 is formed there. Made. The concrete base portion 15 is connected to, for example, the inner side surface of the retaining wall 14 with a plurality of anchor bolts 16 and is provided so as to be supported by the retaining wall 14.

  The home structure according to the first embodiment is based on the premise that the existing retaining wall 14 is used in constructing the home structure with the station platform 10 of the earthen specifications, and the concrete foundation portion 15 is used as the retaining wall 14. It is an example when it can utilize as a structure part to support. For this reason, the concrete base portion 15 that has been additionally formed is fixed to the retaining wall 14 by the anchor bolt 16.

  According to said structure, since it is a structure which can utilize the retaining wall 14 as a structure part which supports the concrete foundation part 15, in order to build the concrete foundation part 15, the location which digs up the embankment part 12 of the station platform 10 is There is an advantage that only the inner peripheral portion of the wall 14 is required.

  A structure 18 is installed on the concrete foundation 15 made as described above using a plurality of anchor bolts 17. This structure 18 is, for example, a home fence installed at an edge portion along the track region 11 of the station platform 10.

With reference to FIG. 2, the construction procedure of the foundation construction method of the Tomori home which concerns on 1st Embodiment is demonstrated.
In the foundation construction of this Tomori home, the existing retaining wall 14 is utilized as a structural part that supports the concrete foundation part 15.
Therefore, in the first step (A), the inner peripheral region in contact with the retaining wall 14 is dug in the embankment portion 12 to form a frame region 21 as a space. The frame region 21 is formed along the edge of the station platform 10. The depth and width of the frame region 21 can be appropriately set according to the purpose in consideration of the weight of the structure to be installed. After the frame region 21 is formed, for example, three anchor bolts 16 are driven in and attached to the surface 14a of the retaining wall 14 facing the frame region 21 in the height direction.
In the next step (B), concrete is poured into the formed frame region 21. The height of the upper surface of the poured concrete is substantially the same as the upper surface of the home floor 13. When the poured concrete is solidified, the concrete foundation 15 is made. When the concrete is hardened, the concrete foundation 15 is joined to the retaining wall 14 with anchor bolts 16. Thus, the concrete foundation portion 15 is supported with sufficient strength by the retaining wall 14 via the anchor bolt 16.
In the last step (C), for example, two anchor bolts 17 are driven in and attached to the upper surface of the concrete foundation portion 15, and then the structure 18 is installed via these anchor bolts 17.

  According to the home structure and the foundation construction method according to the first embodiment, the retaining wall 14 can be used as a structure part for supporting the concrete foundation part 15 for installing the structure 18 such as a fixed fence, and concrete. In order to build the foundation part 15, the existing retaining wall 14 can be used, and the foundation work is carried out at a low cost by using only the peripheral part inside the retaining wall 14 as the part where the embankment part 12 of the station platform 10 is dug back. The effect that it can be demonstrated.

  Next, with reference to FIG. 3 and FIG. 4, the foundation construction method of the home structure and the earth-story home concerning 2nd Embodiment of this invention is demonstrated. 3 and 4, elements that are substantially the same as those described in the first embodiment are given the same reference numerals, and redundant descriptions are omitted.

  In FIG. 3, 10 is a part of the station platform as described above, and indicates a part (edge part) of the station platform along the track region 11. The station platform 10 is of a morimori specification and includes a morimori section 12. A platform floor portion 13 is formed on the embankment portion 12, and a retaining wall 14 is provided at an edge portion along the track region 11 of the station platform 10. The retaining wall 14 is made of concrete. In the station platform 10 which concerns on 2nd Embodiment, the earth filling part of the peripheral area | region which contacted the retaining wall 14 in the earth building part 12 and the part corresponding to the lower part of the retaining wall 14 are partially, respectively. A relatively large frame region (space) is formed by removing the solid foundation 31 and the concrete foundation 32. The concrete foundation 32 has a relatively large volume compared to the concrete foundation 15 of the first embodiment, and is connected to the upper surface of the solid foundation 31 by a plurality of anchor bolts 33. It is provided to be supported. The material of the solid foundation 31 is also concrete.

  The home structure according to the second embodiment is based on the premise that the existing retaining wall 14 is used in constructing the home structure with the station platform 10 of the earthen specifications, and the concrete base portion 32 is used as the retaining wall 14. It is an example when it cannot utilize as a structure part to support. For this reason, a solid foundation 31 is separately constructed, and a concrete foundation portion 32 that is additionally constructed is fixed to the solid foundation 31 with anchor bolts 33. The retaining wall 14 only serves to support a portion of the concrete foundation portion 32 on the track region 11 side.

  According to the above structure, since the retaining wall 14 cannot be used as a structure portion for supporting the concrete foundation portion 32, it is necessary to build the solid foundation 31 in order to build the concrete foundation portion 32, and the soil of the station platform 10 The portion where the embankment portion 12 is dug becomes a peripheral portion inside the retaining wall 14 and a lower region of the embankment portion 12. Compared to the foundation work according to the first embodiment, it is necessary to dug up the embankment portion 12 in a relatively wide range.

  The structure 18 is installed on the concrete foundation portion 32 constructed as described above using a plurality of anchor bolts 17. As described above, the structure 18 is, for example, a platform fence installed at an edge along the track region 11 of the station platform 10.

With reference to FIG. 4, the construction procedure of the foundation construction method of the Tomori home which concerns on 2nd Embodiment is demonstrated.
In this foundation work of the Tomori home, the retaining wall 14 that originally exists is used, but it cannot be used as a support structure part of the concrete foundation part 32, and a solid foundation 31 is made instead.
Therefore, in the first step (A), in the embankment portion 12, the inner peripheral area in contact with the retaining wall 14 and the lower portion of the embankment portion 12 are dug up, and a solid foundation 31 is formed in the lower portion of the embankment portion 12, thus A frame region 41 is formed as a space between the side surface of the portion 12 and the solid foundation 31 and the retaining wall 14. The frame area 41 is formed along the edge of the station platform 10. The depth and width of the frame region 41 can be appropriately set according to the purpose in consideration of the weight of the structure to be installed. However, compared with the frame region 21 in the case of the first embodiment, the frame region 41 is formed to have a relatively large volume.
In the next step (B), after forming the frame region 41 as described above, for example, two anchor bolts 33 are driven in and mounted on the surface of the solid foundation 31 facing the frame region 41 in the lateral direction.
In the next step (C), concrete is poured into the formed frame region 41. The height of the upper surface of the poured concrete is substantially the same as the upper surface of the home floor 13. When the poured concrete is solidified, the concrete foundation portion 32 is formed. When the concrete is solidified, the concrete foundation portion 32 is joined to the solid foundation 31 with anchor bolts 33. Thus, the concrete foundation portion 32 is supported with sufficient strength by the solid foundation 31 via the anchor bolts 33, and in the lateral direction, one surface (inner surface) is in contact with the side surface of the embankment portion 12, and The other surface (outer surface) is supported by the retaining wall 14.
In the final step (D), for example, two anchor bolts 17 are driven in and attached to the upper surface of the concrete foundation 32, and then the structure 18 is installed via these anchor bolts 17.

  According to the home structure and the foundation construction method according to the second embodiment, although the retaining wall 14 cannot be used as a structure portion for supporting the concrete foundation portion 32 for installing the structure 18 such as a fixed fence, In order to build the concrete foundation part 32, while using the retaining wall 14 that originally existed, a solid foundation 31 as a support part was further constructed, and the place where the embankment part 12 of the station platform 10 was dug up was the inner peripheral part of the retaining wall 14 and the solid part. Since the retaining wall 14 is basically used only as the foundation formation location, the effect that the foundation construction can be implemented at low cost as a whole is exhibited.

  The home structure and foundation work method of the second embodiment can be modified as follows. That is, in the above-described embodiment, the solid foundation 31 is used as the structure portion that supports the concrete foundation portion 32. However, the solid foundation portion 31 is formed and the reinforcing portion is provided on the side surface portion of the embankment portion 12 facing the frame region 41. It is also possible to support the concrete foundation portion 32 by providing a connecting portion (an anchor bolt or the like) between the reinforcing portion and the concrete foundation portion 32.

  The configurations, shapes, sizes, and arrangement relationships described in the above embodiments are merely schematically shown to the extent that the present invention can be understood and implemented, and the numerical values and the compositions (materials) of the respective components Is just an example. Therefore, the present invention is not limited to the described embodiments, and can be variously modified without departing from the scope of the technical idea shown in the claims.

  The foundation construction method for the home structure and the Tomori home according to the present invention is the installation of a structure such as a home fence to ensure the safety of passengers getting on and off the train at an existing station platform of Tomori specifications originally provided with retaining walls. By using the retaining wall, it is possible to construct foundation works for Tomori-style station platforms at low cost.

DESCRIPTION OF SYMBOLS 10 Station platform 11 Track area 12 Embankment part 13 Home floor part 14 Retaining wall 15 Concrete foundation part 16, 17 Anchor bolt 18 Structure 21 Frame area 31 Solid foundation 32 Concrete foundation part 33 Anchor bolt 41 Frame area

Claims (8)

  It is a platform structure of a station building with earthen specifications, and a concrete wall buried in a frame area formed by using the retaining wall and removing a part of the earthing part while supporting the earthing part Home structure characterized by comprising a section.   2. The home structure according to claim 1, wherein when the retaining wall can be utilized as a foundation supporting portion, the concrete foundation is fixed to the retaining wall with an anchor bolt.   2. When the retaining wall cannot be used as a foundation support part, a solid foundation is provided below the concrete foundation part, and the concrete foundation part is fixed to the solid foundation with an anchor bolt. Home structure.   A station platform with earth retaining specifications having a retaining wall, using the retaining wall, forming a frame area at the position of the earth building, installing anchor bolts, pouring concrete into the frame area, A foundation construction method for a Tomori home characterized in that a foundation for installing a structure is formed on the station platform along an edge.   When the retaining wall can be used as a base support portion, the frame region is formed around the side surface of the earthing portion inside the retaining wall, the anchor bolt is attached to the inner side surface of the retaining wall, 5. The foundation construction method for a clay-story home according to claim 4, wherein concrete is poured into a frame region to form the foundation.   When the retaining wall cannot be used as a foundation support portion, a solid foundation is constructed, the frame region is formed between the side surface of the embankment, the solid foundation, and the retaining wall, and anchored to the solid foundation. The foundation work method for the earth-building home according to claim 4, wherein bolts are attached, concrete is poured into the frame region, and the foundation portion is formed.   The foundation structure method of the earth-clad home according to claim 6, wherein a reinforcement part for reinforcing a side part of the place of the earthing is provided, and the anchor bolt is attached to the reinforcement part.   8. The foundation work method for a clay house platform according to any one of claims 4 to 7, wherein the structure is a platform fence provided with a movable door.

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