JP6547184B2 - Sidewalk-type disaster prevention shelter - Google Patents

Sidewalk-type disaster prevention shelter Download PDF

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JP6547184B2
JP6547184B2 JP2015061625A JP2015061625A JP6547184B2 JP 6547184 B2 JP6547184 B2 JP 6547184B2 JP 2015061625 A JP2015061625 A JP 2015061625A JP 2015061625 A JP2015061625 A JP 2015061625A JP 6547184 B2 JP6547184 B2 JP 6547184B2
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frame
sidewalk
cushioning
building
frames
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JP2016164361A (en
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藤原 充弘
充弘 藤原
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有限会社フジカ
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  The present invention relates to a sidewalk type disaster prevention shelter which is installed on a sidewalk in front of a structure such as a building and protects a pedestrian from broken pieces such as glass and block pieces falling from the structure due to an earthquake.
  In buildings such as buildings lined up in urban areas, broken pieces such as glass and block pieces may fall due to the occurrence of an earthquake, and these broken pieces may injure people walking on the lower sidewalk. One example of such a disaster prevention shelter that effectively exerts a protective function is disclosed in Patent Document 1 below.
  Patent 5352789
  In the case of the one disclosed in Patent Document 1, for example, the embodiment shown in FIG. 1, FIG. 2 or FIG. 3, FIG. It is configured to perform the protection function from above by combining with the steps, but in this case the cushioning material is the combination of the mesh core material and the cushioning material, so the cushioning function is exhibited as expected However, the cushioning material becomes a light shielding material and the inside of the shelter which is on the sidewalk is dark and not preferable from the environment.
  The present invention is intended to solve such problems, and it is of course possible to exert a buffer function, and in the normal state, makes the inside of the shelter brighter and environmentally preferable through sunlight from above. The purpose is to provide a sidewalk-type disaster prevention shelter that can
In order to achieve the above object according to the present invention, the invention according to claim 1 is arranged at a plurality of intervals on each of the building side and the roadway side on the sidewalk provided between the structure and the roadway Struts, an upper frame connecting the struts at their upper ends, a light-proof and rain-proof protective roof that is folded or corrugated in the frame of the upper frame and protected A mesh upper cushioning material provided separately on the upper side of the roof, and a meshlike cylindrical intermediate cushioning material disposed below each of the upper cushioning materials along the grooves of the protective roof Have.
As described above, according to the present invention, a plurality of pillars arranged at intervals between the building side and the roadway on the sidewalk provided between the building and the roadway and the pillars are connected at their upper ends An upper frame, a half-cut or corrugated, light-transmissive, rain-proof protection roof that is stretched within the frame of the upper frame, and a mesh that is provided above the protection roof Since the upper cushioning material and the mesh and cylindrical intermediate cushioning material disposed so as to be below the upper cushioning material along the grooves of the protective roof , the cushioning function can be exhibited. As a matter of course, it is possible to provide a sidewalk-type disaster prevention shelter which can make the inside of the shelter bright and environmentally preferable through sunlight from above in the normal time.
  The top view of the disaster prevention shelter installation which shows one Embodiment of this invention.   1. AA sectional view taken on the line of FIG.   BB sectional drawing of FIG.   The C section enlarged view of FIG.   FIG. 7 is a cross-sectional view showing another embodiment.   The cross-sectional view of the disaster prevention shelter which shows other embodiment.   The D section enlarged view of FIG.   FIG. 10 is a plan view of FIG. 9 showing another embodiment.   The EE sectional view arrow directional view of FIG.   The FF sectional view taken on the line of FIG.   The top view of FIG. 12 which shows other embodiment.   The GG sectional view taken on the line arrow of FIG.   The HH sectional view taken on the line of FIG.   FIG. 7 is a cross-sectional view showing another embodiment.   FIG. 7 is a cross-sectional view showing another embodiment.   FIG. 7 is a cross-sectional view showing another embodiment.
1 to 4 show an embodiment of a sidewalk type disaster prevention shelter.
In this embodiment, as shown in FIG. 3, an earthquake occurs under the situation where the sidewalk 1 is provided along the side of the building A with a certain height such as a building, and the building A side is generated. In the case of broken glass, peeling broken tiles, bricks and the like falling and attacking a person who walks on the sidewalk 1, it is about a building falling object shelter as a protective measure.
From a plurality of points closer to the road 2 on the sidewalk 1, a column 3 made of square pipe made of steel, aluminum alloy, stainless steel or the like is erected and fixed. A back frame 4 made of a square pipe is passed by a both-end connection between a pair of these columns 3, and a back frame 5 made of a grooved steel with a lip also forms a groove on the building A side of the back frame 4 It is fixed to the side. The support 3 may be a support for one emergency protection device with three or more.
Side frames 6 and 6 are fixed from both ends of the rear frame 5 in such a manner as to horizontally cantilever in the building direction. The fixture is not shown.
The side frames 6, 6 are each made of a grooved steel with a lip, and the grooves are provided to be opposed to each other in the longitudinal direction of the sidewalk 1.
Between the front ends of the pair of side frames 6, 6 on the building side, a front frame 7 made of a ripped grooved steel is connected and fixed with its groove facing the roadway. The front frame 7 is detachably attached to the side frame 6 by a fastener (not shown).
A plurality of receiving frames 8 are passed between the rear frame 5 and the front frame 7 with the longitudinal direction of the sidewalk 1 oriented in the width direction, and on the receiving frames 8, A tight frame 9 made of a trapezoidal long-plate type as shown in an enlarged manner in FIG. 4 is attached, and a light-transmissive rainproof type polycarbonate protective roof 11 is attached via these. The groove length of the protective roof 11 corresponds to the width direction of the sidewalk 1, but the direction may be set to correspond to the longitudinal direction of the sidewalk 1. 13 is a fastening.
The protective roof 11 may be in the form of a chevron or plate as shown by the arrows a and b in FIG.
  On top of the protective roof 11 there is a type in which the upper cushioning 14 is directly tensioned, and on the polycarbonate middle cylindrical cushioning 15 placed in the groove of the protective roof 11 as shown. There is a type in which the upper cushioning material 14 is stretched. The upper cushioning material 14 is made of metal, resin, synthetic rubber or the like and is porous or flat surface including an expanding / punching system, and is fixedly attached by a fastener 13 at the periphery thereof. The fastening tool 13 is screwed through a back nut (not shown) welded and fixed to the frames 5, 6, 7, and its shaft extends downward and extends into the groove of the frames 5, 6, 7. The outer peripheral edge portion of 11 is pressed and fixed.
Numeral 11a is a seat disposed in each groove of the frames 5, 6, 7 and made of metal, resin, synthetic rubber or the like as a member for receiving the pressing.
The upper cushioning material 14 may be of a chevron or plate type as shown by the arrows a and b in FIG. 16 is a corner support material.
The protective roof 11, the side frame 6, and the upper surface cushioning material 14 may be inclined about 5 degrees back and forth so that the rainwater can easily flow to the rear as schematically shown in the upper column of FIG. .
17 is a front support. The middle cushioning material 15 is held by the tensioning of the top cushioning material 14 described later, so it is not necessary to fix it in particular.
Although the upper cushioning material 14 is made of one sheet, it may be formed of two or more sheets, for example. In this case, if the space between the top and the bottom is increased, the buffer effect is enhanced. In the case of multiple polymerization, if one of the filaments is oriented vertically and horizontally (positive lattice) and the other is diagonally crossed (diagonal lattice), the falling objects can be effectively buffered and captured. .
Also, as described above, the outer peripheral edge of the protective roof 11 is inserted into the frames 5, 6, 7 so that each of the grooved frames 7, 5, 6 can function as a weir, and the exclusion of rain water etc. is also possible. At this time, drainage can be performed more smoothly and reliably by inclining the protective roofing material 11 to the rear side as shown in FIG.
Although the rear frame 5 is overlapped with the back frame 4, it may be a simple rear frame 5 with a deep groove as shown in the right column of FIG.
The middle cushioning material 15 is a cylindrical body having a thickness of about 3 mm, but as shown in the lower column of FIG. 4, it may be reticulated or porous to make the cushioning effect effective.
As shown in the right column of FIG. 4, the top cushioning 14 has a spot-like base 14b integrally formed at the intersection of the mesh-like base 14a, and a large number of cushioning protrusions 14c ... upward on the base 14b. If the first step of buffering is performed by the buffer protrusions 14c, etc. and then the buffer action is performed by the base material 14a, the upper portion can be more reliably buffered in a simple manner. Become. The base 14a is in the form of a square grid, but as shown in the lower column, it may be a hexagon, a triangle or the like. The base 14a is made of soft elastic resin, metal or the like. The cushioning projections 14c may be oriented at an angle of 30 degrees or 45 degrees with respect to the vertical line, in which case they are easily bent to further enhance the cushioning effect. The same surface structure as the base 14a may be integrally formed on the tip end side of the buffer protrusion 14c. These can be applied to other embodiments.
FIG. 5 shows another embodiment. In the same embodiment, an earthquake occurs under the situation where a sidewalk 21 is provided along the foot of a building A having a certain height such as a building, and glass or peeling broken from the building A side It is a thing about a building falling object shelter as a protection measure in the case where a tile, a brick, a destruction block, an advertising structure frame, etc. fall and attack a person who walks the sidewalk 21 and the like.
Struts 23 made of square pipe made of steel, aluminum alloy, stainless steel, etc. are erected and fixed from a plurality of points near the road 22 of the sidewalk 21. A rear frame 25 made of a grooved steel with a lip is mounted and fixed between the pair of columns 23 with the groove facing the building. The support 23 may be a support for one emergency protection device with three or more. Reference numeral 24 denotes a drainage drain pipe whose upper end communicates with the rear frame 25, and reference numeral 30 denotes a front support.
From the rear frame 25, a pair of side frames made of grooved steel with a lip with a horizontal shape facing forward is fixed in a cantilever manner with the grooves facing inward. The side frames may be sloped backwards to improve rainwater flow.
A ripped grooved steel front frame 27 is releasably connected and fixed between the ends of the pair of side frames with the groove facing the roadway. The rear frame 25, the side frame and the front frame 27 are detachably connected to each other by a connector (not shown).
A plurality of vertical receiving frames 28 are passed between the rear frame 25 and the front frame 27, and a plurality of horizontal receiving frames 29 are connected in such a manner as to be orthogonal to the vertical receiving frames 28. doing.
A light-proof, rain-proof flat polycarbonate protective roof 31 is mounted on both frames 28 and 29 by means of fasteners 33. The outer peripheral edge of the protective roof 31 is inserted into the grooves of the rear, front and side frames 25 and 27 so that rainwater can easily flow in and finally drain out of the rear frame 25 through the drainage drain pipe 24. There is.
Then, on the frames of the rear, side and front frames 25, 27, the upper cushioning material 37A is attached by the attachment 33 on the outer periphery, and is stretched slightly above the protective roof 31 It is done. The upper cushioning material 37A is made of metal or resin and may be one sheet (37A or 37B) or a two-sheet set (37A and 37B). 30 is a front support.
In addition, as shown by arrows a, b and c in FIG. 5, the protective roof 31 has a core 31a in the form of a wave, a trapezoid fold plate, a chevron fold plate, and a backing 31b and a surface material 31c of a flat plate. It may be made of a translucent reinforced resin plate such as polycarbonate. In this case, the core material 31a, the backing material 31b, and the surface material 31c can all be thin plates and they can be polymerized and bonded to form a thick reinforcing material. The surface material 31c can be formed of resin or metal thin plate such as mesh-like or porous-like having a buffer function.
In the example of the proposal shown in FIGS. 6 and 7, the lower protection roof 32 of the folded plate type is mounted on the vertical and horizontal support frames 28, 29. 33 is a fastening. The groove direction of the lower protection roof 32 is horizontal or vertical.
An upper protection roof 34 is mounted on the lower protection roof 32 and has a groove intersecting with the lower protection roof 32. The upper protection roof 34 is attached by means of a fastener 33 via an elastic shock absorbing material 35. A cylindrical intermediate shock absorbing material 36 made of polycarbonate is set in the groove of the upper protective roof 34, and the upper shock absorbing material 37 is fixedly attached thereto by means of a fastener 33 at the periphery thereof. Since the middle shock absorbing material 36 is held by the tensioning of the top shock absorbing material 37A, it is not necessary to fix in particular. If the upper cushioning material 37A is stretched so as to be about h = 5 cm higher than the upper protection roof 34, the impact is less likely to be transmitted to the upper protection roof 34 side. The protective roofs 32, 34 may be of corrugated type.
  The protective roofs 32, 34 are fixed with the outer peripheral edge movably inserted into the grooves of the side frames 26, 26 and the front and rear frames 27, 25. This fixing is done by the fastener 33 as shown in FIG. Since the outer peripheral edges of the protective roofs 32, 34 are movable, the shock absorbing effect by the falling objects is enhanced.
  The upper cushioning material 37A is made of stainless steel or resin, which has high weather resistance and buffer resistance. The upper cushioning material may be a plurality of upper and lower sheets 37A and 37B. In this case, if one of the filaments is oriented in the vertical and horizontal directions (regular lattice) and the other is diagonally crossed (diagonal lattice), the falling objects can be effectively buffered and captured. Further, in the case of forming the plurality of upper and lower sheets 37A and 37B, if the upper one 37B as shown in FIG.
8 to 10 show another embodiment. In the installation environment where the sidewalk 41 is provided in front of the building A and the driveway 42 is provided on the outer side of the sidewalk 41, the same embodiment forms a plurality of pairs in the direction of the sidewalk width and forms plural pairs in the longitudinal direction. The pipe supports 43 are erected and installed, and the main frame 44 is attached so as to pass through the upper height of the middle step of the supports 43.
The main frame 44 is framed by corrugated front and rear frames 45 and 46 and a pair of side frames connecting longitudinal ends of the frames 45 and 46, and a plurality of main frames 44 are provided in the plane of the main frame 44. A cross-over-width material 47 and a corrugated centering material 48 assembled so as to pass through the middle of the cross-over-width materials 47 are provided.
The main frame 44 consisting of these is attached via the lower support seats 50 ... attached to the support column 43, and on the frame of the main frame 44, it is transparent and has a rainproof protection of translucent quality so as to form a waveform. The roof 51 is stretched and fixed by fasteners 52. The protective roof 51 is preferably a reinforced resin plate such as polycarbonate.
The protective roof 51 is corrugated so that the direction corresponding to the progress of the wave corresponds to the longitudinal direction of the sidewalk 41, so that the falling object is bent so as to be refracted in the longitudinal direction of the sidewalk 41 as shown by arrow X The possibility of hitting the wall of the object A or flying to the near side of FIG. 9 is reduced. However, the protective roof 51 and the main frame 44 may be horizontal.
Upper support seats 54 are attached to upper ends of the columns 43, and a four-sided frame-shaped buffer support frame 55 is attached via the upper support seats 54. An inner frame 56 is provided in the buffer receiving frame 55, and a coarse mesh-like buffer material 57 of 15 to 20 cm square is stretched and fixed by a fastening member 58 via the upper side thereof. The cushioning material 57 is preferably a resin or metal reticulated material or a perforated plate.
As shown in FIGS. 9 and 10, an auxiliary shock absorbing material 60 having a width about half that of the shock absorbing material 57 is stretched on the bottom surface of the shock absorbing receiving frame 55 with the inner frame 56 so as to correspond to the building A side. If this is done, it is possible to buffer and capture more reliably than the broken pieces S that tend to be biased to the building A side. The auxiliary shock absorbing material 60 is a reticulated or perforated plate-like member around 3 to 5 cm square.
11 to 13 show another embodiment. In this embodiment, the shock-absorbing material 62 and the shock-absorbing material 63 are formed so as to extend close to the building A side, so that even if the fractured pieces S fall toward the building A, they are buffer-captured. It is intended not to hurt anyone who walks down.
As shown in FIG. 13, the cushioning material 63 may be inclined upward to the building A, or may be inclined only on the side of the construction A, and may be horizontal. The other configurations are the same as those of the embodiment shown in FIGS.
  FIG. 14 shows another embodiment. In the same embodiment, under the condition that the sidewalk 66 passes by the side of the building A and the roadway 67 passes by, a pair of front and back pairs are formed in the longitudinal direction of the sidewalk 66 to stand and fix the support 68 The main frame 71 is attached to the support 68 via the lower support 70, and the protective roof 72 is attached on the upper surface thereof in a horizontal shape, and the support 68 on the building A side is high and the support 68 on the opposite side is provided. Leave the upper seats 73 ... on them and place them on the low rear frame 74 and the high front frame 75 with a diagonal passing cushion 76 between them. Even if there are fractured pieces S from them, they are buffer-captured as a first step so that no impact is applied to the protective roof 72.
FIG. 15 shows another embodiment. In the same embodiment, under the condition that the sidewalk 78 passes by the side of the building A and the roadway 79 passes by and a pair of front and rear pairs of the sidewalk 78 are formed to fix the support 80 upright. The main frame 81 is arranged by arranging the front and rear frames 81a and 81b along the upper ends of the columns 80 arranged respectively in the front and back, and passing a plurality of shallow arch-like width connecting members 81c between them. On the upper surface of the main frame 81, a similar arched translucent rainproof polycarbonate protective roof 83 is attached. If the fractured piece falls directly on the protective roof 83, cracking or breakage occurs. In some cases, as shown in FIG. 15, when a mesh-like or porous cushioning material 84 is stretched on the upper surface of the protective roof 83, protection is achieved by cushioning. In this case, the ribs 85 are provided on the upper surface of the protective roof 83, and the buffer material 84 is resiliently stretched in a floating state to increase the buffer action.
In addition, if the buffer material 84 is overhanging toward the building A side, there is little possibility that a person walking on the sidewalk 78 may be injured while buffering and capturing the broken pieces S falling toward the building A. Become. 84a is an overhang.
In addition, if the end of the shock absorbing material 84 on the building A side is lifted upward to form the shock absorbing stopper portion 84 b, the falling object is likely to hit the building A side and hit a person walking on the rebound footpath.
  FIG. 16 shows another embodiment. In this embodiment, in the one in which the support 89 is erected and fixed to the sidewalk 87 under the situation where the sidewalk 87 and the road 88 pass by the side of the building A, the front support 89 is raised and the space between the upper ends of the front and rear supports 89 A main frame 90 is mounted, and the main frame 90 is attached with a translucent, rainproof polycarbonate protective roof 91 having a semi-arched rear and an arched reverse S-shaped cross-section in the front, When a mesh or porous buffer material 92 is stretched on the upper surface, protection is achieved by buffer. In this case, the ribs 93 are provided on the upper surface of the protective roof 91, and the buffer material 92 is resiliently stretched in a floating state to increase the buffer action. Furthermore, if an intermediate buffer material 94 made of a round pipe made of resin or metal is provided between the buffer material 92 corresponding to the building A side and the protective roof 91, the buffer effect is further enhanced. When the portion on the building A side of the protective roof 91 is in the form of being raised to the building A side, the broken pieces S are less likely to be scattered to the side of the building A than in FIG. In addition, if a front cushioning material 95 is stretched on the building A side, it catches the fractured pieces S falling through the space between the disaster prevention shelter and the building A and prevents them from being splashed on the sidewalk 87 side. can do.
  A ... Building 1 ... Sidewalk 2 ... Roadway 3 ... Strut 11 ... Protective roof 14 ... Buffer material.

Claims (1)

  1. A plurality of pillars arranged on the side of the building and the side of the roadway on the sidewalk provided between the building and the roadway, an upper frame connecting the pillars at their upper ends, and a folded plate type Alternatively, a light-transmissive rain-proof protective roof that is corrugated and stretched within the frame of the upper frame, a mesh-like top cushioning material provided away above the protective roof, and the protective roof A sidewalk-type disaster prevention shelter having a mesh-like cylindrical intermediate cushioning material disposed so as to be below the top cushioning along each groove .
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CN108360560B (en) * 2018-02-12 2020-06-02 四川省交通勘察设计研究院有限公司 Fabricated steel box shed tunnel suitable for emergency rescue and disaster relief and construction method

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JP5163326B2 (en) * 2008-02-28 2013-03-13 フジワラ産業株式会社 Footbridge

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