JPH0558082B2 - - Google Patents
Info
- Publication number
- JPH0558082B2 JPH0558082B2 JP61108691A JP10869186A JPH0558082B2 JP H0558082 B2 JPH0558082 B2 JP H0558082B2 JP 61108691 A JP61108691 A JP 61108691A JP 10869186 A JP10869186 A JP 10869186A JP H0558082 B2 JPH0558082 B2 JP H0558082B2
- Authority
- JP
- Japan
- Prior art keywords
- hollow rubber
- sand layer
- rubber block
- shelter
- buffer layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004576 sand Substances 0.000 claims description 27
- 239000011435 rock Substances 0.000 claims description 20
- 230000035939 shock Effects 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 229920001875 Ebonite Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、山岳部の道路や鉄道軌道等に設置
する落石シエルタの緩衝装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a shock absorber for falling rock shelters installed on roads, railway tracks, etc. in mountainous areas.
従来、山岳部の道や鉄道軌道においては、落石
に対し防護するために、第８図に示すように、道
路や鉄道軌道の道床等の路盤７の両側にコンクリ
ートの基礎８を設置すると共に、各基礎８上に柱
または壁等の支持部材９を構築し、各支持部材９
の上部にわたつて溝形断面の屋根構造物２を架設
固定して落石シエルタ１を構築し、かつその屋根
構造物２の上に、落石１０に対する緩衝材として
１〜２ｍの厚さに厚い砂層６を敷設し、その砂層
６により落石１０の運動エネルギーを吸収してい
る。
Conventionally, in order to protect roads and railway tracks in mountainous areas from falling rocks, concrete foundations 8 are installed on both sides of the roadbed 7 of the road or railway track bed, etc., as shown in Figure 8. A support member 9 such as a column or wall is constructed on each foundation 8, and each support member 9 is
A rockfall shelter 1 is constructed by erecting and fixing a roof structure 2 with a groove-shaped cross section over the top of the roof structure 2, and a thick layer of sand with a thickness of 1 to 2 m is placed on top of the roof structure 2 as a buffer material against falling rocks 10. 6 is laid down, and the kinetic energy of the falling rock 10 is absorbed by the sand layer 6.
しかしながら、落石１０の運動エネルギーを砂
層６のみによつて吸収する場合は、砂層６の厚さ
を相当厚くする必要があり、そのため砂の使用量
が相当多くなると共に砂が湿つたときはその重量
が重くなり、落石シエルタ１に相当大きな砂層荷
重が作用するので、屋根構造物２、支持部材９、
基礎８等の断面を大きくする必要があるので、落
石シエルタ１の構築費が高くなるという問題があ
る。
However, if the kinetic energy of the falling rock 10 is to be absorbed only by the sand layer 6, the thickness of the sand layer 6 must be made considerably thicker, which means that the amount of sand used will be considerably large, and the weight of the sand when wet will increase. becomes heavy, and a considerably large sand layer load acts on the falling rock silter 1, so the roof structure 2, supporting members 9,
Since it is necessary to enlarge the cross section of the foundation 8, etc., there is a problem that the construction cost of the rockfall shelter 1 increases.
この発明は前述の問題を有利に解決できる落石
シエルタの緩衝装置を提供することを目的とする
ものであつて、この発明の要旨とするところは、
路盤の上に構築された落石シエルタ１における屋
根構造物２の上に、多数の中空ゴムブロツク３か
らなるゴムブロツク緩衝層４が設けられ、隣り合
う中空ゴムブロツク３の外周に設けた連結用溝１
２にわたつて連結杆１３が嵌挿され、前記ゴムブ
ロツク緩衝層４の上に載置された砂層支承板５の
上に砂層６が敷設されていることを特徴とする落
石シエルタの緩衝装置にある。
The object of the present invention is to provide a shock absorber for falling rock shelters that can advantageously solve the above-mentioned problems, and the gist of the present invention is to:
A rubber block buffer layer 4 consisting of a large number of hollow rubber blocks 3 is provided on the roof structure 2 of the falling rock shelter 1 constructed on the roadbed, and a connecting groove 1 is provided on the outer periphery of the adjacent hollow rubber blocks 3.
2, and a sand layer 6 is laid on a sand layer support plate 5 placed on the rubber block buffer layer 4. .
次にこの発明を図示の例によつて詳細に説明す
る。
Next, the present invention will be explained in detail using illustrated examples.
第４図および第５図はこの発明の実施例におい
て用いられる中空ゴムブロツク３を示すものであ
つて、上下方向に延長するゴム製円筒体１１の外
周に、円筒体長手方向に延長する４本の連結用溝
１２が90°の間隔で設けられ、この連結用溝１２
は円筒体外面側に位置するスリツトとそのスリツ
トの巾よりも大きい直径を有する円形断面の抜け
止め用孔とにより構成されている。 4 and 5 show a hollow rubber block 3 used in an embodiment of the present invention, in which four blocks extending in the longitudinal direction of the cylinder are attached to the outer periphery of a rubber cylindrical body 11 extending in the vertical direction. Connecting grooves 12 are provided at 90° intervals, and the connecting grooves 12
is composed of a slit located on the outer surface of the cylindrical body and a retaining hole having a circular cross section and having a diameter larger than the width of the slit.
第６図および第７図はこの発明の実施例におい
て用いられる連結杆１３を示すものであつて、帯
板１４の巾方向の両側に、その帯板１４の厚さよ
りも大きい直径を有する円形断面の抜け止め用杆
体１５が一体に連設されている。前記連結杆１３
は前記中空ゴムブロツク３よりも硬質の材料例え
ばポリエチレンその他の硬質合成樹脂により製作
される。 6 and 7 show a connecting rod 13 used in an embodiment of the present invention, in which a circular cross section having a diameter larger than the thickness of the strip 14 is formed on both sides of the strip 14 in the width direction. A retaining rod 15 is integrally provided. The connecting rod 13
is made of a material harder than the hollow rubber block 3, such as polyethylene or other hard synthetic resin.
第１図ないし第３図は前記中空ゴムブロツク３
および連結杆１３を使用した落石シエルタの緩衝
装置を示すものであつて、道路や鉄道軌道の道床
等の路盤７の両側にコンクリートの基礎８が設置
され、各基礎８の上に柱または壁等の支持部材９
が構築され、かつ各支持部材９の上部にわたつて
溝形断面の鉄筋コンクリートの屋根構造物２がゴ
ム沓１６を介して架設されて、落石シエルタ１が
構成されている。 Figures 1 to 3 show the hollow rubber block 3.
This shows a shock absorber for a falling rock silter using connecting rods 13, in which concrete foundations 8 are installed on both sides of a roadbed 7 such as the bed of a road or railway track, and pillars or walls etc. are installed on each foundation 8. support member 9
is constructed, and a reinforced concrete roof structure 2 with a channel-shaped cross section is constructed over the top of each support member 9 via rubber shoes 16, thereby forming a rockfall shelter 1.
前記屋根構造物２における溝底板の上に、多数
の中空ゴムブロツク３が路盤長手方向および路盤
巾方向に間隔をおいて並べて載置され、隣り合う
中空ゴムブロツク３の連結用溝１２にわたつて連
結杆１３が嵌挿され、その連結杆１３によつて一
定間隔を保つて連結された多数の中空ゴムブロツ
ク３によりゴムブロツク緩衝層４が構成され、さ
らにそのゴムブロツク緩衝層４の上面に、中空ゴ
ムブロツク３よりも硬質の繊維混入硬質ゴム板か
らなる砂層支承板５が載置され、その砂層支承板
５の上に厚さ15〜20cmの砂層６が敷設されてい
る。 On the groove bottom plate of the roof structure 2, a large number of hollow rubber blocks 3 are placed side by side at intervals in the longitudinal direction of the roadbed and the width direction of the roadbed, and connecting rods are installed across the connecting grooves 12 of the adjacent hollow rubber blocks 3. A rubber block buffer layer 4 is constituted by a large number of hollow rubber blocks 3 into which a plurality of hollow rubber blocks 3 are fitted and connected at regular intervals by the connecting rods 13. A sand layer support plate 5 made of a hard rubber plate mixed with hard fibers is placed, and a sand layer 6 with a thickness of 15 to 20 cm is laid on the sand layer support plate 5.
前記実施例のように、屋根構造物２と支持部材
９との間にゴム沓１６を介在させておけば、その
ゴム沓１６によつても落石の衝撃力を減衰するこ
とができる。また隣り合う中空ゴムブロツク３の
間に間〓を設けておけば、中空ゴムブロツク３に
落石荷重が作用したとき、中空ゴムブロツク３を
外周方向に弾性的にふくらみ変形させて衝撃エネ
ルギーを有効に緩衝することができる。さらにま
た、隣り合う中空ゴムブロツク３を連結杆１３に
より連結しておけば、屋根構造物２の溝底版が傾
斜していても、あるいは一部の中空ゴムブロツク
３に落石衝突力が作用しても、隣り合う中空ゴム
ブロツク３の間隔を常に一定に保つことができ
る。 If the rubber shoe 16 is interposed between the roof structure 2 and the support member 9 as in the embodiment described above, the impact force of the falling rock can also be attenuated by the rubber shoe 16. Furthermore, if a gap is provided between adjacent hollow rubber blocks 3, when a falling rock load acts on the hollow rubber blocks 3, the hollow rubber blocks 3 will elastically bulge and deform in the outer circumferential direction, effectively buffering the impact energy. I can do it. Furthermore, if the adjacent hollow rubber blocks 3 are connected by the connecting rod 13, even if the groove bottom of the roof structure 2 is inclined, or even if some of the hollow rubber blocks 3 are subjected to falling rock impact force, The distance between adjacent hollow rubber blocks 3 can always be kept constant.
この発明を実施する場合、砂層支承板５として
は、繊維混入硬質ゴム板に代えて繊維を混入して
いない硬質ゴム板、硬質合成樹脂板あるいは鋼板
等を使用してもよい。また中空ゴムブロツク３の
横断面形状は任意形状であつてもよい。 When carrying out this invention, as the sand layer support plate 5, a hard rubber plate without fibers mixed therein, a hard synthetic resin plate, a steel plate, etc. may be used instead of the hard rubber plate mixed with fibers. Further, the cross-sectional shape of the hollow rubber block 3 may be any shape.
この発明によれば、路盤の上に構築された落石
シエルタ１における屋根構造物２の上に、多数の
中空ゴムブロツク３からなるゴムブロツク緩衝層
４が設けられ、隣り合う中空ゴムブロツク３の外
周に設けた連結用溝１２にわたつて連結杆１３が
嵌挿され、前記ゴムブロツク緩衝層４の上に載置
された砂層支承板５の上に砂層６が敷設されてい
るので、落石１０の運動エネルギーを主としてゴ
ムブロツク緩衝層４により有効に吸収することが
でき、そのため砂層６の厚さを薄くして、落石シ
エルタ１に作用する砂層荷重を小さくできるの
で、屋根構造物２、支持部材９、基礎等の断面を
小さくして、落石シエルタ１の構築費を安くする
ことができ、かつ砂の使用量をも少なくすること
ができ、さらに砂層支承板５によりゴムブロツク
緩衝層４の空間内への砂の侵入を防止することが
でき、しかも落石の衝撃力は、砂層６により分散
され、続いて砂層支承板５により分散されてゴム
ブロツク緩衝層４に伝達されるので、中空ゴムブ
ロツク３に過大な衝撃力が作用するのを防止する
ことができる。また特にこの発明の場合は、隣り
合う中空ゴムブロツク３の外周に設けた連結用溝
１２にわたつて連結杆１３が嵌挿されているの
で、多数の中空ゴムブロツク３を相互に連結し
て、落石１０の運動エネルギーに対し強固なゴム
ブロツク緩衝層４を構成することができる等の効
果が得られる。
According to this invention, a rubber block buffer layer 4 consisting of a large number of hollow rubber blocks 3 is provided on the roof structure 2 of a falling rock shelter 1 constructed on a roadbed, and a rubber block buffer layer 4 consisting of a large number of hollow rubber blocks 3 is provided on the outer periphery of the adjacent hollow rubber blocks 3. Since the connecting rod 13 is fitted across the connecting groove 12 and the sand layer 6 is laid on the sand layer support plate 5 placed on the rubber block buffer layer 4, the kinetic energy of the falling rock 10 is mainly absorbed. It can be effectively absorbed by the rubber block buffer layer 4, and the thickness of the sand layer 6 can be reduced to reduce the sand layer load acting on the rock shelter 1. The construction cost of the rockfall shelter 1 can be reduced, and the amount of sand used can also be reduced.Furthermore, the sand layer support plate 5 prevents sand from entering the space of the rubber block buffer layer 4. Moreover, the impact force of falling rocks is dispersed by the sand layer 6 and then by the sand layer support plate 5 and transmitted to the rubber block buffer layer 4, so that excessive impact force acts on the hollow rubber block 3. can be prevented. Moreover, especially in the case of this invention, since the connecting rod 13 is fitted across the connecting groove 12 provided on the outer periphery of the adjacent hollow rubber blocks 3, a large number of hollow rubber blocks 3 can be connected to each other, and the falling rocks 10 can be connected to each other. Effects such as being able to construct a rubber block buffer layer 4 that is strong against kinetic energy can be obtained.
第１図ないし第７図はこの発明の一実施例を示
すものであつて、第１図は落石シエルタの緩衝装
置を示す縦断側面図、第２図はその一部を拡大し
て示す縦断側面図、第３図はゴムブロツク緩衝層
の一部を示す横断平面図、第４図はこの発明の実
施例において用いられる中空ゴムブロツクの平面
図、第５図はその一部縦断側面図、第６図は連結
杆の側面図、第７図はその拡大断面図である。第
８図は従来の緩衝用砂層を有する落石用シエルタ
の縦断側面図である。
図において、１は落石シエルタ、２は屋根構造
物、３は中空ゴムブロツク、４はゴムブロツク緩
衝層、５は砂層支承板、６は砂層、７は路盤、８
は基礎、９は支持部材、１１はゴム製円筒体、１
２は連結用溝、１３は連結杆である。
Figures 1 to 7 show one embodiment of the present invention, in which Figure 1 is a longitudinal side view showing a shock absorber for a falling rock shelter, and Figure 2 is a longitudinal side view showing an enlarged portion of the shock absorber. 3 is a cross-sectional plan view showing a part of the rubber block buffer layer, FIG. 4 is a plan view of a hollow rubber block used in an embodiment of the present invention, FIG. 5 is a partial longitudinal sectional side view thereof, and FIG. 7 is a side view of the connecting rod, and FIG. 7 is an enlarged sectional view thereof. FIG. 8 is a longitudinal sectional side view of a conventional rockfall shelter having a buffering sand layer. In the figure, 1 is a falling rock shelter, 2 is a roof structure, 3 is a hollow rubber block, 4 is a rubber block buffer layer, 5 is a sand layer support plate, 6 is a sand layer, 7 is a roadbed, and 8
is a foundation, 9 is a support member, 11 is a rubber cylinder, 1
2 is a connecting groove, and 13 is a connecting rod.
Claims (1)
る屋根構造物２の上に、多数の中空ゴムブロツク
３からなるゴムブロツク緩衝層４が設けられ、隣
り合う中空ゴムブロツク３の外周に設けた連結用
溝１２にわたつて連結杆１３が嵌挿され、前記ゴ
ムブロツク緩衝層４の上に載置された砂層支承板
５の上に砂層６が敷設されていることを特徴とす
る落石シエルタの緩衝装置。1. A rubber block buffer layer 4 consisting of a large number of hollow rubber blocks 3 is provided on the roof structure 2 of the rockfall shelter 1 constructed on the roadbed, and a connecting groove 12 provided on the outer periphery of the adjacent hollow rubber blocks 3 is provided. A shock absorbing device for a rock fall shelter, characterized in that a connecting rod 13 is fitted across and a sand layer 6 is laid on a sand layer support plate 5 placed on the rubber block buffer layer 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10869186A JPS62268408A (en) | 1986-05-14 | 1986-05-14 | Buffer apparatus of falling rock shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10869186A JPS62268408A (en) | 1986-05-14 | 1986-05-14 | Buffer apparatus of falling rock shelter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62268408A JPS62268408A (en) | 1987-11-21 |
| JPH0558082B2 true JPH0558082B2 (en) | 1993-08-25 |
Family
ID=14491201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10869186A Granted JPS62268408A (en) | 1986-05-14 | 1986-05-14 | Buffer apparatus of falling rock shelter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62268408A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629368U (en) * | 1979-08-10 | 1981-03-19 | ||
| JPS5929831A (en) * | 1982-08-12 | 1984-02-17 | Ikeda Fume Kan Kk | Elastomer molding substance |
| JPS5990736A (en) * | 1982-11-16 | 1984-05-25 | Mitsubishi Electric Corp | Collective control device of engine and transmission for automobile |
| JPS6030815B2 (en) * | 1980-11-22 | 1985-07-18 | 日本植生株式会社 | Bedrock vegetation method |
| JPS617835U (en) * | 1984-06-19 | 1986-01-17 | オムロン株式会社 | Sealed relay |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030815U (en) * | 1983-08-08 | 1985-03-02 | 株式会社 愛洋産業 | elastic folding mat |
-
1986
- 1986-05-14 JP JP10869186A patent/JPS62268408A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629368U (en) * | 1979-08-10 | 1981-03-19 | ||
| JPS6030815B2 (en) * | 1980-11-22 | 1985-07-18 | 日本植生株式会社 | Bedrock vegetation method |
| JPS5929831A (en) * | 1982-08-12 | 1984-02-17 | Ikeda Fume Kan Kk | Elastomer molding substance |
| JPS5990736A (en) * | 1982-11-16 | 1984-05-25 | Mitsubishi Electric Corp | Collective control device of engine and transmission for automobile |
| JPS617835U (en) * | 1984-06-19 | 1986-01-17 | オムロン株式会社 | Sealed relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62268408A (en) | 1987-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5426267A (en) | Highway and airport sound barriers | |
| JP2851953B2 (en) | Semi-buried cover structure and construction method thereof | |
| CN101736707A (en) | Novel energy consumption damping stone blocking structure | |
| KR102322249B1 (en) | Expandable module type footbridge | |
| EP0894900B1 (en) | Structure of pile foundation | |
| US20220213656A1 (en) | Deck system | |
| US4911360A (en) | Precast railway crossing slab | |
| US20180209106A1 (en) | Light-weight bridge support systems and methods of use | |
| KR970011188A (en) | Prefabricated Overpass and Construction Method | |
| JP4501162B2 (en) | Rock fall protection structure | |
| KR102163560B1 (en) | Girdir and bridge having soundproof wall using the same | |
| EP1123447B1 (en) | Foundation work erected on a soil with inferior stability | |
| JPH0558082B2 (en) | ||
| JPH0449215Y2 (en) | ||
| JP2005282317A (en) | Stone fall prevention wall | |
| JPH0874215A (en) | Protective structure | |
| JP2002339383A (en) | Joint member and structure | |
| JPH0449217Y2 (en) | ||
| JPH0258604A (en) | Cushion material for falling rock prevention fence | |
| CA2148877C (en) | Highway and airport sound barriers pre-stressed hollow core concrete panels | |
| JPH0738331Y2 (en) | Styrofoam protection structure for rockfall prevention protection structure | |
| JP2785177B2 (en) | Rock fall, earth and sand, driftwood, avalanche, snow pressure prevention facilities | |
| CN209838425U (en) | Load-shedding open cut tunnel with light material arch part filling structure | |
| JPH09273101A (en) | Sleeper for preventing from subsidence for railroad track | |
| Tajzadah et al. | Seismic response of steel bracing RC structure with different steel section |