JPH08209654A - Levee switching type road - Google Patents

Abstract

PURPOSE: To provide a levee switching type road which can cope with even a high water level satisfactorily while holding down the construction cost by installing a road part also used as a levee in such a manner as to turn on a pivot at its one side edge part of the levee, and erecting a guard fence part also used as a levee supported along the other edge part. CONSTITUTION: During the normal time the water level is not so high, a levee switching road 11 is turned on a pivot 15 in such a manner as to project over a levee 10 toward the sea, the river and so on. A support member 12 is brought into contact with the base of a road part 13 to be kept in the horizontal state so as to be used as a footpath or the like, and the safety is ensured by a guard fence 14. At time of emergency the water level is expected to be raised due to approach of a typhoon or the like, the levee switching type road 11 is turned to the levee 10 side to be used as a part of the levee. The road part 13 is kept in the state of being projected upward from the levee 10 by the guard fence part 14. A water stop part is fitted to the periphery of the pivot 15, and a water-proof material 18 is disposed in a space between the road parts 13 to check immersion of water. The movement of the road part is blocked by the guard fence part 14 together with the pivot 15 to exhibit a satisfactory levee function.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embankment switching type road which is used as a road during normal times when the water level is low, such as the sea and rivers, and which functions as an embankment during emergencies when the water level is high due to typhoons. .

[0002]

2. Description of the Related Art Conventionally, banks have been built along the shores of the sea, rivers, etc. in case typhoons, heavy rains, etc., cause waves to rise or the water level to increase. For example, the weight type embankment shown in FIG. 6 has a structure in which a caisson 2 made of concrete is placed on an embankment laying 1 made by depositing earth and sand.

[0003]

However, in the above-mentioned dike, the dike height must be determined in preparation for the maximum water level, and a considerable part is not required during normal operation. Further, the levee 1 must be formed according to the height of the levee, and the range of the levee 1 needs to be expanded as the height of the levee is increased. Therefore, a large amount of earth and sand is required, and the cost of construction is enormous when the embankment is installed over a wide area. Furthermore, once the embankment has been built, it is difficult to reconstruct it high, and when there is a private house 3 near the embankment, there is a legal height limit.

In view of the above problems, an object of the present invention is to provide an embankment switching type road that can sufficiently cope with a high water level while suppressing the construction cost.

[0005]

In order to achieve the above object, in the invention according to claim 1, an embankment / combined road rotatably mounted around a turning shaft provided along one side edge of the embankment. And a levee supporting and guard fence portion that is erected along the other side edge of the levee and road section.

According to a second aspect of the present invention, the road for combined use of the embankment is rotatably provided at a position protruding from the embankment, and the road for combined use of the embankment is kept horizontal in a state of being swung to the protruding position. This is provided with a support member for a section.

According to the third aspect of the present invention, when the levee-cum-road section turns and functions as a levee, the upper edge of the levee-supporting guard fence section is locked to prevent the levee-and-road section from rotating. A lock receiving portion for blocking is provided on the bank.

According to a fourth aspect of the present invention, there is provided a partition and auxiliary support member for supporting the embankment road together with the embankment support guide fence when the embankment road turns and functions as a dike. It is provided on at least one of the embankment and the road part that also serves as the embankment.

According to a fifth aspect of the present invention, the embankment / road section is provided with a levitation member to which a turning force is applied when the water level exceeds a predetermined value.

In a sixth aspect of the invention, when a wave plate is provided on either one of the embankment-use road portion and the embankment-supporting guard fence portion to cause the embankment-use road portion to rotate and function as a dike. The amount of protrusion of the above from the dike / road section is adjustable.

[0011]

According to the first aspect of the invention, normally, the embankment / road section is turned so as to be horizontal and used as a sidewalk or the like. Also, in an emergency when the water level rises, the dike / road road section is turned in the opposite direction, and the tip edge of the dike support / handrail is brought into contact with the dike surface to prevent flooding on the dike / road area. .

According to the second aspect of the present invention, at the time of normal operation, not only the upper surface of the embankment road but also the upper surface of the embankment road can be used as a road by protruding from the embankment road.

According to the third aspect of the present invention, when the levee combined road portion is turned in an emergency, the levee combined road portion is supported not only by the rigidity of the embankment supporting portion / handrail itself but also by the lock receiving portion. It

According to the fourth aspect of the present invention, in the normal time, the partition and auxiliary supporting member functions as a guard fence that separates the upper surface of the embankment from the upper surface of the embankment road. Further, in an emergency, when the dike / road section is turned, the dike / road section is supported together with the partition / auxiliary support member.

According to the fifth aspect of the present invention, the levitation member turns the dike / road section in response to the displacement of the water level, and the dike / road section is automatically used as a road or a dike.

According to the sixth aspect of the present invention, the height of the embankment is changed by adjusting the amount of protrusion of the breakwater, and particularly when the embankment support guard fence is provided, the embankment switching type road portion. It has a substantially V-shaped cross section and is excellent in the function of preventing waves.

[0017]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows an embankment 10 provided with an embankment switching type road 11 according to the present invention. The embankment 10 is made of concrete or the like, and the top end 10a is used as a roadway or a sidewalk. In addition, a support member 12 that is provided in parallel with the embankment 10 and maintains a road portion 13 described below in a horizontal state is extended from a side wall of the embankment 10 or the like. However, the support member 12
May be composed of columns or the like that are erected on the bottom of the sea or river by boring or the like.

The bank switching type road 11 is composed of a road section 13 and a guard fence section 14, and a plurality of banks 11 are arranged along the bank 10. The road portion 13 is a rectangular plate-like body made of a metal material excellent in rust resistance, reinforced plastic, etc.
A swivel shaft 15 is integrated with one side edge portion. The road portion 13 is rotatably held by the swivel shaft 15 on a bearing member 16 standing on the edge of the embankment 10 at a predetermined interval.
Around the swivel shaft 15, a water stop portion 17 made of a material having excellent waterproofness and elasticity such as rubber or synthetic resin material is provided to prevent water from entering regardless of the swiveling position of the road portion 13. It is like this. Further, a waterproof member 18 made of the same material as that of the water blocking portion 17 is integrated with the opposite edge portions of the adjacent road portions 13 to prevent water from entering between the road portions 13. On the other hand, the guard fence portion 14 is formed of, for example, a plate material such as metal, reinforced plastic, or wood having excellent anticorrosion properties, or a bar material combined in a lattice shape, and is different from the turning shaft 15 of the road portion 13. It is provided integrally with the road portion 13 at right angles to the opposite side edge portion.

In the embankment 10 equipped with the embankment switching type road 11 having the above-mentioned structure, in normal times when the water level is not so high,
As shown in FIG. 2 (a), the dike switching type road 11 is turned around the turning axis 15 so as to protrude from the embankment 10 toward the sea, a river, or the like. In this state, the supporting member 12 is in contact with the bottom surface of the road portion 13, and the bank switching type road 11 is maintained in a horizontal state. The upper surface of the road portion 13 is, for example,
Since it can be used as a sidewalk and a guard fence portion 14 is erected on the side edge of the road portion 13, the safety of pedestrians is ensured.

Here, in an emergency when the water level is expected to rise due to the approach of a typhoon, etc., as shown in FIG. 2 (b), the embankment switching type road 11 is turned to the embankment 10 side to remove the embankment. Used as a part. This turning work is performed by a machine such as a man or a crane depending on the size of the bank 11 that can be switched. When the bank switching type road 11 turns to the bank 10, the guard fence part 14 supports the road part 13 and keeps the road part 13 projecting upward from the bank 10. Since the water stop portion is provided around the turning shaft 15 and the waterproof member 18 is arranged between the road portions 13, the infiltration of water is completely prevented. In this case, the road portion 13 is not limited to the turning shaft 15 but also the guard fence portion 1.
Since the movement is blocked by 4 as well, it fulfills a sufficient dike function.

In the above embodiment, the bank switching type road 1
1 was set up to extend from the embankment 10,
The bottom surface of the road portion 13 may be placed on the top end 10a of the embankment 10. In this case, the support member 12 is unnecessary.

In addition to the configuration of the above embodiment, FIG.
The following members shown in FIG. 6 may be added.

That is, in FIG. 3, the top end 10 of the embankment 10 is
A lock receiving portion 18 is formed on the surface a, on which the upper edge of the guard fence portion 14 is locked when the dike switching road 11 is turned. It is preferable that the lock receiving portion 18 is provided upright on the edge portion of the top end 10a opposite to the edge portion on which the embankment switching type road 11 is provided so that it can be used as a guard fence.

In FIG. 4, auxiliary supporting members 19 are erected continuously or at predetermined intervals near the side edge of the top end 10a of the embankment 10 or near the turning shaft 15 of the road 13. The auxiliary support member 19 plays a role as a separation zone that partitions the top end 10 a of the embankment 10 and the road portion 13 when the embankment switching type road 11 is protruded from the embankment 10. Therefore, when the road portion 13 is used as a sidewalk, the auxiliary support member 19 prevents entry of an automobile or the like and ensures the safety of pedestrians. On the other hand, when the bank switching type road 11 is used as a part of the bank, it plays a role of supporting the road section 13 together with the guard fence section 14.

If the auxiliary supporting member 19 is made of rubber, synthetic resin material or the like having excellent waterproof property, the water blocking portion 17 is not provided around the turning shaft 15 of the bank switching type road 11. Also, it is possible to have a water-stop structure that is structurally reasonable.

In FIG. 5, a levitating member 20 is provided on the bank switching type road 11. The floating member 20 is made of, for example, a resin material having excellent waterproofness, is fixed to the tip of a rod 20a having rigidity extending from the lower surface of the road portion 13, and has a water level of a predetermined value or more. At this point, a turning force is applied to the embankment switching type road 11 to turn to the state shown in FIG. 5 (b).

It is to be noted that the levitation member 20 is constructed so as to apply a turning force in the opposite direction to the embankment switching type road 11 due to its own weight when the water level drops while the embankment switching type road 11 is turning. preferable.

Further, if the force required for turning the embankment switching type road 11 is insufficient, the number and size of the levitation members 20 may be changed, and the weight of the road portion 13 may be reduced. It is possible to change.

As described above, in the vehicle having the floating member 20, the bank switching type road 1 is automatically changed as the water level rises and falls.
Since the first turning operation can be performed, there is no need to perform the turning operation manually or by using a machine such as a crane, which is convenient. Further, the levitation member 20 itself can be easily manufactured and is inexpensive.

In FIG. 6, the wave barrier plate 21 is provided on the guard fence portion 14 so that the protrusion amount can be adjusted. That is, the wave preventing plate 21 is formed in a plate shape that can prevent water from entering like the road portion 13 and is screwed to the guard fence portion 14 through the long hole 22 to adjust the protrusion amount. Has become. This allows the height of the embankment to be adjusted even higher. Also, when installing on the coast,
When it is used as an embankment, it can have a V-shaped cross section and can absorb its kinetic energy even when a wave hits it, thus exhibiting an excellent wave preventing function. Further, the wave preventing plate 21 can be provided on the road portion 13 as well as on the guard fence portion 14.

[0032]

As is apparent from the above description, according to the invention of claim 1, since the dike supporting guard fence portion is integrated with the dike road portion, and can be turned, At the time, not only can the road be used as a road by leveling it, but also in an emergency when the water level rises, the dike can be swung to raise the embankment sufficiently to deal with damage due to inundation. You can Therefore, it becomes possible to reduce the cost of building the embankment. In addition, it is possible to flexibly deal with the case where the conventional dike is desired to be raised, and the legal height limitation due to private houses does not pose a problem. Since the levee supporting guard fence is provided, it can be used as a highly safe sidewalk.

According to the second aspect of the invention, the dike / road section can be turned to a position protruding from the dike.
Effective use of the surface of the embankment becomes possible. Further, since the road part also serving as an embankment is supported by the road part supporting member, it is highly safe to use as a road.

According to the third aspect of the present invention, since the side edge portion of the levee supporting guard fence is locked to the lock receiving portion of the levee when the levee combined road portion is turned, the levee combined road portion is When used as an embankment, the strength against water pressure can be increased.

According to the invention as set forth in claim 4, since the partition and auxiliary supporting member is provided on the embankment or the embankment road portion, it is used as a guard fence in normal times and as a reinforcement for supporting the embankment road portion in the emergency. Can be used.

According to the fifth aspect of the present invention, since the leve / combination road portion can be turned according to the change of the water level by providing the levitation member, the leve / combination road portion is automatically changed to the road or one of the levees. It can be used as a department.

According to the sixth aspect of the present invention, since the corrugated plate is provided on either one of the levee combined road section and the levee supporting guard fence section so that the protrusion amount can be adjusted, the levee height can be further increased. Can be adjusted higher. In particular, if the breakwater is provided on the bank fence for supporting the embankment, it can have a substantially V-shaped cross section when it is used as an embankment, and it is possible to provide a structure having an excellent wave-sealing function. is there.

[Brief description of drawings]

FIG. 1 is a schematic view of an embankment provided with an embankment switching type road according to a first embodiment.

2A is a cross-sectional view showing a state before turning, and FIG. 2B is a cross-sectional view showing a state after turning of the bank switching road shown in FIG.

FIG. 3A is a sectional view showing a state before turning of the embankment switching road according to the second embodiment, and FIG. 3B is a sectional view showing a state after turning.

FIG. 4A is a cross-sectional view showing a state before turning, and FIG. 4B is a cross-sectional view showing a state after turning of the bank switching road according to the third embodiment.

FIG. 5A is a sectional view showing a state before turning of a bank switching road according to a fourth embodiment, and FIG. 5B is a sectional view showing a state after turning.

FIG. 6A is a sectional view showing a state before turning of a bank switching road according to a fifth embodiment, and FIG. 6B is a sectional view showing a state after turning.

FIG. 7 is a sectional view of an embankment according to a conventional example.

[Explanation of symbols]

 10 Embankment 13 Road section (Dike and road section) 14 Guard fence section 15 Turning axis

[Procedure amendment]

[Submission date] July 17, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0002

[Correction method] Change

[Correction content]

[0002]

2. Description of the Related Art Conventionally, banks have been built along the shores of the sea, rivers, etc. in case typhoons, heavy rains, etc., cause waves to rise or the water level to increase. For example, the weight type embankment shown in FIG. 7 has a structure in which a caisson 2 made of concrete is placed on an embankment 1 formed by depositing earth and sand.

Claims (6)

[Claims] 1. An embankment-use road portion mounted so as to be rotatable about a turning axis provided along one side edge of the embankment, and standing upright along the other side edge part of the embankment-use road portion. An embankment switching road characterized by being composed of an embankment supporting and guard fence section. 2. A road part supporting member for rotatably providing the dike / road portion at a position protruding from the dike, and for maintaining the dike / road portion in a horizontal state in a state of turning to the protruding position. Claim 1 characterized by the above.
The embankment switching type road described in. 3. A lock receiving portion that locks an upper edge portion of the levee supporting guard fence portion when the levee combined road portion turns and functions as a levee, and prevents rotation of the levee combined road portion. 3. An embankment is provided on the embankment.
The embankment switching road according to any one of 1. 4. A partition / auxiliary support member for supporting the embankment road together with the embankment support guard fence when the embankment road turns and functions as an embankment.
The embankment switching road according to any one of claims 1 to 3, wherein the embankment switching road is provided on at least one of the embankment and the embankment combined road portion. 5. The embankment / road section is provided with a levitation member to which a turning force is applied when the water level reaches or exceeds a predetermined value, in any one of claims 1 to 4. Levee switching road. 6. A levee-combined road portion when a wave plate is provided on either one of the levee-combined road portion or the levee supporting guard fence portion so as to function as a levee by rotating the levee-combined road portion. The embankment switching road according to any one of claims 1 to 5, characterized in that the amount of upward protrusion of the embankment is adjustable.