JPH0333762Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a road division structure using block members in the median strip of a roadway or the partition between a roadway and a sidewalk.

``Prior art'' and ``Problems to be solved by the invention'' In general, median strips installed in the center of a roadway and road sections that partition the roadway and sidewalk are rigid structures made of elevated block members fixed to the road. It is built on.

Therefore, conventional road sections made of block members lack the ability to absorb shock when a vehicle collides with them, as well as lack the ability to elastically displace due to impact force. It may be severely damaged or overturned, and
There are problems such as overcoming such road sections and plowing into oncoming traffic lanes or sidewalks, resulting in a larger number of accidents, resulting in greater damage to people and vehicles, as well as damage to such road sections.

The purpose of the present invention is to solve the above-mentioned problems of the prior art.

``Means for Solving the Problems'' The road division structure of the present invention, which achieves the above objectives, is based on a flexible structure, and its gist is ``a base block that is buried and fixed in the road; The upper surface of the base block is formed with a flat concave part continuous in the longitudinal direction and a raised barrier bank on both sides of the concave part. The bottom of the is provided with a placing part, and the placing part is placed in the recessed part, and between the side edge of the placing part and the barrier bank,
It has a flexible structure with a sideways sliding space for the partition block, and is configured so that when a traveling vehicle contacts or collides with the partition block, the partition block slides within an allowable range.

``Function'' The road partition structure of the present invention, which is characterized by the above-mentioned flexible structure, has the effect of absorbing and mitigating the impact force of a vehicle collision and preventing the partition block from climbing over due to the above-mentioned sideslip displacement.

"Example" Hereinafter, a detailed explanation will be given based on an example. First, with reference to FIG. 1 showing the first embodiment of the present invention applied to a road median strip, the road partition structure of the present invention consists of a base part buried and fixed on the partition strip of the oncoming lane of the road. It consists of a block 2 and a partition block 1 mounted on a base block 2. The base block 2 is embedded and fixed in a chain in a line with its upper surface exposed, and a flat recess 3 continuous in the longitudinal direction is formed in the center of the upper surface. Both edges are continuously formed with barrier banks 5 that rise through slopes 4.

On the other hand, the partition block 1 has a U-shaped cross section as shown in FIG. 1, with a front wall 5A, a rear wall 5B, a side wall 6A,
6B, open upward, and have the required length L.
The outside of the bottom connecting the side walls 6A and 6B is
It is formed into a flat mounting portion 7 which can be placed in surface contact with the recessed portion 3 of the base block 2.

When the partition block 1 is placed along the center line 9 of the recessed part 3, both sides of the placing part 7 and the recessed part 3
A side-sliding space 8 for the partition block 1 is secured between the partition block 1 and the barrier bank 5, and a group of partition blocks 1 placed in a chain on the base block 2 are raised higher than the road surface 10 and separated in the center. It is formed to form a band.

When a traveling vehicle accidentally contacts or collides with the compartment block 1, the collision contact force causes the division block 1 to slip within the permissible range of the skid space 8, and a flexible structure absorbs and alleviates the collision contact force. It is configured.

Note that the partition block 1 of this embodiment has a side wall 6
Plants are planted in the recesses surrounded by A and 6B so that the median strip can be greened. A hollow drainage channel 12 is provided in the base block 2, and the road surface 10
A side gutter function is provided to receive and drain rainwater into the water collection hole 11 of the recessed part 3 through the side sliding space 8.

The above-described road partition structure of the present invention is characterized by a flexible structure in which the group of partition blocks 1 is displaced by sideways sliding due to external force, so if the weight of the partition block 1 is appropriately selected, the vehicle can move along the side walls 6A, 6B, when the vehicle strongly contacts or collides with the block 1, the contact collision force causes the compartment block 1 to slide sideways and absorb and alleviate the contact collision force.As long as the collision force is not too strong, the vehicle It has the effect of preventing overcoming. Even if partition block 1 slides sideways due to a collision, etc., it can be quickly restored to its normal position, and in the event of an emergency such as a disaster, the group of partition blocks 1 can be removed to quickly secure the effective area of the road. There are advantages.

Next, other embodiments of the present invention will be described with reference to FIGS. 2 to 4. First, the embodiment shown in the second figure has a road partition structure consisting of a partition block 1 and a base block 2 having the same configuration as the first embodiment. 5B with an elastic spacer material 13 interposed therebetween, and the elastic spacer material 13 is attached and fixed to the front wall 5A and the rear wall 5B by a pair of connecting bolts 14 which are individually protruded. 1 are elastically connected in a chain via an elastic interlayer 13. According to the second embodiment shown in the drawings, a plurality of block groups are interlocked and displaced sideways by the external collision force of the vehicle, so that the ability to absorb and alleviate the collision force is further improved.

Next, the embodiment shown in FIG. 3 is applied to a partition between a roadway and a sidewalk, and the partition block 1 has an elongated block shape.

Further, the embodiment shown in FIG. 4 is an embodiment in which a guardrail 15 is erected on the division block 1 and is applied as a road division with a guardrail.

"Effects of the Invention" As explained above, the road partition structure using block members of the present invention is characterized by a flexible structure in which a group of partition blocks is mounted on the upper surface of the base block 2 so as to be able to slide sideways. It has the ability to absorb shock in the event of a collision or collision, which prevents injuries and accidents from becoming too severe, and also prevents unnecessary damage to road blocks.Furthermore, in the event of an emergency, it is possible to easily separate blocks from each other. It has great effects, such as making it possible to remove it and secure a usable road surface.

[Brief explanation of the drawing]

Figure 1: Shows the road division structure of the first embodiment of the present invention, A is its front view, B is a central sectional view of A, Figure 2: Shows another embodiment of the present invention, A is its front view. Figures 3 and 4 are central sectional views of other embodiments of the present invention. Main symbols: 1: Partition block, 2: Base block, 3: Recessed part, 5: Barrier bank, 6A, 6B: Side wall, 7: Placement part, 8: Side sliding space, 10: Road surface, 11: Water collection hole , 12: Drainage channel, 13: Elastic interlayer, 15: Guardrail.

Claims (1)

[Claims for Utility Model Registration] (1) Consists of a combination of a base block that is buried and fixed in the road, and a division block that is mounted on the base block, and the upper surface of the base block has a flat recess that continues in the longitudinal direction. A raised barrier bank is formed on both sides of the concave part, and a placing part is provided at the bottom of the division block, and the placing part is placed in the concave part, and the placing part is placed on the concave part. A road partition structure using block members characterized by a flexible structure in which a side sliding space of the partition block is provided between the side edge of the partition block and the barrier embankment. (2) A road partition structure using block members according to claim (1) of the utility model registration, in which a group of partition blocks are placed in a row on a base block, and adjacent partition blocks are chain-connected via an elastic spacer. .