KR20140014309A

KR20140014309A - Structure for supporting guard rail and constructing method thereof

Info

Publication number: KR20140014309A
Application number: KR1020140005483A
Authority: KR
Inventors: 이광영
Original assignee: 이광영
Priority date: 2014-01-16
Filing date: 2014-01-16
Publication date: 2014-02-05

Abstract

The present invention relates to a structure for supporting the guard rail (100), and installs a plurality of auxiliary struts in the ground having strong ground at the side of the road, and connects the auxiliary struts and the struts with a connecting member to connect the vehicle to the guard rail. It provides support structure and construction method of next generation collision energy absorption type guard rail which absorbs collision energy effectively while struts move in the direction of vehicle exit as set distance without colliding or falling down during collision.
According to the present invention, by attaching the anti-folding panel to the support attaching member attached to the support and the attaching member attaching to the support, the support and the support support are prevented from being bent, and the connection between the support support and the support attaching member is supported. It prevents the struts from falling out by inserting the coil spring into the strut attachment member and absorbs the collision energy while moving the strut in the direction of vehicle collision without collapsing or falling in case of collision of the vehicle. It is effective in preventing fall accidents and reducing human injury.

Description

Guard rail support structure and construction method {STRUCTURE FOR SUPPORTING GUARD RAIL AND CONSTRUCTING METHOD THEREOF}

The present invention relates to a support structure for supporting the guard rail 100, a plurality of auxiliary struts are installed in the ground with strong ground at the side of the road, and the auxiliary struts and the struts are connected to each other by a connecting member to the vehicle. Provided is a support structure for a next generation collision energy absorption type guard rail in which the pillars do not bend or fall during the collision and effectively absorb the vehicle collision energy by a set distance, and a construction method thereof.

In general, a guard rail guides a vehicle to safety on a road and prevents a vehicle from leaving the road due to an accidental situation or a driver's carelessness while driving, thereby suppressing the occurrence of a safety accident.

As shown in Figure 1, such a guard rail is installed on the shoulder of the road, but is installed by connecting the pillars to the ground at regular intervals, the wire rope or bent guard plate to the pillar is formed.

However, when the road side is located on the inclined surface or vertical surface, there is a problem that the support of the landslides of the fill portion is weakened so that the landslides fall off the road when the vehicle collides.

The above problems were so severe that the data submitted by the Korea National Highway Corporation in a national audit on September 7, 2010 reported that 90 percent of the guardrails of domestic highways are inadequate guardrails and are unprotected from falling accidents.

Efforts have been made to install the reinforcement plate 111 on the support or insert the reinforcement pipe in the support pipe as a solution to the above problems. However, if the support force of the support is strongly reinforced, the collision energy increases when the vehicle crashes. Another problem arises that increases bending, vehicle damage, and casualties.

In other words, if the guard rail is strong, the vehicle crash can be prevented, but when the vehicle crashes, the collision energy cannot be absorbed, resulting in a great damage to the vehicle and human life.If the guard rail is weak, the collision energy is absorbed but the two-sided problem cannot be prevented. There is no effective means to solve the above problems.

In order to solve the above problems, a strong and shock-absorbing guard rail support structure is required.

The present invention has been made in order to solve the above problems, the present invention, the propagation of the vehicle during the collision of the vehicle to maintain the vertical state and moving in the direction of the collision of the vehicle absorbs the collision energy to prevent human injury and fall of the vehicle It is to provide a supporting structure and construction method of the next generation collision energy absorption type guard rail to prevent accidents.

In order to solve the above technical problem, the present invention, a plurality of auxiliary support 90 is installed so as to have a predetermined interval inside the ground is strong ground on the side of the road; Shoring attachment member 80 for attaching the left side of the auxiliary support (90) and the connecting table (710); Shoring attachment member 50 for attaching the right and the support 110 of the connecting rod 710; The strut attachment member 50 and the strut combine to prevent bending of the strut, and provide a support structure for the strut which absorbs collision energy during a collision of the vehicle and a construction method thereof.

In addition, the coil spring 518 is embedded in the attachment member 50 attached to the support, so that the collision energy is effectively absorbed when the vehicle crashes.

That is, the anti-folding panel 517 is attached to the support attaching member 50, and the coil spring 518 is built in the support attaching member 50 so that the support spring is supported by the tension force of the coil spring in the state in which the support does not fall or bend when the vehicle collides. The strut moves in the direction of collision and absorbs collision energy.

In addition, the upper and lower horizontal members 510 of the strut attachment member are machined with rectangular through holes 515 and 516, and fixed in connection with the connecting rod 710 moving along the processed through grooves 515 and 516. Stop keys 713 and 714 are formed so that the props move in the vehicle collision traveling direction in accordance with the width of the through grooves 515 and 516, and the length of the coil spring * 518 is also proportional. You can configure it.

The invention described above has a structure in which the guard rail can be installed by using the present invention even on a cliff or a vertical surface where there is no space for the guard rail.

According to the present invention, by reinforcing or installing the guard rail by the supporting structure and construction method of the guard rail of the present invention, it is possible to reduce the cost of re-installing the inadequate guard rail, and the prop is in the direction of the vehicle collision in the event of a collision of the vehicle on the guard rail The impact energy is absorbed while moving by the distance set to reduce the casualty, and the props are not bent or fallen, thereby preventing the fall accident.

1 and 2 show a conventional guard rail.
2 shows a conventional support structure.
3 and 4 show a support structure and an embodiment of the guard rail according to the present invention.
5 and 6 show the guard rail support structure and the collision embodiment according to the present invention.
7 to 12 show a connecting member according to the present invention.
Figure 13 shows an example of the installation of the support structure and the connecting member of the guard rail.
14 shows a method of installing the supporting structure and the connecting member of the guard rail.
15 to 17 show another embodiment according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described the configuration and construction method of an embodiment according to the present invention.

In order to achieve the above object, the present invention provides a plurality of auxiliary struts 90 which are erected at regular intervals in the ground having strong ground; Auxiliary strut attachment member 50 for connecting the auxiliary strut and the connecting portion 70 is included.

The connecting members all use metal materials.

The support attaching member 50 has a connecting rod attaching member 510 and a cover 530 coupled by a bolt 535, and coils into a member hole hole 523 in the horizontal direction of the connecting attaching member 510. The spring 518 is coupled and configured by the bolt 521.

The connecting portion 70 is configured by processing a square pipe whose inner surface has formed a pupil hole.

Hereinafter, the configuration and construction method according to an embodiment of the present invention specifically includes the following steps.

(a) processing the strut attaching member 50, the connecting portion 70, the auxiliary strut attaching member 80, and the auxiliary strut 90;

(b) fixing the connecting rod attachment member 510 processed in the step (a) with the connecting portion 70;

(c) fixing the connecting part attachment member 510 manufactured in the step (b) with the connecting part 70;

(d) fixing the connecting part 70 and the auxiliary support attaching member 80 coupled to the connecting table attaching member 510 in the step (c);

(e) installing the connecting rod attachment member 70 and the auxiliary support attachment member 80 fixed to each other in step (d) into the ground;

(f) fixing the connecting rod attachment member 510 and the support 110 among the connection members installed in the step (e);

(g) fixing the auxiliary strut attachment member 80 and the auxiliary strut 90 installed in the step (f);

(h) In the step (e) it consists of the steps of repairing the part cut in the ground and completing the construction.

In the step (a), the step of processing the holding member 50; The strut attachment member 50 is configured to connect the strut 110 and the connection portion 70.

The strut attachment member is divided into a repair and a new construction, and the repair includes a connecting rod attachment member 510 and a cover portion 530, and a coil spring (6) inside the horizontal member 513 of the connecting rod attachment member 510. 518 is installed and configured.

In the new installation, the transverse member 513 and the longitudinal cylindrical member 812 are welded to each other, the anti-folding panel 517 is attached to the angled portion, and the coil spring ( 518 is installed and configured.

The transverse member 513 of the connecting rod attachment member 510 for repair is composed of a square pipe having an inner surface of the hole formed therein, and the longitudinal member 517 has a semi-cylindrical shape at its center, and both wings have a support 110. The attachment portion 512 is tightly fixed to the attachment portion 512, and the attachment portion 512 processes the bolt hole 533, which is an attachment portion of the attachment portion 512 and the lid portion 530 of the connecting rod attachment member 510. At step 532, the contact points are horizontally attached to each other and fixed in a bolt 535.

The horizontal member 510 and the vertical member 511 are perpendicular to each other, and are first attached by welding, and then, in the angled portion between the horizontal member 513 and the vertical member 511, the length is from 3 mm to 20 mm. The triangular anti-folding panel 517 in advance is attached by welding.

Rectangular through holes 515 and 516 penetrate the upper and lower portions of the horizontal member 513 in conjunction with the latter half, and the through holes 515 and 516 are bolts to be fixed to the connecting table 710. It is configured to set and limit the distance that the strut attachment member 50 moves in conjunction with 713 and 714.

A bolt hole 514 penetrates the rear half of the horizontal member in front of the horizontal member, and the bolt hole 514 fixes one end of the coil spring 518 in the interior of the horizontal member 513. It is configured to

The cover portion 530 has a semi-cylindrical center portion 511, and forms an attachment portion 532 in which both wings are tightly fixed to the support 110, and processes the bolt hole 533 in the attachment portion 532. .

Cover portion 530 central portion 511 semi-cylindrical outer surface of the trapezoidal shape of the trapezoidal shape of 3mm to 20mil vertically is attached by welding to prevent the props to bend.

In the step (a), the step of processing the connection portion 70; The connecting portion is processed to connect the strut attaching member 50 and the auxiliary strut attaching member 80, and the horizontal member 820 of the auxiliary strut attaching member 80 and the transverse member of the strut attaching member 50 ( The inner diameter of the connecting portion 70 is larger than the outer diameter of the 513.

The connecting portion 70 is formed by processing a square pipe 710, the inside of which formed a pupil hole, the cutting groove 712 to process the cutting groove 712 in the shape of the (C) to the right end of the central portion of the connecting portion ( The 712 is configured to prevent the bolt 521 to be mounted on the horizontal member 513 of the strut attachment member from being caught.

Bolt holes 713 and 714 are machined into the upper and lower left portions of the left end of the cutout groove 712 about 30 mm from the left end of the cut groove 712, which is rectangular in the front upper and lower portions of the post attachment member 517. It is configured to act as a key to limit the movement of the holding attachment member in conjunction with the through grooves (515, 516).

The central portion of the connecting portion 70 is processed a bolt hole 715, which is configured to connect with the coil spring 518 embedded in the transverse member 513 of the strut attachment member.

The left side of the connecting portion 70 is processed a bolt hole 722, which is configured to engage with the auxiliary strut attachment member 80.

The upper and lower right portions and the lower left portion of the connecting portion 70 process a (c) -shaped incision groove, which is caught by the anti-folding panel vertically attached to the support attachment member 50 and the auxiliary support attachment member 80. Configure to prevent.

In the step (a), the step of processing the auxiliary strut attachment member 80; The auxiliary strut attachment member 80 is configured to connect the auxiliary strut 90 and the connection portion 70.

The auxiliary strut attachment member 80 is configured by welding the horizontal member 820 and the vertical member 810 at right angles to each other, and attaching the anti-fold panel 822 to the angled portions by welding.

The horizontal member 820 is configured by processing a square pipe formed with a pupil hole, and the vertical member 810 is configured by processing a square pipe and a circular pipe formed with a pupil hole.

The pupil hole of the longitudinal member 810 is configured to pass through the auxiliary strut, and the transverse member 820 has a pupil hole in the right side for fixing the connecting rod 710, but the member in the left direction is vertical. It is blocked by the directional member 810 to constitute.

In the step (a), the step of processing the auxiliary strut 70; The auxiliary support has a square pipe cover 911 and a circular panel cover 921 whose outer diameters are larger than the square pipe and the round pipe on the upper side of the square pipe 910 and the circular pipe 920, the inner surface of which forms the pupil hole 811. ) Is processed and attached by welding.

In the step (b), the step of fixing the coil spring 518 in the horizontal member (513) inside the connecting rod attachment member (510) produced in the step (a); The connecting rod attachment member 510 has a pupil hole formed in a left direction, and a coil spring 518 is inserted into the pupil hole and the front right center portion bolt of the horizontal member 513 processed in step (a). When the ball 514 and the coil spring right recessed hole 520 and the bolt 521 are fixed, the support attaching member 50 and the coil spring 518 are fixed while the coil spring left recessed hole 519 is exposed to the outside. .

In the step (c), the step of fixing the connecting rod attachment member (510) produced in the step (b) with the connection portion 70; Since the inner diameter of the connecting portion 70 and the connecting table 710 manufactured in the step (a) is larger than the outer diameter of the transverse member 513 of the connecting table attaching member 510, the connecting table is attached into the inside of the connecting table 710. Insert the horizontal member 513 of the member 510, and the horizontal member 513 of the bolt holes 713, 714 and the connecting rod attachment member 510 in the upper right and the lower right of the front surface processed in step (a). ) The rectangular through-holes 515 and 516 machined at the upper and lower sides of the front face are fixed with bolts 718 and 719 so as to interlock with each other, and the coil spring inlet hole 519 which extends toward the left side of the connecting rod attachment member 510 is formed. The bolt 717 is fixed to the connector 710 so as to be interlocked with the bolt hole 715 processed in the center.

When fixed as described above, the connecting table 710 is coupled to the coil spring 518 of the connecting part attachment member 510 through the bolt 717, at which time the connecting table 710 is fixed and the support attachment member 50 is moved to the right. As the coil spring 518 extends, the strut attachment member 50 moves to the right side, and the rectangular through holes 515 and 516 cast on the transverse member of the strut attachment member also move to the right side. The bolts 718 and 719 of the fixed connecting rod 710 are stopped.

Accordingly, the support attachment member 50 is prevented from being separated from the connecting table 710, and the width of the rectangular through-holes 515 and 516 and the length of the coil spring move in the collision progress direction when the vehicle collides. It becomes the setting distance to say.

In the step (d), the step (c) of fixing the connecting portion 70 and the auxiliary strut attachment member 80 coupled with the connecting rod attachment member (510); A bolt hole 711 is formed on the left front side of the connecting part 70 manufactured in the step (a), and a bolt hole 821 is also formed in the horizontal member 820 of the auxiliary support attaching member 80. Insert the horizontal member 820 of the auxiliary strut attachment member into the pupil hole of the connection portion 70, and interlock with the connection portion 70 bolt hole 711 and the auxiliary strut attachment member 80 bolt hole 821 Secure with bolts 722.

In the step (e), the step of installing the connecting rod attachment member (510), the connecting portion 70, the auxiliary strut attachment member (80) fixed to each other in the step (d) into the ground; In the case of a guard rail support that is conventionally installed, the support structure is installed by digging a support structure installation place by a ground cutting machine by selecting a place having strong ground as a place to install in combination with the support, and installing the combined support structure. The pupil hole of the longitudinal member 810 of the longitudinal direction of the ground, and the inner surface of the semi-circular portion 511 of the connecting rod attachment member 510 of the strut attachment member 50 should be installed to surround the strut.

The installation angle is preferably installed so that the auxiliary strut attachment portion, the connection portion, and the strut attachment portion are aligned at a vehicle collision prediction angle.

In the step (f), the step of fixing the connection attachment member 510 and the support of the support structure installed in the ground in the step (e); The connection attachment member 510 is attached to the support in conjunction with the cover portion 530 produced in step (a). The semi-circular portion 511 is formed in the middle of the connection attachment member 510, and both wing portions are attached to the attachment portion 512. The semi-circular portion 531 and both wing portions are also attached to the middle of the cover portion 530. A portion 532 is formed, and bolt holes 533 are formed in the attaching portions 512 and 532 so that the bolts may be formed through the bolt holes 533 formed in the attaching portion in such a way that the semicircular portions 511 and 531 surround the strut. 535), and bolts 150 to the support pillars 110 positioned at the upper and lower portions of the semicircular portions 511 and 531.

In the case of replacing or newly installing the post, it is preferable that the longitudinal member of the new post support member is configured as the cylindrical member 812.

In the step (g), into the pupil hole 811 of the auxiliary strut attachment member 80 and the longitudinal member 810 installed in the ground in the step (e), the auxiliary strut manufactured in the step (a) Put it in and install it with heavy equipment.

In the step (h), the installation is completed by filling and repairing with cement, concrete, sand, gravel, etc. in the ground incision in the step (e).

Accordingly, the support member of the present invention protrudes in the collision propagation direction of the vehicle when the transverse member 510 of the support attaching member, which enters into the connecting portion 70, when the vehicle collides, and thus, the coil spring right portion 520. Coupling with the transverse member, the left side 519 of the coil spring is attached to the bolt 718 of the connecting portion 70, so that the coil spring is stretched to absorb the collision energy, the transverse member 510 protrudes and moves At the same time, the end portions of the rectangular through grooves 515 and 516 processed in the transverse member 51 of the strut attachment member are caught by the bolts 718 and 719 attached to the connecting portion 70 and stopped. do.

In order to lengthen the moving distance of the transverse member, the length of the through grooves 515 and 516 may be increased, and the coil spring 518 may be processed and installed according to the length thereof.

As described above, in the present invention, since the props protrude in the collision progress direction when the vehicle collides, the props do not bend or fall, but absorb the collision energy while moving by the distance set in the direction of the vehicle collision propagation. It is possible to provide a next-generation collision energy absorption type guard rail support structure and construction method that have a protective effect.

100. Guard rail 110. Shoring
514, 533, 722, 713, 714, 715, 821.Bolt holes
150, 521, 535, 722, 717, 718, 719.bolt
517, 534, 822. Bend-resistant panel
513, 820. Horizontal member
810. Longitudinal member 50. Shoring attachment member 510. Connecting rod attachment member
70. Connection 80. Auxiliary strut attachment 518. Coil spring
530. Cover part 90. Auxiliary prop

Claims

A plurality of pillars 110 installed at a side of the road and having a predetermined distance therein, and having a lower portion embedded therein; Auxiliary support 90 is provided with a plurality so as to have a predetermined interval inside the ground on the side of the road; An auxiliary strut attachment member 80 for attaching the left side of the auxiliary strut 90 and the connection table 710; A strut attachment member 50 for attaching the right side of the strut 110 and the connecting rod 710; a stem 70 and a strut attaching member 50 for connecting the auxiliary strut attaching member 80 and the strut attaching member 50 to each other. A coil spring 518 embedded therein;

The auxiliary support 90 and the support 110 are connected to each other by the auxiliary support attachment member 80, the connection part 70, and the support attachment member 50 to the inside of the ground. Support structure and construction method characterized in that absorbing the collision energy while moving by a distance set in the collision progress direction

The coil spring 518 is inserted into the pupil hole 523 of the strut attaching member 50 and the transverse member 513, and the bolt hole 514 and the coil of the transverse member of the strut attaching member 50 are inserted. Guard rail support structure, characterized in that fixed to the bolt 521 in conjunction with the spring right recessed hole 520

The horizontal member 513 is inserted into the pupil hole 720 of the connecting rod 710, and the bolt hole 715 at the central portion of the connecting rod 710 and the left recessed hole 519 of the coil spring are formed. Guard rail support structure, characterized in that fixed by bolts 717 in conjunction

The method according to claim 1, wherein the through-holes 515 and 516 of the rectangular shape are machined by interlocking with the rear portion at the center upper and lower portions of the strut attachment member 50 and the transverse member 513, and rearward at the upper and lower portions of the connecting rod central portion. The bolt holes 713 and 714 are machined in conjunction with the part to insert the horizontal member 513 into the connecting hole of the connecting rod, and the connecting bolt bolt holes 713 and 714 and the horizontal member through hole are formed by the bolts 718 and 719. 515, 516 support structure, characterized in that for setting and limiting the distance that the prop moves by fixing with a nut

According to claim 1, wherein the strut 110 is not installed in the ground, it is connected to the strut attaching member 50, when the vehicle lateral member 513 of the strut attaching member 50 during the vehicle collision is connected to the connecting table ( 710) the support structure of the guard rail, characterized in that for moving by a distance set in the pupil hole 720

According to claim 1, wherein the auxiliary attachment member (80) is an inner surface of the square pipe made of a pupil hole, the horizontal square pipe 820 and the vertical square pipe 810 by (a) shape to combine by welding Support structure of the guard rail, characterized in that by attaching the anti-break panel 822 to the angled portion by welding

According to claim 1, wherein the inner surface of the auxiliary attachment member 80, the longitudinal circular pipe 812 and the transverse square pipe 820 having a pupil hole in the shape of (a) is joined by welding, angled Guard rail support structure characterized in that the anti-twist panel 822 is attached to the portion by welding

The method of claim 1, wherein the connecting attachment member 510 of the support attachment member is a horizontal member 513 is composed of a square pipe 513, the inner surface of which formed a pupil hole 523, the longitudinal member is The center is formed in the shape of a semi-cylindrical shape (511), a plurality of bolt holes 514 are formed in the blade-shaped attachment portion 512 and the attachment portion 512 on both wings, and is joined by welding in a (ㅓ) shape, Guard rail support structure characterized in that the anti-angle panel 517 is attached to the upper and lower angled portions by welding

The method of claim 1, wherein the cover portion 530 of the support attachment member is configured in the shape of a semi-cylindrical 531 in the center, a plurality of bolts on the straight attachment portion 532 and the attachment portion 532 on both wings. The support structure of the guard rail characterized in that the hole 533 is formed, and the anti-twist panel 534 is attached by welding in the vertical direction of the semi-cylindrical outer surface.

The cylindrical pipe according to claim 1, wherein the connecting member 510 of the support attaching member 510 is formed of a square pipe having a pupil hole 523, and the longitudinal member is formed of a cylindrical pipe. 550, a guard structure coupled to the welding by (형상) shape, and the anti-buckling panel 517 is attached to the upper and lower angled portions by welding.

According to claim 1, wherein the auxiliary support 90 is composed of a square pipe 910, the inside of which formed a pupil hole, the square pipe 910 is a square pipe 910 having an outer diameter larger than the outer diameter of the square pipe 910. ) Support structure of guard rail, characterized in that it is welded on top

The circular support 920 of claim 1, wherein the auxiliary support 90 is formed of a circular pipe 920 having a cavity formed therein, and a circular panel 921 having an outer diameter larger than an outer diameter of the circular pipe 920. ) Support structure of guard rail, characterized in that it is welded on top