KR102077421B1 - Furring strip having groove filling bolt and construction method of the same - Google Patents

Abstract

The present invention makes it easy to fill the grooves generated between the thumb pile and the girdle during construction of the retaining wall with the grooved bolt installed in the girdle, and spherical coupling is applied to the support structure of the grooved filling bolt to correspond to the installation angle of the earth anchor. In order to provide an optimal anchoring force to provide a belt length and a construction method thereof having a groove filling bolt to be installed.
In accordance with a preferred embodiment of the present invention, the belt is inclined to the thumb pile of the retaining wall and is used to transmit earth pressure acting on the thumb pile to the earth anchor, wherein the upper flange, the lower flange and A belt main body having an abdomen and forming a slot for installing a grooved bolt in a double row at regular intervals on the lower flange; A plurality of groove filling bolts, one end of which is connected to the belt main body through a slot for installing a grooved bolt and installed to adjust a protruding length from the belt main body in response to a gap amount of a groove formed between the belt main body and the thumb pile; At least one groove filling bolt fixing plate connected to the other end of the groove filling bolt and fixed to the thumb pile; It is characterized in that it comprises a; fixing nut for fixing the groove filling bolt positionally adjusted to the strip body by screwing one pair to the groove filling bolt.

Description

Furring strip having groove filling bolt and construction method of the same}

The present invention relates to a belt sheet having a grooved bolt and a construction method thereof, and in particular, to facilitate the filling of the grooves generated between the thumb pile and the strip during construction of the retaining wall with a grooved bolt installed in the belt, and supporting the grooved bolt A spherical coupling is applied to the structure, and the present invention relates to a belt having a groove-filled bolt and a construction method thereof so that the belt can be installed so that the anchoring force is optimally exhibited in response to the installation angle of the earth anchor.

The retaining wall is constructed to prevent the earth and sand from collapsing during the excavation work at the civil construction site. At this time, the strut method or the earth anchor method is selectively used in order to prevent the soil wall from falling down. Here, the anchor anchor method is a method of supporting the earth pressure by the tensile force by forming the anchor body on the back of the earth wall, anchors to use the tension member to transmit the force into the soil or rock. At this time, a belt is installed in the thumb pile side of the earth wall to fix the head of the earth anchor. However, when the thumb pile is irregularly arranged after construction, irregular gaps (grooves) are generated between the thumb pile and the belt strip, and groove filling steels (angles, steel sheets, H-shaped steels, etc.) are installed to fill the grooves. . At this time, the grooved steel is difficult to be specified because the groove gap between the thumb pile and the strip of the corresponding position is different, it is difficult to actively correspond to the inclination angle of the strip according to the installation direction of the earth anchor, and the welding installation work is difficult. .

As a background technology of the present invention, Korean Registered Patent Registration No. 10-1677811 has been proposed, "Anchor ground sole steel strip structure and its construction method of earth retaining support." This is made of steel facing each other, and then used to connect gap plates for stiffener replacement, pressure plate and anchor tension part fixing device, shaft support part fixing device, and shaft bolt combined grooving brackets. Removable earth anchor belt structure of earth retaining support that can be used repeatedly by assembling spacer, which enables reuse of angle bracket and groove filling steel, and makes it easy to assemble and install angle bracket and groove filling will be.

However, the background art is that the two bands should be installed facing the rear, additionally installed spacers according to the groove spacing to the grooved mounting bracket, additional coupling to combine the grooved mounting bracket to the belt through the shaft bolt and the fixing device Groove filling work is complicated by the installation work, there is a problem that a lot of fastening parts.

As another technology that is the background of the present invention, Korean Patent Registration No. 10-1364227 has been proposed, 'Zarara Jack for home filling between the wall and the strip.' It is equipped with an upper open plastic case structure that can be expanded and contracted and inserted into a narrow space between the wall and the strip, and then filled with concrete, thereby filling the space between the wall and the strip simply and easily. In addition, when the space between the earth wall and the strip is large, the bellows jack can be connected to each other by using a large number of spaces, so that the space between the earth wall and the strip can be accommodated to fill all the different space. However, the background art has a problem that requires a separate concrete filling and curing time according to the bellows jack installation.

Korea Patent Registration No. 10-1677811 Korea Patent Registration No. 10-1364227

The present invention makes it easy to fill the grooves generated between the thumb pile and the girdle during construction of the retaining wall with the grooved bolt installed in the girdle, and spherical coupling is applied to the support structure of the grooved filling bolt to correspond to the installation angle of the earth anchor. It is an object of the present invention to provide a belt strip having a groove filling bolt and a construction method thereof so that the belt strip can be installed to optimally exert the anchor force.

The belt-length having the grooved bolt according to the preferred embodiment of the present invention includes a belt-shaped body having an upper flange, a lower flange, and an abdomen with an H-shaped cross section, and forming a hole for installing the grooved-bolt bolt in a double row at regular intervals on the lower flange; ; A plurality of groove filling bolts, one end of which is connected to the belt main body through a slot for installing a grooved bolt and installed to adjust a protruding length from the belt main body in response to a gap amount of a groove formed between the belt main body and the thumb pile; At least one groove filling bolt fixing plate connected to the other end of the groove filling bolt and fixed to the thumb pile; A fastening nut is fixed to the slotted body by a pair of screwed in the slotted bolt to fix the grooved bolt positioned on the stripe body, and the slotted bolt is connected to the bolted stiffener connected to the upper flange of the stripe body. Is connected to, so that the movement adjustment of the groove filling bolt is made according to the rotation operation direction of the coupling coupler, the groove filling bolt fixing plate is provided with a hemisphere groove; The groove filling bolt is formed of a bolt body having a hexagonal cross section, a hinge ball formed at one end of the bolt body and spherically coupled to the hemisphere groove, and formed at the other end of the bolt body so as to be fastened to a fixing nut fastening screw portion to which a fixing nut is fastened. do.

delete

In addition, the grooved bolt fixing plate is provided with a ball nut that is spherically coupled; The groove filling bolt is composed of a bolt body having a hexagonal cross section, a ball nut fastening screw portion formed at one end of the bolt body and screwed to the ball nut, and a fixed nut fastening screw portion formed at the other end of the bolt body to fasten a fixing nut. It is characterized by.

In addition, the groove filling bolt is characterized in that it is connected by screwing to the tilting nut that is inclined to the groove filling bolt fixing plate.

In addition, the groove filling bolt is connected to the bolt type stiffener bonded to the upper flange of the belt body via the screw coupling of the coupling coupler, characterized in that the movement of the groove filling bolt is adjusted according to the rotation operation direction of the coupling coupler. do.

In addition, an earth anchor tension member installation hole is further formed in each of the positions where the earth anchor is installed in the strip body to accommodate the adjustment of the installation position of the earth anchor. It is characterized in that a plurality of horizontal reinforcing plate joined to the lower flange is installed.

In addition, the horizontal anchor hole for installing the anchor anchor is characterized in that it is formed in a single shape through the abdomen of the belt body.

In addition, the horizontal anchor hole for installing the earth anchor tension member is characterized in that formed in two rows by making the abdomen of the strip body main body symmetrical.

In addition, a plurality of vertical reinforcing plates joined to the upper and lower flanges on the slotted side for installing the groove filling bolt is further characterized in that it is installed.

On the other hand, the construction method of the strip length having the groove filling bolt according to the present invention, the step of pre-assembling the groove filling bolt connected to the groove filling bolt fixing plate on the strip body; Lifting the belt main body to support and support it on a belt bracket installed on the thumb pile; Adjusting the position of the grooved bolts to bring the grooved bolt fixing plate into close contact with the thumb pile to weld the grooves; After adjusting the position of the groove filling bolt according to the groove spacing between the belt and the thumb pile to adjust the installation posture of the belt body, tightening the fixing nut to firmly fix the groove filling bolt to the belt body; It is characterized by.

In addition, the position adjustment of the groove filling bolt is characterized in that made through the rotation operation of the coupling coupler for screwing the belt-shaped stiffener and the groove filling bolt.

According to the belt strip having the grooved bolt of the present invention and a construction method thereof, groove filling can be easily performed corresponding to the groove spacing generated between the thumb pile and the strip length by adjusting the protruding length of the grooved bolts installed in the belt length. have. In addition, the groove filling bolt is ball-coupled (spherical coupling) through the groove filling bolt fixing plate is installed so that the inclination can be adjusted in any direction, the anchoring force can be optimally exhibited in response to the installation angle of the earth anchor. In addition, the application of the grooved bolt has the advantage that difficult welding work of the grooved steel as in the prior art is eliminated. In addition, the position between the centers of the earth anchors can be easily adjusted by means of the earth anchor tension member installation holes formed in the belt length at regular intervals.

The following drawings attached in this specification are illustrative of the preferred embodiments of the present invention, and together with the detailed description of the invention serves to further understand the technical spirit of the present invention, the present invention is only to the matter described in the accompanying drawings It should not be construed as limited.
1 is an installation state of the strip having a groove filling bolt according to the present invention.
FIG. 2 is a front view in a state where the belt length applied to FIG. 1 is installed. FIG.
3 is a plan view of FIG.
Figure 4 is a perspective view of the strip length applied to Figure 1;
5 is a side cross-sectional view of FIG.
Figure 6 is a state in which the coupling coupler is additionally installed in the groove filling bolt shown in FIG.
7 is a cross-sectional view taken along the line AA of FIG. 2.
8 is a coupling state of the groove filling bolt and the groove filling bolt fixing plate of one embodiment applied to the present invention.
9 is a coupling state of the groove filling bolt and the groove filling bolt fixing plate of another form applied to the present invention.
Figure 10a and Figure 10b is a configuration diagram of a variety of arrangements for the anchor anchor tension member installation hole is installed on the strip body side earth anchor applied to the present invention.
Figure 11 is a perspective view of another embodiment of the grooved bolt fixing plate applied to the present invention.

In the following the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the embodiments presented are exemplary for a clear understanding of the present invention is not limited thereto.

The strip 100 according to the present invention is supported to be inclined to the thumb pile 12 of the retaining wall is used to transmit the earth pressure acting on the thumb pile 12 to the earth anchor 200. In particular, the strip 100 is a non-uniform alignment and posture of the thumb pile 12 installed at regular intervals during the construction of the wall wall so as to fill the gap in response to the gap change between the groove and the corresponding thumb pile 12 It is configured.

1 to 6, the strip 100 has a strip main body 110 having an upper flange 111, a lower flange 112 and the abdomen 113 by the H-shaped cross section. The strip body 110 may have a unit length, but may be used by cutting the unit length according to the site conditions, or may be connected to the upper and lower flanges 111 and 112 by bolted joints to be connected longer than the unit length. Can be.

In addition, the strip main body 110 is formed in the lower flange 112 is a long hole 112a for installing the groove filling bolt in a double row at regular intervals. The slotting hole 112a for installing the grooved bolt is for installing the grooved bolt 130 or 130a to be described later. The slotting hole 112a for installing the filling groove bolt is formed to be long so that the mounting position of the filling groove bolt 130 or 130a may be adjusted in correspondence with the mounting position of the thumb pile 12.

The strip body 110 may prevent the cross-sectional loss caused by the groove filling bolt installation long hole 112a through the plurality of vertical reinforcing plates 115. The plurality of vertical reinforcing plates 115 are joined to the upper and lower flanges 111 and 112 and installed at right angles to the abdomen 113.

A plurality of groove filling bolts 130 are installed in the belt-shaped body 110. The groove filling bolt 130 has one end installed in the belt main body 110 so that the length of the protrusion from the belt main body 110 is adjusted in response to the gap amount of the groove formed between the belt main body 110 and the thumb pile 12. It is installed as possible. In the present embodiment, the groove filling bolt 130 is installed through the groove filling bolt mounting hole 112a formed in two rows on the lower flange 112 of the strip body 110. In this case, the plurality of groove filling bolts 130 may have the same length, but since the earth anchors 200 are installed inclined in an inclined manner, when the groove filling bolts are installed in two rows as shown in FIGS. It is desirable to shorten and lengthen the installation in a location where the groove filling interval is wide.

As shown in FIG. 8, the groove filling bolt 130 has a hemispherical groove 121 formed at one end of the bolt body 131 having a hexagonal cross section and the bolt body 131 and formed at the groove filling bolt fixing plate 120 to be described later. The hinge ball 132 is spherically coupled to the other end of the bolt body 131 may be formed of a fixing nut fastening screw portion 133 to which the fixing nut 140 is fastened.

Therefore, the grooved filling bolt 130 is fastened to the pair of fixing nuts 140 fastened to the fastening screw portion 133 after the fastening screw portion 133 is inserted into the slotted body mounting hole 112a for the slotted main body 110 side. It is fastened to the belt main body 110 is firmly installed. At this time, the installation position of the groove filling bolt 130 is adjusted according to the fastening position of the pair of fixing nuts 140.

The groove filling bolt 130 is connected to one or more groove filling bolt fixing plates 120 fixed to the thumb pile 12 at the other end. The groove filling bolt fixing plate 120 is provided with a hemisphere groove 121 in which the hinge ball 132 of the groove filling bolt 130 is spherically coupled (ball coupled). Therefore, the groove filling bolt 130 may have a free coupling angle with respect to the center of the hemisphere groove 121 in the groove filling bolt fixing plate 120, so that the installation angle of the strip 200 is easily corresponded to the earth anchor 200. You can change it.

In order to prevent the hinge ball 132 of the groove filling bolt 130 from being separated from the hemisphere groove 121, the groove filling bolt fixing plate 120 may be further installed on the groove filling bolt fixing plate 120 as shown in FIG. 8. have.

On the other hand, as shown in Figure 6, the groove filling bolt 130 may be configured by connecting the screw coupling of the coupling coupler 152 to the bolt-shaped stiffener 150 bonded to the upper flange 111 of the strip body 110. have. Therefore, it is possible to adjust the movement of the groove filling bolt 130 or 130a through the screw coupling in accordance with the rotation operation direction of the connection coupler 152. Of course, after adjusting the movement of the groove filling bolt 130 or 130a by tightening a pair of fixing nuts 140 to be firmly fixed to the strip body (110).

At this time, the coupling coupler 152 and the bolt-shaped stiffener 150 connected to the grooved bolt 130 or 130a also serve to distribute the bearing force received by the grooved bolt 130 or 130a to the strip body 110 together with the reinforcement function. To perform.

On the other hand, as shown in Figures 4 and 7, the earth anchor tension member formed by cutting long in the horizontal direction to accommodate the adjustment of the installation position of the earth anchor 200 for each position where the earth anchor 200 is installed in the strip body (110) An installation hole 112b may be further formed.

At this time, it is preferable that a plurality of horizontal reinforcing plates 117 joined to the upper and lower flanges 111 and 112 around the earth anchor tension member installation hole 112b. Therefore, the periphery of the earth anchor tension member installation hole (112b) is reinforced with a plurality of horizontal reinforcing plate 117 can fill the cross-sectional loss generated in the strip body (110).

Here, as shown in FIGS. 4 and 10A, the earth anchor tension member installation hole 112b may be formed in a single shape through the abdomen 113 of the strip body 100. Also, as shown in FIG. 10B, the earth anchor tension member installation hole 112b may be formed in two rows by making the abdomen 113 of the strip body 110 symmetrical.

The construction method of the strip | belt length which has the grooved bolt comprised in this way is demonstrated.

First, as shown in FIG. 4, the groove filling bolt 130 connected to the groove filling bolt fixing plate 120 is temporarily assembled with the fixing nut 140.

Next, as shown in FIG. 5, the strip main body 110 is lifted and supported on the strip bracket 14 installed on the thumb pile 12.

Then, by adjusting the position of the grooved bolt 130 is welded to the grooved bolt fixing plate 120 to be in close contact with the thumb pile 12.

Then, by adjusting the position of the groove filling bolt 130 according to the groove spacing between the strip 100 and the thumb pile 12 to adjust the installation posture of the strip main body 110. At this time, the inclined installation posture of the belt body 110 is adjusted according to the position adjustment of the groove filling bolt 130, and is installed to be supported by the belt bracket 15.

Here, the adjustment of the position of the groove filling bolt 130 is made through the rotation operation of the coupling coupler 152 for screwing the bolt-shaped stiffener 150 and the groove filling bolt 130 as shown in FIG. Can be.

Thereafter, the fixing nut 140 is tightened to firmly fix the groove filling bolt 130 to the strip main body 110, thereby completing the installation of the strip main body 110.

Then, the earth anchor 200 is installed as shown in FIG. This inserts the tension member 202 through the earth anchor installation hole 112b formed in the strip 100, inserts the tension member 202 into the perforation hole to be formed in the wall, and fixes the tip. Then, the pressure plate 204 is exposed to the tension member 202. It is made by being fixed to the anchor head 206 positioned on the acupressure plate 204 after being brought into close contact with the strip main body 110 at the end.

On the other hand, as shown in Figure 9, the groove filling bolt fixing plate 120 is provided with a ball nut 125 that is spherically coupled to another groove filling bolt 130a can be connected. At this time, the deformed groove filling bolt (130a) is formed on one end of the bolt body (1301) having a hexagonal cross section, the bolt body 1301, the ball nut fastening screw portion (1302), which is screwed to the ball nut 125, bolt It is formed on the other end of the body 1301 and may be composed of a fixing nut fastening screw portion 1303 to which the fixing nut 140 is fastened.

Here, as shown in FIG. 11, the groove filling bolt 130a may be connected to the tilting nut 126 that is inclinedly joined to the groove filling bolt fixing plate 120 by screwing.

So far, the present invention has been described in detail with reference to the presented embodiments, but those skilled in the art may make various modifications and modifications without departing from the technical spirit of the present invention with reference to the presented embodiments. will be. The present invention is not limited by these modifications and variations, but only by the claims appended below.

100: Sash
102: horizontal anchor for earth anchor tension material installation
110: strip body
112a: Long hole for homefill bolt installation
120: grooved bolt fixing plate
130,130a: Homefill bolt
140: fixing nut
150: bolt type stiffener
152: coupler

Claims (11)

delete In the belt 100, which is inclined to the thumb pile 12 of the retaining wall and used to transmit the earth pressure acting on the thumb pile 12 to the earth anchor 200,
H-shaped cross-section main body 110 having an upper flange 111, a lower flange 112 and the abdomen 113, and formed in the lower flange 112 a slot for mounting the groove filling bolts 112a in a row at regular intervals. )Wow;
One end is connected to the belt-shaped body 110 through a slot for mounting a grooved bolt 112a and protrudes from the belt-shaped body 110 in response to the gap amount of the groove formed between the belt-shaped body 110 and the thumb pile 12. A plurality of grooved bolts 130 or 130a installed to adjust the length;
At least one groove filling bolt fixing plate 120 connected to the other end of the groove filling bolt 130 or 130a and fixed to the thumb pile 12;
A fixing nut 140 which is screwed to the groove filling bolt 130 or 130a by a pair to fix the groove filling bolt 130 positioned on the strip-shaped body 110 is included.
The groove filling bolt 130 is connected to the bolt type stiffener 150 bonded to the upper flange 111 of the strip body 110 via a screw coupling of the coupling coupler 152 to rotate the coupling coupler 152. To adjust the movement of the groove filling bolt 130 according to the direction, the groove filling bolt fixing plate 120 is provided with a hemisphere groove 121;
The groove filling bolt 130 is formed at one end of the bolt body 131 having a hexagonal cross section, the bolt body 131, and the other end of the hinge ball 132 and the bolt body 131 that are spherically coupled to the hemisphere groove 121. Longitudinally formed in the belt having a groove filling bolt, characterized in that consisting of a fixing nut fastening screw portion 133 is fastened to the fixing nut 140. The method of claim 2,
The grooved bolt fixing plate 120 is provided with a ball nut 125 which is spherically coupled;
The groove filling bolt 130a has a bolt body 1301 having a hexagonal cross section, a ball nut fastening screw portion 1302 formed on one end of the bolt body 1301, and screwed to the ball nut 125, and a bolt body 1301. Longitudinally formed on the other end of the) long belt having a groove filling bolt, characterized in that consisting of a fixing nut fastening screw portion 1303 is fastened to the fixing nut 140. The method of claim 2,
Grooving bolt (130a) is a belt having a groove filling bolt, characterized in that connected to the tilting nut 126, which is inclined to the groove filling bolt fixing plate 120 by screwing. delete The method of claim 2,
An earth anchor tension member installation hole 112b is further formed to be horizontally cut in a horizontal direction so as to accommodate adjustment of the installation position of the earth anchor 200 at each position where the earth anchor 200 is installed in the strip body 110. And a plurality of horizontal reinforcing plates 117 joined to the upper and lower flanges 111 and 112 around the earth anchor tension member installation hole 112b. The method of claim 6,
Earth anchor tension member installation hole (112b) is a strip having a groove filling bolt, characterized in that formed in the unitary through the abdomen 113 of the strip body 100. The method of claim 6,
Earth anchor tension member installation hole (112b) is a strip having a groove filling bolt, characterized in that formed in two rows symmetrical the abdomen 113 of the strip body 110. The method of claim 2,
A groove having bolts for groove filling bolts, characterized in that a plurality of vertical reinforcing plates (115) joined to the upper and lower flanges (111, 112) are further provided on the side of the slot (112a) for installing the groove filling bolts. delete Pre-assembling the groove filling bolt 130 or 130a connected to the groove filling bolt fixing plate 120 to the strip body 110 using a fixing nut 140;
Lifting and supporting the belt-shaped body 110 on the belt-shaped bracket 14 installed on the thumb pile 12;
Adjusting the position of the grooved bolts 130 or 130a to bring the grooved bolt fixing plate 120 into close contact with the thumb pile 12 to weld the grooves;
After adjusting the installation posture of the belt-length main body 110 by adjusting the position of the groove-filling bolt 130 or 130a according to the groove gap between the belt-length 100 and the thumb pile 12, tightening the fixing nut 140 to tighten the groove And firmly fixing the bolt 130 or 130a to the belt-shaped body 110.
Position adjustment of the groove filling bolt (130 or 130a) is made through the rotation operation of the coupling coupler 152 for screwing the bolt-shaped stiffener 150 and the groove filling bolt (130 or 130a) side of the belt body 100 The construction method of the strip | belt length which has a groove filling bolt made into.

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