KR101491747B1 - a precast structure for post connection - Google Patents

Abstract

The present invention relates to a precast structure for coupling a support. The precast structure is used to arrange an H-shaped support (100) which includes an intermediate connection member (130) arranged between two support members (110, 120) and vertical grooves on both sides of the intermediate connection member (130) on the upper surface of a base (200) to couple the H-shaped support with the upper surface. An open fixing groove (210) is formed on the upper surface of the base (200). The lower end of the support (100) is formed on the upper surface of the base (200). The intermediate connection member (130) on the lower end of the support (100) is fitted into the fixing groove (210) to be coupled together. The precast base is formed is a factory and is installed on a construction site to be coupled to the support. Accordingly, the present invention enables easy installation operation and reliably supports the support unit by fixing the lower end of the support inserted by a predetermined depth from the upper end of the precast base.

Description

A precast structure for post connection < RTI ID = 0.0 >

[0001] The present invention relates to a precast concrete structure for holding joints, and more particularly, to a precast concrete structure for supporting a precast concrete, The present invention relates to a precast structure for holding bridges that can be easily installed and secured with a stable fixing force by fixing a plurality of bridges at constant intervals while fixing the bridges to be embedded in a pre-cast base.

Generally, soundproof walls or soundproof tunnels installed on roads are installed on the edge of the road, consisting of a foundation structure standing along the road length direction, a support and a soundproofing plate.

The foundation structure may be a foundation concrete installed in the field or a precast structure manufactured and installed in a factory.

The precast structure is designed to meet the conditions of the site to be installed, and is manufactured in the factory, and then transported to the site and assembled.

As for the conventional art, Korean Patent Registration No. 10-1287487 "A method of installing a soundproof wall foundation structure using precast concrete segments was announced on July 19, 2013.

This is a fundamental structure for a sound barrier wall, comprising: a planarization step of planarizing a surface of a road surface or foundation structure; Drilling a hole in the planarized surface; A file setting step of inserting the file into the perforated hole, respectively; A supporter installing step of bringing a supporter passing above and below the file into close contact with a flattened floor surface to vertically position a file inserted in the hole; A file position adjusting step of injecting a chemical solution into the hole through a hole provided in the supporter so that the file is stably fixed in a vertical state to the hole during chemical solution curing; A supporter disassembling step of disassembling the supporter after the chemical hardening; A bracket mounting step of mounting brackets having horizontal surfaces on both sides of the pile exposed on the upper side of the foundation structure; A segment positioning step of lifting a segment formed with a guide groove on the bottom surface and placing the segment so as to be caught on the horizontal plane of the bracket while inserting the upper end of the file into the guide groove; A segment fixing step of injecting a chemical solution into the guide groove to couple the segment to the bracket; A segment bonding step of connecting and fixing the segment and the segment via a bonding plate provided at an end of the segment; Filling the space between the planar surface of the foundation structure and the installed segment with a filler; .

Korean Patent No. 10-1282770 entitled " Precast wall type base and method of construction thereof "has been published on Jul. 05, 2013.

This includes a precast foundation top having a horizontal cross section formed into a T-shaped cross section; A block body integrally formed at a lower portion of the precast foundation base, the block body having a longitudinally communicating hole extending in the longitudinal direction so as to open the bottom surface of the block body; A base file into which the head is inserted into the longitudinal communication hole; And an injection material injected into the vertical communication holes such that the foundation file and the foundation of the precast foundation can be integrated with each other, and a method of constructing the same.

That is, the pre-cast foundation upper part where the ground is cut, the foundation pile is constructed, the head is arranged, and the horizontal section is formed into the T-shaped section; And a block body integrally formed at a lower portion of the precast foundation upper portion, wherein the block body includes a lower portion of a precast foundation in the form of a hollow block having longitudinal communication holes extending in the longitudinal direction so as to open the bottom surface of the block body The prefabricated wall-walled bases are installed so that the base pile head portions are vertically inserted into the longitudinal communication holes so as to be in contact with each other in the longitudinal direction, and in the longitudinal communication holes, As shown in FIG.

Korean Patent No. 10-1346020 "Wall-type foundation using precast member" has been published on Jan. 15, 2014.

This relates to a wall-type foundation using a precast member that allows the load transferred to the foundation to be transmitted to the ground by a pile (pile), the foundation comprising: a file installed on the ground; A bottom plate having a receiving groove into which the pile head is inserted; And a vertical wall formed integrally with the bottom plate, wherein the vertical wall is formed between the concave grooves to form a T-shaped cross-section when the wall is cut in the longitudinal direction, A body portion having an upper horizontal beam portion on an upper portion of the column portion; . Thus, the load acting on the foundation can be effectively transmitted to the file.

Korean Patent No. 10-1363489 entitled " Soundproof Wall Foundation "has been published on Feb. 27, 2014.

This is because a large number of foundation piles are buried in a site with a piercing position of the ground; A base supporting device disposed on the ground to support the foundation pile while supporting the foundation pile for embedding the foundation pile; A plurality of wall posts correspondingly connected to the foundation piles one by one for mounting the wall; And an assembly module provided on the foundation pile and the wall column to assemble the foundation pile and the wall column to each other.

However, in the case of the above-described prior art, there is a problem in that it is difficult to install a structure for coupling a file or a support to a foundation structure.

In other words, since the bottom of the column is installed on the bracket coupled to the upper surface of the base structure when the column is installed on the upper surface of the base structure, the width of the base structure is required to be larger than the column, There is a problem that it must be set to a large value.

In addition, when the width of the foundation structure is narrowed, the durability of the support structure must be matched to the width of the foundation structure.

[Patent Document 1] Korean Patent Registration No. 10-1287487 Publication date July 19, 2013 [Patent Literature 2] Korean Patent Registration No. 10-1282770 Published Date Jul. 05, 2013 [Patent Document 3] Korean Patent Registration No. 10-1346020 Publication Date January 15, 2014 [Patent Document 4] Korean Patent Registration No. 10-1363489 Publication date February 27, 2014

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

SUMMARY OF THE INVENTION [0006]

first; The width of the foundation structure is not unnecessarily set to a large value when the support is installed on the top surface of the precast structure, and the precast foundation structure optimized for the external force is installed.

second; And the support joined to the upper surface of the precast structure is capable of supporting the external force of the support in the external force acting on the precast structure.

According to an aspect of the present invention,

A pre-casting structure for supporting a pillar in an upright position on an upper surface of a precast foundation, the precast structure having a vertical direction and a vertically open fixing groove formed on an upper surface of the precast foundation, The lower end of the intermediate connecting member of the strut is inserted into the fixing groove and the lower ends of the supporting members of the strut are engaged while supporting both sides of the precast foundation.

In addition, a coupling groove may be formed on both sides of the upper surface of the precast foundation so that the support members are closely contacted and fixed while being guided.

The floor bracket and the side brackets are coupled to the outside surface of the lower end portion of the support member so as to protrude outwardly. The end brackets and the side brackets are inserted into the coupling grooves, It can be tightly coupled so as not to protrude.

In addition, metal or synthetic resin reinforcing members may be coupled in a symmetrical manner so as to be in close contact with both inner walls and coupling grooves around the fixing groove and fix the lower ends of the pillars.

In the present invention, when the support for mounting the soundproof plate or the like is fixed to the upper surface of the pre-cast base, the lower end of the support post is vertically inserted into the upper surface of the precast foundation and both lower ends thereof support the front and back sides of the precast. Of course, the durability against external force is greatly increased.

Accordingly, since the width of the precast foundation structure can be optimized, the economic cost due to the reduction of the material cost can be greatly improved.

1 is an exploded perspective view of a precast structure for holding bridges according to a first embodiment of the present invention,
FIG. 2 is a perspective view and a coupled state sectional view showing a coupling process of FIG. 1,
3 is an exploded perspective view of another embodiment according to Figs. 1 and 2,
Fig. 4 is a perspective view showing the main part of Fig. 3,
Figure 5 is an exploded perspective view of another embodiment according to Figures 3 and 4,
6 is an exploded perspective view showing another embodiment of the anchor in Fig. 5, Fig.
Fig. 7 is an embodiment of fastening means for joining precast foundations and struts in Figs. 3 and 4,
8 shows another embodiment of Fig. 7,
FIG. 9 is an exploded perspective view showing a state in which a reinforcing member is joined to a fixing groove formed in a precast foundation in the embodiment of the present invention,
FIG. 10 shows another embodiment of FIG. 9,
Figure 11 is a further embodiment of the anchor of Figure 10,
12 is a perspective view showing an anchor and a coupling ring embedded in a precast foundation in an embodiment according to the present invention,
Fig. 13 is a perspective view of a cover-joined state in which the post is covered from the precast foundation in Figs. 6 and 10;
14 shows another embodiment of Fig. 13,
15 is a view showing an embodiment in which the appearance of the support according to the present invention can be changed according to the moment acting position,
Fig. 16 is a perspective view of the main part of the embodiment according to Fig. 15,
Fig. 17 is a main part perspective view according to another embodiment of Fig. 16; Fig.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention. do.

The present invention relates to a precast structure for strut connection for easily and stably coupling a strut (100) applied to a sound barrier to a precast foundation (200).

FIG. 1 is an exploded view of a first embodiment of a precast structure for holding bridges according to the present invention, and FIG. 2 shows a joining process of FIG.

1 and 2, the present invention includes a strut 100 and a precast foundation 200 for fixing the lower end of the strut 100 to a predetermined depth.

The struts 100 may be of the same structure as the known structure. That is, the outer shape is an "H" shape, and the middle connecting member 130 is provided between the pair of supporting members 110 and 120, A vertical groove for joining the sound insulating plate is formed on one side.

The precast foundation (200) is formed by a molding method, and is manufactured in a factory in advance as a plurality of divided bodies, and the divided bodies are assembled and installed in the field. In each of the divided bodies, reinforcing bars or the like are arranged horizontally or vertically so as to increase the durability as well as securely fix the anchors.

As described above, on the upper surface of the precast foundation 200 made up of a plurality of divided bodies, a fixing groove 210 having an upward opening shape is formed.

The fixing groove 210 is formed to have a width at least greater than the thickness of the intermediate connecting member 130 of the strut 100 and is preferably formed to be formed along the vertical direction with the precast foundation 200 fixed on the ground. .

This is for the purpose of enabling the pillars 100 to be held at equal intervals when the precursory foundation members 200 are arranged at inclined angles.

As shown in FIG. 1, when the post 100 is fixed on the upper surface of the precast foundation 200, the lower end of the post 100 is positioned, The lower end of the intermediate connecting member 130 is inserted into the fixing groove 210. The lower end of the support member 110 is engaged with the both sides of the precast foundation 200 in face-to-face contact with each other while the intermediate connecting member 130 is fitted to the depth of the fixing groove 210, A fixing force is secured. Then, as shown in FIG. 2, the struts 100 may be fixed to the precast foundation 200 through separate fastening means.

At this time, when an external force is applied to the struts 100, a point of action acts on the lower end of the strut 100 and the upper surface of the precast foundation 200, The support force can be secured.

In this case, the precast foundation 200 may be formed to have a large width or a small width at the position where the pillars 100 are joined at the time of manufacturing in the factory, depending on the size of the pillars 100.

3 and 4 show another embodiment according to the first embodiment in order to prevent the lower support members 110 and 120 of the struts 100 coupled to the upper surface of the precast foundation 200 from being exposed to the outside .

3 and 4, engagement grooves 220 are formed on both sides of the upper surface of the precast foundation 200 so that the support members 110 and 120 of the struts 100 are guided and fixed while being guided .

The coupling grooves 220 are formed at least larger than the width of the supporting members 110 and 120 and at least larger than respective thicknesses of the supporting members 110 and 120 so that the supporting members 110 and 120 .

When the lower end of the strut 100 is inserted into the fixing groove 210 formed in the precast foundation 200, the two supporting members 110 and 120 are seated in the coupling groove 220, The pillars 100 are fixed without being protruded from the precast foundation 200 to control the external forces in the front, rear, and left and right directions, as well as the appearance of the exterior.

FIG. 5 shows another embodiment of FIGS. 3 and 4 for the purpose of making the post 100 more stable in the precast foundation 200. FIG.

5, the bottom bracket 140 and the side brackets 150 may be coupled to the outer side of the lower end of the support member 110 (120) forming the strut 100 so as to project outwardly. At this time, the bottom bracket 140 and the side bracket 150 are tightly coupled to each other so that the ends of the bottom bracket 140 and the side bracket 150 are not protruded from both surfaces of the precast foundation 200 in a state where the bottom bracket 140 and the side bracket 150 are inserted into the coupling groove 220. The anchor 300 may be built in the precast foundation 200 so that the upper end threaded portion 310 of the anchor 300 passes through the bottom bracket 140 and is fixed to the nut 320.

This is because the bottom bracket 140 and the side bracket 150 absorb an external force to the lower side of the precast foundation 200 when an external force acts on the strut 100 to secure a stable fixing force.

FIG. 6 illustrates another embodiment of FIGS. 3 and 4, wherein a bolt socket 320a is coupled to an upper end of an anchor 300a built in the precast foundation 200. FIG.

That is, when the lower intermediate connecting member 130 of the strut 100 is coupled to the fixing groove 210, the fastening bolt (not shown) is inserted into the guide hole of the bottom bracket 140 located at the bottom of the coupling groove 220 The fastening bolt 340a is coupled to the bolt socket 320a while passing through the bottom bracket 140 so that the strut 100 is fixed to the precast foundation 200. [

Figs. 7 and 8 illustrate an embodiment of fastening means for securing the struts 100 to the precast foundation 200 in Figs. 1 and 2.

A pair of guide holes 240 are formed through the sides of the precast foundation 200 on both sides of the fixing groove 210 formed in the precast foundation 200, The strut 100 may be fixed through fastening means coupled to the guide hole 240.

7, the fastening means passes through the guide hole 240 and the guide hole 160 formed in the support member 110 (120) of the strut 100 to fix the nut 170 And a fastening bolt 500 having a threaded portion 510 formed at both ends thereof.

8, a bolt 610 inserted into the guide hole 240 in a hollow shape and passing through the guide hole 160 of the support members 110 and 120 is screwed at both ends thereof The formed bolt socket 600 is applicable.

9 is a perspective view of a precast foundation 200 according to an embodiment of the present invention shown in Figs. 1 to 4. In the embodiment shown in Figs. 1 to 4, a reinforcing member 700 is coupled to a fixing groove 210 formed in a precast foundation 200, So that it can be fixed to precast foundation 200.

That is, in order to reinforce the fixing groove 210, a pair of reinforcing members 700 are formed on both inner walls around the fixing groove 210 and the coupling groove 220 in a symmetrical state And the fixing groove 210 is formed between the reinforcing member and the reinforcing member.

The reinforcing member 700 can be made of metal or synthetic resin. Inside each of the reinforcing members 700, the inner surface of the reinforcing member 700 is integrally joined to the inner surface of the fixing groove 210 while closely contacting the coupling groove 220.

When the lower intermediate connecting member 130 of the strut 100 is inserted into the fixing groove 210 formed between the reinforcing member and the reinforcing member, the lower end surface of the supporting member 110 is inserted into the reinforcing member 700 So that the coupling state is maintained through the fastening means.

FIG. 10 shows another example of FIG. 9, which may further include a transverse steel plate 720 that is horizontally bent at both lower ends of the pair of reinforcement members 700 and closely contacted with the bottom surface of the engaging groove 220 .

10, a pair of guide holes 240 are formed on both sides of the fixing groove 210 so as to pass through the side surface of the precast foundation 200 in the forward and backward directions, It is possible to fix the strut 100 through fastening means coupled to the guide hole 240.

The fastening means is the same as in Fig. 7 and can be seen with reference to the drawings.

For example, a screw bolt 510 is formed at both ends of the guide hole 240 so as to fix the nut 170 through the guide hole 240 and the guide hole 160 formed in the support member 110 (120) of the strut 100, (500).

As another example, a bolt 610 inserted into the guide hole 240 in a hollow shape and passing through the guide hole 160 of the support members 110 and 120 may be screwed into a bolt socket 600).

The anchor 300 may be installed in the precast foundation 200 and the upper threaded portion 310 of the anchor 300 may protrude from the upper surface of the bottom bracket 140 to fix the nut 320.

11 shows another embodiment of Fig. 10 in which a bolt socket 320a having an anchor 300a built in the precast foundation 200 and a screw groove at the upper end of the anchor 300a, And a fastening bolt 340a coupled to the bottom bracket 140 and passing through a guide hole formed in the bottom bracket 140 is coupled to the bolt socket 320a.

Figure 12 shows the anchor and rebar structures built in the manufacture of precast foundation 200 according to the present invention.

A plurality of anchors 300 perpendicular to the precast foundation 200 are integrally formed and a horizontal coupling ring 800 is coupled to the anchors 300 so as to surround the anchors 300, Respectively.

The anchors 300 and 300a are integrally formed when the pre-cast base 200 is formed into a divided body, and are preferably formed as a square structure to be fixedly coupled for stable fastening.

The coupling ring 800 is made of reinforcing bars and is bent in a rectangular shape to be coupled to the anchors 300 and 300a so as to surround the anchors 300 and 300a.

Accordingly, the adhesion between the anchor and the concrete structure can be greatly increased.

13 and 14 are assembled with a cover to cover the portion for joining the pillars 100 when the pillars 100 are fixed on the precast foundation 200. [

13, the plate-shaped cover 280 made of synthetic resin or metal is coupled to the coupling groove 220 so that the lower end of the strut 100 is not exposed to the outside.

14 is a perspective view of the coupling groove 220. The mallet cover 290 is filled with a concrete mortar to prevent the lower end of the strut 100 from being exposed to the outside.

FIG. 15 shows that the lower portion of the strut 100 can be manufactured in a shape that the upper portion is gradually reduced according to the magnitude of the force acting on the strut 100 according to the view.

That is, it is shown that a large standard strut is used at the lower end of the strut 100 and a strut upper end at which the external force is small can be used in a small step size.

FIG. 16 shows another embodiment of FIG. 15 in which another strut 100e having a smaller outer shape than the strut 100 is positioned at the upper end of the strut 100 and connected thereto by a connecting strut 100d.

FIG. 17 shows another embodiment of FIG. 15 in which another strut 100e having a smaller outer shape than the strut 100 is positioned at the upper end of the strut 100 and can be connected to the connecting frame 100f.

100: holding
110, 120: support member 130:
140: bottom bracket 150: side bracket
160: Guide hole 170: Nut
200: Precast foundation
210: fixing groove 220: engaging groove
240: guide hole
280,290: cover
300: Anchor

Claims (13)

H "-shaped pillars (each having an intermediate connecting member 130 between a pair of supporting members 110 and 120 and formed with vertical grooves on both sides of the intermediate connecting member 130, 100) to an upper surface of a precast foundation (200), characterized in that the precast structure
A fixing groove 210 having a vertical direction and opened upward is formed on the top surface of the precast foundation 200,
The lower end of the strut 100 is positioned on the upper surface of the precast foundation 200 and the lower end of the intermediate connecting member 130 of the strut 100 is fitted into the fixing groove 210, And a lower end of the precast foundation (120) is coupled while supporting both sides of the precast foundation (200).
The method according to claim 1,
Wherein the coupling grooves 220 are formed on both sides of the upper surface of the precast foundation 200 such that the supporting members 110 and 120 of the pillars 100 are guided and fixed while being guided. .
3. The method of claim 2,
The bottom bracket 140 and the side brackets 150 are coupled to the outer side surfaces of the lower end of the support members 110 and 120 such that the bottom bracket 140 and the side brackets 150 are engaged with the coupling And the end portions of the pre-cast base (200) are tightly coupled to each other so as not to protrude from both surfaces of the precast foundation (200) while being inserted into the grooves (220).
3. The method of claim 2,
A reinforcing member 700 made of a metal or a synthetic resin is coupled in a symmetrical manner so as to be in close contact with both inner walls of the fixing groove 210 and the engaging groove 220 to fix the lower end of the strut 100. [ Wherein the prefabric structure is formed of a pregranular structure.
5. The method of claim 4,
And a transverse steel plate (720) bent horizontally on both sides of a lower end of the pair of reinforcement members (700) to closely contact the bottom surface of the coupling groove (220).
6. The method according to any one of claims 1 to 5,
A pair of guide holes 240 are formed on both sides of the fixing groove 210 so as to penetrate the side surface of the precast foundation 200. The guide holes 240 are formed in the guide holes 240, Wherein the struts (100) are fixed.
The method according to claim 6,
The fastening means,
A fastening bolt 500 having threaded portions 510 at both ends thereof to be fixed to the guide hole 240 and the guide hole 160 formed in the supporting member 110 of the strut 100, ,
A bolt socket 600 which is inserted into the guide hole 240 in a hollow shape and has screws at both ends thereof so that the bolt 610 passing through the guide hole 160 of the support members 110 and 120 is screwed, Wherein the pre-casting structure is a single pre-casting structure.
The method of claim 3,
Wherein an anchor 300 is embedded in the precast foundation 200 and the upper screw part 310 of the anchor 300 protrudes from the upper surface of the bottom bracket 140 to fix the nut 320. [ Precast structures.
The method of claim 3,
A bolt socket 320a having an anchor 300a embedded in the precast foundation 200 and a screw groove at the upper end of the anchor 300a is integrally formed with the precast foundation 200 and coupled to the bottom bracket And a fastening bolt (340a) passing through a guide hole formed in the bolt socket (140) is coupled to the bolt socket (320a).
delete The method according to claim 6,
A plurality of the anchors 300 in a vertical state are built in the precast foundation 200 and the plurality of the anchors 300 in a horizontal state are coupled to the anchors 300 so as to surround the anchors 300, Characterized in that the prefabric structure for holding bridges.
delete The method according to claim 3 or 5,
A plate cover 280 made of synthetic resin or a metal material or a mortar cover 290 filled with concrete mortar is coupled to the coupling groove 220 so that the lower end of the strut 100 is not exposed to the outside. Precast structures.

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