KR20100061074A - Structure using pre-cast panel - Google Patents

Abstract

PURPOSE: A structure using a precast panel is provided to be easily manufactured and transferred, and to improve structural stability by securely and easily coupling a wall part and an upper plate part. CONSTITUTION: A structure(10) using a precast panel comprises wall parts(12), precast beams(20), and precast slab panels(30). The wall parts are formed in a width direction of the structure, respectively. The precast beams are respectively installed in the top of the wall parts in a longitudinal direction. The precast slab panels are installed between the precast beams to be supported by the precast beams.

Description

Structure using pre-cast panel

The present invention relates to the field of construction and civil engineering, and more particularly, to a structure using a precast panel that is manufactured at a factory and then assembled at a construction site.

There are a method of constructing and constructing structures in the field of construction and civil engineering, and a method of constructing panels in a factory in advance and assembling them on site. The latter panel of construction methods is called precast panel.

The structure using the latter precast panel is pre-fabricated in the factory, so that the quality control is possible evenly and the frequency of defects and repairs is significantly reduced. Since the curing period is not necessary, the construction period is short, and thus, there is a very good advantage compared to the on-site casting method.

However, these precast panels have the following problems.

That is, since the precast panel is manufactured at the factory and transported to the site, it should be easily manufactured at the factory.

It must also be transportable from the factory to the site.

In addition, it should be possible to construct by crane in the field.

In addition, since the structure is divided into a plurality of precast panels, the joining part between the precast panels or the joining part between the precast panels and other materials may be weak, and the construction period may be lengthened due to the repeated joining operations. It can be required and considerably more manpower, and due to manufacturing tolerances and work experience, precast panels or other materials are difficult to install in the correct position.

In addition, the precast panel is not suitable for long-term construction because of the manufacturing, transportation, and construction restrictions.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a structure using a precast panel that is easy to manufacture, transport, construction, and can sufficiently secure structural stability.

Still another object of the present invention is to provide a structure using a precast panel that can be built between long-term construction.

In order to solve the above problems, the present invention is a wall portion formed in each of a plurality of points along the width direction; Precast beams respectively installed at a plurality of points along a longitudinal direction above the wall portion; It proposes a structure using a precast panel, characterized in that it comprises a; precast slab panel which is provided in a plurality in the width direction between the beam so as to be supported by the beam.

The beam may be formed to have at least one on-site casting space.

The cast-in-place space of the beam is formed long along the width direction, and ribs in which at least one tension hole is formed may be protruded so that post tension tension members can be installed at a plurality of points along the width direction therein. have.

The post-tensioning tension member is installed in a parabolic structure so that both ends thereof face upwards, and both last ribs of the ribs may be inclined upward toward the inside of the in-site casting space.

At least one pretension tension member may be installed along the width direction of the beam.

At least one supporting rib may protrude from the beam so as to support the slab panel.

The wall portion may be formed with a fixing groove so that the beam can be fixed.

The fixing groove of the wall portion has a shape that gradually increases toward the upper side; The beam may be formed to correspond to the fixing groove of the wall portion.

The wall portion and the beam may be coupled to each other by a fastening member.

The slab panel, the bottom surface has at least one protrusion projected; At least one pretension tension member may be installed in the protrusion along the length direction.

The wall portion may be formed by a plurality of precast wall portion panels.

In the present invention, the structure can be easily and quickly constructed by the precast method, and thus, the wall portion and the upper plate portion can be easily and firmly coupled to each other at an accurate position, thereby sufficiently securing structural stability and ease of construction.

In particular, in the present invention, by installing each slab panel along the longitudinal direction using a beam, it is possible to construct between the long and long.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1 and below, the structure 10 according to the present invention is basically a vertical structural member, which is formed at a plurality of points along the width direction (coordinate X direction), respectively, to support the load portion 12 and the wall portion 12. It may be composed of a top plate portion 14 formed above the plurality of wall portions 12 as a horizontal structural member. As shown in FIG. 1, when constructing an underpass structure 10 such as an underground roadway or an underground roadway, a plurality of wall portions 12 are generally formed along a width direction (coordinate X direction).

In particular, the upper plate portion 14 is provided on the upper side of the plurality of wall portions 12, the beams 20 are respectively provided at a plurality of points along the longitudinal direction (coordinate Y direction) and the beams 20 to be supported by the beams 20 It can be configured to include a plurality of slab panel 30 is provided along the width direction (coordinate X direction) between the beams, the beam 20 and the slab panel 30 is precast, respectively, for construction by the precast method do.

The structure 10 thus constructed can take advantage of the precast method by at least the upper plate portion 14 being constructed by the precast method.

In addition, since the slab panel 30 can be provided along the longitudinal direction (coordinate Y direction) by the beams 20 to form the upper plate portion 14, the slab panel 30 is formed between the wall portions 12. It is possible to obtain the effect that the construction can be easily performed between the long and long periods without having to manufacture a long one corresponding to the width.

In addition, as described above, since the construction can be performed in a long time using the slab panel 30 having a relatively short length, the effect of facilitating the manufacture, transportation, and construction of the slab panel 30 can be obtained. .

The slab panel 30 may be formed in a variety of structures as needed, in particular at least one on the bottom surface for structural reinforcement for transport, securing rigidity during construction, and against external forces acting on the upper plate portion 14 The protrusion may protrude. That is, the slab panel 30 may be formed of a T-type structure, a double T (double T) type structure, or the like.

Further, for structural reinforcement of the slab panel 30, at least one pre-tension tension member may be installed in the protrusion portion of the slab panel 30 along the longitudinal direction (coordinate Y direction).

In addition, the slab panel 30 and the neighboring slab panels 30 installed together between the beams 20 by at least one post-tension tension member installed along the width direction (coordinate X direction). It can be firmly combined.

In addition, the slab panel 30 may have at least one slab panel coupling portion 32 for easy and firm coupling with the neighboring slab panel 30 along the width direction (coordinate X direction). Slab panel coupling section 32 may be made by forming a (see Fig. 6) joint surface is the stepped shape of the other slab panel 30 and the slab panel 30 is joined or uneven the other object.

On the other hand, the beam 20 is formed long along the width direction (coordinate X direction) so that it can be installed to span the two or more wall portions 12, in particular for ease of construction and structural stability of the structure 10, in particular at least one It can be formed to have the on-site pouring space 22 of.

That is, for the cast-in-place space 22, the beam 20 is precast manufactured in a part of a fine state, thereby reducing the weight during manufacture, transportation, and construction of the beam 20. Therefore, although the length of the beam 20 is long, it is preferable at the point that the beam 20 can be manufactured and transported easily, and can be constructed by a crane etc.

In addition, after the construction of the beam 20, the site casting space (22) of the beam 20 to the field casting 21 to fill the field casting space 22 of the beam 20, the stability of the structure 10 Can be secured sufficiently.

Further, as described above, as long as the beam 20 is formed, and the on-site placing space 22 of the beam 20 is formed, the rigidity of the beam 20 is weak during transportation and construction of the beam 20. This may be a problem, in order to prevent this, at least one pretension tension member 24 may be installed on the beam 20.

The pretension tension member 24 of the beam 20 has a bar shape in which the beam 20 is elongated along the width direction (coordinate X direction), so as to ensure sufficient rigidity during transport and construction of the beam 20, the width direction (coordinate) More preferably). In particular, the pretension tension member 24 of the beam 20, so as not to cause interference with the post-tension tension member 26 of the beam 20 in the site placing space 22 of the beam 20, as will be described later, More preferably, it is installed to avoid the site placing space 22 of the beam 20.

The cast-in-place space 22 of the beam 20 can be formed in various ways, and in particular, can be formed as follows.

That is, the cast-in-place space 22 of the beam 20 is formed long along the width direction (coordinate X direction), and a plurality of the cast-in-place space 22 along the width direction (coordinate X direction) inside the cast-in-place space 22 of the beam 20. Each of the ribs 25 protrudes from each other, and at least one tension hole 25A for installing the post tension tension member 26 of the beam 20 may be formed in the ribs 25.

At this time, the post-tension tension member 26 of the beam 20 is installed at the time of the site casting 21 of the site casting space 22 of the beam 20, so as to form a sufficient tension force on the beam 20, or It is preferable to be installed after the site casting 21 of the site casting space 22 of 20).

Therefore, at least one post-tension tension member 26 is provided in the beam 20, so that the beam 20 can be firmly reinforced.

In addition, the ribs 25 of the beam 20 guide the installation of the post tension tension member 26 of the beam 20 and maintain the installation state of the post tension tension member 26 of the beam 20. As a result, the post tension tension member 26 of the beam 20 can be installed at an easier and more accurate position.

In addition, during the transport and construction of the beam 20, in particular the on-site placing space 22 of the beam 20 can be reinforced by the ribs 25 of the beam 20, the on-site placing space on the beam 20 In spite of the formation of the (22), it is possible to take the advantage that the rigidity can be sufficiently secured when the beam 20 is transported.

The post tension tension member 26 of the beam 20 is to be able to sufficiently counteract the external force acting on the upper plate portion 14, it is preferable that both ends thereof are installed in a parabolic structure to face the upper side.

Then, for easy installation of the post tension tension member 26 of the beam 20, both last ribs 25-25 'along the width direction (coordinate X direction) of the ribs 25 of the beam 20. It may be more preferable that the outer surfaces 25B are inclined upwardly toward the inside of the cast-in-place space 22 of the beam 20, respectively.

That is, the last ribs 25-25 ′ are formed so as to be substantially perpendicular to the installation direction of the post tension tension member 26 of the beam 20, thereby easily forming the post tension tension member 26 of the beam 20. Can be installed.

Meanwhile, the beam 20 may have at least one supporting rib 28 protruding from the slab panel 30 so as to easily and firmly support the slab panel 30.

The support ribs 28 of the beam 20 may be formed in plural in correspondence with the plurality of slab panels 30, but as shown in the figure, the ribs 28 may be formed in one long length along the width direction (coordinate X direction). It is more preferable in terms of simplification of the structure.

The supporting ribs 28 of the beam 20 may be formed on both sides of the beam 20 along the longitudinal direction (coordinate Y direction), respectively, or may be formed only on one side.

 Meanwhile, at least one fixing groove 42 may be formed in the wall portion 12 so that the beam 20 can be easily and firmly fixed to the wall portion 12.

The fixing groove 42 of the wall portion 12 may take various shapes, and in particular, the wall portion 12 and the upper plate portion 14, that is, the beam 20, are more easily formed by taking a shape that gradually increases toward the upper side. More preferably.

In addition, the fixing groove 42 of the wall portion 12 may have a shape in which both side surfaces are opened along the width direction (coordinate X direction), as shown, and is not limited thereto, and the width direction (coordinate X direction) as necessary. ), Either side may be open and the other side may be blocked, or both sides may have a blocked shape. At this time, when at least one side of both sides of the fixing groove 42 of the wall portion 12 is blocked, the fixing portion of the wall portion 12 and the beam 20 overlap the width direction (coordinate X direction). If necessary, at least one post-tension tension member 26 may be provided at the same time in the fixing groove 42 and the beam 20 of the wall portion 12 along the width direction (coordinate X direction) as necessary.

In addition, in order to securely couple the beam 20 and the wall portion 12, the beam 20 and the wall portion 12 may be coupled to each other by at least one fastening member such as a bolt 2 or an anchor 4. Can be. At this time, the fastening member such as bolt 2 or anchor 4 is preferably positioned so as not to interfere with the post-tension tension member 26 of the beam 20 described above.

The wall part 12 may be constructed by a site casting method, and may be constructed by a precast method such as the upper plate part 14 described above for rapid construction.

That is, the wall portion 12 can be formed by continuously arranging a plurality of precast manufactured wall portion panels 40 along the longitudinal direction (coordinate Y direction).

In this case, the plurality of wall panel panels 40 constituting one wall part 12 may be installed in a single row, but may be firmly coupled to other neighboring wall panel panels 40. To this end, the plurality of wall panel panels 40 constituting one wall portion 12, at least one coupling hole that can be connected to each other in the longitudinal direction (coordinate Y direction) is formed, along the coupling hole At least one post tension tension member or cable or rebar may be installed along the longitudinal direction (coordinate Y direction).

On the other hand, at least some of the plurality of wall panel panels 40 constituting one wall portion 12 may form at least one opening 6 with another neighboring wall panel panel 40. At least one of the concave portion 40A and the convex portion for forming the opening 6 may be formed on one side.

By forming the openings 6 in the structure 10 by the wall panel 40 in this way, it is possible to easily secure the lighting, lighting, ventilation, viewing and the like of the structure 10. In addition, such a wall panel 40 can be manufactured easily and firmly.

On the other hand, the opening 6 formed by the two adjacent wall panel 40 may be kept open, but the cover member 50 through which light can pass through for sound insulation, windshield, effective light and lighting. May be repeated.

Since the above has been described only with respect to some of the preferred embodiments that can be implemented by the present invention, the scope of the present invention, as is well known, should not be construed as limited to the above embodiments, the present invention described above It will be said that both the technical idea and the technical idea which together with the base are included in the scope of the present invention.

1 is a perspective view of an essential part of a structure using a precast panel according to the present invention.

FIG. 2 is an enlarged view of a portion 'A' of FIG. 1.

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along the line B-B in FIG.

5 is a cross-sectional view taken along the line C-C in FIG.

6 is a cross-sectional view taken along the line D-D of FIG.

7 is a perspective view of the beam shown in FIG. 1.

<Explanation of symbols on main parts of the drawings>

6; Opening 10; structure

12; Wall portion 14; Top plate

20; Bo 22; Casting place

24; Pretension tension 25; live

26; Post-tension tension material 28; Support rib

30; Slab panel 40; Wall panel

42; Settling groove 50; Abdomen

Claims (11)

Wall parts formed in each of a plurality of points along the width direction; Precast beams respectively installed at a plurality of points along a longitudinal direction above the wall portion; A precast slab panel provided in plural along the width direction between the beams so as to be supported by the beams; Structure using a precast panel, characterized in that comprises a. The method according to claim 1, The beam is a structure using a precast panel, characterized in that formed to have at least one on-site casting space. The method according to claim 2, The cast-in-place space of the beam is formed long along the width direction, A structure using a precast panel, characterized in that the ribs formed with at least one tension hole is formed to protrude from the plurality of points along the width direction therein, respectively. The method according to claim 3, The post tension tension member is installed in a parabolic structure so that both ends face upwards, Each of the last ribs of the ribs, the outer surface, the structure using the precast panel, characterized in that the inclined upward toward the inside of the cast site space. The method according to any one of claims 1 to 4, The beam is a structure using a precast panel, characterized in that at least one pretension tension member is installed along the width direction. The method according to any one of claims 1 to 4, The beam, the structure using a precast panel, characterized in that at least one supporting rib protrudes to support the slab panel. The method according to any one of claims 1 to 4, The wall unit is a structure using a precast panel, characterized in that the fixing groove is formed so that the beam can be fixed. The method of claim 7, The fixing groove of the wall portion has a shape that gradually increases toward the upper side; The beam is a structure using a precast panel, characterized in that formed to correspond to the fixing groove of the wall portion. The method according to any one of claims 1 to 4, The wall portion and the beam structure, each using a precast panel, characterized in that coupled to each other by a fastening member. The method according to any one of claims 1 to 4, The slab panel, the bottom surface has at least one protrusion projected; At least one pretension tension member is installed along the lengthwise direction of the protruding portion. The method according to any one of claims 1 to 4, And the wall portion is formed by a plurality of precast wall portion panels.

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