JP2868504B1 - Concrete wall structure - Google Patents

Abstract

[PROBLEMS] To provide a concrete wall structure having good workability and capable of improving strength. SOLUTION: There is provided a panel mounting beam 11, and a cellular concrete wall panel 12 juxtaposed in a longitudinal direction of the panel mounting beam 11. Each of the wall panels 12 is mounted and fixed to the panel mounting beam 11 by the fixture 14. The fixed body 31 is fixed to the upper and lower surfaces of the panel mounting beam 11. An engaging body previously embedded in the side end surface of the wall panel 12 when the wall panel 12 is formed.
The nut body 32 is fitted into the fitted groove 21 of the 17. The nut body 32 is positioned at a predetermined position corresponding to the height position of the wall panel 12 with respect to the panel mounting beam 11. Bolt body 33
Is screwed tightly into the nut body 32,
The engaging portion 45 of the engaging member 32 and the engaging edge portion 25 of the engaging member 17 are engaged with each other, and the rear surface of the wall panel 12 is strongly contacted with the contact surface portion 36 of the fixing member 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete wall structure used for a rooftop of a building, a balcony or the like.

[0002]

2. Description of the Related Art Conventionally, as a concrete wall structure of this kind, for example, a concrete wall structure having a structure shown in FIG. 6 is known.

[0003] The concrete wall structure shown in FIG. 6 has a panel mounting beam 2 such as an H-shaped steel or the like disposed below a floor 1 of a balcony in a building, and a longitudinal direction of the panel mounting beam 2. And at least a pair of concrete wall panels 3 juxtaposed to each other.

When the wall panel 3 is mounted and fixed to the panel mounting beam 2 at a construction site, the bolt body 5 is placed at a predetermined position on the rear surface of the wall panel 3 via the washer 6. When the wall panel 3 is formed, it is inserted into an insert (not shown) embedded in advance through an insertion hole 8 formed in a fixed body 7 having a substantially L-shaped cross section and fixed to the panel mounting beam 2 by welding or the like. It was attached and fixed by screwing. In addition, the mutually adjacent wall panels 3 were connected and fixed using separate connecting fixtures as necessary.

[0005]

However, when fixing the wall panel 3 to the panel mounting beam 2 as in the conventional concrete wall structure shown in FIG. 6, the bolt body 5 is attached to the panel mounting beam 2. In a configuration in which the fixed body 7 is inserted through the insertion hole 8 and screwed into an insert previously embedded in the rear surface of the wall panel 3, the strength against the load acting on the wall panel 3 from the inside of the balcony to the outside of the building is applied. In addition to the above problems, when it is necessary to adjust the height of the wall panel 3 with respect to the panel mounting beam 2 at the construction site, the work of adjusting the height of the wall panel 3 is troublesome and the workability is poor. Have.

[0006] The present invention has been made in view of the above points, and relates to a concrete wall structure having good workability and capable of improving strength.

[0007]

A concrete wall structure according to the present invention comprises a panel mounting beam, and a substantially rectangular plate formed of concrete, which is juxtaposed with each other in the longitudinal direction of the panel mounting beam and adjacent to each other. At least one pair of wall panels, and a fixture for mounting and fixing each of the wall panels to the panel mounting beam, wherein each of the wall panels are adjacent to each other in a state of being juxtaposed. An elongated engaging body having a longitudinally-fitted insertion groove portion opened along the side end surface on the opposite side end surface and an engagement edge portion protruding with a gap in the opening of the fitted insertion groove portion is embedded. , Said fixture,
At least one of an upper surface and a lower surface of the panel mounting beam is fixed to a rear surface of each of the adjacent wall panels so as to straddle the rear surface of each of the adjacent wall panels. A fixed body having an abutting surface portion abutting on a rear surface of the base member; A nut body having a mating portion and fitted in the fitted groove portion of the engagement body along the groove direction, and screwed into a screw hole of a board portion of the nut body via a contact surface portion of the fixed body. And a bolt body.

[0008] Then, when attaching and fixing at least a pair of wall panels to the panel mounting beam using a fixture, the fixing surface portion of the fixing body is brought close to at least one of the upper surface and the lower surface of the panel mounting beam. Straddle and fix to the rear surface of each wall panel.

On the other hand, the engaging body is buried in advance in the side end surface of the wall panel when the wall panel is formed.

[0010] Then, the nut body is fitted along the groove direction into the fitted groove portion of the engaging body of the wall panel which is juxtaposed and arranged in the longitudinal direction of the panel mounting beam.

Next, the nut body thus inserted is positioned at a predetermined position corresponding to the height position of the wall panel after the height positioning adjustment with respect to the panel mounting beam. By strongly screwing to the nut body via the contact surface, the engaging portion of the nut body and the engaging edge of the engaging body are engaged, and the rear surface of the wall panel is strongly attached to the contact surface of the fixed body. Abut.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of a concrete wall structure according to the present invention will be described below with reference to the drawings.

In FIG. 4, reference numeral 10 denotes a floor on a balcony of a building. Below the floor 10, a panel mounting beam 11 of H-section steel or the like is laid.

A plurality of at least a pair of wall panels 12 corresponding to the size of the balcony of the building are arranged side by side in a state of being close to each other in the longitudinal direction of the panel mounting beam 11. The wall panel 12 is attached to and fixed to the panel attachment beam 12 by a fixture 14.

The wall panel 12 is made of, for example, a so-called ALC formed of a cellular concrete into a substantially rectangular plate shape.
(Autoclave light-weight
A plurality of exterior tiles 16 are fixed to the outside front surface of the wall panel 12 opposite to the balcony side.

On both end surfaces of the wall panel 12,
An engaging body 17 is embedded.

The engaging member 17 is buried in advance at the time of molding the wall panel 12 in a factory or the like, and as shown in FIGS. 1 to 3, is formed in an elongated shape by, for example, extrusion using a steel material. And is formed into a substantially C-shaped cross section,
The engaging body 17 has an elongated rectangular substrate portion 18, and side plate portions 19 are integrally and substantially vertically provided at both ends in the width direction of the substrate portion 18. The tips are bent substantially perpendicularly in the directions facing each other.

Then, in the substrate portion 18 and the side plate portion 19,
Fitted insertion groove opening along the side end surface of the wall panel 12
21 are defined along the longitudinal direction of the engagement body 17. Further, in a state of being buried in the wall panel 12, at a tip end side of one side plate portion 19 located on a rear surface side of the wall panel 12, a protrusion 23 is protruded with a gap 23 into the opening 22 of the insertion groove 21. The formed engaging edge 25 is formed.

The upper surface of the wall panel 12 is shown in FIG.
As shown in FIG. 3, an anchor base body 27 having the same shape as the engagement body 17 is embedded, and the anchor base body 27
For example, a handrail device 28 with a coping is attached and fixed by using.

Next, the fixing device 14 is provided with two fixing members 31 fixed to the panel mounting beam 11 by welding or the like and a fitting insertion groove portion 21 of the engaging member 17 along the groove direction. It has two nut bodies 32 that are movably fitted, and two bolt bodies 33 that are screwed into the nut bodies 32.

Each of the fixing members 31 is formed in a substantially mountain shape from steel or the like, and is fixed to the upper or lower surface of the panel mounting beam 11 so as to straddle the rear surface of each of the wall panels 12. It has a rectangular plate-shaped fixing surface 35 to be formed. At one end of the fixed surface portion 35, a substantially rectangular plate-shaped contact surface portion 36 that comes into contact with the rear surface of each of the wall panels 12 is integrally and substantially vertically protruded, and further on both sides in the width direction of the fixed surface portion 35. A substantially triangular side plate 37 protrudes substantially vertically and integrally. The contact surface 36
A vertically elongated insertion hole 38 is formed in the longitudinal direction of the bolt body 33 so that the shaft of the bolt body 33 can be inserted.

Each of the nut bodies 32 is formed of a steel material or the like and has a substantially U-shaped cross section, and has a substantially rectangular substrate portion 42. A screw hole 43 into which the body 33 is screwed is formed. Also, this board part
At both ends in the width direction of 42, rectangular engaging portions 45 are integrally and substantially vertically protruded. The engagement portion 45 is formed in a shape corresponding to the engagement edge portion 25 of the engagement body 17, and is securely engaged with the engagement edge portion 25 when the bolt body 33 is tightened. I have.

Next, the assembling work of the embodiment will be described.

When fixing the wall panel 12 to the panel mounting beam 11 laid below the floor 10 on the balcony of the building by using the fixing tool 14, the fixing surface 35 of the fixing body 31 is mounted on the panel. On the upper surface and the lower surface of the beam 11, it is straddled and fixed to the rear surface of each wall panel 12 which is close to each other. In addition,
The engaging body 17 is buried in advance in the side end surface of the wall panel 12 when the wall panel 12 is formed.

Then, the nut body 32 is inserted along the groove direction into the fitting insertion groove portion 21 of the engaging body 17 of the wall panel 12 which is juxtaposed to each other in the longitudinal direction of the panel mounting beam 11. Insert movably. Before the nut body 32 is inserted, the bolt body 33 is loosely screwed into the screw hole 43 of the board part 42 of the nut body 32.

Next, the nut body 32 is positioned at a predetermined position corresponding to the height position of the wall panel 12 after the height positioning adjustment with respect to the panel mounting beam 11. That is, the bolt body 33 is inserted into the insertion hole 38 of the contact surface 36 of the fixed body 31, and the nut body 32 is positioned by locking the bolt 33 at the contact surface 36.

Thereafter, the bolt body 33 is moved in the tightening direction, and the head of the bolt body 33 is pressed against the inner surface of the contact surface 36 of the fixed body 31 so that the bolt body 33 is strongly attached to the nut body 32. Screw together. As a result, the engaging portion 45 of the nut body 32
And the engaging edge 25 of the engaging body 17 are strongly and securely engaged, and the outer surface of the contact surface 36 of the fixing body 31 is strongly in contact with the rear surface of the wall panel 12, so that the wall panel 12 is mounted on the panel. It will be in the state of being fixedly attached to the beam.

According to the above-described embodiment, when the wall panel 12 is fixedly mounted on the panel mounting beam 11,
Even in the case where the height positioning adjustment of the wall panel 12 with respect to the panel mounting beam 11 is necessary, the nut body 32 inserted into the fitted insertion groove portion 21 of the engaging body 17 of the wall panel 12 is appropriately adjusted along the groove direction. This can be dealt with by moving, so that the workability can be improved as compared with a structure in which an insert is fixedly embedded at a predetermined position on the rear surface of the wall panel as in the related art.

After the wall panel 12 is fixed to the panel mounting beam 11 by the fixture 14, a load is applied to the wall panel 12 from the inside of the balcony to the outside of the building. The fixtures that work on this wall panel 12
Since the reaction force from 14 is transmitted to the wall panel 12 via the engaging body 17, the stress generated inside the wall panel 12 is dispersed over a wide range, and the wall panel 12 Strength can be improved.

Further, since the wall panel 12 is fixedly mounted on the panel mounting beam 11 by the fixing member 14, the adjacent wall panels 12 can be connected and fixed simultaneously, so that a separate connecting fixing member is not required. And cost can be reduced.

In the above-described embodiment, the fixing member 31 of the fixing member 14 is formed by forming an elongated insertion hole 38 in the contact surface 36 of the fixing member 31 from the center of the upper edge toward the center. Although the configuration described above has been described, for example, a configuration in which a circular insertion hole is formed in the center of the contact surface portion 36 in order to improve the strength of the fixed body 31 may be employed. In the case of this configuration, after positioning the nut body 32 at a predetermined position, the bolt body 33 is inserted into the circular insertion hole, and screwed into the screw hole 43 of the substrate portion 42 of the nut body 32. Will be done.

In the above-described embodiment, the two nut bodies 32 of the fixture 14 are provided on the base 42 having a screw hole 43 formed substantially at the center thereof and at both ends in the width direction of the base 42. Although the description has been given of the configuration including two separate members having the provided engaging portions 45, for example, by increasing the area of the engaging portion between the engaging portion 45 and the engaging edge portion 25, the wall panel 12 The two screw holes 43 correspond to the height dimension of the panel mounting beam 11 in the longitudinal direction in order to more reliably disperse the stress generated therein and to further improve the strength of the wall panel 12. A single member (not shown) having an elongated substrate portion 42 pierced with a dimensional gap and engaging portions 45 erected at both ends in the width direction of the substrate portion 42. Can also.

Further, in the above-described embodiment, the configuration in which the engagement edge portion 25 of the engagement body 17 is formed on the tip end side of the one side plate portion 19 has been described. In order to further improve the strength, the engagement edge portion 50 may be formed on one side plate portion 19 as a whole as shown in FIG.

[0034]

According to the present invention, when the mounting of the wall panel to the panel mounting beam is fixed, even if the height of the wall panel 3 relative to the panel mounting beam needs to be adjusted.
Since it can be dealt with by appropriately moving the nut body fitted into the fitted groove portion of the engaging body of the wall panel along the groove direction, the workability can be improved as compared with the related art.

After the wall panel is mounted and fixed to the panel mounting beam by the fixture, when a load is applied to the wall panel from the inside of the balcony to the outside of the building, the wall panel is subjected to this load. Since the reaction force from the fixing device acting on the wall panel is transmitted to the wall panel via the engaging body, the stress generated inside the wall panel is dispersed over a wide range. The strength of the wall panel can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a concrete wall structure of the present invention.

FIG. 2 is a cross-sectional view showing the same concrete wall structure.

FIG. 3 is a longitudinal sectional view showing the concrete wall structure according to the first embodiment.

FIG. 4 is a perspective view showing the same concrete wall structure.

FIG. 5 is a cross-sectional view showing another embodiment of the engaging edge of the engaging body in the concrete wall structure.

FIG. 6 is a longitudinal sectional view showing a conventional concrete wall structure.

[Explanation of symbols]

 11 Panel mounting beam 12 Wall panel 14 Fixture 17 Engagement body 21 Insertion groove 22 Opening 23 Gap 25, 50 Engagement edge 31 Fixed body 32 Nut body 33 Bolt body 35 Fixed surface part 36 Contact surface part 42 Board Part 43 Screw hole 45 Engagement part

Claims (1)

(57) [Claims] 1. A panel mounting beam, at least one pair of wall panels which are juxtaposed with each other in the longitudinal direction of the panel mounting beam and are formed in a substantially rectangular plate shape from concrete. A fixing device for mounting and fixing the panel to the panel mounting beam, wherein each of the wall panels is arranged side by side on a side end surface which is close to and opposed to each other along the side end surface. An elongated engaging body having an opened fitting groove in the longitudinal direction and an engaging edge projecting with a gap is buried in the opening of the fitting groove, and the fixing tool is provided with the panel mounting beam. At least one of an upper surface and a lower surface is fixed to the rear surface of each of the adjacent wall panels so as to straddle the rear surface of each of the adjacent wall panels. Fixed body having contact surface A board portion having a screw hole formed therein, and an engaging portion which is erected at both ends in the width direction of the board portion and which engages with an engaging edge portion of the engaging body. A concrete body comprising: a nut body fitted in a groove along a groove direction; and a bolt body screwed into a screw hole of a substrate part of the nut body via a contact surface of the fixed body. Wall structure.