JP2022046032A - Dry type floor receiving beam, and beam and floor housing structure - Google Patents

Abstract

To provide a beam and floor housing structure fixed to a middle position of a beam in a state where a dry type floor is dropped into the middle position which can dispense with a large number of floor receiver substrate fittings for supporting the dry type floor, and can dispense with a large number of bolt holes for mounting the large number of floor receiver substrate fittings to a web, and a dry type floor receiver beam constituting the same.SOLUTION: A dry type floor receiving beam has a beam body 10 formed of an H-shaped steel having upper and lower flanges 12 and 13 and a web 11, and a plurality of box-shaped substrate materials 50 that are provided on one wide surface of the web 11 at an interval in a longitudinal direction of the beam body 10 and have U-shaped or approximately U-shaped cross-sectional shapes, in which a floor receiving material 55 for supporting a dropped type dry type floor 40 can be mounted on a vertical piece 51 constituting the box-shaped substrate materials 50, and the vertical piece 51 is arranged so as to be flush with ends 12a and 13a of the flanges 12 and 13 or be positioned outside the ends 12a and 13a.SELECTED DRAWING: Figure 2

Description

The present invention relates to a dry floor receiving beam and a structure for accommodating the beam and the floor.

When applying a dry floor in a building, a part of the dry floor is placed on the upper surface of the beam (in the case of a beam formed of H-shaped steel, the upper surface of the upper flange) to form a structure in which the beam and the floor are housed. Has been done. On the other hand, in balconies, unit baths, etc., some floors of beams and floors have been dropped in order to flatten the floor level, secure the water gradient, and secure the relative level relationship with the internal floor. Fitting structures may also be applied. In this way, in the structure in which the dry floor is dropped and supported by the beam, the floor support metal fittings attached to the floor support base metal fittings are attached to the floor support base metal fittings via the floor support base metal fittings fixed to the web of the beam instead of the top end of the beam. The dry floor is fixed to the web in a state where it is dropped through the beam. An example of the fitting structure of the beam and the floor will be described with reference to FIG.

FIG. 1 is a vertical cross-sectional view showing an example of a beam and floor fitting structure in a conventional balcony. In the illustrated beam-floor fitting structure 100, a plurality of floor support base metal fittings 21 formed of channel steel or the like are attached to the wide surface of the web 11 of the beam body 10 formed of H-shaped steel on the indoor side. ing. A floor support metal fitting 22 made of angle steel or the like is attached to each floor support base metal fitting 21, and the dry floor 40 is placed on the floor support metal fitting 22 in a state of being dropped.

A waist wall receiving base metal fitting 23 formed of angle steel or the like is fixed to the wide surface of the web 11 of the beam body 10 on the outdoor side, and a waist wall receiving base metal fitting 23 similarly formed of angle steel or the like is fixed to the waist wall receiving base metal fitting 23. The wall receiving metal fitting 24 is fixed. For fixing the web 11 and the floor support base metal fitting 21 and fixing the web 11 and the waist wall support base metal fitting 23, the bolt holes provided in both metal fittings must be aligned and bolted together. Is done by.

The waist wall 30 includes a waist wall frame 31, a waist wall panel 32 fixed to the indoor side and the outdoor side by screws or the like, and a cap tree 35 attached via a waterproof material 34 at the top end thereof. The legs of the waist wall frame 31 are fixed by being bolted to the waist wall receiving metal fitting 24. A fireproof coating molded plate 36 extending between the end of the drywall 40 and the waist wall frame 31 is disposed on the upper surface of the upper flange 12 of the beam body 10, and the upper surface of the drywall 40 and the upper surface of the fireproof coating molded plate 36 are arranged. Is flat. Of the waist wall 30, the waist wall panel 32 on the indoor side is cut off at an intermediate position, a draining cover 37e is attached to the lower end of the waist wall panel 32, and a waterproof base plywood 37a is attached below the draining cover 37e. .. A waterproof base material 38a and a waterproof sheet 38b are laid on the upper surface of the dry floor 40 and the upper surface of the fireproof coating molded plate 36, and a predetermined water gradient is provided on the balcony.

As described above, a plurality of floor support base metal fittings 21 are attached to the wide surface of the web 11 at intervals in the longitudinal direction of the beam body 10, and are attached to the floor support base metal fittings 22 by the floor support metal fittings 22 attached to each floor support base metal fitting 21. Although the dry floor 40 is supported in a dropped state, the conventional floor support base metal fitting 21 is generally fixed at a pitch of 305 mm or less on the wide surface of the web 11. For this reason, the web 11 of the beam body 10 requires bolt holes for attaching a large number of floor support base metal fittings 21, and also requires a large number of floor support base metal fittings 21.

Further, the web 11 of the beam body 10 may be provided with various equipment through holes such as an opening for a water pipe duct, but a large number of floor support base metal fittings 21 attached to the web 11 may be provided with various equipment through holes. There is also a problem that there is a high possibility of interference with other mounting brackets and the like.

Here, Patent Document 1 describes a balcony greening structure in which a waist wall (here, a handrail wall) is supported by an upper flange of a balcony floor beam, and a dry floor is supported from the upper flange via a bracket. Proposed. In this balcony greening structure, the legs of the auxiliary pillars are joined to the handrail pillars constituting the handrail wall, and the planting receiving beams are hung on the brackets attached to the auxiliary pillars.

Japanese Unexamined Patent Publication No. 2017-127196

Since Patent Document 1 does not disclose the fitting structure of the beam and the floor supported in a state where the dry floor is dropped through the floor support base metal fitting attached to the web of the balcony floor beam, this dry type is used. In the fitting structure that assumes that the floor is dropped, it does not solve various problems caused by attaching a large number of floor support base metal fittings to the web of the beam.

The present invention has been made in view of the above problems, and has a large number of floor supports for supporting a dry floor with respect to a beam and floor fitting structure in which a dry floor is fixed in a state where the dry floor is dropped in the middle of the beam. A dry floor support beam that can eliminate the need for a base metal fitting and a large number of bolt holes for attaching the large number of floor support base metal fittings to the web, and a beam and floor fitting structure equipped with this dry floor support beam. The purpose is to provide.

In order to achieve the above object, one aspect of the dry floor receiving beam according to the present invention is:
A beam body, formed of H-section steel with upper and lower flanges and webs,
It has a plurality of box-shaped base materials having a U-shaped cross section or a substantially U-shaped cross section provided on one wide surface of the web at intervals in the longitudinal direction of the beam body.
A through-floor receiving material that supports a drop-in type dry floor can be attached to the vertical piece constituting the box-shaped base material.
The vertical piece is provided flush with the end of the flange or at a position outside the end.

According to this aspect, a plurality of box-shaped base materials having a U-shaped cross section or a substantially U-shaped cross section are provided on the wide surface of the web of the beam body, and the web is provided with respect to the box-shaped base material. Since a through floor support material extending in the longitudinal direction can be attached, a large number of floor support base metal fittings for supporting the dry floor can be eliminated, and each floor support base metal fitting is bolted to the web. A large number of bolt holes can be eliminated. Since the cross-sectional shape of the box-shaped base material is U-shaped, etc., the box-shaped base material has high rigidity, and therefore, the arrangement of the floor support base metal fittings formed of conventional channel steel or the like. It suffices to be attached to the web at a pitch of about 1 m to 1.5 m, which is much longer than the pitch (305 mm or less). Here, "the box-shaped base material is provided on one wide surface of the web" includes a form in which the box-shaped base material is fixed to the web by, for example, welding. As described above, since the box-shaped base material is provided on one wide surface of the web, it is not necessary to provide mounting bolt holes in the web. The U-shaped box-shaped base material can be formed, for example, by bending flat steel into a U-shape, or by welding three flat steel sheets.

Further, in this embodiment, the vertical pieces constituting the box-shaped base material are arranged flush with the ends of the upper and lower flanges of the dry floor receiving beam or at positions outside the ends, whereby the vertical pieces are arranged. The attachability of the through-floor receiving material to the floor is improved. Further, since the vertical piece is located at a position relatively far from the web, it is possible to prevent the vertical piece from interfering with other members (including bolts) attached to the web.

Further, in another aspect of the dry floor receiving beam according to the present invention, the through floor receiving material extending in the longitudinal direction of the beam body is attached to the vertical pieces of the box-shaped base material. It is characterized by that.

According to this aspect, a through-floor receiving material extending in the longitudinal direction of the beam body is attached to a plurality of vertical pieces of the box-shaped base material, and a dry floor is dropped into the through-floor receiving material. Since it is placed in a vertical state, the dry floor can be stably supported by the through-floor receiving material. Here, in order to fix the through-floor receiving material to the vertical piece of the box-shaped base material, the bolt holes provided in the through-floor receiving material are aligned with the bolt holes provided in the vertical piece and bolted. It is done by things. The through-floor receiving material is formed of a shaped steel material such as angle steel, and depending on the mode of dropping, the angle steel is arranged in an L shape and attached to the box-shaped base material, and the angle steel is arranged in an inverted L shape. There is a usage pattern that is installed and attached to the box-shaped base material.

Further, in another aspect of the dry floor receiving beam according to the present invention, a wall support material for supporting the wall is attached to the wide surface of the web opposite to the wide surface to which the box-shaped base material is attached. It is characterized by being.

According to this aspect, a plurality of box-shaped base materials are fixed to one wide surface of the web, and on the other wide surface of the web, the outer wall of the building, the waist wall constituting the balcony, the boundary wall and the partition wall in the room are fixed. By attaching the wall support material that supports various walls, the drywall receiving beam has both the function of supporting the drop-type dryfloor and the function of supporting the wall. Here, the form of supporting the wall by the wall support material includes a form of entering the inside of the wall from the lower side of the wall and bolting to the constituent members of the wall, a form of supporting the lower end of the wall from below, and the like. be.

Further, another aspect of the dry floor receiving beam according to the present invention is fixed to the upper horizontal piece, the vertical piece, and the lower horizontal piece constituting the box-shaped base material inside the box-shaped base material. It is characterized by being provided with reinforcing ribs.

According to this aspect, a box-shaped base material having a higher rigidity is formed by providing one or more reinforcing ribs inside the U-shaped or substantially U-shaped box-shaped base material. Will be done. Here, it is preferable that the reinforcing ribs are fixed to the upper horizontal piece, the vertical piece, and the lower horizontal piece constituting the box-shaped base material by welding or the like.

Further, in another aspect of the dry floor receiving beam according to the present invention, the box-shaped base material having a substantially U-shape is in the middle of the vertical piece of a steel material having an L-shaped cross section including the upper horizontal piece and the vertical piece. It is formed by fixing the lower horizontal piece to the position,
The gap formed by the lower horizontal piece and the vertical piece is characterized in that it is a gap for preventing interference with other members.

According to this aspect, the substantially U-shaped box-shaped base material has a gap formed by the lower horizontal piece and the vertical piece below the gap, and the gap is connected to, for example, another member (bolt). The gap for preventing interference with (including) makes it possible for the box-shaped base material to support the dry floor while avoiding interference with other members.

In addition, one aspect of the beam and floor fitting structure according to the present invention is
It is a structure in which the beam and the floor are housed, which is composed of the dry floor receiving beam and the dry floor supported by the dry floor receiving beam.
The dry floor is placed and fixed on the through-floor receiving material in a dropped state.

According to this aspect, a dry floor receiving beam in which a plurality of box-shaped base materials having a U-shaped cross section are fixed to the wide surface of the web of the beam body is applied to the box-shaped base material. Since a through-floor support material extending in the longitudinal direction of the web can be attached, the through-floor can be installed without the need for a large number of floor support base metal fittings for supporting the dry floor and a large number of bolt holes in the web. The dry floor can be stably supported by the receiving material.

Further, in another aspect of the beam and floor fitting structure according to the present invention, the drywall is one of an ALC panel and a precast concrete panel, and the drywall is fixed to the flange via a fixing bracket. It is characterized by being.

According to this aspect, the workability is improved by applying an ALC (Autoclaved Light weight Concrete) floor slab (ALC panel) or a precast concrete floor slab (PCa floor slab, PCa panel) as a dry floor. At the same time, it is possible to form a beam and floor fitting structure with excellent fire resistance.

Further, in another aspect of the beam and floor fitting structure according to the present invention, the drywall is a balcony deck.
The dry floor receiving beam is a balcony floor beam.
The balcony deck is placed on the indoor side of the balcony floor beam,
The waist wall is located on the outdoor side of the balcony floor beam.
The wall support material is characterized in that it supports the waist wall.

According to this aspect, a dry floor receiving beam (balcony floor beam) in which a plurality of box-shaped base materials having a U-shaped cross section are fixed to the wide surface of the web of the beam body is applied. Forming a balcony with stable support of the waist wall and a given water gradient, while eliminating the need for numerous floor bearings and numerous bolt holes in the web to support dry floors (balcony floor slabs). can do.

In addition, another aspect of the beam and floor fitting structure according to the present invention is that there are an outer corridor or a balcony and a flat roof on the left and right sides of the waist wall, respectively.
The dry floor is an outer corridor floor slab or a balcony floor slab.
The dry floor receiving beam is an outer corridor floor beam or a balcony floor beam.
The wall support material is characterized in that it supports the waist wall.

According to this aspect, even in a form in which a land roof is provided on one of the left and right sides of the waist wall (handrail waist wall) and an outer corridor or balcony of an apartment building is provided on the other side, the cross-sectional shape is large on the wide surface of the web of the beam body. Supports dry floors (outer corridor floor slabs or balcony floor slabs) by applying dry floor receiving beams (outer corridor floor beams or balcony floor beams) to which multiple box-shaped base materials such as letters are fixed. Forming both a land roof and an outer corridor or balcony with stable support of the waist wall and a given water gradient, while eliminating the need for numerous floor support base fittings and numerous bolt holes in the web. Can be done.

Further, in another aspect of the beam and floor fitting structure according to the present invention, the drywall is an entrance soil floor slab.
The dry floor receiving beam is an entrance floor beam.
The entrance floor slab is placed and fixed on the through-floor receiving material of the entrance floor beam, and the entrance floor slab is placed and fixed on the upper flange of the entrance floor beam.

According to this aspect, a dry floor receiving beam (entrance floor beam) in which a plurality of box-shaped base materials having a U-shaped cross section are fixed to the wide surface of the web of the beam body is applied. It is possible to form entrance soil and entrance floors that are arranged through the entrance stile, while eliminating the need for numerous floor beam base fittings to support dry floors (entrance floor slabs) and numerous bolt holes in the web. can.

Further, in another aspect of the beam and floor fitting structure according to the present invention, the drywall is a bathroom deck.
The dry floor beam is a bathroom floor beam.
The bathroom floor slab is placed and fixed on the through floor receiving material of the bathroom floor beam, and the washroom floor slab is placed and fixed on the upper flange of the bathroom floor beam.

According to this aspect, a dry floor receiving beam (bathroom floor beam) in which a plurality of box-shaped base materials having a U-shaped cross section are fixed to the wide surface of the web of the beam body is applied. It is possible to form a bathroom such as a unit bath and a washroom adjacent thereto, while eliminating the need for a large number of floor support base metal fittings for supporting a dry floor (bathroom floor slab) and a large number of bolt holes in the web.

As can be understood from the above explanation, according to the dry floor receiving beam of the present invention and the structure of the beam and the floor, a large number of floor receiving base metal fittings for supporting the dry floor can be eliminated, and the large number of floors can be used. It is possible to eliminate the need for a large number of bolt holes for attaching the receiving base metal fittings to the web.

It is a vertical cross-sectional view of an example of a conventional beam and floor fitting structure. It is an exploded perspective view of an example of the dry floor support beam which concerns on embodiment, and is the figure which showed the through floor support material in two mounting postures. It is a perspective view of an example of the dry floor receiving beam which concerns on embodiment. It is a figure which shows the other deformation example of a box-shaped base material. It is a vertical cross-sectional view of an example of the accommodation structure of a beam and a floor which concerns on 1st Embodiment. It is a vertical sectional view of an example of the accommodation structure of a beam and a floor which concerns on 2nd Embodiment. It is a vertical cross-sectional view of another example of a beam and floor fitting structure which concerns on 2nd Embodiment. It is a vertical sectional view of an example of the accommodation structure of a beam and a floor which concerns on 3rd Embodiment. It is a vertical sectional view of an example of the accommodation structure of a beam and a floor which concerns on 4th Embodiment.

Hereinafter, an example of the drywall receiving beam and an example of the fitting structure of the beam and the floor according to the embodiment will be described with reference to the attached drawings. In the present specification and the drawings, substantially the same components may be designated by the same reference numerals to omit duplicate explanations.

[Dry floor receiving beam according to the embodiment]
First, an example of the dry floor receiving beam according to the embodiment will be described with reference to FIGS. 2 to 4. Here, FIG. 2 is an exploded perspective view of an example of the dry floor receiving beam according to the embodiment, and is a view showing the through floor receiving material in two mounting postures, and FIG. 3 is a dry type according to the embodiment. It is a perspective view of an example of a floor receiving beam.

The illustrated dry floor receiving beam 15 has a beam main body 10 formed of H-shaped steel having a web 11, an upper flange 12, and a lower flange 13, and a plurality of the dried floor receiving beams 15 fixed to one wide surface of the web 11 (illustration example). Has two) box-shaped base materials 50 and a through-floor receiving material 55 attached to each box-shaped base material 50.

The through-floor receiving material 55 is formed of angle steel, and FIG. 2 shows two postures of the through-floor receiving material 55 attached to each box-shaped base material 50, while the opposite (center view of FIG. 2) is reversed. The other side (lower figure of FIG. 2) is attached to the box-shaped base material 50 in an L-shaped posture.

The through-floor receiving material 55 shown in the central view of FIG. 2 has a vertical piece 56 and an upper horizontal piece 57 (upper horizontal piece), and the vertical piece 56 is bolted to two box-shaped base materials 50. Two sets of two sets of bolt holes 56a are provided, and a reinforcing rib 58 having a triangular shape in a plan view is welded and joined at the center position of each set of bolt holes 56a. In the through-floor receiving material 55 bolted to each box-shaped base material 50 in this posture, the dry floor is placed on the upper surface of the upper horizontal piece 57.

On the other hand, the through-floor receiving material 55 shown in the lower figure of FIG. 2 has a vertical piece 56 and a lower horizontal piece 57 (lower horizontal piece), and the vertical piece 56 is bolted to two box-shaped base materials 50. It is provided with two sets of bolt holes 56a. In the through-floor receiving material 55 bolted to each box-shaped base material 50 in this posture, the dry floor is dropped and placed between the upper surfaces of the vertical piece 56 and the lower horizontal piece 57.

The box-shaped base material 50 has a U-shaped cross section, has a vertical piece 51, an upper horizontal piece 52, and a lower horizontal piece 53, and is formed of flat steel inside the U-shape. Reinforcing ribs 54 are welded together. In the vertical piece 51, bolt holes 51a are provided at the left and right positions of the reinforcing ribs 54, and the bolt holes 56a provided in the through floor receiving material 55 are aligned so that the bolts can be inserted.

Further, the vertical pieces 51 constituting the box-shaped base material 50 are arranged flush with the ends 12a and 13a of the upper and lower flanges 12 and 13 of the beam body 10 or at positions outside the ends 12a and 13a. (T2 ≧ t1 when the width t1 from the web 11 to the flange end and the width t2 from the web 11 to the outer surface of the vertical piece 51). As a result, the attachability of the through-floor receiving material 55 to the vertical piece 51 is improved, and since the vertical piece 51 is located at a position relatively distant from the web 11, other members and bolts attached to the web 11 It is possible to prevent the vertical piece 51 from interfering with the above.

The upper horizontal piece 52, the lower horizontal piece 53, and the end piece of the reinforcing rib 54 of the box-shaped base material 50 are welded to the wide surface of the web 11 of the beam body 10. In the present specification, "welding" refers to the strength and joining mode (rigid connection, pin connection) required for the joint such as groove welding (complete penetration welding, partial penetration welding) and fillet welding. Indicates the appropriate weld to be selected.

For example, the through-floor receiving material 55 shown in the central view of FIG. 2 is aligned with the box-shaped base material 50 attached to the beam body 10 shown in FIG. 2, and bolts are inserted into the corresponding bolt holes 51a and 56a. The dry floor receiving beam 15 shown in FIG. 3 is formed by inserting and tightening nuts (joining with bolts and nuts 59).

Here, the dry floor receiving beam 15 of the illustrated example has a form in which two box-shaped base materials 50 are joined to the web 11 of the beam main body 10, but depending on the length of the dry floor receiving beam 15 and the like, Three or more box-shaped base materials 50 may be joined. Since the cross-sectional shape of the box-shaped base material 50 has a U-shape or the like, the box-shaped base material 50 has high rigidity. Therefore, it can be attached to the web 11 at a pitch of about 1 m to 1.5 m, which is much longer than the arrangement pitch (305 mm or less) of the floor support base metal fittings formed of conventional channel steel or the like. ..

On the other wide surface of the web 11 shown in FIG. 3 (the wide surface on the side where the box-shaped base material 50 is not joined), the wall support material 60 (see FIG. 5 and the like) that supports the wall is attached to the web 11. It is attached by bolt joining or the like. As described above, the dry floor receiving beam 15 in the form in which the wall support member 60 is attached to the other wide surface of the web 11 has a function of supporting the dry floor in a dropped state and supporting a wall such as a waist wall. It has both functions.

FIG. 4 shows another modified example of the box-shaped base material. The box-shaped base material 50A shown in FIG. 4 is a box-shaped base material having a substantially U-shape, and has an L-shaped (inverted L-shaped) upper horizontal piece 52 formed by bending flat steel. It has a vertical piece 51, and a lower horizontal piece 53A made of a separate flat steel is attached to a position in the middle of the vertical piece 51 by welding. More specifically, a reinforcing rib 54 formed of flat steel is welded and joined to the vertical piece 51 and the reinforcing rib 54 at the center position inside the upper horizontal piece 52 and the vertical piece 51. The box-shaped base material 50A is formed by welding and joining each of them.

According to the box-shaped base material 50A, since the lower horizontal piece 53A is located above the box-shaped base material 50 shown in FIG. 2, a gap G is formed below the lower horizontal piece 53A. As a result, when the box-shaped base material 50 is applied and the lower horizontal piece 53 interferes with other metal fittings, bolts, or the like, the box-shaped base material 50A interferes with such other members. Can be resolved.

According to the dry floor receiving beam 15, a plurality of box-shaped base materials 50 and 50A having a U-shaped cross section or a substantially U-shaped cross section are fixed to the wide surface of the web 11 of the beam main body 10 to form a box. Since the through floor support material 55 extending in the longitudinal direction of the web 11 can be attached to the shape base materials 50 and 50A, a large number of floor support base metal fittings for supporting the dry floor are not required. It is possible to eliminate the need for a large number of bolt holes for bolting each floor support base metal fitting to the web.

[Beam and floor fitting structure according to the embodiment]
Next, an example of the beam and floor fitting structure according to each embodiment will be described with reference to FIGS. 5 to 8.

<Beam and floor fitting structure according to the first embodiment>
First, with reference to FIG. 5, an example of a beam and floor fitting structure according to the first embodiment will be described. Here, FIG. 5 is a vertical sectional view of an example of a beam and floor fitting structure according to the first embodiment.

The beam and floor fitting structure 200 shown in FIG. 5 is an example of a balcony floor beam and balcony floor slab fitting structure as in FIG. 1. In the beam-floor fitting structure 200, the balcony floor slab 40A (an example of a dry floor) is mounted on the through floor receiving material 55 provided in the balcony floor beam 15A (an example of a dry floor receiving beam). It is placed.

A through hole 41 is provided in the balcony floor slab 40A, and the tip of the fixing bracket 42 dropped into the through hole 41 engages with the lower surface of the horizontal piece 57 (upper horizontal piece) of the floor receiving material 55. The balcony floor slab 40A is fixed to the balcony floor beam 15A.

Here, an ALC floor slab (ALC panel) or a precast concrete floor slab (PCa panel) is applied to the balcony floor slab 40A.

On the other hand, a wall support member 60 is attached to the wide surface of the web 11 of the beam body 10 constituting the balcony floor beam 15A on the outdoor side by bolts and nuts 62 via a fixing piece 61, and the wall overhangs to the outdoor side. The support material 60 supports the waist wall 30 of the balcony. The waist wall 30 includes a waist wall frame 31, a waist wall panel 32 fixed to the indoor side and the outdoor side by screws or the like, and a cap tree 35 attached at the top end thereof via a waterproof material 34. The legs of the waist wall frame 31 are fixed by being bolted to the wall support member 60.

A fireproof coating molded plate 36 extending between the end of the balcony floor slab 40A and the waist wall 30 is disposed on the upper surface of the upper flange 12 of the balcony floor beam 15A, and the upper surface of the balcony floor slab 40A and the fireproof coating molded plate 36 are arranged. The upper surface of the is flat. Of the waist wall 30, the waist wall panel 32 on the indoor side is cut off at an intermediate position, a drain cover 37e is attached to the lower end of the waist wall panel 32, and a waterproof base plywood 37a and a rising waterproof base plate are further below. 37b is attached, and these are covered with rising waterproof sheets 37c and 37d. A waterproof base material 38a and a waterproof sheet 38b are laid on the upper surface of the balcony floor slab 40A and the upper surface of the fireproof coating molded plate 36, and a predetermined water gradient is provided.

According to the beam-floor fitting structure 200, the balcony floor beam 15A provided with a plurality of box-shaped base materials 50 is supported in a state where the balcony floor slab 40A is dropped, and the balcony floor beam 15A is provided. Since the waist wall 30 of the balcony is supported by the wall support material 60, the waist wall 30 is stably supported and is supported while eliminating the need for a large number of floor support base metal fittings and a large number of bolt holes in the web. A balcony with a predetermined water gradient is formed.

<Beam and floor fitting structure according to the second embodiment>
Next, an example and another example of the beam and floor fitting structure according to the second embodiment will be described with reference to FIGS. 6A and 6B. Here, FIGS. 6A and 6B are vertical cross-sectional views of an example and another example of the beam and floor fitting structure according to the second embodiment, respectively.

The beam and floor fitting structure 300 shown in FIG. 6A has a beam and a floor in a form in which a land roof is provided on one of the left and right sides (left side in the illustrated example) of the waist wall 30 which is a handrail waist wall, and the balcony of an apartment house is on the other side. It is a fitting structure. On the balcony side, it has almost the same structure as the beam and floor fitting structure 200 shown in FIG. 5, and the balcony floor slab 40A is dropped into the through floor receiving material 55 provided in the balcony floor beam 15A. It is placed in a vertical position, and a balcony with a predetermined water gradient is formed.

On the other hand, a dry floor 45'having a width similar to that of the waist wall is arranged below the waist wall 30, and the wall support material 60 of the balcony floor beam 15A supports the dry floor 45'from below. There is.

A land roof having a predetermined water gradient is provided on the left side of the waist wall 30, and in this land roof, a dry floor 45 is placed on the upper surface of the upper flange 12'of the floor beam 10'formed of H-shaped steel. A through hole 41 is provided in the dry floor 45, and the tip of the fixing bracket 42 dropped into the through hole 41 engages with the lower surface of the upper flange 12', so that the dry floor 45 becomes a floor beam 10. It is fixed to'. A gradient heat insulating material 38c is placed on the upper surface of the dry floor 45, and a waterproof base material 38a and a waterproof sheet 38b are laid on the gradient heat insulating material 38c.

On the other hand, the beam and floor fitting structure 400 shown in FIG. 6B has a flat roof on one of the left and right sides (left side in the illustrated example) of the waist wall 30 which is a handrail waist wall, and the outer corridor of the apartment house on the other side. It is a structure that accommodates beams and floors. The outer corridor side has the same structure as the beam and floor fitting structure 300 shown in FIG. 6A, and the outer corridor floor slab 40B is dropped with respect to the through floor receiving material 55 provided in the outer corridor floor beam 15B. It is placed in a stowed state, and an outer corridor with a predetermined water gradient is formed. Further, on the left side of the waist wall 30, a flat roof having a predetermined water gradient is provided as in FIG. 6A.

The balcony floor slab 40A and the outer corridor floor slab 40B were dropped in the balcony floor beam 15A and the outer corridor floor beam 15B provided with a plurality of box-shaped base materials 50 by the beam and floor fitting structures 300 and 400. Since the waist wall 30 is supported by the wall support material 60 provided in the balcony floor beam 15A and the outer corridor floor beam 15B as well as being supported in a state, a large number of floor support base metal fittings and a large number of bolts in the web. A balcony or an outer corridor is formed in which the waist wall 30 is stably supported and a predetermined water gradient is provided, while eliminating the need for holes.

<Beam and floor fitting structure according to the third embodiment>
Next, with reference to FIG. 7, an example and another example of the beam and floor fitting structure according to the third embodiment will be described. Here, FIG. 7 is a vertical cross-sectional view of an example and another example of the beam and floor fitting structure according to the third embodiment.

The beam and floor fitting structure 500 shown in FIG. 7 includes a bathroom constituting a unit bath, a washroom on one side of the bathroom (on the right side in the illustrated example), and an outer wall on the other side of the bathroom (on the left side in the illustrated example). In the form provided with the inner wall and the bathroom floor slab 40C in a state of being dropped with respect to the two left and right bathroom floor beams 15C and 15C', the beam and floor fitting structure is supported.

In the web 11 of the beam body 10 constituting the bathroom floor beam 15C on the washroom side, a plurality of box-shaped base materials 50 are joined to the wide surface on the left side on the bathroom side, and the floor is passed through each box-shaped base material 50. The receiving member 55 is arranged in an L-shaped posture and is attached via a bolt nut 59.

On the other hand, in the web 11 of the beam body 10 constituting the bathroom floor beam 15C'on the outer wall side, a plurality of box-shaped base materials 50 are joined to the wide surface on the right side on the bathroom side, and for each box-shaped base material 50. The through-floor receiving member 55 is arranged in an L-shaped posture and is attached via bolts and nuts 59.

The bathroom floor slab 40C is placed in a state of being dropped on the left and right through floor receiving materials 55. A through hole 41 is provided in the bathroom floor slab 40C, and the tip of the fixing bracket 42 dropped into the through hole 41 engages with the lower surface of the horizontal piece 57 (lower horizontal piece) of the floor receiving material 55. The bathroom floor slab 40C is fixed to the left and right bathroom floor beams 15C and 15C'.

In the bathroom floor beam 15C, a dry floor 46 (washroom floor slab) for a washroom is placed on the upper surface of the upper flange 12 of the beam body 10, and a gap between the dry floor 46 and the bathroom floor slab 40C is vertically formed. The upright dry floor 48 is closed. A through hole 41 is provided in the dry floor 46, and the tip of the fixing bracket 42 dropped into the through hole 41 engages with the lower surface of the upper flange 12 to fix the dry floor 46 to the bathroom floor beam 15C. Has been done. On the upper surface of the dry floor 46, a plurality of floor components are laid in order to form a washroom, and a bathroom door 72 is provided which connects the washroom and the bathroom so as to be openable and closable. A fireproof coating material 67 is arranged around the bathroom floor beam 15C, and the vicinity of one end of the fireproof coating material 67 is fixed to the lower surface of the dry floor 46 from the side of the bathroom floor beam 15C on the washroom side. It surrounds the lower surface of the lower flange 13 and further extends to the lower surface of the bathroom floor slab 40C. Although not shown, for example, there may be a partition wall on the back side of the paper surface, and the partition wall may be supported by the dry floor 46.

On the other hand, in the bathroom floor beam 15C', a thin dry floor 47 is placed on the upper surface of the upper flange 12 of the beam body 10 via a fireproof coating molded plate 65, and is between the dry floor 47 and the bathroom floor slab 40C. The dry floor 48, which is vertically erected in the gap between the two, is closed.

An inner wall 73 is supported on the dry floor 47, and the inner wall 73 has a metal stud 74a and an inner wall runner 74b, and an inner wall board 74c formed of gypsum board or the like.

In the bathroom floor beam 15C', a plurality of wall support members 60 formed by bent gusset plates are bolted to the wide surface of the web 11 on the outer wall side at intervals in the longitudinal direction of the beam body 10. Each wall support member 60 projects toward the outer wall side. A mounting bracket 63 made of angle steel (an example of the shaped steel material) is attached to the corner portion of each wall support member 60 on the outer wall side by welding.

The outer wall receiving metal fitting 64, which is a through metal fitting extending in the width direction of the outer wall 75, is attached to the mounting metal fitting 63 provided with the plurality of wall support members 60, which are attached at intervals in the longitudinal direction of the beam body 10. Has been done. More specifically, the outer wall receiving metal fitting 64 is also made of angle steel, and bolts are inserted into bolt holes (not shown) provided in both metal fittings and tightened with nuts (bolt nut 62). The outer wall 75 is bolted to the outer wall receiving metal fitting 64. Since the outer wall receiving metal fitting 64 is a through metal fitting fixed to the plurality of wall supporting members 60, the entire area of the outer wall 75 can be fixed by the outer wall receiving metal fitting 17.

The outer wall 75 has an outer wall panel 76a, a panel frame 76b, and a heat insulating material 76c. The outer wall panel 76a is formed of, for example, a ceramic-based or metal-based siding board. Further, the panel frame 76b is formed by assembling channel steel in a frame shape. The heat insulating material 76c is made of glass wool, rock wool, or the like.

Further, in the dead space S between one end of the dry floor 47 and the outer wall 75, a heat insulating sound absorbing board 66 formed of rock wool or the like is arranged.

Even with the beam-floor fitting structure 500, the bathroom floor slab 40C is supported by the bathroom floor beams 15C and 15C'provided with a plurality of box-shaped base materials 50 in a dropped state. The washroom and bathroom are formed, eliminating the need for floor beam base fittings and numerous bolt holes in the web.

<Beam and floor fitting structure according to the fourth embodiment>
Next, with reference to FIG. 8, an example and another example of the beam and floor fitting structure according to the fourth embodiment will be described. Here, FIG. 8 is a vertical cross-sectional view of an example and another example of the beam and floor fitting structure according to the fourth embodiment.

The beam and floor fitting structure 600 shown in FIG. 8 is located between the entrance soils constituting the entrance, the entrance floor on one side between the entrance soils (on the right side in the illustrated example), and on the other side between the entrance soils (on the left side in the illustrated example). In the form of having a certain entrance door, it is a beam-floor fitting structure in which the entrance soil floor slab 40D in a state of being dropped against the two left and right entrance floor beams 15D and 15D'is supported. ..

In the web 11 of the beam body 10 constituting the entrance floor beam 15D on the entrance floor side, a plurality of box-shaped base materials 50 are joined to the wide surface on the left side on the entrance soil side, and are passed through each box-shaped base material 50. The floor receiving material 55 is arranged in an inverted L-shaped posture and is attached via bolts and nuts 59.

On the other hand, in the web 11 of the beam body 10 constituting the entrance floor beam 15D'on the entrance door side, a plurality of box-shaped base materials 50 are joined to the wide surface on the right side on the entrance soil side, and each box-shaped base material 50 is joined. On the other hand, the through-floor receiving member 55 is arranged in an inverted L-shaped posture and is attached via a bolt nut 59.

The entrance soil floor slab 40D is placed on the left and right through floor receiving materials 55 in a dropped state. A through hole 41 is provided in the entrance soil floor slab 40D, and the tip of the fixing bracket 42 dropped into the through hole 41 engages with the lower surface of the horizontal piece 57 (upper horizontal piece) of the floor receiving material 55. As a result, the entrance soil floor slab 40D is fixed to the left and right entrance floor beams 15D and 15D'.

In the entrance floor beam 15D, a dry floor 46 (entrance floor slab) for the entrance floor is placed on the upper surface of the upper flange 12 of the beam body 10. A soil mortar 78a is constructed on the upper surface of the entrance soil floor slab 40D, and a plurality of tiles 78b are laid out on the soil mortar 78a. A crosspiece 77a is installed on the upper surface of the entrance soil floor slab 40D near the end on the entrance floor side, and plywood 77b and the entrance stile 77c are laminated in this order. On the other hand, on the upper surface of the dry floor 46, a plurality of floor constituent materials are laid in order to form an entrance floor, and the entrance stile 77c and the uppermost floor constituent material are formed flush with each other. Although not shown, for example, there may be a partition wall on the back side of the paper surface, and the partition wall may be supported by the dry floor 46.

On the other hand, in the entrance floor beam 15D', the box-shaped base material 50 is also joined to the wide surface of the web 11 of the beam body 10 on the entrance door side, and the box-shaped base material 50 is joined to the large-sized through floor receiving material 55'. Is attached by bolts and nuts 59. A fireproof coating molded plate 66 is placed on the upper surface of the upper flange 12, and a thin dry floor 47 is placed over the upper surface of the upper flange 12 and the upper surface of the through floor receiving material 55'. A soil mortar 78a is constructed above. An entrance door 79 is provided on the outdoor side of the dry floor 47.

Even with the beam-floor fitting structure 600, the entrance floor beams 15D and 15D'with a plurality of box-shaped base materials 50 support the entrance soil floor slab 40D in a dropped state. The entrance soil and the entrance floor are formed while eliminating the need for the floor support base metal fittings and the large number of bolt holes in the web.

It should be noted that the configuration or the like described in the above embodiment may be another embodiment in which other components are combined, and the present invention is not limited to the configuration shown here. This point can be changed without departing from the spirit of the present invention, and can be appropriately determined according to the application form thereof.

10, 10A, 10B, 10C, 10D: Beam body 11: Web 12: Upper flange (flange)
13: Lower flange (flange)
15: Dry floor beam 15A: Balcony floor beam (dry floor beam)
15B: Outer corridor floor beams (dry floor receiving beams)
15C, 15C': Bathroom floor beams (dry floor receiving beams)
15D, 15D': Entrance floor beams (dry floor receiving beams)
30: Waist wall 31: Waist wall frame 32: Waist wall panel 34: Waterproof material 35: Kasagi 36: Fireproof coating molded plate 37a: Waterproof base plywood 37b: Standing waterproof base plate 37c, 37d: Standing waterproof sheet 37e: Drainage cover 38a: Waterproof base material 38b: Waterproof sheet 38c: Gradient heat insulating material 40: Dry floor 40A: Balcony floor slab (dry floor)
40B: Outer corridor floor slab (dry floor)
40C: Bathroom floor slab (dry floor)
40D: Entrance soil floor slab (dry floor)
41: Through hole 42: Fixing bracket 45, 46, 47, 48: Dry floor 50, 50A: Box-shaped base material 51: Vertical piece 51a: Bolt hole 52: Upper horizontal piece 53, 53A: Lower horizontal piece 54: Reinforcing rib 55: Through floor receiving material 56: Vertical piece 56a: Bolt hole 57: Horizontal piece (upper horizontal piece, lower horizontal piece)
58: Reinforcing rib 59: Bolt nut 60: Wall support material 61: Fixing piece 62: Bolt nut 63: Mounting bracket 64: Outer wall receiving bracket 65: Fireproof coating molded plate 66: Insulation sound absorbing board 67: Fireproof coating material 72: Bathroom door 73: Inner wall 74a: Stud 74b: Inner wall runner 74c: Inner wall board 75: Outer wall 76a: Outer wall panel 76b: Panel frame 76c: Insulation material 77a: Crosspiece 77b: Plywood 77c: Entrance stile 78a: Doma mortar 78b: Tile 79: Entrance door 200,300,400,500,600: Beam and floor fitting structure G: Gap S: Dead space

Claims (11)

A beam body, formed of H-section steel with upper and lower flanges and webs,
It has a plurality of box-shaped base materials having a U-shaped cross section or a substantially U-shaped cross section provided on one wide surface of the web at intervals in the longitudinal direction of the beam body.
A through-floor receiving material that supports a drop-in type dry floor can be attached to the vertical piece constituting the box-shaped base material.
A dry floor receiving beam, characterized in that the vertical piece is arranged flush with the end of the flange or at a position outside the end. The dry floor support according to claim 1, wherein the through floor support material extending in the longitudinal direction of the beam body is attached to the vertical pieces of the box-shaped base material. Lumber. The first or second aspect of the web, wherein the wall support material for supporting the wall is attached to the wide surface opposite to the wide surface to which the box-shaped base material is attached. Dry floor receiving beams. The claim is characterized in that, inside the box-shaped base material, a reinforcing rib fixed to the upper horizontal piece, the vertical piece, and the lower horizontal piece constituting the box-shaped base material is provided. Item 3. The dry floor receiving beam according to any one of Items 1 to 3. The box-shaped base material having a substantially U-shape is formed by fixing a lower horizontal piece at an intermediate position of the vertical piece of a steel material having an L-shaped cross section having an upper horizontal piece and the vertical piece. Ori,
The dry floor receiving beam according to any one of claims 1 to 4, wherein the gap formed by the lower horizontal piece and the vertical piece is a gap for preventing interference with other members. A beam and floor accommodating structure composed of the dry floor receiving beam according to any one of claims 1 to 5 and the dry floor supported by the dry floor receiving beam.
A beam-floor fitting structure, characterized in that the dry floor is placed and fixed on the through-floor receiving material in a dropped state. The beam and floor according to claim 6, wherein the dry floor is one of an ALC panel and a precast concrete panel, and the dry floor is fixed to the flange via a fixing bracket. Fitting structure. The dry floor is a balcony deck.
The dry floor receiving beam is a balcony floor beam.
The balcony deck is placed on the indoor side of the balcony floor beam,
The waist wall is located on the outdoor side of the balcony floor beam.
The beam and floor fitting structure according to claim 6 or 7, wherein the wall support material supports the waist wall. There are outer corridors or balconies and flat roofs on the left and right sides of the waist wall, respectively.
The dry floor is an outer corridor floor slab or a balcony floor slab.
The dry floor receiving beam is an outer corridor floor beam or a balcony floor beam.
The beam and floor fitting structure according to claim 6 or 7, wherein the wall support material supports the waist wall. The dry floor is a floor slab of the entrance soil.
The dry floor receiving beam is an entrance floor beam.
6. The aspect 6 is characterized in that the entrance floor slab is placed and fixed on the through floor receiving material of the entrance floor beam, and the entrance floor slab is placed and fixed on the upper flange of the entrance floor beam. Or the beam and floor fitting structure described in 7. The dry floor is a bathroom deck.
The dry floor beam is a bathroom floor beam.
6. The aspect 6 is characterized in that the bathroom floor slab is placed and fixed on the through floor receiving material of the bathroom floor beam, and the washroom floor slab is placed and fixed on the upper flange of the bathroom floor beam. Or the beam and floor fitting structure described in 7.

Images