JP2000054540A - Slab structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slab structure excellent in in-plane shearing strength and in-plane shearing rigidity, preventing floor vibration by simple construction, at the same time, hard to have an influence over deformation such as warp, etc., of members caused by expansion and contraction with dimension tolerance, mounting tolerance of members or heat and moisture flow by simple connection of members, capable of ensuring maintenance of a slab panel as well as the faciliation of construction management. SOLUTION: Girders 2a and 2b arranged parallel with each other and a plurality of structural plywood sheets 5 are mounted to the upper part of ALC panels 3 fitted between the girders 2a and 2b and borne on holding members 4. Then, a part around the structural plywood sheets 5 is fixed to the girders 2a and 2b and, at the same time, the neighborhood of a joint section between the structural plywood sheets 5 adjacent to each other is fixed to the same ALC panels 3 and the same girders 2a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slab structure constituting a slab surface such as a floor or a roof in a building.

[0002]

2. Description of the Related Art As a conventional slab structure, for example, a technique disclosed in Japanese Utility Model Registration No. 2521524 (first known example) is fixed between a floor beam 51 and a trunk 56 as shown in FIG. An ALC (lightweight cellular concrete) panel 53 is placed on the received receiving member 52, and a floor beam 51, a gutter 56 and an ALC
A wood panel 54 is attached on the panel 53 with a rubber adhesive 55 or nailing.

[0003] A horizontal end portion 54 of the wood facing 54 protrudes in the horizontal direction.
a and 54b are placed on the girder 56 and the floor beam 51, and the wall panel 57
The peripheral end 54a on the side is inserted into a cutout 56a formed inside the upper end of the trunk 56 by the thickness of the wooden surface material 54. The lower frame member 57a of the upper floor wall panel 57 and the upper frame member 58a of the lower floor wall panel 58 are connected by a trunk bolt 59 so that the peripheral end portion 54a of the wooden surface member 54 becomes the lower frame member of the wall panel 57. 57a
It is sandwiched between 56 and.

In the above construction, the horizontal force applied to the floor portion 50 due to an earthquake or the like is transmitted from the vertical wall panels 57, 58 to the wooden surface material 54, and from the wooden surface material 54, the floor, which is a main structural material of the same quality, It is described that the shearing force is hardly applied to the ALC panel 53 which is a concrete floor body by being efficiently dispersed and transmitted to the beam 51, and buckling of the ALC panel 53 can be prevented.

That is, when a load is applied to the floor portion 50 due to an earthquake or the like, the peripheral ends 54a and 54b of the
Since the wood facing 54 is connected to the girder 56 and the floor beam 51 for connecting the members 7 and 58, the wood facing 54 mainly receives horizontal force.
The force can be effectively dispersed from 54 to a wall or the like via a girth 56 and a floor 50.

At this time, the external force from the surrounding structural material is hardly applied to the ALC panel 53, and the in-plane shearing force (shearing force due to the force received from the plane including the slab surface) is not applied to the ALC panel 53. ALC even in earthquakes
The panel 53 can be guaranteed, and damage to the structure can be reduced.

The technique disclosed in Japanese Unexamined Patent Publication No. 4-52349 (second known example) employs a wooden frame 63 by a large beam 61 and a small beam 62 as shown in FIGS. 6 (a) and 6 (b). The support angle 64 is fixed to the small beam 62. And AL
An ALC panel 65 in which both ends of the lower surface of the C panel 65 are supported by support angles 64 and faces four inner peripheral surfaces of the wooden frame 63.
Fillers such as mortar etc. directly on the four sides of the small surface
It is indirectly contacted via 66.

According to the above structure, not only the wooden frame 63 but also the inner periphery of the wooden frame 63 is fitted to the shear force in the horizontal plane generated by an external force such as an earthquake force or a wind pressure applied to the building. Since the small face is brought into contact with the ALC panel 65 with the filler 66 interposed therebetween, it is effectively transmitted and burdened, so that the in-plane shear strength of the ALC panel 65 can be effectively functioned. Things.

Further, in a third known example shown in FIG.
1.Structural plywood 75 is placed on the upper part of the girder 73 and the joists 74 passed to the girder 73, and the structural plywood 75 whose joint is supported by the receiving material 72 passed on the floor beam 71 is nailed. Floor beams 71 by 76,
It is fixed to the girth 73 and the joist 74.

[0010]

However, in each of the above-mentioned known examples, in the first known example, the in-plane shearing force is mainly borne by the wooden surface material 54, and the ALC panel which is a concrete floor is used. There was a problem that the in-plane shear strength possessed by 53 could not be functioned effectively.

A central portion of the wooden panel 54 is placed on an ALC panel 53 supported by a receiving member 52, and one peripheral end 54a of the wooden panel 54 is connected to the body 56 and the wall panel 57. The other peripheral end 54b is sandwiched between the lower frame member 57a and the floor beam 51.
Since the wooden surface material 54, which is placed on the main structure and is the main structural material, is extremely complicated, it is easily affected by dimensional errors and mounting errors of each member, and construction management is troublesome.

Further, as described above, since the wooden surface members 54, which are the main structural members, are connected in a very complicated manner, deformation such as warpage of members caused by expansion and contraction caused by heat and moisture transfer generated in some members. Since there is no escape place, there is a problem that a relatively weak member is easily damaged or an unpleasant sound (floor sound) is easily generated due to friction between members.

In particular, when the wooden surface material 54 and the ALC panel 53 are entirely adhered to each other with an adhesive and the mortar 60 is filled in the gap around the ALC panel 53, the ALC panel 53 and the wooden material 54 ALC cannot absorb the deformation that occurs between
AL because there is no clearance between panel 53 and floor beam 51
The deformation generated between the C panel 53 and the floor beam 51 cannot be absorbed.

Further, the peripheral ends 54a and 54b of the wooden panel 54 are connected to the girder 56 and the floor beam 51 connecting the wall panels 57 and 58, and the girder 56 and the floor beam 51 are connected between the ALC panels 53. Since it is arranged for each, the shear force is applied to the ALC panel 53 by absorbing the external force impact generated on the wooden surface material 54 by the girder 56 and the floor beam 51.
53 can be guaranteed, and damage to the structure can be reduced.

That is, in this technique, in order to prevent the ALC panel 53 from being damaged, the girth 56 and the floor beam 51 are formed by ALC.
It is arranged in parallel with the ALC panel 53 every panel 53,
It is necessary to support the LC panel 53 between the receiving members 52 in the width direction, and it is necessary to transmit the shearing force generated on the floor surface due to an earthquake or the like only between the woody surface materials 54. It requires many wooden members other than the ALC panel 53, such as the fifth beam 51, which is not only costly and time-consuming, but also complicates the connection of each member.

Also, the body 56, the floor beam 51 and the ALC panel
Since 53 must be arranged alternately, it is often impossible to perform the construction successfully unless the body 56, floor beam 51 and ALC panel 53 are constructed alternately in consideration of product and construction errors.
The worker who constructs the 56 and the floor beam 51 and the worker who constructs the ALC panel 53 need to perform the construction alternately, which complicates the construction management.

In the case where the ALC panel 53 is to be constructed after the trunk 56 and the floor beam 51 are constructed first, the trunk 56 and the floor beam 51 and the ALC panel 53 must be constructed in a substantially completely parallel state. Must be girth 56, floor beam 51 and ALC panel 53
ALC panel even if constructed with a slight angle from parallel
There was a problem that 53 was damaged.

In the second known example, the ALC panel is manufactured with a dimensional error of about ± 2 mm in the width direction and about ± 5 mm in the length direction as described in JIS A5416 (lightweight cellular concrete panel). When a plurality of ALC panels 65 are fitted in the rectangular space on the inner periphery of the wooden frame 63, a gap of an unpredictable size is formed between the inner peripheral surface of the wooden frame 63 and the outer peripheral surface of the ALC panel 65. Occurs.

In order for the ALC panel 65 to effectively bear the in-plane shearing force, it is necessary to compensate for the dimensional error of the ALC panel 65 by using a filler 66 such as mortar. In order to fill the gap formed by the ALC panel 65 and the supporting angle 64, a member for stopping the mortar from flowing out must be separately provided to prevent the mortar from flowing downward. .

In addition, the work of filling the mortar is troublesome, and if the mortar cannot be densely filled due to the influence of air entrainment or the like, it is difficult to secure a stable in-plane shear strength, and the mortar filling condition is difficult. Can not be visually confirmed, and it is difficult to control the occurrence of a portion not filled with mortar.

In addition, when the mortar is filled, the worker
When the ALC panel 65 rides on the LC panel 65, the ALC panel 65 may be bent, and the filled mortar may be broken, so that sufficient in-plane shear strength may not be obtained.

When the ALC panel 65 is dropped on the inner peripheral surface of the wooden frame 63, the ALC panel 65 may be damaged.

In the third known example, the structural plywood 75 resists the in-plane shearing force generated on the floor surface due to the horizontal force due to an earthquake or the like. The cross-sectional area is small, and the in-plane shearing force transmitted to the structural plywood 75 is mainly transmitted through the floor beams 71 and the trunk 73 to which the peripheral portion of the structural plywood 75 is fixed. Since the plywood 75 is thin, there is a problem that when subjected to a strong in-plane shearing force, the plywood 75 is deformed out of plane (in a direction intersecting the plane including the structural plywood 75), and its resistance decreases. In addition, since the stress distribution generated in the structural plywood 75 is not uniform and is significantly biased around the floor beams 71 and the trunk 73, there is a possibility that the durability of the structural plywood 75 may be reduced.

When a strong shearing force is applied from the structural plywood 75 to the joist 74, the joist 74 has a small cross-sectional area, so that
There was a possibility that 74 would be torn to cause a sudden decrease in proof stress.
In addition, since the joist 74 has a smaller cross-sectional area than the floor beam 71 or the trunk 73, the joist 74 is easily deformed such as warpage or rotation in the in-plane direction and out-of-plane direction. There is a problem that sound insulation is poor due to insufficient rigidity of the rubber.

The present invention solves the above problems,
Its purpose is to achieve excellent in-plane shear strength and in-plane shear rigidity by simple construction, prevent floor noise and facilitate the connection of each member, and reduce dimensional errors and mounting errors of each member or heat and moisture transfer. An object of the present invention is to provide a slab structure which is hardly affected by deformation such as warpage of members caused by expansion and contraction, facilitates construction management, and can secure maintenance of a slab panel during construction.

[0026]

A slab structure according to the present invention for achieving the above object is provided so as to be fitted between horizontal members arranged in parallel in a building so that ends thereof are adjacent in the width direction. The longitudinal ends of a plurality of slab panels arranged on the slab panel are placed and supported on a support member, and a plurality of structural face materials are arranged adjacent to each other on the slab panel, and A part of the plurality of structural face materials is fixed to the material and the slab panel, and the slab panel has a larger out-of-plane bending rigidity than the structural face material.

[0027] According to the above-described structure, it is fitted between the horizontal members arranged in parallel to each other in the building and arranged so that the ends are adjacent to each other in the width direction, and both ends in the length direction are mounted on the support member. A plurality of structural face materials are arranged adjacent to each other on the plurality of slab panels supported by being placed, and a part of the plurality of structural face materials is fixed to the horizontal member and the slab panel. As a result, the horizontal force applied to the building due to an earthquake or the like is effectively transmitted from the horizontal member to the structural panel.

Further, the vertical load applied to the structural face material is transmitted to the slab panel which comes into surface contact with the structural face material, so that a high bending rigidity in the vertical direction of the slab face is obtained, and the displacement of the slab face occurs. hard. In addition, the resistance of the slab surface to vertical vibrations and shocks is increased, and vibrations and shocks are hardly transmitted to the lower floors, and the sound insulation is excellent. Further, since the structural face material comes into surface contact with the slab panel, deformation such as warpage or rotation of the joist to which the structural face material is attached as in the third known example is prevented, and the sound insulation is further improved. In addition, large construction errors can be tolerated.

Further, the vicinity of joints adjacent to each other of the plurality of structural face materials is fixed to the slab panel or the horizontal member, so that out-of-plane joint displacement between adjacent structural face materials can be prevented. Since a surface step can be eliminated and an in-plane joint displacement can be prevented, a slab structure excellent in in-plane shear strength and in-plane shear rigidity can be obtained.

That is, in the present invention, both ends in the length direction of a plurality of slab panels which are fitted between the horizontally arranged transverse members of the building and arranged adjacent to each other in the width direction are formed. Since it is placed on and supported by the supporting member, it is easy to construct even if the slab panel is constructed after arranging the transverse member in advance and attaching the supporting member to the transverse member, and the transverse member and the slab Compared to the case where the panels are arranged in parallel, a large angle error is allowed during construction between the slab panel and the support member and the horizontal member, so that damage is less likely to occur during construction of the slab panel.

In addition, an error in the squareness between the long side and the short side of the product of the slab panel is greatly allowed. In addition, since a plurality of slab panels are arranged adjacent to each other in the width direction, it is necessary to correct the product error that occurs in each slab panel one by one while constructing carefully, There is no need to provide clearance between members. For example, a clearance of about 10 to 20 mm may be provided at both ends or one side of a plurality of slab panels adjacent in the width direction according to expected product error.

In addition, the connection of each member is simple, the influence of dimensional errors and mounting errors of each member is small, the construction is easy to manage, the stable in-plane shear strength can be secured, and the maintenance of the slab panel during the construction is secured. You can do it.

Further, the out-of-plane bending stiffness of the slab panel (bending stiffness with respect to a force (force including a vertical component) received from a direction intersecting a plane direction including the slab panel surface) is greater than that of the structural face material. Since the structural face material comes into surface contact with a slab panel having a larger out-of-plane flexural rigidity than the structural face material, the out-of-plane flexural rigidity of the structural face material is reinforced by the slab panel. Buckling due to in-plane force (horizontal force) is less likely to occur on the structural surface material, and the maintenance of the structural surface material can be ensured.

Further, when a clearance is provided between the slab panel and the horizontal member into which the slab panel is fitted, a product dimensional error of the slab panel can be absorbed, and the slab panel can be horizontally mounted. The work of fitting between materials is easy. In addition, it is possible to secure a relief area for deformation such as warpage caused by expansion and contraction caused by movement of heat and moisture generated in each member, thereby preventing each member from being damaged and generating unpleasant noise (floor noise) due to friction between members. It is preferable because it is possible. Further, maintenance and reinforcement work after construction are easy.

Further, in order to prevent sound, heat and fire from leaking, the clearance may be filled with a filler of a suitable material having a lower elastic modulus than the slab panel and the horizontal member.

In the case where the structural face material is fixed to the horizontal member and / or the slab panel in a dotted or linear manner, each member is compared with a case where the whole is adhered and fixed with an adhesive. This is preferable because deformation such as warpage caused by expansion and contraction caused by the generated heat and moisture transfer can be tolerated to some extent.

In the case where a planar intermediate member is interposed between the structural surface material and the slab panel, an unexpected step (unevenness) between the upper surface of the slab panel and the upper surface of the horizontal member is provided. ) Can be absorbed. Also, the level of the slab surface can be easily adjusted by adjusting the thickness dimension of the intermediate member. Further, the sound insulation of the upper and lower floors can be improved by interposing the intermediate member.

[0038]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a slab structure applied to a floor or a roof of a wooden building as an example of a slab structure according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a perspective view showing a configuration of a first embodiment of a slab structure according to the present invention, FIG. 2 is a sectional explanatory view showing a configuration of a second embodiment of a slab structure according to the present invention, and FIG. FIG. 4 is a cross-sectional explanatory view showing the configuration of the third embodiment of the slab structure, and FIG. 4 is a cross-sectional explanatory view seen from the left-right direction in FIG. Note that the dimensions, materials, and the like of the respective members described below are examples of specific embodiments, and are not limited thereto.

First, a first embodiment of the slab structure according to the present invention will be described with reference to FIG. As shown in FIG. 1, a slab structure A that constitutes a floor or a roof in a building such as a wooden house having a pillar 1 and girders 2 a and 2 b serving as horizontal members as a frame structure has wooden girders 2 a arranged in parallel. The longitudinal ends of the ALC (lightweight cellular concrete) panels 3 which are fitted between the small beams 2c and are arranged so that the ends are adjacent to each other in the width direction are formed by the large beams 2a and the small beams 2c. Are placed and supported on a wooden receiving member 4 which is a support member which is disposed and fixed in the longitudinal direction on the side surface of.

The large beams 2a and the small beams 2c serving as the horizontal members arranged in parallel have a width of 120 mm and a height of 270 mm, for example.
A plurality of wooden beams 2a and small beams 2c each having a width of 2 m are arranged in parallel with a spacing of 2 m, and a wooden beam 2b having a width of 120 mm and a height of 270 mm is connected in a direction orthogonal to the beams 2a. ing. Girder 2a, 2b and girder 2c
Are formed flush with each other.

The beams 2a, 2b or the small beams 2c used as the horizontal members can be made of metal or concrete, as well as wooden ones. The arrangement, size, shape, etc. of the horizontal members can be used. Is appropriately designed according to the shape, application, required performance and the like of the building.

The receiving member 4 serving as a support member provided on the side surface of the girder 2a is a wooden member having a trapezoidal cross section having an upper width of 60 mm, a lower width of 30 mm, and a height of 90 mm. A nail with a shaft diameter of 2 to 6 mm (not shown) with a pitch of 1
It is fixed to the large beam 2a and the small beam 2c by striking at a distance of 00 to 200 mm.

An ALC panel 3 serving as a slab panel is fitted between large beams 2a arranged adjacent and parallel in the width direction, and a plurality of ALC panels 3 are arranged on the receiving member 4 such that the longitudinal ends of the ALC panels 3 are parallel to each other. It is laid side by side and placed and supported.

The longitudinal dimension of the ALC panel 3 is the girder 2
a and the small beam 2c are set to be shorter by a predetermined dimension than the distance between the large beam 2a and the small beam 2c.
A predetermined clearance is formed between the C panel 3 and the longitudinal end.

The ALC panel 3 has a width of, for example, 300 to 6
00mm, mainly 500mm in width, length 18
It has a thickness of 60 mm and a thickness of 100 mm. ALC
The thickness of the panel 3 is preferably 30 to 150 mm. Particularly preferably, it is 75 to 125 mm.

The upper surface of the receiving member 4 is attached by 100 mm below the upper surface of the girder 2a.
The upper surface of the LC panel 3 is set to be flush with the upper surface of the girder 2a.

In this embodiment, A is used as the slab panel.
The case where the LC panel 3 is employed will be described. Other configurations include cement-based materials, wood-based materials, plastics,
Metal or the like or a composite material thereof may be used. It is preferable to use the ALC panel 3 as the slab panel because it has excellent strength, sound insulation, heat insulation, workability, design flexibility, and the like, and is inexpensive.

The upper surface of the ALC panel 3 and the girders 2a, 2b
The ALC panel 3 and the girder 2 are provided on the upper surface of the girder 2c.
a, 2b and a small beam 2c, a plurality of structural plywoods 5 serving as structural face materials are placed side by side in parallel, and a part of the structural plywood 5 serves as a horizontal beam. , 2b and the small beam 2c, and the adjacent slab panels of the plurality of structural plywoods 5 have the same slab panel.
It is fixed to the panel 3 or the same large beams 2a, 2b and small beams 2c. In addition, as a structural surface material, besides structural plywood, a particle board, a wood-based surface material, a cement-based surface material, a reinforced gypsum board, or the like can be used.

That is, in the present embodiment, as shown in FIG. 1, the large beams 2a and the small beams 2c on which the structural plywood 5 having a thickness of 15 mm, a width of 1000 mm and a length of 2000 mm are arranged in parallel. , The small beams 2c and the three ALC panels 3 are placed side by side in parallel with and in planar contact with the upper surfaces of the large beams 2a, the small beams 2c and the ALC panel 3. Further, the structural plywood 5 adjacent to the girder 2b is placed in surface contact with the upper surface of the girder 2b. The thickness of the structural plywood 5 is preferably 6 to 40 mm, and more preferably 8 to 25 mm.

A portion mounted on the upper surfaces of the large beams 2a, 2b and the small beams 2c at any one of the four sides of the structural plywood 5 has, for example, a shaft diameter of 2 to 4 mm and a length of 50 mm. ~ 90
100 mm to 200 mm from the top side of the structural plywood 5
And is fixed to the girders 2a, 2b and the small beams 2c at a pitch of 4 mm on the upper surface of the ALC panel 3 at a side near an joint portion adjacent to another structural plywood 5 among the four sides of the structural plywood 5. The part to be mounted on the shaft has a shaft diameter of 3 to 8 mm and a length of 30 to
An ALC screw 7 having a diameter of 120 mm is fixed to the ALC panel 3 by striking the ALC panel 3 at a pitch of 100 to 900 mm from the upper surface side of the structural plywood 5.

Similarly, the intermediate portion of the structural plywood 5 in the long side direction has a shaft diameter of 3 to 8 mm and a length of 30 to 120 mm.
The LC exclusive screw 7 is fixed to the ALC panel 3 by hitting it at a pitch of 100 to 900 mm from the upper surface side of the structural plywood 5 in parallel with the girder 2b. A notch 5a corresponding to the shape of the column 1 is formed and accommodated in the structural plywood 5 adjacent to the column 1.

The nail 6 and the ALC screw 7 are:
By increasing the shaft diameter or length, the driving pitch can be further increased, and the nail 6 and the ALC screw 7 can be used.
Can be reduced to reduce the cost of parts and man-hours.

As shown in FIG. 1, the vicinity of the long side joint of the structural plywood 5 is fixed to the same ALC panel 3, and the vicinity of the short side joint of the structural plywood 5 is the same large beams 2a, 2b and small beams. Since the structural plywood 5 is fixed to 2c, the joint deviation generated between the structural plywoods 5 adjacent to each other is extremely small, whereby the structural plywood 5 is integrated, and exhibits excellent shear strength and shear rigidity.

In the case where adjacent long side joints of the structural plywood 5 are fixed to separate ALC panels 3, the effect of preventing joint displacement is reduced, but there is little practical problem.

The ALC screws 7 for fixing the four sides of the structural plywood 5 are provided as close to the ends of the structural plywood 5 as possible.
The smaller the spacing between the rows of ALC-specific screws 7 for fixing the adjacent structural plywoods 5, the higher the effect of preventing the structural plywoods 5 from misaligning each other.

However, the screw 7 for ALC is used to bring the slab surface composed of the structural plywood 5 and the ALC panel 3 closer than necessary to exhibit the required shear strength or to close the ALC panel 3.
Must not be too close to the end of the

Therefore, the interval between the rows of the ALC exclusive screw 7 is 2
The distance is preferably 0 to 300 mm, more preferably 30 to 1 mm.
The thickness may be set to 00 mm, at least 30 mm inside the end of the ALC panel 3, more preferably at least 50 mm inside.

The width central portion of the structural plywood 5 has a pitch of 100 to
Since it is fixed to the ALC panel 3 by the ALC screw 7 at 500 mm, when the structural plywood 5 receives an in-plane shearing force (shearing force acting in a plane direction including the structural plywood 5), the structural plywood 5 The structural plywood 5 is reinforced by the ALC panel 3 having an out-of-plane bending rigidity greater than that of the plywood 5 and does not buckle out of plane (in a direction intersecting with the plane including the structural plywood 5). It can exhibit shear rigidity. In addition, deformation such as warpage of the structural plywood 5 due to expansion and contraction due to a temperature difference, moisture movement, and the like can be suppressed.

One structural plywood 5 is stretched between the horizontal beams 2a and the small beams 2c which are arranged in parallel, and both ends of the structural plywood 5 in the longitudinal direction are connected to the large beams 2a. And small beam 2
Since the structural plywood 5 is fixed by nails to the slab, the slab structure of the present embodiment has excellent shear strength and shear stiffness because the structural plywood 5 can directly bear the shearing force acting between the large beam 2a and the small beam 2c. Having.

The out-of-plane bending stiffness of the ALC panel 3 serving as a slab panel is configured to be larger than that of the structural plywood 5, and A has a larger out-of-plane bending stiffness than the structural plywood 5.
When the structural plywood 5 comes into surface contact with the LC panel 3, the out-of-plane bending rigidity of the structural plywood 5 is reinforced by the ALC panel 3, and the structural plywood 5 is less likely to buckle due to in-plane force. The maintenance of the structural plywood 5 can be ensured.

That is, the out-of-plane bending stiffness EI per unit width is obtained by multiplying the out-of-plane bending elastic modulus E by the secondary moment of area I per unit width, according to the following equation.

[0062]

(Equation 1)

The out-of-plane bending rigidity EI per unit width of the ALC panel 3 which is a slab panel is preferably in a range of 5 times to 10,000 times the out-of-plane bending rigidity EI per unit width of the structural plywood 5. Among them, it is more preferable to use it in the range of 30 to 3000 times from the viewpoint of performance and economy.

Specifically, the out-of-plane bending rigidity EI per unit width of the ALC panel 3 is 8,000 to 5,000,000 [N ·
m ² ], out-of-plane bending stiffness E per unit width of the structural plywood 5
It is preferable to use I in an appropriate combination from those of 100 to 40000 [N · m ² ].

On the other hand, the in-plane shear stiffness GA is obtained by multiplying the in-plane shear modulus G by the cross-sectional area A according to the following equation.

[0066]

(Equation 2)

If the in-plane shear stiffness GA of the ALC panel 3 as a slab panel is at least as low as the in-plane shear stiffness GA of the structural plywood 5, the joint near the joint of the adjacent structural plywood 5 is required. The effect of preventing joint displacement is reduced.

Generally, the in-plane shear stiffness GA per unit width of the ALC panel 3 is 1 × 10 ⁷ to 1 × 10
⁹ [N], the in-plane shear stiffness GA per unit width of the structural plywood 5 is preferably 5 × 10 ^{6 to} 5 × 10 ⁸ [N] and used in appropriate combination.

In the present embodiment, the girders 2 arranged in parallel
a and the small beams 2c, the longitudinal ends of the plurality of ALC panels 3 arranged adjacent to each other in the width direction are placed on and supported by the receiving member 4, so that the large beams 2a are When the ALC panel 3 is installed after attaching the receiving member 4 to the girder 2a and the girder 2c, the installation is easy, and the girder 2a and the girder 2c are arranged in parallel. ALC panel 3, receiving material 4 and girder 2 compared to the case
a, a large angle error is allowed during construction with the small beam 2c, so that damage is less likely to occur when the ALC panel 3 is constructed.

Further, an error in the perpendicularity between the long side and the short side of the product of the ALC panel 3 is greatly allowed. AL
Since a plurality of C panels 3 are arranged adjacent to each other in the width direction,
There is no need to carefully calibrate the product error that occurs in each ALC panel 3 one by one while correcting it one by one, and it is not necessary to provide a clearance between members for each one. A clearance of about 5 to 20 mm may be provided at both ends or one side of the adjacent ALC panel 3 in accordance with an expected product error.

In FIG. 1, the ALC panel 3a in which the vicinity of joints adjacent to each other of the structural plywood 5 is fixed, prevents mutual displacement of the structural plywood 5 and also suppresses out-of-plane buckling of the structural plywood 5. Mainly has the effect of suppressing and increasing the in-plane shear strength and the in-plane shear rigidity of the structural plywood 5.
The ALC panel 3b having a fixed width center portion mainly has an action of suppressing the out-of-plane buckling of the structural plywood 5.

Further, since the structural plywood 5 is fixed to the ALC panel 3 and the girders 2a, 2b and the small beams 2c in a dot-like manner by the nail 6 and the ALC exclusive screw 7, the structural plywood 5 and the ALC are bonded with an adhesive. Panel 3, girder 2a, 2b and girder 2c
This is preferable because deformation such as warpage caused by expansion and contraction caused by the movement of heat and moisture generated in each member can be absorbed as compared with the case where the entire surface is bonded and fixed.

The slab panel has a necessary vertical supporting force and a necessary fixing strength of the structural plywood 5, and is appropriately selected from a cement hardened body, a wooden material, a metal material and the like. ALC panel 3 of 75-125mm
It is economical to use.

A clearance of about 5 to 20 mm is provided between the ALC panel 3 and the girders 2a and 2b to absorb construction errors and product dimensional errors, and the ALC panel 3 is attached to the girders 2a.
And the work of fitting between the small beams 2c is facilitated.

When the ALC panels 3 are sequentially arranged and fitted into the pair of girders 2a and 2b, the last one AL
The work of fitting the C panel 3 becomes difficult, and when the ALC panel 3 is dropped, the ALC panel 3 is easily damaged. However, a linear member such as a piano wire having an outer diameter of about 1 to 5 mm or a thickness of 1 to 3 mm is used. When the ALC panel 3 is hung near both ends in the length direction of the ALC panel 3 and lowered and lowered to a predetermined position in a state where the ALC panel 3 is hung flat, the work of fitting the last one ALC panel 3 becomes easy. I can do it.

The ALC panel 3 and the girders 2a, 2b
Clearances provided between the ALC panel 3 and the girders 2a and 2b are suitably provided in accordance with the requirements of fire resistance, sound insulation, heat insulation, etc., especially in the clearance provided between the girder 2c and the girder 2c. It is preferable to fill a filler such as polyethylene or urethane foam.

Further, it is possible to secure an escape area for deformation such as warping caused by expansion and contraction caused by heat and moisture movement generated in each member, thereby causing damage to each member and unpleasant sound (floor noise) due to friction between the members. Can be prevented, which is preferable.

Further, products are provided between the ALC panels 3.
Even if a clearance is appropriately provided for adjusting the construction error, the effect on the shear rigidity can be practically neglected and the degree of freedom in design and construction is increased, which is preferable.

The structural plywood 5 can be used according to the required performance.
For example, a structural plywood having a thickness of 6 to 40 mm is used, but a particle board having a thickness of 6 to 40 mm other than the structural plywood,
It may be appropriately selected from a cement board having a thickness of 6 to 40 mm, a metal plate or a folded metal plate having a thickness of 1 to 10 mm.

The cross section of the structural plywood 5 may be of various types. For example, in addition to the rectangular shape, the lap joint (finger joint) shape and the shape of the present embodiment, the out-of-plane strength is appropriately reinforced. And a shape provided with chamfers for preventing ribs and corner loss.

The structural plywood 5 and the ALC panel 3 may be fixed by an adhesive other than the ALC screw 7. In this case, the structural plywood 5 is fixed linearly to the ALC panel 3 by applying and fixing the adhesive to the comb pulley with an adhesive width of about 1 to 10 mm and an interval of about 1 to 10 mm. It is preferable because deformation such as warping caused by expansion and contraction caused by heat and moisture movement caused in each member can be tolerated to some extent as compared with the case where the structural plywood 5 and the ALC panel 3 and the girders 2a and 2b are entirely adhered and fixed by the agent. . It is to be noted that the combs are more effective if they are aligned with the width direction of the ALC panel 3.

Further, a vinyl acetate-based adhesive was applied with an adhesive width of 3 m.
When the structural plywood 5 and the ALC panel 3 are fixed to each other by comb-coating in an amount of about 0.5 to 1 kg / m ² at a distance of about 3 mm and a spacing of about 3 mm, the ALC panel 3 and the girders 2a, 2b and The unevenness (step) generated slightly between the small beam 2c and the structural plywood 5 can be absorbed.

The nail 6 and the ALC screw 7 have an inverted triangular head, and the large beams 2a and 2b, the small beam 2c and the ALC panel are so arranged that the upper surface of the head is substantially flush with the surface of the structural plywood 5. It is driven into 3.

According to the above configuration, since a part of the plurality of structural plywoods 5 is fixed to the girders 2a, 2b and the girder 2c serving as the horizontal members, the horizontal force applied to the building due to an earthquake or the like is reduced by the girders 2a. , 2b and the beams 2c are effectively transmitted to the structural plywood 5.

Further, the vertical load applied to the structural plywood 5 is transmitted to the ALC panel 3 which comes into contact with the structural plywood 5 in a planar manner, whereby a high bending rigidity in the vertical direction of the slab surface is obtained, and the displacement of the slab surface is reduced. Hard to occur. In addition, the resistance of the slab surface to vertical vibrations and shocks is increased, and the vibrations and shocks are hardly transmitted to the lower floor.

Further, since the structural plywood 5 and the ALC panel 3 are in surface contact with each other, it is possible to prevent floor noise from occurring as in the first known example shown in FIG. 5 and described above. Errors can be tolerated.

Further, the vicinity of the joints adjacent to each other of the plurality of structural plywoods 5 is fixed to the same ALC panel 3 or the same girder 2a, so that the joint displacement between the adjacent structural plywoods 5 is effectively prevented. A slab structure having excellent in-plane shear strength and in-plane shear rigidity can be obtained.

Further, as compared with the first known example shown in FIG. 5 and described above, the arrangement of the girders 2a, 2b, the girder 2c, the ALC panel 3 and the structural plywood 5 is simple, and the dimensional errors and mounting errors of each member are made. The construction management is easy and the stable in-plane shear strength can be secured by the dry construction method, and the chipping of the ALC panel 3 at the time of construction can be prevented. Also,
In the present embodiment, since the dry construction method is used, curing after construction is unnecessary, and the construction period can be shortened.

Further, even a thin structural plywood 5 which is easily deformed out of plane and has a small resistance to a large local stress is reinforced by the ALC panel 3 so that the in-plane shear strength of the structural plywood 5 can be improved. The in-plane shear rigidity can be positively utilized.

The structural plywood 5 is fixed to the girders 2 a and 2 b, the girder 2 c and the ALC panel 3 by the nail 6 and the ALC panel 3.
The beams and impacts generated on the upper surface of the slab structure A are suppressed by the large beams 2a and 2b, the small beams 2c, the structural plywood 5 and the ALC panel 3 so that the impact on the lower floor is suppressed. And transmission of vibration can be suppressed.

When the thickness of the structural plywood 5, the ALC panel 3, and the transverse member 2 is increased in this order, and the bending stiffness is increased in order from the vibration source to the diverging point, the transmission of shock and vibration is further increased. Suppressed and preferred.

Further, since the work scaffold can be formed by placing the ALC panel 3 on the receiving material 4, the scaffold can be secured immediately when the ALC panel 3 is dropped between the large beam 2a and the small beam 2c. Safety is ensured and workability is good because there is no need to prepare a separate scaffold.

Next, a second embodiment of the slab structure according to the present invention will be described with reference to FIG. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 2, in the slab structure B of the present embodiment, a plurality of large beams 2a and small beams 2 are arranged in parallel.
A long receiving member 11 made of angle iron serving as a support member is disposed on the side surface of the member c so that the standing piece 11a is located above the horizontal piece 11b, and is fixed by a screw 12 having a shaft diameter of 5 mm and a length of 50 mm. The upper surfaces of the girders 2a and 2b and the girder 2c and the receiving material 11
Is set so that the upper surface of the ALC panel 3 placed and supported by the device is substantially flush with the upper surface.

The upper surfaces of the girders 2a, 2b and the girder 2c and A
A planar intermediate member 13 is laid on the upper surface of the LC panel 3, and the structural plywood 5 is placed on the intermediate member 13, and the structural plywood 5 is interposed between the girders 2 a and 2 b via the intermediate member 13. And the part placed on the beam 2c has a shaft diameter of 3.3 mm and a length of 6
A 3.5 mm nail 6 is placed 100 to 2 from the top side of the structural plywood 5.
The beams are fixed to the girders 2a, 2b and the girders 2c at a pitch of 00 mm.
The part placed on the C panel 3 has a shaft diameter of 6 mm and a length of 70 to
An ALC screw 7 having a size of 90 mm is fixed to the ALC panel 3 at a pitch of 100 to 500 mm from the upper surface of the structural plywood 5 in parallel with the girders 2b.

The nail 6 and the ALC-dedicated screw 7 can be driven at a larger pitch by increasing the shaft diameter or length thereof as described above.

In this embodiment, the receiving member 11 has an L-shaped cross section, and each of the orthogonal pieces has a width of 65 mm and a thickness of 6 mm, and has a diameter of 6 mm for driving a screw 12 having a shaft diameter of 5 mm or a wood screw. Are formed.

The screw 12 is 15 mm downward from the upper end of the receiving material 11.
At a pitch of 50 to 300 mm from the receiving material 11 side against the large beam 2a and the small beam 2c, and at a position 45 mm below the upper end of the receiving material 11,
The beam is hit against the large beam 2a and the small beam 2c from the receiving material 11 side at about three times the pitch. Note that, instead of the screw 12, a nail, an anchor, a bolt, or the like may be used for fixing.

The receiving member 11 has a surface parallel to the girder 2a and the girder 2c facing upward, and the lower part of the ALC panel 3 projects only the thickness of the angle iron.
A large space can be ensured below, and a high degree of freedom is preferable when piping or the like is provided in this portion.

When the screw 12 comes off due to a long-term load applied to the screw 12, the head of the screw 12 is set to A when the screw 12 comes out to some extent by appropriately designing the length of the screw 12.
Since it hits the side of the LC panel 3, the screw 12 can be prevented from coming off completely.

When a metal member is used for the receiving member 11, the thickness is about 1 to 10 mm. In particular, when the thickness is 1 to 4 mm, ribs are appropriately provided by drawing to prevent local deformation or the like due to a load. It is preferable to provide a reinforcing material by welding or welding.

The width of the horizontal piece 11b on which the ALC panel 3 of the receiving material 11 is to be placed is the same as that of the large beam 2a and the small beam 2c.
Considering the clearance dimension between the side of
Even when the LC panel 3 is moved and one of the clearances is lost and the large beams 2a and the small beams 2c abut against the side surfaces of the ALC panel 3, the ALC panel is placed on the opposite receiving member 11 so that the ALC panel 3 does not fall off. 3 is preferably set to be about 20 mm or more. Generally, the clearance between the girders 2a and small beams 2c and the side surfaces of the ALC panel 3 is 10 to 20 mm, and the width of the horizontal piece 11b of the receiving member 11 is 4 mm.
0 to 100 mm.

The height of the upright piece 11a of the receiving material 11 is generally about 40 to 150 mm. Standing piece of receiving material 11
The height position of the screw 12 for fixing the receiving material 11 to the large beam 2a and the small beam 2c by increasing the height of 11a and the ALC panel 3
The fixing strength of the receiving member 11 can be increased by increasing the distance from the height position of the receiving horizontal piece 11b.

However, contrary to the embodiment shown in FIG. 2, the receiving member 11 is arranged so that the upright piece 11a is lower than the horizontal piece 11b, and is fixed to the large beam 2a and the small beam 2c by the screw 12. In the case, the horizontal position of the receiving material 11
The fixing strength of the receiving material 11 can be increased by approaching the height position of 11b.

The intermediate member 13 interposed between the structural plywood 5 and the ALC panel 3 has a function of adjusting a slight unevenness (unevenness) generated on the surface of the ALC panel 3 and a sound insulation against an impact sound, an air propagation sound and the like. It is configured using a member having at least one function from among the performance and the function of adjusting the in-plane shear rigidity.

In the present embodiment, as the intermediate member 13, asphalt having a thickness of 6 mm is formed into a sheet for the purpose of adjusting unevenness and improving sound insulation. It is also effective to use a weight-increasing material made of powder having a specific gravity, such as lead or iron, which is sufficiently larger than that of asphalt for the asphalt sheet, particularly for the purpose of increasing the weight for improving the sound insulation.

As another structure of the intermediate member 13, ceramic materials such as asphalt, a rubber sheet, a nonwoven fabric, a cementitious material, calcium silicate, and porcelain, a metal plate, a metal net, and metal powder are appropriately combined. It is also preferable to use one having a thickness of about 2 to 50 mm.

When a material having low elasticity is used for the intermediate member 13, the ALC dedicated screw 7 is liable to bend and deform in the intermediate member 13. In such a case, the thickness of the intermediate member 13 is appropriately set small.

According to the above configuration, a planar intermediate member is provided between the structural plywood 5 and the ALC panel 3 serving as a slab panel.
Absorbing an unexpected step (non-landing) between the upper surface of the ALC panel 3 and the upper beams between the girders 2a, 2b, the small beams 2c and the adjacent ALC panels 3 serving as the horizontal members by interposing the 13 Can be done.

Further, the level of the slab surface can be easily adjusted by adjusting the thickness dimension of the intermediate member 13. Further, the sound insulation of the upper and lower floors can be improved by interposing the intermediate member 13. Other configurations are the same as those of the first embodiment, and similar effects can be obtained.

Next, a third embodiment of the slab structure according to the present invention will be described with reference to FIGS. The same components as those in the first and second embodiments are denoted by the same reference numerals, and description thereof is omitted.

In the slab structure C of the present embodiment, the mounting height position of the receiving member 11 is set so that the upper surface of the ALC panel 3 is disposed about 30 mm lower than the upper surfaces of the girders 2a and 2b. Note that the height of the upper surface of the ALC panel 3 is preferably 3 to 50 mm lower than the upper surfaces of the girders 2a and 2b.

On the upper surface of the ALC panel 3, mortar is cast as an intermediate member 13 until it is flush with the girders 2a, 2b. The mortar adjusts the slight unevenness generated on the surface of the ALC panel 3 and improves the sound insulation and the in-plane shear rigidity. Further, the out-of-plane bending stiffness is also improved, and the slab surface is not bent or vibrated when walking, which is preferable.

Since the mortar aggregate has an average diameter of about 0.5 to 1 mm, it is preferable that the minimum coating thickness is 3 mm or more because the finished surface becomes smooth and the workability is excellent.

The long side joint between the ALC panels 3 is shown in FIG.
A groove 3c is formed as shown in FIG. 3, and the groove 3c is filled with the same mortar as used in the intermediate member 13. Groove 3
For example, c is formed to have a depth of 40 mm and a width of 30 mm on the surface of the ALC panel 3 toward the lower side, for example,
The widest part is about 40 mm.

The mortar filled in the groove 3c is adjacent to A
The LC panels 3 are connected to each other out of the plane and in the plane, and a gap that is a weak point in sound insulation and fire resistance is prevented from being generated. Simultaneously constructing the mortar as the intermediate member 13 provided on the surface of the ALC panel 3 and the mortar filled in the groove 3c at the joint part of the ALC panel 3 causes the two to solidify integrally, thereby achieving sound insulation and surface protection. It is preferable because the internal shear rigidity can be improved and the construction period can be shortened.

A cotter 14 is arranged at a joint on the long side between the ALC panels 3 at a position about 300 mm inside the end of the long side of the ALC panel 3. This prevents the long side joints between the adjacent ALC panels 3 from shifting, and enhances the effect of suppressing the joint shift between the structural plywoods 5.

Further, in this case, even if the adjacent structural plywoods 5 are fixed to different ALC panels 3, substantially the same effect as when the plywood 5 is fixed to the same ALC panel 3 can be obtained.

As a result, high in-plane shear strength and in-plane shear rigidity can be secured, and joint displacement between the ALC panels 3 is prevented, and joint displacement between the structural plywoods 5 is prevented. The effect is enhanced.

The cotter 14 is adjacent to the ALC panel 3
A mortar, an adhesive, or the like is filled in a cylindrical hole having a diameter of 20 to 100 mm and a depth of 20 to 80 mm formed across the two ALC panels 3 at the long side joint, or the columnar hole is formed. It is constituted by driving a molded product of a hollow or solid cylindrical member having an outer diameter slightly larger than the hole.

At the joint of the ALC panel 3 with the girders 2a, 2b and the girder 2c, one side surface of the ALC panel 3 is brought into direct contact with the girder 2a, 2b and the girder 2c.
A method of providing a clearance between the other side surface of the panel 3 and the girders 2a, 2b and the girder 2c may be used to adjust dimensional errors and construction errors of the ALC panel 3, the girders 2a, 2b and the girder 2c. Can be done.

The structural plywood 5 may be fixed to the ALC panel 3 using the ALC exclusive screw 7 as in the above-described embodiments. However, when the mortar is hardened, the ALC exclusive screw 7 can be fixed without a pilot hole. It becomes difficult to drive.

Accordingly, in this embodiment, as shown in FIG. 4, a pilot hole penetrating at least the mortar layer is made in advance, and the ALC panel whose tip is expanded when driving into the layer of the ALC panel 3 using the pilot hole. A special nail 16 is used. Also,
In the case where a screw is driven into the mortar without a pilot hole, a lightweight mortar using a lightweight aggregate may be used.

Further, the side surface of the ALC panel 3 and the girders 2a,
Ceramic fiber, glass fiber, rock wool, foamed polyethylene, foamed foam so that the mortar serving as the intermediate member 13 does not flow downward and secure the clearance above the clearance provided between the beam 2b and the small beam 2c. An elastic filler 17 such as urethane is fitted. Other configurations are configured in the same manner as the above embodiments, and similar effects can be obtained.

[0125]

According to the present invention, which has the above-described configuration and operation, it is fitted between horizontal members arranged in parallel in a building and arranged so that the ends are adjacent in the width direction. A plurality of structural face materials are arranged adjacent to each other on a plurality of slab panels whose both ends in the longitudinal direction are mounted on and supported by a support member, and the plurality of structural face materials are arranged on the horizontal member and the slab panel. The horizontal force applied to the building due to an earthquake or the like is effectively transmitted from the horizontal members to the structural members because a part of the structural members is fixed.

Further, the vertical load applied to the structural face material is transmitted to the slab panel which comes into surface contact with the structural face material, whereby a high bending rigidity in the vertical direction of the slab face is obtained, and the displacement of the slab face occurs. hard. In addition, the resistance of the slab surface to vertical vibrations and shocks is increased, and vibrations and shocks are hardly transmitted to the lower floors, and the sound insulation is excellent. Further, since the structural face material comes into surface contact with the slab panel, deformation such as warpage or rotation of the joist to which the structural face material is attached as in the third known example is prevented, and the sound insulation is further improved. In addition, large construction errors can be tolerated.

That is, according to the present invention, both ends in the length direction of a plurality of slab panels which are fitted between the horizontally arranged transverse members of the building and arranged adjacent to each other in the width direction are formed. Since it is placed on and supported by the supporting member, it is easy to construct even if the slab panel is constructed after arranging the transverse member in advance and attaching the supporting member to the transverse member, and the transverse member and the slab Compared to the case where the panels are arranged in parallel, a large angle error is allowed during construction between the slab panel and the support member and the horizontal member, so that damage is less likely to occur during construction of the slab panel.

[0128] An error in the perpendicularity between the long side and the short side of the product of the slab panel is also greatly allowed. In addition, since a plurality of slab panels are arranged adjacent to each other in the width direction, it is necessary to correct the product error that occurs in each slab panel one by one while constructing carefully, There is no need to provide clearance between members. For example, an appropriate clearance may be provided according to the expected product error at both ends or one side of a plurality of slab panels adjacent in the width direction.

Further, in the case where adjacent structural joints of a plurality of structural face materials are fixed to the same slab panel or the same horizontal material, joint misalignment between adjacent structural face materials is effective. And a slab structure excellent in in-plane shear strength and in-plane shear rigidity can be obtained.

Further, the connection of each member is simple, the influence of dimensional errors and mounting errors of each member is small, the construction is easy to manage, the stable in-plane shear strength can be secured, and the maintenance of the slab panel during the construction is secured. You can do it.

When the out-of-plane bending rigidity of the slab panel is larger than that of the structural face material, the structural face material is fixed to the slab panel having the out-of-plane bending rigidity greater than that of the structural face material. By doing so, the out-of-plane bending rigidity of the structural face material is reinforced by the slab panel, buckling due to in-plane force is unlikely to occur in the structural face material, and high in-plane shear strength and in-plane shear rigidity can be ensured. I can do it.

Further, in the case where a clearance is provided between the slab panel and the horizontal member into which the slab panel is fitted, it is possible to absorb a product dimensional error of the slab panel, and to mount the slab panel horizontally. The work of fitting between materials is easy. In addition, it is possible to secure a relief area for deformation such as warpage caused by expansion and contraction caused by movement of heat and moisture generated in each member, thereby preventing each member from being damaged and generating unpleasant noise (floor noise) due to friction between members. It is preferable because it is possible. Further, maintenance and reinforcement work after construction are easy.

When the clearance is filled with a filler having a lower elastic modulus than the slab panel and the horizontal member, sound and noise can be obtained by appropriately selecting the material of the filler.
Heat and fire can be prevented from leaking.

Further, the structural face material may be the horizontal member and / or
Or, when fixed to the slab panel in the form of dots or lines, deformation such as warping caused by expansion and contraction due to heat and moisture movement generated in each member as compared with a case where the entire surface is fixed by an adhesive. Is preferable because it can be tolerated to some extent.

In the case where a planar intermediate member is interposed between the structural surface material and the slab panel, an unexpected step (unevenness) between the upper surface of the slab panel and the upper surface of the horizontal member is provided. ) Can be absorbed. Also, the level of the slab surface can be easily adjusted by adjusting the thickness dimension of the intermediate member. Further, the sound insulation of the upper and lower floors can be improved by interposing the intermediate member.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a first embodiment of a slab structure according to the present invention.

FIG. 2 is an explanatory sectional view showing a configuration of a slab structure according to a second embodiment of the present invention.

FIG. 3 is an explanatory sectional view showing a configuration of a third embodiment of a slab structure according to the present invention.

FIG. 4 is an explanatory cross-sectional view as viewed from the left-right direction in FIG. 3;

FIG. 5 is a diagram illustrating a first known example.

FIG. 6 is a diagram illustrating a second known example.

FIG. 7 is a diagram illustrating a third known example.

[Explanation of symbols]

 A to C: Slab structure 1: Column 2a, 2b: Large beam 2c: Small beam 3, 3a, 3b: ALC panel 3c: Groove 4: Receiving material 5: Structural plywood 5a: Notch 6: Nail 7: Screw for ALC 11 ... receiving material 11a ... standing piece 11b ... horizontal piece 12 ... screw 13 ... intermediate member 14 ... cotter

Claims (6)

[Claims] 1. A lengthwise end portion of a plurality of slab panels which are fitted between parallel transverse members of a building and arranged so that their ends are adjacent in the width direction. The slab panel has a plurality of structural face materials disposed adjacent to each other, and a part of the plurality of structural face materials is fixed to the horizontal member and the slab panel. Wherein the slab panel has greater out-of-plane bending stiffness than the structural face material. 2. The slab structure according to claim 1, wherein the plurality of structural face members are fixed to the same slab panel or the same horizontal member near joints adjacent to each other. 3. The slab structure according to claim 1, wherein a clearance is provided between the slab panel and the horizontal member into which the slab panel is fitted. 4. The slab structure according to claim 3, wherein the clearance is filled with a filler having a lower elastic modulus than the slab panel and the horizontal member. 5. The slab structure according to claim 1, wherein the structural face material is fixed to the horizontal member and / or the slab panel in a dot-like or linear manner. 6. The slab structure according to claim 1, wherein a planar intermediate member is interposed between said structural panel and said slab panel.