JP2014156692A - Building structure skeleton element including light propagation function, and building structure comprising the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a skeleton element in itself multifunctional and value-added by pre-providing a light propagation part such as an optical duct in the skeleton element serving as a basic structural part of a building structure.SOLUTION: An optical duct 4 is put into an internal space area of a column (skeleton element) 1, which is made of a tubular rectangular steel tube, from its upper end opening, and fixed to the column by a screw and an adhesive. A column hole part 1c for light propagation and bifurcation is formed in the column 1. An optical duct hole part 4a is formed in an optical duct part facing the column hole part 1c, and an optical-duct lateral connection part 4b is arranged in the hole part. Attachment of the optical duct in the internal space area of a beam is also disclosed.

Description

  The present invention relates to a building framework element having a light propagation function, and more particularly to an inner space region set by its own surface portion of a framework element used as a basic structural part of a building, such as a light duct. The present invention relates to a building framework element provided with a light propagation part.

  Here, the framework element used as a basic structural part of the building (hereinafter simply referred to as “frame element” as necessary) is made of, for example, iron, stainless steel, aluminum, reinforced concrete, steel reinforced concrete, wooden, etc. Columns (columns), beams, and the like having various shapes (cross-sectional shapes are square, polygon, circle, ellipse, H shape, etc.).

  A building is a building (such as a hut, a house, a condominium, a building, a factory, a warehouse), a bridge, a tower, a castle, a station facility, an airport facility, or a road facility constructed using frame elements such as columns and beams. , Various facilities such as railway facilities and ships.

  In the present specification, the longitudinal direction of the framework elements such as columns and beams is referred to as “vertical”, and the direction perpendicular thereto is referred to as “horizontal”.

  In addition, attaching an optical duct to a column after welding is called “retrofitting”, and attaching an optical duct to a column before welding is called “first attaching”.

  2. Description of the Related Art Conventionally, it has been widely practiced to arrange an optical duct in a building such as a house, a condominium, or a building and actively send natural light collected from a roof or a wall to the inside of the building (for example, Patent Document 1).

  Apart from the main structure of the building itself, such a light duct is installed in the form of an additional dedicated structure of the building.

JP 2012-94394 A

  The present invention has an internal space area in which columns and beams of frame elements as main structural parts of a building are specified by respective surface parts, and this internal space area remains even after the building is completed. The focus is on the fact that

  That is, an object of the present invention is to provide a light propagation portion such as an optical duct in advance in a framework element as a basic structural part of a building, thereby increasing the functionality and added value of the framework element itself.

  It is another object of the present invention to simplify the work of setting a light propagation path inside a building.

  It is another object of the present invention to further improve the convenience of forming a light propagation part inside a building by forming a hole for branching the light propagation part in the framework element.

The present invention solves the above problems as follows.
(1) As a framework element of a building,
An inner space area used as a basic structural part of a building and set by its own surface part (for example, a rectangular cylindrical interior of a column 1 described later, a pair of concave shapes in an H-shaped part of a cross section of a beam member 2) Skeleton elements (for example, column 1 and beam member 2 described later),
A light propagation portion set in the inner space (for example, a retrofit screw-type optical duct 4 described later, a prefixed screw type optical duct 4 ', a retrofit type adhesive type optical duct 7, and a prefix type optical duct. 7 '), and has a light propagation function consisting of
The thing of a structure aspect is used.
(2) In (1) above,
The light propagation part is
It is an optical duct disposed in the internal space area,
The thing of a structure aspect is used.
(3) In the above (1) and (2),
The skeleton element is
The surface portion is provided with a hole for branching the light propagation part (for example, a column hole 1c described later),
The thing of a structure aspect is used.
(4) Of a building comprising a building framework element having a light propagation function as described in (1), (2), (3) above,
The thing of a structure aspect is used.
(5) In (4) above,
The framework element is made of iron or steel;
The surroundings are covered with a refractory material (for example, a fireproof coating material 5 described later, a fireproof board 8),
The thing of a structure aspect is used.

  The object of the present invention is a building framework element having the above-described configuration and a light propagation function, and a building comprising this building framework element.

The present invention is based on the above problem solving means.
(11) To increase the functionality and added value of the framework elements themselves, such as the columns and beams described above,
(12) Simplify the work of setting the light propagation path inside the building.
(13) For further convenience in installing the light propagation part inside the building,
You can do that.

It is explanatory drawing which shows the outline | summary of the operation | work procedure until another optical duct side connection part 4b is set to the optical duct hole part 4a using the column 1 which attached the post-attaching screw type optical duct 4, (a ) Shows the stage where the outer diaphragm 3 is welded to the column 1, (b) shows the stage where the optical duct 4 is then inserted from the upper end opening of the column and is screwed to the column 1, and (c) The stage which has arrange | positioned the optical duct side connection part 4b in the optical duct hole part 4a formed in the field is shown. It is a cross-sectional view which shows the accommodation state in the installation spot of the column 1 provided with the optical duct 4 of the attachment screwing type. It is a longitudinal cross-sectional view which shows the accommodation state of FIG. It is a cross-sectional view which shows the accommodation state in the installation site of the column 1 provided with the optical duct 7 of the retrofitting adhesion type. It is a longitudinal cross-sectional view which shows the accommodation state of FIG. FIG. 5 is a cross-sectional view showing a state in which the column 1 provided with a front screw-fixing type optical duct 4 ′ is housed at the installation site. FIG. 6 is a cross-sectional view showing a state in which the column 1 provided with the pre-adhesion type optical duct 7 ′ is stored at the installation site. It is explanatory drawing which shows the outline | summary, such as a column and the framework element of a beam in the construction initial stage of a low-rise building (building).

  The form for implementing this invention is demonstrated using FIGS. 1-8.

  The components of the reference numerals (for example, U-shaped steels 1a and 1b) used in FIGS. 1 to 8 are part of the components of the reference numerals (for example, column 1) in principle. Is shown.

1 to 8,
1 is a column (framework element) consisting of a cylindrical square steel pipe formed by cold pressing and cold roll forming, with at least one end in the longitudinal direction opened.
1a and 1b are a pair of U-shaped steels constituting the column integrally by welding to each of them,
1c is an optical duct output column hole formed on the side surface of the column,
1d is an annular reinforcing portion provided in the column 1 for reinforcing the periphery of the column hole 1c,
2 is a beam member (frame element) made of H-shaped steel,
3 is a well-known outer diaphragm which is welded to the column 1 and used for a connection portion with the beam member 2;
Respectively.

1-3,
4 is made of an aluminum mirror surface material set in a shape corresponding to the inner surface portion of the column 1 (U-shaped steel 1a, 1b), and is screwed to the inner surface portion of the column after the welding process, for example, both longitudinal end portions thereof Retrofitted screw-type optical duct that looks like an open rectangular cylinder,
4a is a plurality of optical duct hole portions formed in a portion facing the column hole portion 1c of the optical duct 4,
4b is an optical duct lateral connection portion provided in a form extending from the optical duct hole 4a to the outside of the column 1;
4c is a reinforcing angle member formed in the outer circumferential direction of the optical duct 4 to maintain the duct shape,
4d is a square pipe made of aluminum for screwing formed in a plurality (6 in total) in the longitudinal direction of the outer surface of the optical duct 4;
Respectively.

In FIG.
4 'is a connected body of optical duct body elements made of aluminum mirror surface material and screwed to the inner surface of each of the U-shaped steels 1a and 1b before welding, excluding the end portion of the welding target in the lateral direction. For example, an optical duct with a pre-fixed screw type that looks like a square cylinder with both ends in the vertical direction.
4a ′ and 4b ′ are bent into shapes corresponding to the inner surface portions of the U-shaped steels 1a and 1b (the portion excluding the end portion to be welded), and attached to the entire vertical direction of the inner surface portion by screws. A pair of optical duct body elements with a U-shaped cross section,
4c ′ is a plurality of optical duct hole portions formed in a portion facing the column hole portion 1c of the optical duct body element 4a ′;
4d ′ is an optical duct lateral connection portion provided so as to extend from each of the optical duct hole portions 4c ′ to the outside of the column 1;
4e ′ is a reinforcing angle member for maintaining the duct shape formed in the circumferential direction of the outer surface of the optical duct 4 ′.
4f ′ is an aluminum square pipe for screwing formed in a plurality (total of six) in the longitudinal direction of the outer surface of the optical duct 4 ′.
4 g ′ was welded between U-shaped steels 1 a and 1 b to which optical duct main body elements 4 a ′ and 4 b ′ were screwed, and then bonded between both circumferential (lateral) ends of the optical duct main body element. Optical duct connecting element,
Respectively.

2, 3 and 6,
5 is a fireproof covering material covering the entire column 1 and the optical duct lateral connection portions 4b, 4d ′,
6 is a gypsum board provided outside the fireproof covering 5;
Respectively.

4 and 5,
7 is made of an aluminum mirror material set in a shape corresponding to the inner surface portion of the column 1 (U-shaped steel 1a, 1b), and is bonded to the inner surface portion of the column after the welding process. Retrofitted adhesive type optical duct, like a rectangular cylinder
7a is a plurality of optical duct hole portions formed in a portion facing the column hole portion 1c of the optical duct,
7b is an optical duct lateral connection portion provided in a form extending from the optical duct hole 7a to the outside of the column 1,
Respectively.

In FIG.
7 'is an aluminum mirror surface material, which is a joined body of a pair of optical duct main body elements bonded to the inner surface portions of the U-shaped steels 1a and 1b before welding, excluding the side portions to be welded at the lateral ends. For example, a pre-adhesion type optical duct, such as a rectangular tube with both ends in the vertical direction opened,
7a ′ and 7b ′ are bent into shapes corresponding to the inner surface portions of U-shaped steels 1a and 1b (portions excluding the end portion to be welded), respectively, and attached to the entire vertical direction of the inner surface portion by bonding. A pair of optical duct body elements with a U-shaped cross section,
7c ′ is a plurality of optical duct hole portions formed in a portion facing the column hole portion 1c of the optical duct body element 7a ′;
7d 'is an optical duct lateral connection portion provided in a form extending from the optical duct hole 7c' to the outside of the column 1,
7e ′ is a light beam bonded between both end portions in the circumferential direction (lateral direction) of the optical duct body element after welding the U-shaped steels 1a and 1b to which the optical duct body elements 7a ′ and 7b ′ are bonded. Duct connecting element,
Respectively.

4, 5 and 7,
8 is a refractory board comprising an adhesive optical duct 7 provided so as to cover the column 1 to which the adhesive optical duct 7 is adhesively bonded and the optical duct lateral connection portions 7b and 7d '
Is shown.

2-7,
9 is a support fitting that is attached to the annular reinforcing portion 1d of the U-shaped steel 1a in the column 1 and holds the optical duct lateral connection portions 4b, 7b, 4d ′, 7d ′,
10 is a refractory glass provided on the output side of each of the optical duct lateral connection portions 4b, 7b, 4d ′, 7d ′,
Respectively.

  Here, in the column 1 and the beam member which are made of a cylindrical rectangular steel pipe and whose both ends in the longitudinal direction are opened, the respective cylindrical interiors serve as an internal space area for installing an optical duct.

  Further, in the beam member, column, and the like made of H-shaped steel, a pair of front and back concave portions in the respective H-shaped cross-sections serve as an internal space area for installing the optical duct.

  The basic feature of the column 1 shown in the figure is that, in its internal space, a retrofitting screw-type optical duct 4, a retrofitting adhesive type optical duct 7, a front screwing type optical duct 4 'and a front adhesive type optical duct 7 are provided. 'Etc. are attached with screws, various adhesives, double-sided adhesive tape, etc.

  As a result, the column 1 has a shape in which a light propagation function is added in addition to an original aggregate function as a framework element of various buildings.

  Therefore, when constructing a building with an optical duct, the column 1 itself as the framework element can be used as an optical duct.

  Moreover, when another optical duct is attached to the optical duct lateral connection portions 4b, 4d ', 7b, and 7d' of the above-mentioned various optical ducts 4, 4 ', 7, and 7', the optical duct is connected to the light duct (not shown). Light propagating to the lateral connection can be sent to the inside of a building or the like via this separate light duct.

  Further, depending on the situation inside the building, the natural light propagating inside the optical duct may be emitted indoors from each of the optical duct lateral connection portions 4b, 4d ', 7b, and 7d'.

  Of course, the various optical ducts 4, 4 ′, 7, 7 ′ described above are attached to the internal space of the beam member 2 although not shown.

  1 to 5 are retrofitted to the column 1. That is, the optical duct is attached to the inside of the column 1 in a so-called finished product state as a square steel pipe, and column welding after the optical duct is attached is unnecessary.

  On the other hand, in the optical ducts 4 ′ and 7 ′ in FIGS. 6 and 7, the optical duct main body elements 4a ′, 4b ′, 7a ′, and 7b ′ are individually preliminarily attached to the U-shaped steels 1a and 1b of the column 1, respectively. Thereafter, both end portions of the U-shaped steels 1a and 1b in the pre-attached state are welded.

  After the U-shaped steels 1a and 1b are welded, both end portions in the lateral direction of the optical duct body elements 4a ', 4b', 7a 'and 7b' are connected by the optical duct connecting elements 4g 'and 7e'.

  FIG. 1 to FIG. 3 show work procedures and the like after the optical screw 4 of a post-fixing type is attached to the column 1 until the optical duct lateral connection portion 4b is set.

That is,
(21) First, an outer diaphragm 3 is welded to a column 1 made of U-shaped steels 1a and 1b and having column hole portions 1c and annular reinforcing portions 1d formed on a plurality of side surfaces, respectively (see FIG. 1 (a)). ,
(22) Next, a screw-type optical duct 4 is inserted into the column internal space from one opening (upper end) of the column 1 after outer diaphragm welding (see FIG. 1 (b)).
(23) Next, the aluminum square pipe 4d of the optical duct 4 is screwed to the column 1 from the outside of the column (see FIGS. 2 and 3; the screws themselves are not shown),
(24) Next, for example, at the construction site of a building, after the optical duct hole 4a is formed in the part facing the column hole 1c of the optical duct 4, the optical duct lateral connection part is connected to the optical duct hole. Install 4b.

  In (22) above, a roller may be provided on the outer peripheral surface of the optical duct in order to facilitate the insertion of the optical duct 4 into the column internal space from one opening (upper end) of the column 1. Further, the guide portion of the roller may be formed on the inner peripheral surface of the column 1.

  FIGS. 2 and 3 are a cross-sectional view and a vertical cross-sectional view, respectively, showing how the column 1 having the post-screw-fixing type optical duct 4 is housed at the installation site.

Here, the column 1 to which the optical duct 4 is retrofitted by screwing to the aluminum square pipe 4d is as follows.
(31) The support fitting 9 is fixed to the annular reinforcing portion 1d integral with the column 1 with screws, rivets, an adhesive, etc.
(32) The optical duct lateral connection portion 4b is bonded and fixed to the support fitting 9.
(33) The refractory glass 10 is held in the annular concave portion of the support fitting 9,
(34) The entire column 1, the optical duct 4 and the optical duct lateral connection portion 4b are covered and protected by the fireproof covering material 5.

  FIGS. 4 and 5 are a cross-sectional view and a vertical cross-sectional view, respectively, showing a state in which the column 1 having the post-adhesion type optical duct 7 is installed at the installation site.

Here, the column 1 in which the optical duct 7 is retrofitted to the inner peripheral surface of the column by the adhesive action of various adhesives, double-sided tape, etc.
(41) The support fitting 9 is fixed to the annular reinforcing portion 1d integral with the column 1 with screws, rivets, an adhesive, etc.
(42) The optical duct lateral connection portion 7b is bonded and fixed to the support fitting 9,
(43) The refractory glass 10 is held in the annular concave portion of the support fitting 9,
(44) The entire column 1, the optical duct 7 and the optical duct lateral connection portion 7b are covered with a fireproof board 8.

  In order to attach the outer peripheral surface of the retrofitted adhesive type optical duct 7 to the inner peripheral surface of the column 1, an adhesive is applied to at least one of the inner peripheral surface and the outer peripheral surface, and then the optical duct is put into the column 1. Just go. For example, after the column 1 and the optical duct 7 are integrated using an adhesive thermosetting resin, the heat treatment is performed.

  FIG. 6 is a cross-sectional view showing a state in which the column 1 having the front screwing type optical duct 4 ′ is housed at the installation site.

Here, the column 1 with the optical duct 4 ′ is
(51) First, by the screwing action of the aluminum square pipe 4f ′ of each of the optical duct main body elements 4a ′ and 4b ′ and the U-shaped steels 1a and 1b, the optical duct main body element is placed on the inner surface of the U-shaped steel. Attach to each part (excluded from welding process) except for both lateral ends.
(52) Next, a square steel is formed by welding to both end portions in the lateral direction of each of the U-shaped steels 1a and 1b with the optical duct main body element,
(53) Next, the optical duct connecting element 4g ′ is bonded between the optical duct main body elements 4a ′ and 4b ′ inside the square steel,
It is in shape.

  In the above (53), by connecting the optical duct connecting element 4g ′ to each of the optical duct main body elements 4a ′ and 4b ′, a front screw fixing type optical duct 4 ′ composed of a square tube portion in a closed state is set. Is done.

And the column 1 provided with this optical duct 4 'is the same as the column of FIGS.
(61) The support fitting 9 is fixed to the annular reinforcing portion 1d integral with the column 1 with screws, rivets, an adhesive, etc.
(62) The optical duct lateral connection portion 4d ′ is bonded and fixed to the support fitting 9.
(63) The refractory glass 10 is held in the annular concave portion of the support fitting 9,
(64) The entire column 1, the optical duct 4 'and the optical duct lateral connection portion 4d' are covered and protected by the fireproof covering material 5.

  FIG. 7 is a cross-sectional view showing a state in which the column 1 having the pre-adhesion type optical duct 7 ′ is housed at the installation site.

Here, the column 1 equipped with the leading optical duct 7 'is
(71) First, the optical duct main body elements 7a ′ and 7b ′ are bonded to the inner surfaces of the U-shaped steels 1a and 1b by the adhesive action of various adhesives and double-sided tapes, respectively (excluding the ends in the transverse direction) Individually attached to the outside)
(72) Next, square steel is formed by welding to the lateral ends of each of the U-shaped steels 1a and 1b with the optical duct body element,
(73) Next, the optical duct connecting element 7e ′ is bonded between the optical duct main body elements 7a ′ and 7b ′ inside the square steel,
It is in shape.

  In (73) above, by connecting the optical duct connecting element 7e ′ to each of the optical duct main body elements 7a ′ and 7b ′, a front-adhesion type optical duct 7 ′ composed of a closed rectangular tube-shaped portion is set. The

And the column 1 provided with the optical duct 7 'of FIG. 7 is the same as the column of FIG. 4 and FIG.
(81) The support fitting 9 is fixed to the annular reinforcing portion 1d integral with the column 1 with screws, rivets, an adhesive, etc.
(82) The optical duct lateral connection portion 7d 'is fixed to the support fitting 9 by adhesion,
(83) The refractory glass 10 is held in the annular concave portion of the support fitting 9,
(84) The entire column 1, the optical duct 7 ′ and the optical duct lateral connection portion 7d ′ are covered with the fireproof board 8.

  When comparing the optical ducts 4 and 7 retrofitted in FIGS. 1 to 5 with the optical ducts 4 ′ and 7 ′ retrofitted in FIGS. 6 and 7, the retrofitted optical duct is affected by the heat caused by the welding process during column creation. The pre-attached optical duct has a feature that it can be easily attached to the U-shaped steels 1a and 1b.

  FIG. 8 is an explanatory diagram showing an outline of columns, beam framework elements, etc. in the initial stage of construction of a low-rise building (building).

Of course, the present invention is not limited to the above embodiments, for example,
(91) The cross-section of the column hole 1c, the optical duct holes 4a, 4c ′, 7a, 7c ′ and the optical duct lateral connection parts 4b, 4d ′, 7b, 7d ′ is made into an arbitrary shape such as a square or a polygon. Set,
(92) In addition to the beam member in the lateral direction, a separate type optical duct and an adhesive type optical duct are attached to the internal space region of the beam member arranged in an oblique direction.
(93) Instead of the aluminum mirror surfaces of the various optical ducts 4, 4 ', 7, and 7' described above, those having mirror surface specifications such as glass and resin are used.
(94) Instead of the aluminum mirror surface of the above-mentioned various optical ducts 4, 4 ', 7, 7', those having a diffusion surface specification such as gray coating or resin film pasting are used.
(95) Paint, evaporate or paste mirror surface, diffusion surface forming aluminum, resin, etc. on the inner peripheral surface of building framework elements such as columns and beams.
(96) Various fixing means such as screwing, riveting, and adhesive type are appropriately used as fixing means for each of the above-described components.
You may do it.

(In FIGS. 1 to 8)
1: Column (framework element)
1a, 1b: A pair of U-shaped steel 1c: Column hole 1d for optical duct output: Annular reinforcing part 2: Beam member (framework element)
3: Outer diaphragm

(In FIGS. 1 to 3)
4: Optical screw 4a of a retrofitting screw type: a plurality of optical duct holes 4b: an optical duct lateral connection portion 4c: a reinforcing angle member 4d: an aluminum square pipe for screw fixing

(In FIG. 6)
4 ′: Prefixed screw-type optical ducts 4a ′, 4b ′: A pair of optical duct body elements 4c ′: A plurality of optical duct hole portions 4d ′: Optical duct lateral connection portions 4e ′: Reinforcing angle members 4f ′: Screws Stopping aluminum square pipe 4g ': Optical duct connecting element

(In FIGS. 2, 3 and 6)
5: Fireproof coating 6: Gypsum board

(In FIGS. 4 and 5)
7: Retrofitted adhesive type optical duct 7a: Multiple optical duct holes 7b: Optical duct lateral connection

(In FIG. 7)
7 ': Pre-adhesion type optical ducts 7a', 7b ': A pair of optical duct main body elements 7c': Multiple optical duct holes 7d ': Optical duct lateral connection part 7e': Optical duct coupling element

(In FIGS. 4, 5 and 7)
8: Fireproof board

(In FIGS. 2 to 7)
9: Support bracket 10: Fireproof glass

Claims (5)

A skeleton element that is used as a basic structural part of a building and has an inner space area set by its own face part,
A light propagation part set in the inner space area,
A building framework element with a light propagation function characterized by that. The light propagation part is
It is an optical duct disposed in the internal space area,
A building framework element having a light propagation function according to claim 1. The framework element is
The surface portion is provided with a hole for light propagation part output,
A building framework element having a light propagation function according to claim 1 or 2.   The building which consists of a building frame element provided with the light propagation function in any one of Claims 1 thru | or 3. The framework element is made of iron or steel;
Its surroundings are covered with refractory,
The building according to claim 4, wherein:

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