JP5031439B2 - Building structures and metal structural members - Google Patents

Description

  The present invention relates to a building structure and a metal structure member.

  Glass is often used as an outer wall material in buildings such as office buildings and commercial buildings. The glass of the outer wall material not only has a functional role of daylighting but also emphasizes the appearance as a design, and a glass having a large area is used, or a long glass with a high height is used.

  The glass of the outer wall material is supported by being fitted into a sash, or supported by a stand provided perpendicular to the glass surface so as to withstand wind pressure. Usually, the vertical frame does not bear the load of the building, and the glass of the outer wall material is not connected to the structure for withstanding the load of the building. This is because it has been considered that when the structure and glass are connected, the load of the building is transmitted to the glass and the glass is destroyed.

  Various techniques have been disclosed for supporting glass. For example, Patent Document 1 discloses that a frame for supporting a plate glass as an exterior material is composed of a rib glass for the frame and a steel plate. Here, the steel plate only sandwiches the rib glass and does not support the load of the building. In patent document 2 and patent document 3, in order to join plate glass and a vertical metal plate, a strip-shaped glass plate is sandwiched between the plate glass and the metal plate, and a gripping member that holds the glass plate and is connected to the metal plate; It is disclosed that the secondary member which consists of this is installed.

  Moreover, although the rib glass in patent documents 4-6 bears the force from the plate glass surface outside, it is trying not to bear the in-plane force. Moreover, the rib glass in patent document 7 is fitted by the sash frame part which supports the plate glass as an outer wall material, and is joined with the plate glass.

JP 2005-163322 A JP 2006-16776 A JP 2004-124648 A JP 2000-336805 A Japanese Patent Laid-Open No. 11-200535 Japanese Patent Laid-Open No. 9-67883 JP 2005-36639 A

  With reference to FIG.1 and FIG.2, the conventional glass support structure and building structure are demonstrated. FIG.1 and FIG.2 is sectional drawing which shows the conventional glass support structure and a building structure.

  When the sheet glass 12 as the outer wall material is erected from the floor surface, for example, the sheet glass 12 is fitted into a sash 18 erected in parallel with the sheet glass 12 as shown in FIG. Supported. Further, the sash 18 is connected to the structural member 14 (H-shaped steel in FIG. 1) that supports the load of the building via the connecting members 16 and 20, and can be erected. The connecting member 16 is connected to the structural member 14 by the welded portion 30, and the connecting member 20 is connected to the sash 18 by the welded portion 30. The connecting members 16 and 20 are connected to each other by bolt connection using bolts 26, nuts 28, and washers 27. Thus, when installing plate glass as an outer wall material in a building, a large number of members such as sashes, connecting members, and bolts are required.

  Further, referring to FIG. 2, another conventional example will be described. The plate glass 12 is fitted into the two sash members 18 and 19. As shown in FIG. 2, the sash members 18 and 19 are connected to each other by bolt joining using bolts 26, nuts 28, and washers 27. The sash member 18 is connected to the connecting member 16 having a U-shaped cross section by bolt joining. The connecting member 16 is connected to the structural member 14 (circular steel pipe in FIG. 2) via the welded portion 30. In the conventional example shown in FIG. 2, the number of connecting members and welded portions is smaller than in FIG. 1, but it is necessary to combine the sash members, and the configuration of the sash is complicated.

  When the plate glass of the outer wall material is installed as the outer wall material as described above, if the sash or the connecting member for connecting the sash to the structural member is installed, the number of members necessary for the installation of the plate glass increases. As a result, it is necessary to assemble and attach each member, and there are problems that it takes time to install the plate glass and the cost is increased. In addition, when the sash was used, the thickness of the sash was conspicuous in appearance, so it was difficult to finish the exterior design with an emphasis on plate glass.

  Therefore, the present invention has been made in view of the above problems, and the object of the present invention is a new and improved one that can reduce the number of members and install a plate glass in a building. The object is to provide a building structure and a metal structure member.

  In order to solve the above problems, according to one aspect of the present invention, a plate glass installed in a building, a metal structural member that supports a load applied to the building and has a facing surface facing the plate glass, There is provided an architectural structure comprising a sealing material that separates the plate glass and the structural member and connects the plate glass and the opposing surface of the structural member to each other.

  With this configuration, the plate glass is installed in the building, and the metal structural member supports the load applied to the building. Moreover, the opposing surface which opposes plate glass is formed in a structural member, a sealing material isolate | separates plate glass and a structural member, and connects plate glass and the opposing surface of a structural member mutually. Therefore, since plate glass is installed in a structural member via a sealing material, plate glass can be erected on a building with few members.

  Two plate glasses may be arrange | positioned in the same surface, and the edge part of two plate glasses may be connected with the opposing surface of the same structural member through the sealing material. With this configuration, two plate glasses can be installed with one structural member via a sealing material.

  The plate glass may be an outer wall material, an inner wall material, a roof material, a floor material, or a ceiling material. With this configuration, the plate glass is installed as an outer wall material, an inner wall material, a roof material, a floor material, or a ceiling material of a building.

  The structural member may be a pillar material or a beam material. With this configuration, the structural member supports a load applied to the building as a pillar material or a beam material.

  When the plate glass is installed to be inclined with respect to the horizontal plane, the structural member may be formed with a protrusion that protrudes from the opposing surface and supports the end of the plate glass. With this configuration, when the plate glass is installed to be inclined with respect to the horizontal plane, the support portion protrudes from the opposing surface and supports the end portion of the plate glass, thereby preventing the plate glass from moving downward. it can.

  The structural member is a steel material, and the surface of the structural member may be subjected to rust prevention treatment. With this configuration, the sealing material adheres to the surface of the structural member that has been subjected to rust prevention treatment.

  The structural member may include a main body portion that supports a load applied to the building, and a support portion that protrudes from the main body portion to the plate glass side and has an opposing surface. With this configuration, the main body portion supports the load applied to the building, and the support portion is formed to protrude from the main body portion to the plate glass side. Moreover, an opposing surface is formed in the support part. Since the support part protrudes from the main body part, an interval corresponding to the protrusion of the support part from the main body part can be provided between the plate glass and the main body part.

  The support part may be formed separately from the main body part. With this configuration, the structural member is configured by combining the main body portion and the support portion.

  A concave groove may be formed on the opposing surface of the structural member. With such a configuration, rainwater can flow through the groove, and rainwater can be prevented from entering the building.

  Moreover, in order to solve the said subject, according to another viewpoint of this invention, it has the opposing surface which supports the load concerning a building, and opposes the plate glass installed in a building, plate glass and an opposing surface, A metal structural member is provided that is spaced apart from the plate glass by a sealing material that connects the two to each other.

  With this configuration, the metal structural member supports the load applied to the building. Moreover, the opposing surface which opposes plate glass is formed in a metal structure member, a sealing material separates plate glass and a metal structure member, and connects the plate glass and the opposing surface of a metal structure member mutually. Therefore, since plate glass is installed in a metal structure member via a sealing material, plate glass can be erected on a building with few members by using a metal structure member.

  You may provide the main-body part which supports the load concerning the said building, and the support part which protrudes in the plate glass side from a main-body part, and has an opposing surface. With this configuration, the main body portion supports the load applied to the building, and the support portion is formed to protrude from the main body portion to the plate glass side. Moreover, an opposing surface is formed in the support part. Since the support part protrudes from the main body part, an interval corresponding to the protrusion of the support part from the main body part can be provided between the plate glass and the main body part.

  The support part may be formed separately from the main body part. With this configuration, the structural member is configured by combining the main body portion and the support portion.

  According to the present invention, the number of members can be reduced and a plate glass can be installed in a building.

  Exemplary embodiments of the present invention will be described below in detail with reference to the accompanying drawings. In addition, in this specification and drawing, about the component which has the substantially same function structure, duplication description is abbreviate | omitted by attaching | subjecting the same code | symbol.

(First embodiment)
First, the building structure 100 according to the first embodiment of the present invention will be described. FIG. 3 is a perspective view showing the building structure according to the present embodiment. FIG. 4 is a cross-sectional view showing the building structure according to the present embodiment.

  The building structure 100 of the present embodiment is a structure that supports the load of a building while standing the plate glass 110 as an outer wall material, and includes the plate glass 110, the column member 120, and the structural seal 140. Here, the building is composed of a structural member such as a flooring material, a wall material, a beam material, and is, for example, an office building, a commercial building, or the like. The pillar material 120 is an example of a structural member, and the structural seal 140 is an example of a seal material.

  The plate glass 110 is erected from the height of a floor surface (not shown), for example, as an outer wall material, and extends to a height up to the height of the ceiling surface or the floor surface of the upper floor. In addition, the width | variety, length, and thickness of plate glass can be made into the dimension which can be resisted from external forces, such as a wind pressure, and can be changed according to design. In particular, the thickness T1 (see FIG. 4) of the plate glass 110 is determined by the wind pressure.

  The plate glass 110 is, for example, a float plate glass manufactured by cooling molten glass on molten metal tin, a double-strength glass having a wind pressure strength about twice that of a float plate glass of the same thickness, and a float plate glass. Tempered glass that can withstand 3 to 5 times the stress, meshed glass that prevents the glass from being scattered by interposing iron wires inside, and an interlayer film such as resin sandwiched between multiple float plate glasses Various plate glasses such as glass can be applied.

  The column member 120 is, for example, a steel structural material usually used in a steel structure of a building. For example, the column member 120 is extended from a foundation material of a building to a roof material. The column member 120 includes a main body 122 that bears most of the load applied to the column member 120, a support portion 132 that protrudes on the side where the glass sheet 110 is installed when installed in a building, a support portion 132, and a main body portion. 122 and a connecting portion 134 formed between the two. The column member 120 has the same cross section in the major axis direction, and the main body 122 has a shape that approximates, for example, a hollow square steel pipe, as shown in FIGS. 3 and 4. The support portion 132 and the coupling portion 134 are combined to form a T-shaped cross section. The support part 132 has a facing surface 132A on the plate glass 110 side. In order to form the cross-sectional shape of the pillar 120, the pillar 120 can be manufactured from hot stamped steel.

  The plate glass 110 and the column member 120 are arranged in parallel with a predetermined distance (for example, T4 shown in FIG. 4). Further, the two plate glasses 110 are arranged in the same plane, and as shown in FIG. 4, the end surface 110 </ b> A on the column member 120 side which is the end of the plate glass 110 and the facing surface 132 </ b> A are connected by the structural seal 140. Is done. The two plate glasses 110 are connected to one column member 120 via a structural seal 140.

  The structural seal 140 separates the plate glass 110 and the column member 120. Note that the structural seal 140 does not transmit force to the glass sheet 110 even if the column 120 is deformed by bending or tilting due to an external force. The structural seal 140 is disposed between the end surface 110A and the facing surface 132A without any gap from the lower end portion to the upper end portion of the plate glass 110. A width T3 (see FIG. 4) where the end face 110A or the opposing face 132A contacts the structural seal 140 is determined by the wind pressure. That is, when T3 is short, the area where the structural seal 140 contacts the plate glass 110 and the column member 120 is narrowed, and the adhesive force is reduced. On the other hand, when T3 is long, the contact area between the structural seal 140 and the plate glass 110 or the column member 120 is increased, so that the adhesive force is improved and the structure can withstand wind pressure more firmly. The width T4 of the structural seal 140 having a length equal to the distance between the plate glass 110 and the column member 120 is determined so that the structural seal 140 is not cut due to the shear deformation of the structural seal 140 during an earthquake.

  The end face 110B which is an end portion of the plate glass 110 and the plate glass 110 faces each other is bonded with a waterproof seal 142 to prevent rainwater or the like from entering the building. The waterproof seal 142 is disposed between the end surfaces 110 </ b> B without a gap from the lower end portion to the upper end portion of the plate glass 110. The waterproof seal 142 width T2 (see FIG. 4), which is the length equal to the distance between the end faces 110B, is determined such that the two glass sheets do not come into contact with each other due to deformation of the glass sheet 110 during an earthquake.

  As the structural seal 140 and the waterproof seal 142, a glass sealing material can be applied. For example, silicone, polysulfite, or modified silicone is used as a main component.

  Next, the column member 120 will be described in detail with reference to FIG. As described above, the column member 120 includes the main body portion 122, the support portion 132, and the connecting portion 134.

  The support portion 132 has a facing surface 132A that is substantially parallel to the plate glass 110 when the column member 120 is installed as a building structure. When one column member 120 is connected to two plate glasses 110, as shown in FIGS. 3 and 4, two structural seals 140 are bonded to the opposing surface 132A. The width T5 of the support portion 132 shown in FIG. 4 is determined by the total value of the width T2 of the waterproof seal and the width T3 of the structural seal. In FIG. 4, T5 = T3 + T2 + T3. The length T7 that the support portion 132 protrudes from both sides of the connecting portion 134 is determined from the width T5 of the support portion 132 and the width T6 (described later) of the connecting portion 134, and T7 = (T5−T6) / 2. . The thickness T8 of the support portion 132 is determined by the wind pressure received by the plate glass 110 and the length T7 that the support portion 132 projects from both sides of the connecting portion 134.

  Note that the surface of the column member 120 may be subjected to rust prevention treatment such as aluminum zinc spraying or fluorine coating. In addition, the adhesion performance between the surface of the steel column 120 subjected to rust prevention treatment such as aluminum zinc spraying or fluorine coating and the structural seal 140 having the main component such as silicone described above is the adhesion performance. It has been confirmed by the inventors of the present invention that it has a performance equivalent to the adhesion performance between the surface of a glass material or aluminum material considered to be high and the sealing agent. Therefore, even if the structural seal 140 is bonded to the steel pillar 120 that has been subjected to rust prevention treatment such as aluminum zinc spraying or fluorine coating, the building structure according to the present embodiment is sufficient from the viewpoint of bonding performance. The plate glass 110 can be supported.

  The connecting portion 134 is formed between an intermediate portion on one side surface of the main body portion 122 and an intermediate portion on the surface opposite to the facing surface 132 </ b> A of the support portion 132. The width T6 of the connecting portion 134 can be formed narrower than the width T5 of the support portion 132, and the minimum value of the width T6 is determined by the wind pressure received by the plate glass 110.

  The interval T9 between the side surface of the main body 122 on the side of the plate glass 110 and the one side of the plate glass 110 on the column member 120 side is equal to or larger than the width T4 of the structural seal 140, and the structure when the plate glass 110 is installed on the facing surface 132A. It is desirable that there is an interval at which the seal 140 can be disposed (constructed). A length T10 from the side surface of the main body 122 on the side of the plate glass 110 to the facing surface 132A is determined by the interval T9 and the width T4 of the structural seal 140. Accordingly, since the support portion 132 and the connecting portion 134 having the length T10 are provided, the space between the plate glass 110 and the column material 120 is widened, so that the workability of the structural seal 140 is improved, and the plate glass 110 and the column material 120 Can also be prevented.

  The shape of the support part 132 and the connection part 134 can be determined on the conditions of T2-T10 as mentioned above, and can make the pillar material 120 into an efficient shape which is structurally useless.

  As described above, according to the configuration of the present embodiment, the column member 120 not only supports the plate glass 110 but also bears the load applied to the building. Moreover, the building structure of this embodiment can support and install the plate glass 110 as the outer wall material of the building only by the column member 120 and the structural seal 140. Therefore, a secondary member such as a sash for connecting the plate glass and the column member is unnecessary, and the plate glass 110 can be erected with a small number of parts. As a result, construction time can be shortened and construction costs can be reduced.

  Next, a modified example of the building structure according to the first embodiment of the present invention will be described. FIG. 5 is a cross-sectional view showing a modified example of the building structure according to the present embodiment. FIG. 6 is a perspective view showing another modification of the building structure according to the present embodiment. FIG. 7 is a perspective view showing still another modified example of the building structure according to the present embodiment. FIG. 8 is a side view showing the building structure of FIG.

  In the above-described embodiment, the main body 122 of the column member 120 has a substantially square steel pipe shape, but the present invention is not limited to such an example. For example, a pillar material 220 having a shape as shown in FIG. 5 may be used. The column member 220 includes a main body portion 222, a support portion 232, and a connecting portion 234, and the support portion 232 has an opposing surface 232 </ b> A. The main body 222 of the column member 220 has a T-shaped cross section.

  Moreover, although the column member 120 of the above-described embodiment has been described with respect to the case where the main body portion 122, the support portion 132, and the connecting portion 134 are integrally formed, the present invention is not limited to such an example. For example, in the modification shown in FIG. 6, the column member 320 includes a main body member 322 and a connecting member 330.

  The main body member 322 is, for example, a hollow rectangular steel pipe, and a plate-like connecting portion 321 is formed on one side surface. The main body member 322 is, for example, hot stamped steel, and a square steel pipe portion and a connecting portion 321 are integrally formed. The connecting member 330 includes a support portion 332 and two connecting portions 334, and has a substantially π-shaped cross section. A connecting portion 321 is sandwiched between two connecting portions 334, and the main body member 322 and the connecting member 330 are joined with a bolt 326, a nut 328 (not shown in FIG. 6), and a washer 327 (not shown in FIG. 6). Combined by.

  Dimensions such as the width and length of the connecting portion 321 of the main body member 322, the support portion 332 of the connecting member 324, and the two connecting portions 334 are determined in substantially the same manner as T2 to T9 of the column member 120 of the above-described embodiment. be able to. If the column member 320 is formed as a separate body, such as the main body member 322 and the connecting member 330, the number of components is increased as compared with the above-described embodiment. In some cases, the column material can be manufactured more easily than 120.

  7 and 8, the main body member 422 of the column member 420 is a circular steel pipe. The connecting member 330 is the same as the modification shown in FIG. A plate-like connecting member 421 is connected to the main body member 422 via a welded portion 423. Then, the connecting member 421 and the two connecting portions 334 of the connecting member 330 are joined by bolts. Thus, the pillar material of the present invention is not limited to an integrally molded product, and may be formed by joining another molded product by welding.

(Second Embodiment)
Next, a building structure 500 according to the second embodiment of the present invention will be described. FIG. 9 is a cross-sectional view showing the building structure according to the present embodiment. FIG. 10 is a partially enlarged cross-sectional view of the building structure of FIG.

  The building structure 500 of the present embodiment is a structure that plays the role of a beam while arranging the plate glass 510 as a roofing material. The building structure 500 includes a plate glass 510, a beam member 520, and a structural seal 540.

  The plate glass 510 is installed as a roofing material inclined with respect to a horizontal plane. The size and type of the plate glass 510 can be changed according to the design, like the plate glass 110 of the first embodiment.

  The beam material 520 includes a main body portion 522 that bears most of the load as a beam material of the building, a support portion 532 that protrudes on the side where the plate glass 510 is installed when installed in the building, a support portion 532, and the main body The connecting portion 534 is formed between the connecting portion 522 and the connecting portion 522.

  The main body 522 can be a structural material having an arbitrary shape similarly to the column member 120 of the first embodiment, and in the embodiment shown in FIGS. 9 and 10, the shape is similar to a hollow rectangular steel pipe. .

  The support part 532 is wider than the connection part 534 similarly to the column member 120 of the first embodiment, but protrudes to the side where the plate glass 510 is installed from the intermediate part of the opposing surface of the support part 532. A protrusion 536 is formed. A spacer 550 is disposed between the protrusion 536 and the end surface 510B of the upper glass plate 510. The protrusion 536 and the spacer 550 support the end of the upper glass sheet 510. The arrangement of the structural seal 540 and the waterproof seal 542 is the same as in the first embodiment.

  Next, the beam member 520 will be described in detail with reference to FIG. An interval U1 between the end surface 510B of the lower plate glass 510 and the protrusion 536 is a clearance determined by interlayer deformation during an earthquake. U1 needs to have such a length that the plate glass 510 does not hit the projection 536 even if the lower plate glass 510 rises during deformation. Further, the distance U2 between the end surface 510B of the upper glass plate 510 and the protrusion 536 is determined by the interlayer deformation during the earthquake and the ease of construction when constructing the spacer 550. It is necessary that the plate glass 510 has a length that does not hit the beam member 520, for example, the support portion 532, even if the upper plate glass 510 sinks downward during deformation.

  The thickness U3 of the protrusion 536 is determined by the weight of the upper glass plate 510 and the height U4 from the tip of the protrusion 536 to the facing surface 532A. The height U4 from the tip of the protrusion 536 to the facing surface 532A is determined by the height of the structural seal 540, the weight of the upper plate glass 510, and the necessary cost of the plate glass 510 that receives the weight of the upper plate glass 510. .

  As described above, according to the configuration of the present embodiment, the beam member 520 not only supports the plate glass 510 but also bears the load applied to the roof material. Moreover, the building structure of this embodiment can support and install the plate glass 510 as a roofing material of a building only by the beam material 520, the structural seal 540, and the spacer 550. Therefore, a secondary member such as a sash for connecting the plate glass and the column member is unnecessary, and the plate glass 510 can be installed with a small number of parts. As a result, construction time can be shortened and construction costs can be reduced.

(Third embodiment)
Next, with reference to FIGS. 11 and 12, a building structure according to a third embodiment of the present invention will be described. FIG.11 and FIG.12 is sectional drawing which shows the building structure which concerns on this embodiment.

  The column member 620 in FIG. 11 is different from the column member 120 shown in FIG. 4 in the two protruding portions 636 and the groove portion 638 that protrude from the facing surface 632A. 12 is different from the beam member 520 shown in FIG. 10 in the protruding portion 737 and the groove portion 738 protruding from the facing surface 732A. The other constituent members are the same and will not be described in detail.

  By forming the two protrusions 636 on the column member 620, a concave groove 638 is formed. Further, a projection 736 that supports the upper glass plate 510 formed on the beam member 720 and another projection 737 are formed, whereby a concave groove 738 is formed. Even when the waterproof seals 142 and 542 are cracked or cut due to deterioration or the like, the groove portions 638 and 738 serve as rainwater passages and can prevent rainwater from entering the building. . In the present embodiment, the grooves 638 and 738 are formed by the protrusions 636 and 737, but the present invention is not limited to this example. For example, a groove may be formed in a concave shape from the opposing surfaces 632A and 732A to the inside of the column member 620 and the beam member 720.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to this example. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  Although the said embodiment demonstrated the case where plate glass was an outer wall material or a roof material, this invention is not limited to this example. For example, the plate glass may be an inner wall material, a floor material, or a ceiling material.

It is sectional drawing which shows the conventional glass support structure and building structure. It is sectional drawing which shows the conventional glass support structure and building structure. It is a perspective view which shows the building structure which concerns on the 1st Embodiment of this invention. It is sectional drawing which shows the building structure which concerns on the embodiment. It is sectional drawing which shows the example of a change of the building structure which concerns on the embodiment. It is a perspective view which shows another example of a change of the building structure which concerns on the embodiment. It is a perspective view which shows another example of a change of the building structure which concerns on the embodiment. It is a side view which shows the building structure of FIG. It is sectional drawing which shows the building structure which concerns on the 2nd Embodiment of this invention. It is a partial expanded sectional view of the building structure of FIG. It is sectional drawing which shows the building structure which concerns on the 3rd Embodiment of this invention. It is sectional drawing which shows the building structure which concerns on the embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Building structure 110, 510 Sheet glass 110A, 110B End surface 120, 220 Column material 122, 222 Main body part 132, 332 Support part 132A, 532A Opposing surface 134, 234, 334 Connection part 140, 540 Structural seal 142 Waterproof seal 322 Main body member 330 connecting member 520 beam

Claims (12)

Sheet glass installed in buildings,
A metal structural member that supports a load applied to the building and has a facing surface facing the plate glass;
A sealing material that separates the plate glass and the structural member, and connects the plate glass and the facing surface of the structural member to each other;
With
The structural member is a pillar material or a beam material. The two glass sheets are arranged in the same plane,
2. The building structure according to claim 1, wherein end portions of the two sheet glasses are connected to the facing surfaces of the same structural member via the sealing material.   3. The building structure according to claim 1, wherein the plate glass is an outer wall material, an inner wall material, a roof material, a floor material, or a ceiling material. When the plate glass is installed inclined with respect to a horizontal plane,
The building structure according to claim 2, wherein the structural member has a protruding portion that protrudes from the facing surface and supports an end portion of the plate glass. The building structure according to any one of claims 1 to 4 , wherein the structural member is a steel material, and the surface of the structural member is subjected to a rust prevention treatment. The structural member is
A main body for supporting the load applied to the building;
A support part protruding from the main body part toward the plate glass side and having the facing surface;
The building structure according to any one of claims 1 to 5 , comprising: The building structure according to claim 6 , wherein the support part is formed separately from the main body part.   The building structure according to claim 1, wherein a concave groove is formed on the facing surface of the structural member. Supports the load applied to the building, has a facing surface facing the plate glass installed in the building,
A metal structural member that is spaced apart from the plate glass by a sealing material that connects the plate glass and the facing surface to each other,
The metal structure member is a column material or a beam material. A main body for supporting the load applied to the building;
A support part protruding from the main body part toward the plate glass side and having the facing surface;
The metal structural member according to claim 9 , comprising: The metal structure member according to claim 10 , wherein the support part is formed separately from the main body part. Sheet glass installed in buildings,
A metal structural member that supports a load applied to the building and has a facing surface facing the plate glass;
A sealing material that separates the plate glass and the structural member, and connects the plate glass and the facing surface of the structural member to each other;
With
A building structure, wherein a concave groove for flowing rainwater is formed on the facing surface of the structural member.

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