JP2007262800A - Portal rigid-frame structure member and portal rigid-frame structure using this member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portal rigid-frame structure member for a highly pressure-proof woody framework structure and a portal rigid-frame structure, by sharing a load applied to a moment resistance joining part by individual members. <P>SOLUTION: This portal rigid-frame structure 1 is composed of a pair of right-left column members 2 and 3 of forming a narrow cutout communicating with a wide cutout up to an end surface by fixing a retracting metal fitting 6 integrally fixed with a bolt holding member in the wide cutout formed in a side surface part of a lower end part, and a beam member 4 of forming the narrow cutout communicating with the cutout up to an end surface by fixing the retracting metal fitting 6 in the wide cutout formed in the side surface part of both end parts, and is formed by integrally connecting a joining part of the column members 2 and 3 and the beam member 4 by a cross-sectional L-shaped bracket 7, by integrally connecting the column members 2 and 3 and the beam member 4 by engaging a nut with an installation bolt 8 projecting from the bolt holding member, by inserting the installation bolt 8 toward the inside of the bolt holding member of the retracting metal fitting 6 from a side surface of the respective column members 2 and 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

This invention is excellent in workability using a portal ramen component for constructing a portal ramen structure for use in a frame construction method that is a conventional wooden construction method, and the portal ramen component This relates to the portal ramen structure.

  The frame structure in the frame structure in the traditional wooden construction method is integrally connected between the upper ends of the pillar members made of wood that are arranged on the left and right sides with the required spacing with the same beam material as the pillar members. At the time of connection, a tenon is formed in one of the joints, a tenon hole is formed in the other joint, and both are fitted together to form a ramen structure.

  However, since the above conventional construction method requires a skillful technique, when the column and the base are coupled, for example, as shown in FIG. 5 of Japanese Patent Laid-Open No. 2001-303663 shown as Patent Document 1, a special shape is used. A method of forming a ramen structure using means such as a plate-shaped joining fitting, a T-shaped joining fitting (not shown), or the like is used.

In that case, for example, as shown in FIG. 7 of Japanese Patent Laid-Open No. 2002-294869 (Patent Document 2), the lower end portion of the column member has a back plate portion and a penetrating engagement portion of a pulling bolt, The plate portion is provided with a rising portion with both side portions bent to one surface side, and a pulling metal member having a penetrating engagement portion fixed to the rising portion is fixed, and the column member is fastened to the cloth foundation and the base. .
JP 2001-303663 A (see FIG. 5) JP 2002-294869 A (see FIG. 7)

  The wooden frame structure using the pulling metal fittings disclosed in Patent Document 2 is a wooden structure having a high bonding strength compared to the ramen structure in which the base and the vertical frame material are joined by the joint metal fitting disclosed in Patent Document 1. Although it is possible to construct a shaft assembly structure, it is difficult to carry when attracting metal fittings are exposed on the pillar member, so it can only be installed on site as in the conventional construction method. There is a practical problem that cannot be done.

In view of such problems, the present invention, when constructing a portal ramen structure for use in a frame construction method using a pulling metal fitting, bears the load applied to the moment resistance joint site with an individual member, It is possible to obtain a wooden frame structure with high pressure resistance, improve the strength without reducing the strength of the wood that constitutes the structure, and can be built with conventional construction procedures with ease. A portal ramen component and a portal ramen structure using the component are provided.

In order to achieve the above object, the invention according to claim 1 of the present invention provides:
It is for constructing a portal ramen structure consisting of a pair of column members arranged on the left and right sides with a required interval, and beam members in which the upper ends of these column members are connected to each other by a retractable fitting. There,
On the lower side of the rectangular plate body, a required length is left between the end surface and the bolt holding member is integrally fixed along the longitudinal direction, and is fixed to the entire surface of the rectangular plate body. Retractable metal fittings with bolt insertion holes,
There is a wide notch for embedding and fixing the retractable fitting, and a narrow notch for inserting the tip of the anchor bolt protruding on the foundation and / or base into the bolt holding member of the retractable fitting. , A pair of left and right column members respectively formed on the opposite side surfaces of the lower end,
Beams in which a wide notch portion in which the lead-in fitting is embedded and a narrow notch portion through which a mounting bolt is inserted into a bolt holding member of the lead-in fitting are formed on opposite side portions of both ends. Members,
It is composed of the column member and the beam member, and the mounting member for fixing the column member and the base, which are L-shaped or T-shaped in cross section and have bolt insertion holes in the horizontal portion and the rising portion, respectively. It is a portal ramen component characterized by the above.

The invention according to claim 2 of the present invention is
A bolt holding member is integrally fixed along the longitudinal direction in a wide notch formed on the opposite side surfaces of the lower end, and a fixing bolt insertion hole is formed on the entire surface of the rectangular plate. A pair of left and right column members in which the formed lead-in metal fittings are embedded and fixed, and are formed with narrow notches communicating to the notches to the end surfaces, and a wide width formed on the opposite side surfaces of both ends. The retraction metal fitting is embedded and fixed in the notch part, and the beam member is formed with a narrow notch part communicating with the notch part to the end surface,
A beam member is disposed at the upper end portion between the column members, and a mounting bolt is inserted from the side surface of each column member into the bolt holding member of the retracting bracket, and the mounting bolt protrudes from the bolt holding member. The column member and the beam member are integrally connected by engaging the nut,
It is a portal ramen structure characterized in that the joint between the column member and the beam member is integrally connected by a mounting bracket having an L-shaped or T-shaped cross section.

The invention according to claim 3 of the present invention is
The portal ramen structure according to claim 2,
The retractable metal fitting is
A part of both sides of the lower part of the rectangular plate body is erected on the same surface side, and both ends of a bolt holding member having a U-shaped section are fixed integrally between the standing parts, and the rectangular plate body and the U-shaped section are fixed. The cylindrical part formed between the bolt holding members is a bolt insertion part.

The invention according to claim 4 of the present invention is
The portal ramen structure according to claim 2,
The pair of left and right column members are
The lower end portion of the side surface portion other than the side surface provided with the retracting metal fitting has an L-shaped or T-shaped cross section, a horizontal portion has a through hole for inserting an anchor bolt, and a rising portion has a drift pin A mounting bracket for fixing the foundation and / or the foundation, each having a through hole for inserting a mounting bolt such as the above, is provided.

The invention according to claim 5 of the present invention is
In the portal ramen structure according to claim 4,
The anchor bolt is
It is a high tension bolt.

  The portal ramen constituting member according to the present invention includes a pair of left and right column members that are opposed to each other at the lower side surface portions, and beam members that connect between the upper end portions of the column members. A wide notch for embedding and fixing the retractable bracket is formed, and a narrow notch for inserting an anchor bolt or a mounting bolt into the bolt holding member of the retractable bracket is formed on the wide notch from the end surface. Since the cross-sectional area of the end surface portion of the column member or beam member is widened, the yield strength due to the penetration of the tree is improved, the variation in the yield strength performance is eliminated, and stabilization can be achieved.

In addition, since the portal ramen structure of the present invention is constructed using the portal ramen constituent member, the cross-sectional area of the end surface portion of the column member or the beam member is widened, the yield strength due to the penetration of the tree is improved, and the yield strength is increased. Dispersion of performance can be eliminated and stabilization can be achieved, and by mounting it in advance at the factory, mounting bolts that protrude on the base or foundation can be used with retractable fittings or L-shaped cross sections. Alternatively, the portal ramen structure can be installed only by tightening with a nut through the bolt insertion part of a T-shaped mounting bracket, so there is no need to change the conventional work procedure, and it is easy and easy. It can be constructed.

  Hereinafter, an example of a portal ramen component of the present invention and an example of a portal ramen structure using the component will be described with reference to the accompanying drawings. However, the present invention does not change the gist thereof. Various changes can be made.

  The portal ramen constituting member according to the present invention includes a pair of left and right column members 2 and 3 arranged at a predetermined interval, which constitute the portal ramen structure 1, and an upper end portion of the column members 2 and 3 A beam member 4 for integrally connecting with each other, a pull-in metal fitting 6 for integrally connecting the column member 2 or 3 and the beam member 4, or the column member 2 or 3 and the base and / or the foundation 5; It consists of a metal fitting 7.

  As shown in FIG. 1, each of the pair of left and right column members 2 and 3 has a notch 21 with a required depth that is narrower from the end surface toward the upper side at the opposite side surface portion of the lower end portion. A notch for embedding the lead-in metal fitting 6 having a wide notch 22 at the front end thereof with a stepped portion having the same depth as the notch 21 and a required length. A portion 23 is formed. At that time, a notch (not shown) for embedding the mounting bracket 7 may be formed at a required depth from one side surface where the notch 23 is not formed to the other side surface. .

  As is apparent from FIG. 2, the beam member 4 is formed with notches 43 for embedding the lead-in metal fittings 6 in the opposite side surface portions of both ends, similarly to the notches 23. The notch 43 is composed of a wide notch 42 for directly fixing the retractable metal fitting 6 and a narrow notch 41 communicating with the wide notch 42 extending from the end surface. The wide notch 42 is formed at the same depth, and the narrow notch 41 is for inserting the shaft portion of the mounting bolt.

  As is apparent from FIG. 3, the retractable metal fitting 6 is constructed such that upright portions 62, 62 are integrated by raising up the opposing side surface portions of the lower part of the rectangular plate 61 having the required width and length in the same direction. And a bolt holding member 63 having a substantially circular or U-shaped cross section between the upright portions 62 and 62 is integrally fixed by appropriate means such as welding. A portion between the bolt holding members 63 serves as an insertion portion 64 for the mounting bolt. Further, on the entire surface of the rectangular plate 61, there are formed fixing screw insertion holes 65 for fixing the lead-in metal fittings 6 in the notches of the column members 2, 3 and the beam member 4. .

  The standing portion 62 is for securely and firmly fixing the bolt holding member 63 having a substantially circular or U-shaped cross section to the rectangular plate body 61. There are no restrictions.

As shown in FIG. 4, the mounting bracket 7 has a T-shaped cross section, and the horizontal portion 71 and the rising portion 72 are formed with insertion holes 73 for fixing bolts or drift pins (not shown), respectively. In use, the rising portion 72 is used by being embedded in a notch formed in the end face of the column member 2 (and 3), and there are no particular restrictions on the method of use. There is nothing.
In the case of using a part or all of the mounting bracket 7 in an exposed manner, one having an L-shaped cross section is used.

  The portal ramen constituting body 1 can be constituted by using the portal ramen constituting member having such a configuration by the method described below.

  First, as clearly shown in FIG. 2, the lead-in metal fitting 6 is inserted into the notches 23 and 43 of the column members 2 and 3 and the beam member 4, and the narrow portion (lower side) of the rectangular plate 61 is on the end surface side. Then, the bolt holding member 63 is fitted so as to be positioned on the opening side, and is fixed in the notches 23 and 43 using bolts or screws B.

Further, as is apparent from FIG. 1, mounting brackets 7 and 7 are screws (not shown) on the left and right sides of the side surfaces of the upper end portions of the column members 2 and 3 that are in contact with the end surface portions of the beam member 4, respectively. Fixed by.
The attachment of the retractable fitting 6 to the pillar members 2 and 3 and the beam member 4 and the attachment of the attachment fitting 7 to the pillar members 2 and 3 can of course be performed in the field. As a result, work efficiency at the site can be greatly improved.

  Next, as shown in FIG. 5, the left and right column members 2, 3 are arranged at substantially the same distance as the length of the beam member 4, and then the beam members 4 are arranged between the upper ends of the column members 2, 3, From the side surface of the column member 2 (and 3) facing the bolt holding portion 63 of the retractable metal fitting 6 fixed to the beam member 4 in advance, a relatively long mounting bolt 8 made of a seated bolt is connected to the column member 2 (and 3). , Through the inside of the bolt holding part 63 through a narrow notch, and tighten a nut (not shown) engaged with the tip of the mounting bolt 8 protruding from the bolt holding part 63, The portal ramen structure 1 shown in FIG. 6 is used.

  As shown in FIG. 7, the portal ramen structure 1 obtained in this way has the tip of the anchor bolt 9 planted so that the upper part projects in advance on the base 5 in the column member 2 (or 3). The bolt is held through the bolt holding portion 63 of the fixed retractable metal fitting 6, and a nut (not shown) is engaged and fixed at the tip.

  Next, an L-shaped or T-shaped fixing bracket 7 is brought into contact with the joint between the side surface portion where the lead-in metal fitting 6 does not exist and the foundation 5, and the column member 2 (and 3) and the foundation using bolts or the like. 5 is closely fixed.

  The fixing of the column member 2 (and 3) and the foundation 5 and the column member 2 (and 3) and the beam member 4 by the fixing bracket 7 is a shearing force acting on a moment resistance joint portion in a joint portion in the wooden frame structure. The tensile strength is borne by the retractable metal fitting 6, and the gate-type ramen structure 1 having high strength is obtained by adopting such a configuration.

In the above embodiment, the method for constructing the wooden frame structure by constructing the portal ramen structure 1 in advance using the portal ramen component has been described. While using each of the members to be constructed, a high-strength portal ramen structure 1 is constructed on the foundation 5 or on a base (not shown) attached to the foundation 5 using a known construction method in the field. Of course it is also possible.

It is a perspective view of the pillar member which constitutes the portal type ramen constituent member of this invention. It is a perspective view of the beam member which comprises the portal type | mold ramen structural member of this invention. It is a perspective view of the retraction metal fitting which constitutes the portal type ramen constituent member of this invention. It is a perspective view of the attachment metal fixture which comprises the portal type | mold ramen structural member of this invention. It is explanatory drawing which shows the coupling | bonding state of a column member and a beam member. It is a front view of the portal ramen structure concerning this invention. It is explanatory drawing which shows the state attached on the foundation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Portal type frame structure 2,3 Column member 4 Beam member 5 Foundation 6 Retraction metal fitting 7 Mounting metal fitting 8 Mounting bolt 9 Anchor bolt
23, 43 Notch

Claims (5)

It is for constructing a portal ramen structure consisting of a pair of column members arranged on the left and right sides with a required interval, and beam members in which the upper ends of these column members are connected to each other by a retractable fitting. There,
On the lower side of the rectangular plate body, a required length is left between the end surface and the bolt holding member is integrally fixed along the longitudinal direction, and is fixed to the entire surface of the rectangular plate body. Retractable metal fittings with bolt insertion holes,
There is a wide notch for embedding and fixing the retractable fitting, and a narrow notch for inserting the tip of the anchor bolt protruding on the foundation and / or base into the bolt holding member of the retractable fitting. , A pair of left and right column members respectively formed on the opposite side surfaces of the lower end,
Beams in which a wide notch portion in which the lead-in fitting is embedded and a narrow notch portion through which a mounting bolt is inserted into a bolt holding member of the lead-in fitting are formed on opposite side portions of both ends. Members,
It is composed of the column member and the beam member, and the mounting member for fixing the column member and the base, which are L-shaped or T-shaped in cross section and have bolt insertion holes in the horizontal portion and the rising portion, respectively. A portal ramen component characterized by the following. A bolt holding member is integrally fixed along the longitudinal direction in a wide notch formed on the opposite side surfaces of the lower end, and a fixing bolt insertion hole is formed on the entire surface of the rectangular plate. A pair of left and right column members in which the formed lead-in metal fittings are embedded and fixed, and are formed with narrow notches communicating to the notches to the end surfaces, and a wide width formed on the opposite side surfaces of both ends. The retraction metal fitting is embedded and fixed in the notch part, and the beam member is formed with a narrow notch part communicating with the notch part to the end surface,
A beam member is disposed at the upper end portion between the column members, and a mounting bolt is inserted from the side surface of each column member into the bolt holding member of the retracting bracket, and the mounting bolt protrudes from the bolt holding member. The column member and the beam member are integrally connected by engaging the nut,
A portal ramen structure characterized in that a joint portion between the column member and the beam member is integrally connected by an L-shaped or T-shaped mounting bracket. The retractable metal fitting is
A part of both sides of the lower part of the rectangular plate body is erected on the same surface side, and both ends of a bolt holding member having a U-shaped section are fixed integrally between the standing parts, and the rectangular plate body and the U-shaped section are fixed. 3. The portal ramen structure according to claim 2, wherein a cylindrical portion formed between the bolt holding members is a bolt insertion portion. The pair of left and right column members are
The lower end portion of the side surface portion other than the side surface provided with the retracting metal fitting has an L-shaped or T-shaped cross section, a horizontal portion has a through hole for inserting an anchor bolt, and a rising portion has a drift pin The gate type according to claim 2, further comprising a mounting bracket for fixing the foundation and / or the base, each of which is formed with a through hole for inserting a mounting bolt such as Ramen structure. The anchor bolt is
It is a high tension bolt, The portal type | mold ramen structure of Claim 4 characterized by the above-mentioned.