JPH07189347A - Joint for architecture and civil engineering structure - Google Patents

Abstract

PURPOSE:To simply and quickly carry out the joining work of a steel frame beam or the like. CONSTITUTION:A male joint member 10 having an engaging projecting stripe 12 stretching vertically at about right angles to a steel frame beam 30 is fixed to this beam 30. A female joint member 20 having an engaging recess 22 stretching vertically at about right angles to a steel frame beam 40 is fixed to this beam 40. The engaging projecting stripe 12 and the engaging recess 22 are mutually inserted and engaged to unite the male joint member 10 and the female joint member 20 in one body, and a fixing tool is inserted into the fixing tool fitting grooves of both the mutually overlapped members 10, 20 to prevent the vertical movement of both the members 10, 20. Thus the joining work of the steel frame beam can be very simply and quickly carried out to enable shortening the term of work.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint for construction / civil engineering structure, and particularly to a construction / joint suitable for connecting steel beams.
The present invention relates to a civil structure joint.

[0002]

2. Description of the Related Art Conventionally, in the case of joining a steel beam in a steel building such as a house, high-strength bolt joining is usually performed. In high-strength bolt joining, first, a beam having a plurality of bolt holes formed at an end thereof is applied with a cover plate similarly having a plurality of bolt holes formed therein. Next, with the ends of the beams to be joined butted together, align the multiple cover plate and the numerous bolt holes of the beam, insert the bolts into them, and screw the nuts onto these bolts. After finely adjusting, tighten the nut.

In this high-strength bolt connection, bolt holes are made in the beam and the cover plate, and in the unstable state where the ends of the beam are butted against each other, the plurality of cover plates and the many bolt holes of the beam are aligned with each other. It is necessary to insert the bolts into all of them, screw nuts to the bolts, finely adjust the positions, and then tighten all the nuts. For this reason, there is a problem that the beam joining work not only takes a lot of time and labor but also takes a long time.

In order to solve this problem, the present inventor has
We devised a joint for architectural / civil engineering structures that has male and female engaging parts at the connection point, and applied for a patent (Japanese Patent Application No. 4-128710).
No.) 11 and 12 show Japanese Patent Application No. 4-1278.
1 shows an example of a joint for architectural / civil engineering structure disclosed in No. 10, FIG. 11 (a) is a plan view of a male joint member, FIG.
1 (b) is its front view, FIG. 11 (c) is its side view, FIG. 12 (a) is a plan view of the female joint member, FIG. 12 (b) is its front view, and FIG. 12 (c) is its side view. It is a figure.

In FIG. 11, a male joint member 110 comprises two ridges 1 extending vertically on one surface of a rectangular plate-shaped main body 111.
It has twelve. The two ridges 112 are parallel to each other and are formed in a taper shape whose width gradually decreases from the upper side to the lower side.

[0006] In the vicinity of the center of each of the ridges 112,
A key hole 113 having an elliptical cross section is formed. The key hole 113 penetrates in the thickness direction of the male joint member 110. In FIG. 12, the female joint member 120 is provided with two concave grooves 122 extending vertically on one surface of a rectangular plate-shaped main body 121. The both concave grooves 122 are parallel to each other, and
It is formed in a tapered shape in which the width gradually decreases from the upper side to the lower side. The size and the inclination of the taper of the both concave grooves 122 are the same as those of the two convex shapes 112 of the male joint member 110, so that each convex shape 112 is accurately engaged with each engaging concave groove 22. Has become.

In the vicinity of the center of the biconcave groove 122,
An elliptical key hole 123 whose cross-sectional shape matches the key hole 113 of the male joint member 110 is formed. Key hole 123
Penetrates in the thickness direction of the female joint member 120. Into these key holes 113 and 123, columnar keys having an elliptical cross section similar to the cross sectional shape of the key holes 113 and 123 are inserted and fitted.

A conventional male joint member 1 having the above-mentioned structure
10 and the female joint member 120 are used as follows.

FIG. 13 is a perspective view of an essential part in a state where the male joint member 120 is inserted into and engaged with the female joint member 110. The male joint member 1 is welded to one end of the H-shaped steel beam 130.
Join 10 The beam 13 is provided on the rear surface of the male joint member 110.
The end surfaces of the upper flange 131, the web 132, and the lower flange 133 of No. 0 are contacted and joined. On the other hand, the female joint member 120 is joined to one end of the H-shaped short beam 140 fixed to the column 150 by welding. The end surfaces of the upper flange 141, the web 142, and the lower flange 143 of the beam 140 are in contact with and engaged with the rear surface of the female joint member 120.

The pillar 150 is composed of a square pipe 151 made of steel, and the square pipe 151 is cut at the joint portion of the beam 140 and a reinforcing plate 152 is interposed between the square pipes 151 and welded. The upper and lower flanges 141 and 143 of the beam 140 are welded to the reinforcing plate 152, and the web 142 is welded to the square pipe 151. ◆ The pillar 150 is the female joint member 12
After welding 0, it is erected almost vertically.

Next, the female joint member 120 oriented vertically.
From above, the beam 130 to which the male joint member 110 is fixed is lowered while keeping the horizontal posture, and the two ridges 112 are inserted into and engaged with the two concave grooves 122, respectively.

In this state, the key hole 113 of the male joint member 110 and the key hole 123 of the female joint member 120 overlap each other, so that a key is inserted and fitted into both the key holes 113 and 123. This completes the work of joining the beams 130 and 140.

It should be noted that Japanese Patent Application No. 4-127810 also discloses a joint that uses bolts and nuts instead of a key, or that jointly uses a key and bolts and nuts.

[0014]

[Problems to be Solved by the Invention] Japanese Patent Application No. 4-12781
In the joint for building and civil engineering structures disclosed in No. 0, the work of key insertion / fitting or bolt insertion and nut screwing / tightening is performed in the key hole or bolt hole of the male joint member and the female joint member. There is a need. As is clear from FIG. 13, this work must be performed in a narrow space between the upper and lower flanges 131 and 132 of the H-shaped steel beam 130, and is not necessarily easy.

Further, when the key is used, the key and the key hole need to be precisely machined, and when the bolt and the nut are used, the work of screwing and tightening the nut after inserting the bolt is required.

The present invention has been made in view of the above circumstances, and an object thereof is to join a member such as a beam to a joint for construction / civil engineering structure disclosed in Japanese Patent Application No. 4-127810. It is to provide a joint for construction and civil engineering structures that can be performed more easily and quickly at a lower cost.

[0017]

[Means for Solving the Problems]

(1) A construction / civil engineering structure joint according to a first aspect of the present invention is a construction / civil engineering structural joint that joins a first member and a second member, and is substantially the same as the first member. A male joint member having a right-angled engaging projection and fixed to the first member; the male joint member having a first fixture engaging groove on a side surface thereof; A female joint member which is substantially perpendicular to the second member and has an engaging groove which is engageable with the engaging ridge, and which is fixed to the second member; A second fixture engaging groove, and a fixture for preventing the male joint member and the female joint member from moving in a direction along the engaging ridge and the engaging groove. , The male fitting member in which the fixing member engages the engaging ridge and the engaging groove with each other, The side surface of the female joint member is engaged with the first fixture engaging groove and the second fixture engaging groove.

Preferably, each of the first and second fixing tool engaging grooves has a substantially semicircular shape, and when the engaging ridges and the engaging concave grooves are engaged with each other, one circular shape is formed. The fixing member is a cylindrical body that fits in the circular shape.

Preferably, the first and second fixture engaging grooves are each substantially semi-rectangular, and one rectangle is formed when the engaging ridges and the engaging concave grooves are engaged with each other. The fixing tool is a plate-like body that fits into the rectangle.

Preferably, the fixing member has a U-shaped cross section, and both ends thereof can be engaged with the male joint member and the female joint member, respectively.

[0021] Preferably, the fixture has bulged portions at both ends thereof, and the bulged portions can be engaged with the male joint member and the female joint member, respectively.

The engaging ridges and groove may be formed integrally with the male joint member or the female joint member by machining or casting, or the member forming the ridge or groove may be formed in the main body. They may be formed separately from each other and then fixed to each other with bolts or the like.

The male joint member and the female joint member are
It is sufficient to attach one to each one end of the two members to be joined, but two or more may be attached.

(2) A construction / civil engineering structure joint according to a second aspect of the present invention is a construction / civil engineering structural joint for joining a first member and a second member to each other. A first joint member fixed to the first member, which has an engaging projection and an engaging notch on the side surface that are substantially perpendicular to each other;
A second joint member fixed to the second member, which has an engaging projection and an engaging notch on the side surface that are substantially perpendicular to the second member, the first joint member, and the second member.
When the joint member and the joint member are relatively moved with their facing surfaces facing each other, the engagement protrusion and the engagement notch of the first joint member respectively correspond to the engagement notch and the engagement protrusion of the second joint member. It engages and it prevents relative movement of the 1st joint member and the 2nd joint member, It is characterized by things.

Since it is not necessary to prepare male and female joint members and fixtures, the joining work can be performed more easily and quickly than in the case of the first aspect.

(3) The present invention can be applied to any place where two members are joined to each other in a building structure and a civil engineering structure. For example, a civil structure such as a building structure other than a steel frame structure or an underground mall or its road can be applied. It can also be applied to the structure.

[0027]

In the joint for construction / civil engineering structure according to the first aspect of the present invention, the engaging ridge of the male joint member fixed to the first member and the engaging ridge of the female joint member fixed to the second member. After engaging the groove with each other, by engaging the fixing tool with the first and second engaging grooves provided in the male joint member and the female joint member, relative movement of both joint members is prevented. . Thus, the joining of both members is completed. Since the first and second engagement grooves are provided on the side surfaces of the male joint member and the female joint member, the engagement of the fixture is easier than in the conventional case. For this reason, the work of joining members such as steel beams can be performed more simply and quickly than in the past.

Further, since the first and second engagement grooves and the fixture are easy to process, the manufacturing cost can be reduced.

In the joint for construction / civil engineering structure according to the second aspect of the present invention, the engaging protrusion and the engaging notch of the first joint member are respectively engaged with the engaging notch and the engaging protrusion of the second joint member. Then, relative movement of the first and second joint members is prevented. In addition, the engagement protrusion and the engagement notch can be easily manufactured. Therefore, the same effect as in the case of the first aspect can be obtained.

[0030]

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Here, an embodiment in which the present invention is applied as a joint for a steel frame structure will be described, but the present invention is not limited thereto.

(First Embodiment) FIGS. 2 and 3 show a first embodiment of the joint for building / civil engineering structure according to the present invention.
2A is a plan view of the male joint member, FIG. 2B is a front view thereof, FIG. 2C is a side view thereof, FIG. 3A is a plan view of the female joint member, and FIG. ) Is the front view, and FIG.3 (c) is the side view.

In FIG. 2, the male joint member 10 is provided with an engaging ridge 12 extending vertically on one surface of a rectangular plate-shaped main body 11. The engagement ridge 12 is formed in a tapered shape whose width gradually decreases from the upper side to the lower side. The horizontal cross section of the engaging projection 12 has the same isosceles trapezoid (similar shape) except that the upper end and the lower end have different sizes. The height of the convex 12 is constant over its entire length, and the thickness of the main body 11 is also constant over its entire length.

Semi-circular fixture fitting grooves 13 are formed on both side surfaces of the male joint member 10 for inserting a ring 4 described later. The fitting groove 13 is formed perpendicularly to the thickness direction of the male joint member 10 with a depth substantially the same as the thickness of the ring 4 and a width substantially the same as the ring 4. The depth of the fitting groove 13 is
It is constant over its entire length. In addition, the notch 14
It is formed by exposing a part of the semicircular fitting groove 13. The notch 14 has an advantage of facilitating the work of fitting the ring 4.

In FIG. 3, the female joint member 20 is provided with an engaging groove 22 extending vertically on one surface of a rectangular plate-shaped main body 21. The engaging groove 22 is formed in a tapered shape whose width gradually decreases from the upper side to the lower side. The horizontal cross section of the engaging groove 22 has the same isosceles trapezoidal shape (similar shape) except that the upper end and the lower end have different sizes. Engagement groove 2
The depth of 2 is constant over its entire length. The size and the inclination of the taper of the engaging groove 22 are different from each other in the male joint member 10.
The convex shape 12 coincides with that of the convex shape 12 so that the convex shape 12 is accurately engaged with the engaging groove 22.

Semi-circular fixture fitting grooves 23 are formed on both side surfaces of the female joint member 20 for inserting a ring 4 described later. The fitting groove 23 is formed perpendicularly to the thickness direction of the female joint member 20 with a depth substantially the same as the thickness of the ring 4 and a width substantially the same as the ring 4. The depth of the fitting groove 23 is constant over its entire length. The fitting groove 23 is
When the male joint member 10 and the female joint member 20 are engaged with each other, the ring 4 is formed to coincide with the semicircular fitting groove 13 so that the ring 4 is fitted accurately. In addition, the cutout portion 24 is formed by exposing a part of the semicircular fitting groove 23. The notch 24 has an advantage of facilitating the work of fitting the fitting ring 4.

FIG. 4A shows the male joint member 10 of the first embodiment.
FIG. 3B is a plan view showing a state in which the female joint member 20 and the female joint member 20 are engaged, and FIG. The ring 4, which is a fixture that fits into the fitting grooves 13 and 23, is a cylindrical body having the same circular upper and lower ends as the shape formed by matching the semicircular fitting grooves 13 and 23, When fitted, they are fitted into the fitting grooves 13 and 23. The thickness of the ring 4 is equal to the depth of the fitting grooves 13 and 23. When the fitting grooves 13 and 23 are aligned and the ring 4 is fitted and fitted therein, the male joint member 10 and the female joint member 20 are prevented from moving in the direction along the convex 12 and the engaging groove 22. can do.

The male joint member 10 and the female joint member 20 have substantially the same size, and the engaging projection 12 and the engaging groove 22 can be engaged with their front faces (opposing faces) facing each other. Is. While maintaining the state shown in FIGS. 2 and 3, the male joint member 10 is lowered from above the female joint member 20,
Alternatively, when the female joint member 20 is lowered from above the male joint member 10 and the engaging convex strip 12 is inserted into the engaging concave groove 22, a gap between the engaging convex strip 12 and the engaging concave groove 22 is obtained. Is initially large, but gradually becomes smaller and eventually becomes zero. In this last state, almost the entire outer peripheral surface of the engaging projection 12 comes into contact with the inner peripheral surface of the engaging groove 22, and no further movement is possible. In this way, the stop position is automatically positioned, and the male joint member 10 and the female joint member 20 are
Are joined and integrated as they are. In this last state, the male joint member 10 and the female joint member 20 substantially exactly overlap.

Since the engaging ridge 12 and the engaging groove 22 have the cross-sectional shapes as described above, they can be easily engaged by moving the both 12 and 22 in parallel with each other. When both 12 and 22 are engaged, both 12 and 22 are firmly joined. Further, the engagement projection 12 can be easily inserted into the engagement groove 22.

In the joined and integrated state, the fitting groove 13 of the male joint member 10 and the fitting groove 23 of the female joint member 20 are exactly aligned with each other to form one circle. So ring 4
Is fitted into the fitting grooves 13 and 23, the ring 4 fits into both fitting grooves 13 and 23, and the male joint member 10 and the female joint member 20 are fixed as they are.

In the first embodiment, the engaging projection 12 and the engaging groove 22 are tapered, and when integrated, the outer peripheral surface of the engaging projection 12 and the inner peripheral surface of the engaging groove 22 are integrated. Are contacted with each other, the weight of the beams 30 and 40 and the load due to the external force acting on the beams are supported by the peripheral portions of the engaging ridges 12 and the engaging groove 22 and the ring 4.
Therefore, to withstand the weight and load,
The shapes and dimensions of the engaging ridges 12, the engaging groove 22 and the ring 4, and the material thereof are set.

The steel frame to be joined is the male joint member 10
And the surface (rear surface) of the female joint member 20 on which the notches 14 and 24 are formed is joined by welding.

The materials of the male joint member 10 and the female joint member 20 are, for example, SS400 (JIS G 3101 rolled steel for general structure), SM490A (JIS G 3106).
A rolled steel material for welded structure) is preferable, but other steel materials and materials other than steel materials can be appropriately used according to the required strength.

The engaging projection 12 of the male joint member 10 may be integrally formed by cutting or casting a plate material, or a bar material may be welded to the plate material. The engaging groove 22 of the female joint member 20 may be formed by cutting or casting a plate material, or by welding a bar material or a plate material forming a portion other than the engaging groove 22 to the plate material. May be.

Next, a method of using the male joint member 10 and the female joint member 20 of the first embodiment having the above-mentioned structure will be described.

As shown in FIG. 1, first, an H-shaped steel beam 30 is used.
The male joint member 10 is joined to one end of each by welding. That is, the engaging projection 12 is oriented in the vertical direction, and the male joint member 10 is arranged so that the wide portion of the engaging projection 12 is positioned higher.
And the end of the beam 30 is provided with the notch 14 of the male joint member 10.
It abuts on the surface on which is formed and is welded by an appropriate method. A surface having an H-shaped convex portion formed by providing the cutout portion 14 of the male joint member 10, an upper flange 31 of the beam 30,
The H-shaped end faces including the web 32 and the lower flange 33 are in contact with each other and joined together. The beam 30 and the engaging ridge 12 should be at a right angle as accurately as possible.

Although the beam 30 is actually longer, it is drawn short for convenience of explanation. This also applies to other figures.

On the other hand, the female joint member 20 is joined to one end of the H-shaped short beam 40 fixed to the column 70 by welding.
That is, the engaging groove 22 is oriented in the vertical direction, the female joint member 20 is arranged such that the wide portion of the engaging groove 22 is positioned higher, and the end portion of the beam 40 is provided with the cutout portion 24 of the female joint member 20. It abuts on the surface on which is formed and is welded by an appropriate method. The surface having the H-shaped convex portion formed by providing the cutout portion 24 of the female joint member 20 and the H-shaped end surface composed of the upper flange 41, the web 42 and the lower flange 43 of the beam 40 are aligned with each other. Contacted and joined. Beam 40
The engaging groove 22 and the engaging groove 22 should be at right angles as accurately as possible.

The pillar 70 is composed of a square pipe 71 made of steel. At the joint portion of the beam 40, the square pipe 71 is cut, and a reinforcing plate 72 is interposed therebetween and welded. Beam 4
The upper and lower flanges 41 and 43 of No. 0 are welded to the reinforcing plate 72, and the web 42 is welded to the square pipe 51.

After welding the female joint member 20, the column 50 is erected substantially vertically. However, after the female fitting member 2 is erected,
0 may be welded.

Next, the beam 30 to which the male joint member 10 is fixed is lowered from above the female joint member 20 which is oriented in the vertical direction while keeping the horizontal posture, so that the engaging projection 12 is formed into the engaging groove 2.
Insert into 2 and engage. Then, the beam 30 is lowered as it is until the outer peripheral surface of the engaging projection 12 comes into contact with the inner peripheral surface of the engaging concave groove 22 and is automatically positioned. Then,
The male joint member 10 and the female joint member 20 are joined and integrated in such a state that they are overlapped with each other. In this way, the joint 1 of the present invention including the male joint member 10 and the female joint member 20 is joined.

In this state, the fitting groove 13 of the male joint member 10 and the fitting groove 23 of the female joint member 20 overlap each other, so that the ring 4 is inserted and fitted in both fitting grooves 13, 23. At this time, it is possible to easily visually inspect the matching state of the fitting grooves 13 and 23 from the outside. Both members 1
Fine adjustment of the engagement state of 0 and 20 can be easily performed.

In this way, both members 10 and 20 are firmly fixed and there is no danger of coming off. This completes the work of joining the beams 30 and 40.

In the first embodiment having the above construction, the male joint member 10 and the female joint member 20 are simply provided with the fitting grooves 13 and 23 for fitting the rings 4, respectively. As described above, it is possible to easily form the male joint member 10 and the female joint member 20 without the trouble of forming the key hole that requires precision.

Further, the male joint member 10 and the female joint member 2
Since the ring 4 is attached to the 0 by simply inserting the ring 4 into the fitting grooves 13 and 23, the nut is tightened after the bolt is screwed, as compared with the case where the conventional bolt is used. That work is eliminated, and the joining work can be performed quickly. Therefore, the work of joining the beams 30 and 40 can be performed easily and quickly.

Furthermore, the beam 30 is attached to the two columns 50 that are erected.
When connecting 40, the engaging ridge 12 and the engaging groove 2
The engagement of the two has the advantage that the orientation of the temporarily fastened post 50 about the vertical axis is automatically adjusted by the joint 1.

(Second Embodiment) FIG. 5 is a plan view of a joint for construction / civil engineering structure according to a second embodiment of the present invention.

Construction / civil engineering structure joint 1 of the second embodiment
Has the same structure as that of the first embodiment except that the two rings 4a are used for joining, whereas the first embodiment uses the one ring 4 for joining. As you can see in Figure 5,
The male joint member 10 has two semicircular fitting grooves 13a. The female joint member 20 has two semicircular fitting grooves 23a.

In the second embodiment, the fitting groove 13a of the male joint member 10 and the female joint member 2 in the joined and integrated state.
Since the fitting grooves 23a of 0 form a circle by exactly matching each other, the male joint member 10 and the female joint member 20 remain as they are if the ring 4a is fitted, fitted and fitted into the fitting grooves 13a and 23a. It is fixed in the state of.

Since the second embodiment is fixed by using two rings, there is an advantage that the yield strength is increased as compared with the first embodiment.

(Third Embodiment) FIG. 6 shows the construction of the present invention.
The 3rd Example of the joint for civil engineering structures is shown, and Drawing 6 (a)
Is a plan view of the joint, FIG. 6 (b) is a front view of the joining plate, FIG. 6 (c) is a side view of the joining plate, and FIG. 7 is a perspective view of the joint.

Construction / civil engineering structure joint 1 of the third embodiment
Has the same configuration as that of the first embodiment except that it is joined by the joining plate member 5 instead of being joined by the ring 4 in the first embodiment.

The male joint member 10 has a rectangular fitting groove 13 for fitting.
have c. The female joint member 20 has a rectangular fitting groove 23c. The plate-shaped body 5 is composed of a main body 51 and projections 52a and 52b provided at both ends thereof at right angles. These protrusions 52a and 52b have a rectangular cross section. The protrusion 52a is locked to the notch 14 of the male joint member 10, and the protrusion 52b is locked to the notch 24 of the female joint member 20. By providing the protrusions 52a and 52b,
The male joint member 10 and the female joint member 20 are more firmly fixed.

In the third embodiment, the fitting groove 13c of the male joint member 10 and the female joint member 2 in the joined and integrated state.
Since the fitting groove 23c of 0 forms a rectangle by exactly matching, if the plate 5 is fitted and fitted in the fitting grooves 13c and 23c, the male joint member 10 and the female joint member 20 are fixed as they are. To be done.

(Fourth Embodiment) FIG. 8 shows the construction of the present invention.
The 3rd Example of the joint for civil engineering structures is shown, and Drawing 8 (a)
Is a plan view of the joint, and FIG. 8B is a perspective view thereof.

Construction / Civil Engineering Structure Joint 1 of the Fourth Embodiment
Is joined by the joining plate 5 having the rectangular projections 52a and 52b in the third embodiment, but is joined by the joining plate 8 having the semicircular projections 82. It has the same configuration as that of the first embodiment.

The plate-like body 8 is composed of a main body 81 and projections 82a and 82b provided at both ends thereof. These protrusions 82a and 82b have a semicircular shape. Protrusion 82a
Is locked to the notch 14 and the main body 11 of the male joint member 10, and the protrusion 82b is locked to the notch 24 and the main body 21 of the female joint member 20. By providing the protrusions 82a and 82b, the male joint member 10 and the female joint member 20 are more firmly fixed. In the fourth embodiment, in the joined and integrated state, the fitting groove 13 of the male joint member 10 and the fitting groove 23 of the female joint member 20 are exactly aligned to form a rectangle, so that the plate 8 is fitted. The male joint member 10 and the female joint member 20 are fixed as they are by fitting / fitting into the joint grooves 13c and 23c.

(Fifth Embodiment) FIG. 9 shows a fifth embodiment. The fifth embodiment corresponds to the male joint member 10 of the first embodiment (see FIG. 2) directly fixed to the column 70.

As shown in FIG. 9, the body 11 of the male joint member 10 is integrated with the reinforcing plate 72 and directly fixed to the column 70. That is, the main body of the male joint member 70 is the pillar 70.
Embedded therein, the convex portion 12 has a shape protruding from the column 70.

As described above, the joint 1 of the present invention can be used not only for fixing the female joint member 20 to the short beam 40 fixed to the column 70, but also for directly fixing it to the column 70. The male joint member 10 may be directly fixed to the square pipe 71 instead of the reinforcing plate 72.

In the above-mentioned first to fifth embodiments, the male and female joint members are joined together by using the ring and the plate-shaped body, but the male joint member 10 and the female joint member 20 are provided with the engaging projections 12. And, if it is a fixture that prevents movement in the direction along the engaging groove 22, the ring 4, the joining plate-like bodies 5, 8
Also, the number and shape of the fitting grooves 13 and 23 can be arbitrarily changed.

(Sixth Embodiment) FIG. 10 shows a sixth embodiment of the joint for building / civil engineering structure according to the present invention.
10A is a plan view of the joint, FIG. 10B is a side view thereof, and FIG. 10C is a perspective view thereof.

Construction / civil engineering structure joint 1 of the sixth embodiment
Is to engage the joint members 61a and 61b having the same structure without using the fixtures as shown in the first to fifth embodiments.

In FIG. 10A, the joint member 61a
Has a notch 63a for engagement at both corners at the upper end of a rectangular plate-shaped body 61a, and projections 62a for engagement at both corners at the lower end. The vertical cross section of the protrusion 62a has a trapezoidal shape with an acute angle, as can be understood from FIG. The height and thickness of the engagement protrusion 62a are constant over the entire length thereof. The engaging notch 63a has the same shape with the engaging projection 62a turned upside down. The joint member 60b is
It has the same structure as the joint member 60a.

As shown in FIGS. 2B and 2C, the surfaces of the joint member 60a and the joint member 60b on which the engagement protrusions are formed are opposed to each other, and the engagement protrusions 62a of the joint member 60a and the joints are joined together. It is possible to engage the engagement notch 63b of the member 60b, and the engagement notch 63a of the joint member 60a with the engagement protrusion 62b of the joint member 60b.

The joint member 60a is lowered from above the joint member 60b, or the joint member 60b is moved to the joint member 60a.
The engaging projection 6 of the joint member 60a.
2a is inserted into the engagement notch 63b of the joint member 60b, and the engagement protrusion 62b of the joint member 60b is inserted into the engagement notch 63a of the joint member 60a. In this state, almost the entire outer peripheral surfaces of the engaging protrusions 62a and 62b contact the inner peripheral surfaces of the engaging notches 63a and 63b, and further movement is impossible.

Thus, the stop position is automatically positioned, and the joint member 60a and the joint member 60b are joined and integrated as they are. In this state, the joint member 60a and the joint member 60b almost exactly overlap each other.

Since the projection 62 and the notch 63 have the above-described cross-sectional shapes, they can be easily engaged by moving the two 62, 63 relative to each other in parallel.
Moreover, when the two 62, 63 are engaged, the two 62, 6
3 is firmly joined. In addition, the notch 6 of the protrusion 62
3 is easy to insert.

Similarly to the first embodiment, in the sixth embodiment, the projection 6 is provided so that the joint for building / civil engineering structure can withstand the weight of the beams 30 and 40 and the load due to the external force acting on them.
2 and the shape and size of the notch 63, and the material are set. The shape of the protrusion 62 can be changed as appropriate.

The shapes and materials of the joint members 10 and 20 of the present invention are not particularly limited as long as they have desired rigidity.

The joint of the present invention is preferably applied to the beam joint illustrated here, but may be applied to other places (for example, bridges and elevated roads) as long as it is a place where steel frames are joined. it can. Further, as long as it joins two members, it can be applied to a building structure other than a building / civil engineering structure, and a civil engineering structure such as an underground mall or its road.

[0081]

As described above, the construction of the present invention
According to the joint for civil engineering structure, the work of joining members such as beams
Simpler and faster than before. Therefore, the construction period can be shortened. In addition, it can be manufactured at low cost.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part of a state in which a male joint member is inserted into and engaged with a female joint member of a first embodiment of a joint for building / civil engineering structure according to the present invention.

FIG. 2 (a) is a plan view of a male joint member of the first embodiment of the joint for building / civil engineering structure according to the present invention, and FIG. 2 (b) is a front view thereof.
(C) is a side view.

FIG. 3 (a) is a plan view of a female joint member of the first embodiment of the joint for building / civil engineering structure according to the present invention, and FIG. 3 (b) is a front view thereof.
(C) is a side view.

FIG. 4A is a plan view showing a state in which a male joint member and a female joint member of the first embodiment are engaged, and FIG. 4B is a perspective view of a main part in a state where a ring is inserted and engaged. Is.

FIG. 5 is a plan view showing a state where the male joint member and the female joint member of the second embodiment of the joint for building / civil engineering structure of the present invention are engaged.

6A is a plan view showing a state in which a male joint member and a female joint member of the third embodiment are engaged, FIG. 6B is a front view of a joining plate, and FIG. 6C is a joining plate. It is a side view.

FIG. 7 is a perspective view of relevant parts showing a state in which a male joint member and a female joint member of the third embodiment are engaged with each other.

FIG. 8A is a plan view showing a state in which a male joint member and a female joint member of the fourth embodiment are engaged, and FIG. 8B is a perspective view thereof.

FIG. 9 is a perspective view of an essential part of a state where a male joint member is inserted into and engaged with a female joint member of a fifth embodiment of the building / civil structure joint of the present invention.

FIG. 10 (a) is a plan view of a joint member of a sixth embodiment of a joint for building / civil engineering structure of the present invention, (b) is a front view of each joint member, and (c) is a combination of both joint members. It is a perspective view of the combined state.

FIG. 11 shows a conventional joint for construction / civil engineering structure (a).
Is a plan view of the male joint member, (b) is a front view thereof, and (c) is a side view thereof.

FIG. 12 shows a conventional joint for construction / civil engineering structure (a).
Is a plan view of the female joint member, (b) is a front view thereof, and (c) is a side view thereof.

FIG. 13 is a perspective view of an essential part of a state in which a male joint member is inserted into and engaged with a female joint member of a conventional construction / civil structure joint.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Joint for building / civil engineering structure 4 Ring 10 Male joint member 11 Main body 12 Envelope for engagement 13, 13a, 13c Fixing fitting groove 14, 14a, 14c Notch 20 Female joint member 21 Main body 22 Engaging groove 23, 23a, 23c Fixing fitting groove 24, 24a, 24c Notch 30 Beam 31 Upper flange 32 Web 33 Lower flange 40 Beam 41 Upper flange 42 Web 43 Lower flange 70 Column 71 Pipe 72 Reinforcement plate 5, Joining plate 51 Main body 52a , 52b Protrusion 8, Bonding plate 81 Main body 82a, 82b Protrusion 60, 60a, 60b Joint member 61, 61a, 61b Main body 62, 62a, 62b Engagement protrusion 63, 63a, 63b Engagement notch

Claims (6)

[Claims] 1. A joint for architectural / civil engineering structure, which joins a first member and a second member, wherein the first member has an engaging ridge substantially perpendicular to the first member. A male joint member fixed to the member; the male joint member having a first fixture engaging groove on its side surface; A female joint member fixed to the second member, having an engaging groove for engagement with the ridge, and the female joint member having a second fastener engaging groove on its side surface. A fixture for preventing the male joint member and the female joint member from moving in a direction along the engaging ridge and the engaging groove, and the fixture includes the engaging ridge and the engaging member. In the side surfaces of the male joint member and the female joint member in which the fitting groove is engaged with each other, 1. A fitting for construction / civil engineering structure, characterized in that it is engaged with one fixing tool engaging groove and the second fixing tool engaging groove. 2. The first and second fixture engaging grooves each have a substantially semi-circular shape, and when the engaging ridges and the engaging concave grooves are engaged with each other, a single circle is formed. The joint for building / civil engineering structure according to claim 1, wherein the fixture is a cylindrical body that fits in the circular shape. 3. The first and second fixture engaging grooves each have a substantially semi-rectangular shape, and one rectangle is formed when the engaging ridges and the engaging concave grooves are engaged with each other. The joint for building / civil engineering structure according to claim 1, wherein the fixture is a plate-like body that fits into the rectangle. 4. The joint for building / civil engineering structure according to claim 3, wherein the fixture has a U-shaped cross section, and both ends thereof can be engaged with the male joint member and the female joint member, respectively. 5. The construction / civil engineering according to claim 3, wherein bulges are provided at both ends of the fixture, and the bulges can be locked to the male joint member and the female joint member, respectively. Structural joint. 6. A joint for construction / civil engineering structure, which joins a first member and a second member, and has an engaging projection and an engaging notch on the side surface that are substantially perpendicular to the first member. , A first joint member fixed to the first member, and an engagement protrusion and an engagement notch which are substantially perpendicular to the second member on a side surface, and are fixed to the second member. When the second joint member and the first joint member and the second joint member are relatively moved with their facing surfaces facing each other, the engaging protrusion and the engaging notch of the first joint member. Respectively engage with the engaging notches and the engaging projections of the second joint member to prevent relative movement of the first joint member and the second joint member. A characteristic joint for construction and civil engineering structures.