JP3908105B2 - Connection structure of structural members - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a connection structure of structural members implemented in a connection part between structures such as buildings, a connection part between a building and an outdoor structure, and the like.
[0002]
[Prior art]
For example, when connecting buildings to each other on the underground floor of a nuclear power plant, various functions are required for the connection part. Examples of the required functions include an outer wall that prevents intrusion water from the ground and underground outer walls. Waterproof requirements, air tightness requirements to limit the inflow and outflow of air into and out of buildings from radiation management and air conditioning, external leakage prevention requirements to prevent external leakage of water generated in the management area of buildings, behavior during earthquakes However, there is a function maintenance request at the time of an earthquake that maintains the above three requirements.
[0003]
Conventionally, there is an expansion joint structure as a connection structure that satisfies such a required function. As this expansion joint structure, for example, there is the one shown in FIG. 1 shows structural members, such as a slab or an outer wall, and in the connection part of this structural member 1, the foaming polystyrene board is filled as the cushioning material 2 in the clearance gap formed in the joint direction between the structural members 1 and 1, An elongated plate-like copper plate 3 having a center formed in a V-shaped groove 3a along the joint direction is attached to the outside of the structural member 1. In this case, it arrange | positions so that the groove 3a may be inserted in the clearance gap between the structural members 1 and 1. As shown in FIG.
[0004]
A waterproof layer 4 is provided on the outside of the copper plate 3 corresponding to the structural members 1 and 1 and on the outside of the structural members 1 and 1. 4a in the figure indicates an additional portion of the waterproof layer 4 disposed over the entire surface outside the copper plate 3.
[0005]
A waterproof protective plate 5 made of a foamed polyethylene plate is placed on the outer side of the waterproof layer 4, and a cushion material 6 made of a foamed polyethylene plate is placed on the outer side of the copper plate 3 with a mounting range width of the copper plate 3. A protective member 7 for the connecting portion is attached so as to straddle between the members 1 and 1.
[0006]
In the figure, reference numeral 25 denotes a vulcanized rubber water stop plate installed between the structural members 1 and 1 at a substantially central position between the outer side and the inner side of the structural member 1 through the gap between the structural members 1 and 1.
[0007]
At the connecting portion on the inner side of the structural members 1, 1, an angled mounting metal 8 made of a metal such as stainless steel is disposed over the entire circumference at the joint end, and a cap nut 9 embedded in the concrete of the structural member 1 is embedded. The mounting bracket 8 is fixed by welding, and a water stop plate 26 made of synthetic rubber is disposed outside the mounting bracket 8 over the structural members 1 and 1 over the entire circumference of the connection portion, The water stop plate 26 is fixed to the mounting hardware 8 with the tightening nut 28.
[0008]
In the illustrated example, the water stop plate 26 has a continuous U-shaped waveform as a structure having water pressure resistance and flexibility.
[0009]
[Problems to be solved by the invention]
As described above, the connection structure of the structural members is required to have a pressure resistance function and a water stop function, and in particular, a water stop plate 26 made of synthetic rubber is conventionally molded as a flexible part at the inner connection portion. Using the product, the water stop plate 26 is provided with a pressure resistance function and a water stop function. The water stop plate 26 is originally used as a flexible joint for construction of civil engineering such as joint grooves, roads, and tunnels. However, the synthetic rubber is provided with a pressure resistance function and a water stop function at the same time. Since it is a specially shaped synthetic rubber molded product, it is very expensive in terms of cost.
[0010]
For this reason, for example, on the basement floor of a building such as a nuclear power plant, if it is intended to use a water stop plate made of synthetic rubber as described above at a location over a very long distance, such as a connection part between buildings, it is costly. The problem becomes even bigger.
[0011]
The object of the present invention is to eliminate the inconvenience of the conventional example, and has both a pressure resistance function and a water stop function at a connection portion over a very long distance such as a connection portion between buildings in a basement floor of a building such as a nuclear power plant. Even when a joint member is provided, it is possible to reduce the cost and to provide a versatile structural member connection structure.
[0012]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a structural member connection structure in which structural members such as wall members are connected by an expansion joint structure, wherein a waterproof layer is provided on the inner side, and flexibility is provided along the length direction. And having the same cross-sectional shape, a long and standard size standard plate, a corner plate bent in the middle of placement at the corner, and a short joint waterproofing material placed at the connecting portion of the standard plate and corner plate Various metal plates composed of a combination of a receiving plate and a short joint cover plate are attached to the connection portion, and the waterproof layer is formed from the front end portion in the length direction, which is the direction in which the standard plate and the corner plate extend. Protrude appropriately long, and this protruding part is a metal plate such as other standard plate or corner plate. The joint waterproof material receiving plate is fixed to the connection part as a joint part by abutting with the projecting part from the gate, and the joint part which is the projecting part of the waterproof layer overlaps with one end of the joint waterproof material plate. Place the corner plate or standard plate, place the standard plate or corner plate so that the joint that is the protruding part of the waterproof layer overlaps the other end of the same joint waterproof material plate, and protrude from the corner plate or standard plate side And the joint protruding from the side of the standard plate or corner plate are joined together and covered on the end of the standard plate or corner plate and the corner plate or standard plate so as to cover this joint Cover the joint cover plate and attach the joint cover plate. It is an Abstract that connects the standard plate or corner plate and the corner plate or standard plate via the door.
[0013]
According to the first aspect of the present invention, by connecting the structural members with a flexible metal plate, the necessary proof stress can be sufficiently secured, and a commercially available product can be adopted for the metal plate. Can be installed at low cost.
[0014]
The waterproof layer provided on the inside of the metal plate can satisfy the water stop function, and this waterproof layer can also be constructed at low cost by using a commercially available product.
[0015]
By projecting the end portion of the waterproof layer from the metal plate, the waterproof function at the connection end portion between the metal plates can be further ensured.
[0016]
The metal plate has the same cross-sectional shape and is a long and standard size standard plate, a corner plate that is bent in the middle of placement at the corner, and a short joint waterproof material holder that is placed at the connecting portion of the standard plate and corner plate. Various types of the above-mentioned types are prepared so as to be composed of a combination of a plate and a short joint cover plate, and by combining these, it is possible to flexibly cope with connecting parts of any shape, and several kinds of metals in advance Since it is sufficient to make the plate easy, it can be constructed at low cost.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional side view showing an embodiment of a connecting structure for structural members of the present invention. FIG. 2 is a perspective view of the same. In the figure, the same components as those in the conventional example shown in FIG. It is attached. Also in the connection structure of the present invention, the space between the structural members 1 and 1 is filled with a foamed polystyrene plate as the cushion material 2.
[0018]
In addition, an elongated plate-like copper plate 3 whose center is formed in a V-shaped groove 3a along the joint direction is attached to the outer side of the structural member 1 as in the prior art. In this case, it arrange | positions so that the groove 3a may be inserted in the clearance gap between the structural members 1 and 1. As shown in FIG.
[0019]
A waterproof layer 4 is provided on the outside of the copper plate 3 corresponding to the structural members 1 and 1 and on the outside of the structural members 1 and 1. 4a in the figure indicates an additional portion of the waterproof layer 4 disposed over the entire surface outside the copper plate 3.
[0020]
A waterproof protective plate 5 made of a foamed polyethylene plate is placed on the outer side of the waterproof layer 4, and a cushion material 6 made of a foamed polyethylene plate is placed on the outer side of the copper plate 3 with a mounting range width of the copper plate 3. A protective member 7 for the connecting portion is attached so as to straddle between the members 1 and 1.
[0021]
With respect to the connection structure on the inner side of the structural members 1, 1, in the present invention, a metal-made angled mounting metal 8 such as stainless steel is disposed over the entire circumference at the joining end portion, and is embedded in the concrete of the structural member 1. The cap nut 9 is fixed to the mounting hardware 8 by welding.
[0022]
And the metal plate 10 which adhered the waterproof layer 11 with the adhesive agent 12 on the inner side is fixed with the volt | bolt 13 so that it may straddle the structural members 1 and 1 on the outer side of this attachment metal fitting 8. FIG.
[0023]
As an example, the metal plate 10 includes a standard plate 10a having a long and standard size as shown in FIG. 3, a corner plate 10b bent in the middle as shown in FIG. 4, and the standard plate 10a and the corner plate 10b. 5 and the short joint waterproof material receiving plate 10c shown in FIG. 5 and the same short joint cover plate 10d as shown in FIG.
[0024]
The manufacturing method of each metal plate 10 will be described. These metal plates 10 are made of stainless steel as a material, and are manufactured in a factory. As an example, the shape of the metal plate 10 is an elongated flat plate as shown in the drawing in the center in the length direction. The bulging portion 14a is a flexible portion, and is bulged into a semicircular shape by bending. Bolt holes 15 are formed at appropriate intervals in the flat portion 14b formed in the length direction on both sides of the bulging portion 14a. Drilled. The drilling position of the bolt hole 15 is a position corresponding to the bolt hole provided in the mounting hardware 8. Note that the joint waterproof material receiving plate 10c shown in FIG. 5 is not provided with a bolt hole because it is fixed with a screw as described later.
[0025]
As shown in FIG. 2, the corner plate 10b is disposed at the connecting portion between the floor member 16 and the wall member 17 or the connecting portion between the wall member 17 and the ceiling member 18 as the structural member 1, and has a length in the middle. Folded in a direction perpendicular to the direction.
[0026]
A waterproof material 19 is attached to each metal plate 10 that has been bent in this manner. FIG. 7 shows an example of a standard plate 10a having a standard size, and a waterproof material 19 is attached to the inner side (back surface) of the standard plate 10a. In this case, the waterproof material 19 is made to protrude appropriately from the tip portion in the length direction of the standard plate 10a, and the protruding portion is used as a joint portion 19a.
[0027]
As the type of the waterproof material 19, various types such as asphalt type, sheet type, spray waterproofing, etc. can be considered as long as it has a water stopping function and can be stuck inside the metal plate 10.
[0028]
Further, the shape of the metal plate 10 is not limited to the Ω shape in which the center is bulged in a semicircular shape as described above, and a plurality of, for example, two semicircular bulged portions 14a are formed in parallel. A corrugated bulging portion or an inverted V-shaped bulging portion can be selected as appropriate.
[0029]
As described above, the joining member is constituted by the composite structure of the combination of the metal plate 10 and the waterproof layer formed of the waterproof material 19, the metal plate 10 bears the pressure resistance function, and the waterproof material 19 bears the water stop function. To do. Then, flexibility is applied to the bulging portion 14 a of the metal plate 10.
[0030]
Next, a method for attaching the connecting member between the structural members 1 and 1 will be described with reference to FIGS. First, as shown in FIG. 8, an angle-shaped mounting fixture 8 is set before placing a concrete frame such as a building. A plurality of bolt holes 8a are formed at appropriate intervals in the fitting 8 and a cap nut 9 is fixed to the back surface by welding so as to correspond to the bolt holes 8a. In the figure, 20 indicates a reinforcing bar for temporary fixing.
[0031]
Next, as shown in FIG. 9, the concrete frame 21 is placed. And the space | interval between the bolt holes 8a and 8a drilled in the attachment 8 is measured, and among the metal plates 10, the standard plate 10a, the corner plate 10b, and the joint cover plate 10d are connected between the bolt holes 8a and 8a. Bolt holes 15 are drilled at intervals equal to the interval.
[0032]
Next, as shown in FIG. 10, the joint waterproof material receiving plate 10 c is fixed to the mounting hardware 8 by screwing at a position located at the connection portion between the standard plate 10 a and the corner plate 10 b. The joint waterproof material receiving plate 10c serves as a base plate for waterproof connection processing of the connection portion between the standard plate 10a and the corner plate 10b, and is a joint portion that is a protruding portion of the waterproof material 19 attached to the standard plate 10a or the corner plate 10b. It is also a receiving material for 19a.
[0033]
If the joint waterproofing material receiving plate 10c is attached to the attachment hardware 8, as shown in FIG. 2, corner portions such as a connection portion between the floor member 16 and the wall member 17 and a connection portion between the wall member 17 and the ceiling member 18 are provided. 11, the corner plate 10b is disposed so that the end portion overlaps the joint waterproof material receiving plate 10c that is attached in advance as shown in FIG. In this state, since the waterproof material 19 is attached in advance to the inside of the corner plate 10b, the joint portion 19a of the waterproof material 19 protrudes on the joint waterproof material receiving plate 10c.
[0034]
Further, as shown in FIG. 12, the standard plate 10a is fixed with the bolts 13 in the same manner as in the case of the corner plate 10b. In this state, the joint 19a of the waterproof material 19 projecting from the end of the standard plate 10a abuts with the joint 19a on the corner plate 10b side.
[0035]
Therefore, as shown in FIG. 13, the adhesive 22 is filled into the abutting end of the joint portion 19a of the waterproof material 19 projecting from the standard plate 10a side and the corner plate 10b side, and the joint portions 19a are joined. Apply waterproofing to the joints.
[0036]
Further, as shown in FIG. 14, the gap formed between the end portions of the standard plate 10a and the corner plate 10b is filled with the filler 23, and the joint cover plate is placed on the end portions of the standard plate 10a and the corner plate 10b. The bolt 13 is screwed onto the cap nut 9 and the standard plate 10a and the corner plate 10b are connected via the joint cover plate 10d. At the same time, the standard plate 10a and the corner plate 10b are fixed to the mounting hardware 8. . Thereby, construction is completed.
[0037]
In this way, the metal plate 10 with the waterproof material 19 attached inside is attached to the inside of the connecting portion with the floor member 16, the wall member 17, and the ceiling member 18, which are the structural members 1, as shown in FIG. The metal plate 10 functions to withstand pressure against groundwater pressure from the structural member 1 side, and the waterproof material 19 attached to the positive pressure side of the metal plate 10 exhibits water-stopping function against water stoppage.
[0038]
The metal plate 10 and the waterproof material 19 can use commercially available off-the-shelf materials. In addition, the prefabrication of the members and the factory production can greatly reduce the cost, reduce the amount of work on site, and ensure uniform quality.
[0039]
【The invention's effect】
As described above, the connection structure of the structural member of the present invention has a pressure resistance function and a water stop function at a connection part over a very long distance, such as a connection part between buildings, for example, in a basement floor of a building such as a nuclear power plant. Even when a joint member is provided, the composite structure is a combination of commercially available ready-made materials, so that it is possible to achieve cost reduction and uniform quality while ensuring a predetermined function, and to make it more versatile. .
[Brief description of the drawings]
FIG. 1 is a cross-sectional plan view showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 2 is a perspective view showing an embodiment of a connection structure for structural members of the present invention.
FIG. 3 is a perspective view of a metal standard plate showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 4 is a perspective view of a metal corner plate showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 5 is a perspective view of a metal joint waterproof material receiving plate showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 6 is a perspective view of a metal joint cover plate showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 7 is a perspective view of a state in which a waterproof material is attached to a metal standard plate showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 8 is a perspective view showing a first step of metal plate attachment showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 9 is a perspective view showing a second step of metal plate attachment showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 10 is a perspective view showing a third step of metal plate attachment showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 11 is a perspective view showing a fourth step of metal plate attachment showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 12 is a perspective view showing a fifth step of metal plate attachment showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 13 is a perspective view showing a sixth step of metal plate attachment showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 14 is a perspective view showing a seventh step of metal plate attachment showing an embodiment of a connecting structure for structural members of the present invention.
FIG. 15 is a cross-sectional plan view showing a conventional connecting structure of structural members.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Structural member 2 ... Cushion material 3 ... Copper plate 4 ... Waterproof layer 3a ... Groove 4a ... Additional sticking part 5 ... Waterproof protective plate 6 ... Cushion material 7 ... Protection material 8 ... Mounting metal 9 ... Cap nut 8a ... Bolt hole 10 ... Metal plate 10a ... Standard plate 10b ... Corner plate 10c ... Joint waterproof material receiving plate 10d ... Joint cover plate 11 ... Waterproof layer 12 ... Adhesive 13 ... Bolt 14a ... Bulge part 14b ... Flat part 15 ... Bolt hole 16 ... Floor Member 17 ... Wall member 18 ... Ceiling member 19 ... Waterproof material 19a ... Joint part 20 ... Reinforcement 21 ... Concrete concrete 22 ... Adhesive 23 ... Filler 25 ... Vulcanized rubber water stop plate 26 ... Water stop plate 27 ... Clamping plate 28 ... Tightening nut

Claims (1)

In a connection structure for a structural member for connecting a structural member such as a wall member with an expansion joint structure, a waterproof layer is provided on the inner side, and it has flexibility along the length direction and has the same cross-sectional shape. A standard plate that is long and of standard size, a corner plate that is bent at the corner, and a short joint waterproof material receiving plate and a short joint cover plate that are placed at the connecting portion of the standard plate and the corner plate. Various metal plates composed of a combination are attached to the connection portion, and the waterproof layer appropriately protrudes from the front end portion in the length direction which is the extending direction of the standard plate and the corner plate, and this protruding portion is the other. For matching with protruding parts from metal plates such as standard plates or corner plates As a joint part, a joint waterproof material receiving plate is fixed to the connection part, and a corner plate or a standard plate is arranged so that the joint part which is a protruding part of the waterproof layer overlaps one end of the joint waterproof material plate, Place the standard plate or corner plate so that the joint that is the protruding part of the waterproof layer overlaps the other end of the same joint waterproof material plate, and the joint and standard plate or corner protruding from the corner plate or standard plate side Join the joint protruding from the plate side and join the joint cover plate over the end of the standard plate or corner plate and the corner plate or standard plate so as to cover this joint. Standard plate or cover via cover plate Connection structure of the structural member, characterized by connecting the toner plate and the corner plate or standard plate.

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