JP2009068237A - Joint structure and method for a pair of full prestressed concrete (pc) member, floor structure, and full pc plate member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a joint method for a pair of full PC members for reducing amount of concrete to be placed when constructing a floor surface by connecting full PC floor plates. <P>SOLUTION: This joint structure 110 for joining full PC floor plates is constituted in such a way that the full PC member 40 on one side is provided with a joint reinforcing bar 44 and a cut-out section 42A opened on a joint end face and an upper face in the vicinity of the joint reinforcing bar 44, the full PC floor plate 30 on the other side is provided with a joint reinforcing bar 31A protruding from the joint end face, the joint reinforcing bar 31A of the full PC floor plate 30 on the other side is positioned in the cut-out section 42A of the full PC floor plate 40 on one side, the pair of full PC floor plates 30, 40 are constructed to overlap their joint reinforcing bars 31A, 44 partially and mutually, and the cut-out section 42A is filled with grout 13. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a joining structure and method for joining full PC floor boards or a full PC floor board and a full PC beam member.

Conventionally, in order to shorten the construction period, a floor structure has been constructed by joining together full PC floor boards previously formed in a factory or the like. It is necessary to ensure that stress is transmitted between adjacent full PC floor plates at the joint between such full PC floor plates. Therefore, for example, in Patent Document 1, a stud is provided on the upper surface of a steel beam on which an end portion of an adjacent full PC floor board is placed so that stress transmission is reliably performed between the full PC floor boards, and both full PC floor boards are provided. A full PC floor board is installed so that the U-shaped curved reinforcing bar protrudes from the end face on the joint side, and the curved part of the reinforcing bar is fitted to the stud provided on the steel beam. A method is described in which full PC floorboards are joined together by placing concrete between the floorboards.
JP-A-9-158377

  As described above, in the method described in Patent Document 1, when joining full PC floor boards, concrete is placed between the full PC floor boards. Therefore, the amount of concrete to be placed is large, and a pump car or the like must be used. In other words, there was a problem that it took a lot of work.

  This invention is made | formed in view of said problem, The objective is to reduce the placement amount of concrete, when constructing a floor surface using a full PC floor board.

The joining structure of a full PC member of the present invention is a joining structure of a pair of full PC members, and one full PC member is embedded in a joint end face and a notch portion opened on the surface and in the vicinity of the notch portion. The other full PC member is provided with a joining reinforcing bar protruding from the joining end face, and the protruding portion of the joining reinforcing bar is the notch of the one full PC member. It is built in the part so that it may overlap with the joint reinforcement of said one full PC member, and the said notch part is filled with a filler, It is characterized by the above-mentioned.
It should be noted that the above-mentioned bonded reinforcing bars partially overlap with each other even if the bonded reinforcing bars are in contact or not in contact. In short, the bonded reinforcing bars are located in the vicinity and a part of the bonded reinforcing bars The state arranged so that it may be located in the length direction.

  Moreover, the full PC member joining structure of the present invention is a joining structure of a pair of full PC members, wherein one full PC member has a notch portion opened to the joining end surface and the surface, and an end in the notch portion. And the other full PC member includes a joint reinforcing bar protruding from the joint end surface, and the other full PC member is connected to the one full PC. In the notch part of a member, it is built so that it may overlap with the joint reinforcement of said one full PC member, It fills with the filler in the said notch part, It is characterized by the above-mentioned.

  Moreover, the full PC member joining structure of the present invention is a joining structure of a pair of full PC members, wherein one full PC member has a notch portion opened to the joining end surface and the surface, and the vicinity of the notch portion. And the other full PC member is opened to the joint end surface and the surface, and the pair of full PC members are joined to each other. A notch that forms a recess opening on the surface together with the notch of the one full PC member when the end surface is brought into contact, and an end embedded in or near the notch The pair of full PC members are built so that the respective joining end faces face each other, and the reinforcing bars are partially overlapped with the joint reinforcing bars of the pair of full PC members, respectively. Install the recess It is characterized by being filled with a filler.

  Further, the full PC member joining structure of the present invention is a pair of full PC member joining structures, wherein the pair of full PC members have a notch portion opened to a joining end surface and a surface, and a part of the tip end. A joining rebar embedded in the vicinity of the notch, and the rest embedded so as to protrude from the joining end face, and the joining reinforcing bar protruding from the joining end face of one full PC member is the cut of the other full PC member. In the notch, the joining reinforcing bar embedded in the vicinity of the notch of the other full PC member partially overlaps, and the joining reinforcing bar protruding from the joining end surface of the other full PC member In the cutout portion, the pair of full PC members are erected so as to partially overlap a joint reinforcing bar embedded in the vicinity of the cutout portion of the one full PC member. And characterized by being filled with a filler part.

  Further, the full PC member joining structure of the present invention is a pair of full PC member joining structures, wherein the pair of full PC members includes a notch portion opened to a joining end surface and a surface, and a part of the notched portion. A joint reinforcing bar provided so that an end is exposed in the notch and the rest is projected from the joint end face, and the joint reinforcing bar projecting from the joint end face of one full PC member is the other full PC. In the notch portion of the member, the joining reinforcing bar partially overlapping with the joining reinforcing bar exposed in the notch portion of the other full PC member and protruding from the joining end surface of the other full PC member is the one full PC. In the cutout portion of the member, the pair of full PC members are erected so as to partially overlap the joint reinforcing bar exposed in the cutout portion of the one full PC member. And characterized by being filled with a filler-away portion.

In the full PC member joining structure, the pair of full PC members may be a pair of full PC floor boards or a full PC wall member.
Further, the pair of full PC members may be a full PC floor board or a full PC wall member and a full PC beam member.
The pair of full PC members may be a full PC wall member and a full PC column member.

  Further, the full PC member joining method of the present invention is a method of joining a pair of full PC members, wherein one full PC member is provided with a notch portion so as to open to the joining end surface and the surface, and A joint rebar is embedded in the vicinity of the notch, a joint rebar is provided on the other full PC member so as to protrude from the joint end surface, and the other full PC member is connected to the one full PC member. In the notch portion of the PC member, the joint reinforcing bar of the one full PC member is built so as to partially overlap, and the notch portion is filled with a filler.

  Further, the full PC member joining method of the present invention is a method of joining a pair of full PC members, wherein one full PC member is provided with a notch so as to open to the joining end surface and the surface, and A joining rebar is provided so that the end is exposed in the notch, a joining rebar is provided on the other full PC member so as to protrude from the joining end surface, and the other full PC member is connected to the joining rebar. However, in the cutout portion of the one full PC member, the reinforcing bars of the pair of full PC members are built so as to partially overlap, and the cutout portion is filled with a filler.

  Further, the full PC member joining method of the present invention is a method of joining a pair of full PC members, wherein one full PC member is provided with a notch so as to open to the joining end surface and the surface, and A joining rebar is provided in the vicinity of the notch or in the notch so that the end is exposed, and the other full PC member has an opening at the joining end face and the surface, and the joining end face of the pair of full PC members. When the one full PC member is brought into contact with the cutout portion of the one full PC member, a cutout portion that forms a recess opening on the surface is provided, and a joining rebar is embedded in the vicinity of the cutout portion, or the cutout portion is formed. The pair of full PC members are installed so that the end portions are exposed in the portion, and the joint end surfaces of the pair of full PC members are opposed to each other, and the joint reinforcing bars of the pair of full PC members are partially overlapped with the concave portions, respectively. Meet To set up a reinforcing bar, characterized by filling the filling material in the recess.

Moreover, the floor structure of the present invention is characterized by being joined by the joining structure described above.
Moreover, the full PC board | plate material of this invention is a full PC board | plate material joined to a full PC beam member, a full PC pillar member, or a full PC floor board provided with the joint reinforcement which protrudes from a joining end surface, Comprising: It corresponds to the said joint reinforcement. A notch is provided at a position so as to open on the surface and the joining end face.

  According to the present invention, since the full PC member can be joined by filling the notch provided in the full PC member with the grout, the amount of placing concrete can be reduced and the workability can be improved. can do.

  Hereinafter, an embodiment of a full PC member joining structure of the present invention will be described in detail with reference to the drawings. FIG. 1A is a plan view showing a floor surface 100 constructed using the joint structure of the present embodiment, and FIG. 1B is an enlarged view of a portion I in FIG. In the floor surface 100, a pair of full PC floor boards 30 and 40 having a rectangular shape in plan view are joined by a joining structure 110 in a rectangular space surrounded by a beam 2 in a reinforced concrete ramen frame 1, and these full PCs are joined together. The outer peripheries of the floor boards 30 and 40 are configured to be joined to the surrounding beam 2 by the joining structure 120. The beam 2 is constructed using a full PC beam member. Further, as will be described later, the full PC floor plates 30 and 40 are preliminarily built with the full PC floor plate 40 having the cutout portion 42A on the joining end face, and the full PC floor board 30 having the joining reinforcing bar 31A protruding from the joining end face. Built behind the scenes. In the present embodiment, the present invention is applied to the joint structure 110 between the full PC floor plates 30 and 40 and the joint structure 120 between the full PC floor plates 30 and 40 and the full PC beam member 10.

  2 and 3 are diagrams showing the configuration of the full PC floor boards 30, 40. FIG. 2 shows the full PC floor board 40 built in advance, and FIG. It is a figure which shows the PC floor board. 2A is a plan view, FIG. 2B is a cross-sectional view taken along line II ′ in FIG. 2A, and FIG. 2C is a cross-sectional view taken along line II-II ′ in FIG. 3A is a plan view, and FIG. 3B is a cross-sectional view taken along the line II ′ in FIG.

  As shown in FIG. 2, a joining rebar 41 </ b> B is provided at the end of the concrete 43 constituting the full PC floor board 40 to be built in advance and joined to the full PC beam member 10 so as to protrude from the joining end face. Buried. In addition, the joint end of the concrete 43 on the side to be joined to the full PC floor board 30 is provided with notches 42A at predetermined intervals so as to open to the upper surface and the joint end face. A joining rebar 44 is buried below.

  Further, as shown in FIG. 3, the end portion of the full PC floor plate 30 to be built downstream is connected to the full PC beam member 10 of the concrete 33 from the joint end surface in the same manner as the full PC floor plate 40. A joining rebar 31B is embedded so as to protrude. Further, the end of the full PC floor board 30 on the side to be joined to the full PC floor board 40 is joined so as to protrude from the end face so as to correspond to the cutout portion 42A provided on the joining end face of the full PC floor board 30. Reinforcing bar 31A is embedded.

  Hereinafter, a flow of constructing the floor surface 1 by joining the full PC floor boards 30 and 40 and joining the full PC floor boards 30 and 40 and the beam member 10 will be described. 4-7 is a figure which shows the process of constructing | assembling the floor surface 1 using the full PC floor boards 30,40. 4A and 4B, FIG. 4A is a plan view, and FIG. 5B is a cross-sectional view taken along line II ′ in FIG. 6 and 7, (A) is a plan view, (B) is a cross-sectional view taken along line II ′ in (A), and (C) is an enlarged view of a II part in (A). .

  FIG. 4 is a diagram showing a state before the full PC floor boards 30 and 40 are installed. As shown in the figure, when the floor surface 1 is constructed, a full PC beam member 10 is built in advance at a position corresponding to the beam 2, and the built full PC beam member 10 is attached to the column member 20. It is joined. A notch 12 is provided at the joining end of the concrete 11 constituting the full PC beam member 10 on the side to which the full PC floor plates 30 and 40 are joined, so as to open to the upper surface and the joining end face. The joint rebar 14 is embed | buried under this. In addition, the notch part 12 is provided in the position corresponding to the joining reinforcing bars 31B and 41B which protrude from the joining end surface of the full PC floor boards 30 and 40.

  As shown in FIG. 5, first, using a lifting machine (not shown), a joining bar 41 </ b> B that projects the full PC floor board 40 from the end face on the side to be joined with the PC beam member 10 is formed on the full PC beam member 10. It is built from above so as to be located in the notch 12 provided, and is supported by a temporary support member 5 from below.

  Next, as shown in FIG. 6, the full PC beam member 10 is provided with a joining rebar 31 </ b> B that protrudes from the end surface on the side where the full PC floor plate 30 is joined to the full PC beam member 10 using a lifting machine. The joint rebar 31A that is located in the notch 12 and protrudes from the joining end face on the side to be joined to the full PC floor board 40 is lowered from above so as to be located in the notch 42A provided in the full PC floor board 40. Then, it is built and supported by a temporary support member 5 from below. Thereby, the joining rebar 31A of the full PC floor board 30 and the joining rebar 44 of the full PC floor board partially overlap each other.

  Next, as shown in FIG. 7, the grout 13 is filled into the notches 12 and 42 </ b> A of the full PC beam member 10 and the full PC floor board 40. As the filled grout 13 is hardened, the stress acting on one of the joining reinforcing bars 31A, 42 of the full PC floor boards 30, 40 is transmitted to the other through the grout 13 and the concrete 43, that is, the joining reinforcing bars 31A, 42. They are joined together by a lap joint, and the full PC floor plates 30 and 40 are joined firmly. Similarly, the full PC floor plates 30 and 40 and the full PC beam member 10 are also firmly joined. In this way, the full PC floor boards 30 and 40 and the full PC floor boards 30 and 40 and the beam 2 are joined by the joint structures 110 and 120, and the floor surface 1 is constructed in the space surrounded by the beams 10. . In the present embodiment, the joints between the full PC floor plates 30 and 40 and the joints between the full PC floor plate and the full PC beam member 10 are not processed. However, even if these joints are processed. Good. As a joint treatment method, the joint may be filled with a filler such as concrete, grout, or epoxy, or an elastic body such as rubber may be interposed in the joint.

  As described above, according to the joining structures 110 and 120 of the present embodiment, the full PC floor boards 30 and 40 or the full PC floor boards 30 or 40 are filled by filling the notches 12 and 42A formed on the joining end faces with the grout 13. The PC floor plates 30 and 40 and the full PC beam member 10 can be joined. For this reason, the amount of grout 12 to be placed is small, so that construction can be performed without using a pump car or the like, and the labor of construction can be reduced.

  In the present embodiment, the cutout portion 42A is provided in the full PC floor board 40 at a position corresponding to the joining reinforcing bar 31A protruding from the joining end face of the full PC floor board 30, but not limited to this, FIG. As shown, the cutout portions 42A may be provided continuously (that is, so that the plurality of joining reinforcing bars 31A can be positioned inside).

  In the above embodiment, the notch 12 is provided in the full PC beam member 10 at the joint portion between the full PC floor plates 30 and 40 and the full PC beam member 10, and the full PC floor plates 30 and 40 protrude from the joining end surface. However, the present invention is not limited to this, and the connecting reinforcing bars are embedded in the full PC beam member so as to protrude from the connecting end face, and the notched portion is provided in the connecting end face of the full PC floor board. It can also be configured. However, in such a case, if the full PC beam member is built in advance, the joint rebar protruding from the joint end face interferes with the full PC floor board, and the full PC floor board cannot be built. Therefore, it is necessary to build a full PC floor board prior to the full PC beam member.

  Moreover, in the said embodiment, it was set as the structure which embeds the joining rebar 44 of the full PC floor board 40 below the notch part 42A, For example, it is good also as a structure which embeds a joining rebar to the side of a notch part. FIG. 9 shows the joining structure 150 of the full PC floor board 140 when the joining reinforcing bar 144 is embedded in the side of the notch 142A. FIG. 9A shows the vicinity of the joining end face of the full PC floor boards 130 and 140 before joining. (B) is a cross-sectional view taken along the line II ′ in (A), (C) is a vertical cross-sectional view in the vicinity of the joining end face in a state where the full PC floor plates 130 and 140 are joined, D) is a sectional view taken along line II-II ′ in FIG. As shown in the figure, the joining rebar 144 is embedded in the vicinity of the side of the notch 142 </ b> A of the concrete 143 constituting the full PC floor board 140. Moreover, the full PC floor board 130 is provided with the joining rebar 131A embed | buried under the concrete 133 so that it may protrude from a joining end surface. The joint structure 150 is constructed by building full PC floor plates 130 and 140 so that the joint rebar 131A is located in the notch 142A and filling the grout 113 in the notch 142A. Also by the joining structure 150, since the lap joint is formed between the joining reinforcing bars 131A and 144 of the full PC floor plates 130 and 140, the full PC floor plates 130 and 140 can be firmly joined. In addition, the joining structure 150 can be applied also when joining a full PC beam member and a full PC floor board.

  Furthermore, it is also possible to adopt a configuration in which the joining rebar 244 is exposed in the notch 240. FIG. 10 is a view showing a joint structure 250 of full PC floor plates 230 and 240 when the joint reinforcing bar 244 is exposed in the notch 242A. FIG. 10A is a joint end surface of the full PC floor plate before joining. It is a vertical cross-sectional view in the vicinity, (B) is a cross-sectional view taken along line II ′ in (A), (C) is a vertical cross-sectional view in the vicinity of the joining end face in a state where the full PC floor plates 230 and 240 are joined, (D) is II-II 'sectional drawing in (C). As shown in the figure, the full PC floor plate 230 is embedded with a reinforcing bar 231A so as to protrude from the joint end surface, and the full PC floor plate 240 has a notch 242A so as to open to the upper surface and the joint end surface. , And a joining rebar 244 is provided so as to be exposed in the notch 242A. When joining these full PC floor plates 240, first, the full PC floor plate 240 provided with the notch 242A is built, and then the full PC in which the joining reinforcing bars 231A are embedded so as to protrude from the joining end face. The floor plate 230 is built so that the joining rebar 231A is located in the notch 242A. Then, the grout 113 is filled into the notch 242A. When the grout 113 is cured, the joint reinforcing bars 231A and 244 of the full PC floor plates 230 and 240 are joined together by a lap joint, and the full PC floor plates 230 and 240 are joined by the joint structure 250. In addition, the joining structure 250 can be applied also when joining a full PC beam member and a full PC floor board. Note that the joint structure 250 of the present embodiment may also be configured to continuously provide the notches 242A, as described with reference to FIG. 8 in the above embodiment.

  Moreover, in embodiment described with reference to FIGS. 1-7, only the notch part 42A is provided in the joining edge part of the full PC floor board 40, and it protrudes from an end surface in the joining edge part of the full PC floor board 30. However, the present invention is not limited to this, and as shown in FIG. 11, the full PC floor plate 30 is notched at the joint end face. It is also possible to provide the portion 32A and embed the joining rebar in the vicinity thereof, and also project the joining rebar 31A so as to project from the joining end face to the full PC floor board 40 as well. These full PC floor boards 30, 40 have the joint rebar 31 </ b> A of the full PC floor board 30 located in the notch 42 </ b> A of the full PC floor board 40 and the joint rebar 41 </ b> A of the full PC floor board 40 of the full PC floor board 30. It can be joined by being built so as to be located in the notch 32A and filling the notches 32A and 42A with grout. Similarly, in the case of using the joining method described with reference to FIGS. 9 and 10, the notch portions are provided on both of the pair of full PC floor boards, and the side on which the notch portions are provided. It is also possible to form a lap joint in the full PC floor board.

  In addition to this, a notch portion is provided so as to open on the joining end surface and the upper surface of a pair of full PC floor boards, a reinforced reinforcing bar is installed so as to straddle these notch portions, and a grout is placed in the notch portion. It is also possible to join by filling the jointed reinforcing bars and the lap reinforcing bars with a lap joint. FIG. 12 is a view for explaining a method of joining the full PC floor plates 330 and 340 by the joining structure 350 having such a configuration. FIG. 12A is a view of the vicinity of the joining end face of the full PC floor plates 330 and 340 before joining. It is a vertical sectional view, (B) is a sectional view taken along line II ′ in (A), (C) is a vertical sectional view in the vicinity of the joining end face in a state where full PC floor plates 3340 and 340 are joined, (D ) Is a sectional view taken along line II-II ′ in FIG. As shown in the drawing, notch portions 332A and 342A are provided at the joining end portions of the full PC floor plates 330 and 340 so as to open to the joining end surface and the upper surface, and below these notch portions 332A and 342A. Are embedded with reinforcing bars 334 and 344. These notches 332A and 342A are formed so as to form a concave portion integrally in a state where the joining end faces of the full PC floor plates 330 and 340 are in contact with each other.

  When joining these full PC floor boards 330 and 340, first, the full PC floor boards 330 and 340 are built so that the joining end faces come into contact with each other. As a result, the notches 332A and 342A of the pair of full PC floor plates 330 and 340 are integrated to form a recess. At this time, the joining reinforcing bars 334 and 344 do not protrude from the end portions and do not interfere with other members, and any of the full PC floor plates 330 and 340 may be built in advance. Next, the overlapping reinforcing bars 350 are installed in the concave portions formed by the notches 332A and 342A so as to partially overlap the joining reinforcing bars 334 and 344 of the full PC floor plates 330 and 340. Next, the grout 313 is filled in the recess. When the grout 313 is cured, a lap joint is formed between the joint reinforcing bars 334 and 344 of the full PC floor plates 330 and 340 and the lap reinforcing bar 350, and the joint reinforcing bars 334 and 344 of the full PC floor plates 330 and 340 are connected to each other. Stress can be transmitted between the two. Thereby, the joining structure 360 is formed, and the full PC floor boards 330 and 340 are joined firmly. The joining structure 360 can also be applied to joining a full PC beam member and a full PC floor board. In the present embodiment, the joining reinforcing bars 334 and 344 are embedded in the concrete 333 and 343. However, the present invention is not limited to this, and the connecting reinforcing bars 334 and 344 may be provided so as to be exposed in the notches 332A and 342A. Further, in the bonding structure 350 of the present embodiment, the notches 332A and 342A may be provided continuously as described in the above embodiment with reference to FIG.

  In the joining structure having such a configuration, it is not necessary to project the joining reinforcing bar from the joining end face, and therefore, when the full PC member is built, it does not interfere with other members. For this reason, there exists an advantage that the embedding order of PC member becomes free.

  In each of the above embodiments, the joining reinforcing bars are provided separately from the slab reinforcing bars and the beam reinforcing bars. However, the present invention is not limited to this, and the slab reinforcing bars and the beam reinforcing bars can be used as the joining reinforcing bars.

  In the embodiment described with reference to FIG. 9, a linear reinforcing bar is used as the joining reinforcing bar. However, the present invention is not limited to this, and the joining reinforcing bar 431 </ b> A having a tip formed in a hook shape as shown in FIG. 13. , 444 or a U-shaped joining rebar in plan view, in short, the joining rebar only needs to form a lap joint. Similarly, in the embodiment described with reference to FIGS. 1 to 7 and the embodiment described with reference to FIG. 10 and FIG. You may use the joint reinforcement formed in the U shape in view.

  Further, in the embodiment described with reference to FIG. 9, in the vicinity of the center in the thickness direction of the full PC floor board, the joining rebar is joined by a lap joint. It is good also as a structure which joins a joint reinforcement in the vicinity. FIGS. 14A and 14B are views for explaining a joining structure having such a configuration, in which FIG. 14A is a vertical sectional view in a direction crossing the joining end surface, and FIG. 14B is a sectional view taken along line II-II ′ in FIG. As shown in FIG. 2A, bonding rebars 531A and 541A are provided in the vicinity of the upper surface and the lower surface of one full PC floor board 130 so as to protrude from the bonding end surface. The other full PC floor board 130 is provided with a notch 142A, and joint reinforcing bars 544 and 554 are embedded in the vicinity of the upper and lower surfaces of the side of the notch 142A.

  Then, as shown in FIG. 14B, full PC floor plates 130 and 140 are erected so that the joining rebars 531A and 541A are located in the notch 142A, the grout is filled in the notch 142A and the joints are filled. Process. With such a configuration, the full PC floor plates 130 and 140 can be firmly joined to each other. Similarly, in the embodiment described with reference to FIGS. 1 to 7 and the embodiment described with reference to FIGS. 10 and 12, the joint reinforcing bars are connected in the vicinity of the upper surface and the lower surface of the full PC floor board. It is also possible to do.

  Further, in each of the above embodiments, as described with reference to FIG. 1, the case where the floor structure is constructed using a pair of full PC floor boards is described, but not limited to this, as illustrated in FIG. 15. The floor structure may be constructed by connecting the full PC floor boards 430 in a plurality of rows and columns, and the joining structure used for joining the full PC floor boards 430 is limited to any one of the joining structures described above. Instead, different joining structures may be combined. In such a case, as the full PC floor plate 430, a full PC floor plate 430 having notches 431 formed on each end face as shown in FIG. 16 is used, and the full PC floor plate 430 is formed by the joining method described with reference to FIG. The PC floor plate 430 may be joined. Thereby, the restriction | limiting of the build-in order of a full PC floor board decreases.

  Moreover, although each said embodiment demonstrated the case where a flat full PC floor board was joined, not only this but the full PC floor board 800 which has the rib 810 as shown in FIG. It can also be applied when constructing.

  In each of the above embodiments, the grout is filled in the notch, but the present invention is not limited to this, and a material such as epoxy or concrete may be filled.

  In each of the above-described embodiments, the case where the floor is constructed in the space surrounded by the beams has been described. However, the present invention is not limited to this, and is surrounded by the pillars 501, the beams 502, and the floor 503 as illustrated in FIG. In the case where plate-like wall materials 530 and 540 made of full PC members are built in the space, and the wall surface is constructed, the wall materials 530 and 540 are connected to each other, between the wall materials 530 and 540 and the pillar 501, In addition, it can be used as a joint structure that joins between the wall materials 530 and 540 and the beam 502.

(A) is a top view which shows the floor surface constructed | assembled using the joining structure of this embodiment, (B) is an enlarged view of the I section in (A). It is a figure which shows the full PC floor board built beforehand, (A) is a top view, (B) is II 'sectional drawing in (A), (C) is II in (A). It is -II 'sectional drawing. It is a figure which shows the full PC floor board built behind, and (A) is a top view, (B) is II 'sectional drawing in (A). It is a figure which shows the state before building a full PC floor board, (A) is a top view, (B) is II 'sectional drawing in (A). It is a figure which shows the state which built one full PC floor board in advance, (A) is a top view, (B) is II 'sectional drawing in (A). It is a figure which shows the state which built in the other PC floor board to follow, (A) is a top view, (B) is II 'sectional drawing in (A), (C) is (A FIG. It is a figure which shows the state which filled the notch part of the PC beam member and the full PC floor board with grout, (A) is a top view, (B) is II 'sectional drawing in (A), C) is an enlarged view of part II in (A). It is a figure which shows the full PC floor board which provided the notch part continuously. The joint structure of a full PC floor board at the time of embedding a joint reinforcing bar to the side of a notch part is shown, (A) is a vertical sectional view near the joint end face of a full PC floor board before joining, (B) It is II 'sectional drawing in (A), (C) is a vertical sectional view of the joining end surface vicinity in the state which joined the full PC floor board, (D) is II-II' sectional drawing in (C). is there. It is a figure which shows the joining structure of the full PC floor board at the time of exposing a joining reinforcing bar in a notch part, (A) is a vertical sectional view of the joining end surface vicinity of the full PC floor board before joining, (B) Fig. 2A is a cross-sectional view taken along line I-I 'in Fig. 1A, Fig. 1C is a vertical cross-sectional view in the vicinity of a joining end surface in a state where a full PC floor board is joined, and Fig. 2D is a cross-sectional view taken along line II-II' in Fig. 1C. It is. It is a figure which shows the joining structure at the time of providing the joining reinforcement which protrudes from a joining end surface, and a notch to both of a pair of full PC floor boards. It is a figure which shows the case where notch parts are provided in a pair of full PC floor boards, and a pile of reinforcing bars is installed so as to straddle these notch parts, and these full PC floor boards are joined by filling grout into the notch parts. Yes, (A) is a vertical sectional view in the vicinity of the joining end face of the full PC floor board before joining, (B) is a sectional view taken along line I-I 'in (A), and (C) is a full PC floor board. It is the vertical sectional view near the joining end face in the joined state, and (D) is the II-II 'sectional view in (C). It is a figure which shows the joining structure at the time of using the joining reinforcement in which the front-end | tip was formed in hook shape. It is a figure which shows the joining structure at the time of joining a joint reinforcing bar in the upper surface and the lower surface vicinity. It is a figure which shows the floor structure constructed | assembled by laying a full PC floor board in multiple rows vertically and horizontally. It is a figure which shows a full PC floor board suitable when constructing | assembling a floor structure by laying a full PC floor board in multiple rows vertically and horizontally. It is a figure which shows the floor surface constructed | assembled using the full PC floor board which has a rib. It is a figure which shows the wall constructed | assembled using the joining structure of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Column beam frame 2 Beam 10 Full PC beam member 12 Notch 13, 113, 213, 313 Grout 14 Joint reinforcement 20 Column 30, 130, 230 Full PC floor boards 31A, 31B, 131A 231A Joining rebar 33, 133, 233, 333, 343 Concrete 40, 140, 240 Full PC floor board 41B Joining rebar 42A, 142A, 242A, 332A, 342A Notch 43, 143, 243 333, 343 Concrete 44, 144, 244, 334, 344 Jointed reinforcing bars 110, 120, 150, 250, 360 Jointed structure 330, 340 Full PC floor board 350 Stacked reinforcing bars

Claims (13)

A joining structure of a pair of full PC members,
One full PC member is provided with a notch part opened to the joining end face and the surface, and a joining rebar embedded in the vicinity of the notch part,
The other full PC member is provided with a joining rebar protruding from the joining end face,
The other full PC member is built in such a manner that the protruding portion of the joining reinforcing bar partially overlaps with the joining reinforcing bar of the one full PC member in the cutout portion of the one full PC member,
A joining structure of a pair of full PC members, wherein the notch is filled with a filler. A joining structure of a pair of full PC members,
One full PC member is provided with a notch portion that opens to the joining end surface and the surface, and a joining rebar provided so that the end portion is exposed in the notch portion,
The other full PC member is provided with a joining rebar protruding from the joining end face,
The other full PC member is built in such a manner that the joint reinforcing bar partially overlaps with the joint reinforcing bar of the one full PC member in the notch portion of the one full PC member,
A joining structure of a pair of full PC members, wherein the notch is filled with a filler. A joining structure of a pair of full PC members,
One full PC member includes a joint end face and a cutout portion opened on the surface, and a joint reinforcing bar embedded in the vicinity of the cutout portion or provided so that the end portion is exposed in the cutout portion. ,
When the other full PC member opens to the joining end surface and the surface, and the joining end surfaces of the pair of full PC members are brought into contact with each other, a recess that opens to the surface together with the notch portion of the one full PC member A notch portion to be formed, and a joining rebar embedded in the vicinity of the notch portion or having an end exposed in the notch portion,
The pair of full PC members are built such that the respective joining end faces face each other,
Reinforcing bars are installed in the recess so as to partially overlap with the joining reinforcing bars of the pair of full PC members,
A joining structure of a pair of full PC members, wherein the recess is filled with a filler. A joining structure of a pair of full PC members,
The pair of full PC members include a joint end surface and a cutout portion that opens to the surface, a part of the joint is embedded in the vicinity of the cutout portion, and the rest is embedded so as to protrude from the joint end surface, With
In the notch part of the other full PC member, the joining reinforcing bar protruding from the joining end surface of one full PC member partially overlaps the joining reinforcing bar embedded in the vicinity of the notch part of the other full PC member, The joining rebar protruding from the joining end surface of the other full PC member partially overlaps with the joining rebar embedded in the vicinity of the notch of the one full PC member in the notch of the one full PC member. As shown in FIG.
A joining structure of a pair of full PC members, wherein the notch is filled with a filler. A joining structure of a pair of full PC members,
The pair of full PC members are provided with a notch portion that opens to the joining end face and the surface, a part of the notch part is exposed in the notch part, and the rest is provided to protrude from the joining end face. A joining rebar, and
The joining reinforcing bar protruding from the joining end surface of one full PC member partially overlaps the joining reinforcing bar exposed in the notch portion of the other full PC member in the notch portion of the other full PC member, and the other The pair of reinforcing bars projecting from the joining end surface of the full PC member is overlapped with the joining reinforcing bar exposed in the notch part of the one full PC member in the notch part of the one full PC member. Of full PC material,
A joining structure of a pair of full PC members, wherein the notch is filled with a filler.   The pair of full PC members according to any one of claims 1 to 3, wherein the pair of full PC members are a pair of full PC floor boards or a full PC wall member.   The said pair of full PC members are a full PC floor board or a full PC wall member, and a full PC beam member, The joining structure of a pair of full PC member in any one of Claim 1 to 3 characterized by the above-mentioned. .   The pair of full PC members according to any one of claims 1 to 3, wherein the pair of full PC members are a full PC wall member and a full PC column member. A method of joining a pair of full PC members,
In one full PC member, a cutout portion is provided so as to open to the bonding end face and the surface, and a bonding rebar is embedded in the vicinity of the cutout portion,
On the other full PC member, a joining rebar is provided so as to protrude from the joining end face,
The other full PC member is built in such a manner that the joint rebar of the one full PC member partially overlaps in the notch portion of the one full PC member,
A method of joining a pair of full PC members, wherein the notch is filled with a filler. A method of joining a pair of full PC members,
One full PC member is provided with a notch so as to open to the joining end face and the surface, and a joining rebar is provided so that the end is exposed in the notch,
On the other full PC member, a joining rebar is provided so as to protrude from the joining end face,
The other full PC member is built in such a manner that the joining reinforcing bars of the pair of full PC members partially overlap in the notch portion of the one full PC member,
A method of joining a pair of full PC members, wherein the notch is filled with a filler. A method of joining a pair of full PC members,
One full PC member is provided with a notch so as to open to the joining end face and the surface, and a joining rebar is provided so that the end is exposed in the vicinity of the notch or in the notch,
When the other full PC member is opened to the joining end surface and the surface, and the joining end surfaces of the pair of full PC members are brought into contact with each other, a recess that opens to the surface together with the notch portion of the one full PC member A cutout portion to be formed is provided, and a joining rebar is embedded in the vicinity of the cutout portion, or provided so that an end portion is exposed in the cutout portion,
The pair of full PC members are built such that the respective joining end faces face each other,
Reinforcing bars are installed in the recess so as to partially overlap with the joining reinforcing bars of the pair of full PC members,
A method of joining a pair of full PC members, wherein the recess is filled with a filler.   A floor structure characterized by being joined by the joining method according to any one of claims 9 to 11. A full PC plate member to be joined to a full PC beam member, a full PC column member or a full PC floor plate provided with a joining reinforcing bar protruding from the joining end face,
A full PC plate material, wherein a notch is provided at a position corresponding to the joining reinforcing bar so as to open on the surface and the joining end face.