JP4238275B2 - Unit building structure and unit housing construction method - Google Patents

Description

The present invention relates to the construction method of a unit building structure Zo及 beauty unit housing which is interposed the Harima damping material between the lower beam of the upper beam and the upper floor building unit of the lower story building unit.

  Conventionally, as a damping structure in which an inter-beam damping material is interposed between an upper beam of a lower-floor building unit and a lower beam of an upper-floor building unit in a unit building, for example, disclosed in FIG. 12 (see Patent Document 1). There is something like that.

  In FIG. 12, the lower floor building units 1, 1 are adjacently juxtaposed (arranged), and the upper floor building units 2, 2 are placed on the lower floor building units 1, 1. The upper beams 1a and 1a are provided at the upper corner portions adjacent to the lower floor building units 1 and 1, and the lower beam portions 2a and 2a are provided at the lower corner portions adjacent to the upper floor building units 2 and 2. ing.

Between the upper beams 1a and 1a and the lower beam portions 2a and 2a, a vibration isolator 3 is interposed and sandwiched between the upper beams 1a and 1a and between the lower beam portions 2a and 2a. With this vibration isolator 3, floor impact sound is reduced and floor vibration performance is improved, thereby improving comfort.
Japanese Patent Laid-Open No. 11-022019

  By the way, the above-described vibration isolator 3 prevents the left and right side edge portions from protruding from the side between the upper beam 1a and the lower beam portion 2a for the purpose of facilitating the assembly workability. The vibration performance depends on the width between the upper beam 1a and the lower beam part 2a.

Accordingly, the present invention provides a unit building structure provided with an inter-beam damping material that can greatly set damping performance without being influenced by the width of the upper beam of the lower floor building unit, the width of the lower beam of the upper floor building unit, or the like. it is an object to provide a method of constructing Zo及 beauty unit housing.

In order to achieve this object, the unit building structure according to the present invention is configured such that an upper floor building unit is stacked on a lower floor building unit, and the upper beam of the lower floor building unit and a lower beam of the upper floor building unit are stacked. in the unit building structure was interposed Harima damping material, the Harima damping material in a longitudinal direction between the upper beam and Rutotomoni is matched with the longitudinal direction of the lower beam, the Harima damping material of the upper beam and the A predetermined amount is projected laterally from between the lower beam and the lower beam .

  Here, a plurality of the lower-floor building units and the upper-floor building units are arranged side by side, the adjacent lower-floor building units each have an adjacent upper beam, and the adjacent upper-floor building units are adjacent. Each of the upper beams is provided with a lower beam, and the inter-beam damping material is disposed between the adjacent upper beams and between the lower beams on the upper beams. And

  In addition, a plurality of the lower floor building units and the upper floor building units are arranged side by side, the adjacent lower floor building units each have an adjacent upper beam, and the adjacent upper floor building units are adjacent to each other. A lower beam facing each upper beam, and the inter-beam damping material is disposed adjacent to each other between each adjacent upper beam and each lower beam on each upper beam. It is characterized by.

Furthermore, the vibration damping material between beams used in the construction method of the unit house below includes a vibration damping plate body in which a plurality of synthetic resin plates and a metal plate fixed with an adhesive layer between the synthetic resin plates are integrated. And an adhesive layer provided on the outer surface of the synthetic resin plate, and a release paper attached to the surface of the adhesive layer.

  Furthermore, in the construction method of the unit house of the present invention, when the unit building structure is constructed, after the lower floor building unit is installed, the release paper of the inter-beam damping material is peeled off from the adhesive layer, and the inter-beam control is performed. A vibration material is adhesively fixed on the upper beam of the lower floor building unit with the adhesive layer, and then the upper floor building unit is placed on the lower floor building unit, and the lower beam of the upper floor building unit is It is placed on the upper surface of the inter-beam damping material.

  As described above, in the unit building structure of the present invention, the upper-floor building unit is stacked on the lower-floor building unit, and the inter-beam control is provided between the upper beam of the lower-floor building unit and the lower beam of the upper-floor building unit. In the unit building structure in which the vibration material is interposed, the longitudinal direction of the inter-beam vibration damping material and the longitudinal direction of the upper beam and the lower beam are made to coincide with each other. The vibration control effect is improved by increasing the longitudinal rigidity of the upper beam and the lower beam without being affected by the width or the like of the lower beam of the upper floor building unit.

  In addition, a plurality of the lower floor building units and the upper floor building units are arranged side by side, the adjacent lower floor building units each have an adjacent upper beam, and the adjacent upper floor building units are adjacent to each other. Each of the upper beams has a lower beam, and the inter-beam damping material is disposed between the adjacent upper beams and between the lower beams on the upper beams. The damping effect is improved by increasing the longitudinal rigidity of the upper beam and the lower beam.

  Further, a plurality of the lower-floor building units and the upper-floor building units are arranged side by side, the adjacent lower-floor building units each have an adjacent upper beam, and the adjacent upper-floor building units are adjacent to each other. A lower beam facing each upper beam, and the inter-beam damping material is disposed adjacent to each other between each adjacent upper beam and each lower beam on each upper beam. Therefore, the rigidity in the longitudinal direction of the upper beam and the lower beam is increased to improve the vibration damping effect.

Further, the beam between the damping material, the damping plate body and secured to a metal plate is integrated with an adhesive layer and a plurality of synthetic resin plate to the synthetic resin plates, provided on the outer surface of the synthetic resin plate In the construction site where the unit building is constructed, the release paper is peeled off from the adhesive layer to form the upper beam and the lower beam. The part of the adhesive layer can be fixed.

  Furthermore, in the construction method of the unit house of the present invention, when constructing the unit building structure, after installing the lower floor building unit, the release paper of the inter-beam damping material is peeled from the adhesive layer, A damping material is adhesively fixed on the upper beam of the lower floor building unit with the adhesive layer, and then the upper floor building unit is placed on the lower floor building unit, and the lower beam of the upper floor building unit is placed. Is installed on the upper surface of the inter-beam damping material, so when constructing the unit building structure, after installing the lower floor building unit, the release paper of the inter-beam damping material is peeled off from the adhesive layer, The damping material can be easily adhered and fixed at a predetermined position on the upper beam of the lower-floor building unit with the adhesive layer. Moreover, by placing the upper floor building unit on the lower floor building unit in this state, the lower beam of the upper floor building unit is simply placed on the upper surface of the inter-beam damping material, and the inter-beam damping material is The upper floor building unit can be fixed on the lower floor building unit by being sandwiched between the beam and the lower beam.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
(1) First embodiment In FIGS. 1 (a) and 1 (b), 10 is a lower floor building unit constituting the first floor portion, and 11 is placed on the lower floor building unit 10 to constitute the second floor portion. It is an upper floor building unit. In the present embodiment, four lower-floor building units 10 and four upper-floor building units 11 are provided and arranged side by side in a rectangular shape vertically (see FIG. 1A).

  Moreover, as shown in FIG.1 (c), FIG.1 (d), the girder roof large beam 13,13 is provided as an upper beam in the adjacent upper corner of the above-mentioned adjacent lower floor building unit 10,10, Girder-floor large beams 14 and 14 are provided as lower beams at lower corners adjacent to the upper-floor building units 11 and 11 disposed on the lower-floor building units 10 and 10. The adjacent girder floor beams (lower beams) 14 and 14 and the adjacent girder roof beams (upper beams) 13 and 13 face each other vertically.

  Between the girder roof girder (upper beam) 13 and 13 and the girder girder (lower beam) 14 and 14, a beam spacing as shown in FIGS. 2 (a), 2 (b) and FIGS. A vibration member 15 is interposed. The inter-beam damping material 15 has a damping plate main body 16 as shown in FIG.

  The damping plate main body 16 includes UV cured acrylic plates (synthetic resin plates) 17a, 18a, 19a, rigid and elastic middle iron plates (metal plates) 20, 21 such as steel plates, an acrylic adhesive layer 17b, The structure is integrated by being sandwiched and laminated by 18b, 18c, and 19b. In addition, double-sided tapes 22 and 23 as adhesive layers are bonded to the outer layer of the damping plate body 16 together with release papers 24 and 25. The release paper 24 can be separated into a left release paper portion 24b and a right release paper portion 24c from the portion of the separation line 24a indicated by the broken line at the center in the width direction.

  The inter-beam damping material 15 having such a structure is disposed across the girder roof beams 13 and 13, the release paper 25 is peeled off from the double-sided tape 23, and the middle portions on both sides are disposed on the girder roof beams 13 and 13. The upper surface of 13 is adhesively fixed via a double-sided tape 23. The inter-beam damping member 15 is disposed between the lower portions of the girder floor beams 14 and 14, the release paper 24 is peeled off from the double-sided tape 22, and the middle portions on both sides are disposed on the girder floor beams 14 and 14. The adhesive is fixed to the lower part of the tape via a double-sided tape 22. In addition, both side edge portions of the inter-beam vibration damping material 15 protrude laterally from between the girder roof beams 13 and 13 and the girder floor beams 14 and 14.

  Moreover, the joint plate 26 is suspended between the upper parts of the girder floor beams 14 and 14, and both ends of the joint plate 26 are fixed by bolts 27 and 28. A fastening bolt 29 is disposed between the girder roof beams 13 and 13 and between the girder floor beams 14 and 14, and a head 29 a of the fastening bolt 29 is disposed across the beam roof beams 13 and 13. Yes. The upper end portion of the fastening bolt 29 penetrates the portion where the inter-beam damping material 15 is not present and the joint plate 26, and the upper end portion protrudes above the joint plate 26. A fixing nut 30 is screwed to the upper end portion of the fastening bolt 29.

  Next, the function of the unit building structure having such a configuration and the inter-beam damping material will be described. In order to construct such a unit building structure, the four lower-floor building units 11 are arranged side by side on the square, while the release paper 25 of the inter-beam vibration damping material 15 is peeled off from the double-sided tape 23 and the inter-beam vibration damping material. The intermediate portions of both sides of 15 are adhered and fixed to the upper surfaces of the adjacent girder roof beams 13 and 13 of the adjacent lower-floor building units 10 and 10 through a double-sided tape 23. At this time, both side edge portions of the inter-beam damping material 15 are projected by a predetermined amount from the opposite ends of the girder roof beams 13 and 13.

  Next, after releasing one of the left release paper portion 24b and the right release paper portion 24c of the release paper 24 provided on the beam damping material 15 from the double-sided tape 22, the left release paper portion 24b and the right release paper portion 24c. The upper-floor building unit 11 is placed on the lower-floor building unit 10 located on the peeled side, and the upper-floor building unit 11 is adhesively fixed to the inter-beam damping material 15 via the double-sided tape 22. Further, after the other of the left release paper portion 24b and the right release paper portion 24c is peeled off from the double-sided tape 22, the upper floor building unit 11 is placed on the lower floor building unit 10 on the other peeled side. The upper floor building unit 11 is adhesively fixed to the inter-beam vibration damping material 15 via the double-sided tape 22.

  Thereafter, the joint plate 26 is bridged between the upper parts of the girder floor beams 14 and 14, and both ends of the joint plate 26 are fixed with bolts 27 and 28. Then, the fastening bolt 29 is inserted into the girder roof beams 13 and 13 upward from the lower side, and the portion without the inter-beam damping material 15 and the joint plate 26 are penetrated by the fastening bolt 29, and the upper end portion of the fastening bolt 29 Projecting above the joint plate 26. Next, by fixing the fixing nut 30 to the upper end portion of the fastening bolt 29, the adjacent girder roof beams 13 and 13 and the girder floor beams 14 and 14 are fixed.

According to this configuration, the inter-beam damping material 15 protrudes by a predetermined amount laterally between the girder roof girder (upper beam) 13 and 13 and the girder girder (lower beam) 14 and 14. If the structure, strength, thickness, etc. are the same, the rigidity in the longitudinal direction is as much as it protrudes laterally from between the girder roof girder (upper beam) 13, 13 and the girder floor girder (lower beam) 14, 14. This will increase the vibration control effect.
(2) Second Embodiment FIGS. 5 to 11 show a second embodiment of the present invention. Since the configuration of the present embodiment is substantially the same as that of the first embodiment, the same or similar portions are denoted by the same reference numerals as those of the first embodiment and description thereof is omitted.

  The first point of this embodiment that is different from the first embodiment is that the inter-beam vibration damping material 15 of the first embodiment is similar to the structure shown in FIGS. 5 (c) to 5 (e) and FIGS. It is in the point replaced with the beam damping material 15 'between beams. The inter-beam vibration damping material 15 ′ holds the release papers 24 ′ and 25 ′ on the half of the double-sided tapes 22 and 23 in the width direction, and the outer half of the double-sided tapes 22 and 23 on the other half in the width direction. An example in which the metal plates 31 and 32 are fixed by adhesion.

  The inter-beam damping members 15 ′ and 15 ′ are provided between the adjacent girder roof beams (upper beams) 13 and 13 and the girder floor beams (lower beams) 14 and 14 on the girder roof beams 13. Each is intervened. At this time, in a state where the release papers 24 ′ and 25 ′ are peeled off from the double-sided tapes 22 and 23, the double-sided tapes 22 and 23 allow the beam damping material 15 ′ to be half of the width direction with the girder roof beams (upper beams) 13. The girder floor girder (lower beam) 14 is adhesively fixed. Moreover, if the space between the adjacent girder roof beams (upper beams) 13 and 13 and the girder floor beams (lower beams) 14 and 14 is 33, the inter-beam damping members 15 'and 15' are provided with outer iron plates 31 and 32, respectively. The protruding portion protrudes on the side opposite to the space 33 (inside the room).

  As a result, the beam-damping members 15 'and 15' have opposite side edges between one girder roof girder 13 and girder floor girder 14 and the other girder roof girder 13 and girder floor girder 14 adjacent to each other. It protrudes from between.

  Next, the function of the unit building structure having such a configuration and the inter-beam damping material will be described. In order to construct such a unit building structure, the four lower-floor building units 11 are arranged side by side on the square, while the release paper 25 'of the inter-beam damping material 15' is double-sided tape 23 as shown in FIG. The double-sided tape 23 is attached to the upper surface of the adjacent girder roof beams 13 and 13 of the adjacent lower floor building units 10 and 10 in FIG. Then, as shown in FIG. At this time, the other side edge portion side of the inter-beam damping material 15 ′, that is, the portion provided with the outer iron plates 31, 32 is projected from the girder roof beam 13 to the living room side.

  Thereafter, the release paper 24 ′ provided on the inter-beam damping material 15 ′ is peeled from the double-sided tape 22, and the upper floor building units 11, 11 are placed on the lower floor building units 10, 10, and the upper floor building. The units 11 and 11 are adhesively fixed to approximately half of the adjacent beam damping members 15 ′ and 15 ′ via the double-sided tape 22.

  Thereafter, the joint plate 26 is bridged between the upper portions of the girder floor beams 14 and 14 as described above, and both ends of the joint plate 26 are fixed with bolts 27 and 28. Then, the fastening bolt 29 is inserted through the girder roof beams 13 and 13 upward from the lower side, and at the portion where the fastening bolt 29 does not have the inter-beam damping materials 15 and 15 '(for example, the inter-beam damping material 15' shown in FIG. 10). , 15 ′) and the joint plate 26, and the upper end of the fastening bolt 29 protrudes above the joint plate 26. Next, by fixing the fixing nut 30 to the upper end portion of the fastening bolt 29, the adjacent girder roof beams 13 and 13 and the girder floor beams 14 and 14 are fixed.

  According to this configuration, the inter-beam damping members 15 ′ and 15 ′ protrude from the space between the girder roof girder (upper beam) 13 and 13 and the girder floor girder (lower beam) 14 and 14 by a predetermined amount. Therefore, if the material, structure, strength, thickness, etc. are the same, only the part protruding laterally from between the girder roof girder (upper beam) 13, 13 and the girder girder (lower beam) 14, 14 The rigidity in the longitudinal direction is increased and the vibration damping effect is improved. That is, as indicated by the thick line 40 in FIG. 11A, the sound pressure level L60 of the reference heavy floor impact sound is equal to or lower than that at each measurement frequency H1 to H7. The sound pressure of the heavy floor impact sound at the measurement frequencies H1 to H7 was 83, 71, 60, 53, 43, 38, and 32 [dB], respectively, as shown in FIG.

  Also, the upper-floor building unit 11 is placed on the lower-floor building unit 10, and before moving on the foundation, the inter-beam damping materials 15, 15 ′ and the like are placed on the girder roof girder (upper beam) 13 and girder-floor girder (lower beam). ) 14 and can be used in the unit building construction method disclosed in JP-A-8-151687.

(A) is a top view which shows 1st Example of the unit building concerning this invention, (b) is a schematic perspective view of the unit building of (a), (c) is a key line along the AA line of (a). Partial sectional view, (d) is an enlarged explanatory view of (c). (A) The top view of the damping material between beams of FIG.1 (b), (c), (b) is a bottom view of the damping material between beams of (a). It is a schematic sectional explanatory drawing which follows the BB line of Fig.2 (a). FIG. 4 is an enlarged explanatory view of FIG. 3. (A) is a top view which shows 2nd Example of the unit building concerning this invention, (b) is a schematic perspective view of the unit building of (a), (c) is a key line along the CC line of (a). Partial sectional view, (d) is an enlarged explanatory view of (c). It is a top view of the damping material between beams of Drawing 5 (b) and (c). FIG. 7 is a schematic cross-sectional explanatory view taken along the line DD in FIG. 6. FIG. 8 is an enlarged explanatory diagram of FIG. 7. It is explanatory drawing at the time of attaching the damping material between beams of FIG. 5 on a lower floor building unit. It is explanatory drawing after attaching the damping material between beams of FIG. 5 on a lower floor building unit. (A) is a characteristic diagram of the floor impact sound level by the inter-beam damping material shown in FIG. 5, (b) is an explanatory diagram of the sound pressure level of (a). It is explanatory drawing of the conventional inter-beam damping material.

Explanation of symbols

10 ... Lower floor building unit 11 ... Upper floor building unit 13 ... Girder roof girder (upper beam)
14 ... Girder floor girder (lower beam)
15 ... Damping material between beams 16 ... Damping plate body 17a, 18a, 19a ... UV cured acrylic plate (synthetic resin plate)
18b, 18c ... Acrylic adhesive layers 20, 21 ... Middle iron plates 22, 23 ... Double-sided tape (adhesive layer)
24, 24 ', 25, 25' ... release paper 31, 32 ... outer iron plate

Claims (4)

In the unit building structure in which the upper-floor building unit is stacked on the lower-floor building unit, and the inter-beam damping material is interposed between the upper beam of the lower-floor building unit and the lower beam of the upper-floor building unit,
The longitudinal direction of the inter-beam damping material is matched with the longitudinal direction of the upper beam and the lower beam, and the inter-beam damping material is protruded by a predetermined amount laterally from between the upper beam and the lower beam. Unit building structure characterized by that.   A plurality of the lower-floor building units and the upper-floor building units are arranged side by side, the adjacent lower-floor building units each have an adjacent upper beam, and the adjacent upper-floor building units are adjacent to the upper portions. A lower beam respectively opposed to the beam, wherein the inter-beam damping material is disposed between the adjacent upper beams and between the lower beams on the upper beams. The unit building structure according to Item 1.   A plurality of the lower-floor building units and the upper-floor building units are arranged side by side, the adjacent lower-floor building units each have an adjacent upper beam, and the adjacent upper-floor building units are adjacent to the upper portions. A lower beam facing each of the beams, and the inter-beam damping material is disposed adjacent to each other between the adjacent upper beams and the lower beams on the upper beams. The unit building structure according to claim 1. When constructing the unit building structure according to any one of claims 1 to 3, after installing the lower-floor building unit , an adhesive layer is fixed between a plurality of synthetic resin plates and the synthetic resin plates. A release paper of a vibration damping material between beams comprising a vibration damping plate main body integrated with a metal plate, an adhesive layer provided on the outer surface of the synthetic resin plate, and a release paper attached to the surface of the adhesive layer. Peeling from the adhesive layer, the beam damping material between the beams is adhesively fixed on the upper beam of the lower floor building unit with the adhesive layer, and then the upper floor building unit is placed on the lower floor building unit. A method for constructing a unit house, wherein the lower beam of the upper floor building unit is placed on the upper surface of the inter-beam damping material.

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