JP4528057B2 - Reinforcement structure of unit building - Google Patents

Description

  The present invention relates to a reinforcing structure for a unit building.

  There exists a thing of patent document 1 as a reinforcement structure of the building unit which comprises a unit building. As shown in FIGS. 4 to 6, in the unit building 100, four building units 110 are arranged to face each other in each of the lower floor portion 100 </ b> A and the upper floor portion 100 </ b> B, and the lower floor reinforcing beam 300 and the upper floor reinforcing beam are arranged. 400 between the ceiling beams 230, 230 of the two building units 110 facing each other on the left and right sides, and between the ceiling beams 230, 230 of the other two building units 110 facing each other on the left and right sides. It was established over Then, both ends of the reinforcing beams 300 and 400 are connected to the column 210 by friction bonding with the ceiling beam 230 and the joint piece 230A using high-strength bolts, and the central portions of the reinforcing beams 300 and 400 are using high-strength bolts. It is connected to the column 210 by friction bonding with the ceiling beam 230 and the joint piece 230A.

Or although it is not a unit building, there exists a thing of patent document 2 as a construction method which reinforces a bridge. As shown in FIG. 7, the method of reinforcing the bridge is to reinforce the bridge by introducing a tensile force into the main girder 500 using a PC steel strand 600 or a PC steel bar as the main girder of the temporary bridge. It is a construction method.
Japanese Patent Laid-Open No. 10-25815 Japanese Patent Laid-Open No. 9-3823

In the conventional unit building reinforcement structure of FIGS. 4 to 6 shown in Patent Document 1, the cross section performance can be improved because the reinforcement beam (H) is large. However, it is necessary to process the upper surface of the reinforcing beam into a shape that conforms to the roof slope, and the beam thickness is small at the column abutting portion (400A) and large at the other portion (400B). There was a problem that the cost of the parts was also high. Further, the reinforcing beam is limited to a direction along the roof slope (wife direction).
Further, the method for reinforcing a temporary bridge shown in Patent Document 2 shown in FIG. 7 can be used for a temporary bridge having a long span length (540), which is economically advantageous and shortens the construction period. However, this construction method is a construction method that supports tension between abutments 550 (span length 540) by introducing tension to each of a plurality of super large main girders (500) such as bridges, and is for general buildings such as unit buildings. is not.

  An object of the present invention is to provide a reinforcing structure of a unit building that can reinforce the lack of rigidity of a ceiling beam directly under the roof of the unit building due to heavy snow without affecting the design plan or the like at a low cost.

  The invention of claim 1 is a construction of a building unit adjacent in the direction of a girder (long side) of a unit building constructed by installing a plurality of building units in which columns, floor beams, and ceiling beams are joined in a box shape, adjacent to each other in the front, rear, left, and right directions. It is a reinforcement structure that introduces the tension of piano wire between the ceiling beam and the ceiling beam. The piano wire is ceiling from the column head of the column on the one outer wall side of the building unit adjacent in the girder (long side) direction. Between the beam and the ceiling beam, it is provided between the column heads of the columns on the other outer wall side, and a tension is introduced between the ceiling beam and the ceiling beam by inputting a predetermined tension into the piano wire. Thus, the structure of the unit building is characterized in that the rigidity of both ceiling beams is reinforced.

  The invention of claim 2 is a construction of a building unit adjacent in the direction of a girder (long side) of a unit building constructed by installing a plurality of building units in which columns, floor beams and ceiling beams are joined in a box shape adjacent to each other in the front, rear, left and right directions. It is a reinforcement structure that introduces the tension of piano wire between the ceiling beam and the ceiling beam, and it is adjacent in the wife (short side) direction on one outer wall side of the building unit adjacent in the girder (long side) direction Columns and column heads are provided across the column heads, and the ceiling beam adjacent to the wife (short side) and the adjustment fulcrum provided on the same side of the ceiling beam, the ceiling beam The middle fulcrum provided at approximately the middle lower part in the length direction of the ceiling beam, the adjustment fulcrum provided on the side surface in the same plane of the ceiling beam and the ceiling beam, the column head and girder of the column of the other building unit A piano wire crossing is provided across the column heads of the pillars of other building units adjacent in the (long side) direction, followed by the wife In the same plane of the ceiling beam adjacent in the (short side) direction, the adjustment fulcrum, the middle fulcrum, and the adjustment fulcrum are similarly provided. A piano wire stop is provided across the head of the column, and the rigidity of both ceiling beams is reinforced by inputting a predetermined tension to the piano wire and introducing tension between the ceiling beam and the ceiling beam. The unit building has a reinforcing structure.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the tension provided between the ceiling beam of the building unit adjacent to the girder (long side) direction of the unit building is the wife (short It is a reinforcing structure of a unit building characterized by being supported by pillars and pillars adjacent to each other in the (side) direction.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the tension provided between the ceiling beam of the building unit adjacent to the girder (long side) direction of the unit building is an adjustment fulcrum. The unit building has a reinforcing structure characterized in that it is possible to adjust the tension.

  The invention of claim 5 is the center fulcrum when the length (span) of building units adjacent to each other in the girder (long side) direction of the unit building is different in the invention of any of claims 1 to 4. The unit building is reinforced by adjusting the height of the unit.

  As the piano wire used in the present invention, various types such as a high-tensile steel wire and a steel wire can be used.

  According to the first and second aspects of the present invention, the piano wire passes between the ceiling beam and the ceiling beam from the column head of the column on the one outer wall side of the building unit adjacent to the girder (long side) direction of the unit building. Since it was installed between the column heads of the column on the other outer wall side, the vertical deformation of the ceiling beam was increased without affecting the design plan such as the reinforcement of the middle column for heavy snow. And a piano wire stop is provided across the column and the column head adjacent to each other in the wife (short side) direction on one outer wall side of the building unit adjacent in the girder (long side) direction, Adjustable fulcrum provided on the side of the ceiling beam adjacent to the wife (short side) and the same side of the ceiling beam, provided at the approximate middle lower part of the beam (long side) direction of the ceiling beam and ceiling beam The middle fulcrum, the adjustment fulcrum provided on the same side of the ceiling beam and the ceiling beam, the column of the other building unit Since the piano wire crossing is provided across the head of the pillar of another building unit adjacent to the head and the girder (long side) direction, the ceiling beam adjacent to the wife (short side) direction is integrated with the piano wire It is possible to suppress the deformation in the horizontal direction by increasing the rigidity in the horizontal direction and to improve the overall strength of the unit building.

  Also, because the rigidity between the ceiling beam and the ceiling beam is reinforced by inputting a predetermined tension to the piano wire and introducing a tension force between the ceiling beam and the ceiling beam, other reinforcing structures that introduce a reinforcing beam, etc. Compared to the above, the reinforcement structure of the unit building can be obtained at a low cost.

  According to invention of Claim 3, the tension | tensile_strength provided between the ceiling beam of the building unit adjacent to a girder (long side) direction and a ceiling beam is the column adjacent to the wife (short side) direction of an outer wall side, a column, and a stud. Therefore, it is supported by two columns, and a sufficient resistance to the tension of the piano wire can be obtained without increasing costs such as increasing the thickness of the columns.

  According to the fourth aspect of the present invention, the tension provided between the ceiling beams of the building units adjacent to each other in the girder (long side) direction can be adjusted with the adjustment fulcrum. The tension can be increased as necessary, such as a lack of tension due to the elongation of the piano wire.

  According to the invention of claim 5, when the length (span) of the building units adjacent in the girder (long side) direction is different, it can be handled by adjusting the height of the middle fulcrum, Since the distance in the height direction of the middle fulcrum can be increased according to the length of the ceiling beam, the optimum tension can be obtained.

  Fig. 1 (a) is a plan view showing a unit building, (b) is an elevation view, Fig. 2 (a) is a schematic diagram showing a reinforcing structure of a ceiling beam, (b) is a plan view, and Fig. 3 is an adjustment. It is a schematic diagram which expands and shows a fulcrum.

  As shown in FIG. 1, the unit building 10 includes four building units 11 that form a lower floor portion 10 </ b> A and four building units 11 that form an upper floor portion 10 </ b> B.

  In the unit building 10, four building units 11 are arranged to face each other in each of the lower floor portion 10 </ b> A and the upper floor portion 10 </ b> B, and the reinforcement structure 40 by the tension force of the piano wire 41 on the ceiling beam 23 of the upper floor portion 10 </ b> B. Is provided. As shown in FIG. 1 and FIG. 2, the reinforcing structure 40 is provided between the ceiling beams 23 and 23 of the two building units 11 facing the wife (short side) direction on the left and right sides, and on the other side of the left and right sides. It is provided across the ceiling beams 23 of the other two building units 11 facing each other in the direction of the girder (long side).

  The reinforcing structure 40 has a stop 42 of the piano wire 41 straddling the column 21 adjacent to the wife (short side) direction and the column head 211 of the column 21 on one outer wall side of the building unit 11 adjacent in the girder (long side) direction. The piano wire 41 passes through the first adjustment fulcrum 43 provided on the side surface in the same plane of the ceiling beam 23 and the ceiling beam 23 adjacent to the wife (short side) direction from the stop 42, A second fulcrum 43 for adjustment provided on a side surface in the same plane of the ceiling beam 23 and the ceiling beam 23 passes through the middle fulcrum 44 provided in the middle lower portion of the ceiling beam 23 in the longitudinal direction. Passing through the crossing 45 provided across the column head 211 of the column 21 of the other building unit 11 adjacent to the column head 211 of the column 21 of the other building unit 11 adjacent to the column 21 of the other same building unit 11, Subsequently, three in the same plane of the ceiling beam 23 adjacent to the wife (short side) direction. Is provided across the column head 21 and the column head 211 of the column 21 adjacent to each other in the direction of the wife (short side) on the other side through the adjustment fulcrum 43, the middle fulcrum 44, and the fourth adjustment fulcrum 43. The piano wire is stopped at the stop 42 by a predetermined tension.

  As shown in FIG. 3, the adjustment fulcrum 43 is attached to a column 432 whose height is adjusted by a bolt 433 from a lower portion 231 of the ceiling beam 23, and a support plate 434 with the tip 435 of the column 432 as an axis. Is attached to the ring 431 of the adjustment fulcrum. The ring 431 has a recess 436 on the inner side in the circumferential direction, and the piano wire 41 is introduced into the recess 436.

  The piano wire 41 is screwed in the direction of the arrow 1 by rotating the bolt 433. Then, the tip 435 and the support plate 434 descend, and the ring 431 rotates in the arrow 2 direction. The ring 431 rotates around the eccentric shaft G, and as a result, the piano wire is pushed downward and the tension increases. On the other hand, the eccentric shaft G obtains an upward reaction force, and the rigidity of the ceiling beam 23 against the vertical load can be increased to suppress the vertical deformation. Note that the axis G is fixed to the beam 23 so that the piano wire 41 passes through the recess 436 so as to be in contact with the portion having the smallest axial distance.

  Further, as shown in FIG. 2B, the piano wire 41 is provided across the pillar 21 of the building units 11 and 11 and the pillar heads 211 and 211 of the pillar 21 adjacent to each other on the outer wall side in the wife (short side) direction. 2, the fulcrum 43 for adjustment and the middle fulcrum 44, which are locked between the adjacent ceiling beams 23, 23, and locked to the E-shaped locking portion 421 of the stop 42. Further, an adjustment fulcrum 43, a crossover 45, an adjustment fulcrum 43 (not shown) provided between the ceiling beams 23, 23 of the next building unit 11, an intermediate fulcrum 44, an adjustment fulcrum 43, and the other side It is locked to an E-shaped locking portion 421 of a stop 42 provided across the column heads 211 and 211 of the columns 21 and 21, and a predetermined tension is input to generate a tension force. Since the tension generated by the piano wire is sandwiched between two ceiling beams 23 and 23 adjacent to each other in the wife (short side) direction, the rigidity against the horizontal load is increased and the horizontal deformation ( (Lateral buckling) can be suppressed. Therefore, as described above, the rigidity in the vertical direction is increased and the rigidity in the horizontal direction is also increased, so that the overall strength of the unit building 10 can be improved.

  The tension provided between the ceiling beam 23 and the ceiling beam 23 of the building units 11 and 11 adjacent to each other in the girder (long side) direction is the column 21 and column 21 adjacent to the outer wall side in the wife (short side) direction and not shown. Since it is supported by the intermediate pillars, the two pillars 21 and the intermediate pillars will be opposed to the tension force, so that the pillars 21 can sufficiently compete with the conventional specifications and do not increase the cost.

  Although not shown in the figure, when the lengths (spans) of the building units 11 and 11 adjacent to each other in the girder (long side) direction are different, the height of the middle fulcrum 44 can be changed. That is, when the building units 11a and 11b are adjacent in the girder (long side) direction, when the span length is 11a <11b, the center fulcrum provided in 11a is set to 44a and the center fulcrum provided in 11b is set to 44b. Then, the height of the middle fulcrum 44 is 44a <44b. Therefore, in the building units 11a and 11b adjacent to each other in the girder (long side) direction, the tension between the spans 11b is increased by increasing the distance in the height direction between the cross 45 and the middle fulcrum 44b in the direction 11b having a long span. The force can be increased, the vertical rigidity of the span 11b can be increased, and the deformation in the vertical direction can be suppressed.

  Further, it is possible to increase the tension of the building units 11 and 11 adjacent to each other in the girder (long side) direction by the fulcrum 43 for adjustment at the fulcrum 43 for adjustment, and the fulcrum 43 for adjustment when necessary or in maintenance. Tension can be increased by tightening and tightening. For example, when a lack of rigidity (deflection) of the roof beam is recognized due to heavy snow, etc., more than expected, it can be dealt with by increasing the piano wire.

  The embodiment of the present invention has been described with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. Included in the invention. For example, the present invention can be applied not only to a building unit but also to a general building.

(A) is a top view which shows a unit building, (b) is an elevation. (A) is a schematic diagram which shows the reinforcement structure of a ceiling beam, (b) is a top view. It is a schematic diagram which expands and shows an adjustment fulcrum. The conventional reinforcement structure is shown, (a) is a top view which shows a unit building, (b) is an elevation. The conventional reinforcement structure is shown, (a) is a schematic diagram which shows an upper floor reinforcement beam, (b) is a top view. It is a schematic diagram which shows the accommodation between the units of a reinforcement beam. (A) is a side view which shows another reinforcement structure, (b) is a partial enlarged view.

Explanation of symbols

10 unit building 11 building unit 21 pillar 23 ceiling beam 23A joint piece 40 reinforcement structure 41 piano wire 42 stop 43 fulcrum 44 for adjustment middle fulcrum 45 crossover

Claims (5)

  A unit constructed by installing multiple building units with columns, floor beams, and ceiling beams joined in a box shape, adjacent to each other in the front, rear, left, and right direction. Is a reinforcement structure that introduces the tension of the piano wire, and the piano wire passes between the ceiling beam and the ceiling beam from the column head of the column on the one outer wall side of the building unit adjacent in the girder (long side) direction. It is installed between the heads of the pillars on the other outer wall side, and the rigidity of both ceiling beams is introduced by applying a predetermined tension to the piano wire and introducing tension between the ceiling beams. Reinforcement structure of unit building, characterized in that is reinforced.   A unit constructed by installing multiple building units with columns, floor beams, and ceiling beams joined in a box shape, adjacent to each other in the front, rear, left, and right direction. This is a reinforcement structure that introduces the tension of the piano wire, and the column heads of the columns and the column heads adjacent to each other in the wife (short side) direction on one outer wall side of the building unit adjacent in the girder (long side) direction A piano wire stop is provided across the bridge, and the fulcrum for adjustment provided on the side of the ceiling beam adjacent to the wife (short side) and the same surface of the ceiling beam, the length direction of the ceiling beam and the ceiling beam Adjacent to the middle fulcrum provided in the middle lower part, the adjustment fulcrum provided on the same side of the ceiling beam and the ceiling beam, the column head of the other building unit and the column (long side) direction Piano wire crossing is provided across the heads of the pillars of other building units that perform, followed by the wife (short side) direction In the same plane of the ceiling beam, the adjustment fulcrum, middle fulcrum, and adjustment fulcrum are provided in the same way, and the column and the column head of the column adjacent to each other in the direction of the wife (short side) of the other building unit. The unit is characterized in that a piano wire stop is provided across and the rigidity of both ceiling beams is reinforced by applying a predetermined tension to the piano wire and introducing a tension between the ceiling beam and the ceiling beam. Reinforcement structure of the building.   The tension provided between the ceiling beams of the building units adjacent in the unit building's girder (long side) direction is supported by adjacent columns, columns, and studs in the direction of the wife (short side) on the outer wall side. The reinforcing structure of a unit building according to claim 1 or 2.   2. The tension force provided between the ceiling beams of the building units adjacent to each other in the direction of the girder (long side) of the unit building can be adjusted with a fulcrum for adjustment. The reinforcement structure of the unit building in any one of -3. When the length (span) of building units adjacent to each other in the direction of the girder (long side) of the unit building is different, it is possible to cope by adjusting the height of the middle fulcrum. Item 5. A reinforcing structure for a unit building according to any one of items 1 to 4.

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