JP4124751B2 - Structure - Google Patents

Description

  The present invention relates to a structure using a structural pillar.

  In the building 10 in which the upper housing 30 and the lower housing 40 are configured with the floor body 55 as a boundary, as shown in FIG. 5, the joint is erected on the ground 20 while being attached to the upper end portion of the structural pillar 51. The structure using the structure 50 in which the upper column 54 is erected on the upper surface of the member 53 and the floor portion 57 is constructed by joining the beam portion 56 to the side surface of the joining member 53 to construct the floor portion 57. There is. And as a method of constructing the building 10 using the structure 50, the lower housing 40 is placed below the floor body 55 while constructing the upper housing 30 on the floor body 55 using the floor body 55 as a work area. There is a reverse construction method to build. In this reverse driving method, since the construction work of the upper housing 30 and the lower housing 40 can proceed simultaneously, the building 10 can be constructed efficiently and in a short time.

Here, in the reverse driving method, the joining member 53 has a vertical reinforcing bar 52a protruding from the upper surface and an axial reinforcing bar 56a of the beam portion 56 passing therethrough.
Then, the floor 55 is constructed on the side surface of the joining member 53, and the reinforcing bars 52a protruding from the upper surface of the joining member 53 are inserted into the upper support column 54 and fixed, whereby the upper support member 54 and the joining member 53 are fixed. The floor body 55 is firmly joined (for example, refer to Patent Document 1).

Further, the structural pillar 51 to which the joining member 53 is attached is embedded in the ground 20 with the upper end portion being inserted into the joining member 53, and the axial force of the upper housing 30 and the lower housing 40 is applied to the ground 20. It is transmitted in.
JP-A-2-101237 (2nd page, upper left column, lines 7-12)

However, in the above-described configuration, since the load of the floor body 55 joined to the side surface of the joining member 53 acts on the side surface of the construction column 51, the adhesion force between the side surface of the construction column 51 and the joining member 53 is increased. It is necessary to transmit the load reliably. Therefore, a large number of loop streaks (not shown) are arranged around the construction column 51 in the joining member 53, or a plurality of stud bolts 58 are attached to the side surface of the construction column 51 in the joining member 53. The adhesive force between the true pillar 51 and the joining member 53 is increased. As a result, the number of members disposed in the joining member 53 is increased, and when the joining member 53 is formed, it is necessary to consider the placement of each member, and thus the work of forming the joining member 53 becomes complicated. There's a problem.
Further, when arranging the true pillar 51 in the joining member 53, it is necessary to consider interference between a plurality of stud bolts 58 attached to the side surface of the true pillar 51 and other members in the joining member 53. For this reason, there is a problem in that the construction work of the structural pillar 51 becomes complicated.

  Therefore, in the present invention, the above-mentioned problem is solved, and the joining of the structural pillar, the lower support column, the joining member, the floor body, and the upper support column is simplified, and the axial force of the structure is reliably grounded by the structural support column. It aims at providing the structure provided with big supporting force by transmitting in.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a structural body having a reinforcing bar protruding in an axial direction from the upper surface, and below the floor body which is a boundary between the upper housing and the lower housing. A joint member that is joined to the upper surface of the lower strut with the lower strut standing on the ground and the reinforcing bar protruding from the upper surface of the lower strut, and can join the floor to the side And an upper column that is erected on the upper surface of the joining member, and a structural pillar that is embedded in the ground while being inserted into the lower column without protruding from the upper surface of the lower column. It is characterized by that.

Here, as long as the lower column is a column having a reinforcing bar protruding in the axial direction from the upper surface, the material and the shape thereof are not limited. For example, a configuration using a reinforced concrete precast member It can be.
In addition, as long as the joining member is a member that can insert a reinforcing bar protruding from the upper surface of the lower support column, the material and shape thereof are not limited. For example, the joining member of the reinforcing bar protruding from the upper surface of the lower support column Corresponding to the position, a reinforced concrete precast member in which a vertical hole is formed can be used.
Furthermore, the material and shape of the upper support column are not limited as long as the upper support column can be erected on the upper surface of the joining member. For example, a configuration using a reinforced concrete precast member or a reinforced concrete structure in a steel pipe is used. It can be set as the structure using the reinforced concrete steel pipe column which inserted this column.

As described above, the load of the floor bonded to the side surface of the joining member is compressed from the joining member by disposing the upper end portion of the structural pillar directly under the joining member without being inserted into the joining member. Since the force is transmitted to the structural column as a force, the axial force of the structural body can be effectively transmitted to the structural column compared to the configuration in which the load of the floor body acts on the side surface of the structural column in the joint member. Can do.
In addition, since the axial force of the structure can be transmitted to the construction pillar without inserting the upper end of the construction pillar into the joining member, it is possible to increase the adhesion of the construction pillar and the construction pillar. Since it is not necessary to arrange the loop streaks in the joining member and the number of members arranged in the joining member is reduced, the configuration of the joining member can be simplified.
Furthermore, since the load of the floor joined to the side surface of the joining member is transmitted to the construction column as a compressive force from the joining member, a member such as a stud bolt is attached to the side surface of the construction column. Since it is not necessary to increase the adhesion between the column and the lower column, the structure of the structural pillar can be simplified, and the construction work of the structural column can be simplified.
In addition, since the reinforcing bars protruding from the upper surface of the lower column are inserted into the bonding member, displacement of the bonding member and the lower column is prevented, so that the bonding member and the lower column can be bonded firmly with high accuracy. it can.
Moreover, when the present invention is applied to a configuration in which the upper column is bonded to the upper surface of the bonding member by embedding anchor bolts that can be attached to the lower end of the upper column in the bonding member, the number of members in the bonding member is small. Therefore, it is possible to secure a wide area where the anchor bolt can be attached to the upper surface of the joining member, and it is possible to join the upper columns of various shapes to desired positions.

  The invention according to claim 2 is the structure according to claim 1, wherein the reinforcing bar protruding from the upper surface of the lower support is inserted into the upper support through the joining member. It is characterized by.

  As described above, the reinforcing bar of the lower column penetrates the joining member and is inserted into the upper column, so that the joint or joint portion between the reinforcing bar of the lower column and the reinforcing bar of the upper column is inserted into the bonding member. Since it becomes unnecessary to provide, the structure of a joining member can be simplified.

  The invention according to claim 3 is the structure according to claim 1 or claim 2, wherein the lower support column is provided with a through hole into which the structure column can be inserted, and the structure column Is inserted into the through hole.

Thus, the construction work of the construction pillar and the lower support can be simplified by inserting the construction pillar into the through hole provided in the lower support.
In addition, when the inner diameter of the through hole provided in the joining member is formed larger than the outer diameter of the structural pillar, and when the structural pillar is inserted into the through hole, the ground is formed. Since the position of the lower support can be moved by the distance of the gap with respect to the structural pillar embedded in the structure, the construction accuracy of the structure can be increased.

  The invention according to claim 4 is the structure according to any one of claims 1 to 3, wherein the top surface of the stem column has a larger area than the top surface of the stem column. A plate-like member having a horizontal surface is provided.

  Here, the upper surface of the structural pillar is the upper surface of the member itself that becomes the structural pillar, and has the same shape as the cross-sectional shape of the member.

  In this way, by supporting the joining member on the stem pillar through the plate-like member having a horizontal surface with a larger area than the top surface of the stem pillar, for example, the two webs of H-shaped steel are orthogonal to each other. Even when it is not possible to secure a sufficient area of the upper surface of the structural pillar, such as when using a structural pillar in which the axial direction of the H-shaped steel is arranged in the vertical direction, the plate-like shape cannot be secured. Since the member can sufficiently secure the area of the upper surface of the true pillar, the compressive force from the joining member can be reliably transmitted to the true pillar.

  According to such a structure, the axial force of the structure is transmitted by transmitting the floor load from the joining member to the construction pillar as a compressive force without inserting the upper end of the construction pillar into the joining member. Can be effectively transmitted to the ground, so that the support force of the structure can be increased. Further, since the number of members arranged in the joining member is reduced, the forming operation of the joining member can be simplified. Thereby, since the construction work of the structure can be simplified, a structure having a sufficient supporting force can be efficiently constructed.

Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate. FIG. 1 is a diagram showing a construction column placing process according to an embodiment of the present invention, in which (a) is a side sectional view showing a state where a construction column is placed on the ground, and (b) is a construction. It is a top view of a pillar. FIG. 2 is a view showing a lower strut erection process and a joining member installation process according to the embodiment of the present invention, and (a) is a side sectional view showing a state in which the lower strut is erected on the ground. ) Is a side sectional view showing a mode of joining a joining member to the upper surface of the lower support column. FIG. 3 is a side sectional view showing a state in which the upper column is erected on the upper surface of the joining member, showing the upper column erection process according to the embodiment of the present invention. FIG. 4 is a view showing another structure of the structural body according to the embodiment of the present invention, and is a side sectional view showing a structure using a reinforced concrete steel pipe column as an upper support column.
In the present embodiment, as shown in FIG. 3, the upper housing 30 constructed above the floor body 5 and the lower housing 40 constructed below the floor body 5 with the floor body 5 being the first floor as a boundary. A case where the structure 1 of the present invention is used in a building 10 composed of

First, the structure of the structure 1 which concerns on embodiment of this invention is demonstrated.
As shown in FIG. 3, the structure 1 includes a lower column 3 standing on the ground 20 below the floor 5, which is a boundary between the upper frame 30 and the lower frame 40, and an upper surface of the lower column 3. The lower support column 3 does not protrude from the upper surface of the bonding member 4 bonded to the floor 5 on the side surface, the upper column 6 standing on the upper surface of the bonding member 4, and the lower column 3. It is comprised from the construction pillar 2 embed | buried in the ground 20 in the state inserted in the inside. The structural pillar 2 is a member for transmitting the axial force of the structure 1 into the ground 20, and the structural pillar 2 is joined to the side surface of the joining member 4 by being disposed immediately below the joining member 4. The load of the floor 5 is transmitted to the structural pillar 2 as a compressive force from the joining member 4.

As shown in FIG. 1B, the structural pillar 2 is joined so that two H-shaped steels 2b and 2c having the same interval between both flanges are orthogonal to each other. . Specifically, the web part of one H-shaped steel 2c is cut to produce two T-shaped steels, and the web part of each T-shaped steel is joined so as to be orthogonal to the web part of the other H-shaped steel 2b. ing. And as for the structure pillar 2, the lower end part is embed | buried in the ground 20 in the state which has arrange | positioned the axial direction of H-shaped steel 2b, 2c to the perpendicular direction (refer Fig.1 (a)). Reference numeral 2a denotes a top plate provided on the upper surface of the stem column 2. The top plate 2a is a square horizontal surface formed with the same width as the interval between both flange portions of the H-shaped steels 2b and 2c. It is a plate-shaped member which has. That is, as shown in FIG. 3, the top plate 2 a having a horizontal plane with a larger area than the cross-sectional shape appearing on the top surface of the construction column 2 is provided on the top surface of the construction column 2. Yes. Thereby, the area of the upper surface of the stem pillar 2 can be sufficiently secured.
Moreover, since the load of the floor 5 joined to the side surface of the joining member 4 is transmitted to the construction column 2 as a compressive force from the joining member 4, a stud bolt is applied to the side surface of the construction column 2 as in the prior art. Etc., and the structural pillar 2 can reliably transmit the axial force of the building 10 into the ground 20 without increasing the adhesion to the lower support column 3, and the construction of the structural pillar 2 is simplified. Yes.

  The lower column 3 is a column constituting the lower frame 40 (see FIG. 3), and is a reinforced concrete precast member having a reinforcing bar 3a protruding in the axial direction from the upper surface. In addition, an axial through hole 3b into which the stem column 2 can be inserted is provided at the center of the lower support column 3. When the stem column 2 is inserted into the through hole 3b, the stem column 2 is inserted. The inner diameter of the through-hole 3b is formed larger than the outer diameter of the stem column 2 so that a gap is formed around

The joining member 4 is a precast member made of reinforced concrete, and is a member having a lower surface that can be placed on the upper surface of the lower column 3. As shown in FIGS. 2B and 3, the joining member 4 is provided with a vertical through hole 4 a corresponding to the position of the reinforcing bar 3 a protruding from the upper surface of the lower column 3. Further, the horizontal reinforcing bar 4b passes through the beam part 5b at a position connectable to the horizontal reinforcing bar 5a, and both end parts of the reinforcing bar 4b protrude from the side surface of the joining member 4. It has become.
And the joining member 4 is joined to the upper surface of the lower support | pillar 3 in the state which penetrated the reinforcing bar 3a which protruded from the upper surface of the lower support | pillar 3 to the through-hole 4a of the joining member 4. FIG. Further, the reinforcing bars 5a in the axial direction of the beam portion 5b and the reinforcing bars 4b of the joining member 4 are connected. By joining the floor body 5 to the side surface of the joining member 4, the joining member 4, the lower column 3 and Deviation from the floor 5 is prevented. In this way, the lower support column 3 and the floor 5 are firmly joined to the joining member 4.

As shown in FIG. 3, the upper column 6 is a column constituting the upper frame 30 and is a precast member made of reinforced concrete. On the lower surface of the upper column 6, a vertical hole is provided in correspondence with the position of the reinforcing bar 3 a protruding from the upper surface of the lower column 3.
Then, with the reinforcing bar 3a of the lower column 3 penetrating the bonding member 4 being inserted into the hole on the lower surface of the upper column 6, the upper column 6 is erected on the upper surface of the bonding member 4, The upper support column 6 is disposed immediately above the lower support column 3 in which the true pillar 2 is inserted. Thereby, the axial force of the building 10 is effectively transmitted to the structural pillar 2 and the displacement between the joining member 4 and the upper support column 6 is prevented, so that the upper support column 6 is firmly joined to the joining member 4. It has become a state.

  Therefore, in the structure body 1 of the present invention, the axial force of the structure body 1 is effectively transmitted into the ground 20 without inserting the upper end portion of the true pillar 2 into the joining member 4. The support force can be increased. Moreover, since the members arrange | positioned in the joining member 4 can be decreased, the formation operation | work of the joining member 4 can be simplified.

  Next, the construction method of the building 10 using the structure 1 according to the embodiment of the present invention will be described.

(1) Construction column placing process First, as shown in FIG. 1 (a), the top plate 2a is joined to the upper surface of one end of the construction column 2 so that the top plate 2a is disposed above, The axial direction of the structural pillar 2 is arranged in the vertical direction. Then, the structural pillar 2 is driven on the ground 20 so that the upper end portion protrudes from the ground 20. At this time, the construction is such that the height from the upper surface of the ground 20 to the upper surface of the top plate 2a attached to the upper surface of the structural pillar 2 is slightly lower than the height of the lower surface of the floor 5 to be constructed. Sets the amount of protrusion of the true pillar 2.

(2) Lower strut standing step Next, as shown in FIG. 2 (a), the upper end portion of the construction pillar 2 protruding from the ground 20 is inserted into the through hole 3b of the lower strut 3. The lower support column 3 is erected on the ground 20. At this time, since the inner diameter of the through hole 3 b provided in the lower support column 3 is formed larger than the outer diameter of the structural pillar 2, a gap is formed around the structural pillar 2. Thereby, since the position of the lower support | pillar 3 can be moved only the distance of a clearance gap with respect to the construction pillar 2 embed | buried in the ground 20, the construction precision of the lower support | pillar 3 can be raised. Thereafter, concrete is filled in the gap between the through hole 3 b and the structural pillar 2, and the upper end portion of the structural pillar 2 is fixed in the lower column 3.

(3) Joining member installation step And, as shown in FIG. 2 (b), the reinforcing bar 3a protruding from the lower support column 3 penetrates the through hole 4a of the joining member 4, so that the joining member 4 is placed in the lower part. Bonded to the upper surface of the column 3. At this time, the joining member 4 descends while being guided by the reinforcing bars 3 a of the lower support column 3 and is accurately disposed at a predetermined position on the upper surface of the lower support column 3. Thereafter, concrete is filled into the through-hole 4 a and the reinforcing bars 3 a of the lower support column 3 are fixed to the bonding member 4, whereby the lower support column 3 and the bonding member 4 are firmly bonded. As a result, the structural pillar 2 inserted into the lower support column 3 is placed directly under the joining member 4.

(4) Upper column erecting step Further, as shown in FIG. 3, the reinforcing bar 5b of the beam part 5b is joined to the reinforcing bar 5b of the beam part 5b by joining the reinforcing bar 5a of the beam part 5b in the horizontal axis direction. After fixing to the joining member 4, the beam portion 5b is constructed on the side surface of the joining member 4, and the floor portion 5c is constructed so as to be supported by the beam portion 5b. 5 can be firmly joined. As a result, the load of the floor 5 is transmitted to the frame pillar 2 as a compressive force from the joining member 4.

  Further, the reinforcing bar 3a of the lower column 3 that penetrates the bonding member 4 and protrudes from the upper surface thereof is inserted into a hole formed in the lower surface of the upper column 6 so that the upper surface of the bonding member 4 is upper. The upper column 6 is firmly joined to the upper surface of the joining member 4 by erecting the column 6, filling the hole of the upper column 6 with concrete, and fixing the reinforcing bar 3 a of the lower column 3 to the upper column 6. be able to. As a result, the upper column 6 is arranged via the joining member 4 directly above the lower column 3 in which the frame column 2 is inserted, so that the axial force acting on the upper column 6 is applied to the frame column 2. Communicated effectively.

(5) Housing Finishing Step Next, the upper housing 30 including the upper column 6 is completed on the floor 5 with the floor 5 as a work area, and the lower housing 40 including the lower column 3 below the floor 5. To complete the building 10.

Thus, in the construction method of the building 10 using the structure 1 of the present invention, the construction pillar 2 and the lower pillar are inserted by inserting the construction pillar 2 into the through hole 3b of the lower pillar 3 that is a precast member. 3 construction work can be simplified. Furthermore, since the position of the lower support column 3 can be moved by the distance of the gap between the through hole 3b and the structure column 2 with respect to the structure column 2 embedded in the ground, the construction accuracy of the structure 1 is increased. Can be increased.
Further, the joining member 4 is guided by the reinforcing bar 3a of the lower support column 3 and joined to the upper surface of the lower support column 3, and the joining member 4 is accurately arranged immediately above the lower support column 3 in which the structural pillar 2 is inserted. Therefore, the axial force of the building 10 can be effectively transmitted to the structural pillar 2 and the construction of the joining member 4 and the structural pillar 2 is simplified. It can be simplified.

As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment. For example, in the present embodiment, as shown in FIG. 3, the upper support column 6 is constituted by a reinforced concrete precast member. However, as shown in FIG. You may comprise the upper support | pillar 7 with a pillar. In this configuration, an anchor bolt 7 c that can be attached to a flange portion provided at the lower end of the steel pipe 7 a is embedded in the joining member 4, whereby the upper column 7 is erected on the upper surface of the joining member 4. At this time, since there are few members arranged in the joining member 4, it is possible to secure a wide range in which the anchor bolt 7 c can be attached to the upper surface of the joining member 4, and join the upper support column 7 to a desired position. Can do.
In addition, the upper surface of the structural pillar 2 may be configured to contact the lower surface of the bonding member 4.
Furthermore, the material and shape of the joining member 4 are not limited. For example, the joining member 4 may be constructed by placing concrete on site. At this time, in the present invention, since the configuration of the joining member 4 is simplified, the joining member 4 can be constructed without complicating the work.

BRIEF DESCRIPTION OF THE DRAWINGS It is the figure which showed the construction pillar placement process which concerns on embodiment of this invention, (a) is a sectional side view which showed the state which placed the construction pillar on the ground, (b) is a top view of a construction pillar It is. BRIEF DESCRIPTION OF THE DRAWINGS It is the figure which showed the lower support | pillar erection process and joining member installation process which concern on embodiment of this invention, (a) is a sectional side view which showed the state which installed the lower support | pillar on the ground, (b) is a lower support | pillar It is the sectional side view which showed the aspect which joins a joining member to the upper surface of this. It is the figure which showed the upper strut standing process which concerns on embodiment of this invention, and is the sectional side view which showed the state which stood the upper strut on the upper surface of the joining member. It is the figure which showed the other structure of the structure which concerns on embodiment of this invention, and is the sectional side view which showed the structure which used the reinforced concrete steel pipe column for the upper support | pillar. It is the sectional side view which showed the structure using the conventional construction stem.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Structure 2 True column 2a Top plate 3 Lower support | pillar 3a Reinforcement 3b Through-hole 4 Joining member 5 Floor body 6 Upper support | pillar 10 Building 20 Ground 30 Upper housing 40 Lower housing

Claims (4)

A lower strut having a reinforcing bar protruding in the axial direction from the upper surface, and standing on the ground below the floor body which is a boundary between the upper housing and the lower housing;
In a state where the reinforcing bar protruding from the upper surface of the lower support column is inserted, it is bonded to the upper surface of the lower support column, and a bonding member capable of bonding the floor to the side surface,
An upper column that is erected on the upper surface of the joining member;
Without projecting from the upper surface of the lower support column, the construction pillar that is embedded in the ground in a state inserted in the lower support column,
The structure characterized by being comprised from this.   The structure according to claim 1, wherein the reinforcing bar protruding from the upper surface of the lower support column is inserted into the upper support column through the joining member.   The through hole in which the said stem pillar can be inserted is provided in the said lower support | pillar, The said stem pillar is inserted in the said through hole, The Claim 1 or Claim 2 characterized by the above-mentioned. Structure.   The plate-like member which has a horizontal surface with a larger area than the upper surface of the said stem pillar is provided in the upper surface of the said stem pillar, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Structure.

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