JP5077856B1 - Construction method and construction jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method capable of adjusting the position of a column base and the position of each member such as a column and a beam, which uses a small and simple structure in steel construction and has few restrictions on the place of use, and a treatment used therefor Provide ingredients.
SOLUTION: Position adjustment of a pillar base is performed by finely adjusting a position of the pillar base to a position of the pillar base using a formwork connecting bolt attached to the formwork, and then fixing with a mortar. This is done by fitting a hole drilled in the core of the column base in advance to the bolt, and in order to adjust the column interval, that is, the position of the column and beam, attach a joining plate to each of the column and beam in advance. A column spacing adjusting jig capable of adjusting the mutual distance between the joining plates is used.
[Selection] Figure 7

Description

  The present invention relates to a construction method using a steel frame column and a beam, a ramen structure, a pin structure, a well site method, and a jig used therefor.

  The structure of buildings using steel columns and beams is roughly divided into a ramen structure and a pin structure. In addition to the conventional method of welding members such as columns and beams at a factory and installing them at the construction site, a well site method of welding at the construction site is also being carried out.

The following matters are mentioned as problems in these construction methods.
(1) In steel frame construction, the column base position is determined based on the anchor bolt that fixes the column. Usually, the outer diameter of the anchor bolt and the through hole of the column base provided for inserting the anchor bolt are used. Since there is a certain clearance between the inner diameter of the cylinder and the inner diameter of the cylinder base, it cannot be installed at an accurate position simply by fitting the through hole of the column base to the anchor bolt.
(2) It is extremely difficult to correct the position of the anchor bolt once installed.
(3) If the pillar base position cannot be set accurately, it is difficult to adapt the pillar construction to the drawing.

(4) In the well site construction method, as described above, since welding of a flange or the like is performed at a construction site, it is difficult to correct a dimensional shift caused by shrinkage due to welding.
(5) Even when bolts and nuts are used for joining between members such as columns and beams, it is difficult to obtain accurate dimensions because there is a certain clearance between the bolt outer diameter and the inner diameter of the hole through which the bolt is inserted. is there.
(6) When using bolts to adjust the distance between the pillars, it is necessary to take measures to prevent the nuts from falling.

  As an example of means for solving these problems, Patent Document 1 discloses a technique of using a conical nut to align the core of the through hole for inserting the pillar-based anchor bolt with the core of the anchor bolt. However, in this technique, it is necessary to accurately determine the installation position of the anchor bolt, and there is a point that does not necessarily meet the above problem.

  Patent Document 2 discloses a technique for adjusting the base position of a column using a ball screw and a motor. However, with this technique, it is assumed that the entire apparatus is slightly larger and its use is restricted.

  Japanese Patent Laid-Open No. 10-168897   Japanese Patent Application Laid-Open No. 07-292989

  Accordingly, an object of the present invention is to provide a method of adjusting the position of a column base and the position of each member such as a column and a beam, using a small and simple structure member in a steel structure, and with less restrictions on the place of use. And providing a jig used therefor.

  The present invention has been made to solve the above-mentioned problems, and the position adjustment of the column base is performed by finely adjusting the installation position of the column base to the position of the column base using a mold connection bolt attached to the mold frame. This is done by fitting a hole drilled in the core of the column base in advance to the column base positioning bolt, which can be fixed by the column base. A column spacing adjusting jig capable of previously attaching a joining plate to each of the plates and adjusting the mutual distance between the joining plates is used.

  According to the present invention, it is possible to accurately realize the drawing dimensions in the steel frame building with a ramen structure, a pin structure, and a well-site method using the respective jigs. As a result, it is possible to easily install braces attached to columns and beams, stairs, trunk edges, hardware, and the like at accurate positions, and it is possible to construct a highly accurate building. In addition, it is possible to prevent danger due to dropping of the adjusting bolt used for the work.

  The perspective view which shows an example of the 1st plate used for the construction method concerning this invention.   The perspective view which shows an example of the 2nd plate used for the construction method concerning this invention.   The perspective view which shows an example of the column base positioning bolt used for the construction method concerning this invention.   The figure which shows the state which attached the column base positioning bolt, the 1st anchor bolt, and the 2nd anchor bolt to the 1st plate and the 2nd plate, Drawing 3 (a) is a top view, and Drawing 3 (b) AA cross section.   The figure which shows an example of the formwork connection bolt used for the construction method concerning this invention, FIG. 5 (a) is a top view, FIG.5 (b) is a front view, FIG.5 (c) is a bottom view.   The perspective view which shows an example of the column base positioning jig used for the construction method concerning the construction method of this invention.   The figure which shows an example of the pillar space | interval adjustment jig used for the construction method concerning this invention, Fig.7 (a) is a front view, FIG.7 (b) is a side view.   The perspective view which shows an example of the plate for beam joining used for the construction method concerning this invention.   The perspective view which shows an example of the plate for column joining used for the construction method concerning this invention.   The perspective view which shows an example of the state which joined the plate for beam joining, and the plate for column joining.   The figure which shows an example of the wire for preventing the fall of a column space | interval adjustment jig.   The figure which shows an example of the round tube integrated with the ring catch which attaches the eye of the wire for preventing the fall of a pillar space | interval adjustment jig.

  Next, embodiments of the present invention will be described with reference to specific drawings.

  FIG. 1 is a perspective view showing an example of a first plate used in the construction method according to the present invention. In this example, the entire shape of the first plate 1 is a rectangle, and three rectangular openings 2a, 2b, 2c are provided in parallel at approximately the center, and the two rectangular openings 2 are separated from each other. The first through-holes 4a, 4b, 4c, and 4d provided in each of the two bridging portions 3a and 3b, and four holes between the substantially central portion of the side that constitutes the entire plate and the opening. The second through holes 5a, 5b, 5c, 5d provided, and four third through holes provided between the apex of the rectangle constituting the whole plate and the opening 6a, 6b, 6c, 6d It is what has.

  FIG. 2 is a perspective view showing an example of a second plate used in the construction method according to the present invention. In this example, the shape of the entire second plate 7 is rectangular, and each of the fourth through holes 8a, 8b, 8c and 8d has the same relative position as the first through hole. When the first through hole and the fourth through hole are overlapped, 2 is provided at a position where the center point of the two centers substantially coincides with the centers of the three rectangular openings. The fifth through holes 9a and 9b are provided.

  FIG. 3 is a perspective view showing an example of a column base positioning bolt used in the construction method according to the present invention. As shown in this figure, the column base positioning bolt 10 has a pointed portion 11, a columnar portion 12, a flange 13, and a first male screw 14 formed in order from the top in the drawing, a third nut 15, a caulking injection The fourth nut 16 and the fifth nut 18 provided with the through-hole 17 for use are screwed in order. It is also possible to use a washer not shown in the figure between the fourth nut 16 and the fifth nut 18 by loosely fitting it.

4, the first plate 1 and the second plate 7, a diagram showing a state where a pillar base positioning bolts 10 shown with the first of the anchor bolt 19 fitted with a second anchor bolt 22 in FIG. 3, 4 (a) is a plan view, FIG. 4 (b) is an AA cross-section. As shown in this figure, the column base positioning bolt 10 has a fourth nut 16 and a fifth nut 18 which are screwed into the first male screw 14 and have a larger area than the fifth through holes 9a and 9b. but in a state sandwiching the second plate 7 is attached to the second plate 7. The first anchor bolt 19 is fixed by the first nut 21 and the second nut 21, and the height of the boundary 19b between the complete thread portion and the incomplete thread portion of the first anchor bolt 19 is set to two. According to the screwing position of the nut, the height of the pillar base is adjusted to a position higher by several millimeters to several tens of millimeters than the foundation concrete placement level indicated by the two-dot chain line L in FIG. The position of the boundary 22b between the complete screw portion and the incomplete screw portion in the second anchor bolt 22 is similarly adjusted.

Further, the second anchor bolt 22 for holding the column base includes the first plate 1 in a state where the seventh nut 23 and the sixth nut 24 screwed to the male screw sandwich the first plate 1. The first plate 1 and the second plate 7 are overlapped, and are inserted into the first through holes 4a, 4b, 4c, 4d and the fourth through holes 8a, 8b, 8c, 8d in order. It is fixed in a state of being sandwiched between a first nut 20 and a second nut 21 screwed into a male screw of one anchor bolt 19.

  5, as shown in FIG. 3, the first plate 1 assembled with other members is placed on the column base installation position, that is, inside the formwork for placing concrete as the column base. FIG. 5 (a) is a plan view, FIG. 5 (b) is a front view, and FIG. 5 (c) is a bottom view. .

  The mold connection bolt 25 is formed with a pair of second male screws 26a and 26b whose opposite tightening directions are formed at both ends, a rod-like member having a spanner hanger 27 at a substantially central portion, and a third member at one end. The first female screw of the first bolt 28 formed with a male screw and having a first female screw formed at the other end in a direction perpendicular to the third male screw is the rod-like shape. The second male screw 26a on one end side of the member is screwed, and a fourth male screw is formed on one end, and in the direction parallel to the fourth male screw on the other end, The second female screw of the second bolt 30 formed by joining the connecting member 29 formed with the second female screw is screwed into the second male screw 26b on the other end side of the rod-like member. The structure is provided.

In the example shown here, four formwork connecting bolts 25 are prepared, and the first plate 1 is provided on each of the third through holes 6a, 6b, 6c, 6d provided in the first plate 1. Then, the first bolt 28 is inserted, and an eighth nut (not shown) is screwed into a portion exposed under the first plate 1. And the 2nd volt | bolt 30 is penetrated in the through-hole provided in the formwork for placing concrete used as a pillar base which is not shown in figure here. A ninth nut ( not shown) is also screwed into each male screw exposed on the opposite side of the through hole.

When both ends of the formwork connecting bolt 25 are fixed as described above, the rod-shaped member is provided with a pair of second male screws 26a and 26b whose opposite directions are opposite to each other. By rotating the rod-shaped member, the distance between the first plate 1 and the mold can be adjusted in four directions. After adjusting the position of the 1st plate 1 using the formwork connection bolt 25 , the 1st anchor bolt 19 and the 2nd anchor bolt 22 are used using the nut currently screwed by each male screw. Adjust to the height of the drawing and fix. Needless to say, the height when the mold connection bolt 25 is attached to the mold must be within a range in which the heights of the two types of anchor bolts can be adjusted to the height of the drawing.

Next, foundation concrete is laid. Level of pouring is generally set to two-dot chain line shown by L in Figure 4 (b). After the foundation concrete is hardened, the second nut 21 and the sixth nut 24 screwed to the two types of anchor bolts are removed, the first plate 1 is also removed, and a column base positioning jig described later is used. The height of the column base positioning bolt 10 is adjusted and the height is adjusted using the three types of nuts attached to the column base positioning bolt 10 so that the upper surface of the flange 13 becomes the height of the column base. To do.

  FIG. 6 is a perspective view showing an example of a column base positioning jig used in the construction method according to the construction method of the present invention. The column base positioning jig 31 shown in this figure has a second hole 34a for fitting the column base positioning bolt 10 into a structure in which the first plate member 32a and the second plate member 32b are combined. , 34b are provided with fitting portions 33a, 33b.

  In order to adjust the height of the column base positioning bolt 10, the columnar portion 12 of the column base positioning bolt 10 is fitted into the fitting portions 33 a and 33 b, and is screwed into the column base positioning bolt 10. The nut 15 and the fourth nut 16 are loosened, the sixth nut 18 is removed, the washer not shown in the figure is removed, and the sixth nut 18 is screwed together.

  An example of a procedure for adjusting the position of the column base positioning bolt 10 using these members and jigs will be described as follows. First, in order to make the rod 13 the level position height below the column base, the level position height of the design standard is measured from the level position height of the design standard to the horizontal position height of the level device attached to the tripod. From this, it calculates to the level position height under the base of the pillar of the design dimension, and the dimension from the horizontal position height of the level device to the level position height under the base of the pillar of the design dimension is commonly referred to as “Bakabo”. Measure from one end of a metal rod-shaped jig such as wood, plastic or aluminum and mark it.

With the mark up, one end at the bottom, and vertically on the ridge 13, holding the ridge 13 and turning the fourth nut 16 to have the level device look at the horizontal position height, Align with the mark on the bar, and when it matches the mark , turn the third nut 15 so that it moves in the direction of the fourth nut 16 and tighten it on the fourth nut 16, The four nuts 16 are fixed. This operation is similarly performed for the two column base positioning bolts.

  When using a laser measuring instrument such as a level planer or a line laser, measure from the level position height of the design standard to the horizontal position height of the laser measuring instrument attached to the tripod, as with the level instrument, From the level position height of the design dimension to the Leveno position height under the base of the design dimension column, and the dimension from the horizontal position height of the laser measuring instrument to the level position height under the base of the design dimension column is Put a measuring mark from one end of the “Bakabo” and attach the receiver to the position where it is detected at the mark position. The third nut 15 is tightened on the fourth nut 16 at the position detected by the light receiver, and the nut 16 is fixed to the first male screw 14 in the fourth manner. This operation is similarly performed for the two column base positioning bolts arranged in the fifth through holes 9a and 9b.

  The columnar portion 12 of the column base positioning bolt 10 at the base position of each column is inserted into each of the second holes 34a and 34b of the column base positioning jig 31, and the column core to the column core of the drawing dimensions are inserted into the column. Measure with a measuring tool such as a tape measure on the basis of the marked line attached to the base positioning jig 31, that is, black, determine the position of the column base positioning bolt, and tighten the fifth nut 18 from below to the first male screw 14. And fix.

  Also in the case of measuring with a laser measuring instrument, the thickness from the column core of the drawing dimension to the column core is determined based on either the first plate member 32a or the second plate member 32b of the column base positioning jig 31. Is measured between the plates, and the fifth nut 18 is tightened and fixed to the first male screw 14 from below. The pillar core ink between the pillars is drawn on the second plate 7, the ink drawn on the sheet core of the pillar base positioning jig 31 is aligned with the ink, and the fifth nut 18 is attached to the first male screw 14 from below. It is also possible to fasten and fix.

  When the positioning is completed, a caulking agent or an adhesive is injected from a caulking injection through hole 18 provided in the fourth nut 16 to fix the column base positioning bolt 10 to the second plate 7. After the caulking agent or adhesive is cured, the mortar is placed in the size of the column base with the upper surface of the ridge 13 as a reference.

  7A and 7B are diagrams showing an example of a column interval adjusting jig used in the construction method according to the present invention. FIG. 7A is a front view and FIG. 7B is a side view. The column spacing adjusting jig 35 shown in this figure has a pair of fifth male screws 36a and 36b whose opposite tightening directions are formed at both ends, and a spanner hook 37 and a spanner insertion through hole 38a, 38b, a female screw that engages with each of the pair of fifth male screws 36a and 36b at one end, columnar insertion portions 40a and 40b on the other side, and a retaining plate attached to the insertion portion This is a structure having retaining plates 42a and 42b attached via pins 41a and 41b.

  FIG. 8 is a perspective view showing an example of a beam joining plate used in the construction method according to the present invention. FIG. 9 is a perspective view showing an example of a column joining plate used in the construction method according to the present invention. 8 and 9, 43 is a beam joining plate, 44 is a first groove, 45 is a sixth through hole, 46 is a seventh through hole, 47 is a column joining plate, and 48 is a second. The groove portion 49 is an eighth through hole. In the construction method according to the present invention, these jigs are used when joining columns and beams. An example of the procedure will be described below.

  In a steel manufacturing factory, the beam connection plate 43 is bonded to the beam joint, the first groove portion 44 is bonded to the beam side, and the column connection plate 47 is bonded to the column side of the beam and column connection portion. The second groove portion 48 is joined to the diaphragm toward the column side. FIG. 10 is a perspective view showing an example of a state in which the beam joining plate 43 and the column joining plate 47 are joined. In FIG. 10, 50 is a beam and 51 is a column.

  The joining positions of the respective joining plates are as follows: the beam ceiling, the spacing between the beam joining plate 43 and the column joining plate 47, and the insertion portions 40a and 40b of the column spacing adjusting jig 35, respectively. It is set as the range which can be adjusted in the state inserted in the 6th through-hole 45 and the 8th through-hole 49. FIG. In the case of the well site method and the pin structure, welding is performed.

  In the case of the rigid frame structure, the beam joint plate 43 is joined to the beam joint portion, the first groove portion 44 is directed to the upper portion of the beam side flange, and the column joint plate 47 is joined to the upper portion of the flange of the beam end on the column side. With the groove portion facing, welding is performed in an adjustable range using the column interval adjusting jig 35 in the same manner as described above. It should be noted that the column base has two holes in which the columnar portion 12 of the column base positioning bolt 10 whose position has been adjusted in the above-described process is accurately fitted, and the center of the two holes is accurately arranged in the center of the column base. As described above, the provision is made in advance as described above.

Built how pillar lifting pillars at the crane, moves to the base position, a through hole for inserting the Ankabo belt open to the base plate, taking into second anchor bolt 22 for fixing the pillar The columnar portion 10 of the column base positioning bolt 10 is fitted into a hole provided in advance in the column base, the column is accurately built at the dimensional position in the drawing, a nut is screwed onto the second anchor bolt 22, and the base plate The procedure is to tighten from the top.

In order to prevent the column from falling down, a tora wire is attached to the top of the column, and after the column has been built, the column of the next span is built in the same way, preventing the column from falling over and falling. The column spacing adjustment jig 35 is attached to the beam and the column via the two types of joining plates as described above, and is prevented from being detached using the retaining plates 42a and 42b. The drop-preventing ring catch shown in FIG. 12 attached to the wire attachment return 39 is attached to the seventh through hole 46 .

  FIG. 11 is a view showing an example of a wire for preventing the column interval adjusting jig from falling, and FIG. 12 is integrated with a ring catch for attaching a wire eye for preventing the column interval adjusting jig from falling. It is a figure which shows an example of a round tube. In FIG. 11, 52 is a fall prevention wire, 53 a is an eye portion for attaching the wire to the column spacing adjusting jig 35, 53 b is an eye portion attached to a round tube, and 54 a and 54 b are metal fittings for stopping the wire eye. , 55 is a ring body, 56 is a joining bolt, 57 is a joining nut, and 58 is a round tube.

  In the case of a rigid frame structure, the beam is lifted to the position where it is attached by a crane, and a bolt is inserted with a flange and wave sandwiched by a splice plate that fixes the beam and the beam end. In the case of a pin structure, lift the beam to the position where it is attached with a crane, align the beam with the gusset plate, and install the bolt. Both the frame structure and the pin structure are provided with the column spacing adjusting jig 35 in the sixth through hole 45 of the beam connecting plate 43 attached to the beam flange portion and the eighth through hole 49 of the column connecting plate 47. Insert the insertion parts 40a and 40b respectively, fix them with retaining plates 42a and 42b, rotate them using the spanner hook 37 or the spanner insertion holes 38a and 38b, and measure the inside dimensions of the pillar with a laser measuring instrument. Align the dimensions between the columns with the dimensions of the drawing.

  In the case of a ramen structure, a tora wire is stretched from the pillar of the span built in the beginning to the pillar, the pillar is made vertical, and a bolt that takes the so-called built-up is inserted and the nut is tightened. From the next spun, lift the beam to the position where it will be attached to the crane, use a splice plate that fixes the beam and beam end, sandwich the flange and wave, insert temporary bolts, measure between the columns with a laser measuring machine, and measure the dimensions between the columns. To the dimensions of the drawing, make the column vertical, and tighten the bolts.

  In the case of a pin structure, the beam is lifted to the position where it is attached by a crane, the beam and the gusset plate are aligned, and bolts are inserted. Hereinafter, the same construction method as the ramen structure is used.

  Also in the case of the well site method, lift the beam to the position where it is attached with a crane, align the beam and the gusset plate attached to the column, insert the bolt, and insert the bolt attached to the beam flange. The column spacing adjusting jig 35 is inserted into the sixth through hole 45 of the beam connecting plate 43 attached to the beam flange portion and the eighth through hole 49 of the column connecting plate 47 attached to the column side. Insert the insertion parts 40a and 40b respectively, fix them with retaining plates 42a and 42b, rotate them using the spanner hook 37 or the spanner insertion holes 38a and 38b, and measure the inside dimensions of the pillar with a laser measuring instrument. Then, the dimension between the pillars is the dimension obtained by adding the shrinkage amount due to welding to the dimensions of the drawing, and the tra wire is stretched inside the pillar, the vertical of the pillar is distributed on both sides, bolts are tightened, and the nut is tightened. From the next span, work with the same method with only the bolts to be adjusted.

  As described above, according to the present invention, a method for accurately adjusting the position of a column base and the relative position adjustment between members such as columns and beams in a steel building and a jig used therefor are provided. Therefore, it can be said that there is a great contribution to improving the accuracy of construction processes and reducing man-hours. The present invention is not limited to the above-described embodiment, and does not depart from the gist of the present invention, including various modifications and corrections that can be conceived by those having ordinary knowledge in the field of the present invention. Of course, even if there is a design change in the range, it is included in the present invention.

1 1st plate 2a, 2b, 2c opening part 3a, 3b bridge | crosslinking-like part 4a, 4b, 4c, 4d 1st through-hole 5a, 5b, 5c, 5d 2nd through-hole 6a, 6b, 6c, 6d 1st Third through-hole 7 Second plate 8a, 8b, 8c, 8d Fourth through-hole 9a, 9b Fifth through-hole 10 Column base positioning bolt 11 Pointed end portion 12 Columnar portion 13 鍔 14 First male screw 15 First Three nuts 16 Fourth nuts 17 Caulking injection through hole 18 Fifth nut 19 First anchor bolt 19b Boundary 20 between fully threaded part and incompletely threaded part 1st nut 21 2nd nut 22 2nd nut anchor bolts 22b fully threaded portion and the boundary of the incomplete thread portion 23 seventh nut 24 sixth nut 25 formwork connecting bolts 26a, 26b second direction opposite the clamping together of the male thread 27 wrench 28 first Bolts 29 connecting member 30 second bolt 31 poster based positioning jig 32a first plate member 32b second plate member 33a, 33b the fitting portion 34a, 34b second hole 35 poster interval adjusting jig 35
36a, 36b Fifth male screw 37 whose tightening directions are opposite to each other 37 Spanner hook 38a, 38b Spanner insertion through hole 39 Wire attachment ring 40a, 40b Insertion portion 41a, 41b Retaining plate attaching pins 42a, 42b Retaining plate 43 Beam Joining plate 44 First groove portion 45 Sixth through hole 46 Seventh through hole 47 Column joining plate 48 Second groove portion 49 Eight through hole 50 Beam 51 Column 52 Fall prevention wire 53a Column Eye portion 53b for attaching to the wire attachment return of the spacing adjustment jig Eye portion 54a, 54b attached to the round tube Metal fitting 55 for stopping the wire eye 55 Ring body

Claims (3)

In a construction method including a step of standing a plurality of steel columns on the foundation concrete and joining a steel beam between the columns,
(1) At least one opening, a plurality of first through-holes, a plurality of second through-holes, and a first plate having a plurality of third through-holes, relative to each other When a plurality of fourth through holes having the same position as the first through hole and the first through hole and the fourth through hole are overlapped, the opening is substantially the same as the first through hole. A first nut mounted on a second plate having at least one fifth through-hole provided at a matching position and mounted on the second anchor bolt provided with a male screw Are inserted in order into the first through hole and the fourth through hole, respectively, and the second thread is inserted into the male screw of the first anchor bolt exposed on the opposite surface of the first plate. (2) male screw of the second anchor bolt for pressing the base of the pillar The provided portion of the male screw, while screwed a seventh nut, said inserted from below into the second through hole, wherein the second exposed on the opposite surface of said first plate Step of screwing a sixth nut into the male screw of the anchor bolt (3) The first male screw of the column base positioning bolt, in which a pointed portion, a columnar portion, a flange, and a first male screw are formed in this order. A through hole for caulking injection provided in a direction parallel to the length direction of the bolt, and an area of a surface perpendicular to the length direction of the bolt is A fourth nut larger than the fifth through hole is screwed together, and a washer having a smaller area than the fifth through hole is fitted, and inserted into the fifth through hole, and the length of the bolt Screw the fifth nut whose area perpendicular to the direction is larger than the fifth through hole. (4) The first plate in a state where the second plate, the first anchor bolt, the second anchor bolt, and the column base positioning bolt are assembled is installed at a predetermined position of the column base. Step (5) A pair of second male screws having opposite tightening directions are formed at both ends, a rod-shaped member having a spanner hook at the substantially central portion, and a third male screw at one end, The first female screw of the first bolt in which the first female screw is formed in the direction perpendicular to the third male screw at the other end is the first female screw on the one end side of the rod-shaped member. Threaded into two male screws, a fourth male screw is formed at one end, and a second female screw is formed at the other end in a direction parallel to the fourth male screw The second female screw of the second bolt formed by joining the members is the rod-shaped A plurality of formwork coupling bolts screwed into the second male screw on the other end side of the member are prepared, and the first bolt is inserted into each of the third through holes from above and the first The eighth nut is screwed from the lower side of the plate, and the second bolt is inserted from the inside of the through holes provided in a plurality of positions in the concrete casting formwork, and the ninth nut is inserted from the opposite side . (6) adjusting the screwing positions of the first nut and the second nut to adjust the height of the boundary between the complete thread portion and the incomplete screw portion of the plurality of first anchor bolts. In accordance with the design height of the base of the column, by adjusting the screwing positions of the fifth nut and the sixth nut, complete thread portions and incomplete thread portions of the plurality of second anchor bolts Adjust the boundary height of the column to approximately the design height of the base of the column. The step of placing the foundation concrete by setting the horizontal plane of the first plate to the design position by the operation of the spanner hooking of the formwork connection bolt of the book (7) After the foundation concrete is hardened, Remove the second nut and the sixth nut, remove the first plate, and adjust the top surface of the flange of the column positioning bolt to the height below the base of the column. Adjusting the screwing position of the fifth nut, turning the third nut so as to move in the direction of the fourth nut, and fixing by tightening the fourth nut (8) The center of the column is set at the same interval as the center of the fifth through-hole in the second plate, and a midpoint between the centers is arranged at the center of the column base plate, and the column (9) a third nut of the two column base positioning bolts attached to the second plate; the loosened, remove the fifth nut off the washer, the combined fifth threaded nut again, so as to match the upper surface of the flange in the pillar base positioning bolt on the lower surface of the base of said post, said first After adjusting the screwing position of the four nuts, tightening the third nut and fixing the male screw and the fourth nut of the column base positioning bolt (10) The second plate in the second plate A cylindrical member having a plurality of second holes, the centers of which are arranged at the same interval as the center interval of the five through holes and has an inner diameter with which the columnar portion of the column base positioning bolt is fitted, is attached. In the second hole of the positioning jig for determining the position of the column base positioning bolt, the first plate-shaped member and the second plate-shaped member substantially orthogonal to the first plate-shaped member , Each of the column base positioning bolts is fitted and the positioning is performed using a marked line provided in advance at the center in the thickness direction of at least one of the first plate member or the second plate member. Step (11) of adjusting so that the core of the jig is located at the position where the core of the column is installed. After the adjustment, the fifth nut is tightened, and the caulking injection penetration in the fourth nut is performed. At least one of caulking agent or adhesive is injected from the hole, the column base positioning bolt is fixed to the second plate, the mortar is raised to the size of the column base, and the upper surface of the ridge is used as a reference. In addition, The step (12) of leveling the mortar horizontally, comprising a sixth through-hole and a groove part where the thickness direction of a part of one side is diagonally deleted, and two joining plates made of a rectangular plate member, A pair of fifth male screws having opposite tightening directions are formed at both ends, a rod-like member having a spanner hook at the center, and a female screw that is screwed into each of the pair of fifth male screws at one end A columnar insertion jig for adjusting the interval between the column and the beam connecting portion, and a columnar insertion portion on the other side, and a retaining plate attached to the insertion portion via a retaining plate mounting pin. In the state where the insertion portion is inserted into each of the sixth through holes, the column and the beam are joined to the surfaces to be joined so that the distance between the two joining plates can be adjusted. (13) The positioning jig A height at which the beam is joined to the column by removing the column base positioning bolt from the column base positioning bolt and installing the plurality of first holes in the column base plate so as to be fitted to the columnar portion of the column base positioning bolt. And inserting each of the insertion portions of the column spacing adjusting jig into the joining plate joined to the columns and the beams, thereby making it possible to adjust the spacing between the joints of the columns and the beams. The construction method characterized by including. It is a formwork connection bolt used in the construction method according to claim 1, wherein a pair of first male screws having opposite tightening directions are formed at both ends, and a bar-like member having a spanner hook at a substantially central portion, A first male screw having a second male screw formed at one end and a first female screw formed at the other end in a direction perpendicular to the second male screw. A screw is screwed into the first male screw on one end side of the rod-shaped member, and a third male screw is formed at one end and parallel to the third male screw at the other end. In this direction, the second female screw of the second bolt formed by joining the connecting member formed with the second female screw is screwed into the first male screw on the other end side of the rod-shaped member. Formwork connecting bolts characterized by being combined. It is a formwork connection bolt used in the construction method according to claim 1, wherein a pair of male screws having opposite tightening directions are formed at both ends, a rod-shaped member having a spanner hook at substantially the center, and the one end at the end Column spacing adjustment characterized by having a female screw threadedly engaged with each of a pair of male screws, a columnar insertion portion on the other side, and a retaining plate attached to the insertion portion via a retaining plate mounting pin Jig.

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