JPH03260264A - Constructing method with column form, and its column form - Google Patents

Abstract

PURPOSE:To simplify the execution of work by supporting a set of L-shaped column form pieces respectively and vertically on a floor, to fix the piece on a sill, and by fitting the adjacent form piece via a corner form, to connect respective L-shaped column clamps to each other. CONSTITUTION:L-shaped clamps 2 are composed of each one set of upper and lower L-shape steels, and into engaging holes arranged on ribs 3 arranged saliently on the outer peripheral surfaces of sheathing boards 1, hook bolts 4 are thrust, and are connected to the sheathing boards 1 via nuts 6. After that, on a sill C, a one-side L-shaped column form A is suspended to be fitted with nails, and the other side form piece A is suspended to be fitted with the nails, and both the form pieces A, A are connected to each other with bolts 10 and nuts 11 via a corner form D. After that, the fastening bolt 7 of the form piece A is rotationally moved, and is fitted in the branch-shaped section of the fitting receiving piece 9 of the adjacent form piece A and is connected to, and a column form main-body is combined. As a result, work is simplified, and a constructing process is shortened.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method of constructing column forms for buildings, etc., and a column form used in the same construction method.

(Conventional technology) Conventionally, this type of construction method involves (1) using plywood for the weir board, and forming a plywood formwork into a panel by joining with seed wood so as to cover one side of a predetermined column size; A method of assembling the column formwork by erecting it at the column position, maintaining the same formwork at a predetermined interval with a separator, arranging horizontal end pieces, and tightening them with the separators and form ties. A commonly used method is to erect a panel made of a compact metal formwork at a column position, and then assemble the outer periphery of the panel with column clamps.

(Problem to be solved by the invention) However, the method (il) requires a lot of man-hours for processing, assembly, and disassembly, and requires a lot of time and effort, and the method (11) has good versatility, but Since the assembly and disassembly of small panels are repeated, there was also the problem of poor workability.

The present invention has been proposed in view of the problems of the prior art, and its purpose is to provide a method for constructing column formwork that simplifies work and shortens the process, and has good versatility. The main point is to provide column formwork used in this construction method.

(Means for Solving the Problems) In order to achieve the above object, according to the method of constructing column formwork according to the present invention, a sill is fixed at the column position on the column construction floor, and then an L-shape is installed on the outer peripheral surface. Of the pair of L-shaped column frame pieces to which the column clamps have been tightened, the one L-shaped column frame piece is erected and fixed to the bedding and supported vertically on the floor, and then the other L-shaped column frame piece is The column frame pieces are erected and fixed to the side of the bed, and the adjacent twin column frame pieces are fastened together via the corner formwork, and each of the double column frame pieces is This is to fasten the mold column clamps together.

Further, the column formwork is composed of a pair of L-shaped metal column formwork pieces,
L-shaped clamps are fastened to the outer periphery of each column frame piece at appropriate intervals, the base end of a tightening bolt is pivotally supported at one end of the column clamp, and the base end of a tightening bolt is pivotally supported at the other end. A receiving piece for tightening the tightening bolt is provided.

(Function) According to the present invention, as described above, a pair of lumber-shaped column frame pieces having L-shaped column clamps fastened to the outer peripheral surface are used, and a paver fixed to the column position on the column construction floor is used. One of the L-shaped column frame pieces is erected and fixed horizontally on the same bed to support it vertically on the floor, and then the other L-shaped column frame piece is erected in a predetermined position and fixed to the bed, and By tightening the ML type column frame pieces via the corner formwork, assemble a column form main body of the required dimensions and shape with the gap type column frame pieces,
Furthermore, by fastening the respective clamps of the double-sided column form frame pieces, the double-sided column form frame pieces are held in the assembled position and can resist the pressure of poured concrete. be.

In addition, when demolding, the double-sided column frame pieces can be easily disassembled by reversing the previous process.

The column formwork according to the present invention consists of a pair of L-shaped metal formwork pieces, and the L-shaped column clamps are fastened to the outer periphery of each of the formwork pieces at appropriate intervals. After maintaining the shape in a predetermined shape, when assembling or disassembling the two-sided column frame pieces, the tightening bolts pivotally supported by the L-shaped column clamps of one of the two-sided column frame pieces are connected to the other L-shaped column frame pieces. By tightening or releasing the clamping receiver provided on the L-shaped column clamp of the formwork piece, the double column type frame piece can be easily assembled and disassembled, and after disassembly, other It can be used for different purposes.

(Example) The present invention will be described below with reference to the illustrated embodiments.

The frame is a pair of lumber-shaped column frame pieces, and L-shaped column clamps (2) are fastened at predetermined intervals around the outer periphery of a metal weir plate (1) assembled in an L-shape.

Figure 5 shows the mounting part of the L-shaped column clamp (2), which is composed of a pair of upper and lower L-shaped steel, and has ribs (3) protruding from the outer peripheral surface of the weir plate (1). Hook bolt (4) with one end hooked to the locking hole provided in the
is inserted into the gap between the pair of L-shaped steels, and the threaded end of the hook bolt (4) is fastened to the double-shaped steels via the washer (5) and nut (6), thereby forming the L-shaped column. A clamp (2) is fastened to the weir plate (1).

The base end of a tightening bolt (7) is rotatably supported at one end of the column clamp (2) via a pin (8), and the tightening bolt (7) is rotatably supported at the other end of the column clamp (2). A two-pronged fastening receiving piece (9) into which the threaded end portion of 7) fits is welded.

After marking out the column position on the pillar construction floor +81, we fixed a bevel (0) at the same position, and moved one side of the bevel (0) to the same bevel (0) using a forklift with a rotary attachment (not shown). A piece of columnar formwork is suspended, the lower part of the piece of columnar formwork is nailed to the flooring (0), and one piece of columnar formwork is placed on the floor (a) by a support (not shown). to be supported vertically.

Next, the other L-shaped column form frame piece is lifted by the forklift, the lower part of the same form frame piece is nailed to the floor t4 (O), and the two-sided column form frame pieces adjacent to each other are fixed. are fastened with bolts (10) and nuts (11) through the corner formwork 0, and at the same time rotate the tightening bolts (7) of the above-mentioned column formwork pieces (2) to tighten the bolts (7). Insert the threaded end of the two into the forked part of the fastening receiving piece (9) of the adjacent formwork piece and tighten the oak l-(12) with a hinge. Assemble the main column formwork using the frame pieces, assemble the upper auxiliary plywood formwork (F) excluding the upper beam form, pour concrete, and after the poured concrete has hardened, replace the formwork by reversing the process above. will be dismantled and repurposed as the next work site.

(Effects of the Invention) According to the present invention, as described above, a pair of rectangular column frame pieces each having an L-shaped column clamp fastened to the outer peripheral surface are used, and one of the rectangular column frame pieces is used to construct a column. It is erected on the floor, fixed to the sills fixed at the column positions according to the same law, and supported vertically on the floor, and then the other pair of pillar form pieces are erected to form the adjacent pair of pillar forms. The column formwork was assembled by tightening the column formwork through the corner formwork, and the shape of the column form was maintained by fastening the column clamps of each of the double column form pieces to each other. By doing this, the column formwork can be assembled quickly and easily, and the gage ζ formwork can be easily dismantled by performing the reverse process to the above, saving labor and shortening the process. Diversion becomes possible.

The invention as claimed in claim 2 provides an L-shaped column clamp that is fastened to the outer circumferential surface of the L-shaped formwork piece at appropriate intervals, and a base end of a tightening bolt is pivotally supported at one end of the column clamp. By configuring the column formwork with a pair of rectangular column formwork pieces each having a receiving piece for tightening the same tightening bolt at the other end, the above construction method can be carried out smoothly. This not only saves labor in assembling and dismantling the frame, but also makes it possible to use it for other purposes.

[Brief explanation of drawings]

Fig. 1 is a front view showing the implementation status of one embodiment of the method for constructing column formwork according to the present invention, Fig. 2 is a cross-sectional plan view thereof, Fig. 3 is a partially enlarged view of Fig. 2, and Fig. 4 5 is a perspective view of an L-shaped material form piece, and FIG. 5 is a perspective view showing an attachment portion of an L-shaped column clamp in the same column form piece. Prisoner... L-shaped material formwork piece, (a... Column construction floor, (Q...
・・Laying side, ■・・Corner formwork, (1)
...Weir plate, (3)...Rib, (5)...Washer, (7)...Tightening bolt, (9)...Tightening piece, (11)...Nut , (2)...L-type column clamp 4)...Hook bolt, 6)...Standard, 8)...Pin, 10)...Bolt, 12)...Nut. Mbu,

Claims (1)

[Scope of Claims] 1. One of the L-shaped columns of a pair of L-shaped column frame pieces in which a bedding is fixed at the column position on the column construction floor, and then an L-shaped column clamp is fastened to the outer peripheral surface. A piece of formwork is erected and fixed to the sill, and supported vertically on the floor, and then the other L-shaped column formwork piece is erected and fixed to the sill, and the pair of L-shaped columns adjacent to each other are erected and fixed to the sill. A method of constructing a column formwork, which comprises fastening the formwork pieces through corner formwork and also fastening the L-shaped column clamps of both L-shaped column formwork pieces to each other. 2. Consisting of a pair of L-shaped metal column frame pieces, L-shaped clamps are tightened at appropriate intervals on the outer periphery of each column frame piece, and a tightening bolt is attached to one end of the L-shaped column clamp. A column formwork characterized in that a base end is pivotally supported and a receiving piece for tightening the tightening bolt is provided at the other end.