JPH064150U - Reinforcing rod assembly retainer for cloth foundation - Google Patents

Abstract

(57) [Summary] [Purpose] To strengthen the assembly of the reinforcing bar for the cloth foundation easily without requiring skill, and to reduce the number of steps. [Structure] An assembly-retaining metal fitting for a cloth foundation that combines a pair of assembly bars consisting of vertical bars and vertical bars and a ladder-shaped base bar composed of frame bars and horizontal bars, one of which is a vertical It is composed of a spring bar that engages the reinforcing bar and the frame bar, and the other is composed of a cross-shaped soft metal wire having a binding end for the vertical bar and the vertical bar.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention proposes a holding metal fitting suitable mainly for assembling a reinforcing bar of a reinforced concrete cloth foundation for a three-story house.

[0002]

[Prior art]

 Up to now, assembling of the reinforcing bar of the cloth foundation for a three-story house has been done by assembling a plurality of crank-shaped vertical reinforcements 1 and a plurality of longitudinal reinforcements 2 as shown in FIG. As shown in Fig. 3, at the construction site, a ladder-shaped base reinforcement made by combining the pair of frame reinforcements 3 and a plurality of transverse reinforcements 4 was manufactured at the factory. A standard for combining the assembled muscles of a pair at an exact distance by arranging the muscles 1-1 to face each other and arranging the ladder-shaped base muscles so that the floor muscles 1-2 and the transverse muscles 4 are aligned below them. It was usual to apply a jig, and assemble the superposed part of the tip part of the apex muscle 1-1 facing each other, and the bottom muscle 1-2 and the horizontal muscle 4 by binding with iron wire, respectively.

However, there has been a problem that the work at these construction sites requires a certain degree of skill and takes a lot of man-hours.

Here, FIG. 1 is a perspective view of an assembled muscle, in which the assembled muscle has a plurality of standing muscles having a top muscle 1-1 and a bottom muscle 1-2 through upper and lower bending corners. A muscle 1 and a longitudinal muscle 2 extending in multiple stages in a direction perpendicular to the apex muscle 1-1 and the floor muscle 1-2 are joined and formed at their intersections. FIG. 2 is a perspective view of the base muscle. In the drawing, the base muscle is formed by arranging a plurality of horizontal muscles 4 in a ladder shape on a pair of frame muscles 3 and joining them at each intersection.

Further, FIG. 3 is a vertical cross-sectional view of a reinforcing bar for a cloth foundation, which is a combination of a pair of assembling bars and a base bar. In the figure, the reinforcing bar for cloth foundation has a base muscle below a pair of assembled muscles in which the apex muscles 1-1 face each other. And the horizontal streaks 4 are bound by the smoothed iron wire 5 and combined. In the figure, 6 is a spacer and 7 is a glyme. The spacer 6 is used to space the glyce 7 and the base muscle. Further, 8 indicates the outer surface of the reinforced concrete cloth foundation.

[0006]

[Problems to be solved by the device]

 This invention intends to solve the above-mentioned problems in an advantageous manner, and a reinforcing bar assembly holding metal fitting for easily assembling a strong reinforcing bar of a cloth foundation for a three-story house without requiring skill. The purpose is to propose.

[0007]

[Means for Solving the Problems]

 The summary of this invention is as follows. Through the upper and lower bending corners, a plurality of crank-shaped vertical muscles having opposite apical muscles and floor muscles, which extend in equilibrium with each other in opposite directions, are vertically extended in a direction perpendicular to the apical muscles and the floor muscles. A pair of frames with the transverse muscles aligned with each floor muscle under a paired arrangement posture of the assembled muscles that unite the vertical muscles and the vertical muscles and the vertical muscles that face each other. In a reinforcing bar for a cloth foundation using a ladder-shaped base bar united with a bar, a spring bar having hooks for respectively connecting a longitudinal bar and a frame bar under restraint in the above-mentioned bar arrangement posture of a pair of assembled bars An assembling and retaining metal fitting for a reinforcing bar for a cloth foundation, which is characterized in that it is an assembling retaining metal fitting for a reinforcing cloth for a cloth foundation, which has spacer legs at the free end of the above-mentioned retaining metal fitting.

Further, in the above-mentioned reinforcing bar for cloth foundation, assembling of the reinforcing bar for cloth foundation, which is composed of a cross-shaped soft metal wire having binding ends for vertical bars and vertical bars under restraint of the pair of assembly bars in the above-mentioned bar arrangement posture. It is a holding metal fitting.

[0009]

According to one of the inventions, the left and right longitudinal muscles 2 under the condition that the base muscles are arranged under the posture in which the pair of assembled muscles face each other as shown in FIG. And a frame metal 3 having a hook that engages with the frame bar 3. The holding metal fitting is used to hold the longitudinal bar 2 and the frame bar 3 between the hook portions, respectively. Then, they are pressed from the outside to firmly connect the assembled muscle and the base muscle of the pair.

Then, the holding metal fittings are attached at appropriate intervals in the longitudinal direction of the longitudinal reinforcing bars 2 to assemble the reinforcing bars for the cloth foundation, and the intervals of the pair of the assembly reinforcing bars are accurately combined. Can be assembled accurately without the use of standard jigs, and the work is extremely easy and takes a short time.Furthermore, the use of this holding bracket strengthens the structural structure of the reinforcing bar, making it easier to use during concrete injection. It also works effectively to prevent the assembly muscles from expanding.

Further, by providing a spacer leg at the free end of the holding metal fitting, the spacer 6 shown in FIG. 3 can be eliminated, and each rebar can be reliably encased in concrete.

On the other hand, the other one is a soft girder-like soft body having ends for binding the vertical bar 1 and the longitudinal bar 2 at their joints in the arrangement position of the assembled bar shown in FIG. A holding metal fitting made of a metal wire. This holding metal fitting is connected so that the intersection of the cross-shaped soft metal wire fits to the apex of the quadrangle formed at the junction of the vertical bar 1 and the longitudinal bar 2. There is.

By using such a cross-shaped holding metal fitting, by winding the binding end of the cross-shaped holding metal fitting around the vertical reinforcement 1 and the vertical reinforcement 2 at each joint between the vertical reinforcement 1 and the vertical reinforcement 2. Combining pairs of building muscles. The holding metal fittings are used to combine a pair of assembling bars at appropriate intervals in the longitudinal direction of the longitudinal streak 2, and it is possible to easily and accurately combine them without using the above-mentioned standard jig. You can

Further, even when this protective metal fitting is used, the reinforcing bars are structurally reinforced, and it is advantageous in preventing the outward expansion of the assembly bars during concrete injection. Here, the above-mentioned two holding metal fittings may be used alone or in combination, and when they are used in combination, a stronger reinforcing bar can be assembled. The binding of the smoothed iron wire at the overlapping portion of the pair of vertebral muscles 1-1 of the assembled muscles may be omitted, or may be simply performed at appropriate intervals in the arrangement direction.

The reinforcing bars used for the reinforced concrete cloth foundation of a three-story house are usually hot-rolled deformed steel bars D10 to D16 for assembly bars and hot-rolled deformed steel bars D10 to D16 for base bars. Suitable as the holding metal fittings used for the above, a soft steel wire or a normal iron wire with a wire diameter of 7 to 8 mmφ is suitable for the spring bar, and a normal iron wire or annealed iron wire with a wire diameter of 4 to 7 mmφ is suitable for the soft metal wire.

[0016]

【Example】

 A holding metal fitting made up of spring bars for respectively engaging one of the longitudinal bars 2 and the frame bars 3 of the present invention will be described with reference to the drawings.

FIG. 4 and FIG. 5 are perspective views of a holding metal fitting made of spring bars, and FIG. 5 is provided with spacer legs. As shown in these figures, the holding metal fitting made of the spring bar 9 has a curved part A mainly for the spring function in the center thereof, and a hook part B 2 which holds the longitudinal bar 2 symmetrically, and a hook part B 1 below it. It has a hook portion C for holding the frame streak 3. In addition, in FIG. 5, the spacer leg D is provided at the free end, and the spacer for laying the reinforcing bar is unnecessary.

Another cross-shaped holding metal fitting is, as shown in the perspective view of the cross-shaped holding metal fitting of FIG. 6, an iron wire or the like as the soft metal wire 10, and the vertical wire 1 and the vertical wire are connected as described above. It is joined by spot welding etc. so that the intersection of the cross-shaped soft metal wire 10 fits the apex of the quadrangle formed at the junction with the streak 2.

The assembling of the reinforcing bar for the cloth foundation using the holding metal fittings (with spacer legs) made of the spring bars 9 and the cross-shaped holding metal fittings is as follows. It becomes like a perspective view showing the state. In the figure, the holding metal fittings made of spring bars 9 are clamped so as to press the lowermost vertical reinforcements 2 and frame reinforcements 3 from the outside, and the cross-shaped holding metal fittings stand upright with the upper two vertical reinforcements 2. Wrap the binding end of the cross-shaped holding bracket around the longitudinal bar 2 and the vertical bar 1 at the joint with the bar 1 and fix them.

Note that, in FIG. 7, the horizontal bar 4 and the bottom bar 1-2 are arranged so as to be along each other, but when a holding metal fitting made of a spring bar is used, the positions may be different.

Using the hot-rolled different steel bars D10, D13 and D16 for the assembly bars and the base bars, the vertical bars 1 having a height of 500 to 2000 mm are arranged at a pitch of 300 mm, and the vertical bars 1-1 and the bottom bars are used. Length: 3640-4000mm lengthwise streaks 2 between 3 and 6 are assembled at equal intervals from 3rd to 6th stairs, and length: 3640-4000mm frame streaks 3, length: Assembling the rebar for the fabric foundation (average fabric base total length: 120 m) for one 3-story house, using the base reinforcement that combines the horizontal reinforcement 4 of 50 to 200 mm with a bitness of 300 mm. When binding with a conventional iron wire (comparative example), b. When the holding metal fittings made of spring bars 9 are used with a pitch of 1500 mm, c. When using a girder-shaped holding metal fitting with a pitch of 1500 mm, d. When both the holding metal fittings consisting of the streak 9 and the double-sided holding metal fittings were used at a pitch of 1500 mm, the average man-hours for 7 to 10 houses were compared.

Here, the spring bar 9 is made of a normal iron wire having a diameter of 7 to 8 mm, and the holding metal fitting has the same shape as that shown in FIG. 5, and the soft metal wire 10 of the cross-shaped holding metal fitting has a diameter of 4 to 7 mm. I used a normal iron wire.

As a result, the man-hours are a total of 32 hours for two skilled persons in the case of a. (Comparative example), a total of 6 hours for two persons in the case of b. And a total of 10 hours for two persons in the case of c. In case of d., a total of 14 hours for two people, and by using the holding metal fittings of this invention, the man-hours for assembling the reinforcing bar were significantly reduced.

Further, when these holding metal fittings were used, a strong reinforcing bar could be assembled, and concrete pouring could be easily performed without paying attention to the width expansion of the vertical bar 1 at the time of concrete injection.

[0025]

[Effect of device]

 This invention is an assembly-retaining metal fitting for a fabric foundation, which is a combination of a pair of assembling bars consisting of vertical bars and longitudinal bars and a base bar consisting of frame bars and horizontal bars, one of which is a longitudinal bar. It is composed of a spring bar that engages the bar and the frame bar, and the other is composed of a soft metal wire in the shape of a cross girder having a binding end for the vertical bar and the vertical bar. As a result, the number of man-hours for assembling the reinforcing bar for the cloth foundation can be greatly reduced, and a strong reinforcing bar can be assembled.

[Brief description of drawings]

FIG. 1 is a perspective view of an assembly bar.

FIG. 2 is a perspective view of a base muscle.

FIG. 3 is a vertical cross-sectional view of a reinforcing bar for cloth foundation, which is formed by combining a pair of assembling bars and a base bar.

FIG. 4 is a perspective view of a repair metal fitting made of a spring bar.

FIG. 5 is a perspective view of a repair metal fitting made of a spring bar provided with spacer legs.

FIG. 6 is a perspective view of a cross-shaped holding fitting.

FIG. 7 is a perspective view showing an assembled state of a reinforcing bar for a cloth foundation using a holder.

[Explanation of symbols]

 1 Vertical muscles 1-1 Vertical muscles 1-2 Bottom muscles 2 Longitudinal muscles 3 Frame muscles 4 Horizontal muscles 5 Smoothed iron wires 6 Spacers 7 Grystones 8 Cloth foundation concrete outer surface 9 Spring muscles 10 Soft metal wires A Curves with spring function Part B Hook part C Hook part D Spacer leg

Claims (3)

[Scope of utility model registration request] 1. A plurality of crank-shaped vertical muscles having apical muscles and floor muscles, which are in opposite directions and extend in equilibrium with each other through upper and lower bending corners, in a direction perpendicular to the apical muscles and the floor muscles. Assembling muscles that are united at the intersections of the longitudinal muscles and vertical muscles that extend in multiple stages, and a plurality of transverse muscles that are aligned with each floor muscle under a paired orientation of the assembled muscles that face the apex muscle A reinforcing bar for a cloth foundation using a frame-shaped reinforcing bar and a ladder-shaped base reinforcing bar, which is composed of a spring bar having hooks for engaging the longitudinal reinforcing bar and the frame reinforcing bar under restraint of the pair of assembled reinforcing bars in the repositioning posture. An assembly holding metal fitting for a reinforcing bar for a cloth foundation. 2. An assembly holding metal fitting for a reinforcing bar for a cloth foundation, comprising a spacer leg at a free end of the holding metal fitting according to claim 1. 3. A plurality of crank-shaped vertical muscles having apical muscles and floor muscles, which are in opposite directions and extend in equilibrium with each other through upper and lower bending corners, in a direction perpendicular to the apical muscles and the floor muscles. Assembling muscles that are united at the intersections of the longitudinal muscles and vertical muscles that extend in multiple stages, and a plurality of transverse muscles that are aligned with each floor muscle under a paired orientation of the assembled muscles that face the apex muscle In a reinforcing bar for a cloth foundation that uses a frame-shaped bar and a ladder-shaped base bar, in a bar-shaped soft metal wire having binding ends for vertical bars and longitudinal bars under restraint in the above-mentioned bar arrangement posture of a pair of assembled bars An assembly holding metal fitting for a reinforcing bar for a cloth foundation.