JP2507873Y2 - Pad for temporary support of pillar in push-up method - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pad for temporarily receiving a pillar in a push-up method.

[0002]

2. Description of the Related Art Recently, a so-called push-up construction method has been developed for assembling and sequentially pushing up structures on each floor on the ground to shorten the construction period and improve safety. One example thereof will be described with reference to FIGS.

A support frame 2 is provided on top of a pair of support pillars 1 erected on the ground G, and a pair of tension rods 3 are interposed between the support frame 2 and the ground G. I am nervous with the cushion jack 4.

In the illustrated example, the main body pillar 11 of the steel frame portion 10 of the roof portion after push-up is extended between the support pillars 1 and 1 through the support frame 2, and the lower end portion is a pair of upper and lower climbing. It is supported on the tension rods 3, 3 by the device 5. The support frame 2 is provided between the pair of brackets 12 protruding from the left and right of the main body pillar 11 and the support frame 2.
A pair of temporary receiving members 13 fixed to the above are interposed.

In this way, the following main body pillar (not shown) is added to the lower part of the main body pillar 11 and supported by the tension rods 3 and 3 by the climbing devices 5 and 5. Therefore, the upper climbing devices 5 and 5 are removed and the lower climbing devices 5 and 5 are operated to climb the support columns 1 and 1 to push up the steel frame part 10. Next, after assembling the steel frame portion of the floor of the next floor (not shown) to the support columns 1 and 1, it is pushed up in the same procedure as described above, and the same procedure is repeated.

[0006]

As shown in FIG. 7, the mechanism for transmitting the load on the main body column 11 side to the temporary receiving members 13, 13 by the brackets 12, 12 protruding from the main body column 11 is shown in FIG. As shown, when the main body column 11 is tilted by the tilt angle θ, the clearances L1 and L1 between the members 12 and 13 shown in FIG. 7 are the clearances L2 and L2A (L2 <L
2A). Further, as shown in FIG. 9, the bracket 1
When there is a deviation in the height of 2 or the temporary receiving material 13, the clearance changes to L3, L3A (L3 <L3A). in this way,
If the clearance becomes non-uniform, the load transmitted to the temporary receiving members 13, 13 becomes non-uniform, which is not preferable. Therefore, conventionally, the clearance is corrected by using a steel filler plate or the like.

However, the load of the main body pillars 11 is
During the period transmitted to 13, the main body pillar 11 tilts,
If the height of the temporary receiving material 13 changes, the generated clearance cannot be corrected, and the load transmitted to the temporary receiving material 13 becomes uneven.

According to the present invention, even when the main body column is tilted or the height of the temporary support material is changed during the period when the load of the main body pillar is transmitted to the temporary support material, the load which is not transmitted to the temporary support material is made uniform. It is an object of the present invention to provide a pad for a column temporary receiving portion in the push-up construction method that can be achieved.

[0009]

According to the present invention, in the push-up method, deformation occurs in the plastic region between the bracket projecting from the main body pillar and the temporary receiving material that supports the load of the main body pillar. The pad is made of a material having a characteristic that the change of the reaction force is small even when the above-mentioned progresses.

It is preferable to use nylon, for example, as a material for the pad.

[0011]

In the pad of the temporary receiving portion in the push-up method constructed as described above, the clearance between the bracket and the temporary receiving material is uneven due to the inclination of the main body pillar and the change in the height of the temporary receiving material. , The pad is plastically deformed accordingly, but in the plastic region,
Since the change in reaction force is small even when deformed, the force transmitted to the temporary receiving material is made uniform.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a pad 14 is interposed between a bracket 12 projecting from a main body pillar 11 and a temporary receiving material 13. As shown in FIG. 2, the material of the pad 14 is a material such as nylon, which has a small change in the load, that is, the reaction force even if the deformation progresses in the plastic region A. In addition, the code | symbol B in a figure is a yield point.

FIG. 4 shows a table 15 as shown in FIG.
The characteristics of the strain degree (%) and the stress degree (kg / cm ² ) when the pad 14 is placed on the plate 16 and a compressive load C is applied to the plate 16 placed on the pad 14 are shown.

Next, the operation will be described.

For example, as shown in FIG. 8, the support pillar 11 is inclined by an inclination angle θ, and the brackets 12 and 12 and the temporary receiving members 13 and 1 are provided.
Clearances L2 and L2A from L3 are L2 <L2A
, The pads on each side are compressed and deformed according to the clearances L2 and L2A, respectively.
However, as shown in FIG. 2 and FIG. 3, the nylon pad 14 has a small difference in the reaction force in the plastic region A due to the degree of deformation, so that the force transmitted to the temporary receiving members 13 is made uniform. .

[0016]

[Effect of the Invention] Since the present invention is configured as described above, even when the clearance between the two is uneven during the period when the load of the main body column is transmitted to the temporary receiving material,
The load transmitted to the temporary receiving material can be made uniform.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a deformation-load characteristic diagram.

FIG. 3 is a result diagram of a pad compression test.

FIG. 4 is a front view showing a mode of a compression test.

FIG. 5 is a front view illustrating a push-up method.

6 is a cross-sectional view taken along line XX of FIG.

FIG. 7 is a front view showing a normal state of the bracket and the temporary receiving material.

FIG. 8 is a front view showing a state where a main body pillar is inclined.

FIG. 9 is a front view showing a state where the heights of the bracket and the temporary receiving material are deviated.

[Explanation of symbols]

 A ... Plastic region B ... Yield point C ... Compressive load L1, L2, L2A, L3, L3A ... Clearance 1 ... Support column 2 ... Support frame 3 ... Tension rod 4・ ・ ・ Cushion jack 5 ・ ・ ・ Climbing device 10 ・ ・ ・ Steel frame 11 ・ ・ ・ Main body pillar 12 ・ ・ ・ Bracket 13 ・ ・ ・ Temporary receiving material 14 ・ ・ ・ Pad 15 ・ ・ ・ Table 16 ・ ・ ・ Plate

Claims (1)

(57) [Scope of utility model registration request] 1. In the push-up method, a change in reaction force is caused between a bracket projecting from a main body column and a temporary support material that supports the load of the main body column even if deformation progresses in a plastic region. A pad for temporarily receiving a column in a push-up construction method, characterized in that a pad formed of a material having small characteristics is interposed.