JPH0626295A - Adjusting method for building frame surface - Google Patents

Abstract

PURPOSE:To enable the chipping treatment of building surface to be safely undertaken. CONSTITUTION:A plurality of slits 2 having the predetermined depth are preliminarily formed on the surface of a building frame body 1 at the predetermined intervals. The slits 2 comprise open slits 6 and crushing slits 5 alternately arranged. The slits 5 are filled with a crushing agent 3, and this agent 3 is caused to expand via chemical reaction. Then, the surface of the body 1 is chipped. As a result, one side of the body 1 is pressed with the agent 3, and the other side is exposed to the atmosphere in the slits 6. Thus, the surface of the body 1 is crushed and can be chipped. Consequently, the necessity of applying an impact to the body 1 can be eliminated, and the safety of the body 1 can be improved at the chipping process thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for adjusting a skeleton surface which hangs the surface of a skeleton body such as concrete or rock.

[0002]

2. Description of the Related Art Generally, in the method of adjusting the body surface of concrete, bedrock, etc., an impact adjusting method of adjusting the surface of the body body of concrete, bedrock, etc. with an impact machine such as a call pick hammer, a breaker, etc. A cutting adjustment method of cutting the surface with a cutting machine such as a wire saw is known.

In the above-mentioned impact adjusting method, a mechanical impact is applied to a plurality of positions on the surface of the body of the body by an impact machine such as a coal pick hammer or breaker using compressed air, and the body surface of the body is crushed to crush the body of the body. It was on the surface. In the cutout adjusting method, the excavator is used to arrange the excavation holes in a grid pattern on the surface of the main body of the body, and the excavation holes are cut by a cutting machine such as a wire saw to form cutting grooves. A mechanical impact was applied to the skeleton block surrounded by the excavation hole and the digging groove, each skeleton block was taken out from the skeleton body, and the surface of the skeleton body was attached. After the surface of the skeleton body was subjected to the chipping treatment in this way, concrete was placed on the skeleton body to adjust the skeleton surface.

[0004]

However, in the impact adjusting method and the cutout adjusting method, since the impact is applied to the body of the body from the direction perpendicular to the surface of the body of the body, the impact is applied to the inside of the body of the body. Was transmitted, and there was a possibility of damaging the inside of the main body of the body. After the chipping treatment, concrete is directly placed on the surface of the skeleton. Therefore, when the area for placing concrete is large, it takes a long time to adjust the surface of the skeleton body. Further, the impactor and the excavator partially suspend the surface of the body of the skeleton, move on the body of the skeleton, and scrape the surface of the body of the skeleton. Therefore, it takes a long time and a lot of labor to adjust the surface of the main body.

The present invention effectively solves the above problems, and an object of the present invention is to provide a method for adjusting the surface of a skeleton body, which enables the surface of the skeleton body to be safely suspended.

[0006]

The method for adjusting the surface of a skeleton body according to claim 1 is a method of adjusting the surface of a skeleton body by suspending it with a crushing agent that expands the surface of the skeleton body such as concrete or rock by a chemical reaction. Therefore, a plurality of slits having a predetermined depth are arranged in parallel on the surface of the main body in advance at predetermined intervals, and an inflatable crushing agent is injected into every other of these slits, and the crushing agent is expanded by a chemical reaction. Thus, the surface of the main body of the body is attached.

According to a second aspect of the present invention, there is provided a method for adjusting a surface of a skeleton which is the method for adjusting a surface of a skeleton according to claim 1, wherein a surface of the main body of the skeleton is scraped off, and then a concrete slab provided in advance is added to the surface of the main body of the skeleton. It is characterized by being adhered to.

According to a third aspect of the present invention, there is provided a method for adjusting the surface of a skeleton body, which comprises crushing a surface of a skeleton body such as concrete or rock with a crushing agent that expands by a chemical reaction to adjust the surface of the skeleton body. Slits with a predetermined depth are arranged on the surface of the polygon in a polygonal or circular shape, and crushing holes with a predetermined depth are arranged inside the polygonal or circular shape in a grid pattern, and expansive crushing is performed in these crushing holes. It is characterized in that the surface of the main body of the skeleton is attached by injecting the agent and expanding the crushing agent by a chemical reaction.

According to a fourth aspect of the present invention, there is provided a method for adjusting a surface of a skeleton body, which comprises crushing a surface of a skeleton main body such as concrete or rock with a crushing agent which expands by a chemical reaction to adjust the surface of the skeleton main body. Slits with a predetermined depth are arranged in a polygonal or circular shape on the surface of the, and crushing holes with a predetermined depth are arranged in a grid pattern inside the polygonal or circular shape, while the polygonal or circular shape is formed. With substantially the same outer shape, and provided with a concrete slab having a predetermined depth and substantially the same height as the crushing hole, injecting an expansive crushing agent into the crushing hole, and expanding the crushing agent by a chemical reaction,
It is characterized in that the surface of the body of the skeleton is suspended and a concrete slab is adhered to the surface of the body of the skeleton.

[0010]

According to the method of adjusting the body surface according to claim 1, since a plurality of slits having a predetermined depth are preliminarily arranged side by side on the surface of the body body such as concrete at a predetermined interval, the body body is fitted into these slits. Is partitioned. By injecting an expansive crushing agent into every other of these slits and expanding the crushing agent by a chemical reaction so that the surface of the skeleton body is suspended, one of the skeleton bodies contacting the crushing agent is Since the side surface is pressed and the other side surface is opened to the atmosphere in the slit, the body body between the slits is crushed.

According to a second aspect of the present invention, there is provided a method for adjusting a body surface,
In addition to having the function of claim 1, the surface of the main body of the frame is scraped off, and then a concrete plate provided in advance is bonded to the surface of the main body of the main body, so that the amount of concrete cast on site is small. To be done.

According to a third aspect of the present invention, there is provided a method for adjusting a body surface,
Since a slit having a predetermined depth is arranged in a polygonal shape or a circular shape on the surface of the main body in advance, and a plurality of crushing holes having a predetermined depth are arranged in a lattice shape inside the polygonal shape or a circular shape, The skeleton body is partitioned into polygonal or circular shapes. An expansive crushing agent is injected into the crushing hole, and the crushing agent is expanded by a chemical reaction so that the surface of the main body of the body is suspended, so that a compressive force acts from the crushing hole toward the slit, The main body of the body within the polygon or circle is crushed.

According to a fourth aspect of the present invention, there is provided a method for adjusting a body surface,
A concrete slab having the same function as that of claim 3 and having substantially the same outer shape as a polygon or circle in which slits are arranged and having a height substantially equal to a predetermined depth of the crushing hole is provided, and the crushing hole is provided. Injectable expansive crushing agent into, and by expanding the crushing agent by a chemical reaction, the surface of the skeleton body is suspended, and the concrete plate is adhered to the surface of the skeleton body, so that the skeleton body is partially While being suspended, the surface of the main body of the body is partially adjusted.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the method for adjusting the surface of a skeleton of the present invention will be described below with reference to FIGS.
As shown in FIG. 1, reference numeral 1 denotes a main body of a body such as concrete or bedrock, and reference numeral 2 denotes a plurality of slits provided on the surface of the main body 1 with a predetermined depth and arranged at predetermined intervals. Reference numeral 3 is a crushing agent filled in every other slit 2. The crushing agent 3 is expanded by the progress of a chemical reaction such as a hydration reaction, and this expansion causes the skeleton body 1 to be crushed.

The slit 2 is composed of a crushing slit 5 filled with the crushing agent 3 and an opening slit 6 formed slightly deeper than the depth of the crushing slit 5 and open to the atmosphere. A skeleton block 7 partitioned by these is provided between the opening slit 6 and the crushing slit 5.
Are formed. The side wall of the skeleton block 7 on the side of the opening slit 6 is formed longer than the distance between the opening slit 6 and the crushing slit 5. That is, when the side wall of the crushing slit 5 is pressed, a crack 8 occurs on the line connecting the opening slit 6 of the skeleton block 7 and the bottom of the crushing slit 5, and the skeleton block 7 is removed from the skeleton body 1.

A method of adjusting the surface of the body will be described with reference to FIGS. As shown in FIG. 2, water is sprayed on the surface of the main body 1 with an injector 9 in advance.
Abrasive grains are included in this water, and the abrasive grains are sprayed together with water onto the main body 1 of the body, the main body 1 of the body is ground to a predetermined depth, and the injector 9 is moved in one direction to open the slit 6
To provide. The injector 9 is moved to a position parallel to the opening slit 6 with a predetermined interval, and the spraying force of the injector 9 is slightly weakened, so that the crush slit 5
To provide. Hereinafter, the opening slit 6 and the crushing slit 5 are alternately provided.

As shown in FIG. 3, after the opening slit 6 and the crushing slit 5 are arranged in parallel, the crushing agent 3 is injected into the crushing slit 5. By expanding each of these crushing agents 3 by a chemical reaction, as shown in FIG. 1, the crushing agent 3 presses both side walls of the crushing slit 2, one side wall of each skeleton block 7 is pressed, and each skeleton block 7 is pressed.
Cracks 8 occur at the bottom of the. Further, as the crushing agent 8 expands, the crack 8 grows on the bottom of the crushing slit 5 and the opening slit 6 on a line, and each skeleton block 7 is removed from the skeleton body 7.

Thereafter, the flapping surface 10 from which the skeleton block 7 is removed is washed, and as shown in FIG.
0 is coated with adhesive 11 such as non-shrink mortar grout,
The concrete plate 12 provided in advance is used as the adhesive 11
To adhere to. At this time, the concrete slab 12 and the skeleton body 1 are tightly connected by the anchor rebars 14 arranged in a staggered state. In this way, the new concrete slab 12 is provided on the surface of the main body 1.

According to such a method for adjusting the surface of the skeleton,
Since a plurality of slits 2 each having a predetermined depth are arranged in parallel on the surface of the main body 1 in advance, the main body 1 is partitioned by these slits 2. The opening slits 6 and the crushing slits 5 of these slits 2 are alternately arranged side by side, the crushing agent 3 is injected into the crushing slits 5, and the crushing agent 3 is expanded by a chemical reaction, so that the surface of the main body 1 is Since the construction is made into a temple, one side surface of the skeleton block 7 is pressed by the crushing agent 3, and the other side surface is opened by the opening slit 6.
Since it is open to the atmosphere inside, the skeleton block 7 is crushed. Thus, the pressing force is applied to the side wall of the slit 2 so that the surface of the main body 1 can be removed, so that it is possible to eliminate the need to give an impact to the main body 1 and to damage the inside of the main body 1. Can be eliminated, and the safety of the main body 1 can be improved during the chipping process.

Further, by disposing the long slits 2, the surface of the main body 1 can be subjected to a chipping treatment, and the work of moving an impact machine or the like can be eliminated.
The period required for surface adjustment can be shortened, and the workability of surface adjustment of the main body 1 can be improved. In addition, since the surface of the main body 1 is crushed with the crushing agent 3, an expensive impact machine or the like can be dispensed with, and the cost required for surface adjustment of the main body 1 can be reduced.

Further, since the surface of the skeleton body 1 is suspended, and then the concrete slab 12 provided in advance is adhered to the surface of the skeleton body, the amount of concrete cast on site is reduced. Therefore, it is possible to shorten the period required for surface adjustment of the main body 1.
On the other hand, since the concrete slab 12 is configured to be tightly bound to the skeleton body 1 by the anchor rebars 14, the concrete slab 12 can be firmly fixed to the skeleton body 1, so that the concrete slab 12 is not likely to be removed, and the skeleton body 1 The surface safety can be improved.

<Other Embodiment> Another embodiment of the method for adjusting the surface of the skeleton of the present invention will be described with reference to FIG. As shown in FIG. 5, reference numeral 20 is a main body of the body, and 2
Reference numeral 1 is a slit arranged in a square, 22 is a crushing hole, and 23 is a crushing agent that expands by a chemical reaction. The crushing agent 23 is filled in the crushing holes 22 arranged in a plurality of lattices inside the slit 21.

The slit 21 is formed slightly deeper than the depth of the crushing hole 22 and is open to the atmosphere. That is, when the peripheral wall of the crushing hole 22 is pressed, a crack 24 occurs on the line connecting each crushing hole 22 and the slit 21, and the surface of the skeleton body 20 in the slit 21 is crushed, and the surface of the skeleton body 20 is Removed.

In the method of adjusting the surface of the skeleton, slits 21 having a predetermined depth are arranged in a square shape on the surface of the skeleton body 20 in advance, and a plurality of crushing holes 22 having a predetermined depth are formed inside the slits 21 in a grid pattern. To be installed. On the other hand, the outer shape is approximately the same as the square in which the slit 21 is arranged, and
A concrete slab (not shown) having substantially the same height as the predetermined depth of the crush hole 22 is provided.

After that, the crushing agents 23 are respectively injected into the crushing holes 22, and the crushing agents 23 are expanded by a chemical reaction. These crushing agents 23 press the peripheral wall of the crushing holes 22, and the surface of the main body 20 around these crushing holes 22 is opened by the slits 21. Therefore, between the crushing holes 23 and between the slits 21 and the slits 21. A crack 34 occurs between the adjacent crush hole 23. Further, as the crushing agent 23 expands, the crack 23 grows, the surface of the main body 20 in the slit 21 is crushed, and the surface of the main body 20 is removed. Then, the flapping surface of the main body 20 is washed, an adhesive is applied to the flaming surface, the square concrete slab is adhered to the adhesive, and the concrete slab is tightly bonded to the main body 20.

According to such a method of adjusting the surface of the body,
The slit 2 with a predetermined depth is previously formed on the surface of the main body 20.
Since 1 is arranged in a square shape and a plurality of crushing holes 22 having a predetermined depth are arranged inside the square in a lattice shape, the skeleton body 20 is partitioned into a square shape. Since the crushing agent 23 is injected into the crushing hole 22 and the crushing agent 23 is expanded by a chemical reaction so that the surface of the main body 20 is suspended, a compressive force is applied from the crushing hole 22 toward the slit 21. Works, and the surface of the main body 20 in the square is crushed. Therefore, the skeleton body 20 can be partially hung, and the surface of the skeleton body 20 can be collectively lumped in correspondence with the area of the chipping target portion.
0 surface adjustment workability can be improved.

Further, a concrete slab having substantially the same outer shape as the square in which the slit 21 is arranged and having the same depth as the predetermined depth of the crushing hole 22 is provided in advance, and the surface of the skeleton body 20 is subjected to the scraping treatment. Later, this body 20
Since the concrete slab is adhered to the surface of the skeleton, the skeleton body 20 can be partially suspended. Therefore, a part of the surface of the main body 20 can be easily replaced with a concrete slab, and the workability of adjusting the surface of the main body 20 can be improved. Although the slit and the concrete slab are arranged in a square shape in the other embodiments, the present invention is not limited to this, and may be arranged in a polygonal shape or a circular shape.

[0028]

As described above, according to the method of adjusting the body surface of the present invention, the following effects can be obtained. According to the body surface adjusting method of the first aspect, a plurality of slits having a predetermined depth are arranged in parallel on the surface of the body body in advance, so that the body body is partitioned by these slits. By injecting an expansive crushing agent into every other of these slits and expanding the crushing agent by a chemical reaction so that the surface of the skeleton body is suspended, one of the skeleton bodies contacting the crushing agent is Since the side surface is pressed and the other side surface is opened to the atmosphere in the slit, the body body between the slits is crushed. In this way, pressing force is applied to the side wall of the slit, and the main body of the body can be chipped off.Therefore, it is possible to eliminate the need to give a shock to the body of the body and eliminate the need to damage the inside of the body of the body. The safety of the main body of the body during processing can be improved. Furthermore, by arranging a long slit, the surface of the main body of the body can be processed by chipping, and the work of moving the impact machine etc. can be eliminated, so the period required for surface adjustment of the main body of the body can be shortened, and the surface of the main body of the body can be shortened. The workability of adjustment can be improved.

According to the method for adjusting the surface of the skeleton according to claim 2, the effect of claim 1 can be obtained, and the surface of the skeleton body is slid, and then a concrete slab provided in advance is attached to the skeleton body. Since the structure is adhered to the surface, the amount of concrete poured on site is reduced. Therefore, it is possible to shorten the period required for surface adjustment of the main body of the body.

The method of adjusting the body surface according to the third aspect can achieve the effect according to the first aspect, and at the same time, the slit of a predetermined depth is provided in a polygonal or circular shape on the surface of the body body in advance. Since a plurality of crushing holes having a predetermined depth are arranged in a lattice shape inside the polygonal or circular shape, the skeleton body is partitioned into a polygonal or circular shape. An expansive crushing agent is injected into the crushing hole, and the crushing agent is expanded by a chemical reaction so that the surface of the main body of the body is suspended, so that a compressive force acts from the crushing hole toward the slit, The main body of the body within the polygon or circle is crushed. Therefore, the skeleton main body can be partially hung, and the surface of the skeleton main body can be collectively lumped according to the area of the chipping target portion, so that the workability of adjusting the surface of the skeleton main body can be improved.

The method for adjusting the surface of the skeleton according to claim 4 can achieve the effect according to claim 3, and has substantially the same outer shape as a polygon or circle in which slits are arranged in advance, and has a predetermined crushing hole. A concrete slab having substantially the same height as the depth is provided, and after the surface of the main body of the skeleton is treated with the crushing agent, the construction of the concrete slab is adhered to the surface of the main body of the skeleton. The surface of the main body of the body can be partially adjusted as well as being able to be subjected to hanging treatment. Therefore, a part of the surface of the main body can be easily replaced with the concrete slab, and the workability of adjusting the surface of the main body can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a method of adjusting a body surface according to the present invention.

FIG. 2 is a perspective view showing a slit forming operation of FIG.

FIG. 3 is a perspective view showing a skeleton body having slits filled with a crushing agent in FIG. 2;

FIG. 4 is a cross-sectional view showing a concrete slab installed in the main body of the skeleton body which has been subjected to the fishing treatment in FIG.

FIG. 5 is a front view showing another embodiment of FIG.

[Explanation of symbols]

 1 ・ 20 Main body 2 ・ 21 Slit 3 ・ 23 Crushing agent 12 Concrete plate 22 Crushing hole

Claims (4)

[Claims] 1. A method for adjusting the surface of a skeleton body by crushing the surface of the skeleton body such as concrete or rock with a crushing agent that expands by a chemical reaction, wherein a slit having a predetermined depth is predetermined on the surface of the skeleton body. A plurality of skeletons are provided side by side with an interval of, and an expansive crushing agent is injected into every other of these slits, and the crushing agent is expanded by a chemical reaction, thereby attaching the surface of the skeleton body to the skeleton. How to adjust the surface. 2. The method of adjusting a body surface according to claim 1, wherein the surface of the body of the body is hung, and then a concrete slab provided in advance is adhered to the surface of the body of the body. Adjustment method. 3. A method for adjusting the surface of a skeleton body by suspending the surface of the skeleton body such as concrete or rock with a crushing agent that expands due to a chemical reaction, wherein the surface of the skeleton body is preliminarily provided with slits of a predetermined depth. In addition to arranging in a polygonal or circular shape, a plurality of crushing holes with a predetermined depth are arranged in a grid inside the polygonal or circular shape, and an expansive crushing agent is injected into these crushing holes to chemically decompose the crushing agent. A method for adjusting a body surface, which comprises swelling by a reaction so that the surface of the body is attached. 4. A method of adjusting the surface of a skeleton body by crushing the surface of the skeleton body such as concrete or rock with a crushing agent that expands by a chemical reaction, wherein a slit having a predetermined depth is formed on the surface of the skeleton body in advance. The crushing holes are arranged in a polygonal shape or a circular shape, and a plurality of crushing holes having a predetermined depth are arranged in a grid pattern inside the polygonal shape or a circular shape. A concrete slab having substantially the same height as a predetermined depth is provided, an expansive crushing agent is injected into the crushing hole, and the crushing agent is expanded by a chemical reaction, so that the surface of the skeleton main body is suspended, and the skeleton main body. A method for adjusting a body surface, which comprises bonding a concrete slab to the surface of the body.