KR101059921B1 - Steel column pile construction method using the roller - Google Patents

Abstract

PURPOSE: A method of constructing a steel-frame pile using a roller is provided to remove the need for a separate task to check perpendicularity and enable a beginner to precisely construct, since a roller with a simple structure is attached. CONSTITUTION: A method of constructing a steel-frame pile using a roller comprises next steps. A position to be perforated is selected. Equipment enters the position to be perforated. The position is perforated using excavating equipment. A casing is vertically inserted into the position simultaneously with the perforating step. The perpendicularity of the inserted casing is checked. For the steel frame(P) inserted into the casing to be located on the center of the casing, a plurality of rollers(R) are vertically bonded to the steel frame according to the diameter of the casing.

Description

Steel Column Pile Construction Method Using The Roller}

The present invention is a method for constructing piles on the ground using a casing, without the additional process of adding to the existing member and the method, the ready-made structure of a simple roller is attached, no separate vertical check operation is required, The skilled workers also provide a steel pillar pile construction method using economic rollers that can be quickly and precisely constructed.

In general, the pile used as a foundation in a building structure is a structural member that transfers the load received from the top to the ground can be said to be one of the most important members in the structure.

Therefore, the pile must be constructed in a state where precise verticality is secured at the exact position indicated in the design document to sufficiently exhibit its structural strength.

In particular, the importance of securing the exact verticality of these piles cannot be overemphasized in a structure in which pre-fabricated steel frames are constructed as piles in the field.

1 is a photograph for checking the vertical degree of a conventional steel column.

In the current construction site, the verticality check of the steel frame is performed using (1) a surveying weight or using a surveying device such as a transit installed on the ground as shown in FIG. 1.

In addition, as a more advanced method, (3) a laser injection machine is installed at the lower part of the column, and a target in which a television camera is built in the upper part is used to adjust the vertical degree.

However, (1) the conventional method using a measurement weight has a problem that it takes a considerable time until the surveying stops, it is easy to move by the external environment such as wind, it is difficult to accurately measure the verticality,

(2) When using a measuring instrument such as a transit, measurement from two directions is required and the installation of the instrument is not easy.

(3) Although the method using the laser injection machine and the camera built-in target has high accuracy of the verticality check, there are still problems of high cost and considerable time for installation.

In addition, in most construction sites, it is difficult to obtain a consistent measurement result because the verticality check of a conventional steel column is performed depending on the experience and intuition of a skilled worker.

Therefore, once the construction of the casing secured the verticality is finished, it is urgent to develop an economical method for the unskilled workers to construct a precise vertical pile without expensive equipment.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the related art. The purpose is as follows.

First, to provide a steel pillar pile construction method using a roller that ensures the verticality of the pile without equipment such as transit.

Second, to provide a steel pillar pile construction method using a roller that can be precisely constructed even unskilled workers by simply attaching a ready-made roller to the steel frame according to the diameter of the casing.

Third, to eliminate the manual work required in the conventional pile verticality check process to provide a steel pillar pile construction method using a safe and economical roller with excellent air shortening effect.

Fourth, to provide a steel pillar pile construction method using a roller that can be applied immediately without the process added to the existing construction method.

Fifth, to provide a steel pillar pile construction method using a roller that can be applied as a shear reinforcement (shear connecter).

In order to solve the above technical problem, the present invention uses a steel frame (P) in the method for constructing a pile on the ground (E),

(a) a punching position determining step of selecting a punching position; (b) an equipment import step of bringing equipment into the drilling position; (c) drilling step of drilling the drilling location using the drilling equipment; (d) casing penetration step of vertically injecting the casing (C) in the drilling position in parallel with the drilling step; (e) a casing verticality checking step of checking the verticality of the penetrated casing C; (f) joining a plurality of rollers (R) perpendicular to the steel frame (P) in accordance with the diameter of the casing (C) so that the steel frame (P) inserted into the casing (C) is in the center of the casing (C) Roller bonding step; (g) steel penetration step of injecting the steel frame (P) bonded to the roller (R) to the casing (C); (h) a casing drawing step of drawing out the casing (C); And, (i) a final filling step of injecting the cement milk;

The roller (R), the main body portion 100 is one end is vertically bonded to the steel frame (P) in a steel pipe shape as a whole; And a rotating part 210 formed at an upper end of the main body part 100 so as to rotate 360 degrees, and a lower portion of the rotating part 210 so as to deviate from an extension line of the main body part 100. Provides a method of constructing a steel column pillar using a roller, characterized in that consisting of; wheel portion 200 consisting of a wheel 220 installed in.

In addition, (g) (g`) the first filling step of injecting cement milk before or after the steel intrusion step; provides a steel pillar pile construction method using a roller, characterized in that it further comprises,

In addition, the main body portion 100 of the roller (R) is the upper tube 110, the male thread formed on the outer circumference; A female thread formed therein so that the upper tube 110 is fastened to the upper connection tube 130; And, the outer thread is formed on the outer periphery is a lower pipe 150 is fastened to the lower portion of the connecting pipe 130; provides a steel pillar pile construction method using a roller comprising a.

According to the present invention, the following effects are expected.

First, it provides a steel pillar pile construction method using a roller that ensures the verticality of the pile without the equipment such as transit.

Second, it provides a steel pillar pile construction method using a roller that can be precisely constructed even unskilled workers by a simple process of attaching the ready-made roller to the steel frame in accordance with the diameter of the casing.

Third, it provides a steel pillar pile construction method using an economic roller that is safe and excellent in the air shortening effect by eliminating the manual work required in the conventional pile verticality check process.

Fourth, it provides a steel pillar pile construction method using a roller that can be applied immediately without the process added to the existing construction method.

Fifth, it provides a steel pillar pile construction method using a roller that can apply a roller as a shear stiffener (shear connecter).

1 is a photograph for checking the vertical degree of a conventional steel column.
Figure 2 is a perspective view of the roller used in the steel pillar pile construction method using a roller of the present invention.
Figure 3 is a plan view showing a state in which the roller is attached to the casing is a steel frame pile construction method using a roller of the present invention.
Figure 4 is a cross-sectional view showing a state in which the steel plate with a roller penetrates into the casing in the steel frame pillar construction method using the roller of the present invention.
5 is a flow chart of the method for constructing a steel column pillar using a roller of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

5 is a flow chart of the method for constructing a steel column pillar using a roller of the present invention.

Steel column pillar construction method using a roller of the present invention in the method for constructing piles on the ground (E) using steel frame (P),

(a) a puncturing position determining step of selecting a position to be punctured; (b) an equipment import step of bringing equipment into the drilling position; (c) drilling step of drilling the drilling location using the drilling equipment; (d) casing penetration step of vertically injecting the casing (C) in the drilling position in parallel with the drilling step; (e) a casing verticality checking step of checking the verticality of the penetrated casing C; (f) joining a plurality of rollers (R) perpendicular to the steel frame (P) in accordance with the diameter of the casing (C) so that the steel frame (P) inserted into the casing (C) is in the center of the casing (C) Roller bonding step; (g) steel penetration step of injecting the steel frame (P) bonded to the roller (R) to the casing (C); (h) a casing drawing step of drawing out the casing (C); And, (i) a final filling step of injecting the cement milk;

The roller R,

A main body part (100) having one end vertically bonded to the steel frame (P) in a steel pipe shape as a whole; And a rotating part 210 formed at an upper end of the main body part 100 so as to rotate 360 degrees, and a lower portion of the rotating part 210 so as to deviate from an extension line of the main body part 100. Characterized in that consisting of; a wheel part 200 consisting of wheels 220 installed in.

The (a) drilling position determination step is to select a position to be drilled for the conventional pile construction according to the design book.

The (b) the equipment importing step refers to a step of bringing equipment necessary for excavation and drilling such as augers and casings (C) into a drilling position.

The (c) drilling step refers to the step of drilling the drilling position using a drilling equipment such as augers or bits.

The casing penetration step refers to the step of vertically injecting the casing (C) in the drilling position in parallel with the drilling step, the casing (C) serves to prevent the perforated wall to collapse. In some cases, a stabilizer such as bentonite solution may be added together.

The step (e) checking the casing verticality refers to the step of checking the verticality of the introduced casing (C), the main method is to emit an ultrasonic wave from the center of the upper portion of the upper hole to the inside of the hole, and hit the hollow wall It is desirable to monitor using the so-called Koden TEST, which calculates the distance with the return difference and graphs the verticality and hollow wall excavation.

The roller bonding step (f) is a plurality of rollers (R) in accordance with the diameter of the casing (C) so that the steel frame (P) is inserted into the casing (C) in the center of the casing (C) as shown in FIG. ) Refers to the step of vertically joining the steel frame (P). Welding is mainly used for welding, it is preferable to join in four directions of steel frame (P) as possible.

Figure 2 is a perspective view of the roller used in the steel pillar pile construction method using a roller of the present invention.

The roller R,

A main body part (100) having one end vertically bonded to the steel frame (P) in a steel pipe shape as a whole; And a rotating part 210 formed at an upper end of the main body part 100 so as to rotate 360 degrees, and a lower portion of the rotating part 210 so as to deviate from an extension line of the main body part 100. Characterized in that consisting of; a wheel part 200 consisting of wheels 220 installed in.

In addition, the main body portion 100 of the roller (R) is an outer tube formed with a male thread on the outer periphery (110); A female thread formed therein so that the upper tube 110 is fastened to the upper connection tube 130; And a lower pipe 150 formed on an outer circumference thereof and fastened to a lower portion of the connection pipe 130. In this case, the length of the main body 100 may be adjusted as necessary by rotating the connection pipe 130.

Figure 3 is a plan view showing a state in which the steel is attached to the casing with a roller in the steel pillar pile construction method using the roller of the present invention, Figure 4 is a roller attached in the steel pillar pile construction method using the roller of the present invention It is sectional drawing which shows the state which steel frame penetrates into a casing.

The (g) steel penetration step refers to the step of injecting the steel frame (P) in which a plurality of the roller (R) is bonded to the casing (C). As shown in FIGS. 3 and 4, the steel frame P may be inserted into the casing C having the vertical degree secured while maintaining the vertical angle with the center due to the roller R. As shown in FIG. Therefore, even if there is no separate vertical check for steel (P), the vertical degree of steel (P) is secured. In addition, in some cases, after the injection of steel (P) can be followed by a driving operation.

The casing drawing step (h) refers to the step of drawing the casing (C), and in this case, care should be taken not to collapse the hollow walls of the drilling holes.

The final filling step (i) refers to the step of injecting cement milk into the space between the cavity wall and the steel frame (P) without pressure or hydraulic pressure, and should be injected tightly without voids. Subsequently, after the curing process, the construction of the pile is completed, and the roller R bonded and embedded in the steel frame P may optionally serve as a shear reinforcer in response to the cement milk.

Steel column pillar construction method using the roller of the present invention (g) (g`) the first filling step of injecting cement milk before or after the steel penetration step may be further included.

If the (g`) first filling step is performed before the (g) steel penetration step, the steel frame (P) is introduced into the filled cement milk.

After the (g) steel filling step (g`) the first filling step is made, the cement milk is injected into the space between the inner wall of the casing (C) and the steel frame (P) by pressureless or hydraulic pressure, if possible without voids It must be injected tightly.

In conclusion, the steel pillar pile construction method using the roller of the present invention ensures the verticality of the pile without any equipment such as a transit, and precisely the unskilled construction by simply attaching the ready-made roller to the steel frame according to the diameter of the casing. It is possible to eliminate the manual work required in the conventional pile verticality check process, and it is safe, has excellent air shortening effect, and is economical. In addition, it can be applied immediately without the process added to the existing method.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

Therefore, the claims of the present invention include modifications and variations that fall within the true scope of the invention.

C: casing
E: Ground
P: steel
R: roller
100: main body
110: upper tube
130: connector
150: lower tube
200: wheel part
210: rotating part
220: wheels

Claims (3)

In the method for constructing piles on the ground (E) using steel frame (P),
(a) a puncturing position determining step of selecting a position to be punctured;
(b) an equipment import step of bringing equipment into the drilling position;
(c) drilling step of drilling the drilling location using the drilling equipment;
(d) casing penetration step of vertically injecting the casing (C) in the drilling position in parallel with the drilling step;
(e) a casing verticality checking step of checking the verticality of the penetrated casing C;
(f) joining a plurality of rollers (R) perpendicular to the steel frame (P) in accordance with the diameter of the casing (C) so that the steel frame (P) inserted into the casing (C) is in the center of the casing (C) Roller bonding step;
(g) steel penetration step of injecting the steel frame (P) bonded to the roller (R) to the casing (C);
(h) a casing drawing step of drawing out the casing (C); And,
(i) a final filling step of injecting cement milk;
The roller R,
A main body part (100) having one end vertically bonded to the steel frame (P) in a steel pipe shape as a whole; And,
Is installed at the other end of the main body portion 100 is formed with a rotating portion 210 to the top to rotate 360 degrees, the wheel shaft is installed in the lower portion of the rotating portion 210 so as to deviate from the extension line of the main body portion 100 Steel frame pillar construction method using a roller, characterized in that consisting of; wheel portion 200 consisting of a wheel (220).
In claim 1,
(G) (g`) the first filling step of injecting cement milk before or after the steel penetration step; steel frame pillar construction method using a roller, characterized in that it further comprises.
The method of claim 1 or 2,
The main body portion 100 of the roller (R) is the upper tube 110, the male thread formed on the outer circumference; A female thread formed therein so that the upper tube 110 is fastened to the upper connection tube 130; And, the outer thread is formed on the outer periphery of the lower pipe 150 is fastened to the lower portion of the connecting pipe 130; Steel column pile construction method using a roller comprising a.

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