KR20170078311A

KR20170078311A - Freestanding temporary retaining of deep excavations and its construction method

Info

Publication number: KR20170078311A
Application number: KR1020150188682A
Authority: KR
Inventors: 오용환
Original assignee: 오용환
Priority date: 2015-12-29
Filing date: 2015-12-29
Publication date: 2017-07-07

Abstract

In the present invention, a thumb pile is installed on the ground, a support pile is installed on the back of the excavation of the thumb pile, and horizontal excavation is performed in the direction of the support pile from the thumb pile inserted into the ground in accordance with the depth required to support the thumb pile And then connecting the thumb pile and the support pile to a tie rod connecting member made of a high strength steel bar securing a predetermined tensile force to solve a structural problem and as a result, The present invention provides a self-supporting permanent earth retaining structure and a construction method thereof.
According to an aspect of the present invention, there is provided a self-supporting permanent pile of deep excavation, comprising: a thumb pile inserted into a perforation hole formed at a predetermined distance and a predetermined diameter and depth in a ground; A support pile inserted into a perforation hole spaced apart from the thumb pile by a predetermined distance; And a tie rod connecting member penetrating through the thumb pile and the support pile, wherein the thumb pile is composed of an H beam, the H beam having a flange disposed on both sides, a web fixedly installed between the flanges, And a cut-out portion formed at a predetermined position of the flange, wherein a rectangular front face plate is fixed to the outside of the thumb pile, a through hole is formed at the center of the front face plate, the support pile is formed of an H beam, The H beam is composed of a flange disposed on both sides, a web fixedly installed between the flanges, and a cut-out portion formed at a predetermined position of the flange, wherein a plate with a rectangular fixing nut is fixedly installed outside the support pile, Wherein a nut fixture is formed at the center of the nut attachment plate, and a fixture tool is connected to the fix nut attachment plate, And is tapered so as to become narrower from the end to the other end.
In accordance with another aspect of the present invention, there is provided a self-supporting type permanent earth retaining method for deep excavation, comprising: a thumb pile inserted into a perforation hole formed by drilling a predetermined diameter and depth at a predetermined interval in a ground; A support pile inserted into a perforation hole spaced apart from the thumb pile by a predetermined distance; And a tie rod connecting member penetrating through the thumb pile and the support pile, wherein the thumb pile is composed of an H beam, the H beam having a flange disposed on both sides, a web fixedly installed between the flanges, And a cut-out portion formed at a predetermined position of the flange, wherein a rectangular front face plate is fixed to the outside of the thumb pile, a through hole is formed at the center of the front face plate, the support pile is formed of an H beam, The H beam is composed of a flange disposed on both sides, a web fixedly installed between the flanges, and a cut-out portion formed at a predetermined position of the flange, wherein a plate with a rectangular fixing nut is fixedly installed outside the support pile, Wherein a nut fixture is formed at the center of the nut attachment plate, and a fixture tool is connected to the fix nut attachment plate, (S I) of forming a perforation hole with a predetermined diameter and a predetermined depth at a predetermined interval in the ground, the method comprising the steps of: ; Inserting the thumb pile and the supporting pile into the perforation hole so as to face each other (SII); A step (S Ⅲ) of excavating horizontally while performing a conventional wave measurement using a conventional wave measuring instrument from the thumb pile to the support pile; A step (SIV) of inserting and fixing the tie rod connecting member through the thumb pile and the supporting pile; And a step (S V) of tensioning the tie rod connecting member and fixing the tie rod connecting member with a fixing nut.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary excavation of deep excavation,

The present invention relates to a self-supporting permanent pile of deep excavation and a method of constructing the same, and more particularly, to a pile of a ground pile spaced at a predetermined distance in the direction of the excavation back side of a thumb pile, And a method of constructing the same.

The earth anchor method is generally used to maintain the earth retaining wall during deep excavation for the underground structure construction.

Here, the above-described earth anchor method fixes the earth anchor by inserting the adjacent site more than 10M, but when the use of the adjacent site is restricted, strut or raker method is applied, which is disadvantageous in economy and construction conditions .

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a pile of a pile- The tie rods are horizontally excavated in the direction of the support pile from the thumb pile inserted into the ground in accordance with the depth of the pile and then connected between the thumb pile and the support pile by a tie rod connection member made of a high strength steel bar securing a predetermined tensile force. And as a result, it is possible to improve the economical efficiency and the construction condition, and to provide a method of constructing the same.

According to an aspect of the present invention, there is provided a self-supporting permanent pile of deep excavation, comprising: a thumb pile inserted into a perforation hole formed at a predetermined distance and a predetermined diameter and depth in a ground; A support pile inserted into a perforation hole spaced apart from the thumb pile by a predetermined distance; And a tie rod connecting member penetrating through the thumb pile and the support pile, wherein the thumb pile is composed of an H beam, the H beam having a flange disposed on both sides, a web fixedly installed between the flanges, And a cut-out portion formed at a predetermined position of the flange, wherein a rectangular front face plate is fixed to the outside of the thumb pile, a through hole is formed in the center of the front face plate, and a fixing nut is installed outside the front face plate A small fixing nut having a size smaller than that of the fixing nut is provided on the rear surface of the fixing nut, and the supporting pile is composed of an H beam, the H beam having flanges disposed on both sides, And a cut-out portion formed at a predetermined position of the flange, wherein a plate with a rectangular fixing nut is fixed to the outside of the support pile A fixation nut tool is connected to the fixing nut attachment plate, and the fixation induction fixture is formed in a tapered shape that narrows from one end to the other end, .

In accordance with another aspect of the present invention, there is provided a self-supporting type permanent earth retaining method for deep excavation, comprising: a thumb pile inserted into a perforation hole formed by drilling a predetermined diameter and depth at a predetermined interval in a ground; A support pile inserted into a perforation hole spaced apart from the thumb pile by a predetermined distance; And a tie rod connecting member penetrating through the thumb pile and the support pile, wherein the thumb pile is composed of an H beam, the H beam having a flange disposed on both sides, a web fixedly installed between the flanges, And a cut-out portion formed at a predetermined position of the flange, wherein a rectangular front face plate is fixed to the outside of the thumb pile, a through hole is formed in the center of the front face plate, and a fixing nut is installed outside the front face plate A small fixing nut having a size smaller than that of the fixing nut is provided on the rear surface of the fixing nut, and the supporting pile is composed of an H beam, the H beam having flanges disposed on both sides, And a cut-out portion formed at a predetermined position of the flange, wherein a plate with a rectangular fixing nut is fixed to the outside of the support pile And a fixing nut tool is connected to the fixing nut mounting plate, wherein the fixing inducing tool has a tapered shape that tapers from one end to the other end, As a method for constructing a permanent pavement, a step (S I) of forming a perforation hole at a predetermined distance and a predetermined diameter and a predetermined depth in the ground; Inserting the thumb pile and the supporting pile into the perforation hole so as to face each other (SII); A step (S Ⅲ) of excavating horizontally while performing a conventional wave measurement using a conventional wave measuring instrument from the thumb pile to the support pile; A step (SIV) of inserting and fixing the tie rod connecting member through the thumb pile and the supporting pile; And a step (S V) of tensioning the tie rod connecting member and fixing the tie rod connecting member with a fixing nut.

As described above, according to the present invention, the self-supporting type permanent earth retaining pavement and its construction method of deep excavation can be achieved by simply connecting the thumb pile and the supporting pile with the tie rod connection material, And the construction period and construction conditions are also improved.

FIG. 1 is a perspective view showing a state in which a thumb pile and a supporting pile of a self-supporting permanent pile of a deep excavation according to the present invention are connected by a tie-
FIG. 2 is a side view showing a state in which a thumb pile and a support pile of a self-supporting permanent pile of deep excavation according to the present invention are connected by a tie-
FIG. 3 is a front view showing a state in which a thumb pile and a support pile of a self-supporting permanent pile of deep excavation according to the present invention are connected by a tie-
FIG. 4 is a plan view showing a state in which a thumb pile and a supporting pile of a self-supporting permanent pile of deep excavation according to the present invention are connected by a tie-
FIG. 5 is a perspective view, a front view, a side view, and a side view showing a fixture tool of a self-supporting permanent pile according to the present invention,
FIG. 6 is a perspective view, a front view, a side view, and a side view showing a fixing nut attachment plate of a self-supporting type permanent earth retaining mud according to the present invention,
FIG. 7 is a perspective view, a front view, a side view, and a side view showing a front plate attached to the entirety of a pile of a thumb pile of a self-
8 is a perspective view, a front view, and a side view showing a fixing nut and a small fixing nut for fixing a tie rod connection member of a self-supporting type permanent earth retaining tile according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a state in which a thumb pile and a supporting pile of a self-supporting permanent pile of a deep excavation according to the present invention are connected by a tie rod connection material, and FIG. 2 is a perspective view of a self- FIG. 3 is a side view showing a state in which a thumb pile and a support pile are connected by a tie-rod connection material. FIG. 3 is a state in which a thumb pile and a support pile of a self- And FIG. 4 is a plan view showing a state in which a thumb pile and a support pile of a self-supporting permanent pile of a deep excavation according to the present invention are connected by a tie rod connection material.

As shown in these drawings, the self-supporting permanent pavement of the deep excavation according to the present invention comprises a thumb pile 100 inserted into a perforation hole formed by perforating a predetermined diameter and depth at a predetermined interval in the ground; A support pile 200 inserted into a perforation hole spaced apart from the thumb pile 100 by a predetermined distance; And a tie rod coupling member 300 connected to the thumb pile 100 and the support pile 200. The thumb pile 100 is composed of an H beam 110 and the H beam 110 A web 130 fixedly installed between the flanges 120 and a cutout portion 140 formed at a predetermined position of the flange 120. The cutout portion 140 is formed at a predetermined position of the flange 120, A square plate 700 is fixed to the outside of the pile 100 and a through hole 710 is formed in the center of the plate 700. The front plate 700 has a fixing nut 800 A small fixing nut 900 having a smaller size than the fixing nut 800 is installed on the rear surface of the fixing nut 800 and the supporting pile 200 is composed of the H beam 210 The H beam 210 includes a flange 220 disposed on both sides of the flange 220 and a web 230 fixedly installed between the flanges 220, A plate 600 with a rectangular fixing nut is fixed to the outside of the support pile 200 and a nut fixing hole 610 is formed at the center of the fixing nut mounting plate 600. [ And a fixing oil tool 500 is connected to the fixing nut mounting plate 600. The fixing oil tool 500 has a tapered shape that narrows from one end to the other end.

That is, in the self-supporting type permanent seal according to the present invention, the tie-rod pile 100, the support pile 200, and the tie-rod coupling member 300 interconnecting the thumb pile 100 and the support pile 200, .

Here, the thumb pile 100 includes an H beam 110, the H beam 110 includes flanges 120 disposed on both sides thereof, a web 130 fixedly installed between the flanges 120, And a cut-out portion 140 cut out at a predetermined position of the flange 120.

A rectangular front face plate 700 is fixed to the outside of the thumb pile 100 and a through hole 710 is formed in the center of the front face plate 700.

7, the front plate 700 is formed of a rectangular steel plate as a whole, and a through hole 710 is formed in the center of the front plate 700 so that the tie- It is a perforated member.

The support pile 200 is inserted into a perforation hole at a position opposite to the thumb pile 100 and the support pile 200 is composed of an H beam 210, A web 230 fixedly installed between the flange 220 and a cutout 240 formed at a predetermined position of the flange 220. The flange 220 has a flange 220,

A square fixing nut mounting plate 600 is fixed to the outside of the support pile 200 and a nut fixing hole 610 is formed at the center of the fixing nut mounting plate 600.

6, the fixing nut mounting plate 600 is formed of a rectangular steel plate as a whole, and the nut mounting plate 600 is fixed to the nut mounting plate 600 in such a manner that the tie- A fixing member 610 is formed.

7, a fixing oil tool 500 is connected to the fixing nut mounting plate 600. The fixing oil tool 500 has a taper shape that becomes narrower from one end to the other end, that is, And is formed into a funnel shape.

That is, in order to connect the fixing oil tool 500 to the fixing nut attachment plate 600, the flange 220 and the web 230 of the H beam 210 of the supporting pile 200 are partially cut, (500) having a funnel shape, which is the shape that can best receive the tie rod connection material (300), which is horizontally perforated in the direction of the thumb pile (100) And the fixing oil tool 500 is connected to the fixing nut attachment plate 600 at the rear surface of the flange 220 of the support pile 200.

The tie-rod connection member 300 is formed of a PC steel bar, a PC strand, a wire rope, etc., and if necessary, a coupler 400 or a turnbuckle is inserted into the middle of the tie- It can also be used.

The tie rod coupling member 300 is fixed between the front plate 700 of the thumb pile 100 and the nut fixing port 610 of the fixing nut attachment plate 600 of the supporting pile 200, A small fixing nut 900 having a size smaller than that of the fixing nut 800 is installed on a rear surface of the fixing nut 800. The fixing nut 800 is installed on the outside of the front plate 700,

Hereinafter, the construction of the self-sustaining permanent earth retaining structure of the deep excavation according to the present invention having the above-described construction will be described.

As shown in FIGS. 1 to 8, the self-supporting type permanent earth retaining method for deep excavation according to the present invention is a method for constructing a self-supporting type permanent earth retaining structure for a deep excavation according to the present invention, )and; A support pile 200 inserted into a perforation hole spaced apart from the thumb pile 100 by a predetermined distance; And a tie rod coupling member 300 connected to the thumb pile 100 and the support pile 200. The thumb pile 100 is composed of an H beam 110 and the H beam 110 A web 130 fixedly installed between the flanges 120 and a cutout portion 140 formed at a predetermined position of the flange 120. The cutout portion 140 is formed at a predetermined position of the flange 120, A square plate 700 is fixed to the outside of the pile 100 and a through hole 710 is formed in the center of the plate 700. The front plate 700 has a fixing nut 800 A small fixing nut 900 having a smaller size than the fixing nut 800 is installed on the rear surface of the fixing nut 800 and the supporting pile 200 is composed of the H beam 210 The H beam 210 includes a flange 220 disposed on both sides of the flange 220 and a web 230 fixedly installed between the flanges 220, A plate 600 with a rectangular fixing nut is fixed to the outside of the support pile 200 and a nut fixing hole 610 is formed at the center of the fixing nut mounting plate 600. [ And a fixing oil tool 500 is connected to the fixing nut attachment plate 600. The fixing oil tool 500 has a tapered shape that gradually narrows from one end to the other end, A method of constructing a temporary earth retaining structure, comprising the steps of: forming a perforation hole (SII) at a predetermined distance and a predetermined diameter and depth in the ground; Inserting the thumb pile 100 and the supporting pile 200 into the perforation hole so as to face each other (SII); (S III) horizontally excavating from the thumb pile (100) in the direction of the support pile (200) while performing conventional wave measurement using a conventional wave meter; The step (SIV) of inserting and fixing the tie rod coupling member 300 through the thumb pile 100 and the supporting pile 200; And the step (S V) of tensioning the tie rod coupling member 300 and fixing the tie rod coupling member 300 with a fixing nut 800 and a small fixing nut 900.

That is, the self-supporting type permanent earth retaining method according to the present invention includes a perforation hole forming step (S I); A thumb pile 100, and a supporting step 200 (SII); The horizontal excavation step (SIII); The tie rod connecting member 300 is fixedly installed (SIV); And fixing the fixing nut 800 (S V) are sequentially performed to construct a self-sustaining permanent earth retaining structure.

Here, the perforation hole forming step S I is performed at a predetermined distance and a predetermined diameter and depth in the ground, or a plurality of perforation holes are formed by using a boring machine.

Next, the thumb pile 100 and the supporting pile 200 are inserted into the piercing hole 100 and the supporting pile 200 so as to face each other in the perforation hole.

Particularly, when the thumb pile 100 and the support pile 200 are inserted into the perforation hole, the front plate 700 is attached to the thumb pile and the fixing nut attachment plate 600 and the fixing tool 500 are fixed to the support pile 200, In the state of attaching.

The support pile 200 may include a fixing tool 500 and a nut fixture 500 for easily attracting and fixing the tie rod coupling member 300 in the direction of the nut fixing hole 610, 610 are attached to the fixing nut mounting plate 600.

In order to install the fixing oil tool 500 and the fixing nut attachment plate 600, the flange 220 and the web 230 of the H beam 210 of the supporting pile 200 are partially cut, The fixation tool 500 having a funnel-shaped shape that is most easily received by the tie rod connector 300, which is horizontally perforated in the direction of the thumb pile 100, is formed by welding A portion where the fixing nut attachment plate 600 is inserted and cut at the rear surface of the flange 220 of the support pile 200 is cut off to form a cutout portion 240, When the tool 500 and the fixing nut attachment plate 600 are separately mounted and the rectangular entrance of the fixing tool 500 and the square inlet of the nut fixture 610 are welded together and welded, The tie-rod coupling structure is regarded as being provided with the tie- Punctures embedment the support peg (200).

At this time, the flange 220 and the web 230 of the H beam 210 of the support pile 200 are partially cut off to form a cut portion 240. The cut portion 240 is formed with a fixing oil tool 500 and the nut fixing port 610 are attached to the fixing nut mounting plate 600, the structural problem can be overcome.

In the horizontal excavation step S III, the front face plate 700 of the thumb pile 100 is positioned on the ground, while maintaining the vertical degree of the thumb pile 100 when the thumb pile 100 is closed. The depth coordinate Z which is an installation position of the front plate 700 positioned under the thumb pile 100 is corrected at the position coordinates X and Y of the pile 100, The position coordinates (X, Y, Z: A) of the plate 700 are determined and the vertical position of the support pile 200 is maintained when the support pile 200 approaches A fixed nut mounting plate (not shown) located at a lower position of the support pile 200 at the positional coordinates (X ', Y') of the support pile 200 obtained by taking the position of the nut fixing port 610 of the fixed nut mounting plate 600, (X ', Y', Z ': B) of the fixing nut attachment plate 600 of the support pile 200 is corrected by correcting the depth coordinate Z' at the position of the nut fixture 610 of the support pile 600, And then, on the front plate 700 of the thumb pile 100, (X ', Y', Z ': B) of the support pile 200 at the coordinates (X, Y, Z: point A) As shown in FIG.

The tie rod coupling member 300 is fixedly installed at a step S IV by inserting the tie rod coupling member 300 in the direction of the support pile 200, The step (S) of inserting the tie rod coupling member 300 through the fixing fixing nut attachment plate 600 through the fixing oil tool 500 of the supporting pile 200 V).

The fixing nuts 800 and the small fixing nuts 900 are fixed to the fixing nut mounting plate 600 of the supporting pile 200 in the installation step S IV The tie rod coupling member 300 is inserted into the front plate 700 of the thumb pile 100 and then the tie rod coupling member 300 is appropriately tensioned. Thereafter, the fixing nut 800 and the small- (900).

The preferred embodiments described in the specification of the present invention are intended to be illustrative, not limiting, and the scope of the present invention is indicated by the appended claims, and all modifications that come within the meaning of the claims are included in the present invention. .

100: Thumb pile 110: H beam
120: flange 130: web
140: cut portion 200: support pile
210: H beam 220: Flange
230: web 240: cut-
300: tie rod coupling member 400: coupler
500: Fixing oil tool 600: Fixing nut mounting plate
610: Nut fixture 700: Front plate
800: Fixing nut 900: Small fixing nut

Claims

A thumb pile (100) inserted into a perforation hole formed by drilling a predetermined diameter and depth at a predetermined interval on the ground; A support pile 200 inserted into a perforation hole spaced apart from the thumb pile 100 by a predetermined distance; And a tie rod coupling member 300 connected to the thumb pile 100 and the support pile 200. The thumb pile 100 is composed of an H beam 110 and the H beam 110 A web 130 fixedly installed between the flanges 120 and a cutout portion 140 formed at a predetermined position of the flange 120. The cutout portion 140 is formed at a predetermined position of the flange 120, A square plate 700 is fixed to the outside of the pile 100 and a through hole 710 is formed in the center of the plate 700. The front plate 700 has a fixing nut 800 A small fixing nut 900 having a smaller size than the fixing nut 800 is installed on the rear surface of the fixing nut 800 and the supporting pile 200 is composed of the H beam 210 The H beam 210 includes a flange 220 disposed on both sides of the flange 220 and a web 230 fixedly installed between the flanges 220, A plate 600 with a rectangular fixing nut is fixed to the outside of the support pile 200 and a nut fixing hole 610 is formed at the center of the fixing nut mounting plate 600. [ And a fixing oil tool 500 is connected to the fixing nut mounting plate 600. The fixing oil tool 500 is formed in a tapered shape that narrows from one end to the other end, Self-sustaining hypothetical earthwork of excavation.

A thumb pile (100) inserted into a perforation hole formed by drilling a predetermined diameter and depth at a predetermined interval on the ground; A support pile 200 inserted into a perforation hole spaced apart from the thumb pile 100 by a predetermined distance; And a tie rod coupling member 300 connected to the thumb pile 100 and the support pile 200. The thumb pile 100 is composed of an H beam 110 and the H beam 110 A web 130 fixedly installed between the flanges 120 and a cutout portion 140 formed at a predetermined position of the flange 120. The cutout portion 140 is formed at a predetermined position of the flange 120, A square plate 700 is fixed to the outside of the pile 100 and a through hole 710 is formed in the center of the plate 700. The front plate 700 has a fixing nut 800 A small fixing nut 900 having a smaller size than the fixing nut 800 is installed on the rear surface of the fixing nut 800 and the supporting pile 200 is composed of the H beam 210 The H beam 210 includes a flange 220 disposed on both sides of the flange 220 and a web 230 fixedly installed between the flanges 220, A plate 600 with a rectangular fixing nut is fixed to the outside of the support pile 200 and a nut fixing hole 610 is formed at the center of the fixing nut mounting plate 600. [ And a fixing oil tool 500 is connected to the fixing nut attachment plate 600. The fixing oil tool 500 has a tapered shape that gradually narrows from one end to the other end, As a method for constructing a temporary earth retaining structure,
Forming a perforation hole (S Ⅰ) by drilling a predetermined diameter and depth at a predetermined interval on the ground;
Inserting the thumb pile 100 and the supporting pile 200 into the perforation hole so as to face each other (SII);
(S III) horizontally excavating from the thumb pile (100) in the direction of the support pile (200) while performing conventional wave measurement using a conventional wave meter;
The step (SIV) of inserting and fixing the tie rod coupling member 300 through the thumb pile 100 and the supporting pile 200;
And a step (S V) of tensioning the tie rod coupling member (300) and fixing the tie rod coupling member (300) with a fixing nut (800) and a small fixing nut (900).

3. The method of claim 2,
The horizontal excavation step S III is a step in which the thumb plate 100 of the thumb pile 100 maintains the vertical position of the thumb pile 100 when the thumb pile 100 is closed, The depth coordinate Z which is an installation position of the front plate 700 positioned below the thumb pile 100 is corrected at the position coordinates X and Y of the thumb pile 100, (X, Y, Z: A point) of the support pile 200 is determined and the vertical position of the support pile 200 is maintained when the support pile 200 approaches The installation position of the fixing nut attachment plate 600 positioned below the support pile 200 at the positional coordinates (X ', Y') of the support pile 200 obtained from the ground at the position of the nut attachment plate 600 The depth coordinate Z 'is corrected to determine the position coordinates (X', Y ', Z': B 'point) of the fixing nut attachment plate 600 of the support pile 200, At the position coordinates (X, Y, Z: A) of the front plate 700 of the support plate (X ', Y', Z ': B point) direction of the fixed nut mounting plate (600) of the fixed nut (200) Construction method.