KR20100030702A - Land-side protection wall and the method for constrcting thereof - Google Patents

Abstract

PURPOSE: A land-side protection wall which prevents a slope from caving and a construction method thereof are provided to improve a waterproof function by forming a wall body. CONSTITUTION: A cylindrical casing is punched on the ground. A rectangular bearing pile(50) in which a water-barrier injection hose is inserted inside the punched casing. A process of drawing the punched casing is reiterated and a continuous wall body is formed. A liner material is injected into a connection part of the rectangular bearing pile. The excavation of the formed highly-rigid continuous wall body is dug in predetermined depth.

Description

Continuous wall mudguard using square support pile and its construction method {land-side protection wall and the method for constrcting

The present invention relates to a continuous wall soil barrier using a rectangular support pile and a construction method thereof, and more particularly, to a continuous construction method by forming a rectangular support pile consisting of a plurality of order inlets and both sides of the concave and convex surface The present invention relates to a method of forming a continuous wall using support piles, which can form an earth wall, and can perform effective order treatment using a minimum degree of filler in the connection portion between support piles.

In general, when the underground structure is to be constructed, since there is a lack of site space required for digging to a predetermined depth, a wall (temporary or permanent) is formed vertically to secure stability of the excavation back and then form the foundation of the underground structure. The construction works in the order of underground structures and ground structures.

In addition, when constructing the retaining wall, the adjacent site is invaded and supported by anchors or braces. In particular, when the site is to be constructed and the retaining wall is constructed in an incline where there is a steep slope and there is no free space, the retaining wall is needed.

As shown in Figure 1, the construction of the earthenware wall, which supports the soil between the support pile 201 in the process of vertically installing and excavating the support pile (H-pile, PHC support pile) 201 in the prior art (The earth plate, the earth concrete, 202) is formed in the excavation step, and if the order is required, the order construction 205 is separately formed on the back surface of the wall to form a temporary wall temporary facility, and then the strip 203 and the prop 204 on the excavation side. It is common to form a structure such as the construction period is increased due to the installation of the earth plate 202, the construction of the earth concrete, etc. according to the excavation step, and the construction work must be carried out separately on the back, such as poor construction properties and construction cost increase Due to the disadvantages of economic feasibility and the difficulty of injecting in the ground during the order construction, it was difficult to expect the embroidery effect.

In order to solve the above problems, it is possible to easily construct without invading the adjacent site by increasing the rigidity and minimizing the construction area by using the support column, and retaining wall combined with retaining walls that can reduce construction cost and shorten the construction period. Construction method has been devised.

Combined retaining wall and the construction method using the support pillar there is a "dirt combined retaining wall and its construction method" (hereinafter referred to as 'quoting invention') of Patent No. 10-0544012 published in the Republic of Korea Patent Office.

Cited invention is provided with a support pillar 10 having a plurality of hollows 11 having one side inserted into the ground 1 and one side of the outer circumferential surface supporting the rear soil 2, with a predetermined interval, and the support pillar 10 Concrete portion 20 is formed between the), the air anchor 30 is inserted into the hollow portion 11 of the support pillar is installed, the reinforcing member 40 for connecting the upper end of the support pillar (10) Is characterized in that the soil retaining wall combined with the support pillar 10 is vertically coupled.

However, the cited invention has a problem that it is difficult to secure the rear soil (2) independence in the process of removing the soil to form a concrete portion between the support piles, there is a fear of soil loss, it is difficult to secure the stability of the back.

In other words, the time is delayed due to the concrete placing between the supporting piles during the step excavation process, and the difficulty of work is large due to the installation of formwork for forming the concrete part.

The present invention has been made in order to solve the above-mentioned conventional problems, a number of order inlet and both sides constitute a rectangular rectangular support pile consisting of the curved surface of the concave portion and the convex portion to ensure accurate quality by continuous construction wall Can be completely solved the order problem through the degree of treatment that allows to inject a minimum amount of filler material such as cement grout, urethane into the square support pile connection portion, depending on the installation or rear of the earth plate according to the excavation step It is an object of the present invention to provide a continuous wall retaining wall using a square support pile which is very advantageous for shortening the air and reducing the cost, such as not carrying out the work.

According to a feature of the present invention for achieving the above object, the present invention is formed in a curved shape formed on both sides of the concave portion 52 and the convex portion 51, the square support pile formed with a hollow portion 56 in the center It is characterized by constituting the retaining wall with (50).

In addition, the square support pile 50 is composed of a concrete square support pile 50 made of a concrete material, the order injection hose 53 is embedded, the order injection hose to be close to the side where the convex portion 51 is formed, The discharge port 54 penetrating 53 is characterized in that the convex portion 51 is drilled toward the curved surface side.

In addition, when installing the brace 204 and the anchor 207 to the excavation front surface of the square support pile 50, it is characterized in that several bolt holes 55 are formed at predetermined positions to facilitate construction.

In addition, the present invention is the casing perforations (S10) to perforate the cylindrical casing 60 to the ground to a hole in the ground to a predetermined depth; Inserting the square support pile into the casing (60) (S20); A square support pile 50 is inserted into the casing 60 in a fixed state to the ground (S30); Adjacent continuous drilling using the curved surface side of the recess 52 of the pre-inserted square support pile 50 as a guide surface, and forms a high rigid continuous wall through the process of repeating steps S10 to S30 (S40); Injecting the material into the connection portion (A) between the square support pile 50 constituting the continuous wall and excavating the excavation side of the high rigid continuous wall formed by the order treatment (S50) to a predetermined depth (S60) in the soil wall Characterized in that the construction.

According to the continuous wall soil film using the square support pile and the construction method of the present invention, the construction method and the order of construction of the wall wall by excavation using the square support pile composed of the curvature radius of the convex portion and the concave portion are simple and high degree of completion. By greatly improving the workability of horizontal support members such as anchors, it is effective to maximize and maximize the safety, workability, and economics of the wall.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings, Figs. 3 to 10, the same reference numerals are denoted with respect to the components performing the same function in Figs. On the other hand, in the drawings, the illustration of the bolts, screws, holes, washers, nuts, etc. for the coupling and fixing of the major elements are briefly or omitted, and those skilled in the art, such as horizontal support members and anchors, which are generally applied to the present invention, are typically used. Illustrations of the parts that can be seen are omitted or simply shown, and the parts that are related to the present invention are shown. In particular, there are parts in which the size ratio between the elements is somewhat different or the sizes of the structures coupled to each other are different. However, the difference in representation of these drawings is easily understood by those skilled in the art. Omit the description.

Figure 3 is a flow chart showing a construction method for forming the earth wall using the square support pile according to the present invention, Figure 4 is a perspective view showing a square support pile according to the present invention, Figure 5 is a preferred embodiment of the present invention Figure 6 is a perspective view showing a continuous wall retainer using a square support pile, Figure 6 is a schematic diagram showing a process of forming a continuous wall retainer using a square support pile of the present invention, Figure 7 is a preferred embodiment of the present invention According to the cross-sectional view showing the order of the connection between the rectangular support piles from the front, Figures 8 to 10 shows a side view showing a completed state in accordance with a preferred embodiment of the present invention.

The present invention perforates the cylindrical casing (60) to the ground, and inserts the rectangular support pile (50) in which the order injection hose (53) is embedded into the perforated inner diameter of the perforated casing (60) and perforated casing (60). It is characterized by configuring a continuous wall retaining wall to prevent the soil from flowing down or the ground collapses while only the vertical support pile 50 is vertically fixed to the ground through the repeated construction to be drawn again.

Square support pile 50 constituting the continuous wall retaining wall of the present invention is embedded with a plurality of order injection hose 53, as shown in the bar shown in Figure 4, both sides of the concave portion 52 and the convex portion 51 It is formed into a curved surface, the discharge hole 54 penetrating through the order injection hose 53 is formed in the curved surface of the convex portion 51, the hollow portion 56 is formed in the center.

 The square support pile 50 is composed of a ready-made square support pile 50 made of concrete, so that the order injection hose 53 is embedded in close proximity to the side on which the convex portion 51 is formed during manufacturing. Done.

In addition, since the square support pile 50 is manufactured by a centrifugal force, a hollow portion 56 having a predetermined size is formed in the middle, which is filled with sand, cement mortar, grout, etc., if necessary after the wall is formed in the field. In addition, it can be very advantageous in terms of construction management cost because it can be used as an installation hole of the underground inclinometer which checks the wall behavior during the excavation process.

Continuous wall retaining wall using the square support pile 50 according to the present invention by drilling a cylindrical casing having a hollow portion 56 to the ground to cast concrete to the casing inner diameter to draw the casing before the concrete is cured Unlike the piling walls, which are piled up and formed by repetitive processes,

The square support pile 50 is composed of a ready-made pile and inserted into a perforated casing 60 to be fixed to the ground. The filler is injected into several order injection hoses 53 inherent in the square support pile 50 by the gap (or the concave portion and the convex portion facing the gap formed therebetween). There are technical features in constructing wall retainers.

Referring to the construction method of the continuous wall mud using the square support pile 50 of the present invention configured as described above,

As shown in the flowchart of Fig. 3, a hole in the ground is drilled through the casing (S10), which drills the cylindrical casing 60 to the ground to a predetermined depth;

Inserting the square support pile into the casing (60) (S20);

A square support pile 50 is inserted into the casing 60 in a fixed state to the ground (S30);

Adjacent continuous drilling using the curved surface side of the recess 52 of the pre-inserted square support pile 50 as a guide surface, and forms a high rigid continuous wall through the process of repeating steps S10 to S30 (S40);

Injecting the filler material into the connection portion (A) between the square support pile 50 constituting the continuous wall and the degree of treatment (S50);

The excavation side (or the front portion of the square support pile) of the formed high rigid continuous wall to excavation (S60) to a predetermined depth to form a continuous wall mud using the square support pile (50).

As described above, in the present invention, when the continuous wall is formed, the shape of both sides of the square support pile 50 is convex on one side, and the other side is made of a concave radius of curvature before the square support pile 50 is inserted into the square support. At the time of perforation of the casing 60 to support and insert the pile 50, the casing 60 is guided along the curved side 52 of the penis part 52, and subsequent drilling may be performed. In this case, since the convex portion 51 faces the concave portion curved side at the time of order injection, the minimum gap is formed so that it can be processed using the minimum amount of filler material.

As the rectangular support pile 50 is installed by using the perforated casing 60, as shown in FIG. 7, between the concave portion 52 and the convex portion 51 connected to each other between the square support piles 50 as shown in FIG. 7. In the case where the order measures are required as the connection portion A is formed to the thickness of 60, one of several order injection hoses 53 having holes drilled at predetermined intervals in proximity to the curved surface of the convex portion 51 is formed. By injecting a minimum amount of filler material (cement milk or expandable filler material) through the place, the filler material is injected into the connection portion through the drain hole 54 formed in the curved side surface of the convex part 51 to achieve the purpose of the degree.

On the other hand, if the order is incomplete due to poor injection during the excavation process, additional order injection such as 2nd and 3rd order is possible by using another order injection hose, so that the continuous wall with excellent rigidity and high degree of order can be obtained. It can be configured.

On the other hand, when the continuous wall retaining wall formed by the square support pile 50 of the present invention, the horizontal support member (c-shaped steel, 70) on both sides of the excavation front and back to the upper side is configured by bolt assembly. It is configured to support the upper side of the wall as a role of a band so that the continuous wall mud itself can be used as a self-supporting muddle (see Fig. 8) without any other tensioning member so as to receive a uniform earth pressure throughout the wall.

On the other hand, the square support pile 50 according to the present invention is formed on the front surface and the back surface of the wall, the back side can eliminate the settlement of the back side by performing the soil filling before drawing the casing (60),

In particular, when installing the anchor 207 (see FIGS. 9 to 10) by the brace 204 and the anchor pedestal 206 at the site, the bolt is installed at a predetermined position toward the front of the square support pile 50 for easy construction. Forming the hole 55 in advance or formed in the required position in the field is an excellent earth film construction method that can be formed without restriction on the drilling depth and to form a high-quality continuous wall at low cost.

As described above, although the continuous wall retaining wall and the construction method using the square support pile according to a preferred embodiment of the present invention according to the above description and the drawings, but this is just described for example and the technical spirit of the present invention Those skilled in the art will appreciate that various changes and modifications can be made without departing.

1 is a state diagram showing a concave wall structure according to the prior art.

Figure 2 is an exemplary view showing a retaining wall and the construction method of the cinder of the invention.

Figure 3 is a flow chart showing a construction method for forming a retaining wall using a square support pile according to the present invention.

Figure 4 is a perspective view of a square support pile according to the present invention

5 is a perspective view showing a continuous wall retaining wall using a square support pile according to a preferred embodiment of the present invention

Figure 6 is a schematic diagram showing a process of forming a continuous wall retaining wall using a square support pile of the present invention

Figure 7 is a cross-sectional view showing the order of the connection between the square support pile according to a preferred embodiment of the present invention

8 to 10 is a side view showing a completed state in accordance with a preferred embodiment of the present invention

<Description of the symbols for the main parts of the drawings>

201: support pile 202: earth wall 203: belt 204: brace 205: order construction 206: anchor base 207: anchor

1: ground 2; Cotton soil

70: horizontal support (or c-beam) 60: casing 50: square support pile

51: convex portion 52: concave portion 53: order injection hose 54: discharge port

55 bolt hole 56 hollow part

Claims (4)

In constructing the retaining wall using the pile member, Both sides are formed in a curved shape consisting of the concave portion 52 and the convex portion 51, and the square support pile, characterized in that constitutes the wall of the wall with a square support pile 50 formed with a hollow portion 56 in the center Used continuous wall mudguard. According to claim 1, wherein the square support pile 50 is made of a concrete square support pile 50 made of concrete, the order injection hose 53 is embedded in close proximity to the side where the convex portion 51 is formed; , Continuous wall mud using a square support pile, characterized in that the outlet 54 penetrating the order injection hose 53 is bored to the curved side 51. The method of claim 1, wherein when installing the brace 204 and the anchor 207 to the excavation front surface of the square support pile 50, several bolt holes 55 are formed at a predetermined position to facilitate construction. Continuous wall soil wall using square support pile. Casing perforations (S10) to perforate the cylindrical casing (60) to the ground to a predetermined depth in the ground; Inserting the square support pile into the casing (60) (S20); A square support pile 50 is inserted into the casing 60 in a fixed state to the ground (S30); Adjacent continuous drilling using the curved surface side of the recess 52 of the pre-inserted square support pile 50 as a guide surface, and forms a high rigid continuous wall through the process of repeating steps S10 to S30 (S40); It is made of a step of excavating (S60) the excavation side of the high rigidity continuous wall formed by the order treatment (S50) to the connection portion (A) between the square support pile 50 constituting the continuous wall to a predetermined depth (S60). Continuous wall soil construction method using a rectangular support pile characterized in that.

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