KR100781194B1 - Field prestressed concrete lattice block using wire and it's construcion work method thereof - Google Patents

Abstract

A field prestressed concrete lattice block using a wire and a construction method thereof are provided to increase constructability and solidity by constructing lattice blocks on cutting and banking slopes, and applying prestress to the lattice blocks and binding together using a wire. A field prestressed concrete lattice block(100) comprises a frame(10) installed on cutting and banking slopes and composed of four horizontal bars placed on each corner and connecting bars connected between the horizontal bars at regular intervals and fixed to the ground, reinforcement members(50) equipped with two hooks(51) and put on two sides of the frame, and concrete(60) placed on the upper part of the frames, wherein connecting pipes(30) are connected to the ends of two horizontal bars of the frame to connect adjacent frames in the lattice type and filled with cement paste mixed with an accelerating agent or a binder made of resin to couple each frame temporarily, and a plate is attached to the connecting bar of each frame to apply prestress between the connecting frames and provided with four wire connecting holes at two sides to apply prestress. A construction method of the field prestressed concrete lattice blocks comprises the steps of: leveling or reinforcing the ground of cutting and banking slopes; forming a frame by placing four horizontal bars on each corner of a rectangular cross section and connecting each horizontal bar using a connecting bar, and fixing the end of the connecting bar to the slope to the appointed depth to fix the frame to the banking slope; connecting each frame using a connecting pipe and placing in the lattice type to cover the whole area of the banking slope; connecting a wire to a plate connected to the connecting bar of each frame and applying prestress, and then binding; inserting a reinforcement member to the inside of the frame; placing concrete on each frame; and finishing the surface of the frame and concrete with vegetative soils selectively.

Description

Field Prestressed Concrete Lattice Block Using Wire And It's Construcion Work Method Thereof}

1 is a perspective view of a field prestressed concrete grid block using a wire of the present invention,

2 is a perspective view of the frame extracted from 1,

3 is an installation perspective view showing a plate attached to the frame of FIG. 2 and a wire connected to the plate;

Figure 4 is a perspective view of the installation of the reinforcing member attached to the frame of Figure 2,

5 is a plan view showing a state in which green soil sprayed on the site prestressed concrete lattice block using a wire according to the present invention,

6 is a side view of FIG. 5;

Figure 7 is a side view showing the installation state of the field prestressed concrete lattice block using a wire according to another embodiment,

8 is a first flowchart illustrating a method of constructing a field prestressed concrete lattice block using a wire according to the present invention.

9 is a second flow chart according to the construction method of the field prestressed concrete lattice block using a wire according to the present invention.

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

10: Frame 11: Horizontal Bar

12: connecting bar 20: plate body

21: connector 30: connector

40: wire 50: reinforcing member

51: hook 60: concrete

70: green soil 100: on-site prestressed concrete grid block using wire

200: nailing fixing device for ground reinforcement

The present invention relates to a field prestressed concrete lattice block using wires having excellent construction and robustness compared to conventional lattice blocks because the lattice blocks are directly installed on cut and fill slopes, and the constructed lattice blocks are interconnected by applying prestress. In more detail, a box-shaped frame is constructed by connecting connecting bars to four horizontal bars, and the frame is bonded by prestressing the wires with wires, thereby constructing a skeletal structure and then reinforcing members outside the frame. The present invention relates to a field prestressed concrete lattice block using a wire, and a construction method thereof, characterized in that the assembly is made by placing concrete on top of the frame.

In general, as the industry develops, it is inevitable to develop steep slopes such as mountainous areas by complex construction, new town construction, and road construction.

Therefore, it is required to establish slope stabilization and protection measures that can satisfy the constructability, economic feasibility and environmental preservation while increasing land utilization and securing stability and comfort of residential complexes.

The typical method for slope stability and protection measures is a lattice block, and the lattice block is widely used for assembling and installing a factory product on a slope, and these products are generally small in size due to their ease of transportation, assembly and installation. It is fixed to the slope with a pin or the like.

However, these methods have a disadvantage in that the binding effect with the slope is small, so that the slope surface is relaxed or departed when partial activity occurs over time.

As a method of supplementing these shortcomings and protecting the slope surface and further partially suppressing the slope surface activity, there is a field-pulling lattice block method of placing concrete by installing formwork and assembling reinforcing bars in the field.

Unlike the prefabricated lattice block method, the field-treatment lattice block method can freely adjust the size of the lattice and make the structure stable, thereby actively protecting the slope and suppressing slope surface activity. Difficult to work on the slope surface, skilled workers in the formwork and reinforcing bar assembly is required, the air was long and the construction cost was excessively required.

In general, the lattice block method is a method mainly intended to protect the surface of the slope, but it is necessary to increase the stability of the slope from a more active viewpoint.

In addition, since the work on the inclined plane is mainly made it is important to facilitate the work on the inclined plane. From this point of view, the grid block method may be suitable for the simple protection of the slope, but its use is very limited in the long term to maintain the stability of the slope.

In particular, when there is a strong irregularity such as a long-term rainy season or a heavy rain, which is difficult to predict, it is required to have a method that can simultaneously increase the slope stability as well as the slope protection function.

The present invention has been made in view of the above problems, the first object of the present invention, by constructing a lattice block directly on the cut and fill slope, the constructed lattice block by applying a prestress through the wire to bind to each other, It is to provide a field prestressed concrete lattice block and construction method using the wire of the structure excellent in construction, robustness than the conventional lattice block.

The second object of the present invention is to construct a frame in the form of a box by connecting connecting bars to four horizontal bars, and bind the constructed frame by prestressing the wire with wires, thereby constructing a skeletal structure and then moving the frame to the outside of the frame. It is to provide a field prestressed concrete lattice block and a construction method using a wire that is assembled by assembling the reinforcement member to the concrete on the top of the frame.

These objects of the present invention,

In the lattice block for the stability of the cut and fill slope, and to protect the slope,

Four horizontal bars disposed at each corner of each of the four cross-sections, and the plurality of horizontal bars are connected to each other at regular intervals between the horizontal bars so as to be fixed to the ground by interconnecting each horizontal bar, the end is fixed to the ground A plurality of frames comprising a connecting bar; and a connecting pipe interconnecting the ends of the horizontal bars so that adjacent frames are interconnected to each other and arranged in a lattice form; and prestress is applied between the frames interconnected through the connecting pipe. Wires connected to the plate bodies fixed to the connection bars of the respective frames to be connected to each other and applied by prestressing; and reinforcement installed on horizontal bars which are both sides of the frame to receive and place concrete on top of the frames arranged in the grid form. On-site prestressed cone using a wire, characterized in that the member; It is achieved by the agent grid block.

The plate body is characterized in that four connection holes are further formed for connecting the wire in both directions.

The reinforcing member is characterized in that any one selected from the wire mesh or color resin panel or concrete panel.

Preferably, the reinforcing member further includes a hook formed at an upper portion of the reinforcing member so as to be inserted into the inner side of the frame so that the reinforcing member may be mounted on the horizontal bar.

In the above lattice block it is preferable to spray by attaching the green soil so that the plant can grow on the surface.

Further objects of the present invention,

In the field prestressed concrete lattice block using wire for the protection of cut and fill slope,

Arranging or strengthening the ground of the fill slope; (S100) and four horizontal bars are arranged at each corner of the four-sided section, and each of the horizontal bars through the connecting bar to form a frame, but the frame is End of the connection bar is fixed to the cut slope to a certain depth so as to be fixed to the cut and fill slope; (S200) and connecting each of the frames through a connecting pipe and arranged in a grid form; (S300 And a wire connected to the plate bodies respectively connected to the connection bars of the respective frames so as to be prestressed between the frames connected to each other through the connection pipes, and then applying prestressing to bind the wires (S400). Attaching a member; (S500) and the step of pouring concrete to the top of each frame to complete; (S600) characterized in that comprises Site using the wire is achieved by the construction method of the prestressed concrete grid block.

 After the step S600 in the above, spraying the green soil (germination seed + pulp soil + sludge) to the surface of the frame and pour material for a natural environment; (S610) it is preferable to further include.

 The reinforcing member is preferably any one selected from a wire mesh or a color resin panel or a concrete panel.

 The wire mesh or color resin panel in the above it is preferable to further include a hook formed on the top to be inserted into the inner side of the frame to be mounted on the horizontal bar.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and the preferred embodiments associated with the accompanying drawings.

Hereinafter, the field prestressed concrete lattice block using the wire according to the present invention will be described in detail together with the accompanying drawings.

1 is a perspective view of a field prestressed concrete lattice block using the wire of the present invention, Figure 2 is a perspective view of the frame extracted from Figure 1, Figure 3 is a view showing the plate attached to the frame of Figure 2 and the wire connected to the plate 4 is a perspective view of the reinforcing member attached to the frame of FIG. 2.

As shown in Figures 1 to 4, the present invention constructs a lattice block directly on the cut and fill slope, the constructed lattice blocks are connected to each other by applying a prestress by connecting wires, construction and robustness than conventional lattice blocks On-site prestressed concrete lattice blocks using this highly structured wire.

The grid block 100 is composed of three parts, which are frame 10 installed on the cut and fill slope, the reinforcing member 50 mounted on both sides of the frame 10, and the frame 10 Consists of concrete 60 that is poured into the top of.

As shown in FIG. 2, the frame 10 includes four horizontal bars 11 disposed at respective corners of the four-sided sections, and the horizontal bars 11 are connected to each other to be fixed to the ground. A plurality of horizontal bars 11 are connected to each other at regular intervals, and an end portion is formed of a connection bar 12 fixed to the ground.

Here, the horizontal bar 11 and the connection bar 12 are disposed at each corner of the cross section in the form of a box, and are composed of deformed steel bars having a diameter of about 13 mm to 25 mm. At this time, in addition to the deformed reinforcing bar, it can be composed of steel pipe or steel bar material.

In addition, the connection bar 12 is connected to each of the horizontal bars 11 is a structure that is fixed to the fill slope.

Since the frame 10 should be installed over a wide range of cut and fill slopes, the plurality of frames 10 are interconnected to take a skeleton form of a lattice structure.

At this time, the coupling of the adjacent frame 10 is possible by connecting the ends of the horizontal bar (11). To this end, both ends of the horizontal bars 11 of the frame 10 are connected to the connection pipe 30. Each frame 10 is connected to each other through the connection pipe 30. At this time, the inside of the connection pipe 30 can be combined so that each frame 10 is not easily separated by adding a cement paste or a binder made of resin mixed with a fastener.

Each of the frames 10 connected through the connection pipe 30 is prestressed to each other, in order to maximize the allowable strength and yield strength between the connected frame 10.

In order to apply prestress between the interconnected frames 10, one plate body 20 is attached to each of the connecting bars of the frames 10.

The plate body 20, as shown in Fig. 3, four connection holes 21 are formed in the center to connect the wires 40 to both sides, and the pre-stress by inserting the wire 40 into the connection hole 21 This configuration is to add.

The wire 40 penetrates through the left / right connecting hole or the upper / lower connecting hole 21 connected to the center of the plate 20, and penetrates both end portions through the connecting hole 21 of the other plate 20. After applying prestress (pull and apply pressure), both ends are twisted and fixed (Fig. 3).

In addition, the reinforcing member 50 is a structure that is mounted on the horizontal bar 11, both sides of the frame 10 so as to pour the concrete 60 to the upper portion of the frame 10 arranged in the grid form.

The reinforcing member 50 is preferably any one selected from a wire mesh or a color resin panel or concrete panel.

 In this embodiment, the structure is composed of a wire mesh. In the case of the wire mesh, the mesh unit is preferably 0.1 mm or less in order to minimize the cement water coming out of the concrete 60. At this time, by pouring shotcrete mixed with a fastener in concrete, it is possible to further minimize the occurrence of cement water between the wire meshes.

Here, color resin panels can be used to select the desired color so that colors can be constructed in the same way as the surrounding environment. Nature-friendly panels are easier to assemble than wire meshes, and more rigid grid blocks can be constructed. Can be.

In addition, as shown in Figure 4, the reinforcing member 50 is formed with two hooks 51 on the upper end, and is inserted into the frame through the hook 51 is mounted on the horizontal bar (11). This structure is a structure that is inserted and mounted inside the frame 10 to prevent the reinforcing member 50 from being separated due to the weight of the concrete 60 is poured into the frame 10.

In the case of the reinforcing member 60 in the case of a concrete panel, no hook is necessary, because the weight of the reinforcing member 60 can be supported without falling down even if it is inclined or stood up on the inner surface of the frame.

5 is a plan view showing a sprayed shotcrete on a site prestressed concrete grid block using a wire according to the present invention, FIG. 6 is a side view of FIG. 5, and FIG. 7 is a site prestressed concrete grid using a wire according to another embodiment. The side view which shows the installation state of a block.

First, as shown in FIGS. 5 and 6, the prestressed grating block 100 using the wire according to the present invention is installed on the cut and fill slopes and connects the connecting bars 12 to the four horizontal bars 11 to form a box. By constructing the frame 10 and binding the constructed frame 10 by prestressing the wire 40, a frame structure having a lattice shape is constructed, and then the reinforcing members 50 are assembled to both sides of the frame 10. By placing concrete 60 in the space of the frame 10 to maximize the robustness.

At this time, the constructed grid block 100 may be treated by spraying the green soil (germination seed + defoliation + sludge) to the surface in order to prevent the environment-friendly environment and soil leakage.

In addition, as shown in Figure 7, the grid block 100 can be fixed to the ground reinforcing nailing fixing device 200 of the Utility Model Registration No. 20-2005-403692 filed by the applicant can achieve a more rigid fixing structure. This structure is a structure in which the connecting bar 12 of the grid block 100 is fixed to the plate plate 210 of the fixing device 200.

Hereinafter, the construction method of the field prestressed concrete lattice block using the wire according to the present invention will be described in detail together with the accompanying drawings.

8 is a first flow chart according to the construction method of the field prestressed concrete grid block using the wire according to the present invention, Figure 9 is a second flow chart according to the construction method of the field prestressed concrete grid block using the wire according to the present invention.

First, as shown in FIG. 8, the ground of cut and fill slopes is cleaned or strengthened. (S100) At this time, as a method of strengthening the ground, the sawing nailing device of Patent Application No. 10-2005-0038603 filed by the present applicant And ground can be strengthened through its construction method.

Thereafter, four horizontal bars are arranged at each corner of the four-sided section, and the horizontal bars are interconnected through the connecting bars to form a frame, but the ends of the connecting bars are fixed to the slope so that the frame can be fixed to the fill slope. Insert it into depth and fix it. (S200)

Then, the frames are connected to each other through a connection pipe and disposed in a lattice form to cover the entire area of the fill slope (S300).

Thereafter, prestress is applied to each of the plates connected to the connection bars of the respective frames so that prestress is applied between the frames connected through the connecting pipes.

The reinforcing member is a structure that is inserted into the inside of the frame so that the concrete can be poured into the upper portion of the frame arranged in a grid form.

And inserted reinforcement member is a structure that is mounted on the horizontal bar, both sides of the frame. The reinforcing member is preferably any one selected from a wire mesh or a color resin panel or a concrete panel, and in this embodiment, the structure is composed of a wire mesh.

And finish by pouring concrete to the top of each frame. (S600)

On the other hand, the present invention may further include the step of finishing by spraying rust soil to the surface of the frame and concrete selectively, as shown in Figure 9 for a natural environment. (S610)

Here, the green soil is a mixture of germinated seeds + foliar soil + sludge, it is possible to minimize the soil loss by promoting the growth of plants.

According to the field prestressed concrete lattice block using the wire according to the present invention and the construction method as described above, by connecting the connecting bars to the four horizontal bars to build a box-shaped frame, by connecting the constructed frame with a wire to apply a prestress By binding, after constructing a grid-like skeleton structure, the reinforcing member is assembled to the outside of the frame, the concrete is poured into the upper portion of the frame has the advantages of excellent workability and robustness than the existing grid block.

In addition, by applying prestress to the frame, it is possible to maximize the allowable strength and yield strength per unit area of the concrete grid block.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, various other modifications and variations may be made without departing from the spirit and scope of the invention. Accordingly, it is intended that the appended claims cover such modifications and variations as fall within the true scope of the invention.

Claims (9)

In the lattice block for the stability of the cut and fill slope, and to protect the slope, Four horizontal bars disposed at each corner of each of the four cross-sections, and the plurality of horizontal bars are connected to each other at regular intervals between the horizontal bars so as to be fixed to the ground by interconnecting each horizontal bar, the end is fixed to the ground A plurality of frames composed of connecting bars; A connecting pipe interconnecting ends of the horizontal bars so that adjacent frames can be interconnected to be arranged in a grid shape; Wires connected to the plate bodies fixed to the connection bars of the respective frames so that prestresses are applied between the frames connected to each other through the connection pipes, and the wires are connected by applying prestresses; On-site pre-stressed concrete lattice block using a wire, characterized in that it comprises a; reinforcing members installed on the horizontal bar on both sides of the frame to accommodate the concrete placed on top of the frame arranged in the grid form. The method of claim 1, The plate is a field prestressed concrete lattice block using a wire, characterized in that four connection holes are further formed for connecting the wire in both directions. The method of claim 1, The reinforcing member is a wire prestressed concrete grid block using a wire, characterized in that any one selected from the wire mesh or color resin panel or concrete panel. The method of claim 3, wherein The wire mesh and the color resin panel is inserted into the inner side of the frame pre-stressed concrete grid block using wires, characterized in that it further comprises a hook formed on the horizontal bar. The method of claim 1, The grid block is a field prestressed concrete grid block using a wire, characterized in that for spraying the green soil soil so that plants can grow on the surface. In the field prestressed concrete lattice block using wire for the protection of cut and fill slope, Clearing or strengthening the ground of the fill slope; (S100) Four horizontal bars are arranged at each corner of each of the four cross sections, and the horizontal bars are interconnected through the connecting bars to form a frame, and the ends of the connecting bars are embossed slopes so that the frames can be fixed to cut and fill slopes. Inserting and fixing to a predetermined depth in (S200) Connecting each of the frames through a connection pipe and arranging them in a grid; (S300) Connecting the wires to the plate bodies connected to the connection bars of the respective frames so that prestress is applied between the frames connected to each other through the connection pipes, and applying prestressing to bind the wires (S400); Attaching reinforcement members to both sides of each frame; (S500) and Comprising the step of pouring concrete to the top of each frame; (S600) Construction method of the field prestressed concrete grid block using a wire, characterized in that comprises a. The method of claim 6, After the step S600, Spraying and attaching green algae (germinated seeds + defoliated soil + sludge) to the surface of the frame and pour material for a natural environment; (S610) construction of the field prestressed concrete grid block using a wire further comprising Way. The method of claim 6, The reinforcing member is a construction method of the site pre-stressed concrete grid block using a wire, characterized in that any one selected from the wire mesh or color resin panel or concrete panel. The method of claim 6, The wire mesh or color resin panel is inserted into the inner side of the frame construction method of the field pre-stressed concrete grid block using a wire, characterized in that it further comprises a hook formed on the horizontal bar.

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