KR100799360B1 - Slip form device for forming supporting wall in vertical tunnel - Google Patents

Abstract

A slip form device for forming a lining wall in a vertical tunnel is provided to prevent the breaking of a vertical frame by working load by equipping a slip form moving device in itself and shortening the length of a vertical frame functioning as a vertical rod, and to heighten work efficiency by ascending and descending freely. A slip form device for forming a lining wall in a vertical tunnel includes many vertical frames installed to the inside of a vertical tunnel(11) vertically to be length-adjustable, an upper deck(15) fixed to the top of the vertical frame to provide a horizontal work plane, a central deck(17) located on the lower part of the upper deck horizontally to provide a horizontal work plane for a worker climbing and performing the necessary work, a lower deck(19) fixed to the lower part of the central deck by a wire(37), a concrete hopper(29) provided to the center of the upper deck to store concrete supplied from the outside temporarily, many horizontal actuators placed around the concrete hopper in the radius direction to pressurize a tunnel wall(11a) with a pressure rod(33a) to fix the upper deck to the wanted location, a skin plate(35) installed to the bottom of the central deck to provide a space between the vertical tunnel and the tunnel wall to place concrete, thereby to function as a slip form, many fixed actuators(39) installed to the central deck and extended to the outside of the central deck in the radius direction to pressurize a tunnel wall to fix a slip form device to the vertical tunnel, and many vertical actuators(23) provided to the outside of the vertical frame to regulate the total extension length of the fixed actuator and the vertical frame.

Description

Slip form device for forming vertical tunnels

1 is a view showing the overall configuration of a slim foam device for forming a vertical tunnel perforated wall according to an embodiment of the present invention.

2 is a plan view of the upper deck shown in FIG.

3A to 3C are diagrams for explaining the operation of the slim tunnel device for forming the vertical tunnel perforated wall according to an embodiment of the present invention.

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

11: vertical tunnel 11a: tunnel wall

13: Rescue wall 15: upper deck

17: center deck 19: lower deck

21: Vertical frame 21a: Lower frame

21b: Upper frame 23: Vertical actuator

23a: Cylinder 23b: Operating rod

25, 27: Fixed bracket 29: Concrete hopper

31: Power Pack 33: Horizontal Actuator

33a: Pressure rod 33b: Cylinder

35: skin plate 37: wire

39: Fixed Actuator 39a: Pressure Rod

39b: cylinder

The present invention relates to a slip foam apparatus for forming a vertical tunnel multi-pore wall.

Slip foam device is a device for erecting concrete structures using a slip form (slip form). The slip foam is also referred to as a sliding foam.

In the slip foam method using the slip foam device, in order to construct a structure that extends horizontally or vertically in a uniform shape without construction joints, the concrete is poured while continuously moving the form (slip form) to construct a desired structure. It is a construction method. It is used in structures that need to be constructed without construction joints, such as nuclear containment vessels in nuclear power plants, bearing walls in high-rise apartments, or perforated walls in vertical tunnels.

This slip-form method is a method that can be continuous construction without the layer of concrete in the concrete structure, and can shorten the construction period and reduce the construction cost. In recent years, the automatic measurement and control system are additionally applied to quickly perform any situation that may occur during construction. It corresponds.

By the way, most of the various types of slip foam apparatuses currently proposed do not have a moving means for moving the slip foam upwards, so that workability is poor and damage to the slip foam apparatus is caused by excessive load.

For example, a type of slip foam device that uses a separate lifting equipment as a means to move the slip foam to the top includes a process of installing the lifting equipment on the ground and connecting the slip foam to the lifting equipment. It is cumbersome, inconvenient and expensive. Moreover, when it is not possible to install lifting equipment, such as inclined or narrow places, construction through the slip foam device itself is impossible.

There is also a slip foam device of the type itself having a slip foam moving means without using the above lifting equipment, for example, the Republic of Korea Patent Publication No. 307914 is vertical at every circumferential interval between the frames of the slip foam And a plurality of jack rods arranged upright, and mounting fixing irons protruding outwardly along the outer circumference of the frame of the slipform so as to be positioned directly above the respective jack rods, and the jack rods at the ends of the fixing irons. In which the actuating jacks are fitted through and cooperated with each other, wherein the fixing steels are bent downwardly at the outer ends to install the guides so as to be associated with the jack rods, and the jacks extend vertically downward at a predetermined position of the guides. Disclosed is a slip foam apparatus characterized by installing a rod protective tube. However, this type of slip foam device may be bent or broken without being able to bear the load even though it has a jack rod protection tube, and the jack rod may be bent or broken in the middle of the work to be continued. If it fails to push up, there is a problem that the construction must be stopped and concrete cannot be poured continuously.

The technical problem to be achieved by the present invention is to provide a slip-form moving means itself, but the length of the vertical frame to function as a vertical rod is short, there is no damage to the vertical frame due to the load during operation, and also ascending and descending free It is to provide a slip foam device for forming a vertical tunnel perforated wall that can increase the work efficiency.

The present invention to achieve the above object,

What is claimed is: 1. A method for forming a perforated wall on an inner wall surface of an excavated vertical tunnel, comprising: a plurality of vertical frames positioned vertically in the vertical tunnel and whose length is adjustable; A plurality of vertical actuators installed on the vertical frame and adjusting the length of the vertical frame; A center deck fixed to each vertical frame to maintain a distance between the vertical frames and to provide a horizontal work surface on which the worker can climb; An upper deck provided at an upper portion of the center deck while being supported by the vertical frame, the upper deck being relatively liftable relative to the center deck when the length of the vertical frame is adjusted; It is for fixing the upper deck at any height of the vertical tunnel, it is fixed to the upper deck and one end is extended to the inner wall surface side of the vertical tunnel to press the inner wall surface to press the upper deck to the corresponding height of the vertical tunnel A plurality of horizontal actuators having; It is installed below the central deck and characterized in that it comprises a skin plate spaced apart from the inner wall surface of the vertical tunnel to provide a space for injecting concrete between the inner wall surface.

According to one embodiment of the invention, the vertical frame; And a lower frame fixed vertically to the edge of the center deck and surrounding the center deck to provide support, and an upper frame vertically lifting and lowering when the vertical actuator is supported in the lower frame. The vertical actuator is a hydraulic actuator having a cylinder and an actuating rod, wherein the cylinder is connected to the lower frame or the upper frame and the actuating rod is connected to the upper frame or the lower frame to adjust the extension length of the upper frame to the lower frame. It features.

In addition, the upper deck may be provided with a concrete hopper to provide a horizontal working surface for the worker to climb, and temporarily accommodate the concrete to be supplied between the inner wall surface of the vertical tunnel and the skin plate.

The lower deck may further include a lower deck that provides a horizontal work surface on which the worker can climb.

In addition, the center deck is for fixing the center deck stopped at any position of the vertical tunnel in the position, and extending to the tunnel wall surface side of the vertical tunnel is provided with a pressure rod for fixing the center deck at the corresponding height by pressing the tunnel wall surface A plurality of fixed actuators may be further provided.

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

1 is a view showing the overall configuration of a slim foam device for forming a vertical tunnel perforated wall according to an embodiment of the present invention.

Referring to the drawings, the vertical foam perforated wall molding slip foam apparatus according to the present embodiment, a plurality of vertical frames 21 and vertically arranged in the vertical tunnel 11 and the length adjustable, and the vertical frame ( 21, an upper deck 15 fixed to an upper end of the upper surface 15 to provide a horizontal working surface, a central deck 17 horizontally positioned below the upper deck 15, and a lower portion of the central deck 17. It includes a lower deck 19 is provided.

In addition, a concrete hopper 29 is provided at the center of the upper deck 15, and a plurality of horizontal actuators (33 in FIG. 2) are disposed in a radial direction around the concrete hopper 29. In addition, the outer side of the vertical frame 21 is provided with a fixed actuator 39 and a vertical actuator 23 for adjusting the total extension length of the vertical frame 21.

First, the vertical frame 21 is composed of a lower frame 21a and an upper frame 21b. The lower frame 21a is a pipe having a constant diameter and has a fixing bracket 27 at an outer side thereof. The fixing bracket 27 serves as a locking jaw caught by the upper end of the abdominal wall 13, and in such a case, the vertical frame 21 is caught by the abdominal wall 13 so as not to fall down.

The lower frame 21a is vertically fixed to the edge of the center deck 17. Therefore, the planar arrangement of the lower frame 21a varies according to the planar shape of the center deck 17.

The upper frame 21b is partially inserted into the lower frame 21a, and is drawn out from the inside of the lower frame 21a when the vertical actuator 23 is driven (just like a telescopic antenna) or lower frame 21a. 21a) It is inserted inside. That is, the length of the vertical frame 21 is extended or reduced by the vertical actuator 23.

 In addition, the upper frame 21b is provided with a fixing bracket 25. The fixed bracket 25 is a portion to which the upper end of the operating rod 23b of the vertical actuator 23 is connected.

The vertical actuator 23 is a conventional hydraulic actuator having a cylinder 23a and an actuating rod 23b. The vertical actuator 23 is operated by hydraulic pressure provided from the power pack 31 in the state installed in each vertical frame 21 to adjust the length of the vertical frame 21. That is, the total length of the vertical frame 21 is increased or decreased, and the number thereof is the same as the number of the vertical frames 21. On the other hand, the cylinder 23a of the vertical actuator 23 is fixed to the fixing bracket 27 of the lower frame 21a and the upper end of the operating rod 23b is connected to the fixing bracket 25 of the upper frame 21b. The length of the vertical frame 21 can be increased or decreased.

In FIG. 1, the upper end of the operating rod 23b of the vertical actuator 23 is connected to the fixing bracket 25, and the cylinder 23a of the vertical actuator 23 is a fixing bracket of the lower frame 21a. 27 shows a slip foam device, but the present invention is not limited thereto, and on the contrary, an upper end of the operating rod 23b of the vertical actuator 23 is fixed to the fixing bracket 27 of the lower frame 21a. The cylinder 23a of the vertical actuator 23 may be fixed to the fixing bracket 25 of the upper frame 21b.

In addition, a skin plate 35 is provided outside the lower end of the lower frame 21a. The skin plate 35 takes the form of a cylinder and provides a space for placing concrete between its outer circumferential surface and the tunnel wall surface 11a of the vertical tunnel 11. The skin plate 35 serves as a formwork (more accurately, a slip foam).

On the other hand, the central deck 17 provides a horizontal working surface so that the worker can go up and do the necessary work. As a necessary work, for example, the concrete prepared in the concrete hopper 29 is supplied to the space between the skin plate 35 and the tunnel wall surface 11a.

In particular, the central deck 17 is provided with a plurality of fixed actuators (39). The fixed actuator 39 is operated by the hydraulic pressure provided from the power pack 31 as a general hydraulic device having a cylinder 39b and a pressure rod 39a. Like the horizontal actuator 33, a plurality of the fixed actuator 39 is arranged in the radial direction. The fixed actuator 39 extends in the radial direction to the outside of the center deck 17 to press the tunnel wall surface 11a to fix the slip foam device to the vertical tunnel 11.

In addition, the lower deck 19 is a workbench fixed to the lower portion of the vertical frame 21 via a wire 37. The worker climbs to the lower deck 19 to perform the necessary work. Although the lower deck 19 is connected to the wire 37 in the present embodiment, the connection method of the vertical frame 21 and the lower deck 19 may be changed as many as necessary.

The upper deck 15 is connected to the upper end of the upper frame 21b. That is, the upper deck 15 is horizontally supported by the vertical frame 21 and provides a workspace for the worker to work up. In particular, as described above, the upper deck 15 is provided with a plurality of horizontal actuators 33.

Since the horizontal actuator 33 is arranged radially from the center of the upper deck 15 as shown in Figure 2, the pressing rod 33a of the horizontal actuator 33 is movable in the arrow a direction or b direction. . When the pressure rod 33a moves in the direction of arrow a, the tip of the pressure rod 33a presses the tunnel wall surface 11a, so that the upper deck 15 is fixed at the corresponding position.

2 is a plan view of the upper deck shown in FIG.

Referring to the drawings, it can be seen that the concrete hopper 29 is provided in the center of the upper deck 15. The concrete hopper 29 is to temporarily store the concrete supplied from the outside.

In addition, a plurality of horizontal actuators 33 are provided around the concrete hopper 29. The horizontal actuator 33 is a well-known hydraulic actuator operating by hydraulic pressure supplied from a power pack (31 in FIG. 1) and has a cylinder 33b and a pressure rod 33a. The cylinder 33b of the horizontal actuator 33 is fixed to the upper deck 15 but is disposed in the radial direction with respect to the center of the upper deck 15. In particular, the position is appropriately considered so that the pressure rod 33a can reach the tunnel wall surface 11a even if it is not drawn out to the maximum.

The pressurizing rod 33a is movable in the arrow a direction or the b direction similarly to a normal actuator. Accordingly, when the pressure rods 33a are simultaneously moved in the direction of arrow a to press the tunnel wall surface 11a, the upper deck 15 is fixed at the position.

3A to 3C are diagrams for explaining the operation of the slim tunnel device for forming the vertical tunnel perforated wall according to an embodiment of the present invention.

Referring to FIG. 3A, a fixing bracket 27 fixed to the lower frame 21a is spread over the upper end of the perforated wall 13 (during curing), and the upper frame 21b is moved into the lower frame 21a. Inserted as much as possible, it can be seen that the upper deck 15 is waiting at the lowest position toward the center deck (17).

In addition, the pressing rod 39a of the fixed actuator 39 is pulled out as far as possible in the radial direction to pressurize the tunnel wall surface 11a. By the fixed actuator 39, the slip foam device can be more stably positioned inside the vertical tunnel 11. In addition, the skin plate 35 supports the concrete in curing to the tunnel wall surface 11a side.

In order to continue shaping the perforated wall 13 in this state, the upper deck 15 is moved upwards and fixed at that position. That is, as shown in Figure 3b, by moving the operating rod 23b of the vertical actuator 23 in the direction of the arrow z to reach the upper deck 15 to the desired point, the horizontal actuator 33 at that point By driving, all the pressure rods 33a are unfolded to pressurize the tunnel wall surface 11a. As described above, the pressing rod 33a presses the tunnel wall surface 11a to fix the upper deck 15 at the corresponding position.

In order to move the skin plate 35 upward while the upper deck 15 is fixed as described above, first, the fixed actuator 39 is operated to retract the pressure rod 39a, and is shown in FIG. 3C. As described above, the vertical actuator 23 is driven to pull up the cylinder 23a. Since the operating rod 23b of the vertical actuator 23 is fixed to the fixing bracket 25, the cylinder 23a may be pulled up by supplying hydraulic pressure to the vertical actuator 23. In the meantime, the pressure rod 33a of the horizontal actuator 33 continues to pressurize the tunnel wall surface 11a.

In any case, as the cylinder 23a rises, the lower frame 21a fixed to the cylinder 23a rises, and the center deck 17, the lower deck 19, and the skin plate 35 move upward simultaneously. do. In particular, as the skin plate 35 moves upward, a space is provided between the skin plate 35 and the tunnel wall surface 11a. Concrete for pouring the perforated wall is poured in the space.

When the skin plate 35 has risen by a desired height, the fixed actuator 39 is operated again so that the pressure rod 39a of the fixed actuator 39 presses the tunnel wall surface 11a to fix the slip foam device in place. Let's do it.

As a result, the slim foam apparatus of the present embodiment, which is configured as described above, is provided with the vertical actuator 23 and the horizontal actuator 33 by itself to move upwards (or if necessary) downwardly in the vertical tunnel 11. Can be.

As mentioned above, although this invention was demonstrated in detail through the specific Example, this invention is not limited to the said Example, A various deformation | transformation is possible for a person with ordinary knowledge within the scope of the technical idea of this invention.

Slip foam device for forming the vertical tunnel perforated wall of the present invention made as described above is provided with the slip foam moving means itself, but the length of the vertical frame to function as a vertical rod is short, there is no damage to the vertical frame due to the load during operation In addition, as well as rising and falling freely can increase the work efficiency.

Claims (5)

It is for forming a perforated wall on the inner wall surface of the excavated vertical tunnel, A plurality of vertical frames fixed vertically inside the vertical tunnel and whose length is adjustable; A plurality of vertical actuators installed on the vertical frame and adjusting the length of the vertical frame; A center deck fixed to each vertical frame to maintain a distance between the vertical frames and to provide a horizontal work surface on which the worker can climb; An upper deck provided at an upper portion of the center deck while being supported by the vertical frame, the upper deck being relatively liftable relative to the center deck when the length of the vertical frame is adjusted; It is for fixing the upper deck at any height of the vertical tunnel, it is fixed to the upper deck and one end is extended to the inner wall surface side of the vertical tunnel to press the inner wall surface to press the upper deck to the corresponding height of the vertical tunnel A plurality of horizontal actuators having; It is installed below the central deck and spaced apart from the inner wall surface of the vertical tunnel for a vertical tunnel perforated wall forming, characterized in that it comprises a skin plate for providing a space for injecting concrete between the inner wall surface Slip Foam Device. The method of claim 1, The vertical frame is; A lower frame fixed vertically to the edge of the center deck and surrounding the center deck to provide support; An upper frame vertically lifting and lowering when the vertical actuator is operated while being supported by the lower frame, The vertical actuator is a hydraulic actuator having a cylinder and an actuating rod, wherein the cylinder is connected to the lower frame or the upper frame and the actuating rod is connected to the upper frame or the lower frame to adjust the extension length of the upper frame to the lower frame. Slip foam device for forming a vertical tunnel perforated wall, characterized in that. The method of claim 1, The upper deck is provided with a horizontal work surface for the operator can climb, vertical tunnel multi-hollow wall molding, characterized in that the concrete hopper is further provided to temporarily accommodate the concrete to be supplied between the inner wall surface and the skin plate of the vertical tunnel Slip Foam Device The method according to any one of claims 1 to 3, The lower deck of the center deck, the lower deck for providing a horizontal work surface for the operator can be further provided, characterized in that the vertical foam perforated wall molding slip foam apparatus. The method of claim 1, The central deck has a plurality of pressure rods for fixing the central deck stopped at any position of the vertical tunnel to the position, extending to the tunnel wall surface side of the vertical tunnel to press the tunnel wall surface to fix the central deck at the corresponding height. Slip groove device for forming a vertical tunnel perforated wall, characterized in that the fixing actuator is further provided.

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