KR102026112B1 - Pre-cast concrete segment blocks for vertical structures with various bracket connection means - Google Patents

Abstract

The present invention relates to a precast concrete segment block for a vertical structure having various bracket connection means, and more specifically, relates to the precast concrete segment block for the vertical structure having various bracket connection means of a new shape capable of easily handling movement, installation, and the like of a block which is lightweight when compared to a cast-in-place block, easily connecting an upper hollow PC and a lower hollow PC configured with the vertical structure through an internal concrete placement by easily reinforcement-placing to connect each hollow PC, and fundamentally blocking an inflow of groundwork. In addition, the present invention can install a bracket for installing a slab installed inside the vertical structure firmly in various shapes to improve a workability and constructability of the vertical structure and improve a quality of construction.

Description

Pre-cast concrete segment blocks for vertical structures with various bracket connection means

The present invention relates to a precast concrete segment block for vertical structures having a variety of bracket connection means, more specifically, the lightweight and easy to handle the movement and installation of the block compared to the cast-in-place block, for the connection of each block Easy reinforcement makes it easy to connect the upper and lower blocks that form the vertical structure through internal concrete pouring, and can block the inflow of groundwater at the source, and various brackets for the installation of slabs installed inside the vertical structure. The present invention relates to a precast concrete segment block for a vertical structure having a variety of bracket connection means of a new type that can be installed in a rigid form to improve the workability and workability of the vertical structure and to improve the construction quality.

In general, vertical holes are a type of vertical tunnel that connects vertically from the ground to the underground tunnel to excavate the tunnel.In the construction of the tunnel, various equipment and construction materials are transported and moved from the ground, and the soil and rock generated during the tunnel excavation are discharged to the ground. After the tunnel is completed, it plays the role of connecting various cables of the administrator's mobile passage and communication or power outlet from the underground tunnel to the ground and connecting various pipes.

These vertical spheres will be constructed by the traditional construction method that installs the temporary earthquake wall on the outside after digging, and supports the load on the temporary earthquake wall as a brace and builds up from the bottom of the basement to the upper side. Due to the vehicle's stopping, it causes traffic jams and damages around the surroundings.Therefore, there are many problems in applying the above method when the building is located close to the site boundary, such as a large city. Recently, there are various problems such as the complexity of the process due to the construction of the structure, the risk of work, and the generation of waste. Therefore, the method of constructing a new concept of underground structure with fast, economical and structurally safe air while improving land use efficiency Many have been proposed.

As an example of these new methods, a top-down method is known.

Construction method of a vertical sphere structure using the top-down method of Patent Registration No. 10-1859367 (Registration Date: May 14, 2018) registered by the present applicant as an embodiment of the construction method of the vertical sphere structure using the top-down method silver,

Installing a temporary structure on the ground;

Installing concrete formwork on the temporary structure;

Forming a first vertical sphere wall on which the reinforcement work is completed through the concrete formwork at the same time as the vertical sphere is excavated in the temporary structure;

Raising the concrete formwork and lowering the first vertical sphere wall to a predetermined depth into the vertical sphere, and performing a reinforcement operation to form a second vertical sphere wall;

Forming a second vertical sphere wall on which the reinforcement work is completed on an upper end of the first vertical sphere wall through the raised concrete formwork and the lowered concrete formwork;

And descending the second vertical sphere wall together with the first vertical sphere wall;

The descending steps are carried out by a descending inducing member, the lower inducing member is coupled to the hydraulic jack installed in the concrete formwork, the hydraulic jack and extending downward and the first vertical wall and the second vertical sphere A jack rod embedded in the wall and integrally formed, a lower bracket fixed to the lower end of the jack rod and supporting a lower portion of the first vertical wall, and fixed to the bottom of the vertical sphere under the lower bracket. It includes an auxiliary lowering guide member for imparting a lowering force with respect to the lower bracket,

When the descending steps are completed, the lower bracket and the auxiliary lowering guide member of the lowering guide member are removed from the first vertical sphere wall disposed at the lowermost layer; It characterized in that it further comprises.

Such a conventional vertical sphere slab bracket 10 has a problem in that it takes a lot of time and cost to dismantle after installation and use at the construction site of the vertical sphere in use, in particular, the structure is complicated, vertical in The old slab bracket is damaged or partially damaged, so there is a problem in that cost and time are required for repair and maintenance.

On the other hand, it takes 7 to 15 days for curing to secure stable demolding strength of the poured concrete in the process of constructing the vertical sphere using the method of forming the structure by pouring concrete at the same time as excavation as described above. By doing so, it takes a lot of time, and in particular, more time is required for curing in preparation for the time required for the excavation work in parallel with the excavation work, so the excavation work and the vertical sphere construction work cannot be performed in parallel. There was a problem that the construction air is delayed.

In order to solve the above problems, a method of constructing a vertical sphere using a concrete block has been proposed in recent years.

As an example of the concrete block used for the construction of the vertical sphere as described above Patent Registration No. 10-1822330 (Registration Date: January 19, 2018) Multi-binding wedge-type concrete block for vertical sphere and vertical sphere construction method using the same ,

Multi-bonded wedge-shaped concrete blocks (10, 20, 21, 30) on the left and right sides in the horizontal direction, is an isosceles triangular shape in which the total width of the thickness is one side. Wedge-shaped protrusions 40 and wedge-shaped recessed grooves 41 formed on the entire length of the vertical height of the blocks 10, 20, 21, and 30 are respectively formed, and the multi-joined wedge-shaped concrete blocks 10, 20 are formed on the upper side thereof. Is an isosceles triangular shape in which the entire length of the width 21, 30 is one side, and the two sides of the same length are symmetrically inclined in the vertical direction, and the entire horizontal direction of the multiple-joined wedge shaped concrete blocks Wedge-shaped protrusions 40 formed in length and the width of the multi-joined wedge-shaped concrete blocks 10, 20, 21, 30 in the lower side is an isosceles triangular shape in which one side is one side, the two sides of the same length is vertical As a multi-joined wedge-shaped concrete block in which at least one wedge-shaped concave groove 41 is formed to be symmetrically inclined in a direction and formed in the horizontal entire length of the multi-joined wedge-shaped concrete blocks 10, 20, 21, 30. Just by fitting the wedge-shaped protrusion 40 and the wedge-shaped concave groove 41 in a direction and an up-down direction, respectively, they are assembled into a vertical cylindrical body and vertically coupled vertically by vertically coupled wedge-shaped concrete blocks. It is possible to form a.

The concrete block for the construction of the conventional vertical sphere is heavy in the process of use, the concrete block is difficult to handle the movement, installation, etc. in the installation site of the vertical sphere, it is difficult to connect the blocks stacked up and down and the connection means such as couplers There is a problem in that the material cost is increased when using the connection, in particular, even if the block is connected by using a connection means that the groundwater easily flows into the connection portion of the block and the block occurs.

Patent Publication No. 10-0349107 (Registration date: August 05, 2002) "Vertical sphere construction method using precast concrete segment block" Patent Registration No. 10-0355513 (Registration date: September 24, 2002) "Construction method of hanging vertical sphere using steel wire" Korean Patent Publication No. 10-0905913 (Registration date: June 26, 2009) "Concrete circular vertical sphere construction device, concrete circular vertical sphere construction method and structural frame construction method of concrete circular vertical sphere" Patent Registration No. 10-01859367 (Registration date: May 14, 2018) "Construction method of vertical sphere structure using a top-down method" Patent Application Publication No. 10-1049949 (Registration date: July 11, 2011) "Vertical sphere structure and its construction method using the reverse punching method" Registered Patent Publication No. 10-0746594 (Registration date: July 31, 2007) "Prefabricated vertical ball construction method and precast structure used in the method" Patent Publication No. 10-1054450 (Registration date: July 29, 2011) "Precast structure"

The present invention has been made in consideration of the above circumstances, and an object of the present invention is to form a concrete block lighter than the in-place casting block to facilitate the movement and handling of the concrete block of the installation position and direction of the installation of the concrete block It is to provide a new type of concrete block to improve the workability of the construction site by allowing easy modification and the like.

In addition, another object of the present invention in the construction of vertical structures by stacking concrete blocks can be physically blocked from the inflow of ground water by making the connection of the block and the block is solidly integrated through the concrete pouring in the reinforcement state At the same time, to provide a new type of concrete blocks that can maintain a solid stacking state.

In addition, another object of the present invention is to provide a variety of fastening forms of the bracket is installed on the wall of the vertical structure for the installation of slabs installed in a variety of uses, such as underground power supply, ventilation of the subway facilities inside the vertical structure. It is to provide a new type of concrete block that can securely install the slab installed on the top by fixing the bracket using a fastening form suitable for the site situation where the slab is installed.

In addition, another object of the present invention is to provide a new type of concrete block that can significantly shorten the construction air of the vertical structure by significantly reducing the curing time of the concrete mortar placed inside the concrete block through steam curing. have.

In the precast concrete segment block for vertical structures having various bracket connection means according to an embodiment of the present invention for achieving the above object, in the precast concrete segment block for vertical structures according to the top-down method,

The block constitutes an inner wall surface and has a connecting protrusion 111 at the upper portion, a connecting groove 112 at the lower portion, and a first hole 11 having a coupling hole 113 at one side thereof, and an outer wall surface. Both sides of the second wall 12 having the connection groove 122 at the bottom and the connection groove 122 at a predetermined interval are connected to each other to have a shape of a housing having a concrete pouring hole 13 therein, and the connection groove 14 at the outside. ) And grooves 142, and the inside of the pour hole 13 is connected to the various brackets, characterized in that made of a hollow PC (10) partitioned by the bridge 16 is formed a multi-purpose composite pipe 15 in the center portion By means of precast concrete segment blocks for vertical structures having means.

It is assembled to the inner surface of the first wall 11 and characterized in that it further comprises a bracket (200, 200 ', 500) for the installation of the slab (400).

The brackets 200, 200 ′ and 500 are formed at positions downward from the top to the bottom so that the top surface of the slab 400 seated on the top may be located on the same line as the upper end of the first wall 11. It is done.

The bracket 200, the anchor bolt 210 is fitted to the coupling hole 113, the lower portion is fitted to the anchor bolt 210, one side is in close contact with the first wall (11) and the cross section is "a" Body 220 having a shape and the mounting surface 221 on the top and the anchor bolt 210 is fitted in the lower portion 222 and the rib 223 integrally formed with the body 220, the anchor to secure the body 220 Characterized by consisting of a nut 230 screwed to the bolt (210).

The bracket 200 ′ constitutes an inner wall surface, protrudes the inner reinforcement in the direction of the connecting protrusion 111 and the lower portion and the inner surface of the upper portion and casts the concrete and is integrated with the first wall 11. Characterized in that formed.

An anchor bolt 510 inserted into and fixed to the coupling hole 141 of the connecting groove 14 and the bracket 500 is formed at an edge thereof, and a hole in which the anchor bolt 510 is fitted is formed at the center of the auxiliary anchor 560. ) Is in close contact with the end of the clamping plate 520 is fastened with a nut, the fixing plate 530 assembled to be spaced apart from the contact plate 520 by a predetermined interval, and one surface of the fixing plate 530 and the cross section is A buried part having a hole in which an anchor bolt 510 is inserted and protrudes from the body 550 to be in close contact with the mounting surface 551 and the lower portion 551 and the fixing plate 530 in the form of "a" ( 553 and both sides of the buried portion 553 may be formed of a body 550 integrally formed with the close contact portion 554 in close contact with the first wall 11.

The inclined surface 143 is formed to be connected to the connection groove 14 at one side or both ends of the hollow PC 10, and the key block 700 for interference fitting to the adjacent concrete block and the connection portion in the horizontal direction More,

 The key block 700 has a pair of connecting protrusions 7111 and 7121 and fitting grooves 718 and a pair of connecting grooves 7112 and 7122 formed at a lower portion thereof, and a plurality of through holes 721 at one side thereof. A pair of inclined surfaces 720 are formed integrally with a wing portion 722 having a groove and a groove 7142 formed on the other side and narrowly formed at an end side thereof and into which the vertical index material 31 is fitted.

It is characterized in that it further comprises a porous pipe 20 is formed in the interior of the pour hole 13 is installed in communication with the multipurpose composite pipe 15.

The perforated pipe 20 is installed in communication with the plurality of pouring holes 13 and the central portion is formed in communication with the multi-use composite pipe 15 is water generated in the process of pouring concrete in each pouring hole 13 or Underground water that may be introduced from the outside is introduced into the porous pipe 20 and is discharged to the outside of the concrete block 100 through the multipurpose composite pipe 15.

Enclosure 900 in the form of a body for uniformly providing the steam flowing from the multipurpose composite pipe 15 to the mesh net 920 and the lower portion of the hollow PC 10 in the lower portion of the hollow PC 10 And a steam supply unit 910 installed around the road pipe 600 inserted into the multipurpose composite pipe 15 and connected to the steam device 930 while being fitted to the multipurpose composite pipe 15.

Here, the steam flowing from the steam device 930 is moved to the lower portion of the hollow PC 10 through the multipurpose composite pipe 15 and promotes curing of the concrete poured in the pouring hole 13 by the housing 900. It is characterized by.

The hollow PC 10 is characterized in that it is formed in one of the "-" form or "a" form or fan shape.

It is formed in the central portion of the pour hole 13 and further comprises a secondary bridge 17 is exposed to the spiral rod 171 connected to the inner reinforcement to the upper and lower,

Here, the housing is stacked by connecting the spiral bar 171 exposed to the upper and lower portions of the auxiliary bridge 17 by the coupler 300.

The upper and lower portions of the hollow PC 10 further includes a fitting groove 18 into which the water-expandable index member 30 is inserted.

Here, by inserting the water-expandable index (30) in the fitting groove 18 and stacking the concrete block 100 is characterized in that to prevent the inflow of groundwater from the excavation surface.

It further includes a pair of water-expandable index (32) supported by the gasket 33 on both sides of the upper and lower pour hole 13 of the hollow PC 10,

Here, the upper water expansion index 32 and the lower water expansion index 32 of the concrete block 100 adjacent to the upper surface is in close contact with each other to prevent groundwater inflow in the horizontal direction.

Precast concrete segment block for the vertical structure having a variety of bracket connection means according to the present invention is a plurality of spaced at a predetermined interval in the space between the first and second and first and second surfaces constituting the hollow PC The bridge is formed integrally so that the concrete block is formed in a lighter weight than the cast-in-place block, so that the movement and handling of the concrete block are easy, so that the installation position and direction can be easily modified when the concrete block is installed. There is an effect that can improve the workability and safety of the site.

In addition, in the construction of vertical structures by stacking concrete hollow PCs, the stacked blocks and the connection of the blocks are reinforced in the internal space, and the concrete is solidly formed by forming the stacking state physically and solidly through the process of placing concrete. At the same time it is possible to maintain and completely block the inflow of groundwater from the outside.

In addition, by installing the water supply material on the laminated connection portion of the concrete block 100, the water supply material 30 primarily prevents the inflow of groundwater from the excavation surface and removes the water generated in the ground water or concrete pouring process introduced. The secondary pipe 20 is formed to be discharged to the outside of the concrete block to have a stable watertight maintenance state.

In addition, by reducing the curing time of concrete through steam curing of concrete mortar placed inside the concrete block, it is possible to balance the excavation work and the vertical structure installation work for the construction of the vertical structure while ensuring stable demolding strength. There is an effect of significantly shortening the construction air of the vertical structure.

In addition, various types of brackets are installed on the walls of vertical structures to install slabs for various purposes such as underground power supply and ventilation of subway facilities. Bracket can be fixed and installed using the fastening form, it is effective to maintain the installation state of the slab installed on the top.

1 is a perspective view of a precast concrete segment block for vertical structures having various bracket connecting means according to the invention
Figures 2a to 2b is a partial cross-sectional perspective view of a precast concrete segment block for vertical structures having various bracket connection means according to the present invention
Figure 2c is an installation state of another embodiment of the water-expandable index of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the invention
3 is a schematic diagram of a circular vertical sphere using precast concrete segment blocks for vertical structures having various bracket connection means according to the invention;
Figure 4 is an exploded perspective view of the bracket of the first embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connecting means according to the invention
Figure 5 is a partial cross-sectional view of the bracket of the first embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connecting means according to the invention coupled to the block
Figure 6 is a partial cross-sectional view of the bracket of the second embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the invention coupled to the block
Figure 7 is a perspective view of the bracket of the third embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the invention coupled to the block
Figure 8 is a plan view of the bracket of the third embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the invention coupled to the block
9 to 10 are plan views of another embodiment of a precast concrete segment block for vertical structures having various bracket connection means according to the invention.
Figure 11 is a schematic diagram showing the discharge process of the inflow water using the porous pipe of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the present invention
Figure 12 is a schematic diagram showing the steam inlet form for curing of concrete poured in the interior of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the invention
13 is a view showing a coupler for connection of precast concrete segment blocks for vertical structures having various bracket connection means according to the present invention.
14 is a partial perspective view showing another embodiment of a precast concrete segment block for vertical structures having various bracket connecting means according to the present invention;
Figure 15 is a perspective view of a key block of the configuration of another embodiment of a precast concrete segment block for vertical structures having various bracket connection means according to the invention
FIG. 16 is a view for explaining a use state of another embodiment of a precast concrete segment block for vertical structures having various bracket connection means according to the present invention.
17 is a schematic view showing a state in which a block is connected to a key block for the connection of another embodiment of the precast concrete segment block for vertical structures having various bracket connection means according to the present invention.

DETAILED DESCRIPTION In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings which illustrate preferred embodiments of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

1 is a perspective view of a precast concrete segment block for vertical structures having various bracket connecting means according to the present invention, Figures 2a to 2b is a precast for vertical structures having various bracket connecting means according to the present invention Partial cross-sectional perspective view of the concrete segment block, Figure 3 is a schematic diagram of a circular vertical sphere using a precast concrete segment block for vertical structures having various bracket connection means according to the present invention.

As shown, the precast concrete segment block (hereinafter, abbreviated as "hollow PC") for the vertical structure having various bracket connecting means according to the present invention is a first wall constituting the inner wall surface of the concrete block. (11) and the second wall (12) constituting the outer wall surface is connected to the central portion and both sides in a state spaced at a predetermined interval has a shape of the enclosure having a concrete pouring hole (13) in the interior and connecting grooves at both ends 14 is integrally formed, the bridge 16 is formed in the center of the pour hole 13, the multi-purpose composite pipe 15 is formed therein, and a plurality of auxiliary bridges formed on both sides of the bridge ( 17) is integrally formed.
In addition, formed in the pour hole 13 of the hollow PC 100 is installed so that the pour hole 13 is formed is connected to the porous tube 20 is formed in communication with the multi-use composite pipe (15).

In addition, the connecting protrusions 111 'and 121 of the connecting protrusions 111 and 121 protruding upward from the upper portion of the first wall 11 and the second wall 12 and the hollow PC 100' adjacent to the lower portion. ') Are connected to the grooves 112 and 122 are in close contact.

In addition, both sides of the hollow PC 100, the bridge 16 and the auxiliary bridge 17 is fitted with a water-expandable index (30) to serve as the order of the connection portion of the concrete block is stacked on the top and bottom Being fitted groove 18 is formed.

Meanwhile, as another installation example of the water-expandable index member, the water-expandable index member 32 fixed to the gasket 33 at both sides of the upper and lower pouring holes 13 of the hollow PC 100 is shown in FIG. 2C. ) And the water-expandable index member 33 is installed in the horizontal direction of the hollow PC 100 in such a manner that the bottom of the gasket 33 is fixed to the upper and lower surfaces of the hollow PC 100.

In particular, the water-expandable index (33) is installed on the upper and lower portions of the hollow PC 100 in close contact with the water-expandable index (33) of the block stacked in the vertical direction to achieve a complete watertight effect in the horizontal direction In addition, the water-expandable index material swells when water invades due to the characteristics of the water-expandable index material, thereby providing a more firm adhesion, thereby blocking the inflow of groundwater.

In addition, the gasket 33 is formed of a soft synthetic resin or rubber material and can be easily deformed, so that the straight form and the curved form are freely installed.

On the other hand, at both ends of the hollow PC 100 to form a groove 142 for the fitting of the vertical index 31 in the vertical direction of the hollow PC (100 ') in close contact with the hollow PC 100 It serves as the connecting part.

In particular, the installation position of the water-expandable index member 30, the vertical index member 31 and the porous tube 20 formed in the hollow PC 100 is made around the central portion of the hollow PC 100. Perforated pipe 20 is formed on the side of the first wall 11, the water expansion index 30 is installed on the side of the second wall 12, the vertical index member is fitted into the groove 142 of the hollow PC ( 31 indicates that the inflow of groundwater from the excavation surface in close contact with the outside of the second wall 12 so as to be located between the water expansion index 30 and the second wall 12, the vertical index and the water expansion index 30 The ash 31 is formed to prevent the groundwater flowing in the vertical and horizontal directions primarily, and to discharge the groundwater or the water generated in the concrete pouring process, which is introduced in the secondary, through the porous pipe 20 to the outside of the concrete block. It can maintain the watertight maintenance state stably.

In addition, a plurality of hollows are stacked on the upper and lower portions of the auxiliary bridges 17 through which the spiral bar 171 connected to the reinforcing bars formed inside the hollow PC 100 protrudes to be stacked later. The PC 100 is firmly connected, and the size and number of the auxiliary bridges 17 may be variously modified and added or reduced depending on the size and shape of the hollow PC 100 to be manufactured.

In addition, a plurality of coupling holes 113 and 141 are formed in the surface of the first wall 11 and the connection groove 14 to install the bracket 200 for mounting the slab 400.

In addition, the multi-use composite pipe 15 formed in the bridge 16 is made to penetrate from the top of the hollow PC (10) to the bottom and the hydraulic cylinder for the downward movement of the hollow PC (100) for the construction of the vertical structure ( A load pipe 600 connected to the not shown) is inserted.

The porous tube 20 is the water generated in the process of placing concrete in the pour hole 13 of the hollow PC 100 or groundwater that can be introduced from the outside is introduced into the porous tube 20 and the porous tube It is configured to be discharged to the outside of the hollow PC 100 through the multipurpose composite pipe 15 connected to the (20).

On the other hand, the bracket 200 is shown in Figure 4 to 5, the anchor bolt 210 is fitted to the coupling hole 113, and the lower portion is fitted to the anchor bolt 210, the first wall 11 The main body 220 is in close contact with one side, and the nut 230 is screwed to the anchor bolt 210 to fix the main body 220.

The main body 220 has an approximately "a" shape in cross section, and a hole 222 and a plurality of ribs 223 in which an anchoring bolt 210 is fitted at an upper portion of the seating surface 221 and a lower portion thereof are integrally formed.

In addition, the bracket 200 is installed at a position downward from the upper side of the first wall 11, and preferably the upper surface of the slab 400 seated on the upper portion of the bracket 200 is the first wall ( 11) Install at the position which can be located on the same line as the upper end of

In addition, the bracket 200 is installed on a portion where the bridge 16 is formed on the rear surface of the first wall 11 of the anchor bolt 210 fixed to the first wall 11 for fixing the bracket 200. By securing a wide fixing range to prevent the anchor bolt 210 is damaged by the load of the bracket 200 and the slab 400.

On the other hand, Figure 6 is another embodiment of the bracket (200 ') This embodiment reinforces to protrude to the inside of the first wall (11) in the process of manufacturing the hollow PC 100, concrete pouring and curing It is characterized in that the type PC 100 and the bracket 200 'are integrally formed.

On the other hand, Figures 7 to 8 is another embodiment of the bracket is a feature of this embodiment provides a bracket in the form of a part embedded in the concrete block in the connection portion of the concrete block adjacent to the hollow PC 100 horizontally do.

In addition, the bracket 500 of the embodiment has a purpose to be installed in the connecting portion of the block and the block and the purpose of seating the slab and to prevent the connection portion of the block and the block to open.

That is, as shown in the bracket 500 of the present embodiment is an anchor bolt 510 is inserted and fixed to the connection groove 14 of the hollow PC 100 and the anchor bolt 510 is in close contact with the fitting It consists of a plate 520, a fixed plate 530 that is assembled to be spaced apart from the contact plate 520 and the body 550 in close contact with one surface of the fixed plate 530 is fastened by a nut 540.

In addition, the contact plate 520 is fastened with a nut in the state in which the end of the auxiliary anchor 560 is inserted into the excavation surface fixed to the center portion is fixed to the concrete block that is substantially laminated.

The body 550 has a “a” shape in cross section, and a seating surface 551 and a plurality of ribs 552 are integrally formed at the top thereof.

In addition, a buried portion 553 is formed on one side of the body 550 to protrude from the body 550 to be in close contact with the fixing plate 530 and an anchor bolt 510 is inserted into the buried portion 553. On both sides of the close contact portion 554 in close contact with the first wall 11 is formed integrally with the body 550.

Buried bracket 500 of the present embodiment configured as described above is to install the anchor bolt 510 in the coupling hole 141 formed in the connection groove 14 of each concrete block 100 and to combine the close contact plate 520 The state in which the concrete blocks and the neighboring concrete blocks are fixed in a horizontal direction and at the same time, the auxiliary anchor 560 inserted into the contact plate 520 is tightened to secure the state in which the concrete blocks are firmly adhered to the excavation surface. To maintain.

In addition, the fixing plate 530 fitted to the exposed anchor bolt 510 is installed at the other side of the contact plate 520 to be spaced apart from the contact plate 520 by a predetermined interval, and the body (1) on one surface of the fixing plate 530. In the state in which the buried portion 553 of 550 is in close contact, the anchor bolt 510 and the nut 540 are screwed to install the body 550 in close contact with the fixing plate 530.

At this time, the body 550 is a connection groove 14 in a state in which the buried portion 553 protruding to one side is in close contact with the fixing plate 530 and both of the close contact portions 554 are in close contact with the surface of the first wall (11). By placing concrete on the part to bury the contact plate 520, the fixing plate 530, and the buried part 553 of the body 550, the fastening state of the body 550 protruding inwardly is maintained firmly and substantially the bracket 500 Support the slab seated on the upper surface of) stably.

In addition, the shape of the bracket (200, 200 ', 500) of the embodiment is one or more than one or more, one or more brackets are installed on one side of each block as shown in Figure 3 or one bracket (200, 200) ', 500 is formed to be the same length as the length of the hollow PC 100 is formed on the first wall (11), such as the use of the vertical structure, can be formed in various shapes depending on the shape.

In addition, the auxiliary anchor 560 is installed to improve the bearing capacity of the anchor 510 or the concrete block 100 is installed for the assembly of the bracket (200, 500) is connected to the hollow PC 100 (concrete) A rubber packing (not shown) is inserted into the block and the portion of the anchor or auxiliary anchor to prevent the inflow of groundwater into the portion where the anchor is installed.

On the other hand, Figures 9 to 10 show another form of the hollow PC 100 according to the present invention, as shown in the case of the PC hollow wall structure of the rectangular shape of the "-" shown in Figure 9 It can be applied to various installation environments according to the shape of the building underground wall using various types of blocks, such as concrete blocks or "a" shaped concrete blocks shown in FIG.

Figure 11 is a schematic diagram showing the discharge process of the inflow water using the porous pipe of the precast concrete segment block for the vertical structure having a variety of bracket connecting means according to the present invention.

As shown, the upper and lower concrete blocks are connected to the pour hole 13 of the hollow PC 100 as a means of connecting the upper and lower blocks when the plurality of hollow PCs 100 are stacked in the process of constructing the vertical structure. Reinforcement is reinforced, and concrete is poured and cured to connect upper and lower concrete blocks.

At this time, the groundwater introduced into the connection portion of the water or concrete block during the curing process of the concrete is introduced into the porous pipe 20 and the groundwater introduced is through the multipurpose composite pipe 15 formed in the center of the hollow PC 100 By discharging to the outside of the concrete block to remove the water generated during curing ensures the concrete curing state of excellent strength.

 In addition, the multi-use composite pipe 15 is finished after the construction of the vertical structure to remove the road pipe 600 and to finish by pouring concrete inside.

On the other hand, the process of pouring concrete and curing in the interior of the pour hole 13 as described above can significantly shorten the curing time by the steam provided through the multi-use composite pipe (15).

That is, Figure 12 is a schematic diagram showing the steam inlet form for curing of concrete poured in the interior of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the present invention.

As shown in the drawing, the enclosure 900 is formed to move the vapor flowing in the lower portion of the hollow PC 100 to both sides and is connected to the load pipe 600 to form the hollow 900. To the bottom of the

In addition, the rod pipe 600 is inserted into the multipurpose composite pipe 15 of the hollow PC 100, and the steam supply unit 910 connected to the steam device 930 is inserted around the load pipe 600 to steam the steam. The steam flowing from the device is transferred to the lower part of the concrete block through the multipurpose composite pipe 15 and provided evenly under the hollow PC 100 by the housing 900 to cure the concrete poured in the pour hole 13. Promote.

 In addition, the mesh net 920 is in close contact with the bottom surface of the hollow PC 100 to prevent the concrete flowing into the pouring hole 13 from entering the enclosure 900, and the upper surface of the enclosure 900 is meshed. It is installed in the form of pressing the edge of the 920 to prevent the concrete from flowing into the enclosure 900 it is possible to supply a stable steam.

In addition, the rod pipe 600 is inserted through the multi-use composite pipe 15 of the hollow PC 100 in a state connected to the housing 900 formed in the lower portion to substantially support the bottom surface of the hollow PC 100 By having a hollow PC 100 securely installed while having ensures a stable down even when descending.

On the other hand, Figure 13 is a view showing a coupler for the connection of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the present invention.

As shown, the upper hollow PC 100 and the lower hollow PC 100 are provided with a coupler 300 at the end of the spiral bar 171 connected to the rebar exposed to the upper and lower portions of the auxiliary bridge 17 and By tightening with nuts, the upper and lower fastening states of the upper and lower concrete blocks can be physically secured.

On the other hand, Figures 14 to 17 shows another embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the invention, the feature of this embodiment is to connect the block and the block in close contact It is characterized by the installation by inserting the key block.

14 is a partial perspective view of another embodiment of a precast concrete segment block for vertical structures having various bracket connection means according to the present invention, and FIG. 15 is a free for vertical structure having various bracket connection means according to the present invention. The perspective view of the key block of the configuration of another embodiment of the cast concrete segment block, Figure 16 is a view for explaining the use state of another embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the present invention This is a schematic diagram showing a state before the key block is fastened for this connection, Figure 17 is a view for explaining the use of another embodiment of the precast concrete segment block for the vertical structure having a variety of bracket connection means according to the present invention Key block fastening for this connection It is a schematic diagram showing the state.

As shown, the hollow PC 100 according to the present exemplary embodiment forms an inclined surface 143 which is connected to the connection groove 14 at both ends and has a groove 142 formed thereon, and is in close contact with the inclined surface 143. By inserting the key block 700 which is inserted into the slide to push the connecting portion of the hollow PC 100 and the adjacent hollow PC (100 ') in the horizontal direction to both sides, each block constituting the vertical structure firmly It has a feature of physically maintaining a close state.

 The key block 700 has a pair of connecting protrusions 7111 and 7121 and fitting grooves 718 and a pair of connecting grooves 7112 and 7122 formed at a lower portion thereof, and a plurality of through holes 721 at one side thereof. A pair of inclined surfaces 720 are formed integrally with a wing portion 722 having a groove and a groove 7142 formed on the other side and narrowly in an end side thereof, and into which the vertical index material 31 is fitted.

In addition, an auxiliary fitting groove for fitting an auxiliary water-expandable index member (not shown) inside the connection protrusions 7111 and 7121 and the connection grooves 7122 and 7112 formed at the top and bottom of the key block 700. Including water (7111a, 7121a) to maintain the double watertight to prevent the inflow of groundwater at the source.

In particular, the auxiliary fitting grooves (7111a, 7121a) is located on the same line as the auxiliary fitting grooves (111a, 121a) formed in the upper and lower portions of the hollow PC 100, by inserting the index member to connect the horizontal of the hollow PC 100 Double watertight of enemy connections.

The horizontal connection process of the block using the hollow PC 100 and the key block 700 configured as described above will be described in detail with reference to FIGS. 16 to 17.

In the process of stacking a plurality of concrete blocks vertically and horizontally in order to construct a vertical structure, the plurality of concrete blocks are connected in the horizontal direction of the concrete block and the hollow PC 100 and the neighboring hollow PC 100 ' By inserting the key block 700 in the gap generated in the connection of the physical connection by pressing the connection portion of the concrete block connected in the horizontal direction to maintain a firm adhesion.

That is, the inclined surface of the key block 700 by inserting the key block 700 into the space between the inclined surface 143 formed at the end of the hollow PC 100 and the inclined surface 143 'of the neighboring hollow PC 100'. The coupling holes 141 and 141 'of the hollow PCs 100 and 100' are positioned on the same line while the 720 is in close contact with the inclined surfaces 143 and 143 'of the hollow PCs 100 and 100'. Inserting and tightening a fastening means (not shown), such as a bolt nut, into the through hole 721 formed in the key block 700 to fit the key block 700 into the space between the blocks and at the same time the hollow PC 100 Pressing to both sides so that the connection portion of the plurality of concrete blocks constituting a layer tightly adhered to each other.

In addition, when the key block 700 is fastened to the space between the hollow PC 100 using the fastening means such as bolts and nuts as described above, the connecting projections (7121, 7111) formed on the upper and lower portions of the key block (700). ) And connecting grooves (7112, 7122) are located on the same line as the connecting projections (111, 121) and connecting holes (112, 122) formed in the hollow PC 100 to ensure a smooth fastening with the concrete block stacked on top do.

In addition, in the state where the hollow PC 100 and the key block 700 are connected as described above, the groove 142 and the inclined surface 720 of the key block 700 are formed on the inclined surface 143 of the hollow PC 100. The formed groove 7142 is connected to form a garden, thereby inserting the vertical index 31 into the inside, and the water-expandable index in the fitting grooves 18 and 818 formed in the hollow PC 100 and the key block 700. 30) by inserting the hollow type PC 100 is characterized in that it prevents the penetration of water in the vertical direction and the horizontal direction.

As described above, the precast concrete segment block for vertical structures having various bracket connection means according to the present invention is light in weight compared to the cast-in-place block, and is easy to handle, such as movement and installation of the block. Easy reinforcement for connection, it is easy to connect the upper block and the lower block that make up the vertical structure through the internal concrete pouring, and can block the inflow of groundwater at the source, especially the installation of the slab installed inside the vertical structure It can be installed firmly in various forms for the bracket is characterized by improving the workability and workability of the vertical structure and the construction quality.

In addition, in the process of being vertically and horizontally connected to the hollow PC 100, the connection part of the hollow PC and the neighboring hollow PC in the horizontal direction and the vertical direction in the double triple in the configuration of the index material and the porous tube, etc. By preventing the inflow of groundwater through the source, it is possible to protect the installation structure, such as an elevator installed inside the vertical sphere structure from the groundwater has a feature that can ensure stable operation and use.

In addition, the hollow PC 100 of the present invention has a hollow hollow PC shape inside, so even when a horizontal tunnel and a connection construction are required in the basement where the vertical structure is installed, a part of the concrete block is easily removed and connected with the horizontal tunnel. Therefore, it is easy to connect with a horizontal tunnel such as a ventilation passage for ventilation of underground facilities or a cable passage for supplying power, so it has excellent workability and general use.

As described above, optimal embodiments have been disclosed in the drawings and the specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

100 hollow PC 11 first wall
12: second wall 13: pour
14: connecting groove 15: multi-use composite pipe
16: bridge 17: auxiliary bridge
18: fitting groove 20: porous tube
30: water expansion index
200, 200 ', 500: Bracket
210: anchor bolt 220: main body
221: seating surface 222: hole
223 rib 230 nut
300: Coupler
400: slab 510: anchor bolt
520: contact plate 530: fixed plate
540: nut 550: body
551: Seating surface 552: Rib
553: buried part 554: close contact
560: auxiliary anchor 600: road pipe
700: key block 7111, 7121: connection projection
718: fitting groove 7112, 7122: connecting groove
721 through hole 722 wings
7142: groove 720: slope

Claims (14)

In the precast concrete segment block for vertical structures according to the top-down method,
The block constitutes an inner wall surface and has a connecting protrusion 111 at the upper portion, a connecting groove 112 at the lower portion, and a first hole 11 having a coupling hole 113 at one side thereof, and an outer wall surface. Both sides of the second wall 12 having the connection groove 122 at the bottom and the connection groove 122 at a predetermined interval are connected to each other to have a shape of a housing having a concrete pouring hole 13 therein, and the connection groove 14 at the outside. ) And the inner pouring hole 13 is partitioned by a bridge 16 having a multi-use compound pipe 15 formed at the center portion thereof, and connected to the inner reinforcing bars at the upper and lower portions thereof at the center portion of the pouring hole 13. Consists of a hollow PC 100 made of a secondary bridge 17 to which the vane 171 is exposed,
Here, the precast concrete segment for the vertical structure having a variety of bracket connection means characterized in that connecting the blocks stacked by connecting the spiral bar 171 exposed to the upper and lower portions of the secondary bridge 17 with the coupler 300 block.
The method of claim 1,
Precast concrete segment for the vertical structure having a variety of bracket connection means, characterized in that it further comprises a bracket (200, 200 ', 500) for the installation of the slab 400 is assembled on the inner surface of the first wall (11) block.
The method of claim 2,
The brackets 200, 200 ′ and 500 are formed at positions downward from the top to the bottom so that the top surface of the slab 400 seated on the top may be located on the same line as the upper end of the first wall 11. Precast concrete segment blocks for vertical structures with various bracket connections.
The method of claim 2,
The bracket 200, the anchor bolt 210 is fitted to the coupling hole 113, the lower portion is fitted to the anchor bolt 210, one side is in close contact with the first wall (11) and the cross section is "a" Body 220 having a shape and the mounting surface 221 on the top and the anchor bolt 210 is fitted in the lower portion 222 and the rib 223 integrally formed with the body 220, the anchor to secure the body 220 Precast concrete segment block for the vertical structure having a variety of bracket connection means characterized in that consisting of a nut 230 screwed to the bolt (210).
The method of claim 2,
The bracket 200 ′ constitutes an inner wall surface, protrudes the inner reinforcement in the direction of the connecting protrusion 111 and the lower portion and the inner surface of the upper portion and casts the concrete and is integrated with the first wall 11. Precast concrete segment block for vertical structures having a variety of bracket connection means characterized in that formed by.
The method of claim 2,
An anchor bolt 510 inserted into and fixed to the coupling hole 141 of the connecting groove 14 and the bracket 500 is formed at an edge thereof, and a hole in which the anchor bolt 510 is fitted is formed at the center of the auxiliary anchor 560. ) Is in close contact with the end of the clamping plate 520 is fastened with a nut, the fixing plate 530 assembled to be spaced apart from the contact plate 520 by a predetermined interval, and one surface of the fixing plate 530 and the cross section is A buried part having a hole in which an anchor bolt 510 is inserted and protrudes from the body 550 to be in close contact with the mounting surface 551 and the lower portion 551 and the fixing plate 530 in the form of "a" ( 553 and both sides of the buried portion 553 for the vertical structure having a variety of bracket connection means characterized in that the body 550 formed integrally with the contact portion 554 in close contact with the first wall (11) Precast Concrete Segment Block.
The method of claim 1,
The inclined surface 143 is formed to be connected to the connection groove 14 at one side or both ends of the hollow PC 100, and the key block 700 for interference fitting to the adjacent concrete block and the connection portion in the horizontal direction More,
The key block 700 has a pair of connecting protrusions 7111 and 7121 and fitting grooves 718 and a pair of connecting grooves 7112 and 7122 formed at a lower portion thereof, and a plurality of through holes 721 at one side thereof. A variety of bracket connecting means characterized in that the pair of inclined surface 720 is formed integrally with the wing portion 722 and the other side is formed narrower to the end side and the groove 7172 is fitted with the vertical index 31. Precast Concrete Segment Block for Vertical Structures.
The method of claim 1,
The precast concrete segment block for vertical structures having various bracket connection means, characterized in that it further comprises a porous pipe 20 formed in the pour hole 13 and installed in communication with the multipurpose composite pipe 15.
The method of claim 8,
The perforated pipe 20 is installed in communication with the plurality of pouring holes 13 and the central portion is formed in communication with the multi-use composite pipe 15 is water generated in the process of pouring concrete in each pouring hole 13 or Precast concrete segment for vertical structures having various bracket connection means characterized in that the groundwater which can be introduced from the outside is introduced into the porous pipe 20 and discharged to the outside of the hollow PC 100 through the multipurpose composite pipe 15. block.
The method of claim 1,
Enclosure 900 in the form of a body for uniformly providing the steam flowing from the multipurpose composite pipe 15 to the mesh net 920 and the lower portion of the hollow PC 100 in the lower portion of the hollow PC 100 And a steam supply unit 910 installed around the road pipe 600 inserted into the multipurpose composite pipe 15 and connected to the steam device 930 while being fitted to the multipurpose composite pipe 15.
Here, the steam flowing from the steam apparatus 930 is moved to the lower portion of the hollow PC 100 through the multipurpose composite pipe 15 and promotes curing of the concrete poured in the pouring hole 13 by the housing 900. Precast concrete segment block for vertical structures having a variety of bracket connection means characterized in that.
The method of claim 1,
The hollow PC 100 is a precast concrete segment block having a vertical structure having a variety of bracket connection means, characterized in that formed in one of the form of "-" or "a" form or fan shape.
delete The method of claim 1,
The upper and lower portions of the hollow PC 100 further includes a fitting groove 18 into which the water expansion index 30 is inserted.
Here, the free expansion for the vertical structure having a variety of bracket connection means characterized in that by inserting the water-expandable index (30) in the fitting groove 18 and stacking the concrete block 100 to prevent the inflow of groundwater from the excavation surface Precast concrete segment blocks.
The method of claim 1,
It further includes a pair of water-expandable index (32) supported by the gasket 33 on both sides of the upper and lower pouring balls 13 of the hollow PC 100,
Here, the upper water-expansion index 32 and the lower water-expansion index 32 of the hollow PC 100 adjacent to the upper surface closely contact the various brackets, characterized in that to prevent the inflow of groundwater in the horizontal direction Precast concrete segment block for vertical structures with connecting means.

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