KR101705311B1 - Precast concrete panels and paving method using an embedded nut and asymmetric pocket - Google Patents
Precast concrete panels and paving method using an embedded nut and asymmetric pocket Download PDFInfo
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- KR101705311B1 KR101705311B1 KR1020150136984A KR20150136984A KR101705311B1 KR 101705311 B1 KR101705311 B1 KR 101705311B1 KR 1020150136984 A KR1020150136984 A KR 1020150136984A KR 20150136984 A KR20150136984 A KR 20150136984A KR 101705311 B1 KR101705311 B1 KR 101705311B1
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- concrete panel
- asymmetric
- nut
- pockets
- buried
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
- B66C1/666—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof for connection to anchor inserts embedded in concrete structures
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/005—Methods or materials for repairing pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
- E01C2201/14—Puzzle-like connections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to an asphalt pavement which can be used in the case where a concrete or asphalt pavement including concrete, asphalt pavement flatness, etc. is lost due to cracks and breakage of concrete or asphalt pavement inside and on the surface of an airport runway, Concrete, and asphalt pavement, and a pre-cast concrete panel using a buried nut and asymmetrical pockets manufactured separately at the above-mentioned demolition site is inserted and installed to greatly shorten the air according to concrete and asphalt pavement. And a precast concrete panel using the asymmetric pockets and a paving method thereof.
According to an aspect of the present invention, there is provided a precast concrete panel using buried nuts and asymmetric pockets according to the present invention, comprising: a concrete panel comprising at least two rectangular divided bodies having a predetermined thickness and width; A plurality of asymmetric pockets (200) cut out at predetermined intervals at a lower side of a side surface of the concrete panel (100) so as to have a predetermined shape; A grouting inlet 300 communicating with an asymmetric pocket 200 formed at the lower side of the side wall of the concrete panel 100 and injecting the grout material; A grouting outlet 310 communicating with the asymmetric pocket 200 through the upper portion of the concrete panel 100 while being spaced apart from the grouting inlet 300 by a predetermined distance and discharging the grout material injected through the grouting inlet 300, Wow; An upper open embedding nut 400a or a through type embedding nut 400b which is installed at a predetermined position on the inner side surface of the concrete panel 100 and is vertically buried so as to be opposed to each other in the transverse direction of the concrete panel 100, Wow; A mortar injection groove 500 connected to a side surface of the asymmetric pocket 200 and formed at an edge of the concrete panel 100; A through hole (700) formed through the concrete panel (100) between the asymmetric pockets (200) and having a predetermined diameter in the longitudinal direction; The asymmetric pocket 200 has a width greater than the width of the upper portion 210 and the lower portion 220 and is larger than the width of the upper portion 210 and the lower portion 220, And a tie bar 610 is inserted in the longitudinal direction of the dowel bar 600. The tie bar 610 is inserted in the longitudinal direction and the upper open embedding nut 400a is inserted into the asymmetric pocket 200, Or the through type buried nuts 400b are composed of a nut 410 having a constant inner diameter and a supporting part 420 horizontally installed on both sides in the center of the nut 410. The upper open type buried nut 400a The H beam 630 is installed on the pad 620 and the H beam 630 and the upper open embedding nut 400a or the upper open embedding nut 400b A long bolt 640 is fixedly installed through the through type buried nuts 400b, A rod 800 is inserted into the tube 810 so that the nut 820 is fastened to both ends of the rod 800. A grouting injection pipe 830 is formed in the nut 820, A fixing line 910 is provided in the through hole 700 and a steel wire 900 is inserted into the fixing hole 910. The concrete panel 100 is coated with 100 parts by weight of Portland cement, 10 to 15 parts by weight of a crack preventing agent composed of 25% by weight of cement, 50% by weight of calcite and 25% by weight of magnesia are mixed and the bitumen, monomer, powder filter, UV blocker, OCH (Cl3) 2] 4 and (CH3 (O) (CH3) 2) 4 are coated on the upper surface of the concrete panel 100 or on the surface of the surface strengthening agent by applying a surface strengthening agent such as Olic Acid, Carboxylic Acid or Dibutyl Phthalate. ) 2 TiO2 sol (sol) 0.57 mol / l prepared with CHOH, SiO2 sol prepared with C8H20O4Si and (CH3) CHOH, And at least one metal ion selected from the group consisting of Ag, Zn, and Cu was supported on 0.50 mol / l of ZnO sol prepared from Zn (C2H3O2) 2, A photocatalyst comprising 40% SiO 2 sol and 9% ZnO sol and 1% of at least one metal ion selected from Ag, Zn and Cu is applied.
According to another aspect of the present invention, there is provided a precast concrete panel asymmetric pavement method using a buried nut and asymmetric pockets according to the present invention. The precast concrete panel asymmetric pavement method comprises: a concrete panel 100 comprising at least two rectangular divided bodies having a predetermined thickness and width; A plurality of asymmetric pockets (200) cut out at predetermined intervals at a lower side of a side surface of the concrete panel (100) so as to have a predetermined shape; A grouting inlet 300 communicating with an asymmetric pocket 200 formed at the lower side of the side wall of the concrete panel 100 and injecting the grout material; A grouting outlet 310 communicating with the asymmetric pocket 200 through the upper portion of the concrete panel 100 while being spaced apart from the grouting inlet 300 by a predetermined distance and discharging the grout material injected through the grouting inlet 300, Wow; An upper open embedding nut 400a or a through type embedding nut 400b which is installed at a predetermined position on the inner side surface of the concrete panel 100 and is vertically buried so as to be opposed to each other in the transverse direction of the concrete panel 100, Wow; A mortar injection groove 500 connected to a side surface of the asymmetric pocket 200 and formed at an edge of the concrete panel 100; A through hole (700) formed through the concrete panel (100) between the asymmetric pockets (200) and having a predetermined diameter in the longitudinal direction; The asymmetric pocket 200 has a width greater than the width of the upper portion 210 and the lower portion 220 and is larger than the width of the upper portion 210 and the lower portion 220, And a tie bar 610 is inserted in the longitudinal direction of the dowel bar 600. The tie bar 610 is inserted in the longitudinal direction and the upper open embedding nut 400a is inserted into the asymmetric pocket 200, Or the through type buried nuts 400b are composed of a nut 410 having a constant inner diameter and a supporting part 420 horizontally installed on both sides in the center of the nut 410. The upper open type buried nut 400a The H beam 630 is installed on the pad 620 and the H beam 630 and the upper open embedding nut 400a or the upper open embedding nut 400b A long bolt 640 is fixedly installed through the through type buried nuts 400b, A rod 800 is inserted into the tube 810 so that the nut 820 is fastened to both ends of the rod 800. A grouting injection pipe 830 is formed in the nut 820, A fixing line 910 is provided in the through hole 700 and a steel wire 900 is inserted into the fixing hole 910. The concrete panel 100 is coated with 100 parts by weight of Portland cement, 10 to 15 parts by weight of a crack preventing agent composed of 25% by weight of cement, 50% by weight of calcite and 25% by weight of magnesia are mixed and the bitumen, monomer, powder filter, UV blocker, OCH (Cl3) 2] 4 and (CH3 (O) (CH3) 2) 4 are coated on the upper surface of the concrete panel 100 or on the surface of the surface strengthening agent by applying a surface strengthening agent such as Olic Acid, Carboxylic Acid or Dibutyl Phthalate. ) 2 TiO2 sol (sol) 0.57 mol / l prepared with CHOH, SiO2 sol prepared with C8H20O4Si and (CH3) CHOH, And at least one metal ion selected from the group consisting of Ag, Zn, and Cu was supported on 0.50 mol / l of ZnO sol prepared from Zn (C2H3O2) 2, A photocatalyst coated with a photocatalyst consisting of 40% of SiO2 sol and 9% of ZnO sol and at least 1% of at least one metal ion selected from Ag, Zn and Cu, and a precast concrete panel using asymmetric pockets P);
A pad 620 is installed on the upper open embedding nut 400a or the penetration type embedding nut 400b of the precast concrete panel P using the manufactured buried nuts and asymmetric pockets, H beams 630 are installed and the elongated bolts 640 are fixedly installed through the H beam 630 and the upper open embedding nut 400a or the penetration type embedding nut 400b, 630 of a crane and a precast concrete panel P using an asymmetric pocket and a buried nut having an H beam 630 mounted thereon using the crane, The pre-cast concrete panel P using the buried nuts and the asymmetric pockets mounted on the vehicle is disposed in the reverse order to the vehicle, and the pre-cast concrete panels P ) To the place near the installation site .; Determine the demolished part of the concrete pavement (O) composed of aged concrete panels, but do not partially determine the old aged concrete pavement (O) which is partially obsolete and scattered, Determining the size of the demolished portion of the concrete pavement O made of the aged concrete panel with four pavement units up to (O); Separating the four pack units from the old concrete pavement determined in the demolishing part determination step to a predetermined size using a wheel saw and demolishing the same; Cutting and removing the old concrete pavement (O) to uniformly obtain a bottom surface of the removed raised grooves (H) by using a roller and compaction with uniform strength;
Installing a precast concrete panel (P) using the buried nuts and asymmetric pockets in the demolished grooves (H); Temporarily using a pre-cast concrete panel (P) using the installed buried nuts and asymmetric pockets; Lifting and moving the precast concrete panel (P) using the installed buried nuts and asymmetric pockets near the installation site; Installing a dowel bar (600) in a transverse direction and installing a tie bar (610) in a longitudinal direction on the old concrete pavement (O) placed on both sides of the demolished groove (H); (660) having a predetermined thickness on the bottom surface of the demolished groove (H); The pre-cast concrete panel P using the buried nuts and the asymmetric pockets carried near the installation place on the vinyl 660 is inserted into the upper open embedding nut 400a of the precast concrete panel P using the buried nuts and the asymmetric pockets, The H beam 630 is installed on the pad 620 and the H beam 630 and the upper open embedding nut 400a or the through hole type buried nuts 400b, Type buried nuts 400b so as to fix the long bolt 640. The H beam 630 is connected to the H beam 630 by a crane wire 659, The precast concrete panel P using the buried nuts and the asymmetric pockets is moved in the demolding grooves H with the asymmetric pockets 200 facing downward to move the precast concrete panel P using the buried nuts and asymmetric pockets And an installation step; It is possible to secure the flatness of the precast concrete panel P using the embedding nut and the asymmetric pocket seated on the demolished groove H by using the H beam and to improve the flatness of the precast concrete panel P using the embedding nut and the asymmetric pockets Adjusting a height; The grouting material injected through the grouting injection port 300 of the precast concrete panel P using the asymmetric pockets and the buried nuts placed in the demolished grooves is checked to see whether the grouting material injected from the grouting outlets 310 flows out, Grout filling the pre-cast concrete panel (P) using the asymmetric pockets and the old aged concrete pavement (O); The mortar M is injected at a constant height between the pre-cast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O to form a new pre-cast concrete panel P ) And the retained aged concrete pavement (O) with mortar; A backup material 670 is installed between the precast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O and a sealing material 680 is installed on the backup material 670 And a joint 690 is installed.
Description
The present invention relates to a precast concrete panel using a buried nut and asymmetric pockets and a method of paving the same. Particularly, it is an object of the present invention to provide a precast concrete panel and a method of paving the same for an airport runway, In case of loss of concrete and asphalt pavement function including concrete, asphalt pavement flatness, old concrete and asphalt pavement of existing road are removed, and new buried nuts and asymmetric pockets Asphalt concrete, asphalt pavement, new concrete and asphalt pavement nuts which can be applied to asphalt pavement and asphalt pavement, which not only shortens the air according to road asphalt and concrete pavement by inserting and installing concrete panel, but also maintains uniform quality control. And asymmetric pockets The present invention relates to a precast concrete panel and a paving method thereof.
Generally, the soil layer is deformed when repeated wheel load is applied. Therefore, a structure is required to prevent deformation due to the vehicle between the wheel and the soil layer. The structure is composed of several layers and is called as a package.
The road pavement forming the above-mentioned package is divided into a soft pavement and a rigid pavement according to the surface treatment type. As a typical method of the soft pavement, there is an asphalt concrete pavement. As a representative method of the rigid pavement, there is a concrete pavement.
Here, the above-mentioned asphalt concrete pavement is a road pavement method which is most commonly applied since there are many technical know-how in domestic, because it is possible to pass the vehicle in a few hours after installation.
However, since asphalt and concrete pavement are vulnerable to high temperatures and static loads, most of the pavement damage is in the form of permanent deformation such as rutting and surface pavement, and maintenance such as repackaging every 5 years due to poor durability There is a problem in that the economic efficiency is poor.
Meanwhile, it is known that the above-mentioned concrete pavement is superior in durability and maintenance cost as compared with the ascon pavement. There are various patch pavement methods for the damage of the concrete pavement, and the bonded pavement, There is an overlay and an unbonded overlay which installs asphalt between the existing pavement and the new pavement, followed by concrete overlaying.
However, in the concrete pavement described above, a curing period is required for a certain period of time in order to obtain a predetermined strength, which may cause a great deal of trouble to the vehicle passage, and also cracks generated on the lower surface may affect the upper concrete pavement surface .
In order to solve the above problems, a precast concrete panel using a landing nut for asphalt pavement and asymmetric pockets and a manufacturing method thereof have been proposed in Japanese Patent No. 10-0687210.
1 is a perspective view 1 showing a conventional precast concrete panel using a buried nut for road pavement and an asymmetric pocket, FIG. 2 is a cross-sectional view of a precast concrete panel using a conventional buried nut for road pavement and asymmetric pockets to be.
As shown in these drawings, the conventional precast concrete panel using the buried nuts for road pavement and the asymmetric pockets includes a panel body 1 made of concrete and another panel body 1 adjacent to the panel body 1, (2) and / or a slot slot (3a) through which a mortar is fed, wherein the connecting member (2) and the charging slot (3) 3 are formed to correspond to the adjacent panel bodies 1, respectively.
A foam gasket 4 is formed on the lower surface of the panel body 1 to serve as a rim for the grout and a ground penetrating vertically through the panel body 1 for grouting into the foam gasket 4. [ And a
The pre-cast concrete panels using the asphalt padding and the buried nuts for road paving constructed as described above are planarized and then installed on the base layer in a state where a plurality of pre-cast concrete panels are manufactured using a formwork.
The pre-cast concrete panel using the above road packing packing nut and asymmetric pockets is sequentially connected by using the connecting
When the mortar is injected through the
However, the conventional pre-cast concrete panel using the buried nuts for road pavement and asymmetric pockets is only horizontally adjusted by the mortar injected into the
In order to solve the above problems, a precast concrete panel using a filling nest for road pavement and asymmetric pockets has been proposed in Japanese Patent No. 10-0662015.
FIG. 3 is a
As shown in these drawings, the conventional precast concrete panel using the buried nuts for road pavement and the asymmetric pockets includes a
The height adjustment means 40 includes a nut member 41 provided in a
In the precast concrete panel using the buried nuts for road paving and the asymmetric pockets of the prior art, the lower base layer can be flattened by the height adjusting means, but the fine horizontal adjustment of the upper base layer is a very difficult problem have.
SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide an asphalt pavement flatness The concrete and asphalt pavement of the existing road are removed, and a precast concrete panel using a factory built-up nuts and asymmetric pockets is inserted and installed in the demolished part, The present invention provides a precast concrete panel using the asphalt pavement and a filling nut which can greatly shorten the air generated by the asphalt pavement.
According to an aspect of the present invention, there is provided a precast concrete panel using buried nuts and asymmetric pockets according to the present invention. The precast concrete panel includes at least two rectangular divided parts having a predetermined thickness and width; A plurality of asymmetric pockets (200) cut out at predetermined intervals at a lower side of a side surface of the concrete panel (100) so as to have a predetermined shape; A
According to another aspect of the present invention, there is provided a precast concrete panel asymmetric pavement method using a buried nut and asymmetric pockets according to the present invention. The precast concrete panel asymmetric pavement method comprises: a
A
Installing a precast concrete panel (P) using the buried nuts and asymmetric pockets in the demolished grooves (H); Temporarily using a pre-cast concrete panel (P) using the installed buried nuts and asymmetric pockets; Lifting and moving the precast concrete panel (P) using the installed buried nuts and asymmetric pockets near the installation site; Installing a dowel bar (600) in a transverse direction and installing a tie bar (610) in a longitudinal direction on the old concrete pavement (O) placed on both sides of the demolished groove (H); (660) having a predetermined thickness on the bottom surface of the demolished groove (H); The pre-cast concrete panel P using the buried nuts and the asymmetric pockets carried near the installation place on the
As described above, the precast concrete panel and the pavement method using the buried nuts and asymmetric pockets according to the present invention can prevent cracks and damage to the inside and surface of the concrete and the asphalt pavement due to the operation of airplane, Concrete and asphalt pavement flatness, concrete and asphalt pavement of existing roads should be removed. If the concrete and asphalt pavement of existing roads are to be removed, the pre-cast concrete and asymmetric pockets There is an advantage in that air can be significantly shortened due to road pavement by inserting and installing the panel.
1 is a perspective view of a conventional pre-cast concrete panel using a road-packing embedding nut and an asymmetric pocket,
FIG. 2 is a cross-sectional view showing a precast concrete panel using a conventional road-packing embedding nut and an asymmetric pocket,
FIG. 3 is a perspective view of a conventional pre-cast concrete panel using a buried nut for road paving and asymmetric pockets,
Fig. 4 is a plan view of Fig. 3,
5 is a sectional view taken along the line AA in Fig. 4,
6 is a perspective view of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention.
FIG. 7 is a front view of a precast concrete panel using a buried nut and asymmetric pockets according to the present invention. FIG.
8 is a side view 1 of a precast concrete panel using a buried nut and asymmetric pockets according to the present invention,
9 is a plan view of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
10 is a perspective view of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
11 is a front view of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention.
12 is a
13 is a plan view showing a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
FIG. 14 is a plan view showing the state of the reinforcing steel reinforcement of the precast concrete panel using the buried nuts and asymmetric pockets according to the present invention, FIG.
15 is a sectional view taken along the line AA in Fig. 14,
Fig. 16 is a sectional view taken along line BB of Fig. 14,
17 is a plan view and a cross-sectional view illustrating a steel bar joint of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
Fig. 18 is a detailed view showing an enlarged view of a portion "a " in Fig. 17,
19 is a detailed view showing a steel bar joint of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
FIG. 20 is a plan view showing the joining of the steel bars and the grouting inlet between precast concrete panels using the buried nuts and the asymmetric pockets according to the present invention,
FIG. 21 is a cross-sectional view illustrating a joint between a precast concrete panel and a grouting inlet by using a buried nut according to the present invention and an asymmetric pocket. FIG.
22 is a plan view and a cross-sectional view showing the joining of the pre-cast concrete panel using the buried nuts and asymmetric pockets according to the present invention,
23 is a detailed view showing an enlarged view of a portion "a" in Fig. 22,
24 is a detailed view showing the joining of the pre-cast concrete panel using the buried nuts and asymmetric pockets according to the present invention,
25 is an enlarged view showing the "A" portion of FIG. 24,
FIG. 26 is a plan view showing the joining of the pre-cast concrete panels and the grouting inlet by using the buried nuts and the asymmetric pockets according to the present invention,
FIG. 27 is a cross-sectional view of a pre-cast concrete panel joining steel wire and a grouting inlet using a buried nut according to the present invention and an asymmetric pocket,
28 is a perspective view of an asymmetric pocket of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention;
29 is a cross-sectional view of an asymmetric pocket of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention;
30 is a perspective view of an asymmetric pocket of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
31 is a cross-sectional view of an asymmetric pocket of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
32 is an exemplary view showing an upper open embedding nut of a precast concrete panel using a buried nut according to the present invention and an asymmetric pocket;
FIG. 33 is an exemplary view showing a through-type buried nut of a precast concrete panel using a buried nut according to the present invention and an asymmetric pocket; FIG.
FIG. 34 is a view illustrating a state in which an H beam is installed on a top open buried nut of a precast concrete panel using a buried nut and asymmetrical pockets according to the present invention,
FIG. 35 is a view illustrating a state in which an H beam is installed on a through type buried nut of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
FIG. 36 is a process diagram showing a state in which an H beam is installed on a top open buried nut of a precast concrete panel using a buried nut and asymmetric pockets according to the present invention,
FIG. 37 is a process diagram showing a state in which an H beam is installed on a through type buried nut of a precast concrete panel using a buried nut and asymmetric pockets according to the present invention,
FIG. 38 is a front perspective view showing a state in which a lifting frame is installed on a buried nut of a precast concrete panel using a buried nut and asymmetrical pockets according to the present invention,
FIG. 39 is a rear perspective view showing a state in which a lifting frame is installed on an upper part of a buried nut of a precast concrete panel using a buried nut and asymmetrical pockets according to the present invention,
FIG. 40 is a plan view showing a state in which a lifting frame is installed on top of a buried nut of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention,
FIG. 41 is a process diagram showing a day-by-day installation work of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention.
FIG. 42 is a process diagram showing a two-day installation work process of a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention. FIG.
43 is a plan view showing a state in which a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention is installed.
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
6 to 13, the precast concrete panel P using the buried nuts and asymmetric pockets according to the present invention comprises a concrete panel 100 composed of at least two rectangular divided bodies having a predetermined thickness and width, ; A plurality of asymmetric pockets (200) cut out at predetermined intervals at a lower side of a side surface of the concrete panel (100) so as to have a predetermined shape; A grouting inlet 300 communicating with an asymmetric pocket 200 formed at the lower side of the side wall of the concrete panel 100 and injecting the grout material; A grouting outlet 310 communicating with the asymmetric pocket 200 through the upper portion of the concrete panel 100 while being spaced apart from the grouting inlet 300 by a predetermined distance and discharging the grout material injected through the grouting inlet 300, Wow; An upper open embedding nut 400a or a through type embedding nut 400b which is installed at a predetermined position on the inner side surface of the concrete panel 100 and is vertically buried so as to be opposed to each other in the transverse direction of the concrete panel 100, Wow; A mortar injection groove 500 connected to a side surface of the asymmetric pocket 200 and formed at an edge of the concrete panel 100; A through hole (700) formed through the concrete panel (100) between the asymmetric pockets (200) and having a predetermined diameter in the longitudinal direction; And a steel bar 800 or a steel wire 900 inserted into the through hole 700.
That is, the pre-cast concrete panel P using the buried nuts and the asymmetric pockets according to the present invention has the
Here, the
Particularly, since the
The surface of the
Then, the photocatalyst is applied on the upper surface of the
In particular, the photocatalyst was prepared by dissolving 0.57 mol / l TiO2 sol prepared from Ti [OCH (Cl3) 2] 4 and (CH3) 2 CHOH, 0.44 mol SiO2 sol prepared from C8H20O4Si and (CH3) / l and ZnO (sol) prepared from Zn (C2H3O2) 2, 0.50 mol / l of at least one metal ion selected from the group consisting of Ag, Zn and Cu, 40% of sol (sol), 9% of ZnO sol (sol) and 1% of at least one metal ion selected from Ag, Zn and Cu.
The photocatalyst has a function of decomposing / removing the contaminants attached to the concrete panel, NOx, SOx, odorous gas, etc. and sterilizing microorganisms by the photochemical reaction of the photocatalyst.
That is, the above-mentioned photocatalyst forms titanium dioxide (TiO2) ultrafine particles having excellent photocatalytic activity and supports at least one of metal ions of Ag, Zn, and Cu, thereby being excited in the valence band by irradiation of ultraviolet rays, The photochemical reaction is sufficient at a small amount of ultraviolet energy by suppressing the recombination of electrons in the electron hole in the earliest time in the valence band and maximizing the active point of the photochemical reaction. The deodorizing effect, the protective effect, and the sterilizing effect can be further exerted by the sterilization mechanism.
23, the
The reason why the
The reason why the
Particularly, the cross-sectional shape of the joining
Accordingly, as described above, a precast concrete panel P using a buried nut and an asymmetric pocket is manufactured and installed. A pre-cast concrete panel P using a buried nut and an asymmetric pocket, a pre- The
The
In this configuration, the connecting
Meanwhile, the
The
The
Here, the grout material is composed of a grout material at a very high speed, ultra low speed mortar, cement milk, cement mortar, self-healing mortar, resin mortar, chemical liquid, epoxy resin and the like.
The
The upper open embedding
The upper open embedding
That is, the upper
The through type buried nuts 400b are positioned below the precast concrete panels P using the buried nuts and the asymmetric pockets and are entirely penetrated from the upper surface to the lower surface of the concrete panel P. [
Therefore, by using the upper open embedding
That is, by using the upper open embedding
The mortar injection holes 500 are formed in the lower part of the edge of the precast concrete panel P using the buried nuts and the asymmetric pockets and the precast concrete panels P using the asymmetric pockets A certain portion is a cut-formed space.
The
The through holes 700 are formed in the longitudinal direction of the
The through hole 700 is a hole for inserting the
On the other hand, the
Here, the
Particularly, when the
A
The
Accordingly, when the grout material is charged through the
A
Here, it is noted that the
Hereinafter, the construction of the precast concrete panel P using the buried nuts and asymmetric pockets according to the present invention will be described.
FIG. 41 is a process view showing a day-by-day installation work of a precast concrete panel using a buried nut and asymmetric pockets according to the present invention, FIG. 43 is a view illustrating a process of installing a precast concrete panel using a buried nut and an asymmetric pocket according to the present invention. Fig.
As shown in these drawings, the precast concrete panel asymmetric pavement method using the buried nuts and the asymmetric pockets according to the present invention includes the steps of manufacturing a precast concrete panel P using the buried nuts and asymmetric pockets; Transporting the pre-cast concrete panel (P) using the manufactured buried nuts and asymmetric pockets to the vicinity of the installation site; Determining the size of the demolished portion of the concrete pavement O made of aged concrete panels; Cutting the old concrete pavement (O), which has been demolished, to a predetermined size using a wheel saw and removing it; A step of uniformly selecting and compacting the bottom surface of the removed groove (H) formed by cutting and demolishing the old concrete pavement (O); Installing a precast concrete panel (P) using the buried nuts and asymmetric pockets in the demolished grooves (H); Temporarily using a precast concrete panel using the installed buried nuts and asymmetric pockets; Lifting and moving the precast concrete panel (P) using the installed buried nuts and asymmetric pockets near the installation site; Installing a dowel bar (600) in a transverse direction and installing a tie bar (610) in a longitudinal direction on the old concrete pavement (O) placed on both sides of the demolished groove (H); (660) having a predetermined thickness on the bottom surface of the demolished groove (H); The pre-cast concrete panel P using the buried nuts and the asymmetric pockets carried near the installation place on the vinyl 660 is placed in the removed groove H with the asymmetric pocket 200 facing downward, Moving and installing a precast concrete panel (P) using the pre-cast concrete panel (P); Securing the flatness of the precast concrete panel P using the buried nuts and the asymmetric pockets installed in the demolished grooves H and adjusting the height of the precast concrete panels P using the buried nuts and the asymmetric pockets; The grout material is injected through the grouting injection port 300 of the precast concrete panel P using the buried nuts and the asymmetric pockets and the new grouting nuts and the asymmetric pockets are used while confirming that the grout material injected from the grouting outlets 310 flows out. Tightly grouting the precast concrete panel (P) and the old aged concrete pavement (O); The mortar M is injected at a constant height between the pre-cast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O to form a new pre-cast concrete panel P ) And the retained aged concrete pavement (O) with mortar; A
That is, the precast concrete panel asymmetric pavement method using the buried nuts and asymmetric pockets according to the present invention includes a step of manufacturing a precast concrete panel (P) using a buried nut and asymmetric pockets; Transportation stage; Demolition part determination step; Demolition phase; Compaction step; A step of installing the
Here, the step of manufacturing the precast concrete panel P using the buried nuts and the asymmetric pockets comprises: a concrete panel 100 comprising at least two rectangular divided bodies having a predetermined thickness and width; A plurality of asymmetric pockets (200) cut out at predetermined intervals at a lower side of a side surface of the concrete panel (100) so as to have a predetermined shape; A grouting inlet 300 communicating with an asymmetric pocket 200 formed at the lower side of the side wall of the concrete panel 100 and injecting the grout material; A grouting outlet 310 communicating with the asymmetric pocket 200 through the upper portion of the concrete panel 100 while being spaced apart from the grouting inlet 300 by a predetermined distance and discharging the grout material injected through the grouting inlet 300, Wow; An upper open embedding nut 400a or a through type embedding nut 400b which is installed at a predetermined position on the inner side surface of the concrete panel 100 and is vertically buried so as to be opposed to each other in the transverse direction of the concrete panel 100, Wow; A mortar injection groove 500 connected to a side surface of the asymmetric pocket 200 and formed at an edge of the concrete panel 100; A through hole (700) formed through the concrete panel (100) between the asymmetric pockets (200) and having a predetermined diameter in the longitudinal direction; The asymmetric pocket 200 has a cross sectional shape that is greater than the width of the upper portion 210 and the lower portion 220 and is greater than the width of the central portion 230 And a tie bar 610 is inserted in a longitudinal direction of the asymmetric pockets 200. The tie bars 610 are inserted in the longitudinal direction of the
Particularly, in the method of manufacturing a precast concrete panel using the buried nuts and asymmetric pockets, reinforcing bars are embedded in a form, and an upper open
At this time, the edges of the precast concrete panel P using the buried nuts and the asymmetric pockets, and the portion where the upper open embedding
The conveying step is a step of conveying the pre-cast concrete panel P using the buried nuts and asymmetric pockets manufactured in the factory to the vicinity of the installation site. The conveying step is a step of conveying the pre-cast concrete panel P using the buried nuts and the asymmetric pockets A
If necessary, the
Next, the step of determining the demolished part determines the demolished portion of the concrete pavement O made of the aged concrete panel, but does not partially determine the old aged concrete pavement O, ) To the concrete pavement (O) adjacent to the concrete pavement.
Then, the old concrete pavement demolition phase is cut and demolished by using the wheel saw with 4 pavement units from the old concrete pavement determined in the demolition part decision stage.
Next, in the compaction step, the aged concrete pavement O is cut and demolished, and the bottom surface of the removed formed recessed groove H is uniformly picked up by the rollers, and is compacted to a constant strength.
The
In other words, a
After the
Next, in the step of installing the
Then, the pre-cast concrete panel (P) is moved and installed using the buried nuts and the asymmetric pockets. The pre-cast concrete panel (P) using the buried nuts and asymmetric pockets A
If necessary, the
Next, in the height adjusting step, the flatness of the pre-cast concrete panel P using the buried nuts and the asymmetric pockets installed in the removed groove H is secured, and the height of the precast concrete panel P using the buried nuts and the asymmetric pockets A H-
Next, in the grout filling step, the height of the pre-cast concrete panel P using the buried nuts and asymmetric pockets which are seated in the removed grooves H is adjusted to ensure flatness, and then the pre-cast concrete using the buried nuts and the asymmetric pockets The grout material is injected through the
Next, the joint setting step is performed between the pre-cast concrete panel (P) and the pre-existing concrete pavement (O) using the new buried nuts and asymmetric pockets or between the pre-cast concrete panel (P) 670, and a
FIG. 42 is a process diagram showing a two day installation process of the precast concrete panel using the buried nuts and the asymmetric pockets according to the present invention. FIG. 43 is a view illustrating a process of installing the precast concrete panel using the buried nuts according to the present invention and the asymmetric pockets. And Fig.
As shown in these drawings, the precast concrete panel asymmetric pavement method using the buried nuts and the asymmetric pockets according to the present invention includes the steps of manufacturing a precast concrete panel P using the buried nuts and asymmetric pockets; Transporting the pre-cast concrete panel (P) using the manufactured buried nuts and asymmetric pockets to the vicinity of the installation site; Determining the size of the demolished portion of the concrete pavement O made of aged concrete panels; Cutting the old concrete pavement (O), which has been demolished, to a predetermined size using a wheel saw and removing it; A step of uniformly selecting and compacting the bottom surface of the removed groove (H) formed by cutting and demolishing the old concrete pavement (O); Installing a precast concrete panel (P) using the buried nuts and asymmetric pockets in the demolished grooves (H); Temporarily using a precast concrete panel using the installed buried nuts and asymmetric pockets; Lifting and moving the precast concrete panel (P) using the installed buried nuts and asymmetric pockets near the installation site; Installing a dowel bar (600) in a transverse direction and installing a tie bar (610) in a longitudinal direction on the old concrete pavement (O) placed on both sides of the demolished groove (H); (660) having a predetermined thickness on the bottom surface of the demolished groove (H); The pre-cast concrete panel P using the buried nuts and the asymmetric pockets carried near the installation place on the vinyl 660 is placed in the removed groove H with the asymmetric pocket 200 facing downward, Moving and installing a precast concrete panel (P) using the pre-cast concrete panel (P); Securing the flatness of the precast concrete panel P using the buried nuts and the asymmetric pockets installed in the demolished grooves H and adjusting the height of the precast concrete panels P using the buried nuts and the asymmetric pockets; The grout material is injected through the grouting injection port 300 of the precast concrete panel P using the buried nuts and the asymmetric pockets and the new grouting nuts and the asymmetric pockets are used while confirming that the grout material injected from the grouting outlets 310 flows out. Tightly grouting the precast concrete panel (P) and the old aged concrete pavement (O); The mortar M is injected at a constant height between the pre-cast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O to form a new pre-cast concrete panel P ) And the retained aged concrete pavement (O) with mortar; A
That is, the precast concrete panel asymmetric pavement method using the buried nuts and the asymmetric pockets according to the present invention can be used for manufacturing the precast concrete panel (P) using the buried nuts and asymmetric pockets, A pre-cast concrete panel (P) installation step, a temporary use step, a lifting and moving step, a step of installing the
Here, the step of manufacturing the precast concrete panel P using the buried nuts and the asymmetric pockets comprises: a concrete panel 100 comprising at least two rectangular divided bodies having a predetermined thickness and width; A plurality of asymmetric pockets (200) cut out at predetermined intervals at a lower side of a side surface of the concrete panel (100) so as to have a predetermined shape; A grouting inlet 300 communicating with an asymmetric pocket 200 formed at the lower side of the side wall of the concrete panel 100 and injecting the grout material; A grouting outlet 310 communicating with the asymmetric pocket 200 through the upper portion of the concrete panel 100 while being spaced apart from the grouting inlet 300 by a predetermined distance and discharging the grout material injected through the grouting inlet 300, Wow; An upper open embedding nut 400a or a through type embedding nut 400b which is installed at a predetermined position on the inner side surface of the concrete panel 100 and is vertically buried so as to be opposed to each other in the transverse direction of the concrete panel 100, Wow; A mortar injection groove 500 connected to a side surface of the asymmetric pocket 200 and formed at an edge of the concrete panel 100; A through hole (700) formed through the concrete panel (100) between the asymmetric pockets (200) and having a predetermined diameter in the longitudinal direction; The method of manufacturing a precast concrete panel P using a buried nut composed of a steel bar 800 or a steel wire 900 inserted into the through hole 700 and asymmetric pockets.
Particularly, in the method of manufacturing the precast concrete panel P using the buried nuts and the asymmetric pockets, the reinforcing bars are placed in the formwork, and the upper open type buried nuts 400a or the through type buried nuts 400b are installed, It is manufactured by pouring concrete and curing.
At this time, the edge of the precast concrete panel P using the upper open embedding
The conveying step is a step of conveying the pre-cast concrete panel P using the buried nuts and asymmetric pockets manufactured in the factory to the vicinity of the installation site. The conveying step is a step of conveying the pre-cast concrete panel P using the buried nuts and the asymmetric pockets A
If necessary, the
Next, the step of determining the demolished part determines the demolished portion of the concrete pavement O made of the aged concrete panel, but does not partially determine the old aged concrete pavement O, ) To the concrete pavement (O) adjacent to the concrete pavement.
Then, the old concrete pavement (O) is demolished and removed by using a set of four pavement units from the old concrete pavement (O) determined at the demolition part decision stage.
Next, in the compaction step, the aged concrete pavement O is cut and demolished, and the bottom surface of the removed formed recessed groove H is uniformly picked up by the rollers, and is compacted to a constant strength.
Next, the pre-cast concrete panel (P) installation step using the buried nuts and the asymmetric pockets can be performed in a case where it is difficult to carry out the construction of the precast concrete panel (P) using the buried nuts and asymmetric pockets in the new concrete pavement, If it is necessary to open the concrete pavement (O), pre-cast concrete panels (P) with buried nuts and asymmetric pockets are temporarily installed in the removed grooves (H).
Then, in the temporary use step, the pre-cast concrete panel (P) using the installed buried nuts and asymmetric pockets is temporarily used to smooth the road traffic.
The
That is, a
After the
Next, in the step of installing the
Then, the pre-cast concrete panel (P) is moved and installed using the buried nuts and the asymmetric pockets. The pre-cast concrete panel (P) using the buried nuts and asymmetric pockets A
If necessary, the
Next, in the height adjusting step, the flatness of the pre-cast concrete panel P using the buried nuts and the asymmetric pockets installed in the removed groove H is secured, and the height of the precast concrete panel P using the buried nuts and the asymmetric pockets A H-
Next, in the grout filling step, the height of the pre-cast concrete panel P using the buried nuts and asymmetric pockets which are seated in the removed grooves H is adjusted to ensure flatness, and then the pre-cast concrete using the buried nuts and the asymmetric pockets The grout material is injected through the
Next, the joint setting step is performed between the pre-cast concrete panel (P) and the pre-existing concrete pavement (O) using the new buried nuts and asymmetric pockets or between the pre-cast concrete panel (P) 670, and a
As described above, the precast concrete panel paving method using the buried nuts and the asymmetric pockets according to the present invention uses the old concrete pavement as a support to repair the old pavement concrete pavement, and the precast concrete panel of the present invention is installed However, in the case of a new concrete concrete pavement instead of a old concrete pavement, it is found out that a precast concrete panel of the present invention can be installed by providing a separate support to the ground.
Although the present invention has been described in the context of old concrete pavement for convenience, the present invention is not limited to this, but is applicable to new precast concrete pavement. Therefore, the present invention is not limited to any one of old concrete pavement and new concrete pavement. .
The preferred embodiments described in the specification of the present invention are intended to be illustrative, not limiting, and the scope of the present invention is indicated by the appended claims, and all modifications that come within the meaning of the claims are included in the present invention. .
100: Concrete panel 200: Asymmetric pocket
210: upper part 220: lower part
230: central portion 250:
260: Taper 300: Grouting inlet
310:
400b: Through-hole type embedding nut 410: Nut
420: Support part 500: Mortar injection groove
600: Dawelba 610: Taiba
620: Pad 630: H beam
640: long bolt 650: lifting frame
652: frame 654: vertical plate
656: transverse plate 658: lifting ring
660: vinyl 670: backup material
680: sealing material 690: joint
700: Through hole 800: Steel bar
810: tube 820: nut
830: grouting injection pipe 900: steel wire
910: Fixing hole H: Demolition groove
O: old concrete pavement
P: precast concrete panel using buried nuts and asymmetric pockets
Claims (17)
A pad 620 is installed on the upper open embedding nut 400a or the penetration type embedding nut 400b of the precast concrete panel P using the manufactured buried nuts and asymmetric pockets, H beams 630 are installed and the elongated bolts 640 are fixedly installed through the H beam 630 and the upper open embedding nut 400a or the penetration type embedding nut 400b, 630 of a crane and a precast concrete panel P using an asymmetric pocket and a buried nut having an H beam 630 mounted thereon using the crane, The pre-cast concrete panel P using the buried nuts and the asymmetric pockets mounted on the vehicle is disposed in the reverse order to the vehicle, and the pre-cast concrete panels P ) To the place near the installation site .; Determine the demolished part of the concrete pavement (O) composed of aged concrete panels, but do not partially determine the old aged concrete pavement (O) which is partially obsolete and scattered, Determining the size of the demolished portion of the concrete pavement O made of the aged concrete panel with four pavement units up to (O); Separating the four pack units from the old concrete pavement determined in the demolishing part determination step to a predetermined size using a wheel saw and demolishing the same; Cutting and removing the old concrete pavement (O) to uniformly obtain a bottom surface of the removed raised grooves (H) by using a roller and compaction with uniform strength;
Installing a precast concrete panel (P) using the buried nuts and asymmetric pockets in the demolished grooves (H);
Temporarily using a pre-cast concrete panel (P) using the installed buried nuts and asymmetric pockets;
Lifting and moving the precast concrete panel (P) using the installed buried nuts and asymmetric pockets near the installation site; Installing a dowel bar (600) in a transverse direction and installing a tie bar (610) in a longitudinal direction on the old concrete pavement (O) placed on both sides of the demolished groove (H); (660) having a predetermined thickness on the bottom surface of the demolished groove (H); The pre-cast concrete panel P using the buried nuts and the asymmetric pockets carried near the installation place on the vinyl 660 is inserted into the upper open embedding nut 400a of the precast concrete panel P using the buried nuts and the asymmetric pockets, The H beam 630 is installed on the pad 620 and the H beam 630 and the upper open embedding nut 400a or the through hole type buried nuts 400b, Type buried nuts 400b so as to fix the long bolt 640. The H beam 630 is connected to the H beam 630 by a crane wire 659, The precast concrete panel P using the buried nuts and the asymmetric pockets is moved in the demolding grooves H with the asymmetric pockets 200 facing downward to move the precast concrete panel P using the buried nuts and asymmetric pockets And an installation step; It is possible to secure the flatness of the precast concrete panel P using the embedding nut and the asymmetric pocket seated on the demolished groove H by using the H beam and to improve the flatness of the precast concrete panel P using the embedding nut and the asymmetric pockets Adjusting a height; The grouting material injected through the grouting injection port 300 of the precast concrete panel P using the asymmetric pockets and the buried nuts placed in the demolished grooves is checked to see whether the grouting material injected from the grouting outlets 310 flows out, Grout filling the pre-cast concrete panel (P) using the asymmetric pockets and the old aged concrete pavement (O); The mortar M is injected at a constant height between the pre-cast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O to form a new pre-cast concrete panel P ) And the retained aged concrete pavement (O) with mortar; A backup material 670 is installed between the precast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O and a sealing material 680 is installed on the backup material 670 And installing a joint 690 to the pre-cast concrete panel packing method.
Separating the four pack units from the old concrete pavement determined in the demolishing part determination step to a predetermined size using a wheel saw and demolishing the same; Cutting and removing the old concrete pavement (O) to uniformly obtain a bottom surface of the removed raised grooves (H) by using a roller and compaction with uniform strength; Installing a precast concrete panel (P) using the buried nuts and asymmetric pockets in the demolished grooves (H); Temporarily using a pre-cast concrete panel (P) using the installed buried nuts and asymmetric pockets; Lifting and moving the precast concrete panel (P) using the installed buried nuts and asymmetric pockets near the installation site; Installing a dowel bar (600) in a transverse direction and installing a tie bar (610) in a longitudinal direction on the old concrete pavement (O) placed on both sides of the demolished groove (H); (660) having a predetermined thickness on the bottom surface of the demolished groove (H); The pre-cast concrete panel P using the buried nuts and the asymmetric pockets carried near the installation place on the vinyl 660 is inserted into the upper open embedding nut 400a of the precast concrete panel P using the buried nuts and the asymmetric pockets, The lifting frame 650 is disposed on the top surface of the through hole type buried nuts 400b and the long bolt 640 is passed through the space between the lifting frame 650 and the top open buried nuts 400a or the through type buried nuts 400b, A wire 659 of a crane is connected to a lifting hook 658 of the lifting frame 650 and then the crane is moved so that a buried nut attached to the lifting frame 650 and a free Moving and installing the precast concrete panel P using the buried nuts and asymmetric pockets in the removed grooves H with the asymmetric pockets 200 facing downward; It is possible to secure the flatness of the precast concrete panel P using the embedding nut and the asymmetric pocket seated on the demolished groove H by using the H beam and to improve the flatness of the precast concrete panel P using the embedding nut and the asymmetric pockets Adjusting a height; The grouting material injected through the grouting injection port 300 of the precast concrete panel P using the asymmetric pockets and the buried nuts placed in the demolished grooves is checked to see whether the grouting material injected from the grouting outlets 310 flows out, Grout filling the pre-cast concrete panel (P) using the asymmetric pockets and the old aged concrete pavement (O); The mortar M is injected at a constant height between the pre-cast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O to form a new pre-cast concrete panel P ) And the retained aged concrete pavement (O) with mortar; A backup material 670 is installed between the precast concrete panel P using the new buried nuts and the asymmetric pockets and the old aged concrete pavement O and a sealing material 680 is installed on the backup material 670 And installing a joint 690 to the pre-cast concrete panel packing method.
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