KR20200015013A - Pavement layer and its construction method used for large car lane - Google Patents

Abstract

The present invention relates to a pavement layer for a large vehicle-only road and a construction method thereof. The pavement layer for a large vehicle-only road includes: a hard pavement part comprising first and second precast concrete pavement panels spaced from each other at a predetermined distance on positions corresponding to left and right wheels of a large vehicle and supporting loads applied from the left and right wheels of the vehicle, respectively; and a soft pavement part formed by filling a space between the first and second precast concrete pavement panels with a filling material. Therefore, a precast concrete pavement panel is not installed on a front side of a pavement layer of a large vehicle-only road, and is installed on a wheel pass section receiving repetitive loads from wheels of a vehicle, and then, the rest is soft-paved to form a pavement layer, thereby improving constructability and economic feasibility.

Description

Pavement layer and its construction method used for large car lane}

The present invention relates to a pavement layer for a large vehicle lane and a construction method thereof, and more particularly, in a dedicated lane of a large vehicle including a bus, a passenger seater of at least 9 seats, a van, and the like. Pavement layer for large vehicle lanes that can improve the workability and economic efficiency by wrapping the wheel pass section, which is the section where the wheel load of large vehicles repeatedly acts on the lane road, with the rigid precast concrete paving panel, and the remaining sections with the flexible packaging And it relates to a construction method thereof.

Road pavement, which forms the pavement layer of the lane, can be divided into flexible pavement, asphalt type, and rigid pavement, concrete type, depending on the surface pavement method.

As a typical construction method of the flexible packaging is asphalt (ascon) pavement.

Asphalt pavement has a problem in that breakage such as plastic deformation and fatigue cracking is likely to occur due to reasons such as high temperature in summer, increase in vehicle traffic volume, and occurrence of habitual congestion sections.

Cement concrete pavement is an example of the rigid construction method.

Since cement concrete pavement is a rigid pavement, it can solve a large part of the disadvantages of asphalt concrete pavement.However, in case of site casting, it requires a curing time for a long time after pouring, and it is difficult to maintain and expensive. And so on.

As a solution for solving the problems of the conventional packaging method, a precast packaging method that is manufactured in advance in the form of a panel in the factory as a construction method of the rigid packaging is constructed in the spotlight.

In this regard, the prior art of the precast pavement is the Republic of Korea Patent Publication No. 10-1021475, "Prefabricated concrete road using the precast concrete panel and its construction method" (hereinafter referred to as the prior art).

However, in the case of the existing pavement layer including the prior art, by installing the precast concrete panel on the front of the pavement layer of the lane, the construction and economic efficiency is lowered by increasing the weight and construction area of the concrete panel.

This is because in the case of large vehicles, some sections of the precast concrete panels are repeatedly passed due to the size of the lane and the vehicle, and thus, the precast concrete panels are repeated for the wheel pass section, which is a section in which the wheels of the large vehicles pass. The parts are intensively damaged under load, but according to the prior art, only a part of the damaged sections cannot be repaired, and the precast concrete panels installed on the front of the road must be replaced.

The present invention has been invented to solve the above problems, an object of the present invention is to rigidly pack only the wheel path section subjected to repeated loads due to the passage of a large vehicle in the pavement layer of a large vehicle only lane and the remaining sections to the field conditions According to the present invention, the present invention provides a pavement layer for a large vehicle lane and a construction method thereof that can be flexibly packaged to improve construction and economics.

In order to achieve the above object, the pavement layer for a large vehicle lane of the present invention is spaced apart from each other by a predetermined distance at a position corresponding to the left and right wheels of a large vehicle, respectively supporting loads transferred from the left and right wheels of the large vehicle. Rigid packaging portion consisting of the first, second precast concrete pavement panel; And a flexible packaging part formed by filling a filler between the first precast concrete pavement panel and the second precast concrete pavement panel.

At least one end is connected to the first precast concrete pavement panel, and the other end is connected to the second precast concrete pavement panel, thereby connecting at least one of the first precast concrete pavement panel and the second precast concrete pavement panel. It characterized in that it comprises a transverse fastener.

Binding the first precast concrete pavement panels serially arranged along the running direction of the large vehicle, and each second precast concrete pavement panel arranged serially along the running direction of the large vehicle It characterized in that it comprises a longitudinal binding material to bind them.

The longitudinal binding member is provided with a U-shaped bolt and a dowel bar, and the U-shaped bolt is disposed at left and right ends of the front side or the rear side of the first precast concrete pavement panel or the second precast concrete pavement panel. The well bar is characterized in that it is disposed between the U-shaped bolts.

A tension member that binds each of the first precast concrete pavement panels serially arranged along the running direction of the large vehicle and applies tension to the first precast concrete pavement panels. And a member.

A first step of arranging the first precast concrete pavement panel and the second precast concrete pavement panel at a position corresponding to left and right wheels of a large vehicle at a predetermined distance from each other to form a rigid pavement part; And a second step of filling the filler between the precast concrete pavement panel and the second precast concrete pavement panel to form a flexible pavement part.

The first precast concrete pavement panel and the second precast concrete pavement panel are removed by removing portions of the pavement layer of the existing vehicle-only lane into which the first precast concrete pavement panel and the second precast concrete pavement panel are inserted. A first step of forming a space to be inserted, a second step of inserting the first precast concrete pavement panel and the second precast concrete pavement panel into the space to form a rigid pavement, and the first precast concrete pavement And a third step of filling the gap between the panel and the second precast concrete pavement panel and the pavement layer of the existing large vehicle-only lane with filler.

The left and right wheels of a large vehicle are formed integrally with the first and second running parts and the first and second running parts spaced apart from each other by a predetermined distance, and the upper and lower parts are opened between the first and second running parts. Precast concrete pavement panel made of a block-out form by at least one connecting portion to form a flexible packaging space; And a flexible packaging part formed by filling a filling material in the flexible packaging space of the precast concrete pavement panel, wherein the rigid packaging part including the first driving part and the second driving part is transferred from the left and right wheels of the large vehicle. Characterized in that it supports.

The precast concrete pavement panel is connected to the lower portion of the first and second running portion further comprises a bottom portion for closing the lower portion of the flexible packaging space.

The bottom portion of the precast concrete pavement panel is characterized in that a plurality of drainage holes penetrating up and down.

A first step of arranging the precast concrete pavement panel such that the rigid pavement panel is positioned at a position corresponding to the left and right wheels of the large vehicle, and filling the filler in the flexible pavement space of the precast concrete pavement panel to form a flexible pavement part It characterized in that it comprises a second step.

The first step of forming a space in which the precast concrete pavement panel is to be inserted, by removing the portion of the paving layer of the existing large vehicle only lane to be inserted, the precast concrete pavement panel to the space And a third step of filling the gap between the precast concrete pavement panel and the pavement layer of the existing large vehicle-only lane with filler.

According to the present invention has the following effects.

First, instead of constructing rigid pavement using precast concrete pavement panels over the entire section of the pavement layer of a large vehicle-only lane, precast concrete pavement panels are installed in the wheel pass section that receives repeated loads from large vehicles, and the rest Since flexible packaging (asphalt, etc.) to form a packaging layer, it is possible to improve the workability and economic efficiency. Therefore, it is effective to maintain the pavement layer for a long time by securing rigidity against the repeated load of large vehicles, and it is effective to reduce the cost because only the wheel pass section is constructed than when the entire vehicle is rigidly packed. Is derived both when the paving layer of a large vehicle lane is newly established and when the paving layer of an existing large vehicle lane is repaired.

1 shows a first embodiment of a pavement layer for a large vehicle lane according to the present invention.
Figure 2 shows a first precast concrete pavement panel of the first embodiment of the pavement layer for a large vehicle lane according to the present invention.
Figure 3 shows a first embodiment of a pavement layer for a large vehicle lane according to the present invention.
Figure 4 shows a first embodiment of a pavement layer for a large vehicle lane according to the present invention.
Figure 5 shows the rigid packaging portion and the transverse direction of the first embodiment of the pavement layer for a large vehicle lane according to the present invention.
Figure 6 shows a first embodiment of a pavement layer for a large vehicle lane according to the invention.
7 shows a first embodiment of a pavement layer for a large vehicle lane according to the present invention.
Figure 8 shows the rigid packaging portion and the transverse direction of the first embodiment of the pavement layer for a large vehicle lane according to the present invention.
9 shows a first embodiment of a pavement layer for a large vehicle lane according to the present invention.
10 shows a precast concrete pavement panel according to a second embodiment of the pavement layer for a large vehicle lane according to the present invention.
11 shows a second embodiment of a pavement layer for a large vehicle lane according to the present invention.
12 shows a second embodiment of a pavement layer for a large vehicle lane according to the present invention.
Figure 13 shows a second embodiment of a pavement layer for a large vehicle lane according to the present invention.
Figure 14 shows a second embodiment of a pavement layer for a large vehicle lane according to the present invention.
Figure 15 shows a precast concrete pavement panel according to a second embodiment of the pavement layer for a large vehicle lane according to the present invention.
16 shows a second embodiment of a pavement layer for a large vehicle lane according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, but the well-known technical parts will be omitted or compressed for brevity of description.

First, briefly describing the present invention, the pavement layer 10 for a large vehicle lane according to the present invention is used for a large vehicle lane such as a bus lane or a truck lane.

Here, the large vehicle includes a bus, a nine-seater van or a van.

In the case of a small vehicle driving lane, since the vehicle is free to move left and right within one lane and frequent lane changes are possible, repeated loads are applied to the entire pavement layer.

However, in the case of large vehicle-only lanes, only large vehicles such as buses, vans and vans can be operated. In this case, since the vehicle is large in width, it can hardly be moved left and right within one lane. Some sections are repeatedly passed on the layer 10. Therefore, some sections in which the wheels of the large vehicle travel are subjected to repeated loads, and the corresponding portions are intensively damaged, and the present invention is used in a large vehicle lane because of this phenomenon.

The pavement layer 10 for a large vehicle-only lane according to the present invention arranges the precast concrete pavement panels 110, 120, and 600 only in some sections in which the load of the large vehicle 30 is repeatedly applied, and the remaining space is flexible. Packaging (asphalt packaging) can improve the workability, and can reduce the construction cost.

<First Embodiment>

1 to 9, the pavement layer 10 for a large vehicle-only lane according to the first embodiment of the present invention includes a first precast concrete pavement panel 110 and a second precast concrete pavement panel ( The rigid packaging unit 100 and the flexible packaging unit 300 consisting of 120 (in the present invention, the flexible packaging unit includes a rigid concrete packaging or concrete packaging and precast concrete pavement panel packaging).

Here, the rigid packaging part 100 is a wheel path section through which the wheel 31 of the large vehicle 30 repeatedly passes.

Referring to FIG. 1, the first precast concrete pavement panel 110 is a portion in which the right wheel 31a of the large vehicle 30 travels, and the second precast concrete pavement panel 120 is a large vehicle ( The left wheel 31b of 30 travels.

Referring to Figure 1, the first precast concrete pavement panel 110 is installed on one side of the upper surface of the base layer 20 of the large vehicle-only lane.

2 to 4, the first precast concrete pavement panel 110 is provided in a plate shape and has a grouting hole 110p and an overit hole 110q penetrating from an upper surface to a lower surface thereof. It is arranged on one side of a large vehicle lane.

Referring to Figure 1, the second precast concrete pavement panel 120 is installed on the other side of the upper surface of the base layer 20 of the large vehicle-only lane.

The second precast concrete pavement panel 120 is provided in the same plate shape as the first precast concrete pavement panel, and the grouting hole 120p and the overit hole 120q penetrating from the upper surface to the lower surface are formed. It is arranged on the other side of the large vehicle-only lane.

The first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 form a passageway through which the large vehicle 30 passes, and support the load of the large vehicle 30 that passes.

In addition, a sealing material (not shown) formed of a sponge material is bonded to the edges of the lower surfaces of the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120.

The grouting hole 110p and the overnight hole 110q formed in the first precast concrete pavement panel 110 are mounted on the upper surface of the base layer 20 after the first precast concrete pavement panel 110 is placed thereon. It is used to fix the concrete pavement panel 110 to the base layer (20).

More specifically, the grout material is injected through the grouting hole 110p to fill the grout material in the space between the base layer 20 and the first precast concrete pavement panel 110 and the sealing material (not shown). By checking that the grout material flows through the trough 110q, it is confirmed that the filling of the grout material is completed in the space between the base layer 20 and the first precast concrete pavement panel 110 and the sealing material (not shown).

Therefore, while the grout material filled in the space between the base layer 20 and the first precast concrete pavement panel 110 and the sealing material (not shown) is solidified, the first precast concrete pavement panel 110 is the base layer 20. It is fixed to).

In addition, a lifting ring (not shown) is installed in the grouting hole 110p and the overit hole 110q formed in the first precast concrete pavement panel 110 to be used to lift the first precast concrete pavement panel 110. Can be.

The grouting hole 120p and the overit hole 120q formed in the second precast concrete pavement panel 120 are the same as the grouting hole 110p and the overit hole 110q formed in the first precast concrete pavement panel 110. After the second precast concrete pavement panel 120 is seated on the upper surface of the base layer 20, it is used to fix the second precast concrete pavement panel 120 to the base layer 20.

Referring to FIGS. 2 to 4, the pavement layer 10 for a large vehicle lane according to the present invention includes longitudinal fasteners 500 and 500 ′.

The longitudinal long binding members 500 and 500 ′ bind the first precast concrete pavement panels 110 arranged in series along the driving direction of the large vehicle 30, and the driving direction of the large vehicle 30. The second precast concrete pavement panels 120 are arranged in series along the binding, and may be provided in at least two.

In more detail, the longitudinal fasteners 500 and 500 'according to the present invention are provided with a dowel bar 500 and a U-shaped bolt 500'.

In addition, in Figures 2 and 4, each of the U-shaped bolt 500 'and the dowel bar 500 are shown on the front or rear of the first precast concrete pavement panel 110, but the actual construction Directional binding member (500, 500 ') may be arranged in plurality, the U-shaped bolt (500') is disposed on the left and right ends of the front or rear of the first precast concrete pavement panel 110, dowel bar (500) ) May be disposed between the U-shaped bolts 500 '.

Dowel bar 500 is provided in the form of a straight bar.

The dowel bar insertion holes 110h and 120h may be inserted into the rear parts of the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120. The front and bottom surfaces of the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 may be opened by inserting the other side of the dowel bar 500. The well bar insertion grooves 110i and 120i are formed, and the filler injection holes 110j and 120j are formed inside the dowel bar insertion grooves 110i and 120i.

In summary, the dowel bar 500 has one side part inserted into and fixed to the dowel bar insertion hole 110h formed at the rear part of the first precast concrete pavement panel 110, and then the first precast part having the other side connected in parallel. It is inserted into the dowel bar insertion groove (110i) formed in the front portion of the concrete pavement panel 110 is disposed in the dowel bar insertion groove (110i), the filling material (G) is injected through the filling material injection hole (110j), 1 precast concrete pavement panels 110 can be bound.

Here, the filling material (G) may be used such as cemented carbide cement, Portland cement, expanded concrete, epoxy, non-shrink mortar.

The U-shaped bolt 500 'is provided with a U-bolt 500' having threads 510 'formed at both ends thereof.

In addition, in the front and rear portions of the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120, the U-shaped bolt insertion holes 110h 'and 120h' into which the U-shaped bolt 500 'is inserted. ) Is formed.

In summary, the citron bolt 500 'is inserted into the citron bolt insertion hole 110h' of the first precast concrete pavement panel 110 and fixed through the nut 520 '. The first precast concrete pavement panel 110 may be coupled to the first precast concrete pavement panel 110 by being inserted into and fixed through the nut 520 ′. Can be.

Here, the longitudinal binding members 500 and 500 'bind each first precast concrete pavement panel 110 to each other or each second precast concrete pavement panel 120 to be connected to unite a plurality of ones. Synthesis is very effective in preventing inequality.

In addition, the distance e between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 may be defined by the rounding d (right wheel 31a and left wheel) of the large vehicle 30. Distance between the centerline of the two left and right wheels 31a, 31b at the point where 31b) touches the ground, or from the midpoint of the two wheels on one side: the distance between the front wheels or the distance between the rear wheels) It is provided shorter, so as to allow the large vehicle 30 passing through the passageway to pass on the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120.

In addition, the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 functions to guide the running direction of the large vehicle 30, so that the wheel 31 of the large vehicle 30 is removed. It is also possible to prevent the flexible packing part 300 from being damaged by not running the flexible packing part 300 between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120.

The flexible packing part 300 is formed by filling a filler material between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120, and the first precast concrete pavement panel 110 and the second free. Fill the empty space between the cast concrete pavement panel 120.

In more detail, the flexible packaging unit 300 allows the upper surface of the first precast concrete pavement panel 110 and the upper surface of the second precast concrete pavement panel 120 to be flat, so that the large vehicle 30 is Empty space between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120, even if the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 Do not be impacted by

In addition, the filling material forming the flexible packaging portion 300 may be provided with a sidewalk block or asphalt used for flexible packaging, the filling material forming the flexible packaging portion 300 is provided with soil, grass, etc. The packaging part 300 may be formed of greenery.

Referring to FIG. 3, the pavement layer 10 for a large vehicle-only lane according to the present invention includes a first precast concrete pavement panel 110 in a section Pc through which the wheels 31 of the large vehicle 30 pass. ) And the second precast concrete pavement panel 120, the wheel path section Pc through which the wheels of the large vehicle 30 pass is made a precast concrete pavement section Pc, and the rest of the section By filling in, the flexible paving section Fp is used to support the load of the large vehicle 30 in the precast concrete paving section Pc, thereby precast concrete paving panel in front of the paving layer of the large vehicle-only lane as in the prior art. Although it has the same durability as that of the installation, the precast concrete pavement panels 110 and 120 are installed on a part of the pavement layer front of a large vehicle-only lane, and the construction property is improved, and the construction cost is reduced. have.

In addition, during the repair operation of the pavement layer 10 for a large vehicle-only lane, a load of the large vehicle 30 is applied to replace only a part of the precast concrete pavement panels 110 and 120 that are damaged and thus easy to repair. Can be done.

5 to 9, the pavement layer 10 for a large vehicle-only lane according to the present invention has one end connected to the first precast concrete pavement panel 110, and a second precast concrete pavement panel ( The other end is connected to the 120, and includes one or more transverse fasteners 400 connecting the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120.

In addition, the first precast concrete pavement panel 110 is formed with one or more first insertion grooves 110s having a lower side open on a surface facing the second precast concrete pavement panel 120, and the second precast concrete The pavement panel 120 has at least one second insertion groove 120s having a lower side formed on a surface facing the first precast concrete pavement panel 110, and the transverse long-connection member 400 has a first insertion groove. Inserted into the 110s and the second insertion groove (120s) to fix the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120, the first precast concrete pavement panel 110 and The second precast concrete pavement panel 120 is prevented from moving.

In addition, the transverse fastener 400 may be inserted into the first insertion groove 110s after the first precast concrete pavement panel 110 is installed in the base layer 20.

8 to 9, the first precast concrete pavement panel 110 is formed with a third insertion groove 110t having an upper side opened on a surface facing the second precast concrete pavement panel 120. The second precast concrete pavement panel 120 is formed with a fourth insertion groove 120t having an upper side open on a surface facing the first precast concrete pavement panel 110, and thus has a transverse fastener 400. Is inserted into the third insertion groove (110t) and the fourth insertion groove (120t) to fix the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120, the first precast concrete pavement The panel 110 and the second precast concrete pavement panel 120 is prevented from moving.

In addition, after the transverse long-connection member 400 is inserted into the third insertion groove 110t and the fourth insertion groove 120t, asphalt is disposed in the remaining spaces of the third insertion groove 110t and the fourth insertion groove 120t. 300 can be filled.

In addition, the pavement layer 10 for a large vehicle-only lane according to the present invention is each of the first precast concrete pavement panel 110 or the second pre-ordered arranged serially along the running direction of the large vehicle 30 The tension member 700 that binds the cast concrete pavement panel 120 and exerts a tensile stress, and restrains the tension material 700 to restrain the first precast concrete pavement panel 110 or the second precast concrete pavement panel 120. The member 800 may further include.

In addition, a work groove 110w for installing the tension member 700 is formed at the center of the upper surface of the first precast concrete paving panel 110, and a work groove at the front center of the first precast concrete paving panel 110. The tension member insertion hole 110v penetrating through 110w and penetrating the center of the rear surface is formed.

In addition, the second precast concrete pavement panel 120 may also have a working groove 120w and a tension member insertion hole 120v, which are the working groove 110w and the tension material of the first precast concrete pavement panel 110. Since the same as the insertion hole 110v, a detailed description thereof will be omitted.

Here, the tension member 700 is provided with a prestressing steel wire, a steel bar or a stranded wire, or the like used alone or in several bundles.

In addition, the tension member 700 is inserted into the work groove 110w formed at the center of the upper surface of the first precast concrete pavement panel 110 and is connected to the first precast concrete pavement panel 110 through the tension material insertion hole 110v. Is discharged through the working groove (110w).

In addition, the tension member 700 is fixed to the working groove through the restraining member 800 in a tensioned state to apply a tensile stress to the first precast concrete pavement panel 110.

Here, the restraining member 800 is fixed to the end of the tension member 700 in the first precast concrete pavement panel 110 to transfer the tensile stress of the tension material 700 to the first precast concrete pavement panel 110. It can be provided as a anchorage.

Therefore, the tensile stress of the tension member 700 is acted between the first precast concrete pavement panel 110, so that the tensile strength of the first precast concrete pavement panel 110 is improved, the first precast concrete pavement panel Flexural strength and deflection performance of the 110 can be improved.

And, the working groove (110w, 120w) may be filled with a plug (not shown), or may be filled through the filling material (G).

The construction method at the time of constructing the pavement layer 10 for a large vehicle lane according to the present invention will be described.

First, the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 are arranged at positions corresponding to the left and right wheels 31b and 31a of the large vehicle 30 at a predetermined distance from each other. By performing the first step (S100) to form a rigid packaging unit 100.

Then, a second step (S200) of filling the filling material in the space between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 to form the flexible packing part 300 is performed.

Here, the sum of the widths of the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 is less than the width of the large vehicle-only lane, the first precast concrete pavement panel 110 and the first The sum of the width of the precast concrete pavement panel 120 and the width of the flexible pavement part is the width of the large vehicle-only lane.

Therefore, the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 are installed in a section through which the left and right wheels 31b and 31a of the vehicle pass to form a precast concrete pavement section Pc. The filling material is filled in the empty space between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 to form a flexible pavement section Fp.

In addition, after the first precast concrete pavement panel 110 is disposed at one side of the upper surface of the base layer 20 in the first step S100, the transverse long-linking material 400 is first precast concrete pavement panel. It can be inserted into the first insertion groove (110s) of 110, and then the second precast concrete pavement panel 120 is inserted into the second insertion groove (120s) transverse fastener 400 and the base layer ( 20) may be disposed on the other side of the upper surface.

In addition, the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 may be disposed even in a narrow space by using a straddle carrier (not shown) in the first step S100. Can be.

In addition, the first precast concrete pavement by injecting grout material into the grouting holes 110p and 120p of the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 after the first step (S100). An injection step S110 for fixing the panel 110 and the second precast concrete pavement panel 120 to the base layer 20 may be further performed.

And, the construction method when repairing the pavement layer of the existing large vehicle lanes will be described.

First, the first precast concrete pavement panel 110 is removed by removing a portion into which the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 are inserted, among the pavement layers of the existing large vehicle-only lane. And a first step S100 ′ forming a space into which the second precast concrete pavement panel 120 is to be inserted.

In addition, the second pre-cast concrete paving panel 110 and the second precast concrete paving panel 120 is inserted into the space formed in the first step (S100 ') to form a rigid packaging part 100 ( S200 ').

Finally, a third step (S300 ′) of filling the gap between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 and the pavement layer of the existing large vehicle-only lane with filling material is performed. .

Here, the filler may be provided with asphalt or the like used for flexible packaging.

In more detail, since the existing flexible packaging part remains between the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120, the existing flexible pavement part may be utilized as described above. Alternatively, after removing the entire flexible packaging part, the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 are disposed, and the filler is injected into the empty space between the flexible pavement parts. 300 may also be formed.

In addition, the portion in which the transverse fastener 400 is inserted in the first step S100 ′ may be further removed, and after the second step S200 ′, the transverse fastener 400 may be first freed. It may be inserted into the third insertion groove (110t) of the cast concrete pavement panel 110 and the fourth insertion groove (120t) of the second precast concrete pavement panel 120.

In addition, after the second step (S200 ′), grout materials are injected into the grouting holes 110p and 120p of the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120 to form the first precast concrete. An injection step S210 ′ may be further performed to fix the paving panel 110 and the second precast concrete paving panel 120 to the base layer 20.

Second Embodiment

10 to 16, a second embodiment of the pavement layer 10 for a large vehicle lane according to the present invention includes a precast concrete pavement panel 600 and a flexible pavement part 300.

Referring to FIGS. 10 and 11, the precast concrete pavement panel 600 is installed on the upper surface of the base layer 20 of the large vehicle-only lane, and left and right wheels 31b and 31a of the large vehicle 30 are respectively. The first and second running parts 610 and 620 are spaced apart from each other by a certain distance from each other, and the first and second running parts 610 and 620 are integrally formed with the first and second running parts 610 and 620. ) Is formed in a block-out form by one or more connecting portions 630 forming upper and lower flexible packaging spaces 600s between the ().

In addition, the rigid packing parts 610 and 620 including the first driving part 610 and the second driving part 620 pass through a large vehicle-only lane like the rigid packing part 100 described in the first embodiment. To support the load transferred from the wheel 31 of the large vehicle 30.

In addition, the precast concrete pavement panel 600, as shown in Figure 14, the first running portion 610 and the second running portion 620 is connected through one connecting portion 630 and the first running portion 610 In addition, two flexible packaging spaces 600s having upper and lower openings may be formed between the second driving part 620 and the connecting part 630, and the first driving part 610 and the second driving part as shown in FIG. The traveling part 620 is connected through two connection parts 630, and one flexible packing space having an upper and a lower part opened between the first driving part 610, the second driving part 620, and the connecting part 630. 600s) may be formed, and a plurality of flexible packaging spaces 600s having upper and lower portions may be formed, and a plurality of connecting portions 630 may be provided according to an operator's implementation.

In addition, the distance f between the first travel unit 610 and the second travel unit 620 is shorter than the wedging d of the large vehicle 30, which means that the large vehicle 30 passing through the passageway is This is to allow traffic on the first travel portion 610 and the second travel portion 620 of the precast concrete pavement panel 600, and the large travel vehicle 30 passing through the large vehicle-only lane is the first travel portion. 610 and the second driving unit 620 to pass through.

In addition, the first running portion 610 and the second running portion 620 of the precast concrete pavement panel 600 functions to guide the driving direction of the large vehicle 30, the wheel 31 of the large vehicle 30 It is also possible to prevent the flexible packaging unit 300 from being damaged by preventing the flexible packaging unit 300 from traveling.

The flexible packaging part 300 is formed by filling the filling material in the flexible packaging space (600s), and fills the flexible packaging space (600s).

Here, the flexible packaging unit 300 is the same as the flexible packaging unit 300 described in the first embodiment, detailed description thereof will be omitted.

Additionally, referring to FIGS. 15 and 16, the precast concrete pavement panel 600 is connected to the lower portions of the first and second running portions 610 and 620 and closes the lower portion of the flexible packaging space 600s. The bottom portion 640 further includes.

Here, the bottom part 640 is integrally connected to the lower part of the first and second running parts 610 and 620, and the upper part is opened together with the first and second running parts 610 and 620 and the connecting part 630. The packing space 600s is formed, and the first and second driving portions 610 and 620 may be improved by improving the supporting force of the first and second driving portions 610 and 620 supporting the load transferred from the wheel 31 of the large vehicle 30. The durability of the 610 and 620 can be improved.

In addition, a plurality of drain holes 640h penetrating up and down are formed in the bottom part 640 of the precast concrete pavement panel 600, and water flowing into the flexible packing part 300 is drained to the base layer 20. Be sure to

Referring to FIG. 12, the pavement layer 10 for a large vehicle-only lane according to the present invention is a precast concrete pavement panel 600 in a wheel path section Pc through which the wheels 31 of the large vehicle 30 pass. The first travel portion 610 and the second travel portion 620 of the) is disposed, the wheel path section Pc through which the wheels 31 of the large vehicle 30 pass to the precast concrete pavement section Pc. In addition, by filling the filling material in the section except the place where the connecting bar 630 is disposed among the remaining sections, the flexible packaging section (Fp), the load of the large vehicle 30 to the precast concrete paving section (Pc) By supporting the precast concrete pavement panel (600), the precast concrete pavement panel (600) has a durability equivalent to that of a precast concrete pavement panel on the front of the pavement layer of a large vehicle lane as in the prior art. ) Improves workability Utility costs can be reduced.

Referring to FIG. 10, the precast concrete pavement panel 600 of the pavement layer 10 according to the present invention includes a pair of grouting holes 600p and a pair of over holes 600q penetrating from an upper surface to a lower surface. Is formed, the pair of grouting holes 600p and the pair of overit holes 600q are the same as the grouting holes 110p and the overit holes 110q described in the first embodiment, and thus a detailed description thereof will be omitted.

In addition, a filling groove 600r may be formed in the inner surface of the precast concrete pavement panel 600, and the filling groove 600r may be filled with asphalt 300. Accordingly, the precast concrete pavement panel 600 may be filled. ) May be fixed to the base layer 20 through the asphalt 300.

In addition, a dowel bar insertion hole 600h, a dowel bar insertion groove 600i, a filler injection hole 600j, or a U-shaped bolt insertion hole 600h 'may be formed on the front or rear surface of the precast concrete pavement panel 600. It is possible to bind the precast concrete pavement panels 600 through the longitudinal binding material (500, 500 '), these configurations are described in the configuration 110h, previously described in the first precast concrete pavement panel (110), 110i, 110j, and 110h ', so that the detailed description thereof will be omitted.

In addition, the precast concrete pavement panel 600 may be formed with a working groove (600w) and the tension member insertion hole (600v), the tension member 700 is inserted into the working groove is connected to pass through the tension member insertion hole (600v). It is discharged through the working groove 600w of the precast concrete pavement panel 600 and settled in the working groove 600w through the restraining member 800 to improve the tensile strength of the precast concrete pavement panel 600. By doing so, the flexural strength and deflection performance of the precast concrete pavement panels 600 may be improved, and these components may be the components described in the first precast concrete pavement panel 110 and the second precast concrete pavement panel 120. Since it is implemented in the same way as detailed description will be omitted.

Through the second embodiment of the pavement layer 10 according to the present invention will be described a construction method when a new pavement layer of a large vehicle-only lane.

First, the precast concrete pavement panel 600 is disposed on the upper surface of the base layer 20 so that the rigid packing parts 610 and 620 are positioned at positions corresponding to the left and right wheels 31a and 31b of the large vehicle 30. Perform the first step (S100´).

Then, a second step (S200 ′ ′) of filling the filling material in the flexible packaging space 600s of the precast concrete pavement panel 600 to form the flexible packaging part 300 is performed.

In addition, through the second embodiment of the pavement layer 10 according to the present invention will be described an implementation method for repairing the pavement layer of the existing large vehicle-only lane.

In addition, the first step (S100 ′ ′ ′) of forming a space into which the precast concrete pavement panel 600 is to be inserted by removing a portion into which the precast concrete pavement panel 600 is to be inserted among the pavement layers of the existing large vehicle-only lane. ).

Then, a second step (S200 ′ ′ ′) of inserting the precast concrete pavement panel 600 into the space is performed.

Finally, a third step (S400 ′ ′ ′) of filling the gap between the precast concrete pavement panel 600 and the pavement layer of the existing large vehicle-only lane with filling material is performed.

In more detail, since the existing flexible packaging portion remains between the first driving portion 610 and the second driving portion 620, the existing flexible packaging portion may be utilized as described above. After removing the entire flexible packaging portion, the precast concrete pavement panel 600 may be disposed and the filler may be injected into the flexible packaging space 600s to form the flexible packaging part 300.

As a result, the pavement layer 10 according to the present invention does not install the precast concrete pavement panels (110, 120, 600) in front of the pavement layer of a large vehicle-only lane, the schedule to receive a repeated load from the large vehicle 30 Since it is installed in the part and the remaining part is flexible packaging (asphalt, etc.) to form a packaging layer, it is possible to improve the workability and economic efficiency.

As described above, although the detailed description of the present invention has been made by the embodiments, it is understood that the present invention is limited to the above embodiments only because the above-described embodiments have only been described with reference to preferred examples of the present invention. It should not be understood that the scope of the invention should be understood as the claims and equivalents described below.

10: paving layer
110: first precast concrete paving panel
120: second precast concrete paving panel
300: flexible packaging portion 400: transverse long binding material
500, 500 ′: Longitudinal binding in the longitudinal direction
600: Precast Concrete Pavement Panel
700: tension member 800: restraining member
20: base layer

Claims (12)

Rigid paving portion composed of first and second precast concrete pavement panels, respectively, spaced apart from each other at a position corresponding to the left and right wheels of the large vehicle, respectively supporting loads transferred from the left and right wheels of the large vehicle; And
It characterized in that it comprises a flexible packaging portion is formed by filling the filling material between the first precast concrete pavement panel and the second precast concrete pavement panel
Pavement layer for large vehicle lanes. The method of claim 1,
At least one end is connected to the first precast concrete pavement panel, the other end is connected to the second precast concrete pavement panel, at least one connecting the first precast concrete pavement panel and the second precast concrete pavement panel. It characterized in that it comprises a transverse binding material
Pavement layer for large vehicle lanes. The method of claim 1,
Binding the first precast concrete pavement panels serially arranged along the running direction of the large vehicle, and each second precast concrete pavement panel arranged serially along the running direction of the large vehicle Characterized in that it comprises a longitudinal binding material which binds the
Pavement layer for large vehicle lanes. The method of claim 3,
The longitudinal binding material is provided with a U-shaped bolt and dowel bar,
The U-shaped bolts are disposed at left and right ends of the front or rear of the first precast concrete pavement panel or the second precast concrete pavement panel, and the dowel bar is disposed between the U-shaped bolts.
Pavement layer for large vehicle lanes. The method of claim 1,
A tension member that binds each of the first precast concrete pavement panels that are serially arranged along the running direction of the large vehicle and applies tension to the first precast concrete pavement panels. Characterized in that it comprises a member
Pavement layer for large vehicle lanes. As a construction method of a pavement layer for a large vehicle lane according to claim 1,
A first step of arranging the first precast concrete pavement panel and the second precast concrete pavement panel at positions corresponding to left and right wheels of a large vehicle at a predetermined distance from each other to form a rigid pavement part;
And a second step of filling the filling material between the first precast concrete pavement panel and the second precast concrete pavement panel to form a flexible pavement part.
Construction method of pavement layer for large vehicle lane. As a construction method of a pavement layer for a large vehicle lane according to claim 1,
The first precast concrete pavement panel and the second precast concrete pavement panel are removed by removing portions of the pavement layer of the existing vehicle-only lane into which the first precast concrete pavement panel and the second precast concrete pavement panel are inserted. A first step of forming a space to be inserted,
A second step of inserting the first precast concrete pavement panel and the second precast concrete pavement panel into the space to form a rigid packing part;
And a third step of filling the gap between the first precast concrete pavement panel and the second precast concrete pavement panel and the pavement layer of the existing large vehicle-only lane with filler.
Construction method of pavement layer for large vehicle lane. The left and right wheels of a large vehicle are formed integrally with the first and second running parts and the first and second running parts spaced apart from each other by a predetermined distance, and the upper and lower parts are opened between the first and second running parts. Precast concrete paving panel made of a block-out form by at least one connecting portion to form a flexible packaging space; And a flexible packaging part formed by filling a filling material in the flexible packaging space of the precast concrete pavement panel.
Rigid packaging portion consisting of the first running portion and the second running portion is characterized in that for supporting the load transferred from the left and right wheels of the large vehicle
Pavement layer for large vehicle lanes. The method of claim 8,
The precast concrete pavement panel is connected to the lower portion of the first and second running portion further comprises a bottom portion for closing the lower portion of the flexible packaging space
Pavement layer for large vehicle lanes. The method of claim 9,
The bottom portion of the precast concrete pavement panel is characterized in that a plurality of drainage holes are formed to penetrate up and down
Pavement layer for large vehicle lanes. As a construction method of a pavement layer for a large vehicle lane according to claim 8,
A first step of arranging the precast concrete pavement panel such that the rigid packing part is positioned at a position corresponding to the left and right wheels of the large vehicle;
And a second step of forming the flexible packing part by filling the filling material in the flexible packing space of the precast concrete pavement panel.
Construction method of pavement layer for large vehicle lane. As a construction method of a pavement layer for a large vehicle lane according to claim 8,
A first step of forming a space into which the precast concrete pavement panel is to be inserted by removing a portion to which the precast concrete pavement panel is to be inserted from the paving layer of the existing large vehicle-only lane;
A second step of inserting the precast concrete pavement panel into the space;
And a third step of filling the gap between the precast concrete pavement panel and the pavement layer of the existing large vehicle-only lane with filler.
Construction method of pavement layer for large vehicle lane.

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