CN217973899U

CN217973899U - Structure of ftractureing is prevented to slant prestressing force cement concrete pavement

Info

Publication number: CN217973899U
Application number: CN202222397718.1U
Authority: CN
Inventors: 欧英典; 王水林; 徐萍; 冉光娟; 梁采钊; 陈万琼
Original assignee: Guangdong Road Construction Engineering Co ltd
Current assignee: Guangdong Road Construction Engineering Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-06
Anticipated expiration: 2032-09-08

Abstract

The utility model belongs to the technical field of the technique of concrete pavement construction and specifically relates to a structure of ftractureing is prevented to slant prestressed cement concrete pavement is related to, including installing the connection template in the road both sides, be provided with the mounting panel on the connection template, the side and the connection template of mounting panel are connected, enclose between mounting panel and the connection template and close formation and pour the chamber, be connected with the lacing wire on the mounting panel, the both ends of lacing wire are connected with the mounting panel of road both sides respectively, the length direction slope setting of lacing wire along the road, the tip of lacing wire passes the mounting panel and extends to pouring the intracavity, it pours the obturator that is used for fixed lacing wire to pour the intracavity, set up the opening that supplies the lacing wire to pass on the mounting panel, the outside of mounting panel is provided with a plurality of strengthening ribs, and is a plurality of the strengthening rib is arranged around the opening, and a plurality of the outside cover of strengthening rib is equipped with the splice bar that is used for connecting a plurality of strengthening ribs. This application has the effect that promotes the efficiency of construction.

Description

Structure of ftractureing is prevented to slant prestressing force cement concrete pavement

Technical Field

The application relates to the technical field of concrete pavement construction, in particular to an anti-cracking structure of an oblique prestressed cement concrete pavement.

Background

The prestressed concrete pavement is a pavement applying prestress on the concrete pavement, so that the pavement slab is thin and long, the driving is comfortable, the pavement slab does not crack, the stress performance is good, and the maintenance cost is low. The oblique prestressed cement pavement is characterized in that double oblique crossed prestressed lacing wires are arranged in the surface layer of the cement concrete pavement, so that the cement concrete pavement generates prestressing force in the longitudinal direction and the transverse direction of the pavement, and the service performance of the pavement is improved.

When the existing prestressed cement pavement is constructed, the construction steps generally comprise that templates are installed on two sides of the pavement, then a prestressed lacing wire is installed between the templates on the two sides, the prestressed lacing wire is placed obliquely at the same time, the prestressed lacing wire is placed along the opposite oblique direction, namely the prestressed lacing wire is in a cross state, then concrete is poured between the two templates, and the prestressed lacing wire is poured in the pavement.

Above-mentioned prestressing force cement road surface when the construction, need be connected with the template after placing prestressing force lacing wire slope between the template, but the installation and the location difficulty of template, inconvenient installs the prestressing force lacing wire to can lead to influencing the efficiency of construction.

SUMMERY OF THE UTILITY MODEL

In order to promote the efficiency of construction, this application provides a structure of ftractureing is prevented to slant prestressed cement concrete pavement.

The application provides a slant prestressed cement concrete pavement anti-cracking structure adopts following technical scheme:

the utility model provides a structure of ftractureing is prevented to slant prestressed cement concrete pavement, is including installing the connection template in the road both sides, be provided with the mounting panel on the connection template, the side and the connection template of mounting panel are connected, enclose between mounting panel and the connection template and close and form and pour the chamber, be connected with the lacing wire on the mounting panel, the both ends of lacing wire are connected with the mounting panel of road both sides respectively, the length direction slope setting of lacing wire along the road, the tip of lacing wire passes the mounting panel and extends to pouring the intracavity, pour the intracavity and pour the closing body that is used for fixed lacing wire, set up the opening that supplies the lacing wire to pass on the mounting panel, the outside of mounting panel is provided with a plurality of strengthening ribs, and is a plurality of the strengthening rib is arranged around the opening, and is a plurality of the outside cover of strengthening rib is equipped with the splice bar that is used for connecting a plurality of strengthening ribs.

Through adopting above-mentioned technical scheme, set up the mounting panel on the connection template, mounting panel and connection template are connected, set up the lacing wire on the mounting panel, the both ends of lacing wire are connected with two mounting panels respectively, and set up the lacing wire slope and set up, the tip of lacing wire is placed and is being pour the intracavity, when the installation, place the tip of lacing wire after pouring the intracavity, pour concrete to pouring the intracavity and form the closure, fix the position of lacing wire, carry out the location connection to the position of lacing wire through setting up the mounting panel, reduce the construction degree of difficulty, promote the efficiency of construction. Set up the opening in the outside of mounting panel in addition to connect lacing wire and mounting panel, set up the strengthening rib in the week side of opening simultaneously, promote the intensity of opening edge, when the lacing wire applys the pulling force to the mounting panel promptly, reduce the phenomenon that deformation appears in opening department, promote the complex stability between lacing wire and the mounting panel.

Optionally, the mounting panel corresponds with the connection template of road both sides and is provided with two sets ofly, every group the mounting panel includes a plurality ofly, and the mounting panel in every group arranges the setting along the length direction of connecting the template, the lacing wire is provided with two sets ofly, every group the lacing wire sets up a plurality ofly, in two sets of the lacing wire sets up along opposite direction slope.

Through adopting above-mentioned technical scheme, set up the multiunit lacing wire, set up along opposite direction slope between a plurality of lacing wires, intercrossing between the lacing wire promptly, behind the road deck of pouring, promote road deck overall structure intensity.

Optionally, the mounting panel includes integrative intermediate part and two connecting portion that set up, two connecting portion set up the both sides at the intermediate part, connecting portion and connecting template are connected, the intermediate part sets up with the connecting template interval, the opening sets up on connecting portion, lacing wire perpendicular to connecting portion set up.

Through adopting above-mentioned technical scheme, the opening sets up on connecting portion, and the opening supplies the lacing wire to pass, and the lacing wire perpendicular to connecting portion set up to when carrying out the lacing wire to the lacing wire, the cushion can with connecting portion butt, promote the area of contact between cushion and the connecting portion, promote the complex stability between cushion and the connecting portion, and then promote lacing wire and connecting portion complex stability.

Optionally, a cushion block is arranged outside the tie bar in a sliding mode, the cushion block is arranged in the pouring cavity and abutted to the mounting plate, a connecting sleeve is arranged at one end, close to the pouring cavity, of the tie bar, and the connecting sleeve and one side, away from the mounting plate, of the cushion block are abutted to fix the tie bar.

Through adopting above-mentioned technical scheme, set up cushion and mounting panel butt, set up adapter sleeve and lacing wire screw-thread fit simultaneously and connect, at adapter sleeve and cushion butt, and during cushion and mounting panel butt, fix the position of lacing wire, simultaneously after exerting the pulling force to the lacing wire, the accessible rotates the adapter sleeve, until adapter sleeve and cushion butt to fix the position of lacing wire.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the concrete is poured between the mounting plate and the connecting template in the pouring cavity to form a closed body, when the concrete is installed, the end part of the tie bar is inserted into the pouring cavity, then the closed body is formed by pouring, the position of the tie bar is fixed, and meanwhile, the mounting plate is arranged so as to position and install the position of the tie bar, and the construction efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of an anti-cracking structure of an oblique prestressed cement concrete pavement according to an embodiment of the present application.

Fig. 2 is a structural view of a mounting plate in the crack prevention structure of the diagonal prestressed cement concrete pavement according to the embodiment of the present application.

FIG. 3 is a structural view of a spacer in the crack-resistant structure of the oblique prestressed cement concrete pavement according to the embodiment of the present application.

FIG. 4 is a structural view of a reinforcement rib in the crack-resistant structure of the oblique prestressed cement concrete pavement according to the embodiment of the present application.

Reference numerals: 1. connecting the templates; 2. mounting a plate; 21. an intermediate portion; 22. a connecting portion; 23. pouring a cavity; 3. stretching a rib; 4. cushion blocks; 5. connecting sleeves; 6. reinforcing ribs; 7. connecting ribs; 8. a port; 9. a road surface plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses a structure of ftractureing is prevented to slant prestressed cement concrete pavement. Referring to fig. 1 and 2, the crack prevention structure for the oblique prestressed cement concrete pavement comprises connecting formworks 1 arranged on two sides of a road, wherein the connecting formworks 1 are arranged along the length direction of the road, mounting plates 2 are arranged on the connecting formworks 1, the mounting plates 2 are provided with two groups, and the two groups of mounting plates 2 are respectively arranged on the two connecting formworks 1. Every mounting panel 2 of group includes a plurality ofly, and a plurality of mounting panels 2 set up along the length direction interval of connecting form 1, are provided with lacing wire 3 on the mounting panel 2, and the both ends of lacing wire 3 are connected with mounting panel 2 on the road both sides respectively, and lacing wire 3 sets up along the length direction slope of road, pours concrete in the outside of lacing wire 3 and forms pavement board 9. The tie bars 3 are poured in the road slab 9, so that the road slab 9 transversely and longitudinally generates prestress, and the quality of the road is improved.

Referring to fig. 1 and 2, the tie bars 3 are provided in two sets, two sets of tie bars 3 respectively include a plurality of tie bars 3 arranged in parallel at intervals, and two sets of tie bars 3 are obliquely arranged in opposite directions, that is, adjacent tie bars 3 in two sets are arranged in a crossing manner. Through setting up a plurality of lacing wires 3 of crossing, restraint concrete pavement's deformation, promote overall stability.

Referring to fig. 1 and 2, in order to fix the tie bar 3, the mounting plate 2 is provided with two connecting portions 22 and two middle portions 21 which are integrally arranged, the two connecting portions 22 are respectively arranged on two sides of the middle portion 21, one side of the connecting portion 22, which deviates from the middle portion 21, is connected with the connecting template 1, namely two sides of the mounting plate 2 are connected with the connecting template 1, the middle portion 21 and the connecting template 1 are arranged at intervals, the connecting portion 22, the middle portion 21 and the connecting template 1 are enclosed to form a pouring cavity 23, a through opening 8 is formed in the connecting portion 22 in a penetrating mode, one side of the connecting portion 22, which deviates from the middle portion 21, is obliquely arranged along the direction far away from the pouring cavity 23, the tie bar 3 extends into the pouring cavity 23 through the through opening 8, a closed body for fixing the tie bar 3 is filled in the pouring cavity 23, and the closed body is formed by pouring concrete in the pouring cavity 23. The tie bar 3 is fixed by casting a closure body in the casting cavity 23.

Referring to fig. 2 and 3, a cushion block 4 is arranged outside the tie bar 3, the cushion block 4 is arranged outside the tie bar 3 in a sliding mode along the length direction of the tie bar 3, the cushion block 4 is arranged in the pouring cavity 23, the cushion block 4 is abutted to the connecting portion 22, the stress area of the connecting portion 22 is increased through the cushion block 4, and the stability of the cooperation of the tie bar 3 and the connecting portion 22 is improved. The connecting sleeve 5 is arranged outside the lacing wire 3, the connecting sleeve 5 is abutted against the cushion block 4, the lacing wire 3 is in sliding connection with the cushion block 4, and the connecting sleeve 5 is in threaded fit connection with the end part of the lacing wire 3. During construction, the tie bar 3 is tensioned, then the connecting sleeve 5 is rotated to be abutted against the cushion block 4, meanwhile, the cushion block 4 is abutted against the connecting part 22, and the tie bar 3 is fixed to keep a tensioning state.

Refer to fig. 3 and fig. 4, be provided with a plurality of strengthening ribs 6 in the outside of mounting panel 2, strengthening rib 6 sets up on connecting portion 22 promptly, a plurality of strengthening ribs 6 arrange around opening 8, 6 perpendicular to connecting portion 22 of strengthening rib set up, the outside cover of a plurality of strengthening ribs 6 is equipped with the splice bar 7 of a plurality of strengthening ribs 6,

splice bar

7 and 6 welded fastening of a plurality of strengthening ribs, make a plurality of strengthening ribs 6 form a whole, strengthen the intensity of opening 8 department on the connecting portion 22, reduce the phenomenon that connecting portion 22 atress appears deformation excessively, and then promote the stability of lacing wire 3. Meanwhile, the reinforcing ribs 6 can be poured into the pavement slab 9, so that the stability of the connecting part 22 is improved.

The application has the implementation principle that: through set up mounting panel 2 on connecting template 1, pass opening 8 and connecting portion 22 with the tip of lacing wire 3 and connect to install lacing wire 3 in appointed position, be convenient for fix a position it, promote the efficiency of construction.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a structure of ftractureing is prevented to slant prestressing force cement concrete pavement which characterized in that: including installing connection template (1) in the road both sides, be provided with mounting panel (2) on connection template (1), the side and connection template (1) of mounting panel (2) are connected, enclose between mounting panel (2) and connection template (1) and close and form and pour chamber (23), be connected with lacing wire (3) on mounting panel (2), the both ends of lacing wire (3) are connected with mounting panel (2) of road both sides respectively, lacing wire (3) set up along the length direction slope of road, the tip of lacing wire (3) passes mounting panel (2) and extends to pour in chamber (23), it has the closing body that is used for fixed lacing wire (3) to pour chamber (23) in, set up opening (8) that supply lacing wire (3) to pass on mounting panel (2), the outside of mounting panel (2) is provided with a plurality of strengthening ribs (6), and is a plurality of strengthening rib (6) are arranged around opening (8), and is a plurality of the outside cover of strengthening rib (6) is equipped with connection rib (7) that are used for connecting a plurality of strengthening rib (6).

2. The inclined prestressed cement concrete pavement anti-cracking structure according to claim 1, wherein: mounting panel (2) correspond with the connection template (1) of road both sides and are provided with two sets ofly, every group mounting panel (2) are including a plurality of, and a plurality of mounting panel (2) in every group arrange the setting along the length direction of connection template (1), lacing wire (3) are provided with two sets ofly, every group lacing wire (3) set up a plurality ofly, two sets of along the length direction of connection template (1) lacing wire (3) sets up along opposite direction slope.

3. The oblique prestressed cement concrete pavement anti-cracking structure of claim 2, wherein: mounting panel (2) are including integrative intermediate part (21) and two connecting portion (22) that set up, two connecting portion (22) set up the both sides in intermediate part (21), connecting portion (22) and connecting form (1) are connected, intermediate part (21) and connecting form (1) interval set up, opening (8) set up on connecting portion (22), lacing wire (3) perpendicular to connecting portion (22) set up.

4. The inclined prestressed cement concrete pavement anti-cracking structure according to claim 3, characterized in that: the outside of lacing wire (3) is provided with cushion (4), cushion (4) set up pour chamber (23) in with mounting panel (2) butt, one end that lacing wire (3) are close to pour chamber (23) sets up adapter sleeve (5), one side butt that adapter sleeve (5) and cushion (4) deviate from mounting panel (2) is fixed lacing wire (3).