阅读说明：本技术 基于装配式模板新老路基轻质土拼接拓宽结构 (Splicing widening structure for light soil of new and old roadbed based on assembled template ) 是由 周宁 王俊华 孙学明 施贤妹 应苏婷 于 2021-06-23 设计创作，主要内容包括：本申请涉及道路施工的领域,公开了一种基于装配式模板新老路基轻质土拼接拓宽结构,其包括原路单元,原路单元自下而上依次包括原地基层、原路基垫层、原路基层、原路面层,其还包括设置在原路单元一侧的新路单元,新路单元自下而上依次包括新地基层、新路基垫层、新路基层、新路面层,新地基层与原地基层在水平方向上相连,新路基垫层与原路基垫层在水平方向上相连,新路基层与原路基层在水平方向上相连,新路面层与原路面层在水平方向上相连,且新路面层与原路面层之间设有加固组件,加固组件包括相互连通的加固板和灌浆筒,灌浆筒和加固板内均灌注有砂浆。本申请具有降低原路面层和新路面层之间开裂的可能的效果。(The application relates to the field of road construction, and discloses a splicing and widening structure of new and old roadbed light soil based on an assembly type template, which comprises an original road unit, the original road unit comprises an original base layer, an original road base cushion layer, an original road base layer and an original road surface layer from bottom to top in sequence, the novel road unit comprises a novel foundation layer, a novel road base layer and a novel road surface layer from bottom to top in sequence, wherein the novel foundation layer is connected with the original foundation layer in the horizontal direction, the novel road base layer is connected with the original road base layer in the horizontal direction, the novel road surface layer is connected with the original road surface layer in the horizontal direction, and be equipped with the reinforcement assembly between new road surface layer and the former road surface layer, the reinforcement assembly is including the gusset plate and the grout section of thick bamboo of intercommunication each other, and grout all has poured the mortar in grout section of thick bamboo and the gusset plate. The method has the effect of reducing the possibility of cracking between the original pavement layer and the new pavement layer.)

1. The utility model provides a structure is widened based on assembly type template old and new road bed light soil concatenation, includes former road unit (1), former road unit (1) includes former basic unit (11), former basic cushion layer (12), former basic cushion layer (13), former road surface layer (14) from bottom to top in proper order, its characterized in that: the novel road unit comprises an original road unit (1) and is characterized by further comprising a novel road unit (2) arranged on one side of the original road unit (1), wherein the novel road unit (2) sequentially comprises a novel foundation layer (21), a novel foundation pad layer (22), a novel foundation layer (23) and a novel pavement layer (24) from bottom to top, the novel foundation layer (21) is connected with the original foundation layer (11) in the horizontal direction, the novel foundation pad layer (22) is connected with the original foundation pad layer (12) in the horizontal direction, the novel foundation layer (23) is connected with the original foundation layer (13) in the horizontal direction, the novel pavement layer (24) is connected with the original pavement layer (14) in the horizontal direction, a reinforcing component is arranged between the novel pavement layer (24) and the original pavement layer (14), the reinforcing component comprises a reinforcing plate (3) and a grouting barrel (4), the reinforcing plate (3) is hollow, and a plurality of through holes (31) are formed in the reinforcing plate (3), and a grouting cylinder (4) one end fixed connection is in the outside of gusset plate (3), and is linked together with gusset plate (3), inserting groove (141) have been opened in advance towards one side of gusset plate (3) in former road surface layer (14), gusset plate (3) are pegged graft and are fixed in inserting groove (141), the one end and grouting cylinder (4) that former road surface layer (14) was kept away from in gusset plate (3) all bury underground in new road surface layer (24), all pour into the mortar in grouting cylinder (4) and gusset plate (3).

2. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: the reinforcing plate (3) is arranged at two ends in the length direction in a penetrating mode, accommodating grooves (142) are formed in two ends of the reinforcing plate (3) in the original pavement layer (14) and the new pavement layer (24), the accommodating grooves (142) are communicated with the reinforcing plate (3), and the cross-sectional area of each accommodating groove (142) is larger than that of the reinforcing plate (3).

3. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: and reinforcing meshes (32) are laid on the sides, away from the original roadbed layer (13), of the reinforcing plates (3) in the new pavement layer (24) and the original pavement layer (14), and one ends, facing the original pavement layer (14), of the reinforcing meshes (32) are inserted into the insertion grooves (141).

4. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: one side of the reinforcing mesh (32) departing from the reinforcing plate (3) is paved with a geotextile layer (33), the geotextile layer (33) is arranged above the reinforcing mesh (32), and the geotextile layer (33) is fixedly buried in the new pavement layer (24) and the original pavement layer (14).

5. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: a plurality of reinforcing piles (211) are arranged in the new foundation layer (21), the reinforcing piles (211) are vertically arranged in the new foundation layer (21), the plurality of reinforcing piles (211) are arranged in a staggered manner in the horizontal direction, through grooves (2111) are formed in the plurality of reinforcing piles (211) along the horizontal direction, a plurality of reinforcing frames (212) are arranged on one side, away from the original foundation layer (11), of the new foundation layer (21), the number of the reinforcing frames (212) is the same as that of the reinforcing piles (211), one reinforcing frame (212) is matched with one corresponding reinforcing pile (211), each reinforcing frame (212) comprises a horizontal rod (2121) and a vertical rod (2122), one end of each horizontal rod (2121) is fixedly connected with the corresponding vertical rod (2122), one end, far away from the corresponding vertical rod (2122), of each horizontal rod (2121) penetrates through the through groove (2111) in the corresponding reinforcing pile (211) and penetrates into the original foundation layer (11), the vertical rod (2122) is abutted against one side of the new foundation layer (21) departing from the original foundation layer (11).

6. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: one side of the vertical rod (2122) facing the new foundation layer (21) is fixedly provided with a plurality of inserting rods (2123), and the plurality of inserting rods (2123) are inserted and fixed in the new foundation layer (21).

7. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: the tops of a plurality of the reinforcing piles (211) are jointly connected with a cover plate (213), and the cover plate (213) is positioned in a new roadbed cushion layer (22).

8. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: the novel road base layer comprises an original road base layer (13), wherein a plurality of step grooves (131) are formed in one side, facing a new road base layer (23), of the original road base layer (13) from top to bottom, supporting blocks are arranged on each step groove (131), each supporting block comprises a vertical block (1311) and a horizontal block (1312), the vertical blocks (1311) and the horizontal blocks (1312) are vertically connected, the vertical blocks (1311) are abutted to the wall of each step groove (131) in the vertical direction, the horizontal blocks (1312) are abutted to the wall of each step groove (131) in the horizontal direction, a plurality of connecting rods (132) penetrate through the horizontal blocks (1312) together, the connecting rods (132) are obliquely arranged, and supporting assemblies used for supporting the connecting rods (132) are arranged in the new road base layer (23).

9. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: the supporting component comprises a supporting rod (133) and a connecting plate (134), one end of the supporting rod (133) is fixedly connected with the connecting rod (132) and is perpendicular to the connecting rod (132), the supporting rod (133) is hinged to the connecting plate (134), the connecting plate (134) is arranged in the new roadbed layer (23), and the connecting plate (134) is flush with the new roadbed layer (23).

10. The assembled formwork-based new and old roadbed light soil splicing widening structure is characterized in that: one side of the connecting plate (134) departing from the supporting rod (133) is connected with a plurality of fixing blocks (135), and the fixing blocks (135) penetrate through the new pavement layer (24) and are fixedly connected with the reinforcing plate (3).

Technical Field

The application relates to the field of road construction, in particular to a splicing widening structure based on new and old roadbed light soil of an assembly type template.

Background

At present, with the rapid development of social economy, the living standard of people is gradually improved, the number of automobiles is gradually increased, and the original road width is difficult to meet the requirement of traffic, so that the original old road needs to be widened.

The Chinese patent with publication number CN206887664U discloses a splicing and widening structure of light soil of new and old roadbeds based on assembled templates, which mainly comprises an original embankment, embankment piles, frame lattice beams, prefabricated side slope plates, prefabricated side beams, T-shaped shear resistant pieces and light soil. Digging the side slope of the original embankment into a step shape, and arranging a T-shaped anti-shearing piece at the step; arranging embankment piles at the lower part of the new embankment, wherein the pile tops are lattice beams, transverse strip-shaped drainage cushion layers are arranged in the lattice beams at equal intervals, the end parts of the lattice beams are connected with prefabricated boundary beams, and prefabricated boundary slope plates are arranged in the prefabricated boundary beams; the bottom of the prefabricated side slope plate is anchored with the prefabricated side beam, and the top of the prefabricated side slope plate is connected with a jacking support at the top of the original embankment through a permanent pull rod; the new embankment subgrade is light soil, and a steel bar net piece is arranged in the light soil; the top of the light soil is a new pavement layer, and a prefabricated guardrail base is arranged in the new pavement layer.

In view of the above-mentioned related technologies, the inventor believes that when a new pavement is laid, the new pavement is flush with the original pavement, the spliced part of the new pavement and the original pavement is in direct end-face and end-face contact, and once the joint of the new pavement and the original pavement is rolled by a vehicle for a long time, the defect that the new pavement and the original pavement are prone to cracking exists.

Disclosure of Invention

In order to improve the defect that the crack phenomenon easily occurs in the joint of a new road surface and an original road surface in the prior art, the application provides a splicing and widening structure based on the light soil of the new and old roadbeds of the fabricated template.

The application provides a pair of structure is widened based on new and old road bed light soil concatenation of assembled template adopts following technical scheme to obtain:

the utility model provides a structure is widened based on assembled template old and new road bed light soil concatenation, includes former road unit, former road unit includes original basic unit, former road basic bed course, former road basic unit, former road surface layer from bottom to top in proper order, its characterized in that: the novel road unit comprises a novel foundation layer, a novel road base layer and a novel road surface layer from bottom to top, the novel foundation layer is connected with the original foundation layer in the horizontal direction, the novel road base layer is connected with the original road base layer in the horizontal direction, the novel road surface layer is connected with the original road surface layer in the horizontal direction, a reinforcing component is arranged between the novel road surface layer and the original road surface layer, the reinforcing component comprises a reinforcing plate and a grouting cylinder, the reinforcing plate is hollow, a plurality of through holes are formed in the reinforcing plate, one end of the grouting cylinder is fixedly connected to the outer side of the reinforcing plate and is communicated with the reinforcing plate, a splicing groove is pre-formed in one side, facing the reinforcing plate, of the original road surface layer, and the reinforcing plate is spliced and fixed in the splicing groove, the one end and the grout section of thick bamboo that the gusset plate kept away from former road surface layer all bury in new road surface layer, grout section of thick bamboo and gusset plate are all filled with the mortar.

Through above-mentioned technical scheme, in the work progress, when accomplishing the construction on new road surface, the operator pours the mortar into in the grout section of thick bamboo, the mortar gets into in the gusset plate, and the mortar in the gusset plate advances in new road surface layer and former road surface layer through a plurality of through-hole infiltrates, and the gusset plate sets up between new road surface layer and former road surface layer, be favorable to strengthening the stability of being connected between new road surface layer and the former road surface layer, thereby be favorable to strengthening the overall structure intensity of new road surface layer and former road surface layer, be favorable to reducing the possibility that the fracture phenomenon takes place in the junction of new road surface layer and former road surface layer.

Preferably: the reinforcing plate link up the setting along length direction's both ends, the holding tank has all been seted up at the both ends of the inherent reinforcing plate in former road surface layer and new road surface layer, the holding tank is linked together with the reinforcing plate, just the cross-sectional area of holding tank is greater than the cross-sectional area of reinforcing plate.

Through above-mentioned technical scheme, when having poured the mortar in the gusset plate, the mortar passes through in the both ends entering holding tank of gusset plate, and the holding tank is filled to the mortar, treats when the mortar solidifies for new pavement layer and former pavement layer are with gusset plate fixed connection, are favorable to further strengthening the stability of being connected between new pavement layer and the former pavement layer.

Preferably: and a reinforcing mesh is laid on one side of the new pavement layer, which is far away from the original pavement layer, of the reinforcing plate in the original pavement layer, and one end, facing the original pavement layer, of the reinforcing mesh is inserted into the insertion groove.

Through above-mentioned technical scheme, when the mortar outwards oozes through the through-hole on the gusset plate, the inserting groove is filled to the mortar for the reinforcing bar net is buried underground in the mortar, and the setting of reinforcing bar net is favorable to improving structural strength between former road surface layer and the new road surface layer.

Preferably: one side that the reinforcing bar net deviates from the gusset plate has been laid geotechnological cloth layer, geotechnological cloth layer sets up the top at the reinforcing bar net, geotechnological cloth layer is fixed to be buried underground in new road surface layer and former road surface layer.

Through above-mentioned technical scheme, geotechnological cloth has good structural strength and stretch-proofing performance, and the setting on geotechnological cloth layer is favorable to improving the tensile strength between new pavement layer and the former pavement layer to be favorable to reducing the possibility that the crack appears between new pavement layer and the former pavement layer.

Preferably: be equipped with a plurality of reinforcement piles in the new foundation layer, the vertical setting of reinforcement pile is in new foundation layer, and is a plurality of the setting of staggering of reinforcement pile position on the horizontal direction is a plurality of all seted up logical groove along the horizontal direction on the reinforcement pile, one side that new foundation layer deviates from original foundation layer is equipped with a plurality of reinforcement frame, the quantity of reinforcement frame is the same with the quantity of reinforcement pile, one reinforcement frame sets up with the cooperation of a corresponding reinforcement pile, reinforcement frame includes horizon bar and vertical pole, the one end and the vertical pole fixed connection of horizon bar, the one end that vertical pole was kept away from to the horizon bar runs through the logical groove of wearing to establish on the reinforcement pile and wears to establish in the original foundation layer, vertical pole is inconsistent with one side that new foundation layer deviates from original foundation layer.

Through above-mentioned technical scheme, the reinforcement stake sets up in new foundation layer, is favorable to strengthening new foundation layer overall structure's intensity to the horizontal pole is worn to establish logical groove and is worn to establish in the new foundation layer, and vertical pole is inconsistent with new foundation layer, makes reinforcement frame and reinforcing bar pin each other, is favorable to strengthening the stability of being connected between new foundation layer and the original place basic unit, thereby is favorable to improving the stability of being connected between new foundation layer and the original place basic unit.

Preferably: one side of the vertical rod towards the new foundation layer is fixedly provided with a plurality of inserting rods, and the inserting rods are inserted and fixed in the new foundation layer.

Through above-mentioned technical scheme, the setting of a plurality of spliced poles is favorable to increasing the area of contact between vertical pole and the new ground basic unit, is favorable to strengthening the stability of being connected between vertical pole and the new ground basic unit to be favorable to improving the stability of mount position, be favorable to further strengthening the stability of being connected between new ground basic unit and the original ground basic unit.

Preferably: the top of a plurality of the reinforcing piles is connected with a cover plate together, and the cover plate is located in a new roadbed cushion layer.

Through above-mentioned technical scheme, the setting of apron has played the effect of position restriction to a plurality of reinforcement piles simultaneously, is favorable to improving the stability of reinforcement pile position in new foundation layer, and simultaneously, the apron suppression can play the compaction effect to new foundation layer on the surface of new foundation layer, is favorable to improving the stability of new foundation layer structure.

Preferably: the novel road base layer is characterized in that a plurality of step grooves are formed in the original road base layer from top to bottom on one side of the novel road base layer, each step groove is provided with a supporting block, each supporting block comprises a vertical block and a horizontal block, the vertical blocks are vertically connected with the horizontal blocks, the vertical blocks are in contact with the groove walls of the step grooves in the vertical direction, the horizontal blocks are in contact with the groove walls of the step grooves in the horizontal direction, a plurality of connecting rods are arranged on the horizontal blocks in a penetrating mode, the connecting rods are arranged in an inclined mode, and supporting components used for supporting the connecting rods are arranged in the novel road base layer.

Through above-mentioned technical scheme, the setting of vertical pole and horizontal piece can play the effect of support to one side of original road basic unit orientation new road basic unit to the connecting rod is fixed a plurality of horizontal pieces simultaneously, and supports the connecting rod through supporting component, is favorable to reducing original road basic unit orientation new road basic unit one side slope and leads to the possibility of new road basic unit deformation, thereby is favorable to playing the effect of stable support to the overall structure of original road unit and new road unit.

Preferably: the supporting component comprises a supporting rod and a connecting plate, one end of the supporting rod is fixedly connected with the connecting rod and is perpendicular to the connecting rod, the supporting rod is hinged to the connecting plate, the connecting plate is arranged in a new roadbed layer, and the connecting plate is flush with the new roadbed layer.

Through above-mentioned technical scheme, the bracing piece supports the connecting rod to support the connecting rod through the connecting plate, the area of contact between connecting rod and the original road bed can be increased in the setting of connecting plate, thereby be favorable to the reinforcing to the stability that connecting rod and horizontal block supported.

Preferably: one side that the connecting plate deviates from the bracing piece is connected with a plurality of fixed blocks, and is a plurality of the fixed block all wears to establish into in the new road surface layer with gusset plate fixed connection.

Through above-mentioned technical scheme, the setting of fixed block can play the supporting role to the gusset plate, when receiving pressure on former road surface layer and new road surface layer, receives pressure on the gusset plate, and connecting rod provide the holding power to the gusset plate this moment, are favorable to reducing former road surface layer and new road surface layer and take place to cave in and the possibility of warping.

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

1. the stability of the connection between the new pavement layer and the original pavement layer is enhanced, so that the possibility of cracking between the new pavement layer and the original pavement layer is reduced;

2. the reinforcing is to the support of former road basic unit, is favorable to improving the steadiness of former road unit overall structure to be favorable to strengthening the stability of new road unit and former road unit connection.

Drawings

Fig. 1 is a schematic structural diagram of a splicing structure for embodying a new road unit and an original road unit in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a connection structure for embodying a reinforcing pile and a reinforcing frame in an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is an enlarged view of a portion B in fig. 1.

Reference numerals: 1. a road unit; 11. an in-situ base layer; 12. an original road base cushion layer; 13. a primary road base layer; 131. a step groove; 1311. a vertical block; 1312. a horizontal block; 132. a connecting rod; 133. a support bar; 134. a connecting plate; 135. a fixed block; 14. an original pavement layer; 141. inserting grooves; 142. accommodating grooves; 2. a new way unit; 21. a new basement layer; 211. reinforcing piles; 2111. a through groove; 212. a reinforcing frame; 2121. a horizontal bar; 2122. a vertical rod; 2123. a plug rod; 213. a cover plate; 22. a new roadbed layer; 23. a new roadbed layer; 24. a new pavement layer; 3. a reinforcing plate; 31. a through hole; 32. a reinforcing mesh; 33. a geotextile layer; 4. a grouting cylinder; 5. slope protection.

Detailed Description

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

The embodiment of the application discloses a structure is widened in new and old road bed light soil concatenation based on assembled template.

Referring to fig. 1, the splicing and widening structure based on the light soil of the new and old roadbed of the assembled template comprises an original road unit 1 and a new road unit 2, wherein the new road unit 2 is arranged on one side of the original road unit 1.

Referring to fig. 1, an original road unit 1 sequentially includes an original base layer 11, an original road base cushion layer 12, an original road base layer 13, and an original road surface layer 14 from bottom to top; the new road unit 2 sequentially comprises a new foundation layer 21, a new road base cushion layer 22, a new road base layer 23 and a new road surface layer 24 from bottom to top; the new roadbed layer 21 is connected with the original roadbed layer 11 in the horizontal direction, the new roadbed layer 22 is connected with the original roadbed layer 12 in the horizontal direction, the new roadbed layer 23 is connected with the original roadbed layer 13 in the horizontal direction, the new roadbed layer 23 and the original roadbed layer 13 are both light soil, and the new pavement layer 24 is connected with the original pavement layer 14 in the horizontal direction.

Referring to fig. 1 and 2, a plurality of reinforcing piles 211 are provided in the new foundation layer 21, the plurality of reinforcing piles 211 are vertically provided in the new foundation layer 21, and the plurality of reinforcing piles 211 are arranged in a horizontally staggered manner. Through grooves 2111 are formed in the plurality of reinforcing piles 211 in the horizontal direction, a plurality of reinforcing frames 212 are arranged on one side, away from the original foundation layer 11, of the new foundation layer 21, and the number of the reinforcing frames 212 is the same as that of the reinforcing piles 211. Reinforcing frame 212 includes a horizontal rod 2121 and a vertical rod 2122, one end of horizontal rod 2121 is vertically connected to vertical rod 2122, and horizontal rod 2121 and vertical rod 2122 are integrally formed. Moreover, a plurality of insertion rods 2123 are fixedly connected to one side of the vertical rod 2122 facing the horizontal rod 2121, the insertion rods 2123 and the vertical rod 2122 are integrally formed, and the length of the insertion rods 2123 is smaller than that of the horizontal rod 2121. The horizontal rods 2121 of one reinforcing frame 212 are inserted into the through grooves 2111 of a corresponding one of the reinforcing piles 211 and fixedly inserted into the original foundation layer 11, the plurality of insertion rods 2123 positioned on the vertical rods 2122 are inserted into the new foundation layer 21, and the vertical rods 2122 are abutted against one side of the new foundation layer 21 away from the original foundation layer 11. The reinforcing frames 212 and the reinforcing piles 211 play a role of mutual restraint, and the horizontal rods 2121 are fixedly inserted into the new foundation layer 21 and the original foundation layer 11, thereby contributing to supporting and connecting the new foundation layer 21 and the original foundation layer 11, and thus contributing to enhancing the stability of the connection between the new foundation layer 21 and the original foundation layer 11.

Referring to fig. 1 and 2, a cover plate 213 is commonly connected to the tops of the plurality of reinforcing piles 211, the cover plate 213 can press the plurality of reinforcing piles 211, which is beneficial to enhancing the stability of the positions of the reinforcing piles 211 in the new foundation layer 21, and the cover plate 213 is embedded in the new foundation mat layer 22.

Referring to fig. 1 and 3, the new roadbed layer 23 above the new roadbed layer 22 is connected to the original roadbed layer 13, and a plurality of step grooves 131 are arranged from top to bottom on the side of the original roadbed layer 13 facing the new roadbed layer 23, and in this embodiment, three step grooves 131 are arranged. Three step grooves 131 are provided with a support block, the support block is arranged in a T shape, the support block comprises a vertical block 1311 and a horizontal block 1312, the vertical block 1311 and the horizontal block 1312 are vertical, and the vertical block 1311 and the horizontal block 1312 are integrally formed. The vertical block 1311 abuts against a wall of the stepped groove 131 in the vertical direction, and the horizontal block 1312 abuts against a wall of the stepped groove 131 in the horizontal direction. The supporting block is arranged to support the original road base layer 13.

Referring to fig. 1 and 3, a connecting rod 132 is commonly arranged through the ends of the three horizontal blocks 1312 far away from the primary roadbed 13, and the connecting rod 132 is fixedly connected with the three horizontal blocks 1312. The connecting rod 132 sets up in the slope, is equipped with the supporting component in the new road bed layer 23, supports through the connecting rod 132 that the supporting component is right. The support assembly comprises a support rod 133 and a connecting plate 134, one end of the support rod 133 is fixedly connected with the connecting rod 132 and is vertical to the connecting rod 132, and one end of the support rod 133, which is far away from the connecting rod 132, is hinged to the connecting plate 134. Web 134 is disposed within new roadbed layer 23 and is flush with new roadbed layer 23. One side of the connecting plate 134 facing away from the support bar 133 is connected with a plurality of fixing blocks 135, and the fixing blocks 135 are inserted into the new pavement layer 24. The connecting plate 134 and the supporting rod 133 are arranged to support the connecting rod 132, so as to be beneficial to enhancing the supporting function of the supporting block on the original roadbed layer 13.

Referring to fig. 1 and 3, a reinforcing component is arranged between the new road surface layer 24 and the original road surface layer 14, the reinforcing component comprises a reinforcing plate 3 and a grouting cylinder 4, the reinforcing plate 3 is hollow, a plurality of through holes 31 are formed in the reinforcing plate 3, one end of the grouting cylinder 4 is fixedly connected to the outer side of the reinforcing plate 3, and the grouting cylinder 4 is communicated with the reinforcing plate 3. One side of the original pavement layer 14 facing the reinforcing plate 3 is pre-opened with a plugging groove 141, the reinforcing plate 3 is plugged and fixed in the plugging groove 141, one end of the reinforcing plate 3 far away from the original pavement layer 14 and the grouting cylinder 4 are both embedded in the new pavement layer 24, and one end of the grouting cylinder 4 far away from the reinforcing plate 3 is flush with the new pavement layer 24. The setting has a perfect understanding at reinforcing plate 3's both ends along length direction, and holding tank 142 has all been seted up at the both ends of original pavement layer 14 and the inherent reinforcing plate 3 of new pavement layer 24, and holding tank 142 is linked together with reinforcing plate 3, and the cross-sectional area of holding tank 142 is greater than reinforcing plate 3's cross-sectional area.

Referring to fig. 1 and 4, a mesh reinforcement 32 is laid in the new pavement layer 24 and the original pavement layer 14 on the side of the reinforcing plate 3 away from the original pavement base 13, and one end of the mesh reinforcement 32 facing the original pavement layer 14 is inserted into the insertion groove 141. A geotextile layer 33 is laid on the side of the reinforcing mesh 32 opposite to the reinforcing plate 3, the geotextile layer 33 is arranged above the reinforcing mesh 32, and the geotextile layer 33 is fixedly embedded in the new pavement layer 24 and the original pavement layer 14.

During construction, mortar is poured into the reinforcing plate 3 through the grouting barrel 4, the reinforcing plate 3 is filled with the mortar, and the accommodating groove 142 is filled with the mortar entering the accommodating groove 142 through the two ends of the reinforcing plate 3. At the same time, the mortar in the reinforcing plate 3 seeps out of the reinforcing plate 3 through the through-holes 31, penetrates through the reinforcing mesh 32 and the geotextile layer 33, and completely fills the receiving groove 142. Set up like this for new pavement layer 24 and former pavement layer 14 are stably connected, and play the reinforcing action to the junction of new pavement layer 24 and former pavement layer 14, be favorable to reducing when the car passes through the junction of new pavement layer 24 and former pavement layer 14, the possibility of the phenomenon of ftractureing takes place in the junction of new pavement layer 24 and former pavement layer 14.

Referring to fig. 1, one side that new road unit 2 deviates from former road unit 1 is equipped with bank protection 5, and bank protection 5 top-down sets up towards the direction slope of keeping away from new road unit 2, in order to reduce soil erosion and water loss, can plant plants such as bush on bank protection 5.

The embodiment of the application discloses a based on the implementation principle of new and old road bed light soil concatenation widening structure of assembled template does: the new road unit 2 and the original road unit 1 are spliced with each other, so that the purpose of widening the original road unit 1 is achieved. The reinforcing piles 211 and the reinforcing frames 212 are arranged in the new foundation layer 21 to enhance the support and fixation of the new foundation layer 21 and the original foundation layer 11; the new roadbed layer 23 is internally provided with the supporting component, and the new roadbed layer 23 and the original roadbed layer 13 are supported by the supporting component, so that the stability of supporting the new roadbed layer 23 and the original roadbed layer 13 is improved; and then through set up the reinforcement assembly in new pavement layer 24 and former pavement layer 14, be favorable to improving the reinforcement assembly, the setting of reinforcement assembly is favorable to playing the reinforcement effect to the junction of new pavement layer 24 and former pavement layer 14, is favorable to reducing the car from new pavement layer 24 and former pavement layer 14 through the time, the possibility that new pavement layer 24 and the junction of former pavement layer 14 cracked the phenomenon takes place.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.