CN114855532A - Reconstruction construction method for old road in rural area - Google Patents
Reconstruction construction method for old road in rural area Download PDFInfo
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- CN114855532A CN114855532A CN202210393758.0A CN202210393758A CN114855532A CN 114855532 A CN114855532 A CN 114855532A CN 202210393758 A CN202210393758 A CN 202210393758A CN 114855532 A CN114855532 A CN 114855532A
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 49
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000004568 cement Substances 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims abstract description 9
- 239000002344 surface layer Substances 0.000 claims abstract description 8
- 239000010426 asphalt Substances 0.000 claims abstract description 4
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 4
- 239000013521 mastic Substances 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 210000003205 muscle Anatomy 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The application discloses a reconstruction construction method for an old road in a rural area, which relates to the technical field of road construction, comprises the following steps: s1, digging a first splicing groove and a second splicing groove which are stepped on two sides of the old road section to form a new roadbed; s2, laying steel wire meshes at the bottoms of the first splicing groove and the second splicing groove, and inserting one side of each steel wire mesh into the groove walls of the first splicing groove and the second splicing groove; s3, using concrete to pour a retaining wall on one side of the new road base away from the old road section; s4, paving 4% cement stabilized graded broken stones on the first splicing grooves to form a subbase layer; s5, paving 5.5% cement stabilized graded broken stones on the bottom of the subbase layer and the bottom of the second splicing groove to form a base layer; s6, attaching anti-crack stickers at the joints of the base course and the old road sections, and paving the old road sections and the base course by using asphalt concrete to form a surface course; and S7, paving the surface layer with asphalt mastic macadam to form a new road surface. The method and the device can enable the old road section and the new road section to be more stable.
Description
Technical Field
The application relates to the technical field of road construction, in particular to a reconstruction construction method for old roads in rural areas.
Background
Road reconstruction refers to the work of carrying out large-scale transformation on the existing highway according to the requirement of traffic volume development so as to improve the technical standard or the technical grade of the existing highway. Road reconstruction can be divided into total reconstruction and partial reconstruction. The former is to abandon the original road reconstruction basically, and the procedure is the same as that of the new road; the latter can be divided into moving and changing of routes, changing of road beds, changing of road surfaces, changing of bridges and culverts and the like.
The reconstruction of rural roads is particularly important in road reconstruction projects, and because most rural roads are long in construction time and cannot be normally used, the reconstruction needs to be widened for many rural roads, the widened roads can also be used daily, at present, when the roads are widened, roadbeds are generally dug out on two sides of the roads, concrete is laid on the roadbeds and spliced with old pavements, but cracks easily appear between the widened pavements and the old pavements after the roads are used for a period of time, so that the new pavements and the old pavements are fractured, and the roads need to be frequently maintained.
Disclosure of Invention
In order to solve the problem that the new and old pavements are easy to break, the application provides a reconstruction construction method for old roads in rural areas.
The construction method for rebuilding the old road in the rural area adopts the following technical scheme.
A reconstruction construction method for old roads in rural areas comprises the following steps:
s1, digging a first splicing groove and a second splicing groove which are stepped on two sides of the old road section to form a new roadbed, and compacting the bottoms of the first splicing groove and the second splicing groove;
s2, laying steel wire meshes at the bottoms of the first splicing groove and the second splicing groove, and inserting one side of each steel wire mesh into the groove walls of the first splicing groove and the second splicing groove;
s3, using concrete to pour a retaining wall on one side of the new road base away from the old road section;
s4, paving 4% cement stabilized graded broken stones on the first splicing groove to form a subbase layer, and enabling the subbase layer to be flush with the old groove bottom section of the second splicing groove;
s5, paving 5.5% cement stabilized graded broken stones on the bottom of the subbase layer and the bottom of the second splicing groove to form a base layer, wherein the base layer is flush with the old road section;
s6, attaching anti-crack stickers at the joints of the base course and the old road sections, and paving the old road sections and the base course by using asphalt concrete to form a surface course;
and S7, paving the surface layer with asphalt mastic macadam to form a new road surface.
Through adopting above-mentioned technical scheme, dig out the new road bed of echelonment in old road section both sides, fix the wire net and can increase the cohesion between concrete and the new road bed at first splice groove and second splice groove, the barricade can block the concrete of pouring not dry, avoid the concrete loss, the articulamentum covers basic unit and old road section, can make and combine more firm between basic unit and the old road section, the articulamentum can increase the steadiness that new road surface laid simultaneously, can reduce the cracked possibility of appearing between new road surface and the old road section.
Optionally, the groove bottoms of the first splicing groove and the second splicing groove are obliquely arranged in the direction away from the retaining wall.
Through adopting above-mentioned technical scheme, with the tank bottom slope setting of first splice groove and second splice groove, the tank bottom that the slope set up makes subbase and basic unit have and removes the prestressing force to old highway section direction, can reduce subbase and basic unit to the possibility of keeping away from the direction removal of old highway section, can reduce subbase and basic unit and the cracked possibility of old highway section.
Optionally, be equipped with the reinforcement net in the barricade, one side that the reinforcement net is close to new road bed is equipped with many fixed muscle along the length direction of barricade, the one end that the reinforcement net was kept away from to fixed muscle is inserted and is located old highway section.
Through adopting above-mentioned technical scheme, the reinforcing net can increase the bulk strength of barricade, can reduce the possibility of barricade damage, and the fixed muscle of reinforcing on the net simultaneously is fixed in old highway section, can play reinforced effect to the barricade, can make and be connected more closely between barricade and subbase and the basic unit, and the inflation extrusion barricade makes the possibility that the barricade collapsed when having reduced subbase and basic unit and solidifying.
Optionally, the one end that new road bed was kept away from to fixed muscle extends the barricade, the one end screw thread that fixed muscle extended the barricade is equipped with the fastening block, the fastening block is contradicted in the barricade.
Through adopting above-mentioned technical scheme, fixed muscle passes the barricade, and the fastening block can provide the holding power to old road section direction for the barricade for hug closely subbase and basic unit can be looked after to the barricade, makes the barricade can stabilize more.
Optionally, the one side that new road bed was kept away from to the barricade is equipped with the gusset plate along self length direction, fixed muscle is inserted and is located the gusset plate, one side that the barricade was kept away from to the gusset plate is equipped with the dead lever, the dead lever passes gusset plate and screw thread and inserts and locate fixed muscle, the fastening block thread bush is taken the photograph on the dead lever and is contradicted in the gusset plate.
Through adopting above-mentioned technical scheme, fix the gusset plate on keeping off the wall, the gusset plate can increase the area of contact between fastening block and the barricade, can provide bigger holding power for the barricade, has further increased the steadiness of barricade, and the dead lever screw thread is inserted and is established on fixed muscle simultaneously, makes things convenient for follow-up pull down the dead lever from the barricade.
Optionally, a connecting net is arranged on one side, close to the new roadbed, of the retaining wall, and the fixing ribs penetrate through the connecting net.
Through adopting above-mentioned technical scheme, the connection net can make the barricade combine inseparabler with between underlayment and the basic unit, has further increased the steadiness of barricade installation.
Optionally, a reinforcing component is arranged between the bottom of the subbase layer and the bottom of the second splicing groove and comprises a connecting plate and an anchor rod, the two ends of the connecting plate are respectively arranged on the bottom of the second splicing groove of the subbase layer, the connecting plate extends along the length direction of the subbase layer, the anchor rod is respectively arranged at the two ends of the connecting plate, and the anchor rod is inserted into the bottom of the subbase layer and the bottom of the second splicing groove along the vertical direction.
Through adopting above-mentioned technical scheme, insert the stock at connecting plate both ends respectively in the tank bottom of basic unit and second splice groove, the connecting plate links together the tank bottom of subbase layer and second splice groove for laying of subbase layer is more firm, and the connecting plate also can play waterproof effect to the junction of subbase layer and first splice groove simultaneously, can reduce water and permeate the possibility that causes the damage to the basic unit below to the basic unit from the gap.
Optionally, a plurality of protruding spines are arranged on the connecting plate along the vertical direction.
Through adopting above-mentioned technical scheme, on the connecting plate was pour to the basic unit, protruding thorn on the connecting plate can make and be connected inseparabler between basic unit and the connecting plate for the gap is littleer between connecting plate and the basic unit.
In summary, the present application includes at least one of the following advantages:
1. the steel wire meshes are fixed on the first splicing grooves and the second splicing grooves, so that the binding force between concrete and a new road base can be increased, the retaining wall can block the poured concrete, the concrete loss is avoided, the connecting layer covers the base layer and the old road section, the binding between the base layer and the old road section can be more stable, meanwhile, the connecting layer can increase the stability of laying the new road surface, and the possibility of fracture between the new road surface and the old road section can be reduced;
2. the groove bottoms of the first splicing groove and the second splicing groove are obliquely arranged, and the obliquely arranged groove bottoms enable the subbase layer and the base layer to have prestress when moving towards the old road section, so that the possibility that the subbase layer and the base layer move towards the direction far away from the old road section can be reduced, and the possibility that the subbase layer and the base layer are fractured with the old road section can be reduced;
3. the gusset plate can increase the area of contact between fastening block and the barricade, can provide bigger holding power for the barricade, has further increased the steadiness of barricade, and the dead lever screw thread is inserted and is established on fixed muscle simultaneously, and convenient follow-up pulls down the dead lever from the barricade.
Drawings
Fig. 1 is a flowchart of a rural old road reconstruction construction method according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a rural old road reconstruction in an embodiment of the present application.
Description of reference numerals:
1. an old road section; 2. a new roadbed; 21. a first splice groove; 22. a second splice groove; 23. steel wire mesh; 24. an underlayer; 25. a base layer; 3. retaining walls; 31. reinforcing the net; 32. fixing the ribs; 33. a fastening block; 34. a reinforcing plate; 35. fixing the rod; 36. connecting a net; 4. a surface layer; 41. a new pavement; 42. anti-crack plaster; 5. a reinforcement assembly; 51. a connecting plate; 52. an anchor rod; 53. and (5) protruding stabs.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a construction method for rebuilding old roads in rural areas. Referring to fig. 1 and 2, a rural old road reconstruction construction method comprises the following steps:
s1, digging a first splicing groove 21 and a second splicing groove 22 which are in a step shape from far to near on two sides of the old road section 1 to form a new road bed 2, wherein the groove bottom of the first splicing groove 21 is located below the groove bottom of the second splicing groove 22, the groove bottoms of the first splicing groove 21 and the second splicing groove 22 are compacted, the contact area between the new road section and the old road section 1 can be increased by the new road bed which is in the step shape, and the road section widened later and the old road section are more stable.
In order to reduce the possibility that the newly poured road section slides in the direction far away from the old road section 1 due to long-time extrusion, when the first splicing groove 21 and the second splicing groove 22 are excavated, the groove bottoms of the first splicing groove 21 and the second splicing groove 22 are obliquely arranged towards the old road section 1, and the obliquely arranged groove bottoms enable the newly poured road section to have the prestress which is moved towards the old road section 1, so that the possibility that the newly poured road section moves towards the direction far away from the old road section 1 can be reduced, and the possibility that the newly poured road section breaks with the old road section 1 can be reduced.
S2, paving the steel wire mesh 23 at the bottoms of the first splicing groove 21 and the second splicing groove 22, inserting one side of the steel wire mesh 23 into the groove walls of the first splicing groove 21 and the second splicing groove 22, fixing the steel wire mesh 23 on the bottoms of the first splicing groove 21 and the second splicing groove 22, increasing the combination between the bottoms of the first splicing groove 21 and the second splicing groove 22 and a newly poured road section, and enabling the gap between the newly poured road section and the bottoms of the first splicing groove 21 and the second splicing groove 22 to be smaller.
And S3, pouring the retaining wall 3 by using concrete on the side of the new roadbed 2 far away from the old road section 1, welding the side of the new roadbed 2 far away from the old road section 1 by using reinforcing steel bars to form a reinforcing net 31 before pouring the retaining wall 3, and pouring concrete on the reinforcing net 31 to form the retaining wall 3 after fixing the reinforcing net 31. When pouring on new road bed 2, retaining wall 3 can block the concrete, and the highway section shaping of conveniently watering newly can avoid the concrete loss, and reinforcing net 31 can increase retaining wall 3's bulk strength simultaneously.
In order to increase the binding force between the newly cast road section and the retaining wall 3, the connecting net 36 is fixed on the surface of the retaining wall 3 close to the old road section 1, the fixing ribs 32 penetrate through the connecting net 36, and when concrete is cast on the new roadbed 2, the binding force between the retaining wall 3 and the newly cast road section can be increased through the connecting net 36, so that the gap between the retaining wall 3 and the newly cast road section is smaller, and the retaining wall 3 is more stable.
When the concrete that waters newly can appear expanding when solidifying, extrude barricade 3, in order to reduce the possibility that barricade 3 appears collapsing when receiving the extrusion, it has many fixed muscle 32 to weld along self length direction on reinforcing net 31 to with fixed muscle 32 keep away from the one end of reinforcing net 31 and insert old highway section 1, fixed muscle 32 can apply the pulling force to barricade 3, can reduce the possibility that barricade 3 received collapsing when the extrusion, make pouring of barricade 3 more firm.
In order to enable the retaining wall 3 to be closer to the newly poured road section, the fixing rib 32 extends towards the direction far away from the old road section 1 and penetrates through the retaining wall 3, a fastening block 33 is sleeved at one end, penetrating through the retaining wall 3, of the fixing rib 32, the fastening block 33 abuts against the side face of the retaining wall 3, supporting force towards the old road section 1 can be provided for the retaining wall 3, and the retaining wall 3 can be closer to the newly poured road section. The possibility that the retaining wall 3 is crushed and collapsed can be reduced, and the stability of the retaining wall 3 is further improved.
The side of the retaining wall 3, which is far away from the old road section 1, is provided with a reinforcing plate 34 along the length direction, the fixing rib 32 is inserted into the reinforcing plate 34, the side of the reinforcing plate 34, which is far away from the retaining wall 3, is inserted with a fixing rod 35, the fixing rod 35 penetrates through the reinforcing plate 34 and then is inserted into the fixing rib 32 in a threaded manner, and the fastening block 33 is sleeved on the fixing rod 35 in a threaded manner and abuts against the reinforcing plate 34. Fix gusset plate 34 on barricade 3, gusset plate 34 can increase the area of contact between fastening block 33 and the barricade 3, can provide bigger holding power for barricade 3, has further increased the steadiness of barricade 3, and dead lever 35 screw thread is inserted and is established on fixed muscle 32 simultaneously, makes things convenient for follow-up to pull down dead lever 35 from barricade 3.
S4, paving 4% cement stabilized graded broken stones on the first splicing groove 21 to form the sub-base layer 24, wherein the sub-base layer is flush with the old road section 1 at the bottom of the second splicing groove 22, the sub-base layer 24 paved by the 4% cement stabilized graded broken stones has good load capacity, can bear large gravity, and can enable the newly poured road section to have higher strength.
In order to make the subbase layer 24 and the groove wall of the first splicing groove 21 more stable, a reinforcing component 5 is arranged on the groove bottoms of the subbase layer 24 and the second splicing groove 22, the reinforcing component 5 comprises a connecting plate 51 and an anchor rod 52, the two sides of the connecting plate 51 are respectively abutted on the subbase layer 24 and the groove bottom of the second splicing groove 223, and the connecting plate 51 is arranged on the second splicing groove 22 in a bent manner and abutted on the groove bottom of the second splicing groove 22.
Connecting plate 51 road length direction extends the setting, and stock 52 is along vertical direction welded fastening in the both sides of connecting plate 51, and stock 52 is provided with many and evenly sets up along connecting plate 51 length direction. Insert the stock 52 at connecting plate 51 both ends respectively in the tank bottom of basement layer 24 and second splice groove 22, connecting plate 51 links together the tank bottom of subbase layer 24 and second splice groove 22 for the laying of subbase layer 24 is more firm, and connecting plate 51 also can play waterproof effect to the junction of subbase layer 24 and first splice groove 21 simultaneously, can reduce the possibility that water caused the damage to the road inside from the gap infiltration.
S5, use 5.5% cement to stabilize graded broken stone and lay and form basic unit 25 on the tank bottom of subbase 24 and second splice groove 22, basic unit 25 flushes with old road section 1, when laying basic unit 25, the basic unit can bury connecting plate 51 underground, combine inseparabler with connecting plate 51 on connecting plate 51 in order to make basic unit 25 lay, be provided with many circular conical protruding thorns 53 on connecting plate 51, protruding thorns 53 can increase the cohesion between basic unit 25 and the connecting plate 51, make to combine more firmly between basic unit 25 and the connecting plate 51.
S6, the anti-cracking paste 42 is pasted at the joint of the base layer 25 and the old road section 1, the anti-cracking paste 42 can pull the base layer 25 and the old road section 1, the possibility of fracture between the base layer 25 and the old road section 1 can be reduced, and a waterproof effect can be achieved. The surface course 4 is formed by paving the old road section 1 and the base course 25 by using asphalt concrete, and the surface course 4 covers the base course 25 and the old road section 1, so that the base course 25 and the old road section 1 form a whole, and the stability between a newly poured road section and the old road section 1 can be further improved.
And S7, paving the surface layer 4 with asphalt mastic macadam to form a new road surface 41.
The implementation principle of the rural old road reconstruction construction method is as follows: digging step-shaped new road foundations 2 on two sides of the old road section 1, fixing a reinforcing net 31 on one side of the new road foundations 2 far away from the old road section 1, pouring concrete on the reinforcing net 31 to form a retaining wall 3, fixing steel wire meshes 23 at the bottoms of the first splicing grooves 21 and the second splicing grooves 22, and inserting fixing ribs 32 into the old road section 1 for fixing. The method comprises the steps of paving an underlayer 24 in a first splicing groove 21, installing a reinforcing component 5 on the bottoms of the underlayer 24 and a second splicing groove 22, installing the reinforcing component 5, paving a base layer 25 on the bottoms of the underlayer 24 and the second splicing groove 22, pasting an anti-cracking sticker 42 at the joint of the base layer 25 and an old road section 1, paving a surface layer 4 on the base layer 25 and the old road section 1, and paving a new road surface 41 on the surface layer 4.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A reconstruction construction method for an old road in a rural area comprises an old road section (1), and is characterized by comprising the following steps:
s1, digging step-shaped first splicing grooves (21) and second splicing grooves (22) on two sides of the old road section (1) to form a new road bed (2), and compacting the bottoms of the first splicing grooves (21) and the second splicing grooves (22);
s2, laying a steel wire mesh (23) at the bottoms of the first splicing groove (21) and the second splicing groove (22), and inserting one side of the steel wire mesh (23) into the walls of the first splicing groove (21) and the second splicing groove (22);
s3, using concrete to pour a retaining wall (3) on one side of the new road base (2) far away from the old road section (1);
s4, paving 4% cement stabilized graded broken stones on the first splicing groove (21) to form a subbase layer (24), and enabling the subbase layer to be flush with the old section (1) at the bottom of the second splicing groove (22);
s5, paving 5.5% cement stabilized graded broken stones on the bottoms of the subbase layer (24) and the second splicing grooves (22) to form a base layer (25), wherein the base layer (25) is flush with the old road section (1);
s6, attaching an anti-crack sticker (42) at the joint of the base layer (25) and the old road section (1), and paving asphalt concrete on the old road section (1) and the base layer (25) to form a surface layer (4);
and S7, paving the surface layer (4) with asphalt mastic macadam to form a new road surface (41).
2. The rural old road reconstruction construction method according to claim 1, characterized in that: the groove bottoms of the first splicing groove (21) and the second splicing groove (22) are obliquely arranged in the direction far away from the retaining wall (3).
3. The rural old road reconstruction construction method according to claim 1, characterized in that: be equipped with in barricade (3) and add reinforcing net (31), one side that reinforcing net (31) is close to new road bed (2) is equipped with many fixed muscle (32) along the length direction of barricade (3), fixed muscle (32) are kept away from the one end of adding reinforcing net (31) and are inserted and locate in old highway section (1).
4. The rural old road reconstruction construction method according to claim 3, characterized in that: the one end that new road bed (2) were kept away from in fixed muscle (32) extends barricade (3), the one end screw thread that barricade (3) were extended in fixed muscle (32) is equipped with fastening block (33), fastening block (33) are contradicted in barricade (3).
5. The rural old road reconstruction construction method according to claim 4, characterized in that: one side that new road bed (2) were kept away from in barricade (3) is equipped with gusset plate (34) along self length direction, fixed muscle (32) are inserted and are located gusset plate (34), one side that barricade (3) were kept away from in gusset plate (34) is equipped with dead lever (35), dead lever (35) are passed gusset plate (34) and the screw thread is inserted and are located fixed muscle (32), fastening block (33) thread bush is taken photograph on dead lever (35) and is contradicted in gusset plate (34).
6. The rural old road reconstruction construction method according to claim 5, characterized in that: one side of the retaining wall (3) close to the new roadbed (2) is provided with a connecting net (36), and the fixing ribs (32) penetrate through the connecting net (36).
7. The rural old road reconstruction construction method according to claim 1, characterized in that: be equipped with between the tank bottom of subbase (24) and second concatenation groove (22) and consolidate subassembly (5), consolidate subassembly (5) including connecting plate (51) and stock (52), the both ends of connecting plate (51) set up respectively on the tank bottom of second concatenation groove (22) of subbase (24), the length direction extension setting of subbase (24) is followed in connecting plate (51), stock (52) set up respectively in the both ends of connecting plate (51), stock (52) insert the tank bottom of locating subbase (24) and second concatenation groove (22) along vertical direction.
8. The rural old road reconstruction construction method according to claim 7, characterized in that: the connecting plate (51) is provided with a plurality of convex thorns (53) along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393758.0A CN114855532A (en) | 2022-04-15 | 2022-04-15 | Reconstruction construction method for old road in rural area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210393758.0A CN114855532A (en) | 2022-04-15 | 2022-04-15 | Reconstruction construction method for old road in rural area |
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| CN202210393758.0A Pending CN114855532A (en) | 2022-04-15 | 2022-04-15 | Reconstruction construction method for old road in rural area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115287965A (en) * | 2022-08-17 | 2022-11-04 | 北京市市政一建设工程有限责任公司 | BIM technology-based new and old road pavement joining construction process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848972A (en) * | 1987-03-20 | 1989-07-18 | Trevi S.P.A. | Process and apparatus for widening roadways |
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| CN214497034U (en) * | 2020-12-16 | 2021-10-26 | 安徽丰达园林工程有限公司 | New and old road bed mosaic structure of road widening |
| CN215668820U (en) * | 2021-08-25 | 2022-01-28 | 重庆西恒工程咨询有限公司 | New and old bituminous paving meets structure |
| CN215906478U (en) * | 2021-09-01 | 2022-02-25 | 武汉市市政路桥有限公司 | Widened and spliced roadbed structure of roadbed |
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| US4848972A (en) * | 1987-03-20 | 1989-07-18 | Trevi S.P.A. | Process and apparatus for widening roadways |
| JP2000080602A (en) * | 1998-09-07 | 2000-03-21 | Teruo Murakami | Filling method of extended ground |
| CN210194361U (en) * | 2019-07-01 | 2020-03-27 | 河南水利与环境职业学院 | Splicing structure for widening new and old roadbeds on road |
| CN214497034U (en) * | 2020-12-16 | 2021-10-26 | 安徽丰达园林工程有限公司 | New and old road bed mosaic structure of road widening |
| CN215668820U (en) * | 2021-08-25 | 2022-01-28 | 重庆西恒工程咨询有限公司 | New and old bituminous paving meets structure |
| CN215906478U (en) * | 2021-09-01 | 2022-02-25 | 武汉市市政路桥有限公司 | Widened and spliced roadbed structure of roadbed |
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| CN115287965A (en) * | 2022-08-17 | 2022-11-04 | 北京市市政一建设工程有限责任公司 | BIM technology-based new and old road pavement joining construction process |
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