CN214193981U - Roadbed structure is widened to side slope road fill side - Google Patents
Roadbed structure is widened to side slope road fill side Download PDFInfo
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- CN214193981U CN214193981U CN202023055970.1U CN202023055970U CN214193981U CN 214193981 U CN214193981 U CN 214193981U CN 202023055970 U CN202023055970 U CN 202023055970U CN 214193981 U CN214193981 U CN 214193981U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 73
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- 229920003023 plastic Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
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Abstract
The utility model provides a side slope road fill side widening roadbed structure, which comprises a widening roadbed base arranged at the side edge of an original roadbed and a plurality of reinforcing components arranged on the widening roadbed base in an overlapping way, wherein each reinforcing component comprises a reinforcing plate and a supporting rod used for supporting the reinforcing plate, a plurality of chutes are preset in the reinforcing plate, reinforcing rods are arranged in the chutes, earth filling space is arranged between every two adjacent reinforcing plates, the diameter of one end of each reinforcing rod, which is far away from the original roadbed, is larger than that of one end, which is close to the original roadbed, and the end, which is large in diameter, of each reinforcing rod is formed with external threads and is in threaded connection with the chutes, and the reinforcing rods are provided with threaded holes along the length direction in a penetrating way; a plurality of anchor rods are inserted into the original roadbed, and the end parts of the free sections of the anchor rods are in threaded connection with the reinforcing rods. The method has the effect of improving the problem that the widened roadbed has a relatively unstable phenomenon.
Description
Technical Field
The application relates to the technical field of road engineering, in particular to a side slope road filling side widening roadbed structure.
Background
The road is an important ring for building capital construction facilities, and has an important function of leading the development of national economy. However, with the development of national economy, the old roads with limited width and long time can not fully play the guiding role, so that the old roads are imperative to expand.
The patent of Chinese utility model with application number 201922044552.3 discloses a side slope road fill side widening roadbed structure, which comprises a widening roadbed arranged at the side edge of the original roadbed and a reinforcing plate arranged inside the widening roadbed; a reinforced foundation pit is excavated at the bottom end of the widened roadbed; the bottom that the former roadbed one side was kept away from to the gusset plate is provided with the bracing piece that supports the gusset plate, the middle reservation of gusset plate has the spout, sliding connection has the gusset rod that can insert in the former roadbed in the spout.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the reinforcing rod is connected with the original roadbed in an inserting mode, so that the connectivity of the reinforcing plate and the original roadbed is relatively weak, and the phenomena of settlement and instability possibly occur in the widened roadbed structure in the long-term use process.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that there is the relative unstable phenomenon in widening the road bed, this application provides a side slope road fills side and widens road bed structure.
The application provides a side slope road fills side and widens roadbed structure adopts following technical scheme:
a side slope road filling side widening roadbed structure comprises a widening roadbed base arranged on the side edge of an original roadbed and a plurality of reinforcing assemblies overlapped on the widening roadbed base, wherein each reinforcing assembly comprises a reinforcing plate and a supporting rod used for supporting the reinforcing plate, a plurality of sliding grooves are preset in the reinforcing plates, reinforcing rods are arranged in the sliding grooves, earth filling space is arranged between every two adjacent reinforcing plates, the diameter of one end, far away from the original roadbed, of each reinforcing rod is larger than that of one end, close to the original roadbed, of each reinforcing rod, an external thread is formed at the end, with the larger diameter, of each reinforcing rod, the end of each reinforcing rod is in threaded connection with the corresponding sliding groove, and threaded holes are formed in the reinforcing rods in a penetrating mode in the length direction; a plurality of anchor rods are inserted into the original roadbed, and the end parts of the free sections of the anchor rods are in threaded connection with the reinforcing rods.
Through adopting above-mentioned technical scheme, bury underground in the stock and the anchor strut threaded connection of former road bed, anchor strut and gusset plate threaded connection, be connected former road bed and whole road bed structure of widening through stock and anchor strut promptly, it is relatively better for the mode connection effect through inserting the dead lever among the correlation technique for whole road bed structure is relatively more stable.
Preferably, the anchor rod is provided with a drain hole communicated with the threaded hole.
Through adopting above-mentioned technical scheme, usable wash port is discharged the ponding that appears in the former road bed to prevent the phenomenon that causes the settlement because of the water pressure risees in the former road bed, and then improve whole roadbed structure's stability relatively.
Preferably, a drainage blind pipe is arranged at the end part of the anchor rod anchoring section, one end of the drainage blind pipe is communicated with the drainage hole, one end of the drainage blind pipe communicated with the drainage hole is connected to the anchor rod, and the other end of the drainage blind pipe is closed.
By adopting the technical scheme, the drainage blind pipe is arranged, so that the probability that water in the original roadbed permeates into the drainage hole and is finally drained is increased.
Preferably, the end of the anchoring section of the anchor rod is radially formed with a stop ring, and the diameter of the stop ring is equal to the bore diameter of the anchor hole for installing the anchor rod.
Preferably, the reinforcing plate is stretched out to the one end that former road bed was kept away from to the anchor strut, just the one end threaded connection that the anchor strut stretches out the reinforcing plate has the blanking cover, a plurality of water holes have been seted up to the blanking cover.
Preferably, a plurality of steps are formed on one side of the original roadbed close to the widened roadbed base, the steps are arranged in a ladder shape, grooves are formed on the step surfaces of the steps in a concave mode, and one end, close to the original roadbed, of the earth filling space extends into the grooves.
Preferably, one end of the groove along the arrangement direction of the original roadbed inclines downwards.
Preferably, the reinforcing plate is provided with a plurality of connecting holes along the thickness direction thereof.
By adopting the technical scheme, when the filled earthwork is filled, the upper and lower filled earthwork of the reinforcing plate are connected through the connecting hole, so that the connectivity of the adjacent filled earthwork is enhanced.
Preferably, the connecting hole is internally and vertically provided with a mounting rod, the mounting rod comprises a sleeve rod and a core rod which are coaxial and are in threaded connection at the end parts, and the sleeve rod and the core rod are respectively provided with a plurality of fixing rods.
Through adopting above-mentioned technical scheme, utilize installation pole and dead lever to make gusset plate and the equal reinforcing of the connectivity of upper and lower earth fill, and then relatively more stable.
Preferably, a plurality of foundation piles are vertically arranged in the widened roadbed base.
In summary, the present application includes at least one of the following beneficial technical effects:
the original roadbed and the whole widened roadbed are indirectly connected by arranging the anchor rods fixed with the original roadbed and the fixing rods in threaded connection with the anchor rods and the reinforcing plates, so that the connectivity of the whole widened roadbed and the original roadbed is relatively enhanced, and the problem that the widened roadbed is relatively unstable is solved; the drainage blind pipes, the drainage holes and the threaded holes which are communicated with each other are utilized to discharge water seeped in the original roadbed, so that the phenomenon that the original roadbed is settled and unstable and then the whole roadbed is settled and unstable due to the rise of water pressure in the original roadbed in the long-term use process is reduced; make widening the road bed base relatively more stable through setting up the foundation pile to the setting is fixed with a plurality of erection poles of dead lever and is connected a plurality of earth packings and a plurality of gusset plate are indirect, makes whole stability of widening the road bed further increase.
Drawings
FIG. 1 is a first partial cross-sectional structural schematic view of an embodiment of the present application;
FIG. 2 is a second partial cross-sectional structural schematic view of an embodiment of the present application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the above drawings: 1. an original roadbed; 11. a step; 12. a trench; 2. widening a roadbed base; 21. foundation piles; 3. a reinforcement assembly; 31. a reinforcing plate; 311. a chute; 3111. a steel pipe; 312. a reinforcing rod; 3121. a threaded hole; 313. blocking the cover; 314. fine water pores; 315. connecting holes; 316. mounting a rod; 3161. a loop bar; 3162. a core bar; 3163. fixing the rod; 32. a support bar; 4. filling earth; 5. an anchor rod; 51. a drain hole; 511. reinforcing ribs; 52. a drainage blind pipe; 53. a retainer ring; 6. geogrid.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Referring to fig. 1, an embodiment of the present application provides a slope road fill side widened subgrade structure, including a widened subgrade base 2 arranged at a side edge of an original subgrade 1 and a plurality of reinforcement assemblies 3 arranged on the widened subgrade base 2, wherein the widened subgrade base 2 is connected with a bottom part of the original subgrade 1 and serves as a bottom layer load-bearing structure of the widened subgrade; the reinforcing component 3 is used for enhancing the stability of the whole widened roadbed structure; earth fillings 4 are filled between the two adjacent reinforcing assemblies 3; from the bottom up, the widened roadbed base 2, the plurality of reinforcement assemblies 3 arranged at intervals and the plurality of earth fills 4 form a widened roadbed structure on the fill side. A plurality of steps 11 which are arranged in a ladder shape are dug and formed on the side edge of the original roadbed 1 so as to relatively ensure the stability of the original roadbed 1 in a mode of being narrow at the top and wide at the bottom; and the step surface of the step 11 is recessed to form a groove 12, so that after the filled earthwork 4 is filled, one end of the filled earthwork 4 sinks into the groove 12, and the original roadbed 1 and the new roadbed are tied to enhance the connectivity and stability of the new roadbed and the old roadbed; along the direction of arranging of former road bed 1, slot 12 slopes for can discharge fast behind the groundwater infiltration slot 12 in former road bed 1, prevent the interior water pressure increase of road bed, lead to the ground unstable. A plurality of foundation piles 21 are vertically arranged in the widened roadbed base 2, the foundation piles 21 are of a reinforced concrete structure, and the plurality of foundation piles 21 are arranged along the arrangement direction of the original roadbed 1 so as to enhance the stability of the widened roadbed base 2.
Referring to fig. 1 and 2, the reinforcement assembly 3 includes a reinforcement plate 31, and the reinforcement plate 31 is a precast concrete plate and is disposed laterally; in the manufacturing process, a plurality of sliding grooves 311 are reserved in the middle of the reinforcing plate 31, and the sliding grooves 311 are T-shaped grooves and penetrate through the reinforcing plate 31 along the length direction of the reinforcing plate 31; the end of the chute 311 far away from the original roadbed 1 has a larger diameter and is inclined downwards, a steel pipe 3111 with an inner diameter larger than the minimum diameter of the chute 311 is embedded in the end with the larger diameter, and an internal thread is formed on the steel pipe 3111. A reinforcing rod 312 is slidably connected in the sliding groove 311, the reinforcing rod 312 is in a T shape, and one end with a smaller diameter is slidably connected in the sliding groove 311 and extends out of the sliding groove 311; the larger diameter end is threaded into steel pipe 3111 and extends out of steel pipe 3111. The reinforcing rod 312 has a threaded hole 3121 formed therethrough in the longitudinal direction.
Referring to fig. 2 and 3, a blocking cover 313 is screwed to one end of the reinforcing rod 312 extending out of the steel pipe 3111, and a plurality of fine water holes 314 are formed in the blocking cover 313 to prevent foreign objects from entering the threaded hole 3121 and blocking the threaded hole 3121. And a geogrid 6 is fixed at one end of the reinforcing rod 312 extending out of the steel pipe 3111 to reinforce a new side slope formed after filling is completed, so that the loss of earthwork is reduced, and the stability of the side slope is improved.
Referring to fig. 1, the reinforcing plate 31 has a plurality of connecting holes 315 formed therethrough in a thickness direction thereof, so that the upper and lower sides of the reinforcing plate 31 are connected to each other through the earthwork 4, thereby relatively enhancing the connectivity between the adjacent earthwork 4. A mounting rod 316 is vertically arranged in the connecting hole 315, the mounting rod 316 comprises a sleeve rod 3161 and a core rod 3162 which are coaxial and are in threaded connection at the ends, the sleeve rod 3161 is positioned in the earth-filled space 4 on the lower side of the reinforcing plate 31, and the upper earth-filled space 4 and the lower earth-filled space 4 are further connected through the mounting rod 316; and a plurality of fixing rods 3163 are welded in the radial direction of the sleeve rod 3161 and the core rod 3162, and the fixing rods 3163 are embedded in the earth fill 4, so that the stability of the earth fill 4 is relatively stronger.
The reinforcing component 3 further comprises a support rod 32, wherein the support rod 32 is vertically supported at one end of the reinforcing plate 31 far away from the original roadbed 1 and is embedded in the earth fill 4 so as to enhance the stability of the reinforcing plate 31 and support the upper earth fill 4 relatively stably. The bottom end of the support rod 32 at the lowest part is buried in a groove reserved at the top of the foundation pile 21, so that the connectivity between the support rod 32 at the lowest part and the foundation pile 21 is enhanced, and the roadbed structure is more stable.
Referring to fig. 2 and 4, a plurality of anchor rod holes are preset in the roadbed 1, and the openings of the anchor rod holes are inclined downwards. An anchor rod 5 is inserted into the anchor rod hole, an anchoring section of the anchor rod 5 is fixed in the anchor rod hole through a grouting method, and the free end of the anchor rod 5 is formed with external threads and is in threaded connection with one end of the reinforcing rod 312 with a smaller diameter, so that the original roadbed 1 and the reinforcing plate 31 are indirectly and fixedly connected through the anchor rod 5 and the reinforcing rod 312, and the stability of the roadbed is enhanced. The anchor rod 5 is provided with a drain hole 51 along the length direction in a penetrating way, and the drain hole 51 is communicated with the threaded hole 3121; when seeper seeps out from the original roadbed 1, the water can be discharged into the threaded hole 3121 through the water discharge hole 51, and then the water is discharged, so that the water pressure in the original roadbed 1 is relatively reduced, and the stability of the original roadbed 1 is relatively enhanced. A plurality of ribs 511 are formed in the water discharge hole 51 of the anchor 5, and the ribs 511 extend in the length direction of the anchor 5 without penetrating the anchoring section of the anchor 5, so that the strength of the anchor 5 is increased by the ribs 511.
The end part of the anchoring section of the anchor rod 5 is provided with a drainage blind pipe 52, the drainage blind pipe 52 is made into various types and multifunctional geotechnical products by using synthetic fibers, plastics, synthetic rubber and the like as raw materials through different process methods, and the geotechnical products are hydrophobic in material, small in resistance, and extremely high in surface water seepage capability, internal water communication capability, pressure resistance capability and deformation adapting capability; one end of the drainage blind pipe 52 is communicated with the drainage hole 51, and the other end is fixedly connected with the anchor rod 5, namely when the anchor rod 5 is inserted into the anchor rod hole, the drainage blind pipe 52 can be inserted at the same time; the other end of the drainage blind pipe 52 is closed to prevent sand from entering the drainage blind pipe 52 and block the drainage blind pipe 52; by arranging the drainage blind pipe 52, the probability that water in the original roadbed 1 enters the drainage hole 51 and is drained is enhanced, so that the effect of reducing the pressure of the water in the original roadbed 1 is better, the effect of preventing the whole roadbed from genetic water from permeating and deforming is better, and the stability is better.
The stop ring 53 is integrally formed on the anchoring section of the anchor rod 5 along the radial direction, and the diameter of the stop ring 53 is equal to that of the anchor rod hole, so that when the anchor rod 5 is fixed by grouting, the probability that concrete slurry flows into the drainage blind pipe 52 is relatively reduced, namely, the drainage blind pipe 52 is prevented from being blocked by the concrete slurry, and the drainage effect is ensured to be better for a long time.
The embodiment of the application relates to a side slope road fills side and widens roadbed structure's construction principle does: firstly, cleaning an original roadbed 1, chiseling to form a plurality of steps 11 and a plurality of anchor rod holes for inserting anchor rods 5, and tamping the steps 11 and the widened roadbed base 2; then inserting the anchor rod 5 with the drainage blind pipe 52 fixed on the anchoring section into the anchor rod hole, and pouring concrete grout, wherein in the pouring process, sundries are prevented from entering the drainage hole 51; then grouting on the widened roadbed base 2 to form a plurality of foundation piles 21; cleaning and tamping the widened roadbed base 2 again, paving and tamping to form a lowermost earth-filling space 4, and meanwhile, pre-burying the support rods 32 and the loop rods 3161 (fixed with the fixing rods 3163); after filling, the top surface of the fill 4 is leveled, then the reinforcing plate 31 is placed on the leveled fill 4, and the reinforcing rods 312 are inserted so that the reinforcing rods 312 are screwed with the free ends of the anchor rods 5 and the reinforcing rods 312 are screwed with the steel pipes 3111, and at the same time, the blocking covers 313 are screwed; then, the core rod 3162 (fixed with the fixing rod 3163) is connected with the sleeve rod 3161 in a threaded mode, filling and leveling of the next earth filling space can be started, and the rest is done in this mode, so that the arrangement of a plurality of reinforcing components and a plurality of earth filling spaces 4 is completed; and finally, paving the geogrid 6 at one end of the reinforcing plate 31, which is far away from the original roadbed 1, fixing the geogrid 6 at one end of the reinforcing rod 312, which extends out of the steel pipe 3111, and reinforcing the filled earthwork to widen the road.
Finally, the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and all the technical solutions of the present application should be covered by the claims of the present application.
Claims (10)
1. The utility model provides a roadbed structure is widened to side slope road fill side, is including setting up at widening roadbed base (2) and overlapping a plurality of reinforcement subassembly (3) that set up on widening roadbed base (2) of former roadbed (1) side, reinforcement subassembly (3) are including gusset plate (31) and bracing piece (32) that are used for supporting gusset plate (31), a plurality of spouts (311) have been preset in gusset plate (31), be provided with in spout (311) gusset rod (312), adjacent two be provided with earth-filled space (4) between gusset plate (31), its characterized in that: the diameter of one end, far away from the original roadbed (1), of the reinforcing rod (312) is larger than that of one end, close to the original roadbed (1), of the reinforcing rod, an external thread is formed at the end, with the larger diameter, of the reinforcing rod (312) and is connected into the sliding groove (311) in a threaded mode, and a threaded hole (3121) penetrates through the reinforcing rod (312) in the length direction; a plurality of anchor rods (5) are inserted into the original roadbed (1), and the end parts of free sections of the anchor rods (5) are in threaded connection with reinforcing rods (312).
2. The slope road fill side widening roadbed structure according to claim 1, wherein: the anchor rod (5) is provided with a drain hole (51) communicated with the threaded hole (3121).
3. The slope road fill side widening roadbed structure according to claim 2, wherein: the anchor rod (5) is characterized in that a drainage blind pipe (52) is arranged at the end part of the anchoring section, one end of the drainage blind pipe (52) is communicated with a drainage hole (51), one end of the drainage blind pipe (52) communicated with the drainage hole (51) is connected to the anchor rod (5), and the other end of the drainage blind pipe (52) is sealed.
4. The slope road fill side widening roadbed structure according to claim 3, wherein: the end part of the anchoring section of the anchor rod (5) is radially formed with a baffle ring (53), and the diameter of the baffle ring (53) is equal to the aperture of an anchor hole for installing the anchor rod (5).
5. The slope road fill side widening roadbed structure according to claim 4, wherein: reinforcing plate (31) is stretched out to reinforcing rod (312) one end of keeping away from former road bed (1), and reinforcing rod (312) stretch out the one end threaded connection of reinforcing plate (31) and have blanking cover (313), a plurality of water holes (314) have been seted up to blanking cover (313).
6. The slope road fill side widening roadbed structure according to claim 5, wherein: one side that former road bed (1) is close to widening road bed base (2) is formed with a plurality of steps (11), and a plurality of steps (11) are the echelonment and arrange, the recessed slot (12) that is formed with of step surface of step (11), fill in one end that earth (4) are close to former road bed (1) and stretch into in the slot (12).
7. The slope road fill side widening roadbed structure according to claim 6, wherein: one end of the groove (12) along the arrangement direction of the original roadbed (1) is inclined downwards.
8. The slope road fill side widening roadbed structure according to claim 7, wherein: the reinforcing plate (31) is provided with a plurality of connecting holes (315) in a penetrating manner along the thickness direction.
9. The slope road fill side widening roadbed structure according to claim 8, wherein: the mounting rod (316) is vertically arranged in the connecting hole (315), the mounting rod (316) comprises a sleeve rod (3161) and a core rod (6162), the ends of the sleeve rod (3161) and the core rod (6162) are coaxially connected in a threaded mode, and a plurality of fixing rods (3163) are arranged on the sleeve rod (3161) and the core rod (6162).
10. The slope road fill side widening roadbed structure according to claim 9, wherein: a plurality of foundation piles (21) are vertically arranged in the widened roadbed base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023055970.1U CN214193981U (en) | 2020-12-17 | 2020-12-17 | Roadbed structure is widened to side slope road fill side |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023055970.1U CN214193981U (en) | 2020-12-17 | 2020-12-17 | Roadbed structure is widened to side slope road fill side |
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| Publication Number | Publication Date |
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| CN214193981U true CN214193981U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023055970.1U Active CN214193981U (en) | 2020-12-17 | 2020-12-17 | Roadbed structure is widened to side slope road fill side |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318990A (en) * | 2022-01-19 | 2022-04-12 | 西安公路研究院有限公司 | Construction waste resource filling method for road widening |
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2020
- 2020-12-17 CN CN202023055970.1U patent/CN214193981U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318990A (en) * | 2022-01-19 | 2022-04-12 | 西安公路研究院有限公司 | Construction waste resource filling method for road widening |
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Denomination of utility model: Slope road filling side widening roadbed structure Granted publication date: 20210914 Pledgee: Industrial and Commercial Bank of China Limited Chongqing Yubei Branch Pledgor: Chongqing vertical and horizontal Engineering Design Co.,Ltd. Registration number: Y2024500000044 |