Soft soil roadbed reinforcing structure
The soft soil subgrade reinforcement structure, which combines vertical well drainage and drainage pipes with expansion joints and through nails, solves the problems of complex construction, low efficiency and uneven reinforcement in traditional methods, and achieves the effects of simplified construction, improved efficiency and uniform reinforcement.
Patent Information
- Application Number
- CN202422969145.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Traditional methods for reinforcing soft soil subgrades involve complex construction processes, large workloads, low efficiency, and uneven reinforcement effects, which affect the service life of roads and driving safety.
The system employs a vertical shaft drainage and drainage pipe structure, which removes soil moisture through compaction. Combined with the design of expansion pipes and through nails, it utilizes a road roller to apply pressure as a whole to achieve uniform reinforcement and avoid regional compaction.
Simplify construction techniques, reduce workload, improve project efficiency, achieve uniform reinforcement, prevent roadbed from softening and collapsing, and improve road stability.
Smart Images
Figure CN223522923U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of road engineering, concretely relates to a soft soil roadbed reinforcing structure. BACKGROUND
[0002] In road construction, the treatment of soft soil roadbed has always been a key issue. Soft soil has characteristics such as high water content, large compressibility and low strength. If effective reinforcement is not carried out, it is easy to cause problems such as excessive settlement of the roadbed and cracking of the pavement, which seriously affects the service life and driving safety of the road. Although traditional soft soil roadbed reinforcement methods such as drainage consolidation method, dynamic compaction method and cement mixing pile method can improve the engineering properties of soft soil to some extent, they have the disadvantages of complex construction process, high engineering quantity, low efficiency and uneven reinforcement effect. Therefore, a new type of soft soil roadbed reinforcing structure is needed to improve the reinforcement effect and stability of the soft soil roadbed. SUMMARY
[0003] To solve the technical problems of complex construction process, high engineering quantity, low efficiency and uneven reinforcement effect, the basic idea of the technical scheme of the utility model is:
[0004] A soft soil roadbed reinforcing structure, comprising a telescopic pipe, a drain pipe and a drain channel, the upper end of the telescopic pipe is fixedly connected with a pressing plate, and a plurality of drain holes are formed in the pipe body of the telescopic pipe, a drain passage is formed in the inside of the drain pipe, and a plurality of through holes are formed in the pipe body of the drain pipe, the diameter of the through holes corresponds to the outer diameter of the telescopic pipe and is movably sleeved with the telescopic pipe, a plurality of square holes are formed in the side wall of the drain channel, the square holes correspond to the drain pipe and are sleeved and installed with the drain pipe, and a stabilizing wing is fixedly connected to the inclined surface on each side below the drain channel.
[0005] As a preferred embodiment of the utility model, a through nail is movably sleeved in the inside of the telescopic pipe, an annular groove is formed in the outer periphery of the upper end of the through nail, a sealing ring is sleeved and installed in the groove, and the sealing ring corresponds to the inner wall of the telescopic pipe and is sealingly sleeved with the telescopic pipe.
[0006] As a preferred embodiment of the utility model, a sliding block groove and a plate hole are formed in the nail body of the through nail from top to bottom, and a containing groove is formed in the inside of the through nail, a push rod is movably sleeved in the inside of the containing groove, a trapezoidal sliding block is fixedly connected to the upper end of the push rod, and the two sides of the trapezoidal sliding block correspond to the sliding block groove and are slidingly sleeved with the sliding block groove.
[0007] As a preferred embodiment of the utility model, an unfolding plate is fixedly connected to the lower end of the push rod, a triangular block is fixedly connected to the outer side of the lower end of the unfolding plate, and the width of the triangular block and the unfolding plate corresponds to the width of the plate hole and is movably sleeved with the plate hole.
[0008] As a preferred embodiment of the utility model, the lower end of the penetrating nail is fixedly connected with a nail head, the upper end of the nail head is fixedly connected with a guide cone, the guide cone corresponds to the lower end of the unfolding plate and is in contact and sliding with the lower end.
[0009] Compared with the prior art, the utility model has the following beneficial effects:
[0010] The utility model discloses a vertical shaft drainage and drainage pipe method, and then through compaction, the water in the soil is "squeezed" and removed, and the method is simple and effective in operation process, and can drain the internal roadbed of the road for a long time, prevents the problem of soft collapse caused by the immersion of the roadbed of the road in the rain season, simultaneously, the design structure only needs to carry out strip slot excavation, and the engineering quantity is less, and the roadbed soil does not need to be completely dug, thereby increasing engineering efficiency, and the structure is evenly laid in the internal roadbed, and only needs to be integrally pressed by a road roller, instead of regional pressing by the dynamic compaction method, thereby avoiding the uneven reinforcement effect.
[0011] The specific embodiments of the utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0012] In the drawings:
[0013] Figure 1 It is a whole three-dimensional effect schematic view of a soft soil roadbed reinforcing structure.
[0014] Figure 2 It is a three-dimensional top view explosion schematic view of a soft soil roadbed reinforcing structure.
[0015] Figure 3 It is a three-dimensional top view explosion schematic view of a soft soil roadbed reinforcing structure.
[0016] Figure 4 It is a three-dimensional top view explosion schematic view of a soft soil roadbed reinforcing structure.
[0017] Figure 5 It is a three-dimensional top view explosion schematic view of a soft soil roadbed reinforcing structure.
[0018] Figure 6 It is a three-dimensional top view explosion schematic view of a soft soil roadbed reinforcing structure.
[0019] Figure 7 It is a three-dimensional top view explosion schematic view of a soft soil roadbed reinforcing structure.
[0020] In the figure: 1, the pressing plate; 2, the telescopic pipe; 3, the drain hole; 4, the through hole; 5, the square hole; 6, the drain pipe; 7, the drain channel; 8, the drainage passage; 9, the stabilizing wing; 10, the sealing ring; 11, the annular groove; 12, the through pin; 13, the sliding block groove; 14, the plate hole; 15, the trapezoidal sliding block; 16, the push rod; 17, the unfolding plate; 18, the triangular block; 19, the guide cone; 20, the pin head. DETAILED DESCRIPTION
[0021] To make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and the following embodiments are used to illustrate the utility model.
[0022] As Figures 1 to 7 shown, a soft soil subgrade reinforcing structure includes a telescopic pipe 2, a drain pipe 6 and a drain channel 7, the upper end of the telescopic pipe 2 is fixedly connected with a pressing plate 1, a plurality of drain holes 3 are formed in the pipe body of the telescopic pipe 2, a drainage passage 8 is formed in the inside of the drain pipe 6, a plurality of through holes 4 are formed in the pipe body of the drain pipe 6, the diameter of the through holes 4 corresponds to the outer diameter of the telescopic pipe 2 and is movably sleeved with the telescopic pipe 2, a plurality of square holes 5 are formed in the side wall of the drain channel 7, the square holes 5 correspond to the drain pipe 6 and are sleeved and installed with the drain pipe 6, and the lower sides of the drain channel 7 are fixedly connected with stabilizing wings 9.
[0023] In the present arrangement, the utility model is through the method of vertical shaft drainage and the drain pipe 6, in through compaction, the water in the soil is "squeezed" and excluded, this method is simple and effective in operation process, and can drain the internal subgrade of the road for a long time, prevent the problem of soft collapse caused by the immersion of the road subgrade in the rain season; at the same time, this design structure only needs to carry out strip groove excavation, the engineering quantity is less, without the need to dig out all the road subgrade soil, the engineering efficiency is increased; in addition, the structure is evenly laid in the internal subgrade, only needs to use the road roller to pressurize the whole, instead of regional pressurization by the dynamic compaction method, avoiding the disadvantage of uneven reinforcement effect.
[0024] As Figures 1 to 7 shown, in the specific embodiment, the inside of the telescopic pipe 2 is movably sleeved with a through pin 12, an annular groove 11 is formed in the upper end of the outer periphery of the through pin 12, a sealing ring 10 is sleeved and installed in the groove of the annular groove 11, and the sealing ring 10 corresponds to the inner wall of the telescopic pipe 2 and is sealingly sleeved with the telescopic pipe 2.
[0025] In the present arrangement, when using the device, first, a drainage ditch 7 is buried on both sides of the roadbed, wherein the stabilizing wing 9 at the lower end of the drainage ditch 7 plays a stabilizing role to prevent the drainage ditch 7 from being turned over due to various external forces in the later period; then, a groove is formed on the surface of the roadbed, the width of the groove is equivalent to the width of the drainage pipe, and the groove is excavated to the bottom of the roadbed, then the penetrating nails 12 are inserted into the bottom of the groove, the distance between the penetrating nails 12 is equal to the distance between the penetrating holes 4, and the penetrating nails 12 need to leave and protrude from the bottom of the groove.
[0026] As shown in Figures 1 to 7 the specific embodiment, a sliding block groove 13 and a plate hole 14 are formed on the nail body of the penetrating nail 12 from top to bottom, and a receiving groove is formed in the interior of the penetrating nail 12, a push rod 16 is movably sleeved in the receiving groove, the upper end of the push rod 16 is fixedly connected with a trapezoidal sliding block 15, and the two sides of the trapezoidal sliding block 15 correspond to and are slidably sleeved with the sliding block groove 13.
[0027] In the present arrangement, the penetrating holes 4 formed on the drainage pipe 6 are aligned with the penetrating nails 12, and the drainage pipe 6 is placed in the bottom of the groove, at this time the penetrating nails 12 are movably inserted into the penetrating holes 4; at this time, the expansion pipe 2 is inserted into the penetrating holes 4, and the expansion pipe 2 is sleeved with the top of the penetrating nail 12, so that the sealing ring 10 seals the gap between the expansion pipe 2 and the top of the penetrating nail 12, wherein the drainage hole 3 is a longitudinal strip-shaped hole, and the edge of the drainage hole 3 is smoothly chamfered to prevent soil from accumulating in the hole.
[0028] As shown in Figures 1 to 7 the specific embodiment, the lower end of the push rod 16 is fixedly connected with a deployment plate 17, the lower end of the deployment plate 17 is fixedly connected with a triangular block 18, and the width of the triangular block 18 and the deployment plate 17 corresponds to and is movably sleeved with the width of the plate hole 14.
[0029] In the present arrangement, after all the structures are laid, the soil in the groove is backfilled, and then the entire road surface is compacted by a road roller to "squeeze" the water in the soil, which flows into the expansion pipe 2 through the drainage hole 3 and is discharged to the drainage ditch 7 through the drainage pipe 6.
[0030] As shown in Figures 1 to 7 the specific embodiment, the lower end of the penetrating nail 12 is fixedly connected with a nail head 20, the upper end of the nail head 20 is fixedly connected with a guide cone 19, and the guide cone 19 corresponds to and slides with the lower end of the deployment plate 17.
[0031] In the present arrangement, as the roadbed subsides during the process, the telescopic pipe 2 is simultaneously depressed, at this time, the lower end of the telescopic pipe 2 pushes the trapezoidal slider 15 to move downwards, then pushes the push rod 16 to cause the lower end of the unfolding plate 17 to be pressed against the inclined surface of the guide cone 19, so that the unfolding plate 17 is bent, and protrudes and changes the angle through the plate hole 14, preventing the roadbed from subsiding excessively, and playing a role of further reinforcing the roadbed, wherein the triangular block 18 plays a role of pressing the unfolding plate 17 inward during the process of inserting the penetrating nail 12 into the bottom of the slot, preventing the unfolding plate 17 from unfolding too early.
[0032] The implementation principle of the soft soil roadbed reinforcing structure of the embodiment is as follows:
[0033] The utility model discloses a vertical shaft drainage and the method of drain pipe 6, in through compaction, the water in the soil is " squeezed " and is excluded, this method operation process simple and effective, and can long -term to the road internal roadbed drainage, prevent the problem that the road roadbed is immersed in water and occurs soft subsidence in rainy season, simultaneously this design structure only needs to carry out strip -shaped groove excavation, and the engineering quantity is less, does not need to dig out the road roadbed soil completely, increases the engineering efficiency, furthermore this structure evenly is laid in the roadbed interior, only needs to use the road roller to carry out integral pressurization to it, and the regional pressurization is carried out by the dynamic compaction method, avoids the uneven defect of reinforcing effect,
[0034] In use of the device, first, the roadbed is slotted on both sides to bury the drainage ditch 7, wherein the stable wing 9 at the lower end of the drainage ditch 7 plays a stabilizing role to prevent the drainage ditch 7 from being turned over due to various external forces in the later period; then the surface of the roadbed is slotted, the width of the slot is equivalent to the width of the drainage pipe, and the slot is excavated to the bottom of the roadbed, then the penetrating nails 12 are inserted into the bottom of the slot, the distance between the penetrating nails 12 is equal to the distance between the penetrating holes 4, and the penetrating nails 12 need to leave the sealing ring 10 and protrude above the bottom of the slot, then the penetrating holes 4 opened on the drainage pipe 6 are aligned with the penetrating nails 12, and the drainage pipe 6 is placed into the bottom of the slot, at this time the penetrating nails 12 and the penetrating holes 4 are movably inserted; at this time the expansion pipe 2 is inserted into the penetrating hole 4, and the expansion pipe 2 is sleeved with the top of the penetrating nail 12, so that the sealing ring 10 seals the gap between the expansion pipe 2 and the top of the penetrating nail 12, wherein the drainage hole 3 is a longitudinal strip-shaped hole, and the edge of the drainage hole 3 is treated with smooth chamfering to prevent soil from accumulating in the hole; after all the structures are laid, the soil in the slot is backfilled, then the entire road surface is compacted by a road roller to "squeeze" the water in the soil, the water will flow into the expansion pipe 2 through the drainage hole 3, and then be discharged to the drainage ditch 7 through the drainage pipe 6; in this process, as the roadbed sinks, the expansion pipe 2 will be simultaneously pressed down, at this time the lower end of the expansion pipe 2 will push the trapezoidal sliding block 15 to move downward, then the lower end of the unfolding plate 17 is extruded with the inclined surface of the guide cone 19 by pushing the push rod 16, so that the unfolding plate 17 is bent and protrudes and changes the angle through the plate hole 14, preventing the roadbed from sinking excessively, and playing a role of further reinforcing the roadbed, wherein the triangular block 18 plays a role of extruding the unfolding plate 17 inward during the process of inserting the penetrating nail 12 into the bottom of the slot, preventing the unfolding plate 17 from unfolding too early.
Claims
1. A soft soil subgrade reinforcing structure, comprising a telescopic pipe (2), a drain pipe (6) and a drain ditch (7), characterized in that: the upper end of the telescopic pipe (2) is fixedly connected with a pressing plate (1), and a plurality of drain holes (3) are formed in the pipe body of the telescopic pipe (2); the inside of the drain pipe (6) is provided with a drain passage (8), and a plurality of through holes (4) are formed in the pipe body of the drain pipe (6); the diameter of the through holes (4) corresponds to the outer diameter of the telescopic pipe (2) and is movably sleeved with the telescopic pipe (2); a plurality of square holes (5) are formed in the side wall of the drain ditch (7), the square holes (5) correspond to the drain pipe (6) and are sleeved and installed with the drain pipe (6), and a stabilizing wing (9) is fixedly connected to the lower side slope of the drain ditch (7).
2. The soft soil subgrade reinforcing structure according to claim 1, wherein, The inside of the telescopic pipe (2) is movably sleeved with a penetrating nail (12), an annular groove (11) is formed in the outer periphery of the upper end of the penetrating nail (12), a sealing ring (10) is sleeved and installed in the groove of the annular groove (11), and the sealing ring (10) corresponds to the inner wall of the telescopic pipe (2) and is sealingly sleeved with the telescopic pipe (2).
3. The soft soil subgrade reinforcing structure according to claim 2, wherein, A sliding block groove (13) and a plate hole (14) are formed in the nail body of the penetrating nail (12) from top to bottom, and an accommodating groove is formed in the inside of the penetrating nail (12), a push rod (16) is movably sleeved in the inside of the accommodating groove, a trapezoidal sliding block (15) is fixedly connected to the upper end of the push rod (16), and the two sides of the trapezoidal sliding block (15) correspond to the sliding block groove (13) and are slidingly sleeved with the sliding block groove (13).
4. The soft soil subgrade reinforcing structure according to claim 3, characterized in that, A deployment plate (17) is fixedly connected to the lower end of the push rod (16), a triangular block (18) is fixedly connected to the lower outer side of the deployment plate (17), and the width of the triangular block (18) and the deployment plate (17) corresponds to the width of the plate hole (14) and is movably sleeved with the plate hole (14).
5. The soft soil subgrade reinforcing structure according to claim 3, wherein A nail head (20) is fixedly connected to the lower end of the penetrating nail (12), a guide cone (19) is fixedly connected to the upper end of the nail head (20), and the guide cone (19) corresponds to the lower end of the deployment plate (17) and is in contact and sliding with the lower end of the deployment plate (17).