CN114855523A - Lifting and reinforcing device and method for subgrade settlement - Google Patents
Lifting and reinforcing device and method for subgrade settlement Download PDFInfo
- Publication number
- CN114855523A CN114855523A CN202210655755.XA CN202210655755A CN114855523A CN 114855523 A CN114855523 A CN 114855523A CN 202210655755 A CN202210655755 A CN 202210655755A CN 114855523 A CN114855523 A CN 114855523A
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- China
- Prior art keywords
- grouting
- moving block
- shear wall
- lifting
- top plate
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000005553 drilling Methods 0.000 claims abstract description 31
- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 238000009415 formwork Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000007569 slipcasting Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/096—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a lifting and reinforcing device and a lifting and reinforcing method for subgrade settlement, which belong to the technical field of road construction, wherein the device comprises an outer plugging shear wall and a grouting support tube, one end of the grouting support tube penetrates through the outer plugging shear wall to form a grouting port, the grouting support tube is in running fit with the outer plugging shear wall, the other end of the grouting support tube is far away from the outer plugging shear wall, extends outwards and is connected to a drilling support part, the grouting support tube is in running fit with the drilling support part, and a grouting hole is formed in the grouting support tube; by driving the grouting supporting pipe to rotate, the grouting supporting pipe can simultaneously drive the first moving block and the second moving block to approach or separate from each other so as to realize jacking or descending of the bottom top plate. The device starts from the side surface of the roadbed, does not need to excavate the upper surface of the roadbed in a large area, and can be used for quickly lifting and repairing the roadbed so as to relieve traffic pressure.
Description
Technical Field
The invention belongs to the technical field of road construction, and particularly relates to a lifting and reinforcing device and method for subgrade settlement.
Background
The uneven settlement of the subgrade is one of the common diseases of subgrade engineering, commonly exists in domestic and foreign highways, and cannot be effectively solved for a long time. Uneven settlement of the roadbed inevitably causes unevenness of the road surface, the existing roadbed can only be excavated and repaired basically after settlement, but the repairing time is too long, and the normal operation of traffic can be seriously influenced.
Disclosure of Invention
In view of the above, the present invention provides a lifting and reinforcing apparatus and method for subgrade settlement, which can be used for quickly lifting and repairing a subgrade from the side of the subgrade without excavating a large area on the upper surface of the subgrade, so as to relieve traffic pressure.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to a lifting and reinforcing device and a method for subgrade settlement, the device comprises an outer plugging shear wall and a grouting support tube, one end of the grouting support tube penetrates through the outer plugging shear wall to form a grouting opening, the grouting support tube is in running fit with the outer plugging shear wall, the other end of the grouting support tube is far away from the outer plugging shear wall and extends outwards and then is connected to a drilling support part, the grouting support tube is in running fit with the drilling support part, and a grouting hole is formed in the grouting support tube; the outer side of the grouting supporting pipe is simultaneously in threaded connection with a first moving block and a second moving block, the first moving block is hinged to the lower side of a bottom top plate through a first connecting rod, the second moving block is hinged to the lower side of the bottom top plate through a second connecting rod, and the grouting supporting pipe can simultaneously drive the first moving block and the second moving block to approach or separate from each other so as to realize jacking or descending of the bottom top plate.
When the device is used, the grouting support pipe is rotated to the inner side of the roadbed along with the drilling support part, the drilling is completed to allow the drilling support part to be clamped into the soil, the grouting support pipe is pulled outwards to enable the grouting support pipe to be in running fit with the drilling support part, the second movable block, the second connecting rod, the bottom top plate, the first movable block and the first connecting rod are sequentially installed, the external plugging shear wall is installed on the side face where the roadbed subsides, the external plugging shear wall rotates for supporting the grouting support pipe, the grouting support pipe simultaneously drives the first movable block and the second movable block to be close to each other, and therefore the bottom top plate is driven through the first connecting rod and the second connecting rod to support the settled roadbed after jacking.
The invention has the beneficial effects that:
the grouting support pipe is arranged, and the grouting support pipe is horizontally drilled and fixed on the side face of the roadbed and serves as an integral support member to temporarily support the top plate at the bottom, so that the roadbed can be prevented from continuously collapsing, and the subsequent filling of concrete or other support media can be facilitated. After drilling is finished, the outer side surface of the roadbed is plugged by the outer plugging shear wall, concrete can be cast in situ below the roadbed by taking the grouting support pipe as a medium, and the purpose of complete support can be achieved.
According to the device, the grouting hole is positioned at one end close to the drilling support part, when the grouting support pipe is drilled, part of water can be introduced at the same time, the soil of the drilled part can be diluted, the drilling is easier, manual rotation and forwarding are possible, and the installation terrain limitation of equipment is reduced.
According to the construction method of the device, the grouting supporting tube is connected with the first moving block and the second moving block through threads, the rotating directions of the first moving block and the second moving block are opposite, so that the first moving block and the second moving block can move relatively, the bottom top plate can be driven to ascend through single rotation, the device is supported stably in a pure mechanical supporting mode, the device is suitable for a severe environment, and the possibility of failure of the device is reduced. Through adopting suitable drilling support component, support tightly at the slip casting stay tube and creep into when support component inwards changeing, both can rotate in step, outwards withdraw from the certain distance after the slip casting stay tube, the slip casting stay tube can be independent again and need not the manual work for drilling the support component rotation and get into the ground downside and operate, easy operation, the security is high.
Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a first schematic structural diagram of the apparatus of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is a second schematic structural view of the apparatus of the present invention;
FIG. 5 is a side view of the apparatus of the present invention;
FIG. 6 is a top view of the apparatus of the present invention;
FIG. 7 is a schematic diagram of a construction of a drilling support member;
figure 8 is a cross-sectional view of a drilling support member.
The drawings are numbered as follows: the outer plugging shear wall comprises an outer plugging shear wall 1, an integrated template 1a, a reinforcement cage 1b, a grouting support pipe 2, a grouting opening 3, a drilling support part 4, an end 4a, a first blade 4b, a through groove 4c, a connecting key 4d, a spring 4e, a base 4f, a grouting hole 5, a first moving block 6, a second moving block 7, a first connecting rod 8, a second connecting rod 9, a first side panel 10, a second side panel 11, a telescopic device 12, a sliding mounting seat 13, a groove-shaped rail 14, a limiting block 15, a fixing block 16, a fixed mounting seat 17, a threaded sleeve 18, a screw 19, an upper pressing plate 20, a support rib 21, a jack 22, a steel bar inserted in situ 23, an anchoring part 24, a key groove 25, a second blade 26 and a bottom top plate 27.
Detailed Description
In embodiment 1, as shown in fig. 1 to 6, the lifting and reinforcing device for subgrade settlement comprises an outer plugging shear wall 1 and a grouting support pipe 2, the whole device is arranged on the side surface of a road, the grouting support pipe 2 is a hollow cylindrical pipe, and one end of the grouting support pipe 2 penetrates through the outer plugging shear wall 1 to form a grouting opening 3 for grouting or water injection. The outer end of the grouting supporting tube 2 is matched with the outer plugging shear wall 1 in a rotating mode, the inner end of the grouting supporting tube 2 is far away from the outer plugging shear wall 1, extends outwards and is connected to the drilling supporting part 4, and the drilling supporting part 4 can drill into soil integrally. After the grouting support pipe 2 is pulled out by a certain length, the grouting support pipe 2 can be in running fit with the drilling support part 4 at the same time.
In the embodiment, the grouting support tube 2 is provided with grouting holes 5 for focusing on concrete or other fluid media to the inner side; the outer side of the grouting support pipe 2 is simultaneously in threaded connection with a first moving block 6 and a second moving block 7, the internal threads of the first moving block 6 and the second moving block 7 are opposite in screwing direction, the first moving block 6 is hinged to the lower side of a bottom top plate 27 through a first connecting rod 8, the second moving block 7 is hinged to the lower side of the bottom top plate 27 through a second connecting rod 9, the grouting support pipe 2 is driven to rotate through driving of the grouting support pipe 2, the grouting support pipe 2 can simultaneously drive the first moving block 6 and the second moving block 7 to approach or separate from each other, and therefore the bottom top plate 27 is jacked or lowered.
In this embodiment, the two sides of the bottom top plate 27 are respectively hinged with the first side plate 10 and the second side plate 11, the first side plate 10 and the second side plate 11 can supplement the area of the bottom top plate 27 to prevent the soil around the settlement subgrade from settling, the expansion devices 12 are respectively arranged between the first moving block 6 and the first side plate 10 and between the first moving block 6 and the second side plate 11, the expansion devices 12 are also arranged between the second moving block 7 and the first side plate 10 and between the second side plate 11, the expansion devices 12 are hydraulic cylinders, pipelines of the expansion devices can penetrate through the outer plugging shear wall 1 to be connected to the outside, of course, the expansion devices 12 can be disposable parts, after the first side plate 10 and the second side plate 11 are supported, concrete or asphalt is poured to complete the supporting mission, and can be directly buried under the foundation in the later period.
In this embodiment, the upper end of the telescopic device 12 is hinged with a sliding mounting seat 13, the sliding mounting seat 13 is slidably clamped on a groove-shaped track 14, the groove-shaped tracks 14 are correspondingly arranged on the first side panel 10 and the second side panel 11, when the first moving block 6 or the second moving block 7 moves, the correspondingly connected telescopic device 12 can also move adaptively, and the two ends of the groove-shaped track 14 are provided with limiting blocks 15, so that the sliding mounting seat 13 can be limited from being separated.
In this embodiment, the middle part of slip casting stay tube 2 is fixed with fixed block 16, the both sides of fixed block 16 are connected to fixed mounting seat 17 through telescoping device 12 respectively, all correspond on first side panel 10 and the second side panel 11 and be provided with fixed mounting seat 17, fixed block 16 is used for carrying out the auxiliary stay to the middle part of first side panel 10 and second side panel 11, improve the supporting effect, can select the fixed block 16 of suitable quantity as required, in order to improve the support stability of whole device, make follow-up construction easier.
Embodiment 2, this embodiment is different from embodiment 1 in that, in this embodiment, at least one set of threaded sleeve 18 is fixedly connected to the lower side of the bottom top plate 27, the threaded sleeve 18 can increase the length matched with the screw 19, the compression of the screw 19 is more stable, a through hole communicated with the threaded sleeve 18 is formed in the bottom top plate 27, the screw 19 is in threaded fit in the threaded sleeve 18, an upper pressing plate 20 is arranged in the middle of the screw 19 in a penetrating manner, when the roadbed is installed, the upper pressing plate 20 can be compressed on the upper side of the roadbed through the screw 19, meanwhile, the roadbed is temporarily supported through the upper pressing plate 20 and the bottom top plate 27, the damage to the roadbed in use can be further reduced, and the upper pressing plate 20 can be removed for direct follow-up construction.
Embodiment 3, this embodiment is different from embodiments 1 and 2 in that, in this embodiment, the outer plugging shear wall 1 includes an integrated formwork 1a and a reinforcement cage 1b disposed in the integrated formwork 1a, the integrated formwork 1a can be directly prefabricated and formed in a factory according to the measurement requirement, and can be produced according to the specification standard, so as to improve the installation efficiency, a rotating sleeve is fixedly penetrated in the middle of the integrated formwork 1a, the grouting support pipe 2 is rotationally matched with the rotating sleeve, and at least one set of support ribs 21 is disposed on the outer side of the integrated formwork 1 a. Run through on the integral type template 1a and be provided with at least a set of jack 22, the current reinforcing bar 23 of inserting of alternate in the jack 22, the one end of inserting reinforcing bar 23 now extends towards the inboard of integral type template 1a to increase the stability after the subgrade bottom concrete is filled, the other end of inserting reinforcing bar 23 now passes through anchor assembly 24 and integral type template 1a fixed connection.
In this embodiment, as shown in fig. 7 and 8, the drilling support member 4 includes an end 4a, first blades 4b are uniformly distributed at the outer end of the end 4a, a through groove 4c is formed in the outer side of the end 4a, a connecting key 4d is slidably arranged on the inner side of the through groove 4c, the connecting key 4d is connected with a base 4f through a spring 4e, the base 4f is fixed at the opening of the through groove 4c, a key groove 25 matched with the connecting key 4d is formed in the grouting support tube 2, the length of the key groove 25 is greater than that of the connecting key 4d, and a second blade 26 is arranged at the outer end of the grouting support tube 2.
A lifting and reinforcing method for subgrade settlement is characterized in that a grouting support pipe 2 is rotated into the inner side of a subgrade along with a drilling support part 4, the drilling is completed, the drilling support part 4 is clamped into soil, the grouting support pipe 2 is pulled outwards to enable the grouting support pipe 2 to be in running fit with the drilling support part 4, a second moving block 7, a second connecting rod 9, a bottom top plate 27, a first moving block 6 and a first connecting rod 8 are sequentially installed, an external plugging shear wall 1 is installed on the side face where the subgrade is settled, the external plugging shear wall 1 serves as a support rotating grouting support pipe 2, the grouting support pipe 2 simultaneously drives the first moving block 6 and the second moving block 7 to be close to each other, and therefore the bottom top plate 27 is driven through the first connecting rod 8 and the second connecting rod 9 to lift up and support the settled subgrade.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a lifting reinforcing apparatus for road bed subsides which characterized in that: the grouting shear wall comprises an outer plugging shear wall and a grouting support tube, wherein one end of the grouting support tube penetrates through the outer plugging shear wall to form a grouting opening, the grouting support tube is in running fit with the outer plugging shear wall, the other end of the grouting support tube extends outwards away from the outer plugging shear wall and is connected to a drilling support part, the grouting support tube is in running fit with the drilling support part, and a grouting hole is formed in the grouting support tube; the outer side of the grouting supporting pipe is simultaneously in threaded connection with a first moving block and a second moving block, the first moving block is hinged to the lower side of a bottom top plate through a first connecting rod, the second moving block is hinged to the lower side of the bottom top plate through a second connecting rod, and the grouting supporting pipe can simultaneously drive the first moving block and the second moving block to approach or separate from each other so as to realize jacking or descending of the bottom top plate.
2. A lifting reinforcement for subgrade settlement according to claim 1, characterized in that: the two sides of the bottom top plate are respectively hinged with a first side panel and a second side panel, telescopic devices are arranged between the first moving block and the first side panel and between the first moving block and the second side panel, and telescopic devices are also arranged between the second moving block and the first side panel and between the second moving block and the second side panel.
3. A lifting reinforcement for subgrade settlement according to claim 2, characterized in that: the upper end of the telescopic device is hinged with a sliding installation seat, the sliding installation seat is clamped on a groove-shaped track in a sliding mode, the groove-shaped track is correspondingly arranged on the first side panel and the second side panel, and limiting blocks are arranged at two ends of the groove-shaped track.
4. A lifting reinforcement for subgrade settlement according to claim 3, characterized in that: the middle part of slip casting stay tube is fixed with the fixed block, the both sides of fixed block are connected to fixed mounting seat through telescoping device respectively, all correspond on first side board and the second side board and be provided with fixed mounting seat.
5. A lifting reinforcement for subgrade settlement according to claim 1, characterized in that: the lower side of the bottom top plate is fixedly connected with at least one group of threaded sleeves, through holes communicated with the threaded sleeves are formed in the bottom top plate, screws are matched with the threads in the threaded sleeves in a threaded mode, and an upper pressing plate penetrates through the middle of each screw.
6. A lifting reinforcement for subgrade settlement according to claim 1, characterized in that: the outer blocking shear wall comprises an integrated template and a reinforcement cage arranged in the integrated template, a rotating sleeve is fixedly arranged in the middle of the integrated template in a penetrating mode, the grouting supporting tube is in running fit with the rotating sleeve, and at least one group of supporting ribs is arranged on the outer side of the integrated template.
7. A lifting and strengthening device for the settlement of foundations as claimed in claim 6, in which: the integrated formwork is provided with at least one group of jacks in a penetrating mode, the existing inserted steel bars are inserted into the jacks in a penetrating mode, one ends of the existing inserted steel bars extend towards the inner side of the integrated formwork, and the other ends of the existing inserted steel bars are fixedly connected with the integrated formwork through anchoring parts.
8. A lifting and strengthening device for the settlement of foundations as claimed in any one of claims 1 to 7 in which: the drilling support component comprises an end, first blades are evenly distributed at the outer end of the end, a through groove is formed in the outer side of the end, a connecting key is arranged on the inner side of the through groove in a sliding mode and connected with a base through a spring, the base is fixed at the opening of the through groove, a key groove matched with the connecting key is formed in the grouting support pipe, the length of the key groove is larger than that of the connecting key, and second blades are arranged at the outer end of the grouting support pipe.
9. A lifting and reinforcing method for subgrade settlement is characterized by comprising the following steps: the grouting support pipe is rotated to the inner side of the roadbed along with the drilling support part, the drilling is completed to allow the drilling support part to be clamped into the soil, the grouting support pipe is pulled outwards to enable the grouting support pipe to be in running fit with the drilling support part, the second movable block, the second connecting rod, the bottom top plate, the first movable block and the first connecting rod are sequentially installed, the external plugging shear wall is installed on the side face where the roadbed subsides, the external plugging shear wall rotates for supporting the grouting support pipe, the grouting support pipe drives the first movable block and the second movable block to be close to each other, and therefore the bottom top plate is driven through the first connecting rod and the second connecting rod to support the settled roadbed after jacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210655755.XA CN114855523B (en) | 2022-06-10 | 2022-06-10 | Lifting and reinforcing device and method for roadbed settlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210655755.XA CN114855523B (en) | 2022-06-10 | 2022-06-10 | Lifting and reinforcing device and method for roadbed settlement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114855523A true CN114855523A (en) | 2022-08-05 |
| CN114855523B CN114855523B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210655755.XA Active CN114855523B (en) | 2022-06-10 | 2022-06-10 | Lifting and reinforcing device and method for roadbed settlement |
Country Status (1)
| Country | Link |
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| CN (1) | CN114855523B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008392A (en) * | 1998-04-23 | 2000-01-11 | Hitachi Cable Ltd | Horizontal interlocking expansion timbering member |
| KR101070072B1 (en) * | 2011-02-15 | 2011-10-04 | (주)한토건설 | A multistaged equipment of pipe grouting by double packer system and its construction |
| KR20120100063A (en) * | 2011-03-02 | 2012-09-12 | 주식회사 장평건설 | An anchor assembly |
| CN103031792A (en) * | 2013-01-05 | 2013-04-10 | 北京航空航天大学 | Method and device for lifting roadbed settlement of existing road |
| CN110241662A (en) * | 2018-10-19 | 2019-09-17 | 北京恒祥宏业基础加固技术有限公司 | A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling method |
| CN111472221A (en) * | 2020-04-15 | 2020-07-31 | 陕西融创交通科技有限公司 | Subgrade settlement treatment method |
| CN212452800U (en) * | 2020-05-29 | 2021-02-02 | 江苏大隆鑫建设集团有限公司 | Foundation slab subsides post-cast strip supporting construction |
| CN112941976A (en) * | 2019-12-11 | 2021-06-11 | 北京恒祥宏业基础加固技术有限公司 | Construction method for settlement, lifting and reinforcement of high-speed railway foundation in karst area |
-
2022
- 2022-06-10 CN CN202210655755.XA patent/CN114855523B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008392A (en) * | 1998-04-23 | 2000-01-11 | Hitachi Cable Ltd | Horizontal interlocking expansion timbering member |
| KR101070072B1 (en) * | 2011-02-15 | 2011-10-04 | (주)한토건설 | A multistaged equipment of pipe grouting by double packer system and its construction |
| KR20120100063A (en) * | 2011-03-02 | 2012-09-12 | 주식회사 장평건설 | An anchor assembly |
| CN103031792A (en) * | 2013-01-05 | 2013-04-10 | 北京航空航天大学 | Method and device for lifting roadbed settlement of existing road |
| CN110241662A (en) * | 2018-10-19 | 2019-09-17 | 北京恒祥宏业基础加固技术有限公司 | A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling method |
| CN112941976A (en) * | 2019-12-11 | 2021-06-11 | 北京恒祥宏业基础加固技术有限公司 | Construction method for settlement, lifting and reinforcement of high-speed railway foundation in karst area |
| CN111472221A (en) * | 2020-04-15 | 2020-07-31 | 陕西融创交通科技有限公司 | Subgrade settlement treatment method |
| CN212452800U (en) * | 2020-05-29 | 2021-02-02 | 江苏大隆鑫建设集团有限公司 | Foundation slab subsides post-cast strip supporting construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114855523B (en) | 2024-06-04 |
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