CN220225423U - Automatic container yard gantry crane foundation structure suitable for soft soil foundation - Google Patents
Automatic container yard gantry crane foundation structure suitable for soft soil foundation Download PDFInfo
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- CN220225423U CN220225423U CN202321925411.2U CN202321925411U CN220225423U CN 220225423 U CN220225423 U CN 220225423U CN 202321925411 U CN202321925411 U CN 202321925411U CN 220225423 U CN220225423 U CN 220225423U
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- gantry crane
- sleeper
- soft soil
- rail
- foundation
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- 239000002689 soil Substances 0.000 title claims abstract description 34
- 239000004568 cement Substances 0.000 claims abstract description 49
- 241001669679 Eleotris Species 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 52
- 239000010959 steel Substances 0.000 claims description 52
- 239000004567 concrete Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 239000004575 stone Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011275 tar sand Substances 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to an automatic container yard gantry crane foundation structure suitable for a soft soil foundation, which comprises a gantry crane foundation, wherein the gantry crane foundation is formed on the soft soil foundation by adopting a cement soil stirring method, a rail groove formed by pouring reinforced concrete is arranged on the gantry crane foundation, a first U-shaped groove is formed in the rail groove, a sleeper formed by pouring reinforced concrete is arranged in the first U-shaped groove, a backfill layer is filled between the bottom of the sleeper and the bottom of the first U-shaped groove, a second U-shaped groove is formed in the sleeper, and a rail device is arranged in the second U-shaped groove and is fixed in the sleeper through a pre-buried bolt assembly; the upper end face of the rail groove, the upper end face of the sleeper and the upper end face of the rail device are all positioned on the same plane; the utility model has the advantages of low cost, high construction speed, strong applicability of uneven settlement of the foundation and convenient track adjustment.
Description
Technical Field
The utility model belongs to the technical field of water transport engineering infrastructure, and particularly relates to an automatic container yard gantry crane foundation structure suitable for a soft soil foundation.
Background
At present, with the increasing flourishing of the global container transportation industry, improving the loading and unloading efficiency of a container yard is a target pursued by each port, and the automatic design of the loading and unloading process of the container yard is the most direct and effective mode at present. However, most modern ports are filled into land by blowing, although the land is subjected to strict foundation treatment, differential settlement of different degrees is unavoidable in the later stage, so that the differential settlement of the container gantry crane track foundation is reasonably designed, the gantry crane foundation is effectively reduced, and it is important to meet smooth and efficient operation of the gantry crane.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides an automatic container yard gantry crane foundation structure suitable for soft soil foundations, reduces damages caused by uneven settlement of the foundations as much as possible, and is a key for ensuring engineering progress and use safety of gantry cranes.
The utility model aims at solving the problems that the automatic container yard gantry crane foundation structure suitable for the soft soil foundation comprises a gantry crane foundation, wherein the gantry crane foundation is molded on the soft soil foundation by adopting a cement-soil stirring method, a rail groove formed by pouring reinforced concrete is arranged on the gantry crane foundation, a first U-shaped groove is formed in the rail groove, a sleeper formed by pouring reinforced concrete is arranged in the first U-shaped groove, a backfill layer is filled between the bottom of the sleeper and the bottom of the first U-shaped groove, a second U-shaped groove is formed in the sleeper, a track device is arranged in the second U-shaped groove, and the track device is fixed in the sleeper through an embedded bolt assembly; the upper end face of the rail groove, the upper end face of the sleeper and the upper end face of the rail device are all located on the same plane.
The beneficial effects of the utility model are as follows: compared with the prior art, the gantry crane foundation is molded on the soft soil foundation by adopting a cement soil stirring method, and the rail groove and sleeper structure is adopted, so that the gantry crane foundation has the advantages of low cost, high construction speed, high applicability of uneven settlement of the foundation, convenience in track adjustment and the like, meets the requirements of structural safety and reliability, can effectively solve the problems of broken gantry crane foundation, bent steel rail and the like caused by uneven settlement of the foundation, and provides a new application scheme for an automatic container yard gantry crane foundation structure under the soft soil foundation.
Preferably, the gantry crane foundation comprises a cement stirring pile layer, a graded broken stone cushion layer, a cement stabilized broken stone cushion layer and a concrete cushion layer, wherein the cement stirring pile layer is positioned in the soft soil foundation, the graded broken stone cushion layer is integrally cast and formed on the cement stirring pile layer, the cement stabilized broken stone cushion layer is integrally cast and formed on the graded broken stone cushion layer, and the concrete cushion layer is integrally cast and formed on the cement stabilized broken stone cushion layer; through the structure, the damage caused by uneven settlement of the foundation can be reduced, and the construction method has the advantages of low cost and high construction speed.
Preferably, the cement stirring pile layer is formed by a plurality of cement stirring piles, the cement stirring piles are arranged in a quincuncial shape, and the distance between the pile centers of the adjacent cement stirring piles is 1.4 meters; therefore, the structure between the cement mixing pile layer and the soft soil foundation is more stable.
Preferably, the bottom of the rail groove is provided with an inclined drain pipe, one end of the drain pipe is communicated with the bottom end corner of the first U-shaped groove, and the other end of the drain pipe is communicated with the outer side wall of the rail groove; through the arrangement of the structure, water in the first U-shaped groove can be discharged through the drain pipe.
Preferably, a magnetic nail bracket for positioning an automatic gantry crane is arranged at the top of one side of the rail groove, and a towing rope groove for towing an automatic gantry crane cable is arranged at the top of the other side of the rail groove; thus, the rail groove can be suitable for an automatic gantry crane.
Preferably, the track device comprises a steel rail, a fixed steel backing plate and an adjustable steel backing plate, wherein the adjustable steel backing plate is positioned above the fixed steel backing plate, a cement layer is filled between the two steel backing plates and the inner wall of the second U-shaped groove, the steel rail is arranged on the adjustable steel backing plate through a rubber pad plate, the steel rail is fixed by pressing through a pressing plate assembly, the pressing plate assembly is fixed on the adjustable steel backing plate, and the embedded bolt assembly is inserted on the fixed steel backing plate and the adjustable steel backing plate and limits and fixes the track device in the sleeper; through the arrangement of the structure, the steel rail transmits load through the multilayer structure, so that the surface of the foundation is uniformly stressed, and the generation of uneven settlement is reduced.
Preferably, the embedded bolt assembly comprises an embedded bolt and a positioning steel bar, wherein the bottom of the embedded bolt is in a bent hook shape, the positioning steel bar is embedded in the sleeper, and the bottom of the embedded bolt is hooked on the positioning steel bar to position the embedded bolt; this results in a better connection stability between the rail device and the sleeper.
Drawings
Fig. 1 is a schematic diagram of the front view of the basic structure of a gantry crane of an automated container yard according to the present utility model.
Fig. 2 is a schematic diagram of a front view of a track device according to the present utility model.
Fig. 3 is a schematic side view of the track set of the present utility model.
The reference numerals in the drawings are respectively: 1. gantry crane foundation; 2. a soft soil foundation; 3. a rail groove; 4. sleeper; 5. returning the filler layer; 6. a track device; 7. embedding a bolt assembly; 8. a drain pipe; 9. a magnetic nail bracket; 10. a streamer trough; 11. a cement stirring pile layer; 12. grading a crushed stone cushion layer; 13. cement stabilized macadam bedding layers; 14. a concrete cushion layer; 31. a first U-shaped groove; 41. a second U-shaped groove; 61. a steel rail; 62. fixing a steel backing plate; 63. an adjustable steel backing plate; 64. a cement layer; 65. a glue backing plate; 66. a pressure plate assembly; 67. a layer of tar sand; 71. embedding bolts; 72. positioning reinforcing steel bars; 11-1, cement mixing piles.
Detailed Description
The utility model will be described in detail below with reference to the attached drawings: as shown in fig. 1 to 3, the utility model comprises a gantry crane foundation 1, wherein the gantry crane foundation 1 is molded on a soft soil foundation 2 by adopting a cement soil stirring method, a rail groove 3 formed by pouring reinforced concrete is arranged on the gantry crane foundation 1, a first U-shaped groove 31 is formed in the rail groove 3, a sleeper 4 formed by pouring reinforced concrete is arranged in the first U-shaped groove 31, a backfill layer 5 is filled between the bottom of the sleeper 4 and the bottom of the first U-shaped groove 31, a second U-shaped groove 41 is formed in the sleeper 4, a rail device 6 is arranged in the second U-shaped groove 41, and the rail device 6 is fixed in the sleeper 4 through an embedded bolt assembly 7; the upper end face of the rail groove 3, the upper end face of the sleeper 4 and the upper end face of the rail device 6 are all on the same plane.
The cement soil stirring method is a mature method for reinforcing soft soil foundation, and uses cement, lime and other materials as main agents of the peripherizing agent, and adopts special deep stirring machinery to forcedly stir soft soil and curing agent in the foundation in situ, and uses a series of physical-chemical reactions produced between the curing agent and soft soil to make the soft soil harden into high-quality foundation with integrity, water stability and certain strength, so that the uneven settlement of foundation can be effectively reduced. The foundation structure scheme of the sleeper and rail groove gantry crane is widely used for container yards in recent years, and has the advantages of strong applicability to uneven settlement of a foundation, uniform stress on the surface of the foundation is realized by transmitting rail loads through a multilayer structure, uneven settlement is reduced, and rail top elevation can be adjusted by heightening an intermediate layer structure after settlement occurs so as to meet the use requirement of the gantry crane.
The portal crane foundation 1 comprises a cement stirring pile layer 11, a graded broken stone cushion layer 12, a cement stabilized broken stone cushion layer 13 and a concrete cushion layer 14, wherein the cement stirring pile layer 11 is positioned in the soft soil foundation 2, the graded broken stone cushion layer 12 is integrally cast and formed on the cement stirring pile layer 11, the cement stabilized broken stone cushion layer 13 is integrally cast and formed on the graded broken stone cushion layer 12, and the concrete cushion layer 14 is integrally cast and formed on the cement stabilized broken stone cushion layer 13. The cement mixing pile layer 11 is composed of a plurality of cement mixing piles 11-1, the cement mixing piles 11-1 are arranged in a quincuncial shape, and the distance between the pile centers of the adjacent cement mixing piles 11-1 is 1.4 meters. And (3) carrying out foundation treatment on the bottom 4.8m width range of the gantry crane foundation by adopting a cement stirring pile, wherein the diameter of the cement stirring pile is 0.6m, the pile length is 15m, cement parameters are not less than 14%, the pile body of the pile is required to be sampled for 28 days after reinforcement, the unconfined compressive strength is not less than 1.2Mpa, and the bearing capacity characteristic value of a single pile is 180kN.
The bottom of the rail groove 3 is provided with an inclined drain pipe 8, one end of the drain pipe 8 is communicated with the bottom end corner of the first U-shaped groove 31, and the other end of the drain pipe 8 is communicated with the outer side wall of the rail groove 3.
A magnetic nail bracket 9 for positioning the automatic gantry crane is arranged at the top of one side of the rail groove 3, and a towing rope groove 10 for towing an automatic gantry crane cable is arranged at the top of the other side of the rail groove 3.
The track device 6 comprises a steel rail 61, a fixed steel backing plate 62 and an adjustable steel backing plate 63, the adjustable steel backing plate 63 is positioned above the fixed steel backing plate 62, a cement layer 64 is filled between the two steel backing plates and the inner wall of the second U-shaped groove 41, the steel rail 61 is arranged on the adjustable steel backing plate 63 through a cement backing plate 65, the steel rail 61 is pressed and fixed through a pressing plate assembly 66, the pressing plate assembly 66 is fixed on the adjustable steel backing plate 63, the embedded bolt assembly 7 is inserted on the fixed steel backing plate 62 and the adjustable steel backing plate 63, and the track device 6 is limited and fixed in the sleeper 4; an asphalt sand layer 67 is laid above the steel rail 61, the adjustable steel pad 63 and the cement layer 64.
The embedded bolt assembly 7 comprises an embedded bolt 71 and a positioning steel bar 72, the bottom of the embedded bolt 71 is in a bent hook shape, the positioning steel bar 72 is embedded in the sleeper 4, and the bottom of the embedded bolt 71 is hooked on the positioning steel bar 72 to position the embedded bolt 71.
The present utility model is not limited to the above embodiments, and any modification of the structural design provided by the present utility model, regardless of any changes in shape or material composition, should be considered as being within the scope of the present utility model.
Claims (7)
1. The utility model provides an automatic container yard portal crane foundation structure suitable for soft soil foundation, includes portal crane foundation (1), its characterized in that: the method comprises the steps that a gantry crane foundation (1) is formed on a soft soil foundation (2) by adopting a cement soil stirring method, a rail groove (3) formed by pouring reinforced concrete is formed in the gantry crane foundation (1), a first U-shaped groove (31) is formed in the rail groove (3), a sleeper (4) formed by pouring reinforced concrete is arranged in the first U-shaped groove (31), a backfill layer (5) is filled between the bottom of the sleeper (4) and the groove bottom of the first U-shaped groove (31), a second U-shaped groove (41) is formed in the sleeper (4), a track device (6) is arranged in the second U-shaped groove (41), and the track device (6) is fixed in the sleeper (4) through an embedded bolt assembly (7); the upper end face of the rail groove (3), the upper end face of the sleeper (4) and the upper end face of the rail device (6) are all positioned on the same plane.
2. An automated container yard gantry crane foundation structure adapted for soft soil foundations as claimed in claim 1, wherein: the portal crane foundation (1) comprises a cement stirring pile layer (11), a grading gravel cushion layer (12), a cement stabilized gravel cushion layer (13) and a concrete cushion layer (14), wherein the cement stirring pile layer (11) is positioned in a soft soil foundation (2), the grading gravel cushion layer (12) is integrally cast and formed on the cement stirring pile layer (11), the cement stabilized gravel cushion layer (13) is integrally cast and formed on the grading gravel cushion layer (12), and the concrete cushion layer (14) is integrally cast and formed on the cement stabilized gravel cushion layer (13).
3. An automated container yard gantry crane foundation structure adapted for soft soil foundations as claimed in claim 2, wherein: the cement stirring pile layer (11) is composed of a plurality of cement stirring piles (11-1), the cement stirring piles (11-1) are arranged in a quincuncial shape, and the distance between the pile centers of the adjacent cement stirring piles (11-1) is 1.4 meters.
4. An automated container yard gantry crane foundation structure adapted for soft soil foundations as claimed in claim 1, wherein: the bottom of the rail groove (3) is provided with an inclined drain pipe (8), one end of the drain pipe (8) is communicated with the bottom end corner of the first U-shaped groove (31), and the other end of the drain pipe (8) is communicated with the outer side wall of the rail groove (3).
5. An automated container yard gantry crane foundation structure adapted for soft soil foundations as claimed in claim 1, wherein: a magnetic nail bracket (9) for positioning an automatic gantry crane is arranged at the top of one side of the rail groove (3), and a towing rope groove (10) for towing an automatic gantry crane cable is arranged at the top of the other side of the rail groove (3).
6. An automated container yard gantry crane foundation structure adapted for soft soil foundations as claimed in claim 1, wherein: the track device (6) comprises a steel rail (61), a fixed steel backing plate (62) and an adjustable steel backing plate (63), the adjustable steel backing plate (63) is located above the fixed steel backing plate (62), a cement layer (64) is filled between two steel backing plates and the inner wall of the second U-shaped groove (41), the steel rail (61) is installed on the adjustable steel backing plate (63) through the rubber backing plate (65), the steel rail (61) is fixed by pressing through a pressing plate assembly (66), the pressing plate assembly (66) is fixed on the adjustable steel backing plate (63), and the embedded bolt assembly (7) is inserted on the fixed steel backing plate (62) and the adjustable steel backing plate (63) and is limited and fixed in the sleeper (4).
7. An automated container yard gantry crane foundation structure adapted for soft soil foundations as claimed in claim 1, wherein: the embedded bolt assembly (7) comprises an embedded bolt (71) and a positioning steel bar (72), the bottom of the embedded bolt (71) is in a bent hook shape, the positioning steel bar (72) is embedded in the sleeper (4), and the bottom of the embedded bolt (71) is hooked on the positioning steel bar (72) to position the embedded bolt (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925411.2U CN220225423U (en) | 2023-07-21 | 2023-07-21 | Automatic container yard gantry crane foundation structure suitable for soft soil foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925411.2U CN220225423U (en) | 2023-07-21 | 2023-07-21 | Automatic container yard gantry crane foundation structure suitable for soft soil foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220225423U true CN220225423U (en) | 2023-12-22 |
Family
ID=89188081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321925411.2U Active CN220225423U (en) | 2023-07-21 | 2023-07-21 | Automatic container yard gantry crane foundation structure suitable for soft soil foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220225423U (en) |
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2023
- 2023-07-21 CN CN202321925411.2U patent/CN220225423U/en active Active
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