CN216640435U - Dense-row pile supporting and retaining reinforcing structure under deep soft soil condition - Google Patents
Dense-row pile supporting and retaining reinforcing structure under deep soft soil condition Download PDFInfo
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- CN216640435U CN216640435U CN202123072958.6U CN202123072958U CN216640435U CN 216640435 U CN216640435 U CN 216640435U CN 202123072958 U CN202123072958 U CN 202123072958U CN 216640435 U CN216640435 U CN 216640435U
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Abstract
The utility model is suitable for the technical field of reinforced structures, and provides a support and baffle reinforced structure of close-packed piles under the condition of deep soft soil, which comprises the following components: the riverway embankment comprises a riverway embankment main body, wherein the upper surface of the riverway embankment main body is provided with an installation groove; the cast-in-place support pile is fixed on the inner wall of the mounting groove; the slurry column is arranged in the mounting groove and is formed by solidifying slurry; the cantilever retaining wall is fixed at the upper end of the side wall of the riverway bank main body close to the riverway; and the concrete surface layer is fixed on the side wall of the river bank main body close to the river. The utility model has the effects of reducing slurry loss during grouting, thereby reducing material waste and reducing treatment cost.
Description
Technical Field
The utility model belongs to the technical field of reinforced structures, and particularly relates to a supporting and retaining reinforced structure for close-packed piles under the condition of deep soft soil.
Background
For the existing river bank retaining structure, due to various reasons such as long-term overhaul, change of surrounding site conditions and the like, deformation and damage of part of the bank retaining structure occur all the year round. Aiming at the river bank slope under the geological condition of deep soft soil, the traditional treatment method is a grouting method. The grouting method has the advantages of small equipment volume, flexible construction and strong stratum adaptability, and has better applicability to reinforcement treatment of existing buildings on backfill soil layers and silt foundations.
However, the conventional grouting method has poor controllability of grouting in the backfill layer and the sludge formation due to good slurry fluidity, and is easy to cause slurry to spread in the sludge formation, thereby causing material waste and increasing the treatment cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a supporting and retaining reinforcement structure for close packed piles under the condition of deep soft soil, and aims to solve the problem that the conventional reinforcement mode easily causes slurry to be easily lost due to good slurry fluidity, so that materials are wasted.
The utility model is realized in this way, a dense row pile retaining reinforcement structure under the condition of deep soft soil, comprising: the riverway embankment comprises a riverway embankment main body, wherein the upper surface of the riverway embankment main body is provided with a mounting groove; the pouring support pile is fixed on the inner wall of the mounting groove; the slurry column is arranged in the mounting groove and is formed by solidifying slurry; the cantilever retaining wall is fixed at the upper end of the side wall of the riverway bank main body close to the riverway; and the concrete surface layer is fixed on the side wall of the river bank main body close to the river.
Preferably, the side wall of the river bank main body close to the river is provided with a stone-throwing fixing foot, and the upper surface of the stone-throwing fixing foot and the bottom surface of the concrete surface layer are integrally formed.
Preferably, backfill soil is arranged in the riverway bank main body, rotary spray holes are formed in the upper surface of the backfill soil, double-pipe rotary spray columns are arranged in the rotary spray holes, and first cover plates used for sealing the rotary spray holes are arranged on the upper surfaces of the double-pipe rotary spray columns.
Preferably, a first mounting hole is formed in a side wall of the mounting groove, which is far away from the riprap fixing foot, a second mounting hole communicated with the first mounting hole is formed in the double-pipe rotary spraying column, the extending direction of the second mounting hole is the same as that of the first mounting hole, a prestressed anchor cable is mounted in the first mounting hole and the second mounting hole together, one end of the prestressed anchor cable is fixed on the side wall of the mounting groove, and the other end of the prestressed anchor cable is fixed in the riverway embankment main body.
Preferably, the upper surface of the grout column is provided with a reinforcing drill hole, a fixing column for further reinforcing the grout column is arranged in the reinforcing drill hole, and the upper surface of the grout column is provided with a second cover plate for sealing the mounting groove.
Preferably, the bottom surface of the riprap fixing leg is fixedly provided with a fixing rod, the bottom surface of the riprap fixing leg is tightly attached to the inner bottom wall of the river channel, and the bottom surface of the fixing rod is fixedly provided with a square cone block for reducing the installation difficulty of the fixing rod.
Preferably, the upper surface of the riprap fixing foot is provided with a fixing pile for improving the stability of the concrete surface layer, and the upper surface of the fixing pile is flush with the upper surface of the concrete surface layer.
Preferably, soil fixing plants are planted on the backfill soil and are uniformly distributed on the upper surface of the backfill soil.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the reinforcing structure of the existing close-packed pile retaining structure under the condition of deep soft soil enhances the integrity and strength of the river bank main body, reduces the horizontal displacement of the slope top, reduces the bending moment born by the original river bank main body structure, improves the stability of the river bank main body, simultaneously performs grouting reinforcement on the top of the river bank main body, improves the stability of soil on the top of the river bank main body, reduces the settlement of the soil, is provided with the double-pipe jet grouting column in backfill soil, improves the shearing strength of soil, provides sufficient tensile resistance for the prestressed anchor cables, improves the connection tightness between the backfill soil and reduces the probability of material waste caused by slurry loss. Furthermore, a prestressed anchor cable is arranged in the mounting groove, so that the horizontal displacement of the top of the river bank main body is effectively controlled.
Drawings
FIG. 1 is a schematic structural diagram of a support and retaining reinforcement structure for close-packed piles under a deep soft soil condition, provided by the utility model;
FIG. 2 is a schematic structural diagram of a pyramid block according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a fixing post according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram for highlighting the first mounting hole and the second mounting hole according to the embodiment of the present invention.
In the figure: 1. a river bank main body; 11. mounting grooves; 2. pouring support piles; 3. a slurry column; 4. a cantilever retaining wall; 5. a concrete facing; 6. throwing stones to fix feet; 7. backfilling; 71. spirally spraying holes; 72. double-pipe rotary spraying column; 73. a first cover plate; 74. a first mounting hole; 75. a second mounting hole; 8. a pre-stressed anchor cable; 81. reinforcing the drilled hole; 82. fixing a column; 83. a second cover plate; 9. fixing the rod; 91. a square cone block; 92. fixing the pile; 93. and (5) fixing soil plants.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
The embodiment of the utility model provides a close-packed pile retaining and reinforcing structure under the condition of deep soft soil, which comprises a river bank main body 1, a pouring retaining pile 2, a slurry column 3, a cantilever retaining wall 4, a concrete surface layer 5, a riprap fixing foot 6, backfill soil 7, a double-pipe rotary spraying column 72, a first cover plate 73, a prestressed anchor rope 8, a fixing column 82, a second cover plate 83, a fixing rod 9, a square cone block 91 and a fixing pile 92 as shown in figures 1-4. River course embankment main part 1 is cuboid structure for reduce the soil erosion and water loss on river course bank side, and mounting groove 11 has been seted up to the upper surface of river course embankment main part 1. The filling support pile 2 is of a rod-shaped structure with a square annular cross section, the filling support pile 2 is fixed on the inner wall of the mounting groove 11, the stability of soil around the mounting groove 11 is improved, and the slurry loss probability is reduced. The thick liquid post 3 is cuboid bodily form structure, and thick liquid post 3 sets up in mounting groove 11, is solidified by the thick liquid that sets up in pouring fender pile 2 and forms, has improved the steadiness of 1 top earth of river course embankment main part, has reduced the settlement volume of earth.
Cantilever barricade 4 is rectangular bodily form structure, and cantilever barricade 4 is fixed near the lateral wall upper end in river course embankment main part 1, has further improved the steadiness of 1 top earth of river course embankment main part, has reduced the settlement volume of earth. Concrete surface course 5 is rectangular bodily form structure, and concrete surface course 5 is fixed in on the lateral wall that river course embankment main part 1 is close to the river course, has reduced earth and river water direct contact's probability when improving the steadiness of 1 top earth of river course embankment main part, has reduced the probability of soil erosion and water loss. The riprap fixing leg 6 is of a cuboid structure, the riprap fixing leg 6 is arranged on the side wall of the river channel embankment body 1 close to the river channel, and the upper surface of the riprap fixing leg 6 and the bottom surface of the concrete surface layer 5 are integrally formed. The horizontal displacement amount of the top of the river bank main body 1 is reduced, and the bending moment born by the original river bank is reduced.
The backfill soil 7 is arranged in the river bank main body 1, and the upper surface of the backfill soil 7 is provided with rotary spray holes 71. The double-pipe rotary spraying column 72 is of a cylindrical structure, the axis of the double-pipe rotary spraying column is vertical, and the double-pipe rotary spraying column 72 is arranged in the rotary spraying hole 71. The double-pipe rotary spraying column 72 improves the shear strength of the soil body of the backfill soil 7, provides sufficient tensile resistance for the prestressed anchor cables 8, and improves the connection tightness between the backfill soil 7. The first cover plate 73 is of a disc-shaped structure, the axis of the first cover plate coincides with the axis of the double-pipe rotary spraying column 72, the first cover plate 73 is arranged on the upper surface of the double-pipe rotary spraying column 72 and is used for sealing the rotary spraying holes 71, and the service life of the double-pipe rotary spraying column 72 is prolonged.
A first mounting hole 74 is formed in the side wall, away from the riprap fixing leg 6, of the mounting groove 11, a second mounting hole 75 communicated with the first mounting hole 74 is formed in the double-pipe rotary spraying column 72, and the extending direction of the second mounting hole 75 is the same as that of the first mounting hole 74. The prestressed anchor cable 8 is jointly installed in the first installation hole 74 and the second installation hole 75, one end of the prestressed anchor cable 8 is fixed on the side wall of the installation groove 11, and the other end of the prestressed anchor cable 8 is fixed in the river bank main body 1, so that the horizontal displacement of the top of the river bank main body 1 is effectively controlled.
Reinforced drilling 81 has been seted up to the upper surface of thick liquid post 3, and fixed column 82 is cylindric structure, and its axis is vertical, and fixed column 82 sets up in reinforced drilling 81 for further reinforced thick liquid post 3 improves the stability of river course embankment main part 1 top earth. The second cover 83 is a rectangular plate-shaped structure, and the second cover 83 is disposed on the upper surface of the grout column 3 and used for closing the installation groove 11.
The fixing rod 9 is of a rectangular rod-shaped structure, the fixing rod 9 is fixedly arranged on the bottom surface of the riprap fixing leg 6, and the bottom surface of the riprap fixing leg 6 is tightly attached to the inner bottom wall of the river channel. The stability of 1 top earth of river bank main part has further been improved, has reduced earth and river water direct contact's probability to the probability that soil erosion and water loss has been reduced. The square cone block 91 is of a square cone-shaped structure, and the square cone block 91 is fixedly arranged on the bottom surface of the fixing rod 9 and used for reducing the installation difficulty of the fixing rod 9. The spud pile 92 is round bar-shaped structure, and its axis is vertical, and the spud pile 92 sets up the upper surface at riprap solidus foot 6 for improve concrete surface course 5's stability, and the upper surface of spud pile 92 with concrete surface course 5's upper surface parallel and level.
In order to reduce the water and soil loss probability of soil on the top of the river bank main body 1, soil fixing plants 93 are planted on the backfill soil 7, and the soil fixing plants 93 are uniformly distributed on the upper surface of the backfill soil 7.
The use principle of the embodiment is as follows:
through the cantilever barricade 4, concrete surface 5, the setting of mechanisms such as prestressed anchorage cable 8 and riprap solid foot 6, the wholeness and the intensity of river course embankment main part 1 have been strengthened, the slope crest horizontal displacement volume has been reduced, the bending moment that former river course embankment main part 1 structure bore has been reduced, the stability of river course embankment main part 1 has been improved, simultaneously, 1 top slip casting reinforcement to river course embankment main part, the steadiness of 1 top earth of river course embankment main part, the settlement volume of earth has been reduced, and set up double-barrelled jet-grouting post 72 in backfill soil 7, soil body shear strength has been improved, and provide abundant tensile resistance for prestressed anchorage cable 8, the connection compactness between backfill soil 7 has been improved, the probability of causing the material waste because of the thick liquid runs off has been reduced. Furthermore, a prestressed anchor cable 8 is arranged in the mounting groove 11, so that the horizontal displacement of the top of the river bank main body 1 is effectively controlled.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the utility model. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the utility model.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or communication connection between each other may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solution of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a close row pile props up and keeps off reinforced structure under deep soft soil condition which characterized in that includes:
the riverway embankment comprises a riverway embankment main body, wherein the upper surface of the riverway embankment main body is provided with a mounting groove;
the pouring support pile is fixed on the inner wall of the mounting groove;
the slurry column is arranged in the mounting groove and is formed by solidifying slurry;
the cantilever retaining wall is fixed at the upper end of the side wall, close to the river, of the river bank main body;
and the concrete surface layer is fixed on the side wall of the river bank main body close to the river.
2. The deep soft soil condition close-packed pile retaining and reinforcing structure of claim 1, wherein the side wall of the river bank main body close to the river is provided with a riprap fixing foot, and the upper surface of the riprap fixing foot is integrally formed with the bottom surface of the concrete surface layer.
3. The close-packed pile retaining and reinforcing structure under the condition of deep soft soil according to claim 2, wherein backfill soil is arranged in the river bank main body, rotary spray holes are formed in the upper surface of the backfill soil, double-pipe rotary spray columns are arranged in the rotary spray holes, and first cover plates for sealing the rotary spray holes are arranged on the upper surfaces of the double-pipe rotary spray columns.
4. The deep soft soil condition close-packed pile retaining and reinforcing structure as claimed in claim 3, wherein a first mounting hole is formed in a side wall of the installation groove away from the riprap fixing leg, a second mounting hole communicated with the first mounting hole is formed in the double-pipe jet grouting column, the second mounting hole extends in the same direction as the first mounting hole, a pre-stressed anchor cable is installed in the first mounting hole and the second mounting hole together, one end of the pre-stressed anchor cable is fixed to the side wall of the installation groove, and the other end of the pre-stressed anchor cable is fixed in the riverway bank body.
5. The close-packed pile retaining and reinforcing structure under the condition of deep soft soil as claimed in claim 4, wherein a reinforcing drill hole is formed in the upper surface of the grout column, a fixing column for further reinforcing the grout column is arranged in the reinforcing drill hole, and a second cover plate for closing the installation groove is arranged on the upper surface of the grout column.
6. The deep soft soil condition close packed pile retaining and reinforcing structure of claim 5, wherein the bottom surface of the riprap fixing leg is fixedly provided with a fixing rod, the bottom surface of the riprap fixing leg is tightly attached to the inner bottom wall of the river channel, and the bottom surface of the fixing rod is fixedly provided with a square cone block for reducing the installation difficulty of the fixing rod.
7. The deep soft soil condition close-packed pile retaining and reinforcing structure of claim 6, wherein the upper surface of the riprap leg is provided with a fixing pile for improving the stability of the concrete surface layer, and the upper surface of the fixing pile is flush with the upper surface of the concrete surface layer.
8. The deep soft soil condition close-packed pile retaining and reinforcing structure of claim 7, wherein soil-fixing plants are planted on the backfill soil, and the soil-fixing plants are uniformly distributed on the upper surface of the backfill soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072958.6U CN216640435U (en) | 2021-12-08 | 2021-12-08 | Dense-row pile supporting and retaining reinforcing structure under deep soft soil condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072958.6U CN216640435U (en) | 2021-12-08 | 2021-12-08 | Dense-row pile supporting and retaining reinforcing structure under deep soft soil condition |
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| CN216640435U true CN216640435U (en) | 2022-05-31 |
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| CN202123072958.6U Active CN216640435U (en) | 2021-12-08 | 2021-12-08 | Dense-row pile supporting and retaining reinforcing structure under deep soft soil condition |
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- 2021-12-08 CN CN202123072958.6U patent/CN216640435U/en active Active
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