CN218346208U - Permanent side slope supporting structure based on reinforced concrete pile - Google Patents
Permanent side slope supporting structure based on reinforced concrete pile Download PDFInfo
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- CN218346208U CN218346208U CN202222048827.2U CN202222048827U CN218346208U CN 218346208 U CN218346208 U CN 218346208U CN 202222048827 U CN202222048827 U CN 202222048827U CN 218346208 U CN218346208 U CN 218346208U
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Abstract
A permanent side slope supporting structure based on reinforced concrete piles comprises a plurality of slope protection piles of a reinforced concrete structure, wherein crown beams are arranged at the tops of the slope protection piles which are sequentially arranged at intervals, retaining walls are arranged at the top ends of the crown beams, anchor cables are arranged between the crown beams and the interior of a slope body, the tail ends of the anchor cables obliquely downwards penetrate into the slope body, and the top ends of the anchor cables penetrate out of the crown beams and are fastened with the crown beams through anchor heads. The excavation side of slope protection stake be equipped with the reinforced concrete panel, through many splice bars interconnect between this reinforced concrete panel and the slope protection stake. The anchor cable is a prestressed anchor cable. The utility model has the advantages that: forming a permanent slope supporting system. Under the conditions of complex peripheral environment and tense field, such as adjacent buildings and the like, in cities, the permanent slope support and deformation control problems can be effectively solved by implementing the structure. The excavation side sets up the reinforced concrete panel and replaces interim hanging net to spout and mixes, can improve soil retaining structure's durability and aesthetic property, reduces the later maintenance cost.
Description
Technical Field
The utility model relates to a permanent side slope supporting construction based on reinforced concrete pile belongs to side slope support and safety protection technical field.
Background
Under the background that the development and construction strength of the current city is stronger, the distance between a newly-built slope project and a surrounding building is closer, the serious challenges of complex operation environment, tense site conditions and the like are faced, the control requirement on slope deformation is higher and higher, and the slope protection structure in the traditional forms of a gravity type, a counterfort type and the like is difficult to meet the requirement. Therefore, a permanent side slope supporting structure which is convenient to construct, small in disturbance to a side slope soil body, capable of improving the durability and the attractiveness of a soil retaining structure and reducing the later maintenance cost is required to be researched so as to effectively solve the problems of permanent side slope supporting and deformation control.
Disclosure of Invention
The utility model provides a permanent side slope supporting construction based on reinforced concrete pile to ensure side slope stability, control side slope deflection reaches the purpose of permanent reinforcement side slope.
The technical scheme of the utility model is that: a permanent slope supporting structure based on reinforced concrete piles comprises reinforced concrete piles, wherein crown beams are arranged at the tops of the plurality of slope piles which are arranged at intervals in sequence, retaining walls are arranged at the top ends of the crown beams, anchor cables are arranged between the crown beams and the interior of a slope body, the tail ends of the anchor cables are inclined downwards to penetrate into the slope body, the top ends of the anchor cables penetrate out of the crown beams and are fastened with the crown beams through anchor heads, and the permanent slope supporting structure is characterized in that reinforced concrete panels are arranged on the excavation sides of the slope piles and are connected with the slope piles through a plurality of connecting ribs. The anchor cable is a prestressed anchor cable.
The utility model has the advantages that: a permanent slope supporting system is formed by the interconnected structure of the slope protection piles, the panels, the crown beams, the retaining walls and the anchor cables. Under the conditions of complex peripheral environment and tense field, such as adjacent buildings and the like in cities, the permanent slope support and deformation control problems can be effectively solved by implementing the structure. During construction of the structure, a large amount of soil bodies behind the slope do not need to be excavated and then filled, disturbance on the undisturbed soil bodies of the slope is small, and buildings behind the slope can be protected effectively; the prestressed anchor cables are arranged in the side slope soil body, so that the side slope stability can be further enhanced, the integral deformation of the side slope is controlled, and the engineering safety is improved; the excavation side sets up reinforced concrete panel and replaces interim string net to spout and mixes, can improve the durability and the aesthetic property of retaining structure, reduces the later maintenance cost.
Drawings
Fig. 1 is a schematic structural view of a vertical cross section of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
fig. 4 is an elevation view of the mesh reinforcement in the panel of fig. 3.
Description of reference numerals: 1. a slope protection pile 11, a main reinforcement 12, a stirrup 13 and concrete; 2. a reinforced concrete panel 21, a reinforcing mesh 22, reinforcing ribs 23, polymer cement waterproof mortar 24 and welding spots; 3. a crown beam; 4. retaining walls; 5. an anchor cable; 6. anchor head, 7, slope bottom, 8, slope top, 9 and connecting rib.
Detailed Description
Referring to fig. 1-4, the utility model relates to a permanent side slope supporting construction based on reinforced concrete pile, including reinforced concrete structure's slope protection stake 1, be equipped with at the 1 tops of many interval order arrangement's slope protection stake and guan liang 3, be equipped with barricade 4 on the top of this guanliang 3, be equipped with anchor rope 5 between this guanliang 3 and the internal portion of slope, the tail end downward sloping ground of this anchor rope 5 is deepened in the slope body, this guanliang 3 is worn out on the top of this anchor rope 5 to fasten with this guanliang 3 through anchor head 6, its characterized in that slope protection stake 1's excavation side be equipped with reinforced concrete panel 2, through many splice bars 9 interconnect between this reinforced concrete panel 2 and the slope protection stake 1. The anchor cable 5 is a prestressed anchor cable.
And two ends of the connecting rib 9 are respectively welded with the reinforced concrete panel 2 and the steel bars in the slope protection piles 1.
The top end of the reinforced concrete panel 2 is connected with the reinforcing steel bars of the crown beam 3 through the reinforcing steel bars.
The slope protection pile 1 is circular in cross section, main reinforcements 11 which are axially and circularly arranged are arranged in concrete 13, and stirrups 12 are arranged at intervals of the main reinforcements 11; the diameter of the slope protection pile 1 is not less than 1.0 meter, and the grade of the concrete 13 is not less than C35.
The reinforced concrete panel 2 consists of a reinforcing mesh 21, reinforcing ribs 22 and polymer cement waterproof mortar 23, wherein one reinforcing rib 22 is welded at intervals on the reinforcing mesh 21, and the reinforcing ribs 22 are welded with one end of the connecting rib 9; the reinforced concrete panel 2 is a reinforced concrete cast-in-place structure, the total thickness is not less than 0.25m, and the concrete grade is not less than C35. The reinforcing mesh 21 adopts a double-layer reinforcing mesh.
The crown beam 3 is a square section, the height of the crown beam is not less than 1m, and the width of the crown beam is the sum of the diameter of the slope protection pile 1 and the thickness of the reinforced concrete panel 2; the thickness of the retaining wall 4 is not less than 0.2m, and the top end is higher than the elevation of the top of the slope by 1.2m.
Before reinforced concrete protects slope stake 1 for the side slope excavation, adopt mechanical pore-forming, according to the vertical pile body of pouring of design excavation face of design interval along the side slope, certain length below the pile bottom embedding slope end elevation, its length needs to satisfy side slope stability requirement and structure regulation, sets up the steel reinforcement cage of compriseing vertical main reinforcement 11 and horizontal spiral stirrup 12 in the stake.
After the crown beam is poured to reach the specified strength, the anchor cable 5 is mechanically formed into a hole, the anchor cable is arranged in the side slope soil body, the anchor cable is tensioned to the specified prestress value and is firmly locked on the crown beam through the anchor head, the anchor cable is designed according to a permanent structure, and the anchor cable, the anchor device, the steel strand and the like need to be subjected to anticorrosion treatment.
The reinforced concrete panel 2 is a cast-in-place reinforced concrete panel arranged on the side, close to the excavation, of the slope protection pile, after the anchor rods of the anchor cables 5 are arranged according to the regulations, the soil body is excavated downwards and the reinforced concrete panel 2 is poured, the pouring height is not more than 2 meters at each time until the bottom of the reinforced concrete panel 2 is inserted into the position below the slope bottom hardened surface by a certain depth, and the depth is not less than 0.5m. The reinforced concrete panel 2 is internally provided with a double-layer reinforcing mesh 21, and the reinforced concrete panel 2 is firmly connected with the crown beam 3 by reinforcing steel bars. The reinforced concrete panel 2 is connected with the slope protection pile 1 through anchor bars in the horizontal direction, and the length of the tension steel bars is LaE according to the anti-seismic anchoring. The mode that sets up of the splice bar 9 between 1 of slope protection stake and the reinforced concrete panel 2, the preferential adoption is implemented in step with the stake and is reserved, when reserving the reinforcing bar and can not use, just can adopt the bar planting to remedy, and need satisfy the relevant technical requirement of bar planting. The surface of the reinforced concrete panel 2 needs to be leveled by adopting M10 cement mortar, and then 10mm polymer cement waterproof mortar 23 is coated, so that the waterproof and anticorrosion effects are achieved, the durability is improved, and the service life is prolonged. Vertical expansion joints are required to be arranged at intervals of 20m to 25m on the reinforced concrete panel 2, asphalt fir-impregnated wood boards or other elastic waterproof materials are filled in the joints, and the joints are filled with asphalt hemp threads to a depth of not less than 2cm. Need set up the outlet pipe on reinforced concrete panel 2, adopt the plastic tubing that punches, length is 1m, and the horizontal interval is the pile interval, vertical interval 2m, will guarantee that the outlet pipe stretches out 150mm outside the shotcrete surface layer after finishing doing, and water outlet department establishes the inverted filter. The expansion joint and the drain hole can refer to relevant regulations and standard practices in a standard atlas (04J 008) of the retaining wall.
Claims (9)
1. The utility model provides a permanent side slope supporting construction based on reinforced concrete pile, slope protection stake (1) including reinforced concrete structure, be equipped with crown beam (3) at many interval order slope protection stake (1) tops of arranging, be equipped with barricade (4) on the top of this crown beam (3), be equipped with anchor rope (5) between this crown beam (3) and the internal portion of slope, the tail end downward sloping ground of this anchor rope (5) is gone deep into the slope internally, this crown beam (3) are worn out on the top of this anchor rope (5) to fasten with this crown beam (3) through anchor head (6), its characterized in that, the excavation side of slope protection stake (1) be equipped with reinforced concrete panel (2), through many splice bars (9) interconnect between this reinforced concrete panel (2) and slope protection stake (1).
2. The permanent slope supporting structure based on reinforced concrete pile according to claim 1, wherein both ends of the connecting bar (9) are welded with the reinforced concrete panel (2) and the steel bars in the revetment pile (1), respectively.
3. A permanent slope supporting structure based on reinforced concrete piles according to claim 1 or 2, wherein the top ends of the reinforced concrete face plates (2) are connected to the reinforcing bars of the crown beams (3) by reinforcing bars.
4. A permanent slope supporting structure based on reinforced concrete piles according to claim 1, wherein the slope protection piles (1) have a circular cross section, main reinforcements (11) are axially and circularly arranged in the concrete (13), and stirrups (12) are surrounded at intervals of the main reinforcements (11); the diameter of the slope protection pile (1) is not less than 1.0 meter, and the grade of the concrete (13) is not less than C35.
5. A permanent slope supporting structure based on reinforced concrete piles according to claim 1, wherein said reinforced concrete face plate (2) is composed of a reinforcing mesh (21), reinforcing bars (22) and concrete, one reinforcing bar (22) is welded at intervals on the reinforcing mesh (21), and the reinforcing bar (22) is welded to one end of said connecting bar (9); the reinforced concrete panel (2) is a reinforced concrete cast-in-place structure, the total thickness is not less than 0.25m, and the concrete grade is not less than C35.
6. A permanent slope supporting structure based on reinforced concrete piles according to claim 5, characterized in that a layer of cement mortar and a layer of polymer cement waterproof mortar (23) are sequentially provided on the surface of the reinforced concrete panel (2).
7. A permanent slope supporting structure based on reinforced concrete piles according to claim 5, wherein expansion joints are arranged every 20m to 25m in the vertical direction of the reinforced concrete panels (2), asphalt fir-impregnated wood boards are filled in the expansion joints, and the expansion joints are filled with asphalt hemp at the depth of not less than 2cm; set up the outlet pipe on reinforced concrete panel (2), adopt the plastic tubing that punches, length is 1m, and the horizontal interval is the stake interval of revetment pile (1), vertical interval 2m, and it will guarantee to let the outlet pipe stretch out the outer 150mm of shotcrete panel after finishing to execute, and the outlet department establishes the inverted filter.
8. The permanent slope supporting structure based on reinforced concrete piles according to claim 1, wherein the crown beam (3) has a square cross section, the height of which is not less than 1m, and the width of which is the sum of the diameter of the slope protection pile (1) and the thickness of the reinforced concrete panel (2); the thickness of the retaining wall (4) is not less than 0.2m, and the top end is higher than the elevation of the top of the slope by 1.2m.
9. A permanent slope supporting structure based on reinforced concrete piles according to claim 1, wherein said anchor lines (5) are pre-stressed anchor lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222048827.2U CN218346208U (en) | 2022-08-05 | 2022-08-05 | Permanent side slope supporting structure based on reinforced concrete pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222048827.2U CN218346208U (en) | 2022-08-05 | 2022-08-05 | Permanent side slope supporting structure based on reinforced concrete pile |
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| CN218346208U true CN218346208U (en) | 2023-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591159A (en) * | 2023-06-15 | 2023-08-15 | 中国建筑第二工程局有限公司 | Supporting pile spray-anchoring structure and construction method |
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2022
- 2022-08-05 CN CN202222048827.2U patent/CN218346208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591159A (en) * | 2023-06-15 | 2023-08-15 | 中国建筑第二工程局有限公司 | Supporting pile spray-anchoring structure and construction method |
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