CN115341559B - Pre-buried reinforcement system of newly-built road bed side slope - Google Patents
Pre-buried reinforcement system of newly-built road bed side slope Download PDFInfo
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- CN115341559B CN115341559B CN202211023316.3A CN202211023316A CN115341559B CN 115341559 B CN115341559 B CN 115341559B CN 202211023316 A CN202211023316 A CN 202211023316A CN 115341559 B CN115341559 B CN 115341559B
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- reinforcement
- cushion cap
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 238000007569 slipcasting Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 12
- 238000004062 sedimentation Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- 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)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention belongs to the field of roadbed slopes, and particularly relates to a pre-buried reinforcement system for a newly-built roadbed slope, which comprises a foundation assembly, a reinforcement assembly and a grouting assembly, wherein the foundation assembly comprises a primary bearing platform and a secondary bearing platform, the primary bearing platform is arranged at the bottom of the slope and is distributed along the trend of the road, the secondary bearing platform is arranged along the slope of the slope, the secondary bearing platform is arranged at the junction of layered filling, the primary bearing platform and the secondary bearing platform are connected through a connecting rod, the reinforcement assembly comprises a reinforcement anchor rod, a reinforcement baffle rod and a tension connecting rod, an anchor section of the reinforcement anchor rod is embedded into the ground, a free section is connected with the primary bearing platform, the reinforcement baffle rod is connected with the secondary bearing platform, the tension connecting rod is connected with the secondary bearing platform and the reinforcement baffle rod respectively, the grouting assembly is arranged between the adjacent two secondary bearing platforms, the possibility of settlement of the roadbed is reduced, the stability of the roadbed and the slope is effectively improved, and the service life of the road is prolonged.
Description
Technical Field
The invention belongs to the field of roadbed slopes, and particularly relates to a pre-buried reinforcing system for a newly-built roadbed slope.
Background
The roadbed is a foundation of a track or a road surface, is a geotechnical structure formed by excavation or filling, is called a embankment formed by filling, can be filled in layers by adopting different materials during filling, and finally can form an artificial slope on the side surface, so that the formed roadbed mostly has the problem of natural sedimentation, the slope stability is relatively poor, soil layers are tamped during filling, retaining walls are built and the like are adopted in the prior art to avoid the problems, the stability of the roadbed slope cannot be completely ensured, the risk of natural sedimentation still exists, and especially when the road is built at a mountain, the roadbed slope cannot be used once excessively, and the character of 'natural sedimentation observation section' can be seen on the road.
Disclosure of Invention
The invention provides a pre-buried reinforcement system for a newly-built roadbed side slope, which aims to solve the problems: including foundation subassembly, reinforcement subassembly and slip casting subassembly, foundation subassembly includes one-level cushion cap and second grade cushion cap, one-level cushion cap sets up in the side slope bottom, arranges along the road trend, the second grade cushion cap sets up along the side slope inclined plane, the second grade cushion cap sets up the juncture of filling in the layering, one-level cushion cap and second grade cushion cap pass through the connecting rod and connect, reinforcement subassembly is including strengthening the stock, strengthening shelves pole and pulling force connecting rod, the anchor section embedding of strengthening the stock is underground, the free section with one-level cushion cap is connected, consolidate shelves pole with the second grade cushion cap is connected, pulling force connecting rod respectively with the second grade cushion cap, consolidate shelves pole and be connected, slip casting subassembly sets up adjacent two between the second grade cushion cap.
Preferably, the grouting assembly comprises a grouting pipe, one end of the grouting pipe is provided with an opening, the other end of the grouting pipe is provided with a pressure release valve, and a plurality of grouting outlets are formed in the pipe body of the grouting pipe.
Preferably, the grouting pipes are respectively connected with two adjacent secondary bearing platforms through reinforcing steel bars.
Preferably, three reinforcing anchor rods are arranged on each primary bearing platform, and the reinforcing anchor rods are arranged in a delta shape.
Preferably, the first-stage bearing platform is provided with a stubble-connecting reinforcing steel bar.
Preferably, the reinforcement baffle rod comprises a vertical rod and a comb tooth rod arranged on the side face of the vertical rod, and the vertical rod is formed by connecting a plurality of short rods through threads.
Preferably, the lower end of the second-stage bearing platform is provided with a prefabricated section.
The invention has the following beneficial effects: the utility model provides a pre-buried reinforcement system of newly-built road bed side slope sets up one-level cushion cap as the basis of building the barricade, sets up second grade cushion cap and consolidates the shelves pole, maintains slope stability, connects one-level cushion cap and second grade cushion cap, and interconnect between the second grade cushion cap, forms whole atress, effectually prevents that the side slope from sliding, promotes the reliability of road bed, sets up the slip casting pipe in the juncture that the road bed layering was filled simultaneously again, strengthens the wholeness of road bed through the mode of slip casting, reduces the possibility of subsidence, effectually improves the stability of road bed, side slope, extension road life.
Drawings
FIG. 1 is a schematic view of the overall structure of a reinforcement system according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a fastening system according to an embodiment of the present invention;
FIG. 3 is a schematic view of a part of a reinforcement system according to an embodiment of the present invention;
FIG. 4 is a schematic view of a secondary platform and a reinforcement bar in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a connection state of a primary bearing platform and a secondary bearing platform in an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of a primary bearing platform, reinforcing anchor rods and stubble reinforcing bars in an embodiment of the invention;
FIG. 7 is a schematic view of a connection state of a reinforcing bar and a tension link according to an embodiment of the present invention;
FIG. 8 is a schematic view of a detachment structure of an additional fixing bar according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a grouting assembly according to an embodiment of the invention.
11-a first-stage bearing platform; 111-reinforcing the anchor rod; 112-stubble reinforced bars; 12-a second-stage bearing platform; 13-connecting rods; 14-a tension link; 21-grouting pipe; 211-a slurry outlet; 22-a pressure relief valve; 31-reinforcing a baffle rod; 311-short bar; 312-comb bars.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1-9, a pre-buried reinforcement system of newly-built roadbed slope, including basic subassembly, reinforcement subassembly and slip casting subassembly, basic subassembly includes one-level cushion cap 11 and second grade cushion cap 12, one-level cushion cap 11 sets up in the side slope bottom, arrange along the road trend, second grade cushion cap 12 sets up along the slope inclined plane, second grade cushion cap 12 sets up the juncture that fills in the layering, one-level cushion cap 11 and second grade cushion cap 12 pass through connecting rod 13 and connect, reinforcement subassembly includes reinforcement stock 111, reinforcement retaining bar 31 and pulling force connecting rod 14, reinforcement stock 111 anchor section embedding is underground, the free section is connected with one-level cushion cap 11, reinforcement retaining bar 31 is connected with second grade cushion cap 12, pulling force connecting rod 14 is connected with second grade cushion cap 12, slip casting subassembly sets up between two adjacent second grade cushion caps 12 respectively.
When the roadbed is built, the bottom of the side slope is designed to be rotated, the reinforcing anchor rods 111 are embedded, the steel bars of the first-stage bearing platform 11 are bound at the free sections of the reinforcing anchor rods 111, the free sections of the reinforcing anchor rods 111 and the first-stage bearing platform 11 are connected into a whole after concrete pouring is completed, the reinforcing steel bars play a role in stabilizing the first-stage bearing platform 11, if the soil body below the bearing platform is mainly made of rock, the reinforcing effect is better, and if the soil body below the bearing platform is loose, cast-in-situ anti-slide piles can be arranged below to improve stability.
With the progress of the filling, after the completion of the bottom layer, set up the second grade cushion cap 12 in adjacent side slope department, the setting mode of second grade cushion cap 12 can be the same with first grade cushion cap 11, because second grade cushion cap 12 can finally bury the road bed, its stability is better relatively, and its below is the filling layer, can not consider setting up the stock, the soil body that adjacent side slope was located can then be formed to the reinforcement retaining bar 31 on the second grade cushion cap 12, it is understood that second grade cushion cap 12 is located the boundary department of two filling layers, and the reinforcement retaining bar 31 on it is located the soil body of upper strata filling layer, be equivalent to the soil body of upper strata and form an unclosed maintenance structure, can improve the stability of side slope department soil body.
The reinforcing baffle rods 31 arranged in the filling layer are connected with the secondary bearing platform 12 through the tension connecting rods 14, and the sliding or deformation trend of the soil body at the lower layer transmits tension to the secondary bearing platform 12 at the upper layer through the tension connecting rods 14, so that the force generated by the sliding or deformation of each whole slope can be transmitted to the secondary bearing platform 12 positioned in the roadbed, and meanwhile, the stress can be shared together, so that the slope stability is improved.
And grouting components are arranged between two adjacent secondary bearing platforms 12, namely, grouting components are arranged at the boundaries of the filling layers, grouting components of each layer can independently perform grouting, and according to the characteristics of soil bodies of the two adjacent filling layers, proper grouting media are selected, so that the integrity of the adjacent filling layers is improved, the strength of the filling layers is improved, and the possibility of natural sedimentation is reduced.
As the preferred scheme, the slip casting subassembly includes slip casting pipe 21, slip casting pipe 21 one end is the opening, the other end is provided with relief valve 22, be provided with a plurality of grout outlets 211 on its pipe shaft, carry out the slip casting through the open end, thick liquid diffuses into the filling layer through grout outlets 211, if slip casting pressure is too big, then probably lead to the inside unstability of soil body, set up relief valve 22, according to the filler characteristic of adjacent filling layer, set up corresponding relief pressure value, ensure the security of slip casting process, also can guarantee the effect of slip casting simultaneously.
As a preferred scheme, the grouting pipes 21 are respectively connected with two adjacent secondary bearing platforms 12 through steel bars, the concrete implementation mode is not shown in the structure diagram, when the secondary bearing platforms 12 are built, connecting steel bars are reserved on the side surfaces of the secondary bearing platforms 12, the grouting pipes 21 are welded on the connecting steel bars after the secondary bearing platforms 12 are in cross casting, it is understood that the grouting pipes 21 are just positioned on the current filling layer when the grouting pipes 21 are welded by controlling filling construction, the grouting pipes 21 are prevented from influencing filling and tamping, and after grouting is completed, slurry, nearby soil bodies, the grouting pipes 21 and the secondary bearing platforms 12 form a whole, so that the possibility of sedimentation is greatly reduced.
As the preferable scheme, be provided with three reinforcing anchor rods 111 on every one-level cushion cap 11, reinforcing anchor rod 111 is the setting of delta-shaped, and one-level cushion cap 11 plays the supporting role to second grade cushion cap 12, also can understand as the antiskid effect, and the anti-skidding ability of one-level cushion cap 11 can further be promoted to the reinforcing anchor rod 111 that delta-shaped was arranged.
As a preferable scheme, the first-stage bearing platform 11 is provided with the stubble-connecting reinforcing bars 112, the stubble-connecting reinforcing bars 112 are used for constructing a retaining wall and can be used as a foundation of the retaining wall, if a cast-in-situ retaining wall is adopted, the stubble-connecting reinforcing bars 112 can be directly used as a reinforcing bar structure of the retaining wall, if a rubble masonry is adopted, the stubble-connecting reinforcing bars 112 can be used as a foundation, the reinforcing bar structure can be further used, and then a base of the masonry retaining wall is formed by pouring.
As the preferred scheme, consolidate the shelves pole 31 and include montant and the broach pole 312 of setting in the montant side, the montant passes through threaded connection by many quarter butt 311 and constitutes, many quarter butt 311 set up in succession, in the work progress, the quarter butt 311 of direct connection on second grade cushion cap 12 can weld it on the reinforced structure of second grade cushion cap 12 before pouring second grade cushion cap 12, along with filling and ramming go on, add quarter butt 311 step by step, it can understand that the length of vertical pole needs to set up according to the thickness of current layer of filling, then just need customize the montant, be unfavorable for batch production like this, simultaneously if once only insert the montant can influence the operation of machinery when filling, occupy the space on surface, and the quarter butt 311 then occupation in space that can be fine, the forklift is poured and is connected the quarter butt 311 of top again, connect step by step, the adaptation ramming that can be better, the broach pole 312 transversely sets up, be equivalent to the reinforcement in the layer of filling, improve the stability of the soil body near the side slope.
As the preferable scheme, the lower end of the second-stage bearing platform 12 is provided with a prefabricated section, the prefabricated section is arranged in a mode of steel bar cast-in-place concrete, and the stability of the second-stage bearing platform 12 is improved.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications, alterations, and substitutions made by those skilled in the art to the technical solution of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a pre-buried reinforcement system of newly-built road bed side slope which characterized in that: including foundation subassembly, reinforcement subassembly and slip casting subassembly, foundation subassembly includes one-level cushion cap and second grade cushion cap, one-level cushion cap sets up in the side slope bottom, arranges along the road trend, the second grade cushion cap sets up along the side slope inclined plane, the second grade cushion cap sets up the juncture that fills in the layering, one-level cushion cap and second grade cushion cap pass through the connecting rod and connect, reinforcement subassembly includes reinforcement stock, reinforcement shelves pole and pulling force connecting rod, the anchor section embedding of reinforcement stock is underground, the free section with one-level cushion cap is connected, reinforcement shelves pole with the second grade cushion cap is connected, pulling force connecting rod respectively with the second grade cushion cap, reinforcement shelves pole is connected, slip casting subassembly sets up between adjacent two the second grade cushion cap, the reinforcement shelves pole includes montant and sets up the broach pole of montant side, the montant passes through threaded connection by many shortbars and constitutes.
2. The pre-buried reinforcement system of newly-built roadbed slope according to claim 1, wherein: the grouting assembly comprises a grouting pipe, one end of the grouting pipe is provided with an opening, the other end of the grouting pipe is provided with a pressure release valve, and a plurality of grouting outlets are formed in the pipe body of the grouting pipe.
3. The pre-buried reinforcement system of newly-built roadbed slope according to claim 2, wherein: the grouting pipe is respectively connected with two adjacent secondary bearing platforms through steel bars.
4. The pre-buried reinforcement system of newly-built roadbed slope according to claim 1, wherein: three reinforcing anchor rods are arranged on each primary bearing platform, and the reinforcing anchor rods are arranged in a delta shape.
5. The pre-buried reinforcement system of newly-built road bed side slope according to claim 4, wherein: and stubble-connecting reinforcing bars are arranged on the primary bearing platform.
6. The pre-buried reinforcement system of newly-built roadbed slope according to claim 1, wherein: the lower end of the second-stage bearing platform is provided with a prefabricated section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211023316.3A CN115341559B (en) | 2022-08-25 | 2022-08-25 | Pre-buried reinforcement system of newly-built road bed side slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211023316.3A CN115341559B (en) | 2022-08-25 | 2022-08-25 | Pre-buried reinforcement system of newly-built road bed side slope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115341559A CN115341559A (en) | 2022-11-15 |
| CN115341559B true CN115341559B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211023316.3A Active CN115341559B (en) | 2022-08-25 | 2022-08-25 | Pre-buried reinforcement system of newly-built road bed side slope |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100768777B1 (en) * | 2006-09-22 | 2007-10-19 | 임규동 | Earth reinforcement method for railway track on the concrete base |
| CN201103085Y (en) * | 2007-09-21 | 2008-08-20 | 中国矿业大学 | Two-sided reinforced earth retaining wall of subsidence area plant cover |
| CN101899839A (en) * | 2010-03-30 | 2010-12-01 | 山东大学 | Counter-pulled type rib retaining wall of pre-stressing force cantilever |
| CN206887664U (en) * | 2017-06-16 | 2018-01-16 | 江苏省镇江市路桥工程总公司 | Widened structure is spliced based on assembled template new and old roadbed light soil |
| CN209338935U (en) * | 2018-11-29 | 2019-09-03 | 邵阳恒昌工程建设有限公司 | A kind of road structure |
| CN110965416A (en) * | 2019-11-26 | 2020-04-07 | 湖南工业大学 | Bamboo reinforcement system for reinforcing high-fill roadbed in mountainous area and construction method |
| CN211200423U (en) * | 2019-11-05 | 2020-08-07 | 江西建设职业技术学院 | Civil engineering side slope protection reinforced structure |
| CN111549818A (en) * | 2020-05-08 | 2020-08-18 | 安徽省交通规划设计研究总院股份有限公司 | Fabricated vegetation retaining wall with controllable prestress in construction period and construction equipment and method |
| CN111719367A (en) * | 2020-06-12 | 2020-09-29 | 中国二十冶集团有限公司 | Road subgrade strengthening method for continuously limiting and restraining soil body slippage |
| CN216999790U (en) * | 2022-04-19 | 2022-07-19 | 浙江交通职业技术学院 | Pre-buried reinforced structure of interim road bed side slope |
-
2022
- 2022-08-25 CN CN202211023316.3A patent/CN115341559B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100768777B1 (en) * | 2006-09-22 | 2007-10-19 | 임규동 | Earth reinforcement method for railway track on the concrete base |
| CN201103085Y (en) * | 2007-09-21 | 2008-08-20 | 中国矿业大学 | Two-sided reinforced earth retaining wall of subsidence area plant cover |
| CN101899839A (en) * | 2010-03-30 | 2010-12-01 | 山东大学 | Counter-pulled type rib retaining wall of pre-stressing force cantilever |
| CN206887664U (en) * | 2017-06-16 | 2018-01-16 | 江苏省镇江市路桥工程总公司 | Widened structure is spliced based on assembled template new and old roadbed light soil |
| CN209338935U (en) * | 2018-11-29 | 2019-09-03 | 邵阳恒昌工程建设有限公司 | A kind of road structure |
| CN211200423U (en) * | 2019-11-05 | 2020-08-07 | 江西建设职业技术学院 | Civil engineering side slope protection reinforced structure |
| CN110965416A (en) * | 2019-11-26 | 2020-04-07 | 湖南工业大学 | Bamboo reinforcement system for reinforcing high-fill roadbed in mountainous area and construction method |
| CN111549818A (en) * | 2020-05-08 | 2020-08-18 | 安徽省交通规划设计研究总院股份有限公司 | Fabricated vegetation retaining wall with controllable prestress in construction period and construction equipment and method |
| CN111719367A (en) * | 2020-06-12 | 2020-09-29 | 中国二十冶集团有限公司 | Road subgrade strengthening method for continuously limiting and restraining soil body slippage |
| CN216999790U (en) * | 2022-04-19 | 2022-07-19 | 浙江交通职业技术学院 | Pre-buried reinforced structure of interim road bed side slope |
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| Publication number | Publication date |
|---|---|
| CN115341559A (en) | 2022-11-15 |
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