CN110761304A - Assembled anchor rod frame slope protection structure and construction method thereof - Google Patents
Assembled anchor rod frame slope protection structure and construction method thereof Download PDFInfo
- Publication number
- CN110761304A CN110761304A CN201911111374.XA CN201911111374A CN110761304A CN 110761304 A CN110761304 A CN 110761304A CN 201911111374 A CN201911111374 A CN 201911111374A CN 110761304 A CN110761304 A CN 110761304A
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- Prior art keywords
- slope
- slope protection
- protection structure
- anchor rod
- concrete frame
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- 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
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/027—Pots connected in horizontal rows
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- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention relates to an assembled anchor rod frame slope protection structure and a construction method thereof, wherein the slope protection structure is formed by assembling a first concrete frame beam, a second concrete frame beam and a fixed anchor, the first concrete frame beam is in an I-shaped structure, rectangular notches are formed in the centers of two ends of the I-shaped structure, one ends of the two I-shaped structures are butted, and then the rectangular notches form a square notch which is used for installing the fixed anchor; the concrete frame beam II comprises a straight beam and concave interlocking blocks, the straight beam is of an integrated structure, the concave interlocking blocks are symmetrically arranged on two sides of the beam, and when one end of each of the two I-shaped structures is in butt joint, the I-shaped structures can be just placed into one of the concave interlocking blocks. The slope protection structure has the advantages of small masonry quantity, high construction speed in the assembling process on the side slope, safety and environmental protection, and ensures that the original coupling force of the surface soil body of the side slope is locked to a certain degree, thereby improving the strength of the surface soil body and increasing the stability of the side slope.
Description
Technical Field
The invention belongs to the technical field of road slope protection, and particularly relates to an assembled anchor rod frame slope protection structure and a construction method thereof.
Background
In road engineering, slope disasters are easy to occur due to improper slope protection, mainly manifested by slope scouring and surface layer slump, and some of the slopes are also developed into slump, collapse and even landslide. The conventional side slope protection method adopts the fully-closed protection slope made of grouted rubbles, but has the disadvantages of large quantity of masonry, low construction speed and unfavorable drainage of underground water. The grouted rubble grid revetment can not be well adapted to the uneven deformation caused by the dry shrinkage and wet expansion of the side slope, and the grid cracking is easily caused. In addition, some grass-planting revetments adopting honeycomb type grids have poor integral soil-fixing effect.
Disclosure of Invention
In view of the above, it is necessary to provide an assembled anchor rod frame slope protection structure and a construction method thereof. The technical scheme of the invention is as follows:
the invention provides an assembled anchor rod frame slope protection structure, which is formed by assembling a first concrete frame beam (1), a second concrete frame beam (2) and a fixed anchor, wherein the first concrete frame beam (1) is in an I-shaped structure, rectangular notches (5) are formed in the centers of two ends of the I-shaped structure, one ends of the two I-shaped structures are butted, the rectangular notches form a square notch (6), and the square notch (6) is used for mounting the fixed anchor; the concrete frame beam II (2) comprises a straight beam (7) and concave interlocking blocks (8), the straight beam and the concave interlocking blocks are symmetrically arranged on two sides of the beam, and one end of each of the two I-shaped structures can be just placed into one concave interlocking block (8) after being butted.
Further, the fixing anchor comprises an anchor rod (3) and a nut (4), wherein the anchor rod (3) is inserted into the square notch (6) and locked through the nut (4).
Furthermore, a gasket (9) is arranged on the anchor rod (3).
In a second aspect, the present invention provides a construction method of the assembled type anchor rod frame slope protection structure, including the following steps:
(1) determining the size and the number of the prefabricated concrete lattice beam I, the prefabricated concrete lattice beam II and the fixed anchor according to the slope grade and the area of the slope surface needing slope protection;
(2) cleaning impurities and unqualified soil on the slope surface, backfilling pits, grooves and ditches in the slope surface, and vibrating and leveling;
(3) positioning on the processed slope surface, and installing a first concrete frame beam, a second concrete frame beam and a fixed anchor to form a net-shaped slope protection structure;
(4) surface soil is backfilled in the grids of the net-shaped slope protection structure, and flowers and grass seeds are sown on the surface soil after the slope surface is cleaned and leveled.
The invention has the beneficial effects that: the slope protection structure has the advantages that the masonry quantity is small, the first sash beam and the second sash beam can be prefabricated, the construction speed is high in the assembling process on the side slope, and the slope protection structure is safe and environment-friendly. And (4) excavating the newly excavated side slope while assembling and paving. The protection measures can lock the original coupling force of the surface soil body of the side slope to a certain degree, thereby improving the strength of the surface soil body and increasing the stability of the side slope. For the existing side slope, a small amount of flattening can be carried out according to the shape of the side slope, and then the rapid construction is carried out.
Drawings
Fig. 1 is a schematic structural view of a first concrete lattice beam of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a structural dimension diagram of a concrete grid beam one according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of a second concrete lattice beam according to the present invention.
Fig. 6 is a side view of fig. 4.
Fig. 7 is a top view of fig. 4.
Fig. 8 is a structural dimension diagram of a second concrete grid beam according to embodiment 1 of the present invention.
Figure 9 is a schematic view of the assembly of part of the first concrete grid beam and part of the second concrete grid beam.
Fig. 10 is a diagram showing the effect of practical application of embodiment 1 of the present invention.
In the drawings 1-7, 1-concrete lattice beam I, 2-concrete lattice beam II, 3-anchor rod, 4-nut, 5-rectangular notch, 6-square notch, 7- "I" shaped cross beam, 8- "concave" shaped interlocking block and 9-gasket.
Detailed Description
The present invention will now be described in further detail with reference to the following figures and specific examples, which are intended to be illustrative, but not limiting, of the invention.
As shown in figures 1-3, 5-7 and 9, the assembled anchor rod frame slope protection structure is formed by assembling a concrete frame beam I (1), a concrete frame beam II (2) and a fixing anchor, the formed appearance style is similar to a grid type net structure, square blocks are uniformly distributed in the net structure, the stereoscopic impression is sufficient, the style is novel, and the structure is clear.
As shown in figures 1-3, a concrete frame beam (1) is of an I-shaped structure, rectangular notches (5) are formed in the centers of the two ends of the I-shaped structure, one end of the I-shaped structure is in butt joint with the other end of the I-shaped structure, the rectangular notches form square notches (6), and the square notches (6) are used for installing the fixing anchors.
As shown in fig. 5 to 7, the second concrete lattice beam (2) comprises a straight beam (7) and concave interlocking blocks (8), wherein the straight beam and the concave interlocking blocks are symmetrically arranged on two sides of the beam, and one end of each of the two I-shaped structures is butted and then just can be placed into one of the concave interlocking blocks (8).
The fixing anchor comprises an anchor rod (3) and a nut (4), wherein the anchor rod (3) is inserted into the square notch (6) and locked through the nut (4). The anchor rod (3) is also provided with a gasket (9).
The slope protection principle of the assembled anchor rod frame slope protection structure is that the first concrete lattice beam and the second concrete lattice beam form a net-shaped self-locking structure and are fixed on the slope surface through the anchor rods anchored in the deep part of the slope surface, so that the slope surface is stable and the slope protection technology with the beautifying effect is achieved. The protection slope surface of the self-locking structure has strong stability and provides sufficient sliding resistance for the slope surface. In addition, in this protective structure, still formed many grids simultaneously, can plant flowers and plants in the grid and keep back the water source, can effectively slow down soil erosion and water accumulation.
Example 1
The embodiment discloses a construction method of the assembled anchor rod frame slope protection structure, which is used for field construction on a unilateral slope surface of a certain urban road and comprises the following steps:
(1) determining the size and the number of the prefabricated concrete lattice beam I, the prefabricated concrete lattice beam II and the fixed anchor according to the slope grade and the area of the slope surface needing slope protection;
(2) clearing impurities and unqualified soil on the slope surface, backfilling pits, grooves and ditches in the slope surface, and vibrating and leveling by adopting plane vibrating equipment;
(3) positioning the treated slope surface, driving an anchor rod, installing a first concrete frame beam, a second concrete frame beam and a gasket, and screwing a nut to form a net-shaped slope protection structure;
(4) surface soil is backfilled in the grids of the net-shaped slope protection structure, and flowers and grass seeds are sown on the surface soil after the slope surface is cleaned and leveled, so that slope protection construction of the whole slope surface is completed.
The construction method further comprises various preparation works before construction, specifically comprising measurement work of the slope surface to be protected, drawing preparation, material purchasing, construction equipment configuration, construction standard making and the like. The machinery and equipment used for implementing the invention are shown in table 1.
TABLE 1
In the step (1), the sizes of the prefabricated first concrete frame beam and the prefabricated second concrete frame beam are respectively shown in fig. 4 and fig. 8, the first concrete frame beam and the second concrete frame beam are formed by pouring according to the designed sizes, and grid reinforcing steel bars are pre-embedded in the first concrete frame beam and the second concrete frame beam, so that the first concrete frame beam and the second concrete frame beam can be guaranteed to have enough bearing capacity, rigidity and stability.
In the step (2), because the requirement on the flatness of the slope surface of the slope to be protected is higher, the cleaning and backfilling treatment processes are completed in a mode of manually matching with machinery, so that the requirement on the flatness of the slope surface is met, and the subsequent construction is facilitated.
In the step (3), according to the requirements of design drawings, a measurer precisely positions the hole position of the anchor rod in the anchor rod construction range, carries out on-site marking, positions the anchor rod hole positions at two ends on the same straight line firstly, and determines the positions of other anchor rod holes by measuring in the middle. Each well site is marked in situ. Before the anchor rod is driven into the hole, rock powder and sundries in the hole are required to be removed completely, the hole depth is detected, and the anchor rod is driven into the hole after the hole depth is determined to be qualified. When the first concrete frame beam, the second concrete frame beam and the gasket are installed, the gasket is inserted into each anchor rod on the basis of the anchor rod, then a certain anchor rod is used as a center, the two ends of the first concrete frame beam are in butt joint, the anchor rod is guaranteed to be just located in a square notch formed after the first concrete frame beam is in butt joint, a nut is screwed on the anchor rod to be locked, then the second concrete frame beam is installed, one end of the first concrete frame beam is in butt joint and then just placed into a concave-shaped interlocking block of the second concrete frame beam, other first concrete frame beams and the second concrete frame beam are installed one by one according to the mode, and finally a net-shaped slope protection structure is formed.
And (4) backfilling surface soil in the grids of the net-shaped slope protection structure to ensure that the backfilled slope surface is smooth without large concave-convex, and then manually sowing seeds of flowers and grass on the surface soil. Fig. 10 provides a diagram of the effect of the present embodiment in practical application.
In summary, the assembled type anchor rod frame slope protection structure and the construction method thereof of the invention have the advantages that:
the method has the following advantages: the assembled anchor rod frame slope protection structure has the advantages of three-dimensional effect, novel style, clear structure, convenience in standardized manufacture and convenience in transportation.
The advantages are as follows: the invention can effectively slow down water loss and soil erosion, is convenient to lay and transport, has strong integrity and convenient disassembly and assembly, and is not easy to accumulate water.
The advantages are three: the invention has the advantages of high construction speed, less masonry, short construction period, safety and environmental protection.
The advantages are four: the structure has certain locking pressure on the surface soil body of the side slope, thereby improving the strength of the surface soil body and effectively inhibiting the occurrence of the side slope diseases.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. The utility model provides an assembled stock frame slope protection structure which characterized in that: the slope protection structure is formed by assembling a first concrete frame beam (1), a second concrete frame beam (2) and a fixed anchor, wherein the first concrete frame beam (1) is of an I-shaped structure, rectangular notches (5) are formed in the centers of two ends of the I-shaped structure, one ends of the two I-shaped structures are in butt joint, the rectangular notches form square notches (6), and the square notches (6) are used for mounting the fixed anchor; the concrete frame beam II (2) comprises a straight beam (7) and concave interlocking blocks (8), the straight beam and the concave interlocking blocks are symmetrically arranged on two sides of the beam, and one end of each of the two I-shaped structures can be just placed into one concave interlocking block (8) after being butted.
2. The assembled type anchor rod frame slope protection structure of claim 1, wherein: the fixing anchor comprises an anchor rod (3) and a nut (4), wherein the anchor rod (3) is inserted into the square notch (6) and locked through the nut (4).
3. The assembled type anchor rod frame slope protection structure of claim 2, wherein: and a gasket (9) is arranged on the anchor rod (3).
4. The construction method of the fabricated anchor rod frame slope protection structure of any one of claims 1 to 3, characterized in that: the method comprises the following steps:
(1) determining the size and the number of the prefabricated concrete lattice beam I, the prefabricated concrete lattice beam II and the fixed anchor according to the slope grade and the area of the slope surface needing slope protection;
(2) cleaning impurities and unqualified soil on the slope surface, backfilling pits, grooves and ditches in the slope surface, and vibrating and leveling;
(3) positioning on the processed slope surface, and installing a first concrete frame beam, a second concrete frame beam and a fixed anchor to form a net-shaped slope protection structure;
(4) surface soil is backfilled in the grids of the net-shaped slope protection structure, and flowers and grass seeds are sown on the surface soil after the slope surface is cleaned and leveled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111374.XA CN110761304A (en) | 2019-11-14 | 2019-11-14 | Assembled anchor rod frame slope protection structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111374.XA CN110761304A (en) | 2019-11-14 | 2019-11-14 | Assembled anchor rod frame slope protection structure and construction method thereof |
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| CN110761304A true CN110761304A (en) | 2020-02-07 |
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| CN201911111374.XA Pending CN110761304A (en) | 2019-11-14 | 2019-11-14 | Assembled anchor rod frame slope protection structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232650A (en) * | 2021-12-02 | 2022-03-25 | 中交一公局第五工程有限公司 | Prefabricated anchor rod frame lattice beam structure and construction process thereof |
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| CN208441051U (en) * | 2018-06-27 | 2019-01-29 | 山东大学 | A kind of oblique slope protection prefabricated section and protective slope structure |
| CN209227561U (en) * | 2018-11-06 | 2019-08-09 | 河北省水利水电勘测设计研究院 | A kind of ecological revetment brick and ecological slope protection |
| CN110359452A (en) * | 2019-06-18 | 2019-10-22 | 兰州理工大学 | A kind of nodal-connection components, frame pre-stress cable bolting structure and construction method |
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2019
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Patent Citations (7)
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| JP4203187B2 (en) * | 1999-07-13 | 2008-12-24 | 慎一郎 林 | Underwater construction and construction method thereof |
| KR200439588Y1 (en) * | 2008-02-14 | 2008-04-21 | 주식회사씨앤테크 | Vegetation block for tree-planting around the rivers |
| CN105625263A (en) * | 2015-12-31 | 2016-06-01 | 扬州大学 | Assembly type ecological combined protection slope and construction method |
| CN206859235U (en) * | 2017-04-20 | 2018-01-09 | 深圳市路桥建设集团有限公司 | For the edge slope structure after the precast lattice beam of slope reinforcement and reinforcing |
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| CN114232650A (en) * | 2021-12-02 | 2022-03-25 | 中交一公局第五工程有限公司 | Prefabricated anchor rod frame lattice beam structure and construction process thereof |
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