CN115262588A - Assembled self-adaptive slope surface protection structure and construction method thereof - Google Patents
Assembled self-adaptive slope surface protection structure and construction method thereof Download PDFInfo
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- CN115262588A CN115262588A CN202210721407.8A CN202210721407A CN115262588A CN 115262588 A CN115262588 A CN 115262588A CN 202210721407 A CN202210721407 A CN 202210721407A CN 115262588 A CN115262588 A CN 115262588A
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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
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/129—Polyhedrons, tetrapods or similar bodies, whether or not threaded on strings
-
- 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
-
- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention discloses an assembled self-adaptive side slope surface protection structure and a construction method thereof, wherein the structure plays a role in protecting a side slope soil body, a lower protection assembly is paved at the toe position of the side slope soil body, an upper protection assembly is paved at the top position of the side slope, a middle protection assembly is arranged at the middle part of the side slope soil body, a settlement joint of a transverse slope surface is arranged on the slope surface, and the protection assembly consists of protection units. The construction method comprises the following steps: processing the prefabricated connecting piece and the prefabricated beam; excavating a node foundation groove and a prefabricated beam foundation groove; positioning and constructing settlement joints on the slope; installing an anchoring foundation without grouting; hoisting the prefabricated beam; installing a masonry framework; hoisting the stone structure; and tensioning the anchor rod to complete construction. The invention reserves the general advantages of the existing integrally prefabricated large-volume ecological protection, overcomes the defect of large weight of the integrally prefabricated large-volume ecological protection structure, is particularly suitable for the engineering which is inconvenient for mechanized construction in construction, is convenient for construction and has strong popularization.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to an assembled self-adaptive side slope surface protection structure and a construction method thereof.
Background
The traditional landslide control method at present comprises slope surface drainage, load reduction and back pressure, slide-resistant piles, retaining walls, anchoring and the like. Because the cost for constructing drainage facilities is low, the method becomes a preferred landslide stability management method, but the drainage effect is very little for large roads, railways and side slopes of water diversion projects.
Accordingly, structures related to ground anchoring such as retaining walls, slide piles, anchor lines, and the like are used on a large scale. Water conservancy and diversion engineering side slope often because considering supporting mode to side slope disturbance and ecological reason, mostly adopt lattice anchoring technique, or lattice anchoring technique collocation friction pile or barricade, and it has light structure, topography strong adaptability, is convenient for be under construction, disturbance advantage such as little, environmental protection.
However, the common slope protection mode easily causes the project diseases and geological disasters such as slope instability, uneven deformation of foundation, deformation of building, rock collapse, landslide, debris flow and the like. The anchor rod is an important means in anchoring engineering, is widely used for multi-anchor rod support of slope engineering, foundation pit engineering and the like, has the advantages of quick construction, light and handy equipment, simple technology, low cost and the like, and is favored in various engineering fields. The soil is a loose medium, the plastic deformation of the soil is large when the soil is acted by external force, and large displacement is not allowed in practical engineering, which is an important problem in the anchor rod technology.
Disclosure of Invention
The invention provides an assembled self-adaptive slope surface protection structure and a construction method thereof, and aims to solve the problems in the prior art.
The technical scheme of the invention is as follows: an assembled self-adaptive slope surface protection structure comprises an inclined slope soil body, wherein a lower protection assembly is paved at the position of the slope foot of the slope soil body, an upper protection assembly is paved at the position of the slope top of the slope soil body, a middle protection assembly is arranged in the middle of the slope soil body, a settlement joint of a transverse slope surface is arranged between the middle protection assembly and the lower protection assembly as well as between the middle protection assembly and the upper protection assembly, and the middle protection assembly, the lower protection assembly and the upper protection assembly are all composed of protection units.
Furthermore, the protection unit comprises a masonry framework, a rubble structure for protecting the side slope is arranged in the masonry framework, and clay for fixing is arranged between the masonry framework and the rubble structure.
Furthermore, the protection unit is in a quadrangle shape, two opposite angles of the protection unit are in the direction of the down slope, and the other two opposite angles of the protection unit are in the direction of the cross slope.
Further, the masonry framework comprises prefabricated beams forming four sides and prefabricated connecting pieces for fixing adjacent sides at the top points.
Furthermore, a buckle groove is formed in the side wall of the prefabricated connecting piece, one end of the prefabricated beam is fixed through the buckle groove, an anchor rod hole is formed in the prefabricated connecting piece, the prefabricated connecting piece and the prefabricated beam are assembled to form a protection space, and the masonry framework is fixed on a side slope through the anchor rod hole.
Furthermore, the slice stone structure is arranged in the protection space and comprises a square slice stone, a No. I slice stone and a No. II slice stone, and the square slice stone, the No. I slice stone and the No. II slice stone are assembled and then are adapted to the protection space.
Furthermore, the No. I slice stone and the No. II slice stone are in right-angle trapezoidal shapes, two bevel edges of the No. I slice stone and the No. II slice stone are spliced, and the square slice stone is adjacent to the trapezoidal top of the No. I slice stone and the No. II slice stone.
Furthermore, no. I clay seams are formed between the No. I flaky stones and the No. II flaky stones, and the No. I clay seams are along the slope direction.
And an anchor rod connecting piece is arranged in an anchor rod hole of the prefabricated connecting piece and is fixed in a side slope soil body.
A construction method of an assembly type self-adaptive slope surface protection structure comprises the following steps:
i, processing prefabricated connecting pieces and prefabricated cross beams in a factory
II, excavating node foundation groove and prefabricating beam foundation groove
Firstly, cleaning a side slope and keeping the slope surface smooth;
then, determining the placing positions of the prefabricated connecting pieces and the prefabricated cross beams;
finally, excavating a node foundation groove and a prefabricated beam foundation groove;
iii, positioning and constructing settlement joint on slope surface
Drilling and cleaning holes at the node foundation grooves, and installing an anchoring foundation without grouting;
hoisting the prefabricated beam in the prefabricated beam foundation slot position, and aligning and leveling the prefabricated beam;
vi.installation of masonry skeleton
Firstly, hoisting and placing a prefabricated connecting piece at a node foundation trench;
then, overlapping the prefabricated connecting piece and the prefabricated beam;
then, the anchor rod penetrates through the prefabricated connecting piece and is screwed tightly, the prefabricated connecting piece and the prefabricated cross beam are adjusted, the structure is guaranteed to be smooth, and the masonry framework is installed;
vii hoisting stone structure
Hoisting and placing an assembled dry-laid rubble structure in the prefabricated connecting piece and the prefabricated beam, and aligning and leveling;
stretch-draw stock, finish the construction
And (4) installing a pressure-bearing bedplate above the prefabricated connecting piece, installing an anchor head, tensioning the anchor rod, and finally sealing the anchor.
The invention has the following beneficial effects:
the split tenon-and-mortise inserting structure is adopted, the weight of a single lattice is light, the split tenon-and-mortise inserting structure is convenient to place and lay in the construction process, the construction is further convenient, the effect is particularly obvious under the condition that the mechanized construction cannot be realized, the split tenon-and-mortise inserting structure is easy to maintain after local damage, the large advantages of the existing integrally prefabricated large-volume ecological protection are kept, the defect that the integrally prefabricated large-volume ecological protection structure is large in weight is overcome, and the split tenon-and-mortise inserting structure is particularly suitable for the engineering inconvenient for mechanized construction in construction.
The invention is mainly constructed on site in an assembling mode, the prefabricated splicing blocks and the construction quality are easy to detect, the quality is controllable, the construction process is compact, the wet working surface is less, and by adopting the construction method, the pollution of solid garbage, dust, sewage, noise and the like can be greatly reduced on the construction site, the influence on the construction site environment is small, the invention has the advantages of civilized construction, environmental protection and the like, and the popularization is good.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective cross-sectional view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic plan view of the present invention;
FIG. 5 is a schematic view of the fixing of the masonry frame according to the present invention;
FIG. 6 is a fixed perspective view of a pressure platen of the present invention;
FIG. 7 is a flow chart of a method of the present invention;
wherein the content of the first and second substances,
1. masonry framework 2 prefabricated connecting piece
3. Prefabricated beam 4-piece stone structure
5. Clay 6 anchor rod hole
7. 8 stock in buckle groove
9. Expansion head 10 pressure-bearing bedplate
11. Slope soil 12 pedestal
13. Anchor rod external thread 14 waterproof layer
15. Anchoring body 16 settlement joint
41. Square stone 42I stone
43. No. II rubble 44 strip-shaped rubble
51. No. I clay seam No. 52 clay seam No. II
53. No. III clay seam.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and examples:
as shown in fig. 1 to 7, an assembled self-adaptive slope surface protection structure includes an inclined slope soil body 11, a lower protection assembly is laid at a toe position of the slope soil body 11, an upper protection assembly is laid at a top position of the slope soil body 11, a middle protection assembly is arranged in the middle of the slope soil body 11, a settlement joint 16 of a transverse slope surface is arranged between the middle protection assembly and the lower protection assembly, and between the middle protection assembly and the upper protection assembly, and the middle protection assembly, the lower protection assembly and the upper protection assembly are all composed of protection units.
The protection unit includes brickwork skeleton 1, be provided with the slabstone structure 4 that carries out the protection to the side slope in the brickwork skeleton 1, be provided with between brickwork skeleton 1, the slabstone structure 4 and carry out fixed clay 5.
The protection unit is in a quadrangle shape, two opposite angles of the protection unit are in the direction of the down slope, and the other two opposite angles of the protection unit are in the direction of the cross slope.
The masonry framework 1 comprises prefabricated beams 3 forming four sides and prefabricated connecting pieces 2 for fixing adjacent sides at vertexes.
The lateral wall department of prefabricated connecting piece 2 forms buckle groove 7, buckle groove 7 is fixed the one end of prefabricated crossbeam 3, be provided with anchor rod hole 6 in the prefabricated connecting piece 2, prefabricated crossbeam 3 are assembled and are formed protection space, fix brickwork skeleton 1 on the side slope through anchor rod hole 6.
No. I slice stone 42, no. II slice stone 43 are right angle trapezoidal form, two hypotenuses of No. I slice stone 42, no. II slice stone 43 are pieced together, square slice stone 41 is adjacent with No. I slice stone 42, no. II slice stone 43's ladder top.
No. I clay seam 51 is formed between No. I rubble 42, II rubble 43, no. I clay seam 51 is in the same direction as the slope.
An anchor rod connecting piece is arranged in an anchor rod hole 6 of the prefabricated connecting piece 2 and fixed in a side slope soil body 11.
Specifically, the stock connecting piece includes anchor 15, be provided with inflation head 9 in anchor 15, inflation head 9 department is provided with stock 8.
The free end of the anchor rod 8 passes through the anchor rod hole 6 of the prefabricated connecting piece 2, and an anchor rod external thread 13 is formed on the outer wall of the anchor rod 8.
The bottom of the prefabricated connecting piece 2 is provided with a waterproof layer 14.
The free end of the anchor rod 8 is provided with a pedestal 12 and a pressure bearing bedplate 10, and the pedestal 12 is positioned between the pressure bearing bedplate 10 and the prefabricated connecting piece 2.
Specifically, be provided with No. II clay seam 52 between square slabstone 41 and the No. I slabstone 42, be provided with No. III clay seam 53 between square slabstone 41 and the No. II slabstone 43.
No. I clay seam 51, no. II clay seam 52, no. III clay seam 53 are continuous herringbone shape, no. I clay seam 51 is the slope toe direction, no. II clay seam 52, no. III clay seam 53 and slope toe direction slope.
The masonry framework 1 is arranged towards the top of a slope in an angle mode, one angle is arranged towards the toe of the slope, and the No. I clay seams 51 are aligned to the top angle, facing the top of the slope, of the masonry framework 1.
And clay 5 is arranged between the square rubble 41, the No. I rubble 42, the No. II rubble 43 and the masonry framework 1.
Preferably, a strip-shaped flake 44 is further arranged in the clay 5 connecting the masonry framework 1 with the square flake 41, the No. I flake 42 and the No. II flake 43.
Preferably, the side slope is provided with settlement joints 16 every 15m along the length direction.
Green plants are arranged in the clay 5 and the settlement joint 16; 1, a square flaky stone 41, a No. I flaky stone 42 and a No. II flaky stone 43 are of an assembly type structure, and are hoisted and placed on site after being prefabricated in a factory according to a designed mode; finally, an assembled self-adaptive slope surface protection structure is formed.
An anchor rod hole 6 is reserved in the prefabricated connecting piece 2, and the mortise is circular. The concrete strength of the prefabricated beam 3 is not less than C20, and the prefabricated connecting piece 2 is of a groined structure.
And grouting is not performed in the construction process of the prefabricated connecting piece 2. All structures are connected into a whole, and the requirement of lattice anchoring is met.
The clay content in the flaky structure 4 is 20% -25%, and the flaky structure is made of rocks with low local manufacturing cost and good freezing resistance; filling the central position of the flaky stone structure with rocks in order to resist the freezing expansion property of the soil body; at the clay-rock interface, stress concentrations occur. Between the lattices, the beams are extruded by the lamellar stone structures at two sides, and frost heaving force is generated by frost heaving of soil bodies inside the side slopes.
The settlement joint 16 is filled with a mixture of grass seeds, wood fibers, a water retention agent, an adhesive, a fertilizer and water, which are wrapped with asphalt floc.
A construction method of an assembly type self-adaptive slope surface protection structure comprises the following steps:
i, processing prefabricated connecting pieces and prefabricated cross beams in a factory
II, excavating node foundation groove and prefabricating beam foundation groove
Firstly, cleaning a side slope and keeping the slope surface smooth;
then, determining the placing positions of the prefabricated connecting pieces and the prefabricated cross beams;
finally, excavating a node foundation groove and a prefabricated beam foundation groove;
iii, positioning and constructing settlement joints on slope surface
Drilling and cleaning holes at the node foundation grooves, and installing an anchoring foundation without grouting;
hoisting the prefabricated beam in the prefabricated beam foundation slot position, and aligning and leveling the prefabricated beam;
vi.installation of masonry skeleton
Firstly, hoisting and placing a prefabricated connecting piece at a node foundation trench;
then, overlapping the prefabricated connecting piece and the prefabricated beam;
then, the anchor rod penetrates through the prefabricated connecting piece and is screwed tightly, the prefabricated connecting piece and the prefabricated beam are adjusted, the structure is guaranteed to be flat, and the masonry framework is installed;
vii hoisting stone structure
Hoisting and placing an assembly type dry-laid stone slab structure in the prefabricated connecting piece and the prefabricated beam, and aligning and leveling;
stretch-draw stock, finish the construction
And (4) installing a pressure-bearing bedplate above the prefabricated connecting piece, installing an anchor head, tensioning the anchor rod, and finally sealing the anchor.
More specifically, the construction method of the assembly type self-adaptive slope surface protection structure comprises the following steps:
and i, performing corresponding calculation and design according to the side slope condition, finishing the arrangement and design of the prefabricated connecting piece 2 and the prefabricated beam 3, and performing the production of the prefabricated connecting piece 2 and the prefabricated beam 3 according to the design. And after the prefabrication of the components is finished, maintaining according to the standard, and conveying to a construction site after the standard is reached.
If the existing slope supporting structure is replaced, attention needs to be paid to the fact that the length of the prefabricated cross beam 3 is matched with the distance between the existing anchor rods.
And (4) designing, measuring and determining the positions of the corresponding anchoring points and the prefabricated beam 3, excavating the foundation trench according to the determined positions and flattening the side slope again.
If the existing side slope supporting structure is replaced, the existing side slope supporting structure needs to be cleaned, and the side slope needs to be leveled again, so that the new structural requirements are met.
And ii, carrying out side slope on-site cleaning, cleaning the floating soil on the surface of the side slope, and filling pits on the slope surface to ensure that the surface of the field is generally flat without obvious uneven height.
And then, according to the requirements of a construction site, hanging lines and lofting on the slope surface according to the size, and then excavating a radial soil body along the lofted route to form a groove, wherein the groove is used for embedding parts of various splicing blocks so as to provide the stability of the whole structure.
And after the trench is dug, firstly, backfilling and leveling the over-dug part at the bottom of the trench by using mortar, wherein the backfilling and leveling thickness is about 5-10cm.
After lofting and grooving, assembling of prefabricated connecting pieces 2 and prefabricated beams 3 in various masonry frameworks can be carried out, namely, assembling is carried out in the grooves as required.
Specifically, in the assembling process, the side slope is preferably assembled from the bottom to the top of the side slope.
In the assembling process, the prefabricated connecting piece 2 and the prefabricated beam 3 on one masonry framework are aligned with the prefabricated connecting piece 2 and the prefabricated beam 3 on the other masonry framework for assembling; and, scribble on first brickwork skeleton and second brickwork skeleton and have the clay to improve the fastness of two pieces of assembling.
The face that two brickwork frameworks contacted after assembling and the face that contacts with domatic face keep closely laminating.
After assembling, each piece body skeleton adopts the clay bonding to adopt the clay to fill and carry out the crack to the gap of each piece and slot both sides, the crack in-process, clay will be abundant and full, so that the gap can be filled.
And finally, after the pointing is finished, the whole structure is maintained in time, if the structure is wet and cooled, gaps are generated in the change process of the clay prevention and control clay, or the generated gaps are repaired in time, and the displacement deviation generated by various splicing blocks is prevented and controlled to influence the whole engineering quality. And after the maintenance reaches the construction requirement period and the maintenance is qualified, the construction of the side slope protection structure is completed.
In the lofting and grooving step, the width of the groove formed by excavation is not larger than the width of the corresponding prefabricated connecting piece 2 and the prefabricated beam 3, so that the smooth splicing of various splicing blocks in the groove can be realized to prevent the gaps generated by splicing.
Meanwhile, the depth of the groove is not larger than the pre-buried thickness of 5cm of the corresponding prefabricated connecting piece 2 and the prefabricated cross beam 3, so that the splicing blocks are prevented from being completely buried in the groove.
And iii, constructing expansion joints, namely arranging settlement joints 16 at intervals of about 15m along the length direction of the slope, wherein the width of each settlement joint is 2-3cm, the depth of each settlement joint is 13-15cm, and the joints are filled with a mixture of grass seeds, wood fibers, a water-retaining agent, an adhesive, a fertilizer and water, which are wrapped by asphalt hemp.
Drilling and arranging anchor rods according to the designed anchor rod positions, cleaning the slope surface before the anchor rods are erected, and cleaning loose pumice and floating soil one by one to level the slope surface as much as possible; after point repairing and lofting, drilling by using an air drill or an electric drill, wherein the drilling direction forms a vertical angle with the slope surface, and the hole is flushed and cleaned by using an air pipe after the hole drilling is finished; and (4) installing the anchor rod into the hole in the direction vertical to the slope surface without grouting.
After the anchor rod is installed, the prefabricated connecting piece 2 is placed at the corresponding position, and the anchor rod penetrates through an anchoring channel of the prefabricated connecting piece 2 to be fixed.
Corresponding prefabricated crossbeam 3 is hung around prefabricated connecting piece 2, and the mortise that prefabricated connecting piece 2 was inserted to the tenon of prefabricated crossbeam realizes the location of prefabricated crossbeam and prefabricated connecting piece 2.
And v, repeating the steps, and installing the prefabricated connecting piece 2 and the prefabricated beam 3 at the position of each corresponding prefabricated connecting piece 2 and each corresponding prefabricated beam 3, so that the framework lap joint of the side slope supporting structure is realized, and the balance of the whole structure is ensured.
In particular, when the protective structure is constructed on the embankment side slope, the construction is started from top to bottom because the slope direction along the side slope is generally adopted. In the concrete construction process, grooves are dug in the ground steps of the existing side slope, the ground steps of the grooves are filled, foot wall splicing blocks are arranged in the grooves, and the foot walls are formed by mutually splicing the foot wall splicing blocks. After the foot wall construction is completed, subsequent slope surface leveling, lofting and grooving, assembling, jointing and maintaining construction are carried out.
And vi, supporting a formwork at the joint of the prefabricated connecting piece 2 and the prefabricated beam 3, and pulling wires at the upper part to ensure that the prefabricated beam 3 after the pouring is finished is flush with the surface of the node, pouring concrete and vibrating while pouring, thereby ensuring the engineering quality.
And (5) curing the concrete after pouring is finished, and removing the formwork after the requirement is met.
And vii, hoisting and placing dry masonry at the fixed positions of the prefabricated nodes and the prefabricated beam 3, and aligning and leveling.
The assembled dry masonry stone structure is a factory prefabricated structure, and has strong structural stability when the clay content is 20% -25%.
Specifically, when the protective structure is constructed on an embankment side slope, firstly, a bottommost masonry framework is laid, and an anchor rod is driven into a prefabricated connecting piece 2 for reinforcement; hoisting the subsequent masonry framework until the masonry framework is laid; hoisting the assembled dry masonry structure to a corresponding position; and tightly combining the lower part of the masonry structure with a slope toe, and reserving a running water gap and an expansion joint according to corresponding design.
And (viii) tensioning the anchor rods, and erecting formwork grouting and sealing the anchor rods to realize a final side slope supporting structure.
The split tenon-and-mortise inserting structure is adopted, the weight of a single lattice is light, the split tenon-and-mortise inserting structure is convenient to place and lay in the construction process, the construction is further convenient, the effect is particularly obvious under the condition that the mechanized construction cannot be realized, the split tenon-and-mortise inserting structure is easy to maintain after local damage, the large advantages of the existing integrally prefabricated large-volume ecological protection are kept, the defect that the integrally prefabricated large-volume ecological protection structure is large in weight is overcome, and the split tenon-and-mortise inserting structure is particularly suitable for the engineering inconvenient for mechanized construction in construction.
The invention is mainly constructed on site in an assembling mode, the prefabricated splicing blocks and the construction quality are easy to detect, the quality is controllable, the construction process is compact, the wet working surface is less, and by adopting the construction method, the pollution of solid garbage, dust, sewage, noise and the like can be greatly reduced on the construction site, the influence on the construction site environment is small, the invention has the advantages of civilized construction, environmental protection and the like, and the popularization is good.
Claims (10)
1. The utility model provides a slope surface protective structure of assembled self-adaptation side slope, includes the side slope soil body (11) of slope, its characterized in that: the lower protection assembly is paved at the toe position of the side slope soil body (11), the upper protection assembly is paved at the top position of the side slope soil body (11), the middle part of the side slope soil body (11) is provided with the middle protection assembly, a settlement joint (16) of a transverse slope surface is arranged between the middle protection assembly and the lower protection assembly as well as between the middle protection assembly and the upper protection assembly, and the middle protection assembly, the lower protection assembly and the upper protection assembly are all composed of protection units.
2. The assembled self-adaptive slope surface protection structure according to claim 1, characterized in that: the protection unit comprises a masonry framework (1), a stone structure (4) for protecting the side slope is arranged in the masonry framework (1), and clay (5) for fixing is arranged between the masonry framework (1) and the stone structure (4).
3. The assembled self-adaptive slope surface protection structure according to claim 2, characterized in that: the protection unit is tetragonal, two diagonal downslope directions of protection unit, two other diagonal transverse slope directions of protection unit.
4. The assembled self-adaptive slope surface protection structure according to claim 3, wherein: the masonry framework (1) comprises prefabricated beams (3) forming four sides and prefabricated connecting pieces (2) for fixing adjacent sides at the top points.
5. The assembly type self-adaptive slope surface protection structure according to claim 4, characterized in that: the side wall of the prefabricated connecting piece (2) is provided with a buckle groove, the buckle groove fixes one end of the prefabricated beam (3), an anchor rod hole (6) is formed in the prefabricated connecting piece (2), the prefabricated connecting piece (2) and the prefabricated beam (3) are assembled to form a protection space, and the masonry framework (1) is fixed on a side slope through the anchor rod hole (6).
6. The assembled self-adaptive slope surface protection structure of claim 5, wherein: piece stone structure (4) set up in the guard space, piece stone structure (4) are including square piece stone (41), I piece stone (42), II piece stone (43), suit with the guard space after square piece stone (41), I piece stone (42), II piece stone (43) are assembled.
7. The assembled self-adaptive slope surface protection structure of claim 6, wherein: no. I slice stone (42), no. II slice stone (43) are right angle trapezoidal form, two hypotenuses of No. I slice stone (42), no. II slice stone (43) are pieced together, square slice stone (41) are adjacent with the bench-top of No. I slice stone (42), no. II slice stone (43).
8. The assembled self-adaptive slope surface protection structure according to claim 7, wherein: no. I clay seam (51) is formed between No. I flakelet (42), no. II flakelet (43), no. I clay seam (51) is in the same direction as the slope.
9. The assembled self-adaptive slope surface protection structure according to claim 8, wherein: an anchor rod connecting piece is arranged in an anchor rod hole (6) of the prefabricated connecting piece (2) and is fixed in a side slope soil body (11).
10. The construction method of the assembled self-adaptive slope surface protection structure according to claim 1, characterized in that: the method comprises the following steps:
processing prefabricated connecting pieces and prefabricated cross beams in factory
(ii) excavating node foundation groove and prefabricating beam foundation groove
Firstly, cleaning a side slope and keeping the slope surface smooth;
then, determining the placing positions of the prefabricated connecting pieces and the prefabricated cross beams;
finally, excavating a node foundation groove and a prefabricated beam foundation groove;
(iii) positioning and constructing settlement joints on slope
(iv) drilling and cleaning holes at the node foundation groove, and installing an anchoring foundation without grouting;
(v) hoisting the prefabricated beam in the prefabricated beam foundation groove, and aligning and leveling the prefabricated beam;
(vi) installing the masonry framework
Firstly, hoisting and placing a prefabricated connecting piece at a node foundation trench;
then, overlapping the prefabricated connecting piece and the prefabricated beam;
then, the anchor rod penetrates through the prefabricated connecting piece and is screwed tightly, the prefabricated connecting piece and the prefabricated beam are adjusted, the structure is guaranteed to be flat, and the masonry framework is installed;
(vii) hoisting rubble structure
Hoisting and placing an assembled dry-laid rubble structure in the prefabricated connecting piece and the prefabricated beam, and aligning and leveling;
(viii) tensioning the anchor rod, completing the construction
And (4) installing a pressure-bearing bedplate above the prefabricated connecting piece, installing an anchor head, tensioning the anchor rod, and finally sealing the anchor.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08184051A (en) * | 1994-12-27 | 1996-07-16 | Maeda Seikan Kk | Execution method of slope frame block with greening vegetation body |
| CN202787282U (en) * | 2012-09-25 | 2013-03-13 | 赵振国 | Step type wet masonry rock berm roadbed side slope |
| CN203514256U (en) * | 2013-07-18 | 2014-04-02 | 管大为 | Sash type river bank revetment structure |
| CN208293521U (en) * | 2018-01-23 | 2018-12-28 | 张靖 | A kind of ecological riverway shore protection |
| CN113668576A (en) * | 2021-09-06 | 2021-11-19 | 河北建筑工程学院 | Assembled type flaky stone slope surface protection structure and construction method |
-
2022
- 2022-06-24 CN CN202210721407.8A patent/CN115262588B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08184051A (en) * | 1994-12-27 | 1996-07-16 | Maeda Seikan Kk | Execution method of slope frame block with greening vegetation body |
| CN202787282U (en) * | 2012-09-25 | 2013-03-13 | 赵振国 | Step type wet masonry rock berm roadbed side slope |
| CN203514256U (en) * | 2013-07-18 | 2014-04-02 | 管大为 | Sash type river bank revetment structure |
| CN208293521U (en) * | 2018-01-23 | 2018-12-28 | 张靖 | A kind of ecological riverway shore protection |
| CN113668576A (en) * | 2021-09-06 | 2021-11-19 | 河北建筑工程学院 | Assembled type flaky stone slope surface protection structure and construction method |
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| Publication number | Publication date |
|---|---|
| CN115262588B (en) | 2023-11-24 |
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