CN117266190A - Prefabricated assembly type overlapped lattice beam ecological slope protection structure and construction method - Google Patents
Prefabricated assembly type overlapped lattice beam ecological slope protection structure and construction method Download PDFInfo
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- CN117266190A CN117266190A CN202210671568.0A CN202210671568A CN117266190A CN 117266190 A CN117266190 A CN 117266190A CN 202210671568 A CN202210671568 A CN 202210671568A CN 117266190 A CN117266190 A CN 117266190A
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 239000004567 concrete Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000009966 trimming Methods 0.000 claims description 10
- 238000005553 drilling Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- -1 sound Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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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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- 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
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Abstract
The invention discloses a prefabricated assembled superposed lattice beam ecological slope protection structure and a construction method, wherein the construction method mainly comprises the following steps: and (3) anchor rods are arranged, an attachment net is hung, a prefabricated superposed beam is arranged at a corner part, a straight superposed beam is arranged, core filling concrete is poured, and a lattice beam is constructed circularly. The invention prefabricates the superposed beams along the corner parts in the range of the top lattice beam installed by the anchor rods; then a horizontal type laminated beam is longitudinally and transversely arranged between the prefabricated laminated beams at the corner positions; pouring core filling concrete in the superposition cavity, and solidifying the prefabricated superposition Liang Zongheng together; and further circularly constructing the lower layer lattice beam until finishing. The invention has the advantages of high standardization degree, reliable quality, convenient construction, energy conservation, environmental protection, good ecology and high safety.
Description
Technical Field
The invention relates to a prefabricated overlapped lattice beam ecological slope protection structure which is suitable for slope support construction in the fields of buildings, highways, municipal roads, river channels and the like, and is particularly suitable for slope support construction with high ecological requirements.
Background
When the traditional side slope construction adopts lattice beam support, cast-in-situ reinforced concrete is generally adopted. The cast-in-situ construction has a plurality of problems: firstly, after the lattice beam steel bars are installed, the concrete pouring time is long, so that the construction period is long; secondly, a template is supported on the slope, the supporting difficulty is high, and the construction efficiency is low. The concrete is very easy to have the quality problems of uncompacted beam body vibration, die running and the like when pouring and vibrating. If the concrete slump is improperly controlled or the concrete is vibrated excessively, the whole inclined beam is caused to slump, and great construction difficulty is brought to the concrete construction; thirdly, a large number of workers are required for binding the reinforcing steel bars and pouring concrete, and industrialization cannot be realized.
Therefore, the construction method for developing the prefabricated assembled superposed lattice beam ecological slope protection structure with high standardization degree, reliable quality, convenient construction, energy conservation, environmental protection, good ecology and high safety is particularly critical. The invention is developed under the background, and the invention can be applied to the construction of the practical lattice Liang Hupo to obtain obvious economic benefit and social benefit.
Disclosure of Invention
The invention aims to solve the problems of long construction period, large formwork erection difficulty, difficult guarantee of concrete quality of a lattice beam, low industrialization degree and the like of a cast-in-situ lattice beam, and provides a construction method of a prefabricated assembly type overlapped lattice beam ecological slope protection structure.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the prefabricated overlapped lattice beam ecological slope protection structure comprises lattice beams; the lattice beam is formed by assembling prefabricated superposed beams; the prefabricated laminated beam comprises a cross laminated beam, a T-shaped laminated beam, an L-shaped laminated beam and a straight laminated beam, and laminated cavities are arranged in the prefabricated laminated beam; the cross-shaped superposed beam, the T-shaped superposed beam and the L-shaped superposed beam are arranged at the corner part of the lattice beam and are fixed on the slope through anchor rods; a cross-shaped laminated beam, a T-shaped laminated beam and an L-shaped laminated beam are longitudinally and transversely arranged; adjacent prefabricated superposed beams are mutually meshed through rabbets and are mutually tied through reinforcement cages; core filling concrete is arranged in the overlapping cavity.
Preferably, a positioning block is arranged in the center of the cross type laminated beam, and a laminated cavity is arranged around the positioning block; a positioning block is arranged in the center of the T-shaped superposed beam, and superposed cavities are arranged on three sides of the positioning block; the center of the L-shaped superposed beam is provided with a positioning block, and two sides of the positioning block are provided with superposed cavities; the center of the in-line laminated beam is provided with a laminated cavity; the overlapping cavity is formed by encircling two overlapping panels which are symmetrically arranged, and lattice ribs and panel ribs are arranged between the overlapping panels; the end of the overlapped panel is provided with a tongue-and-groove; the center of the positioning block is provided with an anchor rod hole.
Preferably, the three-dimensional net is arranged in the center of the attachment net, and the plane net is arranged around the attachment net.
Preferably, the lattice beams are arranged in a chessboard shape, and the lattice beams are enclosed to form a planting area.
Preferably, the plane net part of the attachment net is arranged between the lattice beam and the slope and is fixed by an anchor rod; the three-dimensional net part of the attachment net is arranged in the planting area, and the planting base material is arranged at the upper part of the three-dimensional net part.
The construction method of the prefabricated overlapped lattice beam ecological slope protection structure comprises the following steps:
step one, trimming a slope: and trimming the slope from top to bottom, and cleaning the slope after finishing trimming the slope in the construction range of the top lattice beam.
Step two, anchoring an anchor rod and hanging an attachment net: measuring holes, drilling holes, cleaning holes, drilling anchor rods and grouting on the trimmed slope; further hang the attachment net on the stock by pieces, specifically: the attachment nets pass through the anchor rods piece by piece and are placed on the slope surface, so that the plane net parts of the adjacent attachment nets are overlapped with each other, and the overlapped areas are bound and fixed.
Step three, installing a prefabricated superposed beam at a corner part: according to the sequence of 'from one side to the other side', a cross type laminated beam, a T-shaped laminated beam and an L-shaped laminated Liang Yici in the construction range of the top lattice beam penetrate through the anchor rods and are placed on the slope; the position of the superposed beam is adjusted, so that the mounting position of the superposed beam is accurate, and the beam body is smooth; a backing plate is arranged at the end of the anchor rod and nuts are screwed, so that the superposition Liang Jinya is attached to the net and fixed on the slope.
Step four, installing a straight superposed beam: a horizontal type laminated beam is longitudinally and transversely arranged among the installed cross type laminated beam, the T-shaped laminated beam and the L-shaped laminated beam according to the sequence of 'from top to bottom and from one side to the other side', the horizontal type laminated Liang Laogu is embedded and pressed on the attachment net, and the adjacent laminated beams are tightly clamped through the grooved and tongued joint; and then installing reinforcement cages between adjacent superposed beams in the longitudinal and transverse directions according to the sequence of 'from top to bottom and from one side to the other side', and firmly welding the reinforcement cages with panel ribs on two sides.
Pouring core filling concrete: cleaning up the superposition cavity of the mounted superposition beam and fully wetting with water; pouring core filling concrete in the transverse superposition cavity according to the sequence from one side to the other side, and solidifying the prefabricated superposition beams positioned on the same layer together; and pouring core filling concrete in the longitudinal overlapping cavities according to the sequence from bottom to top, and solidifying the prefabricated overlapping beams positioned on the upper layer and the lower layer together.
Step six, circularly constructing the lattice beam: referring to the first step to the fifth step, a line operation construction mode of 'finishing a slope surface downwards every time, namely downwards constructing a layer of lattice beams' is adopted, and the lower layer of lattice beams are constructed circularly until all lattice beams are constructed.
Step seven, spraying the planting base material: spraying a planting substrate in the planting area so that the planting substrate is attached to the stereoscopic net; and then, performing covering maintenance on the planting base material.
The invention has the following characteristics and beneficial effects:
(1) The standardization level is high. The lattice Liang Cafen is four prefabricated laminated beams, the laminated beam components are standardized, uniformly arranged in the same category, and are subjected to factory fixed-point production and processing, and all links of processing, transportation, installation and the like of the prefabricated laminated beams are tightly combined, so that standardization, programming and industrialization of lattice beam construction are realized. The cross type laminated beam, the T-shaped laminated beam and the L-shaped laminated beam are suitable for the position of the lattice Liang Zhuaijiao, the straight laminated beam is suitable for the position of the lattice Liang Biaozhun, and the on-site installation is convenient and rapid without cutting a beam body.
(2) The quality is reliable. The prefabricated superposed beam member adopts factory prefabrication, the structural dimension is comparatively accurate, and during on-site construction, the beam body equipment is easier to control, and the superposed beam is vertically and horizontally connected through post-cast concrete to form a whole, and the structure of lattice beam is firm, has reached "equal cast-in-place" effect, and then can effectively reduce reworking and repair, practices thrift the cost. In addition, the problems of uncompacted vibration, die running and the like of the beam body are not easy to occur in the construction process, and the quality of concrete is ensured.
(3) The construction is convenient. The application of the lattice beam superposition assembly process omits a large number of site formwork supporting operations, reduces a large number of site wet operations, has less labor resource investment, obviously improves the mechanization degree, obviously reduces the labor intensity of operators and greatly improves the construction efficiency.
(4) Energy saving and environmental protection. Compared with the traditional formwork supporting technology, the laminated lattice beam has less wet operation on the construction site, thereby reducing the on-site concrete pouring and the generation of 'garbage sources', effectively controlling the discharge of water, gas, sound, slag and dust in construction, and having obvious advantages in the aspect of environmental protection.
(5) The ecology is good. An attaching net is arranged in the lattice beam planting area, and can effectively attach planting base materials and prevent water and soil loss, so that the ecological effect of the lattice Liang Hupo is improved.
(6) The safety is high. By adopting the line production construction mode of 'finishing a layer of slope downwards, namely constructing a layer of lattice beam downwards', the excavated slope can be timely protected, the problems of slope collapse and the like are effectively avoided, and the safety is higher.
Drawings
FIG. 1 is a schematic view of a prefabricated composite beam assembly;
FIG. 2 is a top view of a prefabricated stacked lattice beam ecological slope protection structure;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a top view of a cross-shaped composite beam;
FIG. 5 is a top view of a T-shaped composite beam;
FIG. 6 is a top view of an L-shaped laminated beam;
FIG. 7 is a top view of a inline laminated beam;
FIG. 8 is a top view of an attachment net;
FIG. 9 is a cross-sectional view of an attachment net;
FIG. 10 is a schematic view of a finishing ramp;
FIG. 11 is a schematic illustration of bolting and hanging an attachment net;
FIG. 12 is a schematic view of a prefabricated composite beam at the installation corner;
FIG. 13 is a schematic view of an installation of a straight laminated beam;
FIG. 14 is a schematic illustration of core concrete placement;
FIG. 15 is a schematic view of a cyclic construction lattice beam;
fig. 16 is a schematic view of a spray-planted substrate.
In the figure: 1. prefabricated laminated beams, 101, cross laminated beams, 102, T-shaped laminated beams, 103, L-shaped laminated beams, 104, I-shaped laminated beams, 105, positioning blocks, 1051, anchor rod holes, 106, laminated panels, 107, lattice ribs, 108, panel ribs, 109, laminated cavities, 2, attachment nets, 201, three-dimensional nets, 202, plane nets, 3, anchor rods, 4, core filling concrete, 5, reinforcement cages, 6, lattice beams, 7, planting areas, 8, sloping surfaces and 9, planting base materials.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, and the following examples are not intended to limit the scope of the invention. The construction method of the ecological slope protection structure of the prefabricated overlapped lattice beam is adopted in the slope protection engineering of a certain road.
Referring to fig. 1, the prefabricated overlapped lattice beam ecological slope protection structure comprises lattice beams 6; the lattice beam 6 is formed by assembling prefabricated laminated beams 1; the prefabricated composite beam 1 is a prefabricated component processed by C30 concrete and comprises four forms of a cross composite beam 101, a T-shaped composite beam 102, an L-shaped composite beam 103 and a straight composite beam 104; the cross type laminated beam 101, the T-shaped laminated beam 102 and the L-shaped laminated beam 103 are arranged at the corner of the lattice beam 6 and are fixed on the slope surface 8 through the anchor rods 3; a horizontal type laminated beam 104 is arranged between the cross type laminated beam 101, the T-shaped laminated beam 102 and the L-shaped laminated beam 103 in the longitudinal and transverse directions; adjacent prefabricated superposed beams 1 are mutually meshed through rabbets and are mutually tied through reinforcement cages 5; and pouring core filling concrete 4 in the superposition cavity 109, wherein the core filling concrete 4 adopts C30 fine stone concrete.
As shown in fig. 2 and 3, the lattice beams 6 are arranged in a chessboard shape, a plurality of planting areas 7 are formed by enclosing the lattice beams 6, and the plane size of the planting areas 7 is 3.1mx3.1m; the plane net 202 part of the attachment net 2 is paved between the lattice beam 6 and the slope 8 and is fixed by the anchor rods 3; the three-dimensional net 201 of the attachment net 2 is partially laid in the planting area 7, and the planting base material 9 is sprayed on the upper portion thereof.
As shown in fig. 4, the cross-shaped laminated beam 101 is a prefabricated component processed by adopting C30 concrete, the total length 1650mm, the total width 1650mm and the total width 350mm, the center of the beam body is provided with a positioning block 105, and the periphery of the positioning block 105 is provided with a laminated cavity 109; the overlapping cavity 109 is formed by encircling two overlapping panels 106 symmetrically, lattice ribs 107 and panel ribs 108 are embedded between the overlapping panels 106, the thickness of the overlapping panels 106 is 80mm, and the net width of the overlapping cavity 109 is 190mm; the end of the laminated panel 106 is provided with a tongue-and-groove; the center of the positioning block 105 is provided with a bolt hole 1051.
As shown in fig. 5, the T-shaped superposed beam is a prefabricated component processed by C30 concrete, the total length is 1650mm, the total width is 1000mm, the total width is 350mm, the center of the beam body is provided with a positioning block 105, and three sides of the positioning block 105 are provided with superposed cavities 109; the overlapping cavity 109 is formed by encircling two overlapping panels 106 symmetrically, lattice ribs 107 and panel ribs 108 are arranged between the overlapping panels 106, the thickness of the overlapping panels 106 is 80mm, and the net width of the overlapping cavity 109 is 190mm; the end of the laminated panel 106 is provided with a tongue-and-groove; the center of the positioning block 105 is provided with a bolt hole 1051.
As shown in fig. 6, the L-shaped laminated beam 103 is a prefabricated member processed by adopting C30 concrete, the total length is 1000mm, the total width is 1000mm, and the total width is 350mm, the center of the beam body is provided with a positioning block 105, and two sides of the positioning block 105 are provided with laminated cavities 109; the overlapping cavity 109 is formed by encircling two overlapping panels 106 symmetrically, lattice ribs 107 and panel ribs 108 are arranged between the overlapping panels 106, the thickness of the overlapping panels 106 is 80mm, and the net width of the overlapping cavity 109 is 190mm; the end of the laminated panel 106 is provided with a tongue-and-groove; the anchor rod hole 1051 is provided in the center of the positioning block 105.
As shown in fig. 7, the in-line laminated beam 104 is a prefabricated component processed by adopting C30 concrete, the total length is 1880mm, the total width is 350mm, and a laminated cavity 109 is arranged in the center of the beam body; the overlapping cavity 109 is formed by encircling two overlapping panels 106 symmetrically, lattice ribs 107 and panel ribs 108 are arranged between the overlapping panels 106, the thickness of the overlapping panels 106 is 80mm, and the net width of the overlapping cavity 109 is 190mm; the end of the laminated panel 106 is provided with a tongue and groove.
As shown in fig. 8 and 9, the three-dimensional net 201 is provided in the center of the attachment net 2, the plane net 202 is provided around the attachment net 2, the attachment net 2 is processed by galvanized steel wire net, and the single-sheet plane size is 3.8mx3.8m.
As shown in fig. 10, the slope is trimmed from top to bottom, and after trimming the slope 8 within the construction range of the top lattice beam 6, the slope 8 is cleaned.
As shown in fig. 11, the trimmed slope surface 8 is subjected to hole measurement, drilling, hole cleaning, anchor rod 3 drilling and grouting; further hang the attachment net 2 on stock 3 burst, specifically: the attachment nets 2 are placed on the slope surface 8 through the anchor rods 3 one by one, so that the plane nets 202 of the adjacent attachment nets 2 are partially overlapped with each other, and the overlapped areas are bound and fixed.
As shown in fig. 12, the cross type laminated beam 101, the T-shaped laminated beam 102 and the L-shaped laminated beam 103 within the construction range of the top lattice beam 6 are placed on the slope surface 8 by passing through the anchor rods 3 in this order from one side to the other side; the position of the superposed beam is adjusted, so that the mounting position of the superposed beam is accurate, and the beam body is smooth; a backing plate is mounted on the end of the anchor rod 3 and nuts are screwed so that the stack Liang Jinya attaches the net 2 and is fixed to the slope 8.
As shown in fig. 13, a rectangular laminated beam 104 is longitudinally and longitudinally installed among the installed cross laminated beam 101, the T-shaped laminated beam 102 and the L-shaped laminated beam 103 in the order of 'from top to bottom and from one side to the other side', the rectangular laminated beam 104 is firmly embedded and pressed on the attachment net 2, and the adjacent laminated beams are tightly clamped through tongue-and-groove seaming; thereafter, the reinforcement cages 5 are installed longitudinally and transversely between the adjacent superimposed beams in the order of "from top to bottom, from side to side", and the reinforcement cages 5 are welded firmly with the panel ribs 108 on both sides.
As shown in fig. 14, the interior of the lamination chamber 109 where the lamination beam is installed is cleaned and sufficiently wetted with water; pouring core filling concrete 4 in the transverse superposition cavity 109 in the order of 'from side to side', and solidifying the prefabricated superposition beams 1 positioned on the same layer together; and pouring core filling concrete 4 in the longitudinal superposition cavity 109 in the order of 'from bottom to top', and solidifying the prefabricated superposition beams 1 positioned on the upper layer and the lower layer together.
Referring to step one to step five, as shown in fig. 15, the lower layer of lattice beams 6 are circularly constructed by adopting a line construction mode of 'finishing one layer of slope surface 8 downwards, namely, constructing one layer of lattice beams 6 downwards', until all the lattice beams 6 are constructed.
As shown in fig. 16, the planting base material 9 is sprayed in the planting area 7 so that the planting base material 9 is attached to the three-dimensional net 201; thereafter, the planting base material 9 is subjected to covering maintenance.
The construction steps of the prefabricated overlapped lattice beam ecological slope protection structure comprise:
step one, trimming a slope: and trimming the slope from top to bottom, and cleaning the slope 8 after finishing trimming the slope 8 in the construction range of the top lattice beam 6.
Step two, anchoring an anchor rod and hanging an attachment net: measuring holes, drilling holes, cleaning holes, drilling anchor rods 3 and grouting on the trimmed slope surface 8; further hang the attachment net 2 on stock 3 burst, specifically: the attachment nets 2 are placed on the slope surface 8 through the anchor rods 3 one by one, so that the plane nets 202 of the adjacent attachment nets 2 are partially overlapped with each other, and the overlapped areas are bound and fixed.
Step three, installing a prefabricated superposed beam at a corner part: according to the order of 'from side to side', the cross type laminated beam 101, the T-shaped laminated beam 102 and the L-shaped laminated beam 103 in the construction range of the top lattice beam 6 are sequentially placed on the slope surface 8 through the anchor rods 3; the position of the superposed beam is adjusted, so that the mounting position of the superposed beam is accurate, and the beam body is smooth; a backing plate is mounted on the end of the anchor rod 3 and nuts are screwed so that the stack Liang Jinya attaches the net 2 and is fixed to the slope 8.
Step four, installing a straight superposed beam: a horizontal type laminated beam 104 is longitudinally and longitudinally arranged among the installed cross type laminated beam 101, the T-shaped laminated beam 102 and the L-shaped laminated beam 103 according to the sequence of 'from top to bottom and from one side to the other side', the horizontal type laminated beam 104 is firmly embedded and pressed on the attachment net 2, and the adjacent laminated beams are tightly clamped through a tongue-and-groove joint; thereafter, the reinforcement cages 5 are installed longitudinally and transversely between the adjacent superimposed beams in the order of "from top to bottom, from side to side", and the reinforcement cages 5 are welded firmly with the panel ribs 108 on both sides.
Pouring core filling concrete: cleaning the interior of the lamination cavity 109 of the installed lamination beam and fully wetting the interior with water; pouring core filling concrete 4 in the transverse superposition cavity 109 in the order of 'from side to side', and solidifying the prefabricated superposition beams 1 positioned on the same layer together; and pouring core filling concrete 4 in the longitudinal superposition cavity 109 in the order of 'from bottom to top', and solidifying the prefabricated superposition beams 1 positioned on the upper layer and the lower layer together.
Step six, circularly constructing the lattice beam: referring to the first step to the fifth step, the lower layer of the lattice beams 6 are circularly constructed by adopting a line production construction mode of 'finishing one layer of slope surface 8 downwards, namely downwards constructing one layer of lattice beams 6', until all the lattice beams 6 are constructed.
Step seven, spraying the planting base material: spraying the planting substrate 9 in the planting area 7 so that the planting substrate 9 is attached to the three-dimensional net 201; thereafter, the planting base material 9 is subjected to covering maintenance.
The present invention has been described in detail with reference to the embodiments, but the description is only the preferred embodiments of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention should be considered as falling within the scope of the present invention.
Claims (6)
1. Prefabricated assembled coincide lattice beam ecological slope protection structure, its characterized in that: comprising lattice beams (6); the lattice beam (6) is formed by assembling prefabricated superposed beams (1); the prefabricated laminated beam (1) comprises a cross laminated beam (101), a T-shaped laminated beam (102), an L-shaped laminated beam (103) and a straight laminated beam (104), and laminated cavities (109) are formed in the prefabricated laminated beam (1); the cross type superposed beam (101), the T-shaped superposed beam (102) and the L-shaped superposed beam (103) are arranged at the corner of the lattice beam (6) and are fixed on the slope (8) through anchor rods (3); a horizontal type laminated beam (104) is arranged between the cross type laminated beam (101), the T-shaped laminated beam (102) and the L-shaped laminated beam (103) in the longitudinal and transverse directions; the adjacent prefabricated superposed beams (1) are mutually meshed through rabbets and are mutually tied through reinforcement cages (5); and core filling concrete (4) is arranged in the superposition cavity (109).
2. The prefabricated stacked lattice beam ecological slope protection structure of claim 1, wherein: the center of the cross type superposed beam (101) is provided with a positioning block (105), and superposition cavities (109) are formed around the positioning block (105); a positioning block (105) is arranged in the center of the T-shaped superposed beam, and superposed cavities (109) are formed on three sides of the positioning block (105); the center of the L-shaped superposed beam (103) is provided with a positioning block (105), and two sides of the positioning block (105) are provided with superposed cavities (109); the center of the in-line laminated beam (104) is provided with a laminated cavity (109); the overlapping cavity (109) is formed by encircling two overlapping panels (106) which are symmetrically arranged, and lattice ribs (107) and panel ribs (108) are arranged between the overlapping panels (106); the end part of the laminated panel (106) is provided with a tongue-and-groove; the center of the positioning block (105) is provided with an anchor rod hole (1051).
3. The prefabricated stacked lattice beam ecological slope protection structure of claim 1, wherein: the three-dimensional net (201) is arranged in the center of the attaching net (2), and the plane net (202) is arranged around the attaching net.
4. The prefabricated stacked lattice beam ecological slope protection structure of claim 1, wherein: the lattice beams (6) are arranged in a chessboard shape, and planting areas (7) are formed by enclosing the lattice beams (6).
5. The prefabricated stacked lattice beam ecological slope protection structure of claim 1, wherein: the plane net (202) part of the attachment net (2) is arranged between the lattice beam (6) and the slope (8) and is fixed through the anchor rod (3); the three-dimensional net (201) of the attachment net (2) is partially arranged in the planting area (7), and a planting substrate (9) is arranged at the upper part of the three-dimensional net.
6. The construction method of the prefabricated overlapped lattice beam ecological slope protection structure is characterized by comprising the following steps of:
step one, trimming a slope: trimming the slope from top to bottom, and cleaning the slope (8) after finishing trimming the slope (8) in the construction range of the top lattice beam (6);
step two, anchoring an anchor rod and hanging an attachment net: measuring holes, drilling holes, cleaning holes, drilling anchor rods (3) on the trimmed slope (8) and grouting; further, an attaching net (2) is hung on the anchor rod (3) in a slicing way, and the attaching net is specifically as follows: the attachment nets (2) pass through the anchor rods (3) one by one and are placed on the slope (8) so that the plane nets (202) of the adjacent attachment nets (2) are overlapped with each other, and then the overlapped areas are bound and fixed;
step three, installing a prefabricated superposed beam at a corner part: according to the sequence of 'from one side to the other side', a cross type laminated beam (101), a T-shaped laminated beam (102) and an L-shaped laminated beam (103) in the construction range of the top lattice beam (6) are placed on a slope (8) by penetrating through anchor rods (3) in sequence; the position of the superposed beam is adjusted, so that the mounting position of the superposed beam is accurate, and the beam body is smooth; installing a backing plate at the end part of the anchor rod (3) and screwing a nut, so that the superposition Liang Jinya is attached to the net (2) and fixed on the slope (8);
step four, installing a straight superposed beam: a horizontal type laminated beam (104) is longitudinally and longitudinally arranged among the installed cross type laminated beam (101), the T-shaped laminated beam (102) and the L-shaped laminated beam (103) in the order of from top to bottom and from one side to the other side, the horizontal type laminated beam (104) is firmly embedded and pressed on the attachment net (2), and the adjacent laminated beams are tightly clamped through tongue-and-groove joint; secondly, longitudinally and transversely installing reinforcement cages (5) between adjacent superposed beams according to the sequence of 'from top to bottom and from one side to the other side', and firmly welding the reinforcement cages (5) with panel ribs (108) at two sides;
pouring core filling concrete: cleaning up the interior of a superposition cavity (109) of the mounted superposition beam and fully wetting with water; pouring core filling concrete (4) in the transverse superposition cavity (109) according to the sequence from one side to the other side, and solidifying the prefabricated superposition beams (1) positioned on the same layer; pouring core filling concrete (4) in the longitudinal overlapping cavity (109) according to the sequence from bottom to top, and solidifying the prefabricated overlapping beams (1) positioned on the upper layer and the lower layer together;
step six, circularly constructing the lattice beam: referring to the first step to the fifth step, a line production construction mode of 'finishing a slope (8) every time downwards, namely downwards constructing a layer of lattice beams (6)', and circularly constructing the lower layer of lattice beams (6) until all the lattice beams (6) are constructed;
step seven, spraying the planting base material: spraying a planting substrate (9) in the planting area (7) so that the planting substrate (9) is attached to the three-dimensional net (201); and then, the planting base material (9) is subjected to covering maintenance.
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| CN202210671568.0A CN117266190A (en) | 2022-06-15 | 2022-06-15 | Prefabricated assembly type overlapped lattice beam ecological slope protection structure and construction method |
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| CN202210671568.0A CN117266190A (en) | 2022-06-15 | 2022-06-15 | Prefabricated assembly type overlapped lattice beam ecological slope protection structure and construction method |
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