CN114837029A - Prefabricated wallboard roadbed structure and construction method - Google Patents
Prefabricated wallboard roadbed structure and construction method Download PDFInfo
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- CN114837029A CN114837029A CN202210339252.1A CN202210339252A CN114837029A CN 114837029 A CN114837029 A CN 114837029A CN 202210339252 A CN202210339252 A CN 202210339252A CN 114837029 A CN114837029 A CN 114837029A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 53
- 239000010959 steel Substances 0.000 claims description 53
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000002689 soil Substances 0.000 abstract description 20
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/006—Foundations for pavings made of prefabricated single units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention discloses an assembled prefabricated wall panel roadbed structure and a construction method, belonging to the technical field of roadbed construction, and comprising a side slope and a first prefabricated plate arranged on the plane of the side slope, wherein one end of the first prefabricated plate is lapped on the plane of the top of the side slope, a cast-in-place section is arranged between one end of the first prefabricated plate lapped on the plane of the top of the side slope and a roadbed on the side slope, the cast-in-place section is used for fixedly connecting the first prefabricated plate and the roadbed on the side slope, and one end of the first prefabricated plate, which is far away from the side slope, extends out along the transverse direction; meanwhile, a second prefabricated plate is arranged at the bottom of the first prefabricated plate and is vertically arranged, one end of the second prefabricated plate abuts against the bottom surface of the first prefabricated plate, and the other end of the second prefabricated plate is inserted into an inclined plane of the side slope. The prefabricated wallboard roadbed structure of assembled in this application is whole to be under construction conveniently, possesses the ability of better anti side direction soil pressure, can fix it through both sides prefabricated plate when the prefabricated plate structure is not hard up, ensures roadbed structure's wholeness ability.
Description
Technical Field
The invention belongs to the technical field of roadbed construction, and particularly relates to an assembled prefabricated wallboard roadbed structure and a construction method.
Background
With the continuous development of modern traffic science and technology and information technology and the acceleration of work and life rhythm, people have higher and higher call for quick travel. In recent years, the infrastructure construction speed of China is increased, but with the increasing of urbanization scale and the increase of population, the corresponding traffic volume and the car holding capacity are also rapidly increased, the problems of urban traffic jam and environmental protection are more and more prominent, and the large-scale expressway reconstruction and expansion, the rail traffic construction and the like are urgent.
In recent ten years, the highway and the rail transit in China develop rapidly, the construction scale is large, the line is long, the geological conditions are complex, a considerable part of the highway and the rail transit is built on a soft soil foundation, and at present, two main ways for solving the settlement of the soft soil foundation are provided: one is to replace roads with bridges, and the other is to treat soft soil. The bridge is higher in cost in the mode of replacing the road with the bridge, and the soft soil is treated, so that the cost and the source of high-quality filler are difficult to achieve. Therefore, a new roadbed structure capable of avoiding high manufacturing cost and complex construction conditions is urgently needed.
Disclosure of Invention
In view of one or more of the above drawbacks or needs for improvement in the prior art, the present invention provides an assembled prefabricated wall panel roadbed structure, which is used for solving the problems of complicated and high-cost construction of the existing roadbed.
In order to achieve the aim, the invention provides an assembly type prefabricated wall panel roadbed structure, which comprises a side slope and a first prefabricated plate arranged on the plane of the side slope;
one end of the first prefabricated plate is lapped on the top plane of the side slope, a cast-in-place section is arranged between one end of the first prefabricated plate, which is lapped on the top plane of the side slope, and the roadbed on the side slope, the cast-in-place section is used for fixedly connecting the first prefabricated plate and the roadbed on the side slope, and one end of the first prefabricated plate, which is deviated from the side slope, extends out along the transverse direction;
the bottom of the first precast slab is also provided with a second precast slab, the second precast slab is vertically arranged, one end of the second precast slab abuts against the bottom surface of the first precast slab, and the other end of the second precast slab is inserted on the slope inclined plane;
the second prefabricated panels are arranged longitudinally, and a connecting piece is arranged between every two adjacent second prefabricated panels so as to connect the second prefabricated panels into a whole.
As a further improvement of the invention, both ends of the second precast slabs, which face two adjacent second precast slabs, are provided with concave structures, the concave structures between the two adjacent second precast slabs surround to form a columnar cavity, and concrete is poured into the columnar cavity.
As a further improvement of the invention, the connecting member comprises pre-embedded shear nails arranged at the joint end surfaces of the two adjacent second precast slabs, one ends of the pre-embedded shear nails are fixedly connected with the second precast slabs, and the other ends of the pre-embedded shear nails are inserted into the concrete between the two adjacent second precast slabs.
As a further improvement of the invention, the connecting piece comprises pre-embedded steel cable lantern rings embedded at the joint end surfaces of two adjacent second precast slabs, openings of the pre-embedded steel cable lantern rings are vertically arranged, the openings of the pre-embedded steel cable lantern rings on the two second precast slabs are partially overlapped in the vertical direction, and a steel bar is vertically penetrated between the two pre-embedded steel cable lantern rings.
As a further improvement of the invention, the first precast slabs are arranged side by side along the longitudinal direction, and two adjacent first precast slabs are connected through cast-in-place.
As a further improvement of the invention, a cushion block is arranged between the first precast slab and the slope plane, a corrugated steel guardrail upright post vertically penetrates through the cushion block, one end of the corrugated steel guardrail upright post is inserted into the slope plane, and the other end of the corrugated steel guardrail upright post is inserted into the cushion block.
As a further improvement of the invention, a base groove is further arranged on the slope inclined plane, and the second precast slab is inserted in the base groove.
The invention also comprises a construction method of the assembly type prefabricated wall panel roadbed structure, which is used for forming the assembly type prefabricated wall panel roadbed structure and comprises the following steps:
s1: digging a foundation trench on the slope inclined plane along the longitudinal direction, and vertically hoisting the second precast slab into the foundation trench;
s2: arranging another second precast slab along the opening direction of the foundation trench, and embedding the embedded shear nails between two adjacent second precast slabs into the concave structures;
s3: vertically stacking the embedded steel cable lantern rings on two adjacent second precast slabs, vertically penetrating steel bars and connecting the embedded steel cable lantern rings on the two second precast slabs in series;
s4: repeating the steps S2 and S3 to form a wallboard structure arranged along the longitudinal direction on the slope inclined plane;
s5: pouring concrete between the foundation trench and the second precast slabs, and pouring concrete between the adjacent second precast slabs;
s6: transversely hoisting the first prefabricated plate, overlapping one end of the first prefabricated plate on the plane of the side slope, and overlapping the other end of the first prefabricated plate on the top of the second prefabricated plate;
s7: and concrete is poured between one end of the first precast slab, which is lapped with the slope plane, and the roadbed on the slope plane, and concrete is poured between the adjacent first precast slabs.
As a further improvement of the invention, the step of overlapping the first prefabricated plate and the slope plane in the step S6 further comprises the following steps: placing a cushion block between the first prefabricated plate and the side slope plane, vertically penetrating a corrugated steel guardrail upright post in the cushion block, and inserting the bottom of the corrugated steel guardrail upright post in the side slope plane.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the technical scheme conceived by the invention has the following beneficial effects:
(1) according to the prefabricated wall panel roadbed structure, the first prefabricated panels and the second prefabricated panels are simply lapped through the wall panel structure, then the prefabricated wall panel roadbed structure is fixed through the cast-in-place section between the roadbed and the first prefabricated panels, the second prefabricated panels form a mutually connected and fixed structure, the connection mode between the first prefabricated panels and the second prefabricated panels is simplified, the roadbed construction efficiency is improved, the overall structure formed among the second prefabricated panels can well prevent lateral pressure caused by side slope soil accumulation, and the stability of the roadbed structure is ensured.
(2) According to the prefabricated wall panel roadbed structure, the concave structures are arranged on the splicing surfaces of the second prefabricated panels and are matched and connected with the concave structures, and concrete is poured between the two concave structures, so that a constraint force is generated between the two second prefabricated panels in the transverse direction, and the prefabricated wall panel roadbed structure is prevented from toppling towards two sides when being subjected to lateral soil pressure at a side slope; meanwhile, the form of pre-embedded shear nails is arranged on the splicing surfaces of the second prefabricated plates correspondingly, and the shear nails are inserted into the concrete, so that the connection stability of the shear nails and the concrete is further improved, and the stability of the roadbed structure is ensured.
(3) According to the prefabricated wall panel roadbed structure, the embedded steel cable lantern rings are arranged between the adjacent second prefabricated plates, and the embedded steel cable lantern rings between the two second prefabricated plates are all connected together in a penetrating mode through the steel bar structure, so that a mutual dragging structure in the longitudinal direction is formed, the connection stability of the second prefabricated plates is guaranteed, even if one second prefabricated plate is loosened under the condition of overlarge lateral soil pressure, the second prefabricated plates on the two sides can be dragged through the second prefabricated plates, the problem of beam falling is solved, and the problem of partial overturning of the second prefabricated plates is solved.
(4) The overall structure that connects formation between the second prefabricated plate in this application is except including concrete column and sunk structure, the rigid connection structure that pre-buried shear force nail and concrete connection etc. formed, cup joint the flexible connection structure fixed with the reinforcing bar through pre-buried cable wire lantern ring in addition, rigid connection structure can ensure that the connection between the second prefabricated plate is firm, flexible connection structure can appear not hard up at local second prefabricated plate and can pull it through both sides second prefabricated plate, avoid the second prefabricated plate problem of toppling, improve whole roadbed structure's overall stability ability greatly.
Drawings
FIG. 1 is a schematic overall structure diagram of a prefabricated wallboard roadbed structure according to an embodiment of the invention;
FIG. 2 is a side schematic view of an assembled prefabricated wall panel subgrade structure according to an embodiment of the invention;
FIG. 3 is a schematic view of a second prefabricated panel according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a recessed structure in an embodiment of the present invention;
FIG. 5 is a schematic view of the combination of a second prefabricated panel with a second prefabricated panel according to an embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular:
1. side slope; 2. a first prefabricated panel; 3. a cast-in-place section; 4. a second prefabricated panel; 5. a recessed structure; 6. pre-burying shear nails; 7. pre-burying a steel cable lantern ring; 8. reinforcing steel bars; 9. cushion blocks; 10. a corrugated steel guardrail post; 11. and (4) a base groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example (b):
the direction convention in this application refers to direction naming rules such as conventional railways, roadbeds and the like, wherein the transverse direction is perpendicular to the extending direction of the roadbeds, the longitudinal direction is the extending direction of the roadbeds, and the vertical direction is the height direction.
Referring to fig. 1 to 5, the prefabricated wall slab roadbed structure in the preferred embodiment of the invention comprises a side slope 1 and a first prefabricated slab 2 arranged on the plane of the side slope 1, wherein one end of the first prefabricated slab 2 is lapped on the top plane of the side slope 1, a cast-in-place section 3 is arranged between one end of the first prefabricated slab 2 lapped on the top plane of the side slope 1 and a roadbed on the side slope 1, the cast-in-place section 3 is used for fixedly connecting the first prefabricated slab 2 and the roadbed on the side slope 1, and one end of the first prefabricated slab 2 departing from the side slope 1 extends out along the transverse direction; meanwhile, a second precast slab 4 is also arranged at the bottom of the first precast slab 2, the second precast slab 4 is vertically arranged, one end of the second precast slab is abutted against the bottom surface of the first precast slab 2, and the other end of the second precast slab is inserted on the inclined plane of the side slope 1; the second prefabricated panels 4 are arranged in a plurality along the longitudinal direction, and a connecting member is arranged between every two adjacent second prefabricated panels 4 and connects the second prefabricated panels 4 to form an integral structure.
The prefabricated wallboard roadbed structure of assembled in this application is preferred to be applicable to the extension of single track, its both sides are side slope 1 structure, and can be applicable to soft soil layer, surface soil layer, soft soil foundation such as clay, it deals with the high-efficient quick construction on soft soil foundation, and can fine reply soft soil foundation lateral pile up the problem under the rainwater environment, can better deal with local second prefabricated plate 4 and overturn the problem through connecting second prefabricated plate 4 formation overall structure, when regional position second prefabricated plate 4 appears not hard up or shakiness problem, adjacent region second prefabricated plate 4 structure can exert a pulling force to it, make it stably maintain, ensure its good supporting effect to first prefabricated plate 2 in the top, make the stable use of prefabricated wallboard roadbed structure of formed. Meanwhile, the first prefabricated plate 2 and the second prefabricated plate 4 are arranged separately, so that the construction efficiency of the roadbed structure is greatly improved, the flat-plate-shaped prefabricated plate structure is more convenient to process compared with a conventional T-shaped structural member and the like, the flat-plate-shaped prefabricated plate structure is also quicker in the hoisting construction process, the construction precision requirement can be reduced, the replacement and the maintenance are convenient, and the like.
2 tip of first prefabricated plate are fixed through cast-in-place section 3 with original road bed in this application, and second prefabricated plate 4 is through forming overall stable structure on 1 inclined plane of side slope, and second prefabricated plate 4 can be perfect supports first prefabricated plate 2, when realizing T shape prefabricated plate supporting effect, simplifies the preparation and the installation demand of prefabricated plate, improves prefabricated wallboard road bed structure's of assembled efficiency of construction.
Further, as a preferred embodiment of the present invention, the second prefabricated panels 4 in the present application are provided with recessed structures 5 towards two ends of two adjacent second prefabricated panels 4, the recessed structures 5 between two adjacent second prefabricated panels 4 surround to form a cylindrical cavity, and the cylindrical cavity is filled with concrete.
In consideration of lateral soil pressure caused by lateral soil accumulation of the side slope 1, the concave structure 5 is arranged between the abutting surfaces of the adjacent second prefabricated plates 4, concrete is poured into a cylindrical cavity formed by the concave structure 5 in a surrounding mode, a limiting structure of the two second prefabricated plates 4 in the transverse direction is formed by the concrete, so that the bearing capacity of the second prefabricated plates 4 on the lateral soil pressure is increased, and when one second prefabricated plate 4 is loosened under the lateral soil pressure, the two adjacent second prefabricated plates 4 can be limited by the concave structure 5 and the concrete column in a restraining mode, and the supporting stability of the two second prefabricated plates 4 is ensured. When the second precast slabs 4 are loosened, the vertical bearing effect of the second precast slabs 4 is not affected under the restriction of the adjacent second precast slabs 4, and the first precast slabs 2 can still be supported, so that the stable use of the roadbed structure is ensured.
Preferably, the recessed structures 5 of the second prefabricated panels 4 at the longitudinal ends are of a 'concave' shape, so that the whole second prefabricated panel 4 is a standard structural member, the whole processing and preparation are convenient, and the transportation and on-site construction hoisting of the second prefabricated panel 4 are not hindered.
Further, as a preferred embodiment of the present invention, the connecting member in the present application includes pre-embedded shear nails 6 disposed at the connecting end surface of the adjacent second precast slabs 4, in the process of disposing the second precast slabs 4, the pre-embedded shear nails 6 may be disposed at one side of the second precast slabs 4, or the pre-embedded shear nails 6 may be disposed at the opposite sides of the two second precast slabs 4, the pre-embedded shear nails 6 are disposed in a staggered manner, so as to avoid mutual contact during installation, and meanwhile, one end of the pre-embedded shear nail 6 is fixedly connected to the second precast slab 4, and the other end is inserted into the concrete between the recessed structures 5, so as to ensure the connection stability between the second precast slabs 4 and the concrete.
Further, as a preferred embodiment of the present invention, the connecting member in the present application includes an embedded steel cable sleeve ring 7 embedded at the joint end surface of two adjacent second prefabricated panels 4, an opening of the embedded steel cable sleeve ring 7 is vertically arranged, and the embedded steel cable sleeve rings 7 on the two second prefabricated panels 4 are partially overlapped in the vertical direction, so that a through passage is formed in the vertical direction, and the embedded steel cable sleeve rings 7 on the two second prefabricated panels 4 are all vertically connected through a vertical steel bar 8 structure. In order to avoid the problem that lateral soil pressure causes local second prefabricated plate 4's the overturning, except adopting sunk structure 5 and concrete cooperation form in this application, and pre-buried shear nail 6 and concrete cooperation form, it still sets up pre-buried cable wire lantern ring 7, it transversely overlaps through pre-buried cable wire lantern ring 7, and form along vertical through-hole, the rethread vertical reinforcement 8 structure concatenates pre-buried cable wire lantern ring 7 together, make two second prefabricated plates 4 link together through pre-buried cable wire lantern ring 7, form a flexible connection structure.
Optionally, a concave structure 5 is arranged at the joint end face of the second prefabricated plates 4 in the application, wherein the embedded shear nails 6 are arranged on the opposite surfaces of the concave structures 5 of the two second prefabricated plates 4, namely, on the convex plane and the concave plane of the concave structures 5; the embedded steel cable lantern rings 7 are only arranged on the concave bottom surfaces of the concave structures 5 of the two second prefabricated plates 4, and are shown in the figure 4. Therefore, the second prefabricated plate 4 can be directly spliced in the installation process without excessively considering the size and the installation space of the embedded steel cable lantern ring 7.
Further, as a preferred embodiment of the present invention, although the pre-embedded steel cable collar 7 and the steel bar 8 penetrating structure can realize the preliminary limit between the second prefabricated panels 4, the pre-embedded steel cable collar 7 and the steel bar 8 cannot realize the fixed connection of the second prefabricated panels 4, in order to ensure the stable connection of the second prefabricated panels 4, the concrete poured between the recessed structures 5 of the second prefabricated panels 4 encapsulates the pre-embedded steel cable collar 7, the steel bar 8, the pre-embedded shear nails 6, and the like, thereby forming the second prefabricated panels 4 into an integral fixed structure.
Further, a foundation trench 11 is further formed in the slope 1, the second precast slab 4 is inserted into the foundation trench 11, and concrete is also poured into the foundation trench 11, so that the second precast slab 4 is stably fixed in the foundation trench 11. Since the soil of the side slope 1 is softer than that of a concrete structure, the second prefabricated slab 4 may be settled or inclined when the second prefabricated slab 4 is directly inserted on the inclined plane of the side slope 1 in a pure insertion manner, and therefore the foundation trench 11 is dug and concrete is poured in the foundation trench 11, so that the bottom of the second prefabricated slab 4 is stably arranged in the foundation trench 11.
Further, as a preferred embodiment of the present invention, the first prefabricated panels 2 in the present application are arranged side by side in the longitudinal direction, and adjacent first prefabricated panels 2 are connected by cast-in-place. Since the first prefabricated panels 2 are required to form a plane structure on the roadbed plane, which is used as a vehicle or pedestrian carrier, the arrangement of the roadbed extension direction is required, and concrete is also poured between the first prefabricated panels 2 to ensure the connection stability between the first prefabricated panels 2, so that the first prefabricated panels are integrated.
Preferably, the first prefabricated plate 2 is overlapped at one end on the top plane of the side slope 1, the other end of the first prefabricated plate is overlapped at the top end of the second prefabricated plate 4, the second prefabricated plate 4 is of a hard structure and is not easy to sink, the side slope 1 is made of soil, the contact surface of the first prefabricated plate 2 and the side slope 1 can sink downwards, a cushion block 9 is arranged at one end of the first prefabricated plate 2 facing the top plane of the side slope 1, the cushion block 9 is separated from the first prefabricated plate and is used for preventing the cushion block 9 from sliding, a corrugated steel guardrail upright post 10 is vertically arranged in the cushion block 9 in a penetrating mode, one end of the corrugated steel guardrail upright 10 is arranged in the cushion block 9 in a penetrating mode, and the other end of the corrugated steel guardrail upright 10 is inserted into the plane of the side slope 1, so that the cushion block 9 is fixed on the top plane of the side slope 1.
Preferably, the structural member in this application is a standard prefabricated structural member, wherein the first prefabricated plate 2 and the second prefabricated plate 4 have a width of 4m and a thickness of 0.26m, each plate has a span of 3m, the width of a joint when the prefabricated plates are connected is 4cm, and the cushion block 9 has a square structure and a width of 30 cm. The structure adopts standardized structural parts, so that the unified preparation of each structural part is facilitated, and meanwhile, the construction is carried out efficiently and quickly.
Further, the application also comprises a construction method of the assembly type prefabricated wall panel roadbed structure, which is mainly used for forming the assembly type prefabricated wall panel roadbed structure and comprises the following specific steps:
s1: a foundation trench 11 is dug on the inclined plane of the side slope 1 along the longitudinal direction, and the second precast slab 4 is vertically hoisted into the foundation trench 11;
s2: arranging another second precast slab 4 along the opening direction of the foundation trench 11, and embedding the embedded shear nails 6 between two adjacent second precast slabs 4 into the concave structures;
s3: vertically stacking the embedded steel cable lantern rings 7 on two adjacent second precast slabs 4, vertically penetrating steel bars 8, and serially connecting the embedded steel cable lantern rings 7 on the two second precast slabs 4;
s4: repeating the steps S2 and S3 to form a wallboard structure arranged along the longitudinal direction on the slope of the side slope 1;
s5: pouring concrete between the foundation trench 11 and the second precast slabs 4, and pouring concrete between the adjacent second precast slabs 4;
s6: transversely hoisting the first prefabricated plate 2, overlapping one end of the first prefabricated plate 2 on the plane of the side slope 1, and overlapping the other end of the first prefabricated plate 2 on the top of the second prefabricated plate 4;
preferably, a cushion block 9 is further arranged between the first precast slab 2 and the plane of the side slope 1, a corrugated steel guardrail upright 10 structure is vertically penetrated in the cushion block 9, and the corrugated steel guardrail upright 10 is inserted on the plane at the top of the side slope 1;
s7: concrete is poured between one end, overlapped with the plane of the side slope 1, of the first precast slab 2 and the roadbed on the plane of the side slope 1, and concrete is poured between the adjacent first precast slabs 2.
According to the prefabricated wall panel structure, the prefabricated wall panel structure is arranged into the first prefabricated panel 2 and the second prefabricated panel 4, on the premise that the roadbed structure has better bearing capacity, the preparation and installation construction processes of the prefabricated panel structure are simplified, meanwhile, the connecting piece between the second prefabricated panels 4 is simple to prepare and convenient to install, and the installation stability of the second prefabricated panels 4 can be greatly improved; the cushion block 9 and the wave-shaped steel guardrail upright post 10 structure arranged at the bottom of the connection part of the first prefabricated plate 2 and the roadbed can also increase the connection stability between the first prefabricated plate 2 and the roadbed, and the stability of the prefabricated wallboard roadbed structure of the assembly type is integrally improved.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The prefabricated wallboard roadbed structure is characterized by comprising a side slope and a first prefabricated slab arranged on the plane of the side slope;
one end of the first prefabricated plate is lapped on the top plane of the side slope, a cast-in-place section is arranged between one end of the first prefabricated plate lapped on the top plane of the side slope and a roadbed on the side slope and used for fixedly connecting the first prefabricated plate with the roadbed on the side slope, and one end of the first prefabricated plate, which is far away from the side slope, extends out in the transverse direction;
the bottom of the first precast slab is also provided with a second precast slab, the second precast slab is vertically arranged, one end of the second precast slab is abutted against the bottom surface of the first precast slab, and the other end of the second precast slab is inserted on the slope inclined plane;
the second prefabricated plates are arranged in the longitudinal direction, and a connecting piece is arranged between every two adjacent second prefabricated plates so as to connect the second prefabricated plates into a whole.
2. The prefabricated wall panel roadbed structure of claim 1, wherein the two ends of the second prefabricated panels, which face to two adjacent second prefabricated panels, are provided with concave structures, the concave structures between the two adjacent second prefabricated panels surround to form a columnar cavity, and the columnar cavity is filled with concrete.
3. The prefabricated wall panel roadbed structure of claim 2, wherein the connecting piece comprises pre-embedded shear nails arranged at the joint end surfaces of two adjacent second prefabricated panels, one ends of the pre-embedded shear nails are fixedly connected with the second prefabricated panels, and the other ends of the pre-embedded shear nails are inserted into concrete between the two adjacent second prefabricated panels.
4. The prefabricated wall panel roadbed structure of any one of claims 1 to 3, wherein the connecting piece comprises embedded steel cable lantern rings embedded at the joint end surfaces of two adjacent second prefabricated panels, openings of the embedded steel cable lantern rings are vertically arranged, the openings of the embedded steel cable lantern rings on the two second prefabricated panels are partially overlapped in the vertical direction, and a steel bar vertically penetrates between the two embedded steel cable lantern rings.
5. The prefabricated wall panel roadbed structure of claim 1, wherein the first prefabricated panels are arranged side by side along the longitudinal direction, and the adjacent first prefabricated panels are connected through cast-in-place.
6. The prefabricated wall panel roadbed structure of the assembly type according to claim 1, wherein a cushion block is arranged between the first prefabricated plate and the side slope plane, a corrugated steel guardrail upright post vertically penetrates through the cushion block, one end of the corrugated steel guardrail upright post is inserted into the side slope plane, and the other end of the corrugated steel guardrail upright post is inserted into the cushion block.
7. The prefabricated wall panel roadbed structure of claim 1, wherein a foundation groove is further formed on the slope inclined surface, and the second prefabricated panel is inserted into the foundation groove.
8. A prefabricated wall panel roadbed structure construction method for forming the prefabricated wall panel roadbed structure as claimed in any one of claims 1 to 7, characterized by comprising the following steps:
s1: digging a foundation trench on the slope inclined plane along the longitudinal direction, and vertically hoisting the second precast slab into the foundation trench;
s2: arranging another second precast slab along the opening direction of the foundation trench, and embedding the embedded shear nails between two adjacent second precast slabs into the concave structures;
s3: vertically stacking the embedded steel cable lantern rings on two adjacent second precast slabs, vertically penetrating steel bars and connecting the embedded steel cable lantern rings on the two second precast slabs in series;
s4: repeating the steps S2 and S3 to form a wallboard structure arranged along the longitudinal direction on the slope inclined plane;
s5: pouring concrete between the foundation trench and the second precast slabs, and pouring concrete in the concave structures between the adjacent second precast slabs;
s6: transversely hoisting the first prefabricated plate, overlapping one end of the first prefabricated plate on the plane of the side slope, and overlapping the other end of the first prefabricated plate on the top of the second prefabricated plate;
s7: and concrete is poured between one end of the first precast slab, which is lapped with the slope plane, and the roadbed on the slope plane, and concrete is poured between the adjacent first precast slabs.
9. The construction method of the prefabricated wall panel roadbed structure according to the claim 8, wherein the step of overlapping the first prefabricated panel and the slope plane in the step S6 further comprises the following steps:
placing a cushion block between the first prefabricated plate and the side slope plane, vertically penetrating a corrugated steel guardrail upright post in the cushion block, and inserting the bottom of the corrugated steel guardrail upright post in the side slope plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210339252.1A CN114837029A (en) | 2022-04-01 | 2022-04-01 | Prefabricated wallboard roadbed structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210339252.1A CN114837029A (en) | 2022-04-01 | 2022-04-01 | Prefabricated wallboard roadbed structure and construction method |
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