CN113863175A - Precast concrete double-deck corrugated plate structure, arch culvert and pipe culvert - Google Patents
Precast concrete double-deck corrugated plate structure, arch culvert and pipe culvert Download PDFInfo
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- CN113863175A CN113863175A CN202111343248.4A CN202111343248A CN113863175A CN 113863175 A CN113863175 A CN 113863175A CN 202111343248 A CN202111343248 A CN 202111343248A CN 113863175 A CN113863175 A CN 113863175A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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Abstract
The invention relates to the technical field of corrugated plates, and provides a precast concrete double-layer corrugated plate structure, an arch culvert and a pipe culvert, wherein an arc-shaped outer-layer steel corrugated plate is arranged on one side of an arc-shaped inner-layer steel corrugated plate, and a cavity is formed between the arc-shaped outer-layer steel corrugated plate and the arc-shaped inner-layer steel corrugated plate; the transverse convex flange plate and the transverse concave flange plate are oppositely arranged at two sides of the cavity, and the transverse convex flange plate is provided with a convex part; a die cavity is enclosed among the arc-shaped outer-layer steel corrugated plate, the arc-shaped inner-layer steel corrugated plate, the transverse convex flange plate and the transverse concave flange plate, a groove is formed in the transverse concave flange plate, and the convex part is matched with the groove; the arc-shaped reinforcing steel bar frame is arranged in the die cavity; the outer layer shear nails and the inner layer shear nails are arranged on the arc-shaped reinforcing steel bar frame; the concrete layer is arranged in the die cavity and surrounds the arc-shaped reinforcing steel bar frame, the outer-layer shear nails and the inner-layer shear nails. Through the technical scheme, the problem that the metal steel corrugated pipe deforms or collapses under the condition of large span or high soil filling in the related technology is solved.
Description
Technical Field
The invention relates to the technical field of corrugated plates, in particular to a precast concrete double-layer corrugated plate structure, an arch culvert and a pipe culvert.
Background
The corrugated metal steel pipe is a novel building structure material, has a wave structure with a function of transverse displacement compensation, has good adaptive deformability, and is widely applied to underground structures of projects such as railways, highways, municipal works, mines and the like, and the construction of projects such as old bridges and culverts, highway tunnels, seepage wells, coal mine tunnels and the like. The metal steel corrugated pipe has strong deformation resistance, is quick and convenient to install, saves the construction period, and has the advantages of low cost, environmental friendliness and the like.
The metal steel corrugated pipe has many defects for special environment, and has the problems of large flexibility and small rigidity. When some spans are large or the soil covering layers are thick, the bearing capacity of the metal steel corrugated pipe is insufficient, deformation and even collapse can occur, and huge potential safety hazards are brought to underground pipeline engineering.
Disclosure of Invention
The invention provides a precast concrete double-layer corrugated plate structure, an arch culvert and a pipe culvert, and solves the problem that a metal steel corrugated pipe deforms or collapses under the condition of large span or high soil filling in the related technology.
The technical scheme of the invention is as follows:
a precast concrete double-layer corrugated plate structure comprises,
an arc-shaped outer layer steel corrugated plate;
the arc-shaped outer-layer steel corrugated plate is arranged on one side of the arc-shaped inner-layer steel corrugated plate, and a cavity is formed between the arc-shaped inner-layer steel corrugated plate and the arc-shaped outer-layer steel corrugated plate;
the transverse convex flange plate is arranged on one side of the cavity and is provided with a convex part;
the transverse concave flange plate is arranged on the other side of the cavity and is opposite to the transverse convex flange plate, a cavity is defined by the arc-shaped outer-layer steel corrugated plate, the arc-shaped inner-layer steel corrugated plate, the transverse convex flange plate and the transverse concave flange plate, a groove is formed in the transverse concave flange plate, the shape of the convex part is matched with that of the groove, and bolt holes are formed in the transverse convex flange plate and the transverse concave flange plate;
the arc-shaped reinforcing steel bar frame is arranged in the die cavity;
one end of the outer-layer shear pin is arranged on the arc-shaped outer-layer steel corrugated plate, and the other end of the outer-layer shear pin is arranged on the arc-shaped reinforcing steel bar frame;
one end of the inner-layer shear nail is arranged on the arc-shaped inner-layer steel corrugated plate, and the other end of the inner-layer shear nail is arranged on the arc-shaped reinforcing steel bar frame;
and the concrete layer is arranged in the die cavity and surrounds the arc-shaped reinforcing steel bar frame, the outer-layer shear nails and the inner-layer shear nails.
As a further technical solution, it also includes,
the annular outer flange plates are arranged on two sides of the arc-shaped outer layer steel corrugated plate and are positioned between the transverse convex flange plate and the transverse concave flange plate;
the annular inner side flange plate is arranged on two sides of the arc-shaped inner layer steel corrugated plate and located between the transverse convex flange plate and the transverse concave flange plate.
As a further technical solution, the arc-shaped reinforcing frames comprise,
one end of the outer-layer shear nail is arranged on the arc-shaped outer-layer corrugated steel plate, and the other end of the outer-layer shear nail is arranged on the first reinforcing steel bar frame;
and one end of the inner-layer shear nail is arranged on the arc-shaped inner-layer corrugated steel plate, and the other end of the inner-layer shear nail is arranged on the second steel bar frame or the first steel bar frame.
As a further technical proposal, the inner layer shear nail comprises,
the nail body penetrates through the arc-shaped inner-layer steel corrugated plate and the second reinforcing steel bar frame, and is provided with fixing nuts which are respectively positioned on two sides of the arc-shaped inner-layer steel corrugated plate;
the nail tail is arranged on the nail body and is positioned on one side, away from the arc-shaped inner-layer steel corrugated plate, of the nail body, and the nail body is perpendicular to the nail tail.
As a further technical solution, it also includes,
the transverse sealing rubber plate is arranged between the transverse convex flange plate and the transverse concave flange plate on the adjacent concrete plates;
and the annular sealing rubber plate is arranged between the annular outer flange plates on the adjacent concrete slabs.
As a further technical solution, it is proposed that,
the outer layer shear force nail is arranged at the wave crest of the outer layer steel corrugated plate of the arc shape, and the inner layer shear force nail is arranged at the wave crest or the wave trough of the inner layer steel corrugated plate of the arc shape.
As a further technical solution, it is proposed that,
the wave pitch of the arc-shaped outer layer steel corrugated plate is 68-500mm, the wave depth is 13-250mm, and the thickness is 3-14 mm.
As a further technical solution, it is proposed that,
the number of the wave forms of the arc-shaped outer layer steel corrugated plates is 1-8.
As a further technical solution, it is proposed that,
and the surface of the arc-shaped outer-layer steel corrugated plate is provided with a corrosion-resistant layer.
A plurality of precast concrete double-layer corrugated plate structures are spliced into an arch shape and then are used for being connected with foundation bolts on a foundation, and the arch culvert also comprises a plurality of corrugated plates,
the transverse sealing rubber plate is arranged between the transverse convex flange plate and the transverse concave flange plate of the adjacent precast concrete double-layer corrugated plate structure;
and the circumferential sealing rubber plate is used for being arranged between the circumferential outer flange plates of the precast concrete double-layer corrugated plate structure.
A plurality of precast concrete double-layer corrugated plate structures are spliced into a pipe-shaped culvert.
The working principle and the beneficial effects of the invention are as follows:
in the application, in order to improve the strength of the corrugated metal pipe and prevent the corrugated metal pipe from being deformed under pressure under the condition of large span or high filling, an arc-shaped outer-layer corrugated steel plate, an arc-shaped inner-layer corrugated steel plate, an arc-shaped reinforcing steel frame, an outer-layer shear nail, an inner-layer shear nail and a concrete layer are arranged, specifically, the arc-shaped outer-layer corrugated steel plate is arranged on one side of the arc-shaped inner-layer corrugated steel plate, the circle centers of the arc-shaped outer-layer corrugated steel plate and the arc-shaped inner-layer corrugated steel plate are positioned on the same side, and a cavity is formed between the arc-shaped outer-layer corrugated steel plate and the arc-shaped inner-layer corrugated steel plate; the transverse convex flange plate and the transverse concave flange plate are respectively positioned at two sides of the cavity and are arranged oppositely, the arc-shaped outer layer steel corrugated plate, the arc-shaped inner layer steel corrugated plate, the transverse convex flange plate and the transverse concave flange plate form a die cavity, the arc-shaped reinforcing steel bar frame is arranged in the die cavity, and the circle center of the arc-shaped reinforcing steel bar frame and the circle centers of the arc-shaped outer layer steel corrugated plate and the arc-shaped inner layer steel corrugated plate are positioned at the same side; one end of the outer-layer shear nail is arranged on the arc-shaped outer-layer steel corrugated plate, and the other end of the outer-layer shear nail is arranged on the arc-shaped reinforcing steel bar frame to fix the arc-shaped outer-layer steel corrugated plate and the arc-shaped reinforcing steel bar frame; one end of the inner layer shear nail is arranged on the arc-shaped inner layer steel corrugated plate, the other end of the inner layer shear nail is arranged on the arc-shaped reinforcing steel bar frame, and the inner layer shear nail fixes the arc-shaped inner layer steel corrugated plate and the arc-shaped reinforcing steel bar frame, so that the overall stability and firmness are improved; pouring the mould with the outer steel buckled plate of arc, horizontal protruding type flange board and horizontal concave type flange board are fixed, then pour concrete in to the die cavity from the sprue gate, form concrete layer, demolish the mould after pouring, the outer steel buckled plate of arc, the horizontal protruding type flange board of arc inlayer steel buckled plate and horizontal concave type flange board form a whole, middle die cavity has the arc reinforcing bar frame, outer shear force nail and inlayer shear force nail and concrete layer support, the intensity of whole steel buckled plate is promoted, can bear bigger pressure than original buckled plate, prevent to warp, collapse.
In order to prevent the metal steel corrugated pipes from being staggered and collapsed in a large-span state, the transverse convex flange plate is provided with a convex part, the transverse concave flange plate is provided with a groove, and the shape of the convex part is matched with that of the groove; when the corrugated plate rack is used, each corrugated plate is arranged and connected along the annular direction, the transverse convex flange plate on one steel corrugated plate is matched with the transverse concave flange plate on the adjacent steel corrugated plate, the convex part is inserted into the groove after matching, and the convex part and the groove enable the transverse convex flange plate and the transverse concave flange plate rack to be matched more tightly and have smaller displacement of relative movement; all be provided with the bolt hole on horizontal protruding type flange board and the horizontal concave type flange board, through at the downthehole construction bolt of bolt, fix horizontal protruding type flange board and horizontal concave type flange board, make the buckled plate can transversely connect each other, realize the large-span and support, can install for arch culvert and pipe culvert according to actual demand, the first buckled plate of arch culvert passes through rag bolt and installs on the ground.
The double-layer corrugated steel plate, the reinforced concrete and the shear nail structure are adopted, so that the strength and the bearing capacity of the corrugated plate are enhanced, and the corrugated plate cannot deform and collapse under the condition of large span or high filling; the arrangement of the convex part and the groove enhances the fixing and anti-sliding functions of the corrugated pipe; and can realize precasting earlier stage, need not build the template of pouring on the spot, the construction is convenient fast, saves the time limit for a project, improves the efficiency of construction.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the structure of an arc-shaped steel bar frame according to the present invention;
FIG. 2 is a schematic view of a certain structure according to the present invention;
FIG. 3 is a schematic view of another embodiment of the present invention;
FIG. 4 is a schematic structural view of the arch culvert assembled in accordance with the present invention;
FIG. 5 is a schematic structural view of a pipe culvert assembled according to the present invention;
in the figure: 1. the outer corrugated steel plate of arc, 2, the outer corrugated steel plate of arc, 3, horizontal protruding type flange board, 5, the convex part, 6, horizontal concave type flange board, 7, the die cavity, 8, the recess, 9, the bolt hole, 10, the arc reinforcing bar frame, 11, outer shear force nail, 12, inlayer shear force nail, 13, concrete layer, 14, the hoop outside flange board, 15, the hoop inboard flange board, 16, first reinforcing bar frame, 17, the second reinforcing bar frame, 19, the horizontal sealing offset plate, 20, the hoop sealing offset plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 5, the present embodiment provides a precast concrete double-deck corrugated plate structure, an arch culvert and a pipe culvert, including,
an arc-shaped outer layer steel corrugated plate 1;
the arc-shaped inner-layer steel corrugated plate 2 is characterized in that the arc-shaped outer-layer steel corrugated plate 1 is arranged on one side of the arc-shaped inner-layer steel corrugated plate 2, and a cavity is formed between the arc-shaped inner-layer steel corrugated plate and the arc-shaped outer-layer steel corrugated plate;
the transverse convex flange plate 3 is arranged on one side of the cavity, and a convex part 5 is arranged on the transverse convex flange plate 3;
the transverse concave flange plate 6 is arranged on the other side of the cavity and is opposite to the transverse convex flange plate 3, a cavity 7 is defined by the transverse convex flange plate 3 and the transverse concave flange plate 6 among the arc-shaped outer layer steel corrugated plate 1, the arc-shaped inner layer steel corrugated plate 2, a groove 8 is formed in the transverse concave flange plate 6, the shape of the convex part 5 is matched with that of the groove 8, and bolt holes 9 are formed in the transverse convex flange plate 3 and the transverse concave flange plate 6;
the arc-shaped reinforcing steel bar frame 10, and the arc-shaped reinforcing steel bar frame 10 is arranged in the die cavity 7;
one end of the outer layer shear pin 11 is arranged on the arc-shaped outer layer steel corrugated plate 1, and the other end of the outer layer shear pin 11 is arranged on the arc-shaped reinforcing steel bar frame 10;
one end of the inner layer shear nail 12 is arranged on the arc-shaped inner layer steel corrugated plate 2, and the other end is arranged on the arc-shaped reinforcing steel bar frame 10;
and a concrete layer 13, wherein the concrete layer 13 is arranged in the die cavity 7 and surrounds the arc-shaped reinforcing steel bar frames 10, the outer-layer shear nails 11 and the inner-layer shear nails 12.
In the embodiment, in order to improve the strength of the corrugated metal pipe and prevent the corrugated metal pipe from being deformed under pressure under the condition of large span or high fill, an arc-shaped outer corrugated steel plate 1, an arc-shaped inner corrugated steel plate 2, an arc-shaped reinforcing steel frame 10, an outer shear pin 11, an inner shear pin 12 and a concrete layer 13 are arranged, specifically, the arc-shaped outer corrugated steel plate 1 is arranged on one side of the arc-shaped inner corrugated steel plate 2, the circle centers of the two are positioned on the same side, and a cavity is formed between the two; the transverse convex flange plate 3 and the transverse concave flange plate 6 are respectively positioned at two sides of the cavity and are oppositely arranged, the arc-shaped outer layer steel corrugated plate 1, the arc-shaped inner layer steel corrugated plate 2, the transverse convex flange plate 3 and the transverse concave flange plate 6 form a cavity 7, the arc-shaped reinforcing steel bar frame 10 is arranged in the cavity 7, and the circle center of the arc-shaped reinforcing steel bar frame 10 and the circle centers of the arc-shaped outer layer steel corrugated plate 1 and the arc-shaped inner layer steel corrugated plate 2 are on the same side; one end of an outer layer shear nail 11 is arranged on the arc-shaped outer layer steel corrugated plate 1, and the other end is arranged on the arc-shaped reinforcing steel bar frame 10, so that the arc-shaped outer layer steel corrugated plate 1 and the arc-shaped reinforcing steel bar frame 10 are fixed; one end of the inner layer shear nail 12 is arranged on the arc-shaped inner layer corrugated steel plate 2, the other end of the inner layer shear nail 12 is arranged on the arc-shaped reinforcing steel bar frame 10, and the arc-shaped inner layer corrugated steel plate 2 and the arc-shaped reinforcing steel bar frame 10 are fixed through the inner layer shear nail 12, so that the overall stability and firmness are improved; pouring the mould with outer steel buckled plate of arc 1, the outer steel buckled plate of arc 2, horizontal protruding type flange board 3 and horizontal concave type flange board 6 are fixed, then pour the concrete in to die cavity 7 from the sprue gate, form concrete layer 13, demolish the mould after pouring, outer steel buckled plate of arc 1, the horizontal protruding type flange board 3 of the inner steel buckled plate of arc 2 and horizontal concave type flange board 6 form a whole, middle die cavity 7 has arc reinforcing bar frame 10, outer shear force nail 11 and inlayer shear force nail 12 and concrete layer 13 support, the intensity of whole steel buckled plate is promoted, can bear bigger pressure than original buckled plate, prevent to warp, collapse.
In order to prevent the metal steel corrugated pipes from being staggered and collapsed in a large-span state, the transverse convex flange plate 3 is provided with a convex part 5, the transverse concave flange plate 6 is provided with a groove 8, and the shape of the convex part 5 is matched with the shape of the groove 8; when the corrugated plate is used, each corrugated plate is arranged and connected along the annular direction, the transverse convex flange plate 3 on one corrugated steel plate is matched with the transverse concave flange plate 6 on the adjacent corrugated steel plate, the convex part 5 is inserted into the groove 8 after matching, and the convex part 5 and the groove 8 ensure that the transverse convex flange plate 3 and the transverse concave flange plate 6 are more tightly matched and the displacement of relative movement is smaller; all be provided with bolt hole 9 on horizontal protruding type flange plate 3 and horizontal concave type flange plate 6, through construction bolt in bolt hole 9, fix horizontal protruding type flange plate 3 and horizontal concave type flange plate 6, make the buckled plate can transversely connect each other, realize the large-span and support, can install for arch culvert and pipe culvert according to actual demand, the buckled plate of arch culvert passes through rag bolt and installs on the ground.
In the scheme, the double-layer steel corrugated plate, the reinforced concrete and the shear nail structure are adopted, so that the strength and the bearing capacity of the corrugated plate are enhanced, and the corrugated plate cannot deform and collapse under the condition of large span or high filling; the arrangement of the convex part 5 and the groove 8 enhances the fixing and anti-sliding functions of the corrugated pipe; and can realize precasting earlier stage, need not build the template of pouring on the spot, the construction is convenient fast, saves the time limit for a project, improves the efficiency of construction.
Further, the method also comprises the following steps of,
the annular outer flange plates 14 are arranged on two sides of the arc-shaped outer layer steel corrugated plate 1 and are positioned between the transverse convex flange plate 3 and the transverse concave flange plate 6;
the annular inner side flange plate 15 and the annular inner side flange plate 15 are arranged on two sides of the arc-shaped inner layer steel corrugated plate 2 and are positioned between the transverse convex flange plate 3 and the transverse concave flange plate 6.
In the embodiment, a plurality of circles of arch culverts or pipe culverts can be connected side by side, and the annular outer flange plates 14 and the annular inner flange plates 15 are arranged, wherein the annular outer flange plates 14 are arranged on two sides of the arc-shaped outer-layer steel corrugated plate 1 and are positioned between the transverse convex flange plate 3 and the transverse concave flange plate 6, the annular inner flange plates 15 are arranged on two sides of the arc-shaped inner-layer steel corrugated plate 2 and are positioned between the transverse convex flange plate 3 and the transverse concave flange plate 6, and the annular outer flange plates 14 and the annular inner flange plates 15 on each side are oppositely arranged along the same vertical direction; before pouring, arranging the annular templates on two sides, and fixing the annular templates by bolts through bolt holes in the annular outer side flange plate 14 and the annular inner side flange plate 15; after pouring, the hoop outside flange board 14 and the hoop inside flange board 15 of both sides, one side forms protruding type with the concrete poured, the opposite side forms concave type with the concrete poured, when installing side by side, install protruding type and the concave type cooperation of another row of one row, realize installing side by side of bellows, this kind is horizontal, the hoop is the setting of unsmooth shape, when extension arch culvert or pipe culvert length, also can further restrict the slip between every row of bellows, the stability of reinforcing pipe culvert or arch culvert.
Further, the arc-shaped reinforcing cage 10 includes,
one end of the first steel bar frame 16 and one end of the outer layer shear nail 11 are arranged on the arc-shaped outer layer corrugated steel plate 1, and the other end is arranged on the first steel bar frame 16;
and a second steel bar frame 17, wherein one end of the inner layer shear nail 12 is arranged on the arc-shaped inner layer corrugated steel plate 2, and the other end is arranged on the second steel bar frame 17 or the first steel bar frame 16.
In this embodiment, in order to reinforce the strength of the corrugated plate, the arc-shaped reinforcing frame 10 includes two layers of reinforcing frames bound together: the first reinforcing steel bar frame 16 and the second reinforcing steel bar frame 17 are arranged on one side of the first reinforcing steel bar frame 16 and are arranged at positions close to the arc-shaped inner-layer steel corrugated plate 2, specifically, the radian of the arc-shaped reinforcing steel bar frame 10 is set according to the radians of the arc-shaped outer-layer steel corrugated plate 1 and the arc-shaped inner-layer steel corrugated plate 2, one end of the outer-layer shear nail 11 is firstly welded on the arc-shaped outer-layer steel corrugated plate 1, and then the other end of the outer-layer shear nail 11 is arranged on the first reinforcing steel bar frame 16 according to actual requirements; the inner layer shear nails 12 are provided at one end on the curved inner layer corrugated steel plate 2 and at one end on the second reinforcing cage 17 or on the first reinforcing cage 16 through the second reinforcing cage 17. Compared with the mode that only one layer of reinforcing steel bar frame and the shear nails are arranged adjacent to the reinforcing steel bar frame, the corrugated plate is staggered to form multiple limits, and the strength of the corrugated plate is further enhanced; the arc-shaped steel bar frame 10 is arranged in the middle of the die cavity 7 through the outer layer shear nails 11 and the inner layer shear nails 12 and cannot be displaced during pouring.
Further, the inner layer shear pins 12 include,
the nail body penetrates through the arc-shaped inner-layer steel corrugated plate 2 and the second reinforcing steel bar frame 17, and fixing nuts are arranged on the nail body and are respectively positioned on two sides of the arc-shaped inner-layer steel corrugated plate 2;
the nail tail sets up on the nail body, is located the nail body and keeps away from one side of arc inlayer steel buckled plate 2, and the nail body is perpendicular with the nail tail.
In this embodiment, in order to enhance the connection strength of the inner layer shear nail 12, the inner layer shear nail 12 includes a nail body and a nail tail, the nail body passes through the threaded hole of the second steel bar frame 1, and the nail body is provided with fixing nuts which are respectively located at two sides of the arc-shaped inner layer corrugated steel plate 2 and used for fixing the nail body; after the nail body passes through the second steel bar frame 17 or the first steel bar frame 16, the nail tail is arranged on the nail body and is vertical to the nail body, so that the inner layer shear nails 12 are not easy to deform when the corrugated plate is stressed, and the corrugated plate can be supported more powerfully without deformation.
Further, the method also comprises the following steps of,
the transverse sealing rubber plate 19 is used for being arranged between the transverse convex flange plate 3 and the transverse concave flange plate 6 on the adjacent concrete plate;
and the circumferential sealing rubber plate 20 is used for being arranged between the circumferential outer flange plates 14 on the adjacent concrete slabs.
In the embodiment, in order to enable the corrugated plates to be arranged tightly in the circumferential direction and prevent gaps, the transverse sealing rubber plate 19 is arranged, and the transverse sealing rubber plate 19 is positioned between the transverse convex flange plate 3 and the transverse concave flange plate 6 on the adjacent concrete plates; in order to make the connection side by side of the corrugated plate tight, no gap is left, a circumferential sealing rubber plate 20 is arranged, the circumferential sealing rubber plate 20 is positioned between circumferential outer flange plates 14 on adjacent concrete slabs, and a transverse sealing rubber plate 19 and the circumferential sealing rubber plate 20 are both arranged through bolts.
Further, outer shear force nail 11 sets up the crest department at outer steel buckled plate 1 of arc, and inlayer shear force nail 12 sets up the crest or the trough department at inner steel buckled plate 2 of arc.
In this embodiment, according to different actual requirements, the outer layer shear nails 11 are uniformly arranged along the arc line of the arc-shaped outer layer steel corrugated plate 1, are located at wave crests of the arc-shaped outer layer steel corrugated plate 1, and may be arranged at each wave crest or at intervals of one or more wave distances; the inner layer shear nails 12 are arranged at wave crests or wave troughs of the arc-shaped inner layer steel corrugated plate 2, and can be arranged at each wave crest and wave trough or at one or more wave distances.
Further, the wave pitch of the arc-shaped outer layer steel corrugated plate 1 is 68-500mm, the wave depth is 13-250mm, and the thickness is 3-14 mm.
In the embodiment, through screening, the wave distance of the arc-shaped outer-layer steel corrugated plate 1 is 68-500mm, the wave depth is 13-250mm, and the thickness is 3-14mm, so that the method can be suitable for most scenes; the wave parameters of the arc-shaped outer layer steel corrugated plate 1 and the arc-shaped inner layer steel corrugated plate 2 can be the same or different, but the transverse widths are kept consistent.
Furthermore, the number of the wave forms of the arc-shaped outer layer steel corrugated plate 1 is 1-8.
In this embodiment, the number of the wave forms of the steel corrugated plate 1 on the outer layer of the screening arc is 1-8, and the effect is good.
Further, the surface of the arc-shaped outer layer steel corrugated plate 1 is provided with a corrosion-resistant layer.
In this embodiment, in order to improve the service life of the outer steel corrugated plate 1 of arc, the outer steel corrugated plate 1 of arc is provided with a corrosion-resistant layer, and can specifically select zinc plating or other corrosion-resistant layers.
An arch culvert, a plurality of precast concrete double-layer corrugated plate structures are spliced into an arch shape and then are used for being connected with foundation bolts on a foundation, and the arch culvert also comprises,
the transverse sealing rubber plate 19 is arranged between the transverse convex flange plate 3 and the transverse concave flange plate 6 of the adjacent precast concrete double-layer corrugated plate structure;
and the circumferential sealing rubber plate 20 is arranged between the circumferential outer flange plates 14 of the adjacent precast concrete double-layer corrugated plate structures.
In this embodiment, the double-deck buckled plate structure of a plurality of precast concrete splices into the arch each other, through being connected with rag bolt on the ground, adapts to different construction requirements. The transverse sealing rubber plate 19 is arranged between the transverse convex flange plate 3 and the transverse concave flange plate 6 of the adjacent precast concrete double-layer corrugated plate structure; the circumferential sealing rubber plate 20 is arranged between the circumferential outer flange plates 14 of the adjacent precast concrete double-layer corrugated plate structures.
A pipe culvert is characterized in that a plurality of precast concrete double-layer corrugated plate structures are spliced into a pipe shape.
In this embodiment, a plurality of precast concrete double-deck corrugated plate structure splices each other and can forms the tubulose, adapts to different construction requirements.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A precast concrete double-layer corrugated plate structure is characterized by comprising,
an arc-shaped outer layer steel corrugated plate (1);
the corrugated steel plate comprises an arc-shaped inner-layer steel corrugated plate (2), wherein the arc-shaped outer-layer steel corrugated plate (1) is arranged on one side of the arc-shaped inner-layer steel corrugated plate (2);
a transverse convex flange plate (3), wherein the transverse convex flange plate (3) is provided with a convex part (5);
the transverse concave flange plate (6) is opposite to the transverse convex flange plate (3), a mold cavity (7) is defined by the arc-shaped outer-layer steel corrugated plate (1), the arc-shaped inner-layer steel corrugated plate (2), the transverse convex flange plate (3) and the transverse concave flange plate (6), a groove (8) is formed in the transverse concave flange plate (6), the shape of the convex part (5) is matched with that of the groove (8), and bolt holes (9) are formed in the transverse convex flange plate (3) and the transverse concave flange plate (6);
the arc-shaped reinforcing steel bar frame (10), and the arc-shaped reinforcing steel bar frame (10) is arranged in the die cavity (7);
one end of the outer-layer shear nail (11) is arranged on the arc-shaped outer-layer steel corrugated plate (1), and the other end of the outer-layer shear nail (11) is arranged on the arc-shaped reinforcing steel bar frame (10);
one end of the inner layer shear nail (12) is arranged on the arc-shaped inner layer steel corrugated plate (2), and the other end of the inner layer shear nail (12) is arranged on the arc-shaped reinforcing steel bar frame (10);
and the concrete layer (13) is arranged in the die cavity (7) and surrounds the arc-shaped reinforcing steel bar frame (10), the outer-layer shear nails (11) and the inner-layer shear nails (12).
2. The precast concrete double-deck corrugated plate structure as recited in claim 1, further comprising,
the circumferential outer flange plates (14) are arranged on two sides of the arc-shaped outer layer steel corrugated plate (1) and are positioned between the transverse convex flange plate (3) and the transverse concave flange plate (6);
the annular inner side flange plate (15), the annular inner side flange plate (15) is arranged on two sides of the arc-shaped inner layer steel corrugated plate (2) and is positioned between the transverse convex flange plate (3) and the transverse concave flange plate (6).
3. A precast concrete double-deck corrugated plate structure according to claim 1, wherein the arc-shaped reinforcing frames (10) comprise,
one end of the outer layer shear nail (11) is arranged on the arc-shaped outer layer corrugated steel plate (1), and the other end of the outer layer shear nail is arranged on the first reinforcing steel frame (16);
and one end of the inner layer shear nail (12) is arranged on the arc-shaped inner layer corrugated steel plate (2), and the other end of the inner layer shear nail is arranged on the second steel bar frame (17) or the first steel bar frame (16).
4. A precast concrete double-deck corrugated plate structure according to claim 3, wherein the inner-deck shear pins (12) comprise,
the nail body penetrates through the arc-shaped inner-layer steel corrugated plate (2) and the second reinforcing steel bar frame (17), and is provided with fixing nuts which are respectively positioned on two sides of the arc-shaped inner-layer steel corrugated plate (2);
the nail tail is arranged on the nail body and located on one side of the arc-shaped inner-layer steel corrugated plate (2) away from the nail body, and the nail body is perpendicular to the nail tail.
5. A precast concrete double-deck corrugated plate structure according to claim 1,
the outer layer shear nails (11) are arranged at wave crests of the arc-shaped outer layer steel corrugated plate (1), and the inner layer shear nails (12) are arranged at wave crests or wave troughs of the arc-shaped inner layer steel corrugated plate (2).
6. A precast concrete double-deck corrugated plate structure according to claim 1,
the wave pitch of the arc-shaped outer layer steel corrugated plate (1) is 68-500mm, the wave depth is 13-250mm, and the thickness is 3-14 mm.
7. A precast concrete double-deck corrugated plate structure according to claim 1,
the number of the wave forms of the arc-shaped outer layer steel corrugated plates (1) is 1-8.
8. A precast concrete double-deck corrugated plate structure according to claim 1,
the surface of the arc-shaped outer layer steel corrugated plate (1) is provided with a corrosion-resistant layer.
9. An arch culvert comprising a precast concrete double-deck corrugated plate structure as claimed in claim 1, wherein a plurality of said precast concrete double-deck corrugated plate structures are spliced to each other in an arch shape and then used for connection with anchor bolts on a foundation, and further comprising,
a transverse sealing rubber plate (19), wherein the transverse sealing rubber plate (19) is used for being arranged between the transverse convex flange plate (3) and the transverse concave flange plate (6) of the adjacent precast concrete double-layer corrugated plate structure;
the annular sealing rubber plate (20), the annular sealing rubber plate (20) is used for setting up adjacently between the annular outside flange plates (14) of the double-deck corrugated plate structure of precast concrete.
10. A pipe culvert comprising a precast concrete double-layer corrugated plate structure as claimed in claim 1, wherein a plurality of said precast concrete double-layer corrugated plate structures are spliced to each other in a tubular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343248.4A CN113863175A (en) | 2021-11-13 | 2021-11-13 | Precast concrete double-deck corrugated plate structure, arch culvert and pipe culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343248.4A CN113863175A (en) | 2021-11-13 | 2021-11-13 | Precast concrete double-deck corrugated plate structure, arch culvert and pipe culvert |
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| CN113863175A true CN113863175A (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117364676A (en) * | 2023-11-06 | 2024-01-09 | 湖南省交通规划勘察设计院有限公司 | Prefabricated single-hole explosion-proof box culvert |
-
2021
- 2021-11-13 CN CN202111343248.4A patent/CN113863175A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117364676A (en) * | 2023-11-06 | 2024-01-09 | 湖南省交通规划勘察设计院有限公司 | Prefabricated single-hole explosion-proof box culvert |
| CN117364676B (en) * | 2023-11-06 | 2024-04-26 | 湖南省交通规划勘察设计院有限公司 | Prefabricated single-hole explosion-proof box culvert |
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Effective date of registration: 20230907 Address after: 053000 No.18, Xiangsu Road, high tech Zone, Hengshui City, Hebei Province Applicant after: HENGSHUI QIJIA ENGINEERING MATERIALS Co.,Ltd. Applicant after: Shandong Jinqu Design Consulting Group Co.,Ltd. Address before: 053000 No.18, Xiangsu Road, high tech Zone, Hengshui City, Hebei Province Applicant before: HENGSHUI QIJIA ENGINEERING MATERIALS Co.,Ltd. |