CN106702916A - U-shaped assembly type reinforced concrete cover board culvert and construction method thereof - Google Patents
U-shaped assembly type reinforced concrete cover board culvert and construction method thereof Download PDFInfo
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- CN106702916A CN106702916A CN201710063597.8A CN201710063597A CN106702916A CN 106702916 A CN106702916 A CN 106702916A CN 201710063597 A CN201710063597 A CN 201710063597A CN 106702916 A CN106702916 A CN 106702916A
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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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Abstract
The invention discloses a U-shaped assembly type reinforced concrete cover board culvert which is enclosed through a prefabricated reinforced concrete cover board, prefabricated reinforced concrete side walls and a cast-in-place reinforced concrete bottom board. Prefabricated reinforced concrete side wall sections are prefabricated into a whole through vertical wall sections, vertical wall toe board sections and vertical wall heel board sections. Multiple transversely-arranged connecting reinforcing steel bars are embedded in each vertical wall toe board section and each vertical wall heel board section. The connecting reinforcing steel bars extend outwards from the longitudinal end face of each vertical wall heel board section. Multiple reinforcing steel bars are arranged in the cast-in-place reinforced concrete bottom board, wherein the two ends of each reinforcing steel bar are welded to the corresponding connecting reinforcing steel bars on the two sides. The cast-in-place reinforced concrete bottom board is sequentially connected with the vertical wall heel board sections opposite on the two sides in the axial direction of the culvert. The invention further discloses a construction method of the U-shaped assembly type reinforced concrete cover board culvert. Prefabricated components are manufactured in a centralized manner and lifted and spliced on a field, the engineering quality can be effectively improved, the construction period is saved, and economic benefits are improved.
Description
Technical field
The present invention relates to culvert, channel design engineering field, contain in particular to a kind of assembled steel reinforced concrete cover of U-shaped
Hole and its construction method.
Background technology
At present, existing cover plate culvert use wall mostly and Foundation Fieldbus field pour, the mode of cover plate concentration pre-casting
Constructed.
The limitation of this cover plate culvert is mainly reflected in two aspects：One is cast in situs Engineering Quality Control difficulty
Greatly, required construction period is more long；Two is that existing prefabricated slab culvert structure type is not good enough, and the scope of application is narrower, does not possess general
Property.
Road now is newly-built or transformation process in reduce as far as possible to the influence of traffic requirement under, the need of fabricated culvert
Ask more and more, therefore it is necessary to develop a kind of suitable, general assembled steel reinforced concrete cover culvert structure.
The content of the invention
It is an object of the present invention to provide a kind of assembled steel reinforced concrete cover culvert of general U-shaped, ensure that structure
Part construction quality, effectively save the duration.
To achieve the above object, the assembled steel reinforced concrete cover culvert designed by the present invention is by prefabricated reinforced concrete
Cover plate, prefabricated reinforced concrete side wall and cast-in-situ steel reinforced concrete base plate enclose from top, both sides and lower section around culvert axis respectively
Conjunction is formed, and the prefabricated reinforced concrete side wall of both sides is symmetrical on culvert axis, the prefabricated reinforced concrete lid
Plate includes multiple prefabricated reinforced concrete cover plate sections along the order laminating of culvert axis direction, described precast reinforced per side
Concrete side wall includes multiple prefabricated reinforced concrete side wall sections along the order laminating of culvert axis direction, described precast reinforced
Concrete side wall sections is integral by wall sections, wall heel slab sections and wall toe board precast segment, the wall heel slab section
Section, the wall toe board sections from the lower end of the wall sections respectively laterally inward, stretching out forms, wall heel
It is embedded with many connection reinforcing bars of lateral arrangement in plate segment and the wall toe board sections, the connection reinforcing bar is from the wall
The longitudinal terminal surface of heel slab sections is protruding, be provided with the cast-in-situ steel reinforced concrete base plate many two ends respectively with both sides
The reinforcing bar of the connection reinforcement welding connection, the cast-in-situ steel reinforced concrete base plate is sequentially connected with both sides phase along culvert axis direction
To the wall heel slab sections.
Preferably, the horizontal section of the prefabricated reinforced concrete cover plate sections is upper end is wide, lower end is narrow two
The ladder that individual rectangle is combined into, described in the both sides of the width of the wall sections and the prefabricated reinforced concrete cover plate sections
The width of the cascaded surface of ladder is equal.
Preferably, the outer ledge a quarter of distance from top two of the prefabricated reinforced concrete cover plate sections is wide
The suspension ring reinforcing bar for lifting by crane assembling is provided with degree.
Preferably, the horizontal section of the wall toe board sections is trapezoidal, the upper end of the wall toe board sections
Face connects the outer upper of the wall toe board sections and the lateral wall of the wall sections obliquely.
Preferably, the horizontal section of the wall heel slab sections is rectangle, the thickness of the wall heel slab sections
Thickness with the cast-in-situ steel reinforced concrete base plate is equal.
Preferably, the relative prefabricated reinforced concrete side wall sections top of each pair is laterally covered and is pressed with multiple institutes
Prefabricated reinforced concrete cover plate sections is stated, the sections of each prefabricated reinforced concrete side wall sections is long described pre- equal to multiple
The sections of reinforced concrete cover plate sections processed is long.
Preferably, each prefabricated reinforced concrete side wall sections top shelve three it is described precast reinforced mixed
Solidifying earth mulch plate segment, a length of 1m of sections of the prefabricated reinforced concrete cover plate sections, the prefabricated reinforced concrete side wall section
The a length of 3m of sections of section.
The present invention also aims to, there is provided a kind of assembled steel reinforced concrete cover culvert construction method of general U-shaped,
Ensure that component construction quality, effectively save the duration.
To achieve the above object, the construction method of the assembled steel reinforced concrete cover culvert designed by the present invention, including
Following steps：A () uses the prefabricated prefabricated reinforced concrete cover plate sections of flat manner in factory, pre- using the mode of lying on one's side
Make the prefabricated reinforced concrete side wall sections；B () carries out subbase construction at the construction field (site)；C () is by the wall, described
The suspension ring reinforcing bar of wall heel slab sections and the wall toe board sections side is by the prefabricated reinforced concrete side wall sections
It is lifted on transport vehicle, and will be described precast reinforced mixed using same lifting method after the transport vehicle reaches job site
Solidifying soil side wall sections is unloaded from the transport vehicle；D () is at the construction field (site) by wall top and the suspension ring of side
It is standing manner that reinforcing bar overturns the prefabricated reinforced concrete side wall sections from the mode of lying on one's side, and by the wall at the top of
The prefabricated reinforced concrete side wall sections is lifted to job site and specifies deposit position by the suspension ring reinforcing bar；E () is by institute
The suspension ring reinforcing bar at the top of prefabricated reinforced concrete cover plate sections is stated to be lifted to the prefabricated reinforced concrete cover plate sections
On transport vehicle, same lifting method is used after the transport vehicle reaches job site by the prefabricated reinforced concrete cover plate
Sections is unloaded from the transport vehicle, and is lifted to the specified deposit position in job site；F () is by described at the top of the wall
It is described precast reinforced with adjacent that the prefabricated reinforced concrete side wall sections is lifted to the installation site specified by suspension ring reinforcing bar
Concrete side wall sections splices, and cuts off the institute of the wall, the wall heel slab sections and the wall toe board sections side
State suspension ring reinforcing bar；G () detects the installation positioning states of the prefabricated reinforced concrete side wall sections, carried out to being unsatisfactory for requirement
Adjustment；H () repeat step (f) and step (g) are until form the prefabricated reinforced concrete side wall；I () is described precast reinforced
Concrete side wall top place mat two-layer asphalt felt；J () is by the suspension ring at the top of the prefabricated reinforced concrete cover plate sections
The prefabricated reinforced concrete cover plate sections is lifted to the installation site specified and adjacent described precast reinforced coagulation by reinforcing bar
Earth mulch plate segment splices；K () repeating said steps (j) is until form the prefabricated reinforced concrete cover plate；L () is by the wall
The pre-buried connection reinforcing bar for stretching in inner side end enters with corresponding cage bar in the cast-in-situ steel reinforced concrete base plate in heel slab sections
Row welding, casting concrete makes the prefabricated reinforced concrete side wall integral with the cast-in-situ steel reinforced concrete sole shape；(m)
Between prefabricated reinforced concrete cover plate sections described in adjacent two, described in adjacent two between prefabricated reinforced concrete side wall sections,
And filling in the construction joint between the prefabricated reinforced concrete cover plate sections and the prefabricated reinforced concrete side wall sections
Encapsulant, the outside culvert outer surface of the construction joint laying water-proof coiled material centered on the construction joint；N () is described pre-
Reinforced concrete cover plate processed and the prefabricated reinforced concrete side wall outer surface uniform application heated bitumen；O () uses water penetration material
Material carries out the culvert back of the body and backfills and be compacted.
Preferably, in the step (m), filled bitumen loose hemp fiber in the construction joint, depth of cracking closure is deep for seam
2/3, on the outside of the construction joint culvert outer surface laid centered on the construction joint width 1m SBS elastomer modified asphalts prevent
Water coiled material, each 50cm in construction joint both sides is wide；In the step (n), the prefabricated reinforced concrete cover plate and described pre-
Uniform application three layers of heated bitumen in armored concrete side wall outer surface processed, every layer of thickness of heated bitumen is 1~1.5mm.
Preferably, in the step (b), subbase construction includes that the 40cm of both sides 50cm wider than structure is thick
Base with Sand Gravel Cushion construction and the thick concrete base layer construction of 15cm on the Base with Sand Gravel Cushion.
Preferably, in the step (e), the prefabricated reinforced concrete cover plate sections is using multiple-level stack
Mode is transported, and is used between prefabricated reinforced concrete cover plate sections described in levels and is arranged on the corresponding cover plate lower edge of suspension ring reinforcing bar
The lumps of wood pad at place.
Preferably, in the step (j), it is symmetrical that the prefabricated reinforced concrete cover plate sections is installed on both sides
The prefabricated reinforced concrete side wall sections top, and the prefabricated reinforced concrete cover plate segment end face just with it is described
Prefabricated reinforced concrete side wall sections outer side surface is flushed.
Preferably, in the step (o), contain back of the body backfilling material and 2mm is not less than using particle diameter and is not more than
The cut into a mountain rubble of rock ballast or intensity not less than 30MPa, roadbed same time-division adjacent thereto during backfill of 5cm, quality not less than 50%
Layer is filled.
The beneficial effects of the invention are as follows：The assembled steel reinforced concrete cover culvert of U-shaped of the invention and its construction method are adopted
Prefabricated reinforced concrete cover plate sections and prefabricated reinforced concrete side wall sections, the construction quality of prefabricated components are made with centralization
Can be guaranteed, the splicing of prefabricated components on-site hoisting, operation is simple, speed of application is fast, can effectively save the duration, improve warp
Ji benefit.
Brief description of the drawings
Fig. 1 is the structural representation using the assembled steel reinforced concrete cover culvert of U-shaped of the preferred embodiments of the present invention.
Fig. 2 is the section structure schematic diagram of the assembled steel reinforced concrete cover culvert of U-shaped in Fig. 1.
Fig. 3 is the structural representation after the prefabricated components assembling of the assembled steel reinforced concrete cover culvert of U-shaped in Fig. 1.
Fig. 4 is the structure of the prefabricated reinforced concrete cover plate sections of the assembled steel reinforced concrete cover culvert of U-shaped in Fig. 1
Schematic diagram.
Fig. 5 is the structure of the prefabricated reinforced concrete side wall sections of the assembled steel reinforced concrete cover culvert of U-shaped in Fig. 1
Schematic diagram.
Each part numbers are as follows in figure：It is prefabricated reinforced concrete cover plate sections 1, prefabricated reinforced concrete side wall sections 2, existing
Pour reinforced concrete floor 3, wall sections 4, wall heel slab sections 5, wall toe board sections 6, suspension ring reinforcing bar 7, connection reinforcing bar 8,
Concrete base layer 9, Base with Sand Gravel Cushion 10.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 is referred to, the assembled steel reinforced concrete cover culvert of U-shaped of the preferred embodiments of the present invention is by prefabricated
Reinforced concrete cover plate, prefabricated reinforced concrete side wall and cast-in-situ steel reinforced concrete base plate 3 are from respectively from top, both sides and lower section
Enclosed around culvert axis and formed, the prefabricated reinforced concrete side wall of both sides is symmetrical on culvert axis.Precast reinforced coagulation
Earth mulch plate includes multiple prefabricated reinforced concrete cover plate sections 1 along the order laminating of culvert axis direction.Pre-manufactured steel per side
Reinforced concrete side wall includes multiple prefabricated reinforced concrete side wall sections 2 along the order laminating of culvert axis direction.It is multiple prefabricated
Along culvert axis direction, sequentially relative symmetry is arranged on the axis both sides of culvert to armored concrete side wall sections 2, and each pair is relative
Laterally lid is pressed with multiple prefabricated reinforced concrete cover plate sections 1, cast in place reinforced bar coagulation to the top of prefabricated reinforced concrete side wall sections 2
Native base plate 3 is sequentially connected with the lower end of relative prefabricated reinforced concrete side wall sections 2 along culvert axis direction.
The sections (along the length of culvert axis direction) long of prefabricated reinforced concrete cover plate sections 1 is 1m, and horizontal section is
The ladder that two rectangles that upper end is wide, lower end is narrow are combined into, it is thicker than two ends in the middle of it, structure stress is improved, optimize structure
Size.
Fig. 3 and Fig. 4 is please referred to, it is pre- that multiple (being three in figure) are shelved in the top of prefabricated reinforced concrete side wall sections 2
Reinforced concrete cover plate sections 1 processed.That is, the sections of prefabricated reinforced concrete side wall sections 2 is long to be equal to three precast reinforced coagulations
The sections of earth mulch plate segment 1 is long.When the sections of prefabricated reinforced concrete cover plate sections 1 (along the length of culvert axis direction) long is
During 1m, a length of 3m of sections of prefabricated reinforced concrete side wall sections 2.The width of the upper end of prefabricated reinforced concrete side wall sections 2 with
The width at the cascaded surface edge of 1 liang of side steps of prefabricated reinforced concrete cover plate sections is equal, when prefabricated reinforced concrete cover plate section
The lid of section 1 is when being pressed in prefabricated reinforced concrete side wall 2 upper end of sections, the end face of its both sides just with prefabricated reinforced concrete side wall section
The side wall of section 2 is concordant.
Suspension ring reinforcing bar is provided with the outer ledge a quarter width of 1 distance from top of prefabricated reinforced concrete cover plate sections two
7, lifted by crane when two suspension ring reinforcing bars 7 are transported and installed for prefabricated reinforced concrete cover plate sections 1.
Please refer to Fig. 3 and Fig. 5, prefabricated reinforced concrete side wall sections 2 by wall sections 4, wall heel slab sections 5 and
Wall toe board sections 6 is prefabricated integral, and wall heel slab sections 5, wall toe board sections 6 are from the lower end of wall sections 4 respectively along horizontal stroke
Formed to in culvert, to extension outside culvert.The horizontal section of wall toe board sections 6 is trapezoidal, i.e., wall toe board sections 6 is upper
The outer upper and the lateral wall of wall sections 4 of the oblique connection wall toe board sections 6 of end face, can effectively reduce wall sections
4 overall dimensions, optimize structure stress, the stability of enhancing prefabricated reinforced concrete side wall sections 2.Wall heel slab sections 5
Horizontal section is rectangle, and its thickness is equal with the thickness of cast-in-situ steel reinforced concrete base plate 3.Prefabricated reinforced concrete side wall sections 2
Wall heel slab sections 5 and wall toe board sections 6 in be embedded with many connection reinforcing bars 8 of lateral arrangement, connection reinforcing bar 8 is from wall
The longitudinal terminal surface of heel slab sections 5 is protruding.
For the ease of the lifting and assembling of prefabricated reinforced concrete side wall sections 2, prefabricated reinforced concrete side wall sections 2
The side of the top of wall sections 4 and side, wall heel slab sections 5 and wall toe board sections 6 is provided with suspension ring reinforcing bar 7, single
Sections needs to cut off suspension ring reinforcing bar 7 after installing in place.
Connected by connecting reinforcing bar 8 between cast-in-situ steel reinforced concrete base plate 3 and prefabricated reinforced concrete side wall sections 2
Connect.Connection reinforcing bar 8 of the two ends of the reinforcing bar in cast-in-situ steel reinforced concrete base plate 3 respectively with the wall heel slab sections 5 of both sides is welded.
Cast-in-situ steel reinforced concrete base plate 3 axially pours connection along culvert, and is sequentially connected with relative prefabricated reinforced concrete side wall sections 2
Wall heel slab sections 5.The thickness of cast-in-situ steel reinforced concrete base plate 3 is equal with the thickness of wall heel slab sections 5.
The assembled steel reinforced concrete cover culvert construction method of U-shaped of the preferred embodiments of the present invention is comprised the following steps：
A () uses the prefabricated prefabricated reinforced concrete cover plate sections 1 of flat manner in factory, prefabricated pre- using the mode of lying on one's side
Armored concrete side wall sections 2 processed.
Prefabricated reinforced concrete cover plate sections 1 is prefabricated using flat manner, and prefabricated reinforced concrete side wall sections 2 uses side
Sleeping mode is prefabricated.First, reinforcing bar in prefabricated reinforced concrete cover plate sections 1 or prefabricated reinforced concrete side wall sections 2 is set up
Frame；Then, corresponding steel form is set up according to design drawing, template is both needed to do corresponding at the suspension ring reinforcing bar 7 and connection reinforcing bar 8
Perforate measure；Finally, casting concrete completes prefabricated.
B () job site carries out subbase construction.
In step (b), subbase construction includes that the thick Base with Sand Gravel Cushion 10 of the 40cm of both sides 50cm wider than structure is constructed
Concrete base layer 9 with the 15cm thickness on Base with Sand Gravel Cushion 10 is constructed.First, excavation of foundation pit is carried out, to being unsatisfactory for ground
Requirement for bearing capacity carries out basement process；Then, layering making and the thick gravels of 40cm of both sides 50cm wider than structure are compacted
Bed course 10, finally pours the thick concrete base layers 9 of 15cm on Base with Sand Gravel Cushion 10.
C () will be precast reinforced mixed by the suspension ring reinforcing bar 7 of wall 4, wall heel slab sections 5 and the side of wall toe board sections 6
Solidifying soil side wall sections 2 is lifted on transport vehicle, and will using same lifting method after the transport vehicle reaches job site
Prefabricated reinforced concrete side wall sections 2 is unloaded from the transport vehicle.
(d) at the construction field (site), by the suspension ring reinforcing bar 7 of the top of wall 4 and side by prefabricated reinforced concrete side wall sections 2
It is standing manner to be overturn from the mode of lying on one's side, and by the suspension ring reinforcing bar 7 at the top of wall 4 by prefabricated reinforced concrete side wall sections 2
It is lifted to job site and specifies deposit position.
E () is by the suspension ring reinforcing bar 7 at the top of prefabricated reinforced concrete cover plate sections 1 by prefabricated reinforced concrete cover plate
Sections 1 is lifted on transport vehicle, and same lifting method is used after transport vehicle reaches job site by prefabricated reinforced concrete
Cover plate sections 1 is unloaded from transport vehicle, and is lifted to the specified deposit position in job site.
In step (e), first, will be precast reinforced by the suspension ring reinforcing bar 7 at the top of prefabricated reinforced concrete cover plate sections 1
Concrete cover sections 1 is lifted on transport vehicle, and transport, levels are piled up in multiple layerings of prefabricated reinforced concrete cover plate sections 1
Using the lumps of wood pad for being arranged on the corresponding cover plate lower edge of suspension ring reinforcing bar between prefabricated reinforced concrete cover plate sections；Then,
Same lifting method is used after the transport vehicle reaches job site by the prefabricated reinforced concrete cover plate sections 1 from fortune
Unloaded on defeated car, and be lifted to job site and specify deposit position.
F installation that prefabricated reinforced concrete side wall sections 2 is lifted to specify by () by the suspension ring reinforcing bar 7 at the top of wall 4
Position is spliced with adjacent prefabricated reinforced concrete side wall sections 2, and cuts off wall 4, wall heel slab sections 5 and wall toe board section
The suspension ring reinforcing bar 7 of 6 sides of section.
G the installation positioning states of () detection prefabricated reinforced concrete side wall sections 2, are adjusted to being unsatisfactory for requirement.
H () repeat step (f) and step (g) are until form the prefabricated reinforced concrete side wall.
(i) place mat two-layer asphalt felt at the top of the prefabricated reinforced concrete side wall.
J () is by the suspension ring reinforcing bar 7 at the top of prefabricated reinforced concrete cover plate sections 1 by prefabricated reinforced concrete cover plate sections
1 installation site for being lifted to specify is spliced with adjacent prefabricated reinforced concrete cover plate sections 1.
In step (j), prefabricated reinforced concrete cover plate sections 1 is installed on monosymmetric prefabricated reinforced concrete side wall
The top of sections 2, and the end face of prefabricated reinforced concrete cover plate sections 1 just with the lateral wall of prefabricated reinforced concrete side wall sections 2
Face flushes.
K () repeat step (j) is until form the prefabricated reinforced concrete cover plate；
L () is by the connection reinforcing bar 8 for stretching in inner side end pre-buried in wall heel slab sections 5 and cast-in-situ steel reinforced concrete base plate
Corresponding cage bar is welded in 3, and casting concrete makes prefabricated reinforced concrete side wall be formed with cast-in-situ steel reinforced concrete base plate 3
It is overall.
M () is between adjacent two prefabricated reinforced concretes cover plate sections 1, adjacent two prefabricated reinforced concretes side wall sections 2
Between and the construction joint between prefabricated reinforced concrete cover plate sections 1 and prefabricated reinforced concrete side wall sections 2 carry out waterproof
Treatment.
In step (m), filled bitumen loose hemp fiber in construction joint, depth of cracking closure is deep 2/3 of seam, on the outside of construction joint outside culvert
The SBS elastomer modified asphalt waterproof rolls of width 1m are laid on surface centered on construction joint, and each 50cm in both sides is wide for seam.
(n) in prefabricated reinforced concrete cover plate and prefabricated reinforced concrete side wall outer surface three layers of heated bitumen of uniform application,
It is 1~1.5mm per thickness degree, fully ensures the waterproof effect of the assembled steel reinforced concrete cover culvert.
O () is backfilled and is compacted using the culvert back of the body that dank material carries out culvert.
In the step (o), culvert back of the body backfilling material is not less than 2mm using particle diameter and no more than 5cm, quality are not less than
50% rubble of rock ballast or intensity not less than 30MPa that cuts into a mountain, roadbed adjacent thereto placement in layers simultaneously during backfill.Culvert structure
It is compacted using small-sized machine in the range of edge 100cm, is rolled using heavy-duty machinery outside 100cm scopes, to ensure the pressure of backfill
Solidity.
Compared with existing cover plate culvert, assembled steel reinforced concrete cover culvert advantage of the invention be mainly reflected in
Under several aspects：One is cover plate and side wall uses the construction quality of concentration pre-casting, prefabricated components can be guaranteed；Two is prefabricated
Scantling is smaller, and transport and lifting are convenient；Three are set between prefabricated reinforced concrete side wall and cast-in-situ steel reinforced concrete base plate
Connection bar connecting is equipped with, connection is reliable, good integrity；Four is the splicing of prefabricated components on-site hoisting, and operation is simple, speed of application
Hurry up, can effectively save the duration, increase economic efficiency.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (13)
1. a kind of assembled steel reinforced concrete cover culvert, by prefabricated reinforced concrete cover plate, prefabricated reinforced concrete side wall and
Cast-in-situ steel reinforced concrete base plate (3) encloses around culvert axis from top, both sides and lower section form respectively, the pre-manufactured steel of both sides
Reinforced concrete side wall is symmetrical on culvert axis, and the prefabricated reinforced concrete cover plate includes multiple along culvert axis direction
Prefabricated reinforced concrete cover plate sections (1) of order laminating, the prefabricated reinforced concrete side wall per side includes multiple edges
Prefabricated reinforced concrete side wall sections (2) of culvert axis direction order laminating, it is characterised in that：The prefabricated reinforced concrete
Side wall sections (2) is prefabricated integral by wall sections (4), wall heel slab sections (5) and wall toe board sections (6), the wall
Heel slab sections (5), the wall toe board sections (6) from the lower end of the wall sections (4) respectively laterally inward, stretch out
Form, many connection reinforcing bars of lateral arrangement are embedded with the wall heel slab sections (5) and the wall toe board sections (6)
(8), connection reinforcing bar (8) is protruding from the longitudinal terminal surface of the wall heel slab sections (5), the cast-in-situ steel reinforced concrete
The reinforcing bar that many two ends are welded to connect with the connection reinforcing bar (8) of both sides respectively, the cast in place reinforced bar are provided with base plate (3)
Concrete floor (3) is sequentially connected with the relative wall heel slab sections (5) in both sides along culvert axis direction.
2. assembled steel reinforced concrete cover culvert according to claim 1, it is characterised in that：The precast reinforced coagulation
The horizontal section of earth mulch plate segment (1) is the ladder that two rectangles that upper end is wide, lower end is narrow are combined into, the wall sections (4)
Width it is equal with the width of the cascaded surface of the ladder of the both sides of the prefabricated reinforced concrete cover plate sections (1).
3. assembled steel reinforced concrete cover culvert according to claim 2, it is characterised in that：The precast reinforced coagulation
The suspension ring reinforcing bar for lifting by crane assembling is provided with the outer ledge a quarter width of distance from top two of earth mulch plate segment (1)
(7)。
4. assembled steel reinforced concrete cover culvert according to claim 1, it is characterised in that：The wall toe board sections
(6) horizontal section is trapezoidal, and the upper surface of the wall toe board sections (6) connects the wall toe board sections (6) obliquely
Outer upper and the wall sections (4) lateral wall.
5. assembled steel reinforced concrete cover culvert according to claim 4, it is characterised in that：The wall heel slab sections
(5) horizontal section is rectangle, the thickness of the thickness of the wall heel slab sections (5) and the cast-in-situ steel reinforced concrete base plate (3)
Degree is equal.
6. assembled steel reinforced concrete cover culvert according to any one of claim 1 to 5, it is characterised in that：Each pair
Laterally lid is pressed with multiple prefabricated reinforced concrete cover plate sections for the relative prefabricated reinforced concrete side wall sections (2) top
Section (1), the sections of each prefabricated reinforced concrete side wall sections (2) is long equal to multiple prefabricated reinforced concrete cover plates
The sections of sections (1) is long.
7. assembled steel reinforced concrete cover culvert according to claim 6, it is characterised in that：It is each described precast reinforced
Shelve three prefabricated reinforced concrete cover plate sections (1), the prefabricated reinforced concrete in concrete side wall sections (2) top
Sections a length of 1m, a length of 3m of sections of the prefabricated reinforced concrete side wall sections (2) of cover plate sections (1).
8. a kind of construction method of assembled steel reinforced concrete cover culvert according to claim 1, comprises the following steps：
A () uses the prefabricated prefabricated reinforced concrete cover plate sections (1) of flat manner in factory, prefabricated using the mode of lying on one's side
The prefabricated reinforced concrete side wall sections (2)；
B () carries out subbase construction at the construction field (site)；
The c suspension ring that () passes through the wall (4), the wall heel slab sections (5) and wall toe board sections (6) side
Be lifted to the prefabricated reinforced concrete side wall sections (2) on transport vehicle by reinforcing bar (7), and it is existing to reach construction in the transport vehicle
The prefabricated reinforced concrete side wall sections (2) is unloaded from the transport vehicle using same lifting method after；
D () is at the construction field (site) by the suspension ring reinforcing bar (7) of the wall (4) top and side by the precast reinforced coagulation
It is standing manner that native side wall sections (2) overturns from the mode of lying on one's side, and by the suspension ring reinforcing bar (7) at the top of the wall (4)
The prefabricated reinforced concrete side wall sections (2) is lifted to job site and specifies deposit position；
E () will be described precast reinforced mixed by the suspension ring reinforcing bar (7) at the top of the prefabricated reinforced concrete cover plate sections (1)
Solidifying earth mulch plate segment (1) is lifted on transport vehicle, will using same lifting method after the transport vehicle reaches job site
The prefabricated reinforced concrete cover plate sections (1) is unloaded from the transport vehicle, and is lifted to the specified deposit position in job site；
F () is played the prefabricated reinforced concrete side wall sections (2) by the suspension ring reinforcing bar (7) at the top of the wall (4)
It is hung to the installation site specified to splice with the adjacent prefabricated reinforced concrete side wall sections (2), and cuts off the wall
(4), the suspension ring reinforcing bar (7) of the wall heel slab sections (5) and wall toe board sections (6) side；
G () detects the installation positioning states of the prefabricated reinforced concrete side wall sections (2), the carrying out to being unsatisfactory for requiring is adjusted
It is whole；
H () repeat step (f) and step (g) are until form the prefabricated reinforced concrete side wall；
(i) place mat two-layer asphalt felt at the top of the prefabricated reinforced concrete side wall；
J () will be described precast reinforced mixed by the suspension ring reinforcing bar (7) at the top of the prefabricated reinforced concrete cover plate sections (1)
The installation site that solidifying earth mulch plate segment (1) is lifted to specify is spliced with the adjacent prefabricated reinforced concrete cover plate sections (1)；
K () repeating said steps (j) is until form the prefabricated reinforced concrete cover plate；
L () is mixed with the cast in place reinforced bar by the connection reinforcing bar (8) for stretching in inner side end pre-buried in the wall heel slab sections (5)
Corresponding cage bar is welded in solidifying soil base plate (3), and casting concrete makes the prefabricated reinforced concrete side wall cast-in-place with described
Reinforced concrete floor (3) forms overall；
M () is between prefabricated reinforced concrete cover plate sections (1) described in adjacent two, prefabricated reinforced concrete side wall described in adjacent two
Between sections (2) and the prefabricated reinforced concrete cover plate sections (1) and the prefabricated reinforced concrete side wall sections (2)
Between construction joint in packing matcrial, the outside culvert outer surface of the construction joint is laid anti-centered on the construction joint
Water coiled material；
N () is in the prefabricated reinforced concrete cover plate and the prefabricated reinforced concrete side wall outer surface uniform application heated bitumen；
O () carries out the culvert back of the body and backfills and be compacted using dank material.
9. the construction method of assembled steel reinforced concrete cover culvert according to claim 8, it is characterised in that：Described
In step (m), filled bitumen loose hemp fiber in the construction joint, depth of cracking closure is deep 2/3 of seam, culvert appearance on the outside of the construction joint
The SBS elastomer modified asphalt waterproof rolls of width 1m, each 50cm in construction joint both sides are laid centered on the construction joint in face
It is wide；In the step (n), the prefabricated reinforced concrete cover plate and the prefabricated reinforced concrete side wall outer surface uniformly apply
Three layers of heated bitumen are smeared, every layer of thickness of heated bitumen is 1~1.5mm.
10. the construction method of assembled steel reinforced concrete cover culvert according to claim 8, it is characterised in that：Institute
State in step (b), subbase construction includes thick Base with Sand Gravel Cushion (10) constructions of the 40cm of both sides 50cm wider than structure and is located at
Concrete base layer (9) construction of the 15cm thickness on the Base with Sand Gravel Cushion (10).
The construction method of 11. assembled steel reinforced concrete cover culverts according to claim 8, it is characterised in that：Institute
State in step (e), the prefabricated reinforced concrete cover plate sections (1) is transported by the way of multiple-level stack, it is pre- described in levels
Using the lumps of wood pad for being arranged on the corresponding cover plate lower edge of suspension ring reinforcing bar (7) between reinforced concrete cover plate sections (1) processed.
The construction method of 12. assembled steel reinforced concrete cover culverts according to claim 8, it is characterised in that：Institute
State in step (j), the prefabricated reinforced concrete cover plate sections (1) is installed on the monosymmetric prefabricated reinforced concrete side
Wall sections (2) top, and prefabricated reinforced concrete cover plate sections (1) end face just with the prefabricated reinforced concrete side
Wall sections (2) outer side surface is flushed.
The construction method of 13. assembled steel reinforced concrete cover culverts according to claim 8, it is characterised in that：Institute
State in step (o), contain cut into a mountain rock ballast of the back of the body backfilling material using particle diameter not less than 2mm and no more than 5cm, quality not less than 50%
Or rubble of the intensity not less than 30MPa, roadbed adjacent thereto placement in layers simultaneously during backfill.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710063597.8A CN106702916A (en) | 2017-02-03 | 2017-02-03 | U-shaped assembly type reinforced concrete cover board culvert and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710063597.8A CN106702916A (en) | 2017-02-03 | 2017-02-03 | U-shaped assembly type reinforced concrete cover board culvert and construction method thereof |
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| CN106702916A true CN106702916A (en) | 2017-05-24 |
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| CN201710063597.8A Pending CN106702916A (en) | 2017-02-03 | 2017-02-03 | U-shaped assembly type reinforced concrete cover board culvert and construction method thereof |
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| CN107893383A (en) * | 2017-12-28 | 2018-04-10 | 中交二公局第四工程有限公司 | One kind assembling installing type concrete culvert |
| CN108468281A (en) * | 2018-04-12 | 2018-08-31 | 广东高恩高速公路有限公司 | Composite cover-plate culvert, modular bridge structure and its construction method |
| CN108560585A (en) * | 2018-05-30 | 2018-09-21 | 上海城建建设实业集团新型建筑材料嘉兴有限公司 | The full assembling structure of outer wall of basement and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107893383A (en) * | 2017-12-28 | 2018-04-10 | 中交二公局第四工程有限公司 | One kind assembling installing type concrete culvert |
| CN108468281A (en) * | 2018-04-12 | 2018-08-31 | 广东高恩高速公路有限公司 | Composite cover-plate culvert, modular bridge structure and its construction method |
| CN108643064A (en) * | 2018-05-21 | 2018-10-12 | 南通路桥工程有限公司 | Case leads to segment and case leads to segment lifting method for turning |
| CN108560585A (en) * | 2018-05-30 | 2018-09-21 | 上海城建建设实业集团新型建筑材料嘉兴有限公司 | The full assembling structure of outer wall of basement and its construction method |
| CN108560585B (en) * | 2018-05-30 | 2023-12-19 | 上海城建建设实业集团新型建筑材料嘉兴有限公司 | Basement outer wall full assembly structure and construction method thereof |
| CN108894129A (en) * | 2018-07-28 | 2018-11-27 | 上海二十冶建设有限公司 | A kind of prefabricated assembled culvert structure and its construction method |
| CN109944175A (en) * | 2019-04-30 | 2019-06-28 | 中铁四川生态城投资有限公司 | A kind of rain sewage separation tunnel |
| CN110172930B (en) * | 2019-05-29 | 2023-08-18 | 中信国安建工集团有限公司 | Assembling method of prefabricated reinforced concrete culvert cover plate |
| CN110172930A (en) * | 2019-05-29 | 2019-08-27 | 中信国安建工集团有限公司 | A kind of prefabricated assembling type reinforced concrete culvert cover board and its production, assembly method |
| CN110439026A (en) * | 2019-07-23 | 2019-11-12 | 广州地铁设计研究院股份有限公司 | A kind of assembled cantilever retaining wall and its earth-retaining construction method |
| CN110565550A (en) * | 2019-09-29 | 2019-12-13 | 长安大学 | Assembly type self-draining pipe culvert and assembly method thereof |
| CN110847065A (en) * | 2019-11-26 | 2020-02-28 | 湖北省路桥集团有限公司 | Prefabricated assembled box channel and construction method |
| CN111827154A (en) * | 2020-08-06 | 2020-10-27 | 中国建筑一局(集团)有限公司 | High-soil-covering waste slag yard slab culvert structure and construction method thereof |
| CN114232677A (en) * | 2021-11-18 | 2022-03-25 | 中铁二十四局集团有限公司 | Assembled reinforced concrete channel construction device and construction method |
| CN114808776A (en) * | 2022-04-18 | 2022-07-29 | 中交一公局集团有限公司 | Prefabricated installation construction method for prefabricated box culvert pipe |
| CN115075155A (en) * | 2022-07-18 | 2022-09-20 | 中铁四局集团第五工程有限公司 | Assembled culvert and construction method |
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| WO2023006129A3 (en) * | 2022-08-16 | 2023-03-23 | 中铁上海工程局集团有限公司 | Assembly type culvert |
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Application publication date: 20170524 |