CN210288159U - Split type precast concrete culvert's concatenation structure - Google Patents
Split type precast concrete culvert's concatenation structure Download PDFInfo
- Publication number
- CN210288159U CN210288159U CN201920997016.2U CN201920997016U CN210288159U CN 210288159 U CN210288159 U CN 210288159U CN 201920997016 U CN201920997016 U CN 201920997016U CN 210288159 U CN210288159 U CN 210288159U
- Authority
- CN
- China
- Prior art keywords
- culvert
- piece
- steel bar
- culvert piece
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011178 precast concrete Substances 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 88
- 239000010959 steel Substances 0.000 claims abstract description 88
- 238000009434 installation Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Landscapes
- Sewage (AREA)
Abstract
The utility model relates to the technical field of box culvert, in particular to a split joint structure of a split precast concrete culvert, which comprises an upper culvert piece, a lower culvert piece, a deformed steel bar and a nut; the upper culvert piece and the lower culvert piece are arranged oppositely, and the deformed steel bar is embedded in the lower culvert piece or the upper culvert piece, extends towards the direction vertical to the end face opposite to the upper culvert piece or the lower culvert piece, and protrudes out of the end face of the culvert piece where the deformed steel bar is positioned; corresponding hole sites are arranged on the culvert piece opposite to the deformed steel bar in the lower culvert piece or the upper culvert piece so that the deformed steel bar can penetrate through the corresponding hole sites; the culvert piece penetrated by the threaded steel bar is provided with an installation groove for installing a nut on the threaded steel bar; the size of the nut is larger than the hole position, the size meets the requirement of installation in the installation groove, and the upper culvert piece and the lower culvert piece are reliably connected through the fixation of the nut on the threaded steel rod. The utility model discloses mounting structure is simple, only needs the concatenation that has realized the culvert promptly through the fastening of nut and screw-thread steel bar, has improved the installation effectiveness of engineering greatly.
Description
Technical Field
The utility model relates to a box culvert technical field especially relates to split type precast concrete culvert's concatenation structure.
Background
The box culvert refers to a culvert built by reinforced concrete box pipe joints. The box culvert is composed of one or more square or rectangular sections, generally made of reinforced concrete or masonry, generally cast-in-place is adopted in box culvert construction, a bottom layer is arranged in an excavated groove, a concrete cushion layer is poured, processed reinforcing steel bars are bound on site, an inner mold and an outer mold are supported, a bottom plate and the lower half part of a side wall are generally poured in a larger box culvert, then reinforcing steel bars on the upper part of the side wall and a top plate are bound, the inner mold and the outer mold are supported, and the upper half part of the side wall and the top plate are poured. And (5) removing the formwork when the concrete reaches the strength required by the design, and backfilling the soil on the two sides of the box culvert.
However, the box culvert is manufactured and constructed on site, so that a large amount of large-scale equipment is needed to participate, the occupied area is large, a large number of participants are needed, the potential safety hazard is large, the requirement on weather is high, the box culvert is not suitable for construction in rainy and snowy weather, the construction of the culvert needs to be sequentially carried out according to the time sequence, particularly in a pouring stage, the dependency on the weather is too strong, and the mounting efficiency of the culvert is greatly reduced.
In view of the above problems, the designer actively makes research and innovation based on years of abundant practical experience and professional knowledge in engineering application of such products and by using the theory, so as to create a split joint structure of the split precast concrete culvert, thereby making the split joint structure more practical.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a split type precast concrete culvert splicing structure is provided, the defects of cast-in-place construction are overcome, and the culvert installation efficiency is improved.
In order to achieve the aim, the utility model provides a split joint structure of a split precast concrete culvert, which comprises an upper culvert piece, a lower culvert piece, a deformed steel bar and a nut;
the upper culvert pieces and the lower culvert pieces are arranged oppositely, and two opposite end faces of the upper culvert pieces and the lower culvert pieces are attached during installation;
the deformed steel bar is pre-embedded in the lower culvert piece or the upper culvert piece, extends towards the direction vertical to the end face opposite to the upper culvert piece or the lower culvert piece, and protrudes out of the end face of the culvert piece where the deformed steel bar is positioned;
corresponding hole sites are arranged on the culvert piece opposite to the deformed steel bar in the lower culvert piece or the upper culvert piece so that the deformed steel bar can penetrate through the corresponding hole sites;
a mounting groove is formed in a culvert piece through which the deformed steel bar penetrates, the mounting groove is formed in the tail end of the hole site and is arranged on the inner side of the upper culvert piece or the lower culvert piece and used for mounting the nut on the deformed steel bar;
the size of the nut is larger than that of the hole, the size of the nut meets the requirement of installation in the installation groove, and the upper culvert piece and the lower culvert piece are reliably connected through the fixation of the nut on the threaded steel bar.
Preferably, the steel plate comprises an anchoring steel plate welded on the deformed steel bar and embedded in the upper culvert piece or the lower culvert piece.
Preferably, the device further comprises a sleeve;
the deformed steel bar further comprises a first deformed steel bar and a second deformed steel bar; the first threaded steel bar is connected with the second threaded steel bar through the sleeve;
and a sleeve mounting groove is formed in the end surface of the upper culvert piece or the lower culvert piece and used for mounting the sleeve with the first threaded steel bar and the second threaded steel bar.
Preferably, the end faces of the upper culvert pieces and the lower culvert pieces, which correspond to each other, are provided with guide structures, the guide structures are convex strips arranged on any end face of the upper culvert pieces or the lower culvert pieces and grooves arranged on the other end face, and vertical contact faces of the convex strips and the grooves are obliquely arranged.
Preferably, still include inflation rubber sealing strip and vertical stagnant water groove, vertical stagnant water groove set up in on the piece of adding the culvert piece with on the terminal surface that the piece of containing down corresponds, and be provided with at least twice, be close to respectively add the culvert piece or the both sides setting of piece of containing down, inflation rubber sealing strip set up in the vertical stagnant water groove.
Preferably, the grouting device further comprises a grouting hole, wherein the grouting hole is communicated with the sleeve mounting groove and is used for grouting into the sleeve mounting groove.
Preferably, the grouting device further comprises an air outlet, wherein the air outlet is communicated with the hole position and is arranged close to the mounting groove and used for air outlet in the grouting process.
Preferably, still include the gasket, be provided with the round hole on the gasket, the size of round hole is greater than the screw-thread steel bar just the size of gasket is less than the mounting groove, the gasket set up in the nut with between the mounting groove.
The utility model has the advantages that: the utility model discloses a bury screw-thread rod and nut in culvert piece in advance with two culvert pieces fastenings, simple structure need not pour at the scene, can carry out the site operation on one side, carry out the preparation of culvert piece and lower culvert piece in the mill on one side, do not receive the influence of weather, mounting structure is simple moreover, only needs the concatenation that has realized the culvert promptly through the fastening of nut and screw-thread rod, has improved the installation effectiveness of engineering greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a split joint structure of a split precast concrete culvert according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of a portion a in fig. 1 according to an embodiment of the present invention.
Reference numerals: 1-upper culvert piece, 2-lower culvert piece, 3-screw steel bar, 9-nut, 7-hole site, 10-installation groove, 5-anchoring steel plate, 6-sleeve, 20-sleeve installation groove, 13-expansion rubber water stop bar, 14-longitudinal water stop groove, 11-grouting hole, 15-air outlet hole and 8-gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The split joint structure of the split precast concrete culvert shown in figures 1 and 2 comprises an upper culvert piece 1, a lower culvert piece 2, a threaded steel bar 3 and a nut 9;
the upper culvert pieces 1 and the lower culvert pieces 2 are oppositely arranged, and when the upper culvert pieces 1 and the lower culvert pieces 2 are installed, the two opposite end faces of the upper culvert pieces 1 and the lower culvert pieces 2 are attached;
the deformed steel bar 3 is embedded in the lower culvert pieces 2 or the upper culvert pieces 1, extends towards the direction vertical to the end faces opposite to the upper culvert pieces 1 or the lower culvert pieces 2, and protrudes out of the end faces of the culvert pieces where the deformed steel bar is located; it should be pointed out here that the screw-thread steel rod 3 both can be pre-buried in the piece of containing 1, also can be pre-buried in the piece of containing 2 down, and two kinds of pre-buried modes all fall into the utility model discloses a within the scope of protection, for the convenience of description is clear, the utility model discloses a following part all uses screw-thread steel rod 3 to pre-buried in containing 2 down as the example and carries out the detailed description, but can not understand as right the utility model discloses a restriction.
Corresponding hole positions 7 are arranged in the upper culvert pieces 1 so that the deformed steel bars 3 can penetrate through the hole positions;
the upper culvert piece 1 is provided with a mounting groove 10, the mounting groove 10 is arranged at the tail end of the hole position 7 and is arranged on the inner side of the upper culvert piece 1 and used for mounting a nut 9 on the threaded steel bar 3;
specifically, the size of nut 9 is greater than hole site 7, and its size satisfies the requirement of installation in mounting groove 10, through the fixed of nut 9 and screw-thread steel bar 3, makes reliably be connected between culvert piece 1 and the lower culvert piece 2.
In the above embodiment, through the screw-thread steel bar 3 and the nut 9 of pre-burial in the piece 2 of containing down with two piece fastenings, simple structure need not pour at the scene, can carry out site operation on one side, carry out the preparation of containing piece 1 and piece 2 of containing down in the mill on one side, do not receive the influence of weather, installation operation is succinct moreover, only needs the fastening through nut 9 and screw-thread steel bar 3 to realize the concatenation of culvert promptly, has improved the installation effectiveness of engineering greatly.
Preferably, the steel culvert further comprises an anchoring steel plate 5, wherein the anchoring steel plate 5 is welded on the deformed steel bar 3 and is embedded in the culvert piece 2. The effect of anchor steel sheet 5 lies in increasing the area of contact of screw-thread steel stick 3 and lower culvert piece 2 to improve the fixed strength of screw-thread steel stick 3 in lower culvert piece 2, prevent not hard up of screw-thread steel stick 3, thereby improved the connection structure intensity between upper culvert piece 1 and lower culvert piece 2.
In order to avoid damage to the deformed steel bar 3 during transportation, the deformed steel bar is configured as an assembled structure in the embodiment, specifically referring to fig. 2, and further includes a sleeve 6;
the deformed steel bars 3 further comprise a first deformed steel bar 31 and a second deformed steel bar 32; the first threaded steel bar 31 is connected with the second threaded steel bar 32 through the sleeve 6; the sleeve 6 here is a tubular structure provided with an internal thread which engages with the external thread of the threaded steel rod 3, so that the first threaded steel rod 31 and the second threaded steel rod 32 are joined together.
The end face of the lower culvert piece 2 is provided with a sleeve mounting groove 20 for mounting the sleeve 6 with the first deformed steel bar 31 and the second deformed steel bar 32. The sleeve mounting groove 20 is used for providing a space for mounting the sleeve 6, and meanwhile, the sleeve mounting groove 20 also protects the first threaded steel bar 31 from being subjected to external force in the transportation process to change the shape, so that the mounting strength is guaranteed.
In order to facilitate the installation of the upper culvert piece 1 and the lower culvert piece 2, the upper culvert piece 1 and the lower culvert piece 2 are provided with a guide structure on the corresponding end surface, the guide structure is a groove arranged on the raised line on the upper culvert piece 1 or the lower culvert piece 2 on any end surface and another end surface, and the raised line is obliquely arranged with the vertical contact surface of the groove. As shown in fig. 2, the sleeve mounting groove 20 is provided with a groove above, the lower end of the upper culvert piece 1 is provided with a convex strip corresponding to the groove, and two side walls of the convex strip are inclined, when the installation is completed, the two inclined side walls play a role in guiding, and when the installation is completed, the two inclined side walls can prevent the transverse relative displacement between the upper culvert piece 1 and the lower culvert piece 2, and under the action force when the gravity of the upper culvert piece 1 and the deformed steel bar 3, the connection structure is more stable.
In order to improve the waterproof performance of the culvert, the culvert also comprises an expansion rubber water stop strip 13 and a longitudinal water stop groove 14, the longitudinal water stop groove 14 is arranged on the end faces of the upper culvert piece 1 corresponding to the lower culvert piece 2 and is provided with at least two channels, the two sides of the upper culvert piece 1 and the two sides of the lower culvert piece 2 are respectively close to the longitudinal water stop strip 13, and the expansion rubber water stop strip 13 is arranged in the longitudinal water stop groove 14. Here, the longitudinal water stopping groove 14 functions to fix the expanded rubber water stopping strip 13, and the expanded rubber water stopping strip 13 can function to prevent water under the squeezing action of the culvert sheets 1 and 2.
In order to further enhance the fixing function of the deformed steel bar 3, as shown in fig. 2, the deformed steel bar further comprises a grouting hole 11, and the grouting hole 11 is communicated with the sleeve mounting groove 20 and is used for grouting into the sleeve mounting groove 20.
Further, still include venthole 15, venthole 15 and hole site 7 intercommunication, and set up in being close to mounting groove 10 department for the gas outlet of slip casting in-process. Mortar is injected into the sleeve mounting groove 20 and the hole site 7 through the grouting hole 11 until the air hole 13 leaks the mortar.
In order to reduce the concentrated stress that 9 department mounting grooves 10 of nut received, still include gasket 8, be provided with the round hole on the gasket 8, the size of round hole is greater than screw-thread steel bar 3 and the size of gasket is less than mounting groove 10, and gasket 8 sets up between nut 9 and mounting groove 10. The spacer 8 functions to increase a contact area with a contact surface of the mounting groove 10, thereby offsetting concentrated stress applied to the nut 9.
In the specific construction process, firstly, the upper culvert piece 1 and the lower culvert piece 2 are transported to a construction site, then the second deformed steel bar 32 is connected with the first deformed steel bar 31 embedded in the lower culvert piece 2 through the sleeve 6, the expansion rubber water stop strips 13 are placed in the longitudinal water stop grooves 14 on two sides of the joint, then the upper culvert piece 1 is lifted, the second deformed steel bar 32 is aligned with the hole position 7 and slightly falls down to realize the butt joint of the upper culvert piece 1 and the lower culvert piece 2, then the gasket 8 is sleeved on the second deformed steel bar 32 through the mounting groove 10 in the culvert, and meanwhile, the nut 9 is placed at the top end of the second deformed steel bar 32 and is twisted to be tight; and injecting mortar into the sleeve mounting groove 20 and the hole site 7 through the grouting hole 11 until the mortar leaks out of the air outlet 15, and finishing the splicing process of the split precast concrete culvert.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The split joint structure of the split precast concrete culvert is characterized by comprising an upper culvert piece, a lower culvert piece, a threaded steel bar and a nut;
the upper culvert pieces and the lower culvert pieces are arranged oppositely, and two opposite end faces of the upper culvert pieces and the lower culvert pieces are attached during installation;
the deformed steel bar is pre-embedded in the lower culvert piece or the upper culvert piece, extends towards the direction vertical to the end face opposite to the upper culvert piece or the lower culvert piece, and protrudes out of the end face of the culvert piece where the deformed steel bar is positioned;
corresponding hole sites are arranged on the culvert piece opposite to the deformed steel bar in the lower culvert piece or the upper culvert piece so that the deformed steel bar can penetrate through the corresponding hole sites;
a mounting groove is formed in a culvert piece through which the deformed steel bar penetrates, the mounting groove is formed in the tail end of the hole site and is arranged on the inner side of the upper culvert piece or the lower culvert piece and used for mounting the nut on the deformed steel bar;
the size of the nut is larger than that of the hole, the size of the nut meets the requirement of installation in the installation groove, and the upper culvert piece and the lower culvert piece are reliably connected through the fixation of the nut on the threaded steel bar.
2. The spliced structure of the segmental precast concrete culvert according to claim 1, further comprising an anchoring steel plate welded to the deformed steel bar and embedded in the upper culvert piece or the lower culvert piece.
3. The spliced structure of the segmental precast concrete culvert according to claim 2, further comprising a sleeve;
the deformed steel bar further comprises a first deformed steel bar and a second deformed steel bar; the first threaded steel bar is connected with the second threaded steel bar through the sleeve;
and a sleeve mounting groove is formed in the end surface of the upper culvert piece or the lower culvert piece and used for mounting the sleeve with the first threaded steel bar and the second threaded steel bar.
4. The splicing structure of the divided precast concrete culvert according to claim 1, wherein a guide structure is provided on the end surface of the upper culvert piece corresponding to the lower culvert piece, the guide structure is a rib provided on either one end surface of the upper culvert piece or the lower culvert piece and a groove provided on the other end surface, and the vertical contact surface of the rib and the groove is inclined.
5. The splicing structure of the split precast concrete culvert according to claim 3, further comprising an expansion rubber water stop strip and a longitudinal water stop groove, wherein the longitudinal water stop groove is provided on the end surface of the upper culvert piece corresponding to the lower culvert piece, and is provided with at least two passages, the two passages are respectively provided near both sides of the upper culvert piece or the lower culvert piece, and the expansion rubber water stop strip is provided in the longitudinal water stop groove.
6. The spliced structure of a divided precast concrete culvert according to claim 5, further comprising a grouting hole communicating with the sleeve mounting groove for grouting into the sleeve mounting groove.
7. The spliced structure of a segmented precast concrete culvert according to claim 6, further comprising an air outlet hole, wherein the air outlet hole is communicated with the hole site and is arranged near the mounting groove for air outlet in a grouting process.
8. The spliced structure of a segmental precast concrete culvert according to claim 1, further comprising a spacer provided with a round hole having a size larger than the threaded steel rod and a size smaller than the mounting groove, the spacer being disposed between the nut and the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997016.2U CN210288159U (en) | 2019-06-28 | 2019-06-28 | Split type precast concrete culvert's concatenation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997016.2U CN210288159U (en) | 2019-06-28 | 2019-06-28 | Split type precast concrete culvert's concatenation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210288159U true CN210288159U (en) | 2020-04-10 |
Family
ID=70099516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920997016.2U Active CN210288159U (en) | 2019-06-28 | 2019-06-28 | Split type precast concrete culvert's concatenation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210288159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144426A (en) * | 2020-10-20 | 2020-12-29 | 福建中设工程咨询有限公司 | Highway culvert structure and construction method |
-
2019
- 2019-06-28 CN CN201920997016.2U patent/CN210288159U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144426A (en) * | 2020-10-20 | 2020-12-29 | 福建中设工程咨询有限公司 | Highway culvert structure and construction method |
| CN112144426B (en) * | 2020-10-20 | 2021-12-03 | 福建中设工程咨询有限公司 | Highway culvert structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105569224B (en) | Concrete filled steel tube edge constraint overlaps monoblock type shear wall and preparation and installation method | |
| CN104328845B (en) | The method of attachment of 3D printing reinforced masonry shear wall and attachment structure | |
| CN105780935A (en) | Prefabricated assembling type steel pipe restrained energy-dissipation connection node and construction method | |
| CN108729564A (en) | Assembled architecture system | |
| CN109024870A (en) | The connection structure and its construction method of assembled underground structure vertical member | |
| CN110029753A (en) | A kind of crack resistence exempts from float strips board wall body and construction method | |
| CN101356318B (en) | Precast concrete segment having connecting structure using steel duct, and connecting structure thereof | |
| CN207110083U (en) | Assembled architecture system | |
| CN108824671A (en) | The fabricated shear wall and its construction method of curved scissors stress separation | |
| CN210288159U (en) | Split type precast concrete culvert's concatenation structure | |
| CN107905424A (en) | Full prefabricated band splicing groove unidirectional harden structure, making and assembly method | |
| CN203334270U (en) | Mountable buried type prefabricated hollow underground diaphragm wall | |
| CN110644538A (en) | Basement side wall extra front and back pouring belt periphery protection structure | |
| KR100815174B1 (en) | Pipe Roof Tunnel and Constructing Method thereof | |
| CN210857596U (en) | Prefabricated assembly type non-reinforced concrete shear wall | |
| CN104594389A (en) | Post-cast strip external wall plugging structure with elastic water stoppers | |
| CN109372133B (en) | Middle-buried rubber water stop installation and positioning construction method | |
| CN207525961U (en) | A kind of full prefabricated band splicing unidirectional harden structure of groove | |
| CN205444570U (en) | Wallboard connected node | |
| CN205444565U (en) | Wallboard connected node | |
| CN216787229U (en) | Basement outer wall post-cast strip assembled shutoff steel sheet structure | |
| CN205329682U (en) | What blade was expanded in area expands bottom tube stake | |
| CN205444571U (en) | Wallboard connected node | |
| CN205382595U (en) | Integral shear force wall of steel pipe concrete edge constraint coincide | |
| CN205444555U (en) | Wallboard connected node |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |