CN111305094A - Construction method for prefabricated assembly type trapezoidal staggered box culvert structure - Google Patents
Construction method for prefabricated assembly type trapezoidal staggered box culvert structure Download PDFInfo
- Publication number
- CN111305094A CN111305094A CN202010213861.3A CN202010213861A CN111305094A CN 111305094 A CN111305094 A CN 111305094A CN 202010213861 A CN202010213861 A CN 202010213861A CN 111305094 A CN111305094 A CN 111305094A
- Authority
- CN
- China
- Prior art keywords
- sections
- box culvert
- regular
- side wall
- trapezoid
- 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.)
- Withdrawn
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
① prefabricating regular trapezoid sections and inverted trapezoid sections ② which can be distributed in a staggered manner and are sequentially connected to form a box culvert body, excavating a foundation on a construction site, leveling and on-site lofting, hoisting the regular trapezoid sections to place the regular trapezoid sections at two ends and in the middle of the design position of the box culvert body and fixing the regular trapezoid sections, hoisting the inverted trapezoid sections to place the inverted trapezoid sections between the regular trapezoid sections ③ to press the tops of the inverted trapezoid sections, tightly pressing the seams of the inverted trapezoid sections and the regular trapezoid sections, enabling the front side wall, the rear side wall, the upper bottom and the lower bottom of the inverted trapezoid sections to be respectively aligned with the front side wall, the rear side wall, the upper bottom and the lower bottom of the regular trapezoid sections, keeping the box culvert body to be smoothly sealed at ④, backfilling and excavating soil to finish construction.
Description
Technical Field
The invention relates to the technical field of culvert construction, in particular to a construction method of a prefabricated assembly type trapezoidal staggered box culvert structure.
Background
The culvert is a drainage facility built below the road surface, adopts the mode of on-site excavation and pouring in the early stage, has longer construction period and can not ensure the working medium. In order to improve the situation, the prior art mostly adopts a prefabricated box culvert technology. When the box culvert is prefabricated, standardized factory prefabrication production can be realized, the box culvert is not influenced by natural environment, the quality and the production efficiency of prefabricated parts are fully ensured, and the construction cost is reduced; meanwhile, a large material yard does not need to be arranged on site, and the influence on urban environment and traffic is small. However, in order to conveniently and longitudinally connect adjacent box culvert sections, a plurality of shear keys are often required to be arranged when the box culvert sections are prefabricated, and the shear keys are difficult to fit during later assembly, so that much inconvenience is brought to construction; secondly, for the culvert which is built in poor foundation geology or needs to bear larger load at the upper part, the box culvert segments are tensioned and prestressed after being in place so as to improve the stability of the whole structure; thirdly, if settlement occurs to some box culvert sections due to uneven foundation, dislocation can occur between adjacent sections, sealing failure of connecting joints is caused, and culvert safety is affected.
Disclosure of Invention
In order to solve the problems, the invention provides a construction method of a prefabricated assembled trapezoidal staggered box culvert structure, which is convenient to prefabricate, easy to assemble, and good in sealing performance and overall structure stability, and the following technical scheme can be adopted:
the invention relates to a construction method of a prefabricated assembled trapezoidal staggered box culvert structure, which comprises the following steps:
firstly, prefabricating regular trapezoidal sections and inverted trapezoidal sections which can be distributed in a staggered manner and are sequentially connected to form a box culvert body;
the front side wall and the rear side wall of the regular trapezoid section are corresponding in position and equal in size, and the upper bottom area of the regular trapezoid section is smaller than the lower bottom area;
the front side wall and the rear side wall of the inverted trapezoidal section are corresponding in position and equal in size, and the upper bottom area of the inverted trapezoidal section is larger than the lower bottom area;
secondly, excavating a foundation on a construction site, carrying out leveling treatment and site lofting, hoisting and fixing the regular trapezoid sections at the two ends and the middle of the designed position of the box culvert body, and hoisting and fixing the inverted trapezoid sections among the regular trapezoid sections;
thirdly, applying pressure to the top of the inverted trapezoidal section to tightly extrude the seam of the inverted trapezoidal section and the seam of the regular trapezoidal section, so that the front side wall, the rear side wall, the upper bottom and the lower bottom of the inverted trapezoidal section are respectively aligned with the front side wall, the rear side wall, the upper bottom and the lower bottom of the regular trapezoidal section, and the box culvert body is kept to be smooth;
and fourthly, sealing the joint, backfilling and digging soil, and finishing construction.
The front and rear side walls of the regular trapezoid sections at the two ends of the box culvert body are right trapezoid, and the front and rear side walls of the regular trapezoid sections in the middle of the box culvert body are isosceles trapezoid.
The front side wall and the rear side wall of the inverted trapezoid section are isosceles trapezoids.
The two sides of the lower bottom of the inverted trapezoidal section are provided with tooth blocks extending outwards, and the lower bottom of the regular trapezoidal section is provided with notches matched with the tooth blocks.
Sealing rubber strips are arranged on the contact surfaces of the regular trapezoid sections and the inverted trapezoid sections.
The construction method of the prefabricated assembly type trapezoid staggered box culvert structure can conveniently prefabricate each box culvert segment, and enables the joints of the box culvert segments to be automatically extruded and tightly pressed under the action of upper load and dead weight of the box culvert segments by staggering the prefabricated regular trapezoid segments and the reverse trapezoid segments on a construction site, so that the construction steps of tensioning prestress and the like are omitted, convenience and rapidness are realized, and the construction efficiency is greatly improved; meanwhile, stress can be mutually transmitted among the box culvert sections, so that all the sections are stressed together, and the integrity of the prefabricated culvert structure is improved; therefore, if some box culvert sections subside, adjacent sections can also produce the same displacement trend, avoid seam seal structure to suffer destruction, have improved the security of culvert.
Drawings
FIG. 1 is a schematic view of the assembly construction of the present invention.
Fig. 2 is a three-dimensional schematic view of the right trapezoidal segment at the end of fig. 1.
Fig. 3 is a three-dimensional schematic view of the centrally located regular trapezoidal segment of fig. 1.
Fig. 4 is a three-dimensional schematic view of the inverted trapezoidal segment located in the middle of fig. 1.
Figure 5 is a force exploded view of the box culvert body shown in figure 1.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-5, the construction method of the prefabricated trapezoidal staggered box culvert structure of the invention relates to a regular trapezoidal section 1 and an inverted trapezoidal section 2 which are prefabricated in a factory and can be arranged in a staggered manner and connected in sequence to form a box culvert body.
Specifically, the front side wall and the rear side wall of the regular trapezoid section 1 are corresponding in position and equal in size, and the upper floor area is smaller than the lower floor area; and the front and rear side walls of the regular trapezoid segments 1 positioned at the two ends of the box culvert body are right trapezoid (see figure 2), and the front and rear side walls of the regular trapezoid segments positioned in the middle of the box culvert body are isosceles trapezoid (see figure 3).
The front side wall and the rear side wall of the inverted trapezoid section 2 are corresponding in position and equal in size, and the upper bottom area is larger than the lower bottom area; and the front and rear side walls thereof are isosceles trapezoids (see fig. 4).
The positions of the front side wall and the rear side wall of the regular trapezoid section 1 and the inverted trapezoid section 2 are corresponding, and the front side wall and the rear side wall are symmetrically distributed along the longitudinal central plane of the box culvert body.
In order to facilitate the connection between the prefabricated sections and simultaneously avoid the prefabricated sections from sliding along the connected oblique sections, the two sides of the lower bottom of the inverted trapezoidal section 2 are respectively provided with a tooth block 3 extending outwards, and the lower bottom of the regular trapezoidal section 1 is provided with a notch 4 matched with the tooth block 3. In addition, in order to improve the sealing performance of the box culvert body, sealing rubber strips 5 are installed on the contact surfaces of the regular trapezoid sections 1 and the inverted trapezoid sections 2.
During construction, the method comprises the following steps:
firstly, prefabricating the regular trapezoid section 1 and the inverted trapezoid section 2 according to design requirements;
secondly, excavating a foundation on a construction site, carrying out leveling treatment and on-site lofting, hoisting the regular trapezoid sections 1, placing the regular trapezoid sections 1 at the two ends and the middle of the designed position of the box culvert body, fixing the regular trapezoid sections, then cleaning impurities on the inclined surfaces at the side parts of the regular trapezoid sections 1, installing sealing rubber strips 5, hoisting the inverted trapezoid sections 2, placing the inverted trapezoid sections 2 at the openings between the regular trapezoid sections 1, and aligning the bottom tooth blocks 3 of the inverted trapezoid sections 2 with the notches 4 of the adjacent regular trapezoid sections 1;
thirdly, applying pressure to the top of the inverted trapezoidal section 2, and tightly extruding the seam of the inverted trapezoidal section 2 and the seam of the regular trapezoidal section 1 to ensure that the front side wall, the rear side wall, the upper bottom and the lower bottom of the inverted trapezoidal section 2 are respectively aligned with the front side wall, the rear side wall, the upper bottom and the lower bottom of the regular trapezoidal section 1, so as to keep the box culvert body integral smooth;
and fourthly, sealing the joint, backfilling and digging soil, and finishing construction.
The box culvert segments can be prefabricated in a factory standard manner in the early stage, and are simple and easy to assemble on site in the later stage, and the assembled box culvert body is stable in overall structure, good in sealing performance, long in service life and good in popularization value.
Compared with the prior art, the invention has the following advantages:
1) the invention can realize factory prefabrication, the shear keys at the end parts of all prefabricated sections are few, and the prefabrication is simple;
2) according to the invention, the regular trapezoid segments and the inverted trapezoid segments are staggered, under the action of gravity and upper load, all prefabricated segments mutually transmit stress, the joints are tightly extruded, the prestress maintaining structure can be reduced or omitted, and the integrity is good (see figure 5);
3) according to the invention, the matched notches and tooth blocks are arranged on the box culvert bottom plates of adjacent prefabricated sections, so that the prefabricated sections can be effectively prevented from sliding along the direction of the oblique section, and a plurality of shear key structures are saved;
4) when the foundation is unevenly settled, the trapezoidal inclined edges of the prefabricated segments are mutually contacted and stressed, and under the condition that a certain prefabricated segment is settled, the adjacent prefabricated segments generate the same displacement trend, so that the integrity and the continuity of the structure are maintained;
5) in the hoisting construction process of the prefabricated sections, the right-angle trapezoidal sections at the end parts and the regular trapezoidal sections in the middle are hoisted firstly, and then the inverted trapezoidal sections at the openings between the sections are hoisted, so that the reserved space positions of the inverted trapezoidal sections are larger in the construction process, and the construction is convenient.
In the description of the present invention, it should be noted that the terms "front", "back", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Claims (5)
1. A construction method for prefabricating an assembled trapezoidal staggered box culvert structure is characterized by comprising the following steps: the method comprises the following steps:
firstly, prefabricating regular trapezoidal sections and inverted trapezoidal sections which can be distributed in a staggered manner and are sequentially connected to form a box culvert body;
the front side wall and the rear side wall of the regular trapezoid section are corresponding in position and equal in size, and the upper bottom area of the regular trapezoid section is smaller than the lower bottom area;
the front side wall and the rear side wall of the inverted trapezoidal section are corresponding in position and equal in size, and the upper bottom area of the inverted trapezoidal section is larger than the lower bottom area;
secondly, excavating a foundation on a construction site, carrying out leveling treatment and site lofting, hoisting and fixing the regular trapezoid sections at the two ends and the middle of the designed position of the box culvert body, and hoisting and fixing the inverted trapezoid sections among the regular trapezoid sections;
thirdly, applying pressure to the top of the inverted trapezoidal section to tightly extrude the seam of the inverted trapezoidal section and the seam of the regular trapezoidal section, so that the front side wall, the rear side wall, the upper bottom and the lower bottom of the inverted trapezoidal section are respectively aligned with the front side wall, the rear side wall, the upper bottom and the lower bottom of the regular trapezoidal section, and the box culvert body is kept to be smooth;
and fourthly, sealing the joint, backfilling and digging soil, and finishing construction.
2. The construction method of the prefabricated trapezoidal staggered box culvert structure according to claim 1, characterized in that: the front and rear side walls of the regular trapezoid sections at the two ends of the box culvert body are right trapezoid, and the front and rear side walls of the regular trapezoid sections in the middle of the box culvert body are isosceles trapezoid.
3. The construction method of the prefabricated trapezoidal staggered box culvert structure according to claim 1, characterized in that: the front side wall and the rear side wall of the inverted trapezoid section are isosceles trapezoids.
4. The construction method of the prefabricated trapezoidal staggered box culvert structure according to claim 1, characterized in that: the two sides of the lower bottom of the inverted trapezoidal section are provided with tooth blocks extending outwards, and the lower bottom of the regular trapezoidal section is provided with notches matched with the tooth blocks.
5. The construction method of the prefabricated trapezoidal staggered box culvert structure according to claim 1, characterized in that: sealing rubber strips are arranged on the contact surfaces of the regular trapezoid sections and the inverted trapezoid sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213861.3A CN111305094A (en) | 2020-03-24 | 2020-03-24 | Construction method for prefabricated assembly type trapezoidal staggered box culvert structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213861.3A CN111305094A (en) | 2020-03-24 | 2020-03-24 | Construction method for prefabricated assembly type trapezoidal staggered box culvert structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111305094A true CN111305094A (en) | 2020-06-19 |
Family
ID=71151466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010213861.3A Withdrawn CN111305094A (en) | 2020-03-24 | 2020-03-24 | Construction method for prefabricated assembly type trapezoidal staggered box culvert structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111305094A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115330A1 (en) * | 2004-11-29 | 2006-06-01 | Terratech Consulting Ltd. | Open bottom box culvert |
| CN103233433A (en) * | 2013-04-27 | 2013-08-07 | 上海市政工程设计研究总院（集团）有限公司 | Urban road pavement rainwater collection and utilization system |
| CN205917610U (en) * | 2016-08-24 | 2017-02-01 | 四川华构住宅工业有限公司 | Prefabricated assembled concrete box culvert |
| CN107780437A (en) * | 2016-08-24 | 2018-03-09 | 中冶天工集团有限公司 | Prefabricated assembled pipe joint of utility tunnel |
| CN109024681A (en) * | 2018-09-03 | 2018-12-18 | 江苏金贸科技发展有限公司 | A kind of underground pipe gallery tension rope joint protection box |
| CN208777191U (en) * | 2018-08-30 | 2019-04-23 | 中铁六局集团有限公司 | A kind of armored concrete tube coupling and water supply and sewage culvert pipe |
-
2020
- 2020-03-24 CN CN202010213861.3A patent/CN111305094A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115330A1 (en) * | 2004-11-29 | 2006-06-01 | Terratech Consulting Ltd. | Open bottom box culvert |
| CN103233433A (en) * | 2013-04-27 | 2013-08-07 | 上海市政工程设计研究总院（集团）有限公司 | Urban road pavement rainwater collection and utilization system |
| CN205917610U (en) * | 2016-08-24 | 2017-02-01 | 四川华构住宅工业有限公司 | Prefabricated assembled concrete box culvert |
| CN107780437A (en) * | 2016-08-24 | 2018-03-09 | 中冶天工集团有限公司 | Prefabricated assembled pipe joint of utility tunnel |
| CN208777191U (en) * | 2018-08-30 | 2019-04-23 | 中铁六局集团有限公司 | A kind of armored concrete tube coupling and water supply and sewage culvert pipe |
| CN109024681A (en) * | 2018-09-03 | 2018-12-18 | 江苏金贸科技发展有限公司 | A kind of underground pipe gallery tension rope joint protection box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107313452B (en) | Prefabricated utility tunnel | |
| CN104947714A (en) | End sealing door structure for immersed tube tunnel | |
| CN203755443U (en) | Assembly integrated type overlapping frame structure | |
| CN211849022U (en) | Prefabricated assembled trapezoidal staggered box culvert structure | |
| CN111305094A (en) | Construction method for prefabricated assembly type trapezoidal staggered box culvert structure | |
| CN211849019U (en) | Staggered joint type prefabricated slab culvert unit | |
| CN112359880A (en) | Assembled underground structure seam connection structure | |
| CN111705783A (en) | Prefabricated underground diaphragm wall, sectional joint structure and construction method | |
| CN111305267A (en) | UHPC prefabricated assembled comprehensive pipe gallery flat curve connecting segment structure and construction method | |
| CN114215171B (en) | Assembled structure slurry overflow connection node and construction method thereof | |
| CN212506223U (en) | Prefabricated underground continuous wall and sectional joint structure | |
| CN214497604U (en) | Assembled underground structure seam connection structure | |
| CN209975578U (en) | Prefabricated utility tunnel of three cabin symmetries | |
| CN213173315U (en) | Bridge splicing structure | |
| CN211737147U (en) | Prefabricated piecing and assembling connecting device for tunnel with super-large section | |
| CN210658403U (en) | Prefabricated manger plate bank segment and from wall drainage structures | |
| CN217517654U (en) | Prefabricated horse riding well | |
| CN115059024B (en) | Simply supported box type water conveying and transferring combined structure adopting interlocking connection and construction method | |
| CN218970067U (en) | Prefabricated assembled underground pipe gallery | |
| CN214500393U (en) | Corrugated plate reinforced anti-leakage flange structure | |
| CN214883877U (en) | Prefabricated assembled cable joint well | |
| CN218028309U (en) | Assembled arc concrete shear wall structure | |
| CN215518860U (en) | Two-bin symmetrical prefabricated comprehensive pipe gallery | |
| CN217380573U (en) | Semi-prefabricated tunnel composite lining structure | |
| CN218757592U (en) | Pre-assembled electric power gallery structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200619 |
|
| WW01 | Invention patent application withdrawn after publication |