CN114457696A - Cantilever irrigation construction continuous beam anti-falling beam and temporary pier structure and construction method thereof - Google Patents
Cantilever irrigation construction continuous beam anti-falling beam and temporary pier structure and construction method thereof Download PDFInfo
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- CN114457696A CN114457696A CN202210230557.9A CN202210230557A CN114457696A CN 114457696 A CN114457696 A CN 114457696A CN 202210230557 A CN202210230557 A CN 202210230557A CN 114457696 A CN114457696 A CN 114457696A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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Abstract
The invention relates to a continuous beam anti-falling beam and temporary pier structure for cantilever irrigation construction and a construction method thereof, belonging to the technical field of bridge engineering, and comprising a continuous beam No. 0 block, an anti-falling beam and temporary pier, a continuous beam main pier and a main pier top cap; the main pier top cap is poured on the main pier of the continuous beam; the continuous beam No. 0 block is supported on the top cap of the main pier, and the anti-falling beam and temporary pier is arranged between the top cap of the main pier and the continuous beam No. 0 block; the bottom of the anti-falling beam and temporary pier is provided with a sulfur cement mortar layer suspension grouting construction continuous beam anti-falling beam and temporary pier structure and further comprises an I-shaped steel transverse anti-falling beam; the transverse H-shaped steel anti-falling beam is arranged on the top cap of the main pier and beside the anti-falling beam and the temporary pier. Four anti-falling beam and temporary piers are arranged and are respectively arranged on the front side and the rear side of the two supporting cushion stones; the invention can simultaneously meet the beam falling prevention measures and the temporary piers under the condition of the minimum size, is safe and economical, and has the characteristics of simple structure, convenient construction, high construction efficiency, convenient maintenance during operation and low cost.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to a continuous beam anti-falling and temporary pier structure for cantilever irrigation construction and a construction method thereof.
Background
The bridge in the high-intensity earthquake area needs to be considered to be provided with an earthquake-resistant construction measure, the anti-falling beam device is a simple and effective earthquake-resistant construction measure, the continuous beam in the suspension irrigation construction needs to be temporarily solidified during construction, the continuous beam in the suspension irrigation construction in the high-intensity earthquake area faces the problem that the anti-falling beam and the temporary pier need to be arranged, no matter whether the anti-falling beam or the temporary pier beam is constructed, due to the fact that the continuous beam is intensively arranged between a main pier top cap and a continuous beam No. 0 block, the pier top and the continuous beam bottom need to be increased in structure size so as to provide installation space, the temporary pier only plays a supporting role for the continuous beam No. 0 block in the construction process, the bridge needs to be dismantled after construction is completed, and meanwhile due to the existence of the temporary pier, the limited space of the main pier top of the continuous beam needs to be occupied.
Disclosure of Invention
In order to overcome the problems in the background art, the invention provides a continuous beam anti-falling beam and temporary pier structure for cantilever irrigation construction and a construction method thereof, which can simultaneously meet anti-falling beam measures and temporary piers under the condition of minimum size, are safe and economical, and have the advantages of simple structure, convenient construction and high construction efficiency.
In order to achieve the purpose, the invention provides a continuous beam anti-falling beam and temporary pier structure for cantilever irrigation construction and a construction method thereof.
The invention is realized by the following technical scheme:
the continuous beam anti-falling beam and temporary pier structure for the cantilever irrigation construction comprises a continuous beam No. 0 block, an anti-falling beam and temporary pier, a continuous beam main pier and a main pier top cap; the main pier top cap is poured on the main pier of the continuous beam; the continuous beam No. 0 block is supported on the top cap of the main pier, and the anti-falling beam and temporary pier is arranged between the top cap of the main pier and the continuous beam No. 0 block; and a sulfur cement mortar layer is arranged at the bottom of the anti-falling beam and temporary pier.
Furthermore, the continuous beam anti-falling beam and temporary pier structure for the cantilever irrigation construction further comprises an I-shaped steel transverse anti-falling beam; the transverse anti-falling beam of the I-steel is arranged on the top cap of the main pier and beside the anti-falling beam and the temporary pier.
Furthermore, the left side and the right side of the upper end surface of the top cap of the main pier are respectively provided with a support cushion stone; the four anti-falling beams and the four temporary piers are arranged on the front side and the rear side of the two supporting cushion stones respectively.
Furthermore, the anti-falling beam and temporary pier is of a cast-in-place reinforced concrete structure, the distance from the longitudinal direction to the edge of the supporting cushion stone is 15cm, and the distance from the transverse direction to the anti-falling beam and temporary pier is 12 cm.
Furthermore, a permanent support is arranged between the continuous beam No. 0 block and the main pier top cap.
The construction method of the anti-falling beam and temporary pier adopting the cast-in-place reinforced concrete structure is mainly characterized in that: in the construction stage, the continuous beam No. 0 block is temporarily solidified with the top cap of the main pier, and after the construction is finished, the sulfur cement mortar layer is burnt off, so that the anti-falling beam and the temporary pier are converted into the anti-falling beam.
The invention has the beneficial effects that:
according to the structure and the construction method, the No. 0 section of the continuous beam is temporarily consolidated with the top cap of the main pier in the construction stage, after the construction is completed, the sulfur cement mortar layer is burnt off, and the anti-falling beam and temporary pier is converted into the anti-falling beam.
The transverse H-shaped steel anti-falling beam is arranged above the top cap of the main pier and beside the anti-falling beam and the temporary pier, so that the transverse H-shaped steel anti-falling beam plays a role in preventing the continuous beam from falling transversely.
The anti-falling beam and temporary pier is of a reinforced concrete structure, the anti-falling beam and temporary pier plays a role of temporarily solidifying the pier in the construction process, the anti-falling beam and temporary pier is provided with the sinterable sulfur cement mortar layer, the anti-falling beam and temporary pier does not need to be dismantled after the construction is finished, and the anti-falling beam and temporary pier is converted into the anti-falling beam. Two functions are realized by one structure, the construction space between the continuous beam No. 0 block and the main pier top cap is saved, the construction flow is simplified, the construction efficiency is improved, the construction cost is saved, and the maintenance is convenient and low after the project construction is completed.
Drawings
FIG. 1 is an elevational view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a plan view of the present invention;
FIG. 4 is a longitudinal cross-sectional view of the present invention;
in the figure, 1-anti-falling beam and temporary pier, 2-supporting cushion stone, 3-I-steel transverse anti-falling beam, 4-continuous beam No. 0 block, 5-continuous beam main pier, 6-main pier top cap, 7-permanent support, 8-I-steel transverse anti-falling beam embedded part and 9-sulphur cement mortar layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below to facilitate understanding of the skilled person.
Example 1
A beam falling prevention measure and temporary pier structure of a cantilever irrigation construction continuous beam comprises a continuous beam No. 0 block 4, a beam falling prevention and temporary pier 1, a continuous beam main pier 5, a main pier top cap 6 and an I-shaped steel transverse beam falling prevention 3. The main pier top cap 6 is poured on the continuous beam main pier 5; the continuous beam No. 0 block 4 is arranged on the main pier top cap 6, and the anti-falling beam and temporary pier 1 is arranged between the main pier top cap 6 and the continuous beam No. 0 block 4. And a 5 cm-thick sulfur cement mortar layer 9 is arranged at a position 65cm away from the bottom of the beam falling prevention and temporary pier 1. The left side and the right side (in the direction of the attached figure 2) of the upper end surface of the main pier top cap 6 are respectively provided with a support cushion stone 2; the four anti-falling beam and temporary piers 1 are respectively arranged at the front side and the rear side of the two support cushion stones 2 (in the direction of the attached drawing 2) so as to play a role in longitudinally limiting the continuous beam.
The anti-falling beam and temporary pier 1 is of a cast-in-place reinforced concrete structure, the transverse width is 1.15m, the longitudinal width is 0.9m, the distance from the longitudinal direction to the edge of the supporting cushion stone 2 is 15cm, the distance from the transverse direction to the transverse I-shaped steel anti-falling beam 3 is 12cm, and the arrangement of the distance effectively ensures the extension and retraction of the continuous beam body under the normal work.
Example 2
A construction method of a beam falling prevention measure and temporary pier device for a continuous beam in cantilever irrigation construction comprises the following steps:
(1) the construction method comprises the following steps of constructing a continuous beam main pier 5, pre-embedding an I-shaped steel transverse anti-falling beam embedded part 8 and a permanent support embedded part in a main pier top cap 6, pre-embedding a beam falling prevention measure and temporary pier steel bars, and pouring the main pier top cap 6.
(2) The method comprises the following steps of embedding a bracket and a bolt of a No. 0 continuous beam block, installing a permanent support 7, pouring an anti-falling beam measure and temporary pier 1, erecting and prepressing a No. 0 continuous beam block towing bracket, paving a No. 0 continuous beam block bottom die, and pouring No. 0 continuous beam block concrete by a side die; concrete maintenance, stretching longitudinal, transverse and vertical prestressed tendons, grouting and anchoring, formwork removal and construction of other continuous beam suspension grouting sections
(3) And (3) completing construction of the cantilever grouting section, closing the side span and the middle span, burning off a 5cm sulfur cement mortar layer 9 arranged at a position 65cm away from the bottom of the anti-falling beam and temporary pier 1, cutting off reinforcing steel bars in the sulfur cement mortar layer 9, and converting the anti-falling beam and temporary pier 1 from the temporary pier into the anti-falling beam to complete system conversion.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a hang and irritate construction continuous beam and prevent falling roof beam and hold interim mound structure which characterized in that: the device comprises a continuous beam No. 0 block (4), an anti-falling beam and temporary pier (1), a continuous beam main pier (5) and a main pier top cap (6); the main pier top cap (6) is poured on the continuous beam main pier (5); the continuous beam No. 0 block (4) is supported on a main pier top cap (6), and the anti-falling beam and temporary pier (1) is arranged between the main pier top cap (6) and the continuous beam No. 0 block (4); the anti-falling beam and temporary pier (1) is provided with a sulfur cement mortar layer (9).
2. The structure of claim 1, wherein the structure of the anti-drop beam and the temporary pier of the continuous beam for the cantilever irrigation construction is characterized in that: the transverse anti-falling beam (3) of the I-steel is also included; the transverse anti-falling beam (3) of the I-steel is arranged on the top cap (6) of the main pier and beside the anti-falling beam and the temporary pier (1).
3. The structure of the cantilever irrigation construction continuous beam for preventing the beam falling off and the temporary pier as claimed in claim 1 or 2, wherein: the left side and the right side of the upper end surface of the main pier top cap (6) are respectively provided with a support cushion stone (2); the four anti-falling beam and temporary piers (1) are arranged on the front side and the rear side of the two supporting cushion stones (2).
4. The structure of claim 3, wherein the structure of the anti-drop beam and the temporary pier of the continuous beam for the cantilever irrigation construction is characterized in that: the anti-falling beam and temporary pier (1) is of a cast-in-place reinforced concrete structure, the distance from the longitudinal direction to the edge of the supporting cushion stone (2) is 15cm, and the distance from the transverse direction to the anti-falling beam and temporary pier (1) is 12 cm.
5. The structure of claim 3, wherein the structure of the anti-drop beam and the temporary pier of the continuous beam for the cantilever irrigation construction is characterized in that: a permanent support (7) is arranged between the continuous beam No. 0 block (4) and the main pier top cap (6).
6. The construction method of a drop beam and temporary pier structure of a continuous beam for cantilever irrigation construction as claimed in any one of claims 1 to 5, wherein: in the construction stage, the continuous beam No. 0 block (4) is temporarily solidified with the main pier top cap (6), after construction is completed, the sulfur cement mortar layer (9) is burnt off, steel bars in the sulfur cement mortar layer (9) are cut off, and the anti-falling beam and temporary pier (1) is converted into the anti-falling beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230557.9A CN114457696B (en) | 2022-03-09 | 2022-03-09 | Continuous beam falling prevention and temporary pier structure for suspension irrigation construction and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230557.9A CN114457696B (en) | 2022-03-09 | 2022-03-09 | Continuous beam falling prevention and temporary pier structure for suspension irrigation construction and construction method thereof |
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| Publication Number | Publication Date |
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| CN114457696A true CN114457696A (en) | 2022-05-10 |
| CN114457696B CN114457696B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210230557.9A Active CN114457696B (en) | 2022-03-09 | 2022-03-09 | Continuous beam falling prevention and temporary pier structure for suspension irrigation construction and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8522381B1 (en) * | 2010-09-07 | 2013-09-03 | OCCI, Inc. | System and method for bridge pier replacement |
| CN206902534U (en) * | 2017-06-16 | 2018-01-19 | 中铁第四勘察设计院集团有限公司 | A kind of anti-fall girder construction of bridge |
| CN109056547A (en) * | 2018-09-14 | 2018-12-21 | 宁波交通工程建设集团有限公司 | Continuous beam bridge pier temporary consolidation structure and construction method |
| CN215052239U (en) * | 2021-02-26 | 2021-12-07 | 新疆铁道勘察设计院有限公司 | Device for temporarily solidifying bridge pier and beam body |
| CN215366782U (en) * | 2021-01-13 | 2021-12-31 | 安徽省交通控股集团有限公司 | Steel-concrete composite beam structure with anti-seismic and anti-falling beam and limiting functions |
-
2022
- 2022-03-09 CN CN202210230557.9A patent/CN114457696B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8522381B1 (en) * | 2010-09-07 | 2013-09-03 | OCCI, Inc. | System and method for bridge pier replacement |
| CN206902534U (en) * | 2017-06-16 | 2018-01-19 | 中铁第四勘察设计院集团有限公司 | A kind of anti-fall girder construction of bridge |
| CN109056547A (en) * | 2018-09-14 | 2018-12-21 | 宁波交通工程建设集团有限公司 | Continuous beam bridge pier temporary consolidation structure and construction method |
| CN215366782U (en) * | 2021-01-13 | 2021-12-31 | 安徽省交通控股集团有限公司 | Steel-concrete composite beam structure with anti-seismic and anti-falling beam and limiting functions |
| CN215052239U (en) * | 2021-02-26 | 2021-12-07 | 新疆铁道勘察设计院有限公司 | Device for temporarily solidifying bridge pier and beam body |
Non-Patent Citations (1)
| Title |
|---|
| 沈霖源: "西来特大桥连续梁施工技术", 北方交通 * |
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