CN110219416A - A kind of precast concrete Y type beam assembly and its construction method - Google Patents
A kind of precast concrete Y type beam assembly and its construction method Download PDFInfo
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- CN110219416A CN110219416A CN201910629177.0A CN201910629177A CN110219416A CN 110219416 A CN110219416 A CN 110219416A CN 201910629177 A CN201910629177 A CN 201910629177A CN 110219416 A CN110219416 A CN 110219416A
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- side beam
- concrete
- steel
- reinforcing bar
- precast concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses main reinforcement, coagulation earthen platform, bolt containing slot, connection through-hole, I-steel, concrete casing, reinforced mesh and concrete inner cores in a kind of precast concrete Y type beam assembly and its construction method, including left side beam, right side beam, intermediate beam, beam.The coagulation earthen platform of the inner side edge of left side beam and right side beam setting is with a thickness of 50mm, spliced convenient for scene, it avoids generating dislocation when connection, left side beam and right side beam are attached by the prefabricated board of I-steel and inside, and it is welded and fixed, it is fixed convenient for casting concrete, the concrete casing being arranged on the outside of left side beam and right side beam is with a thickness of 60mm, and the netted reinforced mesh around setting of additional layer on the inside of concrete casing, prevent crack, improve the structural strength of precast concrete Y type beam assembly, three row's hoisting point positions are provided on left side beam and right side beam, and spacing is less than 2m, convenient for left side beam and right side beam are steadily sling by crane.
Description
Technical field
The present invention relates to a kind of concrete Y type beam assembly, specially a kind of precast concrete Y type beam assembly and its construction party
Method belongs to the concrete structure technique field in Structural Engineering.
Background technique
With the fast development of China Railway High-speed, high-speed rail station occurs like the mushrooms after rain, and middle-size and small-size high-speed rail station is even more
It is in full flourish.It becalms when platform canopy is got on or off the bus as passenger the shed taken shelter from rain, is the essential Important building in high-speed rail station
One of.
Awning construction is general by the way of site operation, i.e., from setting up scaffold, supporting module, assembling reinforcement to coagulation
Soil pours, and most of work is all completed by manually at the construction field (site), not only large labor intensity, and construction site is chaotic,
Construction material consumption is big, and the building waste that scene generates is more, while having a larger impact to the environment of surrounding, and prefabrication and assembly construction
Formula form of construction work, in recent years increasingly by the concern of industry.Its clean and tidy construction site, shorter construction period, batch are raw
The application prospect of production is that site operation mode cannot compare.
Concrete Y type beam is the main structure for building awning, and for existing concrete Y type beam, one is being taken
When building, can not ensure that two sides in symmetrical placement, therefore are easy to cause force unbalance, be easy to topple over, secondly, be not easy to it is interior
The concrete slab of side carries out splicing installation, more time-consuming and laborious, seriously affects construction progress, thirdly, existing concrete Y type beam
Structural strength is poor, is easily broken off, therefore its service life cannot be guaranteed, and there are some potential safety problemss.
Summary of the invention
The object of the invention is that providing a kind of precast concrete Y type beam assembly to solve the above-mentioned problems and its applying
Work method.
The present invention is through the following technical solutions to achieve the above objectives: a kind of precast concrete Y type beam assembly, including left side
Beam, right side beam, intermediate beam, main reinforcement, coagulation earthen platform, bolt containing slot, connection through-hole, I-steel, concrete casing, reinforcing bar in beam
Mesh sheet and concrete inner core；The left side beam, right side beam and intermediate beam constitute the main structure of concrete Y type beam assembly, institute
It states left side beam and right side beam is respectively disposed on the left and right sides of intermediate beam, one end of main reinforcement is respectively fixedly connected on a left side in the beam
The inside of curb girder and right side beam, the other end of main reinforcement is stretched out respectively positioned at the outside of left side beam and right side beam in the beam, described
The inner side edge of left side beam and right side beam is arranged in coagulation earthen platform, and the bolt containing slot is provided with the inside of left side beam and right side beam
Side upper end, and the bottom of the bolt containing slot is provided with connection through-hole, the I-steel be respectively fixedly connected with left side beam with
The side wall both ends of right side beam, the concrete casing are wrapped in the outermost layer of left side beam and right side beam, and the concrete casing
Inside be attached with one layer of reinforced mesh, the inside of reinforced mesh is arranged in the concrete inner core.
Preferably, spliced for the ease of scene, avoid generating dislocation when connection, the left side beam and right side beam are in pair
Claim setting, and the coagulation earthen platform of the inner side edge of left side beam and right side beam setting is with a thickness of 50mm.
Preferably, it is fixed for the ease of casting concrete, the left side beam and right side beam pass through I-steel and inside
Prefabricated board be attached, and be welded and fixed.
Preferably, in order to improve the structural strength of precast concrete Y type beam assembly, on the outside of the left side beam and right side beam
The concrete casing of setting is with a thickness of 60mm, and the netted reinforced mesh around setting of additional layer on the inside of concrete casing.
Preferably, for the ease of steadily being sling left side beam and right side beam by crane, on the left side beam and right side beam
Three row's hoisting point positions are provided with, and spacing is less than 2m.
A kind of construction method of precast concrete Y type beam assembly, construction method the following steps are included:
1) reinforcing bar positions, and after the completion of cast-in-place awning concrete column, deviation reinforcing bar is corrected in surveying setting-out, steel plate review；
2) prefabricated post is installed, and after the completion of reinforcing bar correction, is carried out examination using pedrail crane and is hung, first sling and stop away from ground cm, inspection
The stress condition for looking into wirerope, suspension hook keeps component holding horizontal, is then hung to work layer overhead m and is off landing, operator
Guidance landing, with mirror observe connection reinforcing bar whether counterpart, slowly land, be in the milk after the completion；
3) support frame is in place, and support frame is moved to Liang Xiahou, and fix support frame support on the ground ensures to support first
The stability of frame, then adjusting hydraulic jack top hydraulic device, that template is adjusted to and absolute altitude parallel with beam bottom is consistent, checks
Support frame；
4) precast beam is installed, and after beam frame supported on both sides is in place, is carried out examination using pedrail crane and is hung, first sling and stop away from ground cm
Only, the stress condition for checking wirerope, suspension hook keeps component holding horizontal, is then hung to work layer overhead m and is off landing, grasps
Make personnel guide landing, with mirror observe connection reinforcing bar whether counterpart, slowly land, carry out repetition measurement after the completion, it is ensured that beam absolute altitude
Accurately；
5) I-steel welds, and bar splicing, concreting welded between plate and beam I-steel, between reinforcing bar into
Row overlap joint or welding, carry out concreting after the completion.
The beneficial effects of the present invention are: precast concrete Y type beam assembly and its construction method design rationally, left side beam with
Right side beam is symmetrical set, and the coagulation earthen platform of the inner side edge of left side beam and right side beam setting is with a thickness of 50mm, convenient for scene into
Row splicing avoids generating dislocation when connection, and left side beam and right side beam are attached by the prefabricated board of I-steel and inside, are gone forward side by side
Row is welded and fixed, and is fixed convenient for casting concrete, the concrete casing being arranged on the outside of left side beam and right side beam with a thickness of
60mm, and the netted reinforced mesh around setting of additional layer on the inside of concrete casing, prevent crack, and it is prefabricated mixed to improve this
The structural strength of soil Y type beam assembly is coagulated, three row's hoisting point positions are provided on left side beam and right side beam, and spacing is less than 2m, is convenient for
Left side beam and right side beam are steadily sling by crane.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure；
Fig. 2 is positive structure schematic of the present invention；
Fig. 3 is the schematic diagram of the section structure of the present invention.
In figure: 1, left side beam, 2, right side beam, 3, intermediate beam, 4, main reinforcement in beam, 5, coagulation earthen platform, 6, bolt containing slot, 7,
Connect through-hole, 8, I-steel, 9, concrete casing, 10, reinforced mesh and 11, concrete inner core.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, a kind of precast concrete Y type beam assembly, including in left side beam 1, right side beam 2, intermediate beam 3, beam
Main reinforcement 4, coagulation earthen platform 5, bolt containing slot 6, connection through-hole 7, I-steel 8, concrete casing 9, reinforced mesh 10 and concrete
Inner core 11；The left side beam 1, right side beam 2 and intermediate beam 3 constitute the main structure of concrete Y type beam assembly, the left side beam
1 is respectively disposed on the left and right sides of intermediate beam 3 with right side beam 2, and one end of main reinforcement 4 is respectively fixedly connected in left side beam in the beam
1 with the inside of right side beam 2, the other end of main reinforcement 4 stretches out the outside for being located at left side beam 1 and right side beam 2 respectively in the beam, described
The inner side edge of left side beam 1 and right side beam 2 is arranged in coagulation earthen platform 5, and the bolt containing slot 6 is provided with left side beam 1 and right side beam 2
Inner side edge upper end, and the bottom of the bolt containing slot 6 is provided with connection through-hole 7, and the I-steel 8 is respectively fixedly connected with
The side wall both ends of left side beam 1 and right side beam 2, the concrete casing 9 are wrapped in the outermost layer of left side beam 1 Yu right side beam 2, and institute
The inside for stating concrete casing 9 is attached with one layer of reinforced mesh 10, and the concrete inner core 11 is arranged in reinforced mesh 10
Side.
The left side beam 1 is symmetrical set with right side beam 2, and the concrete of the inner side edge of left side beam 1 and right side beam 2 setting
Platform 5 is spliced with a thickness of 50mm convenient for scene, avoids generating dislocation when connection, the left side beam 1 and right side beam 2 pass through work
Word steel 8 and the prefabricated board of inside are attached, and are welded and fixed, and are fixed convenient for casting concrete, the left side beam 1
With the concrete casing 9 that is arranged on the outside of right side beam 2 with a thickness of 60mm, and 9 inside additional layer of concrete casing is netted around setting
The reinforced mesh 10 set, prevents crack, improves the structural strength of precast concrete Y type beam assembly, 1 He of left side beam
Three row's hoisting point positions are provided on right side beam 2, and spacing is less than 2m, convenient for steadily hanging left side beam 1 and right side beam 2 by crane
It rises.
A kind of construction method of precast concrete Y type beam assembly, construction method the following steps are included:
1, reinforcing bar positions, and after the completion of cast-in-place awning concrete column, deviation reinforcing bar is corrected in surveying setting-out, steel plate review；
2, prefabricated post is installed, and after the completion of reinforcing bar correction, is carried out examination using pedrail crane and is hung, first sling and stop away from ground 50cm,
The stress condition for checking wirerope, suspension hook keeps component holding horizontal, is then hung to work layer overhead 1m and is off landing, operates
Personnel guide landing, with mirror observe connection reinforcing bar whether counterpart, slowly land, be in the milk after the completion；
3, support frame is in place, and support frame is moved to Liang Xiahou, and fix support frame support on the ground ensures to support first
The stability of frame, then adjusting hydraulic jack top hydraulic device, that template is adjusted to and absolute altitude parallel with beam bottom is consistent, checks
Support frame；
4, precast beam is installed, and after beam frame supported on both sides is in place, is carried out examination using pedrail crane and is hung, first sling away from ground 50cm
Stop, checking the stress condition of wirerope, suspension hook, keeps component holding horizontal, be then hung to work layer overhead 1m and be off landing,
Operator guide landing, with mirror observe connection reinforcing bar whether counterpart, slowly land, carry out repetition measurement after the completion, it is ensured that Liang Biao
High precision；
5, I-steel welds, and bar splicing, concreting welded between plate and beam I-steel, between reinforcing bar into
Row overlap joint or welding, carry out concreting after the completion.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of precast concrete Y type beam assembly, it is characterised in that: including left side beam (1), right side beam (2), intermediate beam (3), beam
Interior main reinforcement (4), coagulation earthen platform (5), bolt containing slot (6), connection through-hole (7), I-steel (8), concrete casing (9), reinforcing bar
Mesh sheet (10) and concrete inner core (11)；The left side beam (1), right side beam (2) and intermediate beam (3) constitute concrete Y type beam
The main structure of component, the left side beam (1) and right side beam (2) are respectively disposed on the left and right sides of intermediate beam (3), in the beam
One end of main reinforcement (4) is respectively fixedly connected with the inside in left side beam (1) and right side beam (2), the other end of main reinforcement (4) in the beam
The outside for being located at left side beam (1) and right side beam (2) is stretched out respectively, and the coagulation earthen platform (5) is arranged in left side beam (1) and right side beam
(2) inner side edge, the bolt containing slot (6) are provided with the inner side edge upper end of left side beam (1) and right side beam (2), and the spiral shell
The bottom of bolt resettlement groove (6) is provided with connection through-hole (7), and the I-steel (8) is respectively fixedly connected on left side beam (1) and right side
The side wall both ends of beam (2), the concrete casing (9) are wrapped in the outermost layer of left side beam (1) Yu right side beam (2), and described mixed
One layer of reinforced mesh (10) is attached on the inside of solidifying soil shell (9), the concrete inner core (11) is arranged in reinforced mesh (10)
Inside.
2. a kind of precast concrete Y type beam assembly according to claim 1, it is characterised in that: the left side beam (1) and the right side
Curb girder (2) is symmetrical set, and the coagulation earthen platform (5) of the inner side edge of left side beam (1) and right side beam (2) setting is with a thickness of 50mm.
3. a kind of precast concrete Y type beam assembly according to claim 1, it is characterised in that: the left side beam (1) and the right side
Curb girder (2) is attached by I-steel (8) and the prefabricated board of inside, and is welded and fixed.
4. a kind of precast concrete Y type beam assembly according to claim 1, it is characterised in that: the left side beam (1) and the right side
The concrete casing (9) being arranged on the outside of curb girder (2) is with a thickness of 60mm, and additional layer is netted circular on the inside of concrete casing (9)
The reinforced mesh (10) of setting.
5. a kind of precast concrete Y type beam assembly according to claim 1, it is characterised in that: the left side beam (1) and the right side
Three row's hoisting point positions are provided on curb girder (2), and spacing is less than 2m.
6. a kind of based on a kind of construction method of precast concrete Y type beam assembly described in claim 1, it is characterised in that: its
Construction method the following steps are included:
1) reinforcing bar positions, and after the completion of cast-in-place awning concrete column, deviation reinforcing bar is corrected in surveying setting-out, steel plate review；
2) prefabricated post is installed, and after the completion of reinforcing bar correction, is carried out examination using pedrail crane and is hung, first sling and stop away from ground 50cm, check
The stress condition of wirerope, suspension hook keeps component holding horizontal, is then hung to work layer overhead 1m and is off landing, operator
Guidance landing, with mirror observe connection reinforcing bar whether counterpart, slowly land, be in the milk after the completion；
3) support frame is in place, and support frame is moved to Liang Xiahou, and fix support frame support on the ground ensures support frame first
Stability, then adjusting hydraulic jack top hydraulic device, that template is adjusted to and absolute altitude parallel with beam bottom is consistent, checks support
Frame；
4) precast beam is installed, and after beam frame supported on both sides is in place, is carried out examination using pedrail crane and is hung, first sling and stop away from ground 50cm
Only, the stress condition for checking wirerope, suspension hook keeps component holding horizontal, is then hung to work layer overhead 1m and is off landing, grasps
Make personnel guide landing, with mirror observe connection reinforcing bar whether counterpart, slowly land, carry out repetition measurement after the completion, it is ensured that beam absolute altitude
Accurately；
5) I-steel welds, and bar splicing, concreting is welded between plate and beam I-steel, taken between reinforcing bar
It connects or welds, carry out concreting after the completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629177.0A CN110219416B (en) | 2019-07-12 | 2019-07-12 | Precast concrete Y-shaped beam assembly and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629177.0A CN110219416B (en) | 2019-07-12 | 2019-07-12 | Precast concrete Y-shaped beam assembly and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110219416A true CN110219416A (en) | 2019-09-10 |
| CN110219416B CN110219416B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910629177.0A Active CN110219416B (en) | 2019-07-12 | 2019-07-12 | Precast concrete Y-shaped beam assembly and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809734A (en) * | 2022-05-31 | 2022-07-29 | 中铁建工集团有限公司 | Construction method of assembled platform canopy |
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| DE2360492A1 (en) * | 1973-12-05 | 1975-06-19 | Demuss Gerhard | Hexagonal-plan ceiling structure element - with centre column under independent capital and diagonal cantilever arms |
| JP3130908U (en) * | 2007-02-01 | 2007-04-12 | 株式会社アスカ設計 | Canopy structure for gas station |
| CN103225373A (en) * | 2012-01-29 | 2013-07-31 | 吴淑环 | Roof eaves board |
| CN106988423A (en) * | 2017-04-12 | 2017-07-28 | 中铁工程设计咨询集团有限公司 | A kind of orbit traffic overhead station |
| CN109610630A (en) * | 2018-07-22 | 2019-04-12 | 北京工业大学 | A kind of concrete frame mechanization assembly type balcony |
| CN210288878U (en) * | 2019-07-12 | 2020-04-10 | 中铁建设集团有限公司 | Precast concrete Y type roof beam subassembly |
-
2019
- 2019-07-12 CN CN201910629177.0A patent/CN110219416B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2360492A1 (en) * | 1973-12-05 | 1975-06-19 | Demuss Gerhard | Hexagonal-plan ceiling structure element - with centre column under independent capital and diagonal cantilever arms |
| JP3130908U (en) * | 2007-02-01 | 2007-04-12 | 株式会社アスカ設計 | Canopy structure for gas station |
| CN103225373A (en) * | 2012-01-29 | 2013-07-31 | 吴淑环 | Roof eaves board |
| CN106988423A (en) * | 2017-04-12 | 2017-07-28 | 中铁工程设计咨询集团有限公司 | A kind of orbit traffic overhead station |
| CN109610630A (en) * | 2018-07-22 | 2019-04-12 | 北京工业大学 | A kind of concrete frame mechanization assembly type balcony |
| CN210288878U (en) * | 2019-07-12 | 2020-04-10 | 中铁建设集团有限公司 | Precast concrete Y type roof beam subassembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809734A (en) * | 2022-05-31 | 2022-07-29 | 中铁建工集团有限公司 | Construction method of assembled platform canopy |
| CN114809734B (en) * | 2022-05-31 | 2024-03-29 | 中铁建工集团有限公司 | Construction method of assembled platform canopy |
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| Publication number | Publication date |
|---|---|
| CN110219416B (en) | 2023-09-15 |
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