CN110219415A - A kind of precast slab component and its construction method - Google Patents

A kind of precast slab component and its construction method Download PDF

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Publication number
CN110219415A
CN110219415A CN201910629164.3A CN201910629164A CN110219415A CN 110219415 A CN110219415 A CN 110219415A CN 201910629164 A CN201910629164 A CN 201910629164A CN 110219415 A CN110219415 A CN 110219415A
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CN
China
Prior art keywords
plate
left plate
side plate
precast slab
steel
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Granted
Application number
CN201910629164.3A
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Chinese (zh)
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CN110219415B (en
Inventor
钱增志
方宏伟
武利平
周大兴
张亚齐
温恺
程先坤
王立省
程凯旋
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China Railway Construction Group Co Ltd
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China Railway Construction Group Co Ltd
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Priority to CN201910629164.3A priority Critical patent/CN110219415B/en
Publication of CN110219415A publication Critical patent/CN110219415A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/06Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/1205Small buildings erected in the open air

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses a kind of precast slab component and its construction methods, including left plate, right side plate, coagulation earthen platform, plate muscle, side bar, prefabricated board middle section, central sill, groove, I-steel, concrete casing, reinforced mesh and concrete inner core.The reserved 50mm coagulation earthen platform in the side of left plate and right side plate, convenient for scene splicing, the I-steel and beam being arranged on left plate and right side plate reserve I-steel using anchor bolts, and it is welded, it is attached the precast slab component with two sides Y type beam, and then it is fixed convenient for casting concrete, reinforced mesh is circumferentially positioned between concrete casing and concrete inner core in netted, prevent crack, improve the structural strength of the precast slab component, the overlap joint of reinforcing bar 50% is thrown away in the plate muscle and girder of the connection of the two sides of left plate and right side plate, 50% welding, the lap of splice is not less than 33d, weld length is not less than 10d, enhance the intensity of junction.

Description

A kind of precast slab component and its construction method
Technical field
The present invention relates to a kind of concrete slab component, specially a kind of precast slab component and its construction method belong to 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 slab is the main structure for building awning, and for existing concrete slab, one, 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 and both ends Beam carries out splicing installation, more time-consuming and laborious, seriously affects construction progress, thirdly, existing concrete board constructions intensity it is poor, It is easily broken off, therefore its service life cannot be guaranteed, there are some potential safety problemss.
Summary of the invention
The object of the invention is that providing a kind of precast slab component and its construction to solve the above-mentioned problems Method.
The present invention through the following technical solutions to achieve the above objectives: a kind of precast slab component, including left plate, Right side plate, coagulation earthen platform, plate muscle, side bar, prefabricated board middle section, central sill, groove, I-steel, concrete casing, reinforced mesh and mixed Solidifying soil inner core;The left plate and right side plate constitute the main structure of precast slab component, and the left plate and right side The inner side edge of plate is provided with coagulation earthen platform, and the plate muscle is connected to the two sides of left plate and right side plate, the left plate with Right side plate has side bar, prefabricated board middle section and central sill to constitute, and the side bar is located at the outermost of side plate, the prefabricated board middle section Between side bar and central sill, the central sill is located at the most inner side of side plate, and the groove is provided with left plate and right side plate respectively Side bar and central sill front end, and I-steel is provided in the groove, the concrete casing is wrapped in left plate and right side plate Outermost layer, and one layer of reinforced mesh is attached on the inside of the concrete casing, the concrete inner core is arranged in steel mesh The inside of piece.
Preferably, for the ease of scene splicing, the left plate is symmetrical set with right side plate, and left plate and right side plate The reserved 50mm coagulation earthen platform in side.
Preferably, be fixed for the ease of casting concrete, the I-steel being arranged on the left plate and right side plate with Beam reserves I-steel and uses anchor bolts, and is welded.
Preferably, in order to improve the structural strength of the precast slab component, the reinforced mesh is in netted around setting It sets between concrete casing and concrete inner core.
Preferably, in order to enhance the intensity of junction, the plate muscle of the two sides connection of the left plate and right side plate and master The overlap joint of reinforcing bar 50%, 50% welding are thrown away in beam, the lap of splice is not less than 33d, and weld length is not less than 10d.
A kind of construction method of precast slab component, construction method the following steps are included:
1) support frame is in place, and after support frame is moved on the inside of beam, fix support frame support on the ground ensures to prop up first Then the stability of support adjusts template is adjusted to and absolute altitude parallel with beam bottom consistent, the inspection of hydraulic jack top hydraulic device Look into support frame;
2) after frame to be supported is in place, examination is carried out using pedrail crane and is hung, first slings and stops away from ground 50cm, inspection wirerope, The stress condition of suspension hook keeps component holding horizontal, is then hung to work layer overhead 1m and is off landing, operator guides drop It falls, pays attention to two curb girder of plate, slowly drop on support frame, carry out repetition measurement after the completion, it is ensured that plate absolute altitude is accurate;
3) 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: the precast slab component and its construction method design are rationally, left plate and the right side Side plate is symmetrical set, and the reserved 50mm coagulation earthen platform in the side of left plate and right side plate, convenient for scene splicing, left plate with The I-steel and beam being arranged on right side plate reserve I-steel using anchor bolts, and are welded, and the precast concrete board group is made Part is attached with two sides Y type beam, and then is fixed convenient for casting concrete, and reinforced mesh is circumferentially positioned at coagulation in netted Between native shell and concrete inner core, prevent crack, improve the structural strength of the precast slab component, left plate with The overlap joint of reinforcing bar 50%, 50% welding are thrown away in the plate muscle and girder of the two sides connection of right side plate, the lap of splice is not less than 33d, Weld length is not less than 10d, enhances the intensity of junction.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure;
Fig. 2 is positive structure diagram of the present invention;
Fig. 3 is the schematic diagram of the section structure of the present invention.
In figure: 1, left plate, 2, right side plate, 3, coagulation earthen platform, 4, plate muscle, 5, side bar, 6, prefabricated board middle section, 7, central sill, 8, groove, 9, I-steel, 10, concrete casing, 11, reinforced mesh and 12, 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 slab component, including left plate 1, right side plate 2, coagulation earthen platform 3, plate muscle 4, side bar 5, prefabricated board middle section 6, central sill 7, groove 8, I-steel 9, concrete casing 10, reinforced mesh 11 and concrete inner core 12;The left plate 1 constitutes the main structure of precast slab component, and the left plate 1 and right side plate 2 with right side plate 2 Inner side edge be provided with coagulation earthen platform 3, the plate muscle 4 is connected to the two sides of left plate 1 Yu right side plate 2, the left plate 1 There are side bar 5, prefabricated board middle section 6 and central sill 7 to constitute with right side plate 2, and the side bar 5 is located at the outermost of side plate, it is described pre- Between side bar 5 and central sill 7, the central sill 7 is located at the most inner side of side plate in making sheet middle section 6, and the groove 8 is provided with a left side respectively The side bar 5 of side plate 1 and right side plate 2 and 7 front end of central sill, and I-steel 9 is provided in the groove 8, the concrete casing 10 It is wrapped in the outermost layer of left plate 1 Yu right side plate 2, and the inside of the concrete casing 10 is attached with one layer of reinforced mesh 11, The inside of reinforced mesh 11 is arranged in the concrete inner core 12.
The left plate 1 is symmetrical set with right side plate 2, and the reserved 50mm coagulation in the side of left plate 1 and right side plate 2 Earthen platform 3, convenient for scene splicing, the I-steel 9 and beam being arranged on the left plate 1 and right side plate 2 reserve I-steel using anchor bolt Connection, and is welded, and is attached the precast slab component with two sides Y type beam, so be convenient for casting concrete into Row is fixed, and the reinforced mesh 11 is circumferentially positioned between concrete casing 10 and concrete inner core 12 in netted, is prevented The structural strength of the precast slab component, the plate muscle 4 that the left plate 1 is connect with the two sides of right side plate 2 are improved in crack It is overlapped with reinforcing bar 50% is thrown away in girder, 50% welding, the lap of splice is not less than 33d, and weld length is not less than 10d, and enhancing connects Connect the intensity at place.
A kind of construction method of precast slab component, construction method the following steps are included:
1, support frame is in place, and after support frame is moved on the inside of beam, fix support frame support on the ground ensures to prop up first Then the stability of support adjusts template is adjusted to and absolute altitude parallel with beam bottom consistent, the inspection of hydraulic jack top hydraulic device Look into support frame;
2, after frame to be supported is in place, examination is carried out using pedrail crane and is hung, first slings and stops away from ground 50cm, inspection wirerope, The stress condition of suspension hook keeps component holding horizontal, is then hung to work layer overhead 1m and is off landing, operator guides drop It falls, pays attention to two curb girder of plate, slowly drop on support frame, carry out repetition measurement after the completion, it is ensured that plate absolute altitude is accurate;
3, 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 slab component, it is characterised in that: including left plate (1), right side plate (2), coagulation earthen platform (3), plate Muscle (4), side bar (5), prefabricated board middle section (6), central sill (7), groove (8), I-steel (9), concrete casing (10), reinforced mesh (11) and concrete inner core (12);The left plate (1) and right side plate (2) constitute the main structure of precast slab component, And the inner side edge of the left plate (1) and right side plate (2) is provided with coagulation earthen platform (3), the plate muscle (4) is connected to left plate (1) with the two sides of right side plate (2), the left plate (1) and right side plate (2) have side bar (5), prefabricated board middle section (6) and in Beam (7) is constituted, and the side bar (5) is located at the outermost of side plate, and the prefabricated board middle section (6) is located at side bar (5) and central sill (7) Between, the central sill (7) is located at the most inner side of side plate, and the groove (8) is provided with left plate (1) and right side plate (2) respectively Side bar (5) and central sill (7) front end, and be provided with I-steel (9) in the groove (8), the concrete casing (10) is wrapped in The outermost layer of left plate (1) and right side plate (2), and one layer of reinforced mesh is attached on the inside of the concrete casing (10) (11), inside of concrete inner core (12) setting in reinforced mesh (11).
2. a kind of precast slab component according to claim 1, it is characterised in that: the left plate (1) and right side Plate (2) is symmetrical set, and the reserved 50mm coagulation earthen platform (3) in the side of left plate (1) and right side plate (2).
3. a kind of precast slab component according to claim 1, it is characterised in that: the left plate (1) and right side The I-steel (9) and beam being arranged on plate (2) reserve I-steel using anchor bolts, and are welded.
4. a kind of precast slab component according to claim 1, it is characterised in that: the reinforced mesh (11) is in net Shape is circumferentially positioned between concrete casing (10) and concrete inner core (12).
5. a kind of precast slab component according to claim 1, it is characterised in that: the left plate (1) and right side The overlap joint of reinforcing bar 50%, 50% welding are thrown away in the plate muscle (4) and girder of the two sides connection of plate (2), the lap of splice is not less than 33d, weld length are not less than 10d.
6. a kind of based on a kind of construction method of precast slab component described in claim 1, which is characterized in that it is constructed Method the following steps are included:
1) support frame is in place, and after support frame is moved on the inside of beam, 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 branch Support;
2) after frame to be supported is in place, examination is carried out using pedrail crane and is hung, first slings and stops away from ground 50cm, checks wirerope, suspension hook Stress condition, keep component holding horizontal, be then hung to work layer overhead 1m and be off landing, operator guides landing, infuses Meaning two curb girder of plate, slowly drop on support frame, carries out repetition measurement after the completion, it is ensured that plate absolute altitude is accurate;
3) 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.
CN201910629164.3A 2019-07-12 2019-07-12 Precast concrete board assembly and construction method thereof Active CN110219415B (en)

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CN201910629164.3A CN110219415B (en) 2019-07-12 2019-07-12 Precast concrete board assembly and construction method thereof

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CN110219415B CN110219415B (en) 2023-10-03

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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11210152A (en) * 1998-01-20 1999-08-03 Mitsubishi Chemical Corp Precast concrete wall for mounting exterior panel
CN2522537Y (en) * 2001-09-29 2002-11-27 江苏大学 Modular multifunctional combined platform
CA2404714A1 (en) * 2002-09-27 2004-03-27 Composite Shelters Inc. Shelter construction kit
DE202005002896U1 (en) * 2005-02-23 2005-05-25 Hachenberg, Friedrich, Dipl.-Ing. Roof structure, for a railway station platform, has lateral beams supported on parallel carriers at vertical pillars with a variable configuration for different roof heights
CN101100844A (en) * 2006-07-07 2008-01-09 中铁建工集团有限公司 Method for constructing steel truss over existing railway line and transporting, mounting and positioning bogie
US20120047825A1 (en) * 2010-08-24 2012-03-01 An Ching New Energy Machinery & Equipment Co., Ltd. Support structure made of precast concrete
JP2012072603A (en) * 2010-09-29 2012-04-12 Sekisui Jushi Co Ltd Roof structure
KR20130003241U (en) * 2011-11-24 2013-06-03 현대엘리베이터주식회사 Canopy for subway outside entrance
CN106193434A (en) * 2016-06-30 2016-12-07 合肥光聚财建筑装饰工程有限公司 A kind of building structure lightweight combination type building panel
CN107345438A (en) * 2017-05-17 2017-11-14 西咸新区矩阵实业有限公司 It is a kind of to realize that structure turns over the construction method of the prefabricated assembled awning of eaves based on EPS warming plates
CN109707052A (en) * 2019-02-21 2019-05-03 沈阳建筑大学 Assembled beam and plate connecting node
CN208933841U (en) * 2018-09-28 2019-06-04 中铁上海设计院集团有限公司 A kind of fast spreading platform slab
CN208950303U (en) * 2018-10-17 2019-06-07 中铁五局集团建筑工程有限责任公司 A kind of assembled beam-column node template
CN109854007A (en) * 2019-03-29 2019-06-07 福州大学 The gas station UHPC ceiling construction and its construction method
CN210288869U (en) * 2019-07-12 2020-04-10 中铁建设集团有限公司 Precast concrete board subassembly

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11210152A (en) * 1998-01-20 1999-08-03 Mitsubishi Chemical Corp Precast concrete wall for mounting exterior panel
CN2522537Y (en) * 2001-09-29 2002-11-27 江苏大学 Modular multifunctional combined platform
CA2404714A1 (en) * 2002-09-27 2004-03-27 Composite Shelters Inc. Shelter construction kit
DE202005002896U1 (en) * 2005-02-23 2005-05-25 Hachenberg, Friedrich, Dipl.-Ing. Roof structure, for a railway station platform, has lateral beams supported on parallel carriers at vertical pillars with a variable configuration for different roof heights
CN101100844A (en) * 2006-07-07 2008-01-09 中铁建工集团有限公司 Method for constructing steel truss over existing railway line and transporting, mounting and positioning bogie
US20120047825A1 (en) * 2010-08-24 2012-03-01 An Ching New Energy Machinery & Equipment Co., Ltd. Support structure made of precast concrete
JP2012072603A (en) * 2010-09-29 2012-04-12 Sekisui Jushi Co Ltd Roof structure
KR20130003241U (en) * 2011-11-24 2013-06-03 현대엘리베이터주식회사 Canopy for subway outside entrance
CN106193434A (en) * 2016-06-30 2016-12-07 合肥光聚财建筑装饰工程有限公司 A kind of building structure lightweight combination type building panel
CN107345438A (en) * 2017-05-17 2017-11-14 西咸新区矩阵实业有限公司 It is a kind of to realize that structure turns over the construction method of the prefabricated assembled awning of eaves based on EPS warming plates
CN208933841U (en) * 2018-09-28 2019-06-04 中铁上海设计院集团有限公司 A kind of fast spreading platform slab
CN208950303U (en) * 2018-10-17 2019-06-07 中铁五局集团建筑工程有限责任公司 A kind of assembled beam-column node template
CN109707052A (en) * 2019-02-21 2019-05-03 沈阳建筑大学 Assembled beam and plate connecting node
CN109854007A (en) * 2019-03-29 2019-06-07 福州大学 The gas station UHPC ceiling construction and its construction method
CN210288869U (en) * 2019-07-12 2020-04-10 中铁建设集团有限公司 Precast concrete board subassembly

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