CN109057147A - Prestressing force assembly concrete beam - Google Patents
Prestressing force assembly concrete beam Download PDFInfo
- Publication number
- CN109057147A CN109057147A CN201811011187.XA CN201811011187A CN109057147A CN 109057147 A CN109057147 A CN 109057147A CN 201811011187 A CN201811011187 A CN 201811011187A CN 109057147 A CN109057147 A CN 109057147A
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- CN
- China
- Prior art keywords
- beam slab
- upper beam
- prestressing force
- slab
- concrete
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- 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.)
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Classifications
-
- 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
- E04C3/26—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 prestressed
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
- E04C5/125—Anchoring devices the tensile members are profiled to ensure the anchorage, e.g. when provided with screw-thread, bulges, corrugations
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
一种预应力装配式混凝土梁，所述混凝土梁包括上梁板和下梁板，所述上梁板底面设有至少一对相邻的定位齿和定位槽，所述下梁板顶面设有至少一对相邻的定位齿和定位槽，所述上梁板和下梁板通过定位齿和定位槽相错位配合定位，且上梁板和下梁板的接触面通过粘结剂固定连接；所述上梁板和下梁板对应地开有若干竖向的预应力孔，预应力孔上设有预应力锚具，预应力锚具用于施加竖向预应力而将上梁板和下梁板固定。本发明无需再浇混凝土，也无需支模，降低生产成本，提高安装速度，降低工人成本，实现梁板的快速施工；而且预制混凝土梁板搭接界面采用齿槽相配合，在满足界面抗剪作用的同时，可大大提升组合体系的整体性能。
A prestressed assembled concrete beam, the concrete beam includes an upper beam slab and a lower beam slab, the bottom surface of the upper beam slab is provided with at least one pair of adjacent positioning teeth and positioning grooves, and the top surface of the lower beam slab is provided with There are at least one pair of adjacent positioning teeth and positioning grooves, the upper beam and the lower beam are positioned through the positioning teeth and the positioning grooves, and the contact surfaces of the upper beam and the lower beam are fixedly connected by adhesive ; The upper beam plate and the lower beam plate are correspondingly provided with some vertical prestressed holes, and the prestressed holes are provided with prestressed anchors, and the prestressed anchorages are used to apply vertical prestress to the upper beam plate and the lower beam plate. The lower sill is fixed. The present invention does not require pouring concrete and formwork, reduces production costs, increases installation speed, reduces labor costs, and realizes rapid construction of beams and slabs; moreover, the overlapping interface of prefabricated concrete beams and slabs is matched with tooth grooves to meet the shear resistance requirements of the interface. At the same time, it can greatly improve the overall performance of the combined system.
Description
Technical field
The present invention relates to precast concrete beam technical fields, and in particular to a kind of prestressing force assembly concrete beam.
Background technique
Fabricated construction (prefabr icated concrete structure) is the letter of prefabricated concrete structure
Claim, is the concrete structure being formed by connecting as main bearing member through assembling using prefabricated components.Precast reinforced concrete structure
It is one of the important directions of China's building structure development, it is conducive to the development of China's building industrialization, improves production efficiency section
The about energy develops Green environmental-protection building, and is conducive to improve and guarantee construction engineering quality.Compared with cast-in-situ construction method,
Prefabricated concrete structure is conducive to green construction, because fabricated construction can more meet saving land, energy conservation, saving for green construction
The requirement such as material, water-saving and environmental protection reduces the negative effect to environment, including reduces noise, prevent fugitive dust, reduce environment dirt
Dye, reduces place interference, saves resources and the energy such as water, electricity, material cleaning transport, it then follows the principle of sustainable development.
The type of attachment of prefabricated concrete structure is many kinds of, and there is no unified at present.By construction method point, can conclude
It is connect and wet connection two major classes for involvement.Not casting concrete when involvement is connected in connection, but steel plate or steel portion are set in component
Part achievees the purpose that connection by live bolt or welding.Wet connection be by materials such as casting concrete, mortars, will be prefabricated
The reserved steel bar of component is anchored with adjacent component.The assembled that the solidifying native prefabricated components of wet connection connect relative to involvement is mixed
Xtah Crude Clay structure has the characteristics that the high hidden danger of uniform force, security performance is few, but wet connection method is mostly mixed by pouring at present
The materials such as solidifying soil, and concrete formation process is more troublesome and pollution can be generated to ambient enviroment, and it is more inconvenient to construct.
Summary of the invention
Present invention aims to overcome that the shortcomings that prior art and deficiency, provide a kind of prestressing force assembly concrete
Beam can be realized industrialized production, and live quick-assembling scene no longer needs to pouring concrete, without formwork, reduce production cost,
Installation speed is improved, worker's cost is reduced, realizes the rapid construction of beam slab.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of prestressing force assembly concrete beam, the beams of concrete include upper beam slab and lower beam slab, the upper beam board bottom
Face is equipped at least a pair of adjacent positioning tooth and locating slot, and the underbeam plate top surface is equipped at least a pair of adjacent positioning tooth and determines
Position slot, the upper beam slab and lower beam slab are by positioning tooth and the cooperation positioning of locating slot sequence, and upper beam slab and lower beam slab connect
Contacting surface is fixedly connected by binder；The upper beam slab and lower beam slab are accordingly provided with several vertical prestress holes, prestressing force
Hole is equipped with prestressed anchor, and prestressed anchor is for applying vertical prestressing and fixing upper beam slab and lower beam slab.
From the foregoing, it will be observed that the present invention is positioned using upper beam slab and lower beam slab by positioning tooth and the cooperation of locating slot sequence, and
The contact surface of upper beam slab and lower beam slab is adhesively fixed using binder, finally using prestressed anchor apply vertical prestressing and
Upper beam slab and lower beam slab are fixed, whole process no longer needs to pouring concrete, without formwork, reduces production cost, improves installation
Speed reduces worker's cost, realizes the rapid construction of beam slab；And precast concrete beam slab overlap joint interface is matched using tooth socket
It closes, while meeting interface shearing-resistance effect, the overall performance of combined system can be greatly promoted；Beam slab and lower beam slab in the present invention
Contact surface be fixedly connected using binder, flatness requirement is lower, it is ensured that stress transmitting uniformly, construct it is more convenient.
As an improvement of the present invention, the cross sectional shape of the beams of concrete is rectangular section or box section.
Further, the cross sectional shape of the positioning tooth and locating slot is trapezoid cross section or square-section.
Further, the binder is epoxy resin.
As an improvement of the present invention, the upper beam plate top surface is equipped with upper counterbore, the lower beam slab at prestress hole
Bottom surface is equipped with lower counterbore at prestress hole, after prestressed anchor is fixed on prestress hole, by upper counterbore and lower counterbore to
Prestressed anchor grouting cement mortar carries out sealing off and covering anchorage and fixes.
Further, the cement slurry is made of cement, superplasticizer and retarding agent, the cement, superplasticizer and retardance
The weight ratio of agent is 100:3:3.
Compared with prior art, the invention has the following advantages that
The present invention no longer needs to pouring concrete, without formwork, reduces production cost, improves installation speed, reduce worker at
This, realizes the rapid construction of beam slab；
And precast concrete beam slab overlap joint interface is matched using tooth socket, and it, can while meeting interface shearing-resistance effect
Greatly promote the overall performance of combined system；
Beam slab is fixedly connected with the contact surface of lower beam slab using binder in the present invention, and flatness requirement is lower, it is ensured that
Uniformly, it is more convenient to construct for stress transmitting；
Prestressed anchor is sealed in prestress hole using cement slurry, prestress hole can prevent the mill of prestressed anchor
Damage, so that prestressed anchor gives full play to its superior tensile property and corrosion resistant ability.
Detailed description of the invention
Fig. 1 is the schematic diagram of prestressing force assembly concrete beam of the present invention；
Fig. 2 is the schematic diagram of beam slab and lower beam slab on prestressing force assembly concrete beam of the present invention.
Appended drawing reference: the upper beam slab of 1-, beam slab under 2-, 3- positioning tooth, 4- locating slot, 5- binder, 6- prestress hole, 7- are pre-
Stress anchorage, the upper counterbore of 8-, 9- lower counterbore, 10- cement slurry.
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 embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
Embodiment
Fig. 1 and Fig. 2, a kind of prestressing force assembly concrete beam are please referred to, the beams of concrete includes upper beam slab 1 and underbeam
Plate 2, upper 1 bottom surface of beam slab are equipped at least a pair of adjacent positioning tooth 3 and locating slot 4, and lower 2 top surface of beam slab is equipped at least
A pair of adjacent positioning tooth 3 and locating slot 4, the upper beam slab 1 and lower beam slab 2 are cooperated by positioning tooth 3 and 4 sequence of locating slot
Positioning, and upper beam slab 1 is fixedly connected with the contact surface of lower beam slab 2 by binder 5；The upper beam slab 1 and lower beam slab 2 are accordingly
Several vertical prestress holes 6 are provided with, prestress hole 6 is equipped with prestressed anchor 7, and prestressed anchor 7 is vertical pre- for applying
Stress and upper beam slab 1 and lower beam slab 2 is fixed.
From the foregoing, it will be observed that the present invention is positioned using upper beam slab and lower beam slab by positioning tooth and the cooperation of locating slot sequence, and
The contact surface of upper beam slab and lower beam slab is adhesively fixed using binder, finally using prestressed anchor apply vertical prestressing and
Upper beam slab and lower beam slab are fixed, whole process no longer needs to pouring concrete, without formwork, reduces production cost, improves installation
Speed reduces worker's cost, realizes the rapid construction of beam slab；And precast concrete beam slab overlap joint interface is matched using tooth socket
It closes, while meeting interface shearing-resistance effect, the overall performance of combined system can be greatly promoted；Beam slab and lower beam slab in the present invention
Contact surface be fixedly connected using binder, flatness requirement is lower, it is ensured that stress transmitting uniformly, construct it is more convenient.
In the present embodiment, the cross sectional shape of the beams of concrete is rectangular section or box section.
In the present embodiment, the cross sectional shape of the positioning tooth 3 and locating slot 4 be trapezoid cross section or square-section, preferably
Ground uses trapezoid cross section, because the positioning tooth and locating slot of trapezoid cross section are easier to assemble positioning.
In the present embodiment, the binder 5 is epoxy resin.
In the present embodiment, 1 top surface of upper beam slab is equipped with upper counterbore 8, lower 2 bottom surface of beam slab at prestress hole 6
Lower counterbore 9 is equipped at prestress hole 6, after prestressed anchor 7 is fixed on prestress hole, by upper counterbore 8 and lower counterbore 9 to
7 grouting cement mortar 10 of prestressed anchor carries out sealing off and covering anchorage and fixes.Prestressed anchor is sealed in prestress hole using cement slurry,
Prestress hole can prevent the abrasion of prestressed anchor, so that prestressed anchor gives full play to its superior tensile property and corrosion resistant
The ability of erosion.
In the present embodiment, the cement slurry 10 is made of cement, superplasticizer and retarding agent, the cement, superplasticizer
Weight ratio with retarding agent is 100:3:3.
The construction technological process of prestressing force assembly concrete beam described above is specific as follows:
Prefabricated upper beam slab and lower beam slab with positioning tooth and locating slot；
Prestress hole is accordingly opened up in upper beam slab and lower beam slab；
The upper beam slab and lower beam slab are transported to construction site, upper beam slab and lower beam slab to position by positioning tooth and locating slot
After cooperation, upper beam slab and lower beam slab are bonded together with epoxy resin；
Prestressed anchor is assemblied in prestress hole；
Prestressed anchor, which applies vertical prestressing, fixes upper beam slab and lower beam slab；
Fixation is irrigated to prestressed anchor using cement slurry.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (6)
1. a kind of prestressing force assembly concrete beam, the beams of concrete includes upper beam slab and lower beam slab, it is characterised in that: described
Upper beam board bottom face is equipped at least a pair of adjacent positioning tooth and locating slot, and the underbeam plate top surface is determined equipped at least a pair of adjacent
Position tooth and locating slot, the upper beam slab and lower beam slab are by positioning tooth and the cooperation positioning of locating slot sequence, and upper beam slab is under
The contact surface of beam slab is fixedly connected by binder；The upper beam slab and lower beam slab are accordingly provided with several vertical prestressing force
Hole, prestress hole is equipped with prestressed anchor, and prestressed anchor consolidates upper beam slab and lower beam slab for applying vertical prestressing
It is fixed.
2. prestressing force assembly concrete beam according to claim 1, it is characterised in that: the section shape of the beams of concrete
Shape is rectangular section or box section.
3. prestressing force assembly concrete beam according to claim 1, it is characterised in that: the positioning tooth and locating slot
Cross sectional shape is trapezoid cross section or square-section.
4. prestressing force assembly concrete beam according to claim 1, it is characterised in that: the binder is asphalt mixtures modified by epoxy resin
Rouge.
5. prestressing force assembly concrete beam according to claim 1, it is characterised in that: the upper beam plate top surface is being answered in advance
Upper counterbore is equipped at power hole, underbeam board bottom face is equipped with lower counterbore at prestress hole, is fixed on pre- answer in prestressed anchor
Behind power hole, sealing off and covering anchorage is carried out to prestressed anchor grouting cement mortar by upper counterbore and lower counterbore and is fixed.
6. prestressing force assembly concrete beam according to claim 5, it is characterised in that: the cement slurry by cement,
Superplasticizer and retarding agent composition, the weight ratio of the cement, superplasticizer and retarding agent are 100:3:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011187.XA CN109057147A (en) | 2018-08-31 | 2018-08-31 | Prestressing force assembly concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011187.XA CN109057147A (en) | 2018-08-31 | 2018-08-31 | Prestressing force assembly concrete beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109057147A true CN109057147A (en) | 2018-12-21 |
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ID=64758128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811011187.XA Pending CN109057147A (en) | 2018-08-31 | 2018-08-31 | Prestressing force assembly concrete beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057147A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173022A (en) * | 2019-12-27 | 2020-05-19 | 绍兴宝城建筑工业化制造有限公司 | Intelligent building PC component |
| CN111903492A (en) * | 2020-08-05 | 2020-11-10 | 和县聂兴圩蔬菜种植有限责任公司 | Interplanting culture device for melons and crops |
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| FR2627526A1 (en) * | 1988-02-19 | 1989-08-25 | Roret Jean | Method for making mixed concrete metal structure - has metal I=beam supporting tensioning members and concrete slab supporting compression member with top covered in at least two zones |
| CN103711330A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Method for using prefabricated reinforced concrete frame to reinforce existing structure through prestressing assembly |
| CN204531571U (en) * | 2015-02-13 | 2015-08-05 | 长沙县协同电力器材有限公司 | The segmented cement electric pole of the pre-buried flange of a kind of cement electric pole and application thereof |
| CN106192764A (en) * | 2016-08-22 | 2016-12-07 | 广东工业大学 | A kind of pre-stress FRP concrete box type girder and production technology |
| CN206016002U (en) * | 2016-08-17 | 2017-03-15 | 沈阳建筑大学 | Assembly concrete beam |
| CN206873663U (en) * | 2017-04-19 | 2018-01-12 | 中铁建设集团有限公司 | The low damage slab-wall structure of full prefabricated PC |
| CN207017144U (en) * | 2017-07-19 | 2018-02-16 | 中铁上海设计院集团有限公司 | A kind of attachment structure for full precast assembly bridge pier |
| CN209129260U (en) * | 2018-08-31 | 2019-07-19 | 广东工业大学 | Prestressed Prefabricated Concrete Beams |
-
2018
- 2018-08-31 CN CN201811011187.XA patent/CN109057147A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2627526A1 (en) * | 1988-02-19 | 1989-08-25 | Roret Jean | Method for making mixed concrete metal structure - has metal I=beam supporting tensioning members and concrete slab supporting compression member with top covered in at least two zones |
| CN103711330A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Method for using prefabricated reinforced concrete frame to reinforce existing structure through prestressing assembly |
| CN204531571U (en) * | 2015-02-13 | 2015-08-05 | 长沙县协同电力器材有限公司 | The segmented cement electric pole of the pre-buried flange of a kind of cement electric pole and application thereof |
| CN206016002U (en) * | 2016-08-17 | 2017-03-15 | 沈阳建筑大学 | Assembly concrete beam |
| CN106192764A (en) * | 2016-08-22 | 2016-12-07 | 广东工业大学 | A kind of pre-stress FRP concrete box type girder and production technology |
| CN206873663U (en) * | 2017-04-19 | 2018-01-12 | 中铁建设集团有限公司 | The low damage slab-wall structure of full prefabricated PC |
| CN207017144U (en) * | 2017-07-19 | 2018-02-16 | 中铁上海设计院集团有限公司 | A kind of attachment structure for full precast assembly bridge pier |
| CN209129260U (en) * | 2018-08-31 | 2019-07-19 | 广东工业大学 | Prestressed Prefabricated Concrete Beams |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173022A (en) * | 2019-12-27 | 2020-05-19 | 绍兴宝城建筑工业化制造有限公司 | Intelligent building PC component |
| CN111903492A (en) * | 2020-08-05 | 2020-11-10 | 和县聂兴圩蔬菜种植有限责任公司 | Interplanting culture device for melons and crops |
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Application publication date: 20181221 |