CN106869386A - A kind of recycled concrete superposed beam of high-strength construction waste and its construction method - Google Patents
A kind of recycled concrete superposed beam of high-strength construction waste and its construction method Download PDFInfo
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- CN106869386A CN106869386A CN201710093298.9A CN201710093298A CN106869386A CN 106869386 A CN106869386 A CN 106869386A CN 201710093298 A CN201710093298 A CN 201710093298A CN 106869386 A CN106869386 A CN 106869386A
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- concave groove
- concrete
- regenerated aggregate
- aggregate concrete
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 239000002699 waste material Substances 0.000 title claims abstract description 31
- 238000011069 regeneration method Methods 0.000 claims abstract description 39
- 230000008929 regeneration Effects 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 210000003205 muscle Anatomy 0.000 claims abstract description 17
- 238000013461 design Methods 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000009736 wetting Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The present invention discloses a kind of recycled concrete superposed beam of high-strength construction waste and its construction method, and the recycled concrete superposed beam beam body of high-strength construction waste includes：The high-strength prefabricated concave groove of regenerated aggregate concrete, the cast-in-place regeneration monolith being filled in the prefabricated concave groove dead slot of high-strength regenerated aggregate concrete, stirrup, the base plate steel nail in some vertical muscle of high-strength construction waste regenerated aggregate concrete composite beam and along the vertically disposed some closures of concave groove length direction set along beam length direction.Integral manufacturing of the present invention is convenient, high financial profit, base plate steel nail design can make cementing tightr between the prefabricated concave groove of high-strength regenerated aggregate concrete and cast-in-place regeneration monolith, the globality of raising beam, and effectively improve the bearing capacity of structure and improve its deformation performance, increase the ductility of component.Suitable for heavy duty, industrial premises, skyscraper and it is big across etc. girder construction.
Description
Technical field
Technical field of civil engineering of the present invention, and in particular to a kind of construction refuse regenerated monolith is used as filling material
The recycled concrete superposed beam of high-strength construction waste of material.
Background technology
The useless commerical ready-mixed concrete amount that Building Trade in China removes discharge after rebuilding is huge, not only brings serious environment and society
Meeting problem, occupies the land resource of growing tension in urban construction, also increases the production cost of building products.In face of increasingly
Severe environments pollution, the land supply being becoming tight day and increasingly exhaust mineral resources the problems such as, carry out building waste synthesis
Using very urgent.Discarded concrete in building waste is manufactured the structure in building structure after broken as regenerated aggregate
Part, can solve the problems, such as that natural aggregate resource is nervous, realize the regeneration of concrete and recycle, and realize sustainable development
Exhibition.
The construction development of current domestic city high-rise building is swift and violent, and fabricated construction has been widely used for high-rise building
In structure.High-strength recycled concrete superposed beam involved in the present invention combines conventional steel bar concrete technology maturation and China
The big advantage of the two of building waste amount, with low cost, construction is simple, and the duration is shorter, is conducive to preferably preserving the ecological environment,
The many merits such as beautify the environment.The composite beam sets shaped steel, preferably improves overall performance, stress performance and the application property of beam
Can, with low cost, construction is simple, and the duration is shorter, and many merits such as be conducive to preferably preserving the ecological environment.And the present invention is used
The cast-in-place thought in partial precast part, is suitable for different project situation demands, makes its mechanical property and globality no less than even
More than conventional steel bar concrete beam.
The content of the invention
It is that a kind of energy-conserving and environment-protective are provided, overall performance is good, and on the recycled concrete superposed beam of high-strength construction waste overcomes
State prior art shortcoming.The present invention provides a kind of recycled concrete superposed beam of high-strength construction waste and preparation method.Beam body is used
Bar material and regeneration concrete material, using half cast-in-place half prefabricated construction technology, with convenient, function admirable of constructing, into
The characteristics of this is cheap.
In order to solve the above problems and realizing above-mentioned requirements, the present invention takes following technical solution：It is a kind of high-strength
Construction refuse regenerated concrete composite beam, it is characterised in that：By the prefabricated concave groove of high-strength regenerated aggregate concrete, be filled in it is high-strength
Cast-in-place regeneration monolith in the prefabricated concave groove dead slot of regenerated aggregate concrete, along beam length direction set in high-strength regeneration
If some vertical muscle of aggregate concrete composite beam and vertically disposed along the prefabricated concave groove length direction of high-strength regenerated aggregate concrete
The stirrup of dry closure, base plate steel nail composition；The length and width of the high-strength prefabricated concave groove of regenerated aggregate concrete and foundation practice of construction high
It is required that selecting appropriate size, general deck-siding is preferably wide with post identical, can reduce sectional dimension, then improves floor clear height empty
Between.
The high-strength prefabricated concave groove dead slot internal diameter d of regenerated aggregate concrete is more than 50cm.
The prefabricated concave groove skeleton of high-strength construction waste regeneration concrete is along the prefabricated concave groove of high-strength regenerated aggregate concrete
Beam length direction sets vertical muscle and along the vertically disposed stirrup of concave groove length direction, and base plate steel nail is set in base plate, high-strength to ensure
The prefabricated concave groove of regenerated aggregate concrete and regeneration monolith are effectively bonded, and improve the bearing capacity on composition surface.
It is filled in the cast-in-place regeneration monolith and new coagulation of the dead slot of the prefabricated concave groove of high-strength regenerated aggregate concrete
The weight ratio of soil is 2:1-4:Between 1.
5th, a kind of construction method of the recycled concrete superposed beam of high-strength construction waste, step is as follows：
（1）Constructed on wall column according to design requirement, and reserve construction joint, construction joint is high with the top mark of precast beam identical；
（2）In producting factory, using instruments such as rubber mandrels, completion is arranged at high-strength construction waste regeneration concrete concave groove groove
The blanking of the parts such as some vertical muscle, the stirrup along the vertically disposed some closures of concave groove length direction, base plate steel nail long, indulges muscle
Welding is mutually perpendicular to and between stirrup and regenerated aggregate concrete is poured, be made the prefabricated concave groove of high-strength regenerated aggregate concrete, and
It is pre-buried in advance to lift crotch well；
（3）After the prefabricated concave groove maintenance hardening of high-strength regenerated aggregate concrete reaches design strength, transport to job site will
The high-strength prefabricated concave groove lifting of regenerated aggregate concrete is placed in cylinder top；
（4）Regeneration concrete block will fully be watered wetting in advance, by regeneration monolith and novel concrete weight when pouring
Amount compares 2:1-4:1 is invested in the prefabricated concave groove of high-strength regenerated aggregate concrete, fully vibrates, is compacted；
（5）In the high-strength regenerated aggregate concrete cast-in-place regenerated aggregate concrete top board of prefabricated concave groove over top.
Novelty of the invention：1. the present invention is suitable for steel and the mixed structure of concrete, factorial praluction, intensity
High, corrosion-resistant, excellent in durability, it is convenient to construct.2. the prefabricated concave groove bottom land of high-strength regenerated aggregate concrete carries steel nail, is pouring
When building regeneration monolith, the prefabricated concave groove of high-strength regenerated aggregate concrete and concrete interface cohesive force can be increased, significantly
Ultimate bearing capacity, deformability and the ductility of component are improved, prefabricated concave groove is effectively prevented with regeneration monolith interface
Come to nothing, more preferable stability can be kept, it is ensured that the intensity of structure.3. construction refuse regenerated concrete is selected, it is mixed compared to common
Solidifying soil, advantage good with green, energy-conservation, high-strength light and durability, cost-effective.4th, prefabricated regenerated aggregate concrete is recessed
Type groove can play a part of to save template, and fire resistance is more cast-in-place in high-strength regeneration using monolith material is regenerated than common
In the prefabricated concave groove dead slot of aggregate concrete, broken, screening, purification when regeneration concrete is recycled etc. are enormously simplify
Reason process, saves a large amount of manpowers, time and the energy, and the efficient circulation for being capable of achieving building waste is utilized.In addition, from block
Body concrete, it is possible to achieve the globality of well-formed.Greatly improve the intensity of the beam body.5. what patent of the present invention was used is prefabricated
Mounting technology is compared with traditional handicraft, simplifies construction technology and difficulty of construction, can be given full play to and effectively be lifted traditional beam
The significant advantage of the aspects such as stress performance, endurance quality, fire resistance and economic performance, is widely portable to large span, heavy burden
Carry or complicated, irregular skyscraper and high-rise building.
Brief description of the drawings
Fig. 1 is a kind of high-strength prefabricated concave groove schematic perspective view of regenerated aggregate concrete.
Fig. 2 is a kind of recycled concrete superposed beam section figure of high-strength construction waste.
Fig. 3 is a kind of high-strength prefabricated concave groove sectional view of regenerated aggregate concrete.
In figure：1-vertical muscle；2-stirrup；3-base plate steel nail；4-regenerated aggregate concrete；5-regeneration block coagulation
Soil.
Specific embodiment
With reference to Figure of description, the present invention will be further described.
As Figure 1-3, a kind of recycled concrete superposed beam of high-strength construction waste described in the embodiment of the present invention, by Regenerated Bone
Expect concrete prefabricated concave groove, the cast-in-place regeneration block coagulation being filled in the prefabricated concave groove dead slot of high-strength regenerated aggregate concrete
Native 5, along the in some vertical muscle 1 of high-strength regenerated aggregate concrete composite beam and vertical along concave groove length direction of beam length direction setting
The stirrup 2 of some closures for setting, base plate steel nail 3 are constituted..The recycled concrete superposed beam entirety of high-strength construction waste of the invention
Convenient, high financial profit is made, the high-strength prefabricated concave groove of regenerated aggregate concrete can effectively improve the bearing capacity of structure and change
It is apt to its deformation performance, increases the ductility of component.The design of base plate steel nail 3 can make the prefabricated concave groove of high-strength regenerated aggregate concrete with
It is cementing tightr between cast-in-place regeneration monolith, improve the globality of composite beam, it is adaptable to heavy duty, industrial premises, high level
Building is with big across the girder construction for waiting.
Embodiment 1:
1. constructed on wall column according to design requirement, and reserve construction joint, construction joint is high with the top mark of precast beam identical.
2nd, in producting factory, using instruments such as rubber mandrels, it is recycled concrete superposed that completion is arranged at high-strength construction waste
Under the parts such as some vertical muscle 1 of beam beam length, the stirrup 2 along the vertically disposed some closures of concave groove length direction, base plate steel nail 3
Material, vertical welding and the regenerated aggregate concrete 4 of being mutually perpendicular between muscle 1 and stirrup 2 is poured, and is made high-strength regenerated aggregate concrete prefabricated
Concave groove, and pre-buried in advance lift crotch well.The high-strength prefabricated concave groove dead slot internal diameter d of regenerated aggregate concrete is more than 50cm.
3rd, after the prefabricated concave groove maintenance hardening of high-strength regenerated aggregate concrete reaches design strength, transport is existing to constructing
, the prefabricated concave groove lifting of high-strength regenerated aggregate concrete is placed in cylinder top using crotch is lifted.
4th, regeneration concrete block 5 fully will be watered wetting in advance, it is prefabricated in high-strength regenerated aggregate concrete when pouring
The regeneration concrete block 5 of pre-wetting is delivered in concave groove dead slot, novel concrete is added, by regeneration monolith with it is new
Weight concrete compares 2:1 delivers, while fully vibrated with vibrating spear, be compacted, until be filled inside dead slot, it is mixed in regeneration aggregate
Coagulate the native prefabricated cast-in-place regenerated aggregate concrete top board of concave groove over top.
5th, maintenance obtains the recycled concrete superposed beam of high-strength construction waste to hardening after it solidifies.Then complete overall
Pour.
Embodiment 2:
1. constructed on wall column according to design requirement, and reserve construction joint, construction joint is high with the top mark of precast beam identical.
2nd, in producting factory, using instruments such as rubber mandrels, it is recycled concrete superposed that completion is arranged at high-strength construction waste
Under the parts such as some vertical muscle 1 of beam beam length, the stirrup 2 along the vertically disposed some closures of concave groove length direction, base plate steel nail 3
Material, vertical welding and the regenerated aggregate concrete 4 of being mutually perpendicular between muscle 1 and stirrup 2 is poured, and is made high-strength regenerated aggregate concrete prefabricated
Concave groove, and pre-buried in advance lift crotch well.The high-strength prefabricated concave groove dead slot internal diameter d of regenerated aggregate concrete is more than 50cm.
3rd, after the prefabricated concave groove maintenance hardening of high-strength regenerated aggregate concrete reaches design strength, transport is existing to constructing
, the prefabricated concave groove lifting of high-strength regenerated aggregate concrete is placed in cylinder top using crotch is lifted.
4th, regeneration concrete block 5 fully will be watered wetting in advance, it is prefabricated in high-strength regenerated aggregate concrete when pouring
The regeneration concrete block 5 of pre-wetting is delivered in concave groove dead slot, novel concrete is added, by regeneration monolith with it is new
Weight concrete compares 3:1 delivers, while fully vibrated with vibrating spear, be compacted, until be filled inside dead slot, it is mixed in regeneration aggregate
Coagulate the native prefabricated cast-in-place regenerated aggregate concrete top board of concave groove over top.
5th, maintenance obtains the recycled concrete superposed beam of high-strength construction waste to hardening after it solidifies.Then complete overall
Pour.
Embodiment 3:
1. constructed on wall column according to design requirement, and reserve construction joint, construction joint is high with the top mark of precast beam identical.
2nd, in producting factory, using instruments such as rubber mandrels, it is recycled concrete superposed that completion is arranged at high-strength construction waste
Under the parts such as some vertical muscle 1 of beam beam length, the stirrup 2 along the vertically disposed some closures of concave groove length direction, base plate steel nail 3
Material, vertical welding and the regenerated aggregate concrete 4 of being mutually perpendicular between muscle and stirrup is poured, and is made high-strength regenerated aggregate concrete prefabricated recessed
Type groove, and pre-buried in advance lift crotch well.The high-strength prefabricated concave groove dead slot internal diameter d of regenerated aggregate concrete is more than 50cm.
3rd, after the prefabricated concave groove maintenance hardening of high-strength regenerated aggregate concrete reaches design strength, transport is existing to constructing
, the prefabricated concave groove lifting of high-strength regenerated aggregate concrete is placed in cylinder top using crotch is lifted.
4th, regeneration concrete block 5 fully will be watered wetting in advance, it is prefabricated in high-strength regenerated aggregate concrete when pouring
The regeneration concrete block 5 of pre-wetting is delivered in concave groove dead slot, novel concrete is added, by regeneration monolith with it is new
Weight concrete compares 4:1 delivers, while fully vibrated with vibrating spear, be compacted, until be filled inside dead slot, it is mixed in regeneration aggregate
Coagulate the native prefabricated cast-in-place regenerated aggregate concrete top board of concave groove over top.
5th, maintenance obtains the recycled concrete superposed beam of high-strength construction waste to hardening after it solidifies.Then complete overall
Pour.
In specific embodiment, the recycled concrete superposed beam of high-strength construction waste various can be suitable to apply for circular, square etc.
The shape of work.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within the scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (5)
1. the recycled concrete superposed beam of a kind of high-strength construction waste, it is characterised in that：It is prefabricated recessed by high-strength regenerated aggregate concrete
Type groove, the cast-in-place regeneration monolith being filled in the prefabricated concave groove dead slot of high-strength regenerated aggregate concrete, along beam length direction
Set in some vertical muscle of high-strength regenerated aggregate concrete composite beam and along the prefabricated matrix flute length of high-strength regenerated aggregate concrete
The stirrup of the vertically disposed some closures in direction, base plate steel nail composition；The length and width of the high-strength prefabricated concave groove of regenerated aggregate concrete
Appropriate size is selected according to practice of construction requirement with high, general deck-siding is preferably wide with post identical.
2. the recycled concrete superposed beam of a kind of high-strength construction waste according to claim 1, it is characterised in that：High-strength regeneration
The prefabricated concave groove dead slot internal diameter d of aggregate concrete is more than 50cm.
3. a kind of recycled concrete superposed beam of high-strength construction waste according to claim 1, it is characterised in that high-strength building
The concrete prefabricated concave groove skeleton of garbage regeneration is to set vertical muscle along the prefabricated concave groove beam length direction of high-strength regenerated aggregate concrete
With along the vertically disposed stirrup of concave groove length direction, base plate steel nail is set in base plate, it is ensured that high-strength regenerated aggregate concrete is prefabricated
Concave groove and regeneration monolith are effectively bonded.
4. the recycled concrete superposed beam of a kind of high-strength construction waste according to claim 1, it is characterised in that be filled in height
The cast-in-place regeneration monolith of the dead slot of the prefabricated concave groove of strong regenerated aggregate concrete is with the weight ratio of novel concrete 2:1-
4:Between 1.
5. a kind of construction method of the recycled concrete superposed beam of high-strength construction waste according to claim 1, its feature exists
In step is as follows：
（1）Constructed on wall column according to design requirement, and reserve construction joint, construction joint is high with the top mark of precast beam identical；
（2）In producting factory, using instruments such as rubber mandrels, completion is arranged at high-strength construction waste regeneration concrete concave groove groove
The blanking of the parts such as some vertical muscle, the stirrup along the vertically disposed some closures of concave groove length direction, base plate steel nail long, indulges muscle
Welding is mutually perpendicular to and between stirrup and regenerated aggregate concrete is poured, be made the prefabricated concave groove of high-strength regenerated aggregate concrete, and
It is pre-buried in advance to lift crotch well；
（3）After the prefabricated concave groove maintenance hardening of high-strength regenerated aggregate concrete reaches design strength, transport to job site will
The high-strength prefabricated concave groove lifting of regenerated aggregate concrete is placed in cylinder top；
（4）Regeneration concrete block will fully be watered wetting in advance, by regeneration monolith and novel concrete weight when pouring
Amount compares 2:1-4:1 is invested in the prefabricated concave groove of high-strength regenerated aggregate concrete, fully vibrates, is compacted；
（5）In the high-strength regenerated aggregate concrete cast-in-place regenerated aggregate concrete top board of prefabricated concave groove over top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093298.9A CN106869386A (en) | 2017-02-21 | 2017-02-21 | A kind of recycled concrete superposed beam of high-strength construction waste and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093298.9A CN106869386A (en) | 2017-02-21 | 2017-02-21 | A kind of recycled concrete superposed beam of high-strength construction waste and its construction method |
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| Publication Number | Publication Date |
|---|---|
| CN106869386A true CN106869386A (en) | 2017-06-20 |
Family
ID=59167316
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710093298.9A Pending CN106869386A (en) | 2017-02-21 | 2017-02-21 | A kind of recycled concrete superposed beam of high-strength construction waste and its construction method |
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| CN (1) | CN106869386A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296129A (en) * | 2018-10-29 | 2019-02-01 | 南通龙哲混凝土制品有限公司 | A kind of precast beam and its construction method |
| CN110080461A (en) * | 2019-06-06 | 2019-08-02 | 广东工业大学 | A kind of prestressing force regeneration concrete empty stomach composite beam |
| CN111421644A (en) * | 2020-04-13 | 2020-07-17 | 中国矿业大学 | Application of waste concrete block stone in concrete structure construction and mould device |
| CN111485716A (en) * | 2020-04-13 | 2020-08-04 | 中国矿业大学 | Application of waste concrete large aggregate in concrete structure construction |
| CN114934632A (en) * | 2022-05-24 | 2022-08-23 | 华南理工大学 | Partially prefabricated U-shaped steel-wrapped recycled block concrete beam and construction method thereof |
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| CN110080461A (en) * | 2019-06-06 | 2019-08-02 | 广东工业大学 | A kind of prestressing force regeneration concrete empty stomach composite beam |
| CN111421644A (en) * | 2020-04-13 | 2020-07-17 | 中国矿业大学 | Application of waste concrete block stone in concrete structure construction and mould device |
| CN111485716A (en) * | 2020-04-13 | 2020-08-04 | 中国矿业大学 | Application of waste concrete large aggregate in concrete structure construction |
| CN114934632A (en) * | 2022-05-24 | 2022-08-23 | 华南理工大学 | Partially prefabricated U-shaped steel-wrapped recycled block concrete beam and construction method thereof |
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Application publication date: 20170620 |
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