CN105421780B - A kind of construction method of prefabricated concrete structure - Google Patents
A kind of construction method of prefabricated concrete structure Download PDFInfo
- Publication number
- CN105421780B CN105421780B CN201510702353.0A CN201510702353A CN105421780B CN 105421780 B CN105421780 B CN 105421780B CN 201510702353 A CN201510702353 A CN 201510702353A CN 105421780 B CN105421780 B CN 105421780B
- Authority
- CN
- China
- Prior art keywords
- composite beam
- profiled sheet
- concrete structure
- construction method
- prefabricated concrete
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- 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
- E04G21/14—Conveying or assembling building elements
Abstract
The present invention provides a kind of construction methods of prefabricated concrete structure, belong to technical field of fixed buildings.The construction method that it solves existing concrete structure can not meet the technical problems such as efficient and intensity requirement simultaneously.The construction method of this prefabricated concrete structure includes the following steps：A, composite beam and profiled sheet are prepared；B, composite beam is installed；C, profiled sheet is installed；D, assembling reinforcement and e, concrete construction.The present invention has the concrete structure integral strength obtained after the completion in construction high, and the advantages of can greatly save the construction time in building-site, improve construction efficiency.
Description
Technical field
The invention belongs to technical field of fixed buildings, are related to a kind of construction method of prefabricated concrete structure.
Background technology
In modern architecture, cast-in-place monoblock type is the earliest form of concrete structure, and mould is first carried out before casting concrete
Plate is built, and is being laid with pipeline and reinforcing bar, is being carried out pouring for concrete again after the completion, there is construction periods for the form of construction work
It is long, produce industrialization relatively difficult to achieve, the deficiencies of circulation material is more, construction cost is high.
With the prefabricated concrete structure that the development of building construction technology is come into being, i.e., crossbeam and floor are first in work
Prepared by factory completes, and only carries out pouring for pillar in building site, then lift crossbeam and floor to pillar by way of lifting, should
Although mode efficiency is higher, its globality is weaker, poor seismic behavior, it is high to lifting requirements the problems such as.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of prefabricated concrete structure
Construction method, present invention solves the technical problem that being that can improve construction efficiency in the case where ensureing integral strength.
Object of the invention can be realized by the following technical scheme：
A kind of construction method of prefabricated concrete structure, which is characterized in that include the following steps：
A, composite beam and profiled sheet are prepared：It is poured on mold according to required size to obtain composite beam in advance in factory,
Profiled sheet is obtained according to required size through the stamping process in factory；
B, composite beam is installed：Composite beam is transported to building site, is lifted composite beam on cast-in-place column and to hanging by crane
The position of composite beam is corrected after dress, it is to be corrected after the completion of by junction steel plate by the embedded iron parts on cast-in-place column and composite beam
It is welded and fixed；
C, profiled sheet is installed：Profiled sheet is transported to building site, is lifted profiled sheet to adjacent two by crane
So that adjacent profiled sheet, is connected by the slit opening alignment of adjacent profiled sheet by binding clasp on composite beam；
D, assembling reinforcement：Reinforcing bar is laid between composite beam and on profiled sheet；
E, concrete construction：Cleaning composite beam and profiled sheet and holding moistening of watering, then casting concrete and using shaking
Dynamic device vibration compacting, conserves concrete after having poured concrete.
It has poured profiled sheet and the concrete poured on it after concrete and has formed compoboard；By first by composite beam and
Profiled sheet is prefabricated inside factory, can save material cost and cost of labor, and cost is relatively low and environmental protection and energy saving；Prefabricated is folded
It closes beam and profiled sheet is accurately installed successively, the construction time in building-site can be greatlyd save, to improve construction efficiency；
Composite beam and profiled sheet form monolithic concrete structure, the concrete obtained by the construction method after completion concreting
Structure integral strength is high, industrialization degree is high and overall economic efficiency is notable；Overlapping that is self-contained in factory, therefore pouring
Beam is reliable and stable, thus can guarantee the integral strength after the completion of pouring.
In the construction method of above-mentioned prefabricated concrete structure, unwrapping wire is measured between step a and step b, it will
Composite beam and cement mortar, the loosening sundries such as concrete and iron rust on cast-in-place column are cleaned out；It is measured on cast-in-place column with spirit level
Mouth absolute altitude, not equal to adjacent cast-in-place column absolute altitude suitable for reading is adjusted correction；With total powerstation in cast-in-place column mark center line suitable for reading；
Center line is marked by way of snap the line at the both ends of composite beam to be lifted.Above-mentioned operation is that installation composite beam carries out abundant standard
It is standby so that installation composite beam when can efficiently, accurately position composite beam, to improve construction efficiency.
In the construction method of above-mentioned prefabricated concrete structure, in step b, when correcting composite beam position, when folded
The site error of conjunction beam slightly stirs composite beam by crowbar when smaller and is allowed to be aligned；When the site error of composite beam is larger,
Composite beam is lifted again by crane to be corrected.Effectively composite beam can be installed in place by this method, be also avoided that
Composite beam is damaged, ensures the integral strength of concrete structure.
In the construction method of above-mentioned prefabricated concrete structure, unwrapping wire is measured between step b and step c, first
The cement mortar overlapped on top surface of the beam, the loosening sundries such as concrete and iron rust are cleaned out, then pass through snap the line on composite beam
Mode marks the position line of profiled sheet lay, and in lifting, profiled sheet is put according to the position line.The process is installation
Profiled sheet carries out adequate preparation so that installation profiled sheet when can efficiently, accurately position profiled sheet, to improve construction
Efficiency.
In the construction method of above-mentioned prefabricated concrete structure, in step c, the end of profiled sheet is on composite beam
The lap of splice at least more than 50mm.The support strength for ensureing profiled sheet, to ensure the integral strength of concrete structure.
In the construction method of above-mentioned prefabricated concrete structure, in step c, soft hoist cable or steel wire are used when lifting
Rope lifting profiled sheet, and add rubber in the corner of profiled sheet.The step plays protection profiled sheet, avoids profiled sheet
There is deformation, to ensure the integral strength of concrete structure.
In the construction method of above-mentioned prefabricated concrete structure, after completing step c, using cement mortar by profiled sheet
Slit opening and composite beam between the port that is formed block.The step is avoided that in casting concrete spillage occur.
In the construction method of above-mentioned prefabricated concrete structure, pipe laying, root are carried out between step c and step d
According to design drawing in the precalculated position trepanning and cutting of profiled sheet, then tapping and cut place laying wire in profiled sheet
Pipeline either water pipe or air pipeline.Trepanning and cutting use plasma cutting machine, avoid making profiled sheet overlay coating
At destruction；Raceway for wiring, water pipe and air pipeline are embedded in profiled sheet, avoid pipeline exposed.
Compared with prior art, the construction method of this prefabricated concrete structure has the coagulation obtained after the completion in construction
Soil structure integral strength is high, and the advantages of can greatly save the construction time in building-site, improve construction efficiency.
Description of the drawings
Fig. 1 is the construction procedure flow chart in specific implementation mode.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
The present embodiment is as shown in Figure 1, the construction method of prefabricated concrete structure includes the following steps：A, composite beam is prepared
And profiled sheet；B, composite beam is installed；C, profiled sheet is installed；D, assembling reinforcement and e, concrete construction, specifically：
In step a, pour on mold according to required size to obtain composite beam in advance in factory, composite beam be divided into girder and
Secondary beam.Profiled sheet is obtained according to required size through the stamping process in factory.
Unwrapping wire is measured before carrying out step b, by cement mortar, loosening concrete and the iron on composite beam and cast-in-place column
The sundries such as rust are cleaned out；Cast-in-place column absolute altitude suitable for reading is measured with spirit level, is adjusted to what adjacent cast-in-place column absolute altitude suitable for reading did not waited
Whole correction；With total powerstation in cast-in-place column mark center line suitable for reading, label is performed；Pass through snap the line at the both ends of composite beam to be lifted
Mode mark center line.
In step b, composite beam is transported to building site, composite beam is lifted to cast-in-place column by crane, first hangs girder
It is filled on cast-in-place column, then secondary beam is accurately lifted to girder, girder is longitudinally arranged, and secondary beam is horizontal line arrangement；Lifting
The position of composite beam is corrected afterwards, when correcting composite beam position, passes through crowbar when the site error of composite beam is smaller
Slightly composite beam is stirred to be allowed to be aligned；When the site error of composite beam is larger, lifts composite beam again by crane and carry out school
Just.The embedded iron parts on cast-in-place column and composite beam are welded and fixed by junction steel plate after the completion of to be corrected.
Unwrapping wire is measured before carrying out step c, first by cement mortar, loosening concrete and the iron on the top surface of composite beam
The sundries such as rust are cleaned out, then mark the position line of profiled sheet lay by way of snap the line on composite beam, in lifting
Profiled sheet is put according to the position line.
In step c, profiled sheet is transported to building site, is lifted profiled sheet to adjacent two composite beams by crane
So that the slit opening alignment of adjacent profiled sheet, lifts profiled sheet when lifting, and pressing using soft hoist cable or steel wire rope
The corner of shape steel plate adds rubber, the lap of splice of the end of profiled sheet on composite beam at least more than 50mm, preferably,
The lap of splice of the end of profiled sheet on composite beam can be 55mm, 60mm or 70mm etc.；It will be adjacent by binding clasp
Profiled sheet is connected, while being sealed the port formed between the slit opening and composite beam of profiled sheet using cement mortar
It is stifled.
Pipe laying is carried out after completing step c, according to design drawing using plasma cutting machine in the pre- of profiled sheet
Trepanning and cutting are set in positioning, then in tapping and cut place laying wire pipeline either water pipe or the ventilation duct of profiled sheet
Road.
In step d, reinforcing bar is laid between composite beam and on profiled sheet；The reinforcing bar of laying is divided into upper layer and lower layer, under
Layer reinforcing bar is located in the groove of profiled sheet, and top bars are located at the top of profiled sheet, and top bars spacing is uniformly bound, on
The crotch of layer reinforcing bar is stretched into downwards in the groove of profiled sheet.
In step e, composite beam and profiled sheet are cleaned and holding moistening of watering, then casting concrete and shaken using vibrator
Puddling is real, is conserved to concrete after having poured concrete.
It has poured profiled sheet and the concrete poured on it after concrete and has formed compoboard；By first by composite beam and
Profiled sheet is prefabricated inside factory, can save material cost and cost of labor, and cost is relatively low and environmental protection and energy saving；Prefabricated is folded
It closes beam and profiled sheet is accurately installed successively, the construction time in building-site can be greatlyd save, to improve construction efficiency；
Composite beam and profiled sheet form monolithic concrete structure, the concrete obtained by the construction method after completion concreting
Structure integral strength is high, industrialization degree is high and overall economic efficiency is notable；Overlapping that is self-contained in factory, therefore pouring
Beam is reliable and stable, thus can guarantee the integral strength after the completion of pouring.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of construction method of prefabricated concrete structure, which is characterized in that include the following steps：
A, composite beam and profiled sheet are prepared：It is poured on mold according to required size to obtain composite beam in advance in factory, in work
Factory obtains profiled sheet through the stamping process according to required size；
B, composite beam is installed：Composite beam is transported to building site, composite beam is divided into girder and secondary beam, by crane first by main cable and girder
It is accurately lifted to girder on cast-in-place column, then by secondary beam, girder is longitudinally arranged, and secondary beam is lateral arrangement, and to hanging
The position of composite beam is corrected after dress, it is to be corrected after the completion of by junction steel plate by the embedded iron parts on cast-in-place column and composite beam
It is welded and fixed；
C, profiled sheet is installed：Profiled sheet is transported to building site, profiled sheet is lifted to adjacent two by crane and is overlapped
So that adjacent profiled sheet, is connected by the slit opening alignment of adjacent profiled sheet by binding clasp on beam；
D, assembling reinforcement：Reinforcing bar is laid between composite beam and on profiled sheet；
E, concrete construction：Cleaning composite beam and profiled sheet and water holding moistening, then casting concrete and use vibrator
Vibration compacting conserves concrete after having poured concrete.
2. the construction method of prefabricated concrete structure according to claim 1, which is characterized in that step a and step b it
Between measure unwrapping wire, by composite beam and cast-in-place column cement mortar, loosen concrete and iron rust and clean out；It is surveyed with spirit level
Fixed cast-in-place column absolute altitude suitable for reading is adjusted correction to what adjacent cast-in-place column absolute altitude suitable for reading did not waited；It is suitable for reading in cast-in-place column with total powerstation
Indicate center line；Center line is marked by way of snap the line at the both ends of composite beam to be lifted.
3. the construction method of prefabricated concrete structure according to claim 1 or 2, which is characterized in that in step b,
When correcting composite beam position, when the site error of composite beam is smaller slightly stirring composite beam by crowbar is allowed to be aligned；When folded
When the site error of conjunction beam is larger, lifts composite beam again by crane and be corrected.
4. the construction method of prefabricated concrete structure according to claim 1, which is characterized in that step b and step c it
Between measure unwrapping wire, first by the cement mortar overlapped on top surface of the beam, loosen concrete and iron rust and clean out, then on composite beam
The position line that profiled sheet lay is marked by way of snap the line, in lifting, profiled sheet is put according to the position line.
5. the construction method of prefabricated concrete structure according to claim 1 or 4, which is characterized in that in step c, pressure
The lap of splice of the end of shape steel plate on composite beam is at least more than 50mm.
6. the construction method of prefabricated concrete structure according to claim 1 or 4, which is characterized in that in step c, hang
Profiled sheet is lifted using soft hoist cable or steel wire rope when dress, and adds rubber in the corner of profiled sheet.
7. the construction method of prefabricated concrete structure according to claim 1, which is characterized in that after completing step c, adopt
The port formed between the slit opening and composite beam of profiled sheet is blocked with cement mortar.
8. the construction method of prefabricated concrete structure according to claim 1, which is characterized in that step c and step d it
Between carry out pipe laying, according to design drawing in the precalculated position trepanning and cutting of profiled sheet, then the trepanning in profiled sheet
Place and cut place laying wire pipeline either water pipe or air pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702353.0A CN105421780B (en) | 2015-10-26 | 2015-10-26 | A kind of construction method of prefabricated concrete structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702353.0A CN105421780B (en) | 2015-10-26 | 2015-10-26 | A kind of construction method of prefabricated concrete structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105421780A CN105421780A (en) | 2016-03-23 |
| CN105421780B true CN105421780B (en) | 2018-08-17 |
Family
ID=55500285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510702353.0A Active CN105421780B (en) | 2015-10-26 | 2015-10-26 | A kind of construction method of prefabricated concrete structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105421780B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193623B (en) * | 2016-07-29 | 2018-05-08 | 刘祥锦 | A kind of prefabricated concrete structure construction method |
| TWI687042B (en) * | 2019-06-11 | 2020-03-01 | 李青枬 | Supporting construction method of solar module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189625Y (en) * | 1993-12-15 | 1995-02-15 | 曹凤兰 | Preformed frame component of hollow ferro-concrete |
| CN2390933Y (en) * | 1999-06-04 | 2000-08-09 | 同济大学 | Square steel pipe concrete beam and column jointing gusset |
| CN1263971A (en) * | 2000-02-24 | 2000-08-23 | 施民 | Technology for building house with centrifugal structural concrete members and frames without brick walls |
| CN101113604A (en) * | 2007-06-22 | 2008-01-30 | 东南大学 | Full-prefabricated assembled concrete frame construction |
| KR101767677B1 (en) * | 2010-12-27 | 2017-08-11 | 주식회사 포스코 | Compisite column structure for steel and concrete |
-
2015
- 2015-10-26 CN CN201510702353.0A patent/CN105421780B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105421780A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101781879B (en) | Construction method of single-pylon cable-stayed bridge without dorsal cables | |
| CN106869172A (en) | In-situ deposited prefabricated split-mounting type subway underground station construction method | |
| CN107297810A (en) | A kind of making of precast wall body component and installation method | |
| CN109025268A (en) | Kitchen and toilet concrete flanging construction method | |
| CN109518864A (en) | A kind of inversion steel bar girder concrete folding plate and its construction method | |
| CN204983662U (en) | To drawing screw rod and steel pipe framed bent combination unilateral formwork device | |
| CN206667459U (en) | A kind of pre-splicing Standard formula building of prefabrication type reinforced concrete shear wall | |
| CN110080454A (en) | LPM light filling body Construction of Cast-in-situ Concrete Hollow | |
| CN109914644A (en) | A kind of assembled heat insulation masonry wall and preparation method thereof | |
| CN109707052A (en) | Assembled beam and plate connecting node | |
| CN105421780B (en) | A kind of construction method of prefabricated concrete structure | |
| CN104975614A (en) | Structural steel combined unilateral formwork reinforcement construction method | |
| CN207176731U (en) | A kind of prefabricated concrete pipe gallery support | |
| CN207944339U (en) | A kind of prefabricated superposed type anti-collision wall for urban viaduct | |
| CN207633546U (en) | Toilet concrete sealing prefabricated components | |
| CN106284653A (en) | The construction method that a kind of balcony construct capital interspaces in advance | |
| CN210263131U (en) | Assembled is from stagnant water underground pipe gallery structure | |
| CN210713517U (en) | Assembled superposed beam structure | |
| CN207177027U (en) | One kind is inverted steel bar girder concrete folding plate | |
| CN204690801U (en) | Formwork erecting structure is hung in basement roof ater-casting | |
| CN209456992U (en) | Low damage unilateral formwork supporting structure under campshed support system | |
| CN208717952U (en) | A kind of reserved passage construction device of basement post-pouring zone | |
| CN110847466A (en) | Splicing and reinforcing construction method for prefabricated laminated slab | |
| CN203668894U (en) | Concrete prefabricated form structure allowing rapid installation | |
| CN203603462U (en) | Post-cast strip beam plate formwork supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |