Prefabricated post concreting method in a kind of assembled architecture
Technical field
The present invention relates to prefabricated post concreting methods in a kind of assembled architecture, belong to assembled architecture technology neck
Domain.
Background technology
China proposes that greatly develop assembled architecture pushes industry restructuring upgrading, to greatly developing assembled architecture
With steel construction key area, the following assembled architecture accounting new building target, give priority to city and defined.
Assembled architecture feature is exactly the building being assembled at the construction field (site) using prefabricated component.This building it is excellent
Point is short time limit, efficient, saves labour and construction quality can be improved.
Wherein the component of assembled architecture can realize the production of industrialization in the place other than precasting yard, construction site,
The component of production quantization is equivalent to finished product, and quality is more guaranteed than construction site production, can more be controlled effectively, and
And transport to construction site and can directly be installed, it may be said that is not only convenient, but also quick.
When practical prefabricated place produces, often find that prefabricated post finished appearance and quality are undesirable, for prefabricated
The final product quality of column, difficult point are the concrete vibrating after pouring.After shaft binding stirrup has propped up template, the big steel corbel of shaft
Flange plate is wide, causes the space that concrete flows smaller, concreting and vibrates not in place, shaft entirety verticality occurs
Deviation is larger, muscle, voids and pits etc. are leaked in part.Generally processing method is cumbersome not only increases additional renewal expense, Er Qiexu
Certain construction period is wanted, and can not ensure former prefabricated post strength grade of concrete.
Invention content
It is an object of the invention to overcome the common fault generated under traditional casting method, the present invention to provide prefabricated post in concrete
Novel construction method is used in casting process, and prefabricated post finished appearance and quality can be made to be controlled better, ensure that prefabricated post
Pour rear final product quality and mass production efficiency.
To realize the above technical purpose, the technical scheme is that:Prefabricated post concrete pours in a kind of assembled architecture
Building method, which is characterized in that include the following steps:
Step 1 is laid with prefabricated place:Gravel in precasting yard is spread, and is compacted using road roller, prefabricated levelling of the land is made to ram
It is real, ensure that surface subsidence is stablized in prefabricated components;
Step 2:Set up scaffold:In precasting yard ground, the scaffold for placing prefabricated post is built using steel pipe, in foot hand
Rebasing template of the pad below prefabricated post is laid on frame;
Step 3 binds prefabricated post:Prefabricated post is placed on scaffold, and formula is wound to prefabricated post using reinforcing bar and is tied up
It pricks;
Step 4 reinforces prefabricated post:Side template is loaded onto in prefabricated post side, several are arranged above prefabricated post and is mutually parallel
For reinforcing the flitch of side template, several flitches are vertical with side template to be fixed, then using M12 above prefabricated post
The vertical steel pipe of screw rod and scaffold is spirally connected, for tightening two side template spacing;
Step 5 settings, which are overflow, starches seam:It opens up to overflow on the side template of the prefabricated post side and starches seam, and the slurry seam that overflows is positioned at prefabricated
Below the column steel corbel and contact position of side template;
Step 6 casting concretes:In prefabricated post between two side templates carry out concrete cast, while be inserted into vibrator into
Row vibrates;
Step 7 receives light and levelling:After concreting, light, levelling should be received in time to casting surface, make its surface light
It is sliding;
Step 8 insulated curings:According to local weather temperature, modeling film or nonwoven are covered to concrete surface, and poured
Water curing;
Step 9 form removals:After prefabricated post reaches strength of mould stripping, the protrusion interface extra to prefabricated post carries out artificial reject and repaiies
It mends, removes flitch, screw rod, side template and rebasing template.
Further, the prefabricated post steel corbel is I-shaped steelframe, when installing side template, in I-shaped steelframe transverse direction
On side template below web can advance reservation overflow slurry seam, the length of the transversal web of excessive slurry seam length and the prefabricated post steel corbel
Degree is suitable, and width is 3cm ~ 5cm.
Further, in the step 6, in pouring process of vibrating, when to be sewed with cement mortar excessive for the slurry that overflows, and concrete
No longer sink and surface stop vibrating when there is laitance pouring, then tapped with hand hammer check pour it is whether full, pour it is full after,
It carries out manually filling in again before concrete initial set and smash, finally carry out pressurization closure with flitch.
Further, in the step 9, when form removal, which must not should be noted that, destroys prefabricated post corner, should in time will be naked after dismounting
The concrete covering water seasoning to expose outside, is both needed to template surface cement mortar, iron nail etc. is clear before each dismounting is used in turn
Clean and brushing interleaving agent is managed, to there is the template of damage to be updated in time, to carry out next group element precast use.
Further, in the step 1, the thickness for being laid with gravel is 190mm ~ 210mm.
Further, in the step 2, the height of the scaffold building is 380mm ~ 420mm.
Further, the spacing between the side template of prefabricated post both sides is 280mm ~ 320mm.
Further, after reinforcing prefabricated post, above prefabricated post, two root long lines is drawn along prefabricated post length direction, are used for
Whether the installation of rectifying inspection side template is bent.
Further, during concrete maintaining, at generally no less than 7 days on concrete water seasoning date, retardation setting type is mixed
Additive has the concrete water seasoning date of seepage resistance demand that must not be less than 14 days.
Compared with prior art, the present invention has the following advantages:
1)Due to the setting for the slurry seam that overflows so that on the one hand prefabricated post can play in concreting process and exclude air
On the other hand effect facilitates the concreting situation for checking the node, be sewed with outside cement mortar when pouring the slurry that overflows in process of vibrating
Overflow, illustrate to pour it is full, effectively prevent due to pour it is not in place caused by part leak muscle, voids and pits the phenomenon that;
2)The present invention reinforces prefabricated post using side template, flitch, while being carried out using M12 screw rods tightening side form plate spacing
It reinforces, prevents dilatancy after casting concrete, prefabricated post finished appearance and quality is made to be controlled better and ensure.
Description of the drawings
Fig. 1 is schematic cross-sectional view of the present invention along steel corbel.
Fig. 2 is a left side of Fig. 1(It is right)Depending on structural schematic diagram.
Reference sign:1-prefabricated place;2-scaffolds;3-prefabricated posts;4-side templates;5-rebasing templates;
6-flitches;7-screw rods;8-, which overflow, starches seam;9-prefabricated post steel corbels.
Specific implementation mode
With reference to specific drawings and examples, the invention will be further described.
According to Fig. 1 and Fig. 2, prefabricated post concreting method in a kind of assembled architecture, which is characterized in that including
Following steps:
Step 1 is laid with prefabricated place 1:It is about 200mm gravels to spread thickness in prefabricated place 1, and uses 18t road roller pressings
It is real, make the 1 smooth compacting of prefabricated place, ensures that surface subsidence is stablized in prefabricated components;
Step 2:Set up scaffold 2:On prefabricated place 1, the scaffold 2 for placing prefabricated post 3, institute are built using steel pipe
It is about 400mm to state the height that scaffold 2 is set up, and rebasing template 5 of the pad below prefabricated post 3 is laid on scaffold 2;
Step 3 binds prefabricated post 3:Prefabricated post 3 is placed on scaffold 2, and prefabricated post 3 is wound using reinforcing bar
Formula is bound;Reinforcing bar used must have material product certificate, reinforcing bar rank, grade of steel, diameter to have to comply with design and code requirement,
Reinforcing bar should have before use reviews report, and rebar surface must not have crackle, greasy dirt and sheet rust etc. always;
Step 4 reinforces prefabricated post 3:Side template 4, side template 4 and the pad of 3 both sides of the prefabricated post are loaded onto in 3 side of prefabricated post
End template 5 is fixed, and several flitches 6 for reinforcing side template 4 being mutually parallel are arranged above prefabricated post 3, described several
Root flitch 6 is vertical with side template 4 fixed, and the vertical steel pipe spiral shell of M12 screw rods 7 and scaffold 2 is then used above prefabricated post 3
It connects, for tightening two side templates, 4 spacing, 300mm is spaced about between the side template 4 of 3 both sides of prefabricated post;
After reinforcing prefabricated post 3, above prefabricated post 3, two root long lines is drawn along 3 length direction of prefabricated post, are used for rectifying inspection side
Whether the installation of template 4 is bent, and prevents the prefabricated component after pouring not straight;
Step 5 settings, which are overflow, starches seam 8:The slurry seam 8 that overflows is opened up on the side template 4 of 3 side of the prefabricated post, and the slurry seam 8 that overflows is located at
The contact position of prefabricated post steel corbel 9 lower section and side template 4;
The prefabricated post steel corbel 9 is I-shaped steelframe, when installing side template 4, below I-shaped steelframe transversal web
On side template 4 can advance reservation overflow slurry seam 8, it is described it is excessive slurry seam 8 length and the transversal web of prefabricated post steel corbel 9 length phase
When width is 3cm ~ 5cm, and on the one hand the setting for the slurry seam 8 that overflows can be played the role of excluding air, on the other hand facilitate inspection should
The concreting situation of node, guarantee pour full;
Step 6 casting concretes:Concrete cast is carried out in prefabricated post 3 between two side templates 4, while being inserted into vibrator
It vibrates;
Every prefabricated component, which must once construct, to be finished, must not stay construction joint or interval time it is long will produce cold seam, influence prefabricated
The quality of part;
Vibrator need to accomplish " fast insert is pulled out slowly " in process of vibrating, and slotting point wants evenly distributed, and point-by-point mobile, sequence carries out, and makes
Packed uniform is smash under shaking, the shift position of vibrating head is not more than 1.5 times of vibrating head operating distance radius;
In pouring process of vibrating, when the slurry seam 8 that overflows has, cement mortar is excessive, and concrete no longer sinks and stopping when laitance occurs in surface
Only vibrate and pour, then with hand hammer tap check pour it is whether full, pour it is full after, manually filled in again before concrete initial set
It smashes, finally carries out pressurization closure with flitch 6;
Step 7 receives light and levelling:After concreting, light, levelling should be received in time to casting surface, make its surface light
It is sliding;
Step 8 insulated curings:According to local weather temperature, modeling film or nonwoven are covered to concrete surface, and poured
Water curing makes its surrounding be depressed into tightly, and should keep having condensed water in film;
During concrete maintaining, at generally no less than 7 days on concrete water seasoning date, mixes retarding additive or have impervious
It is required that the concrete water seasoning date must not be less than 14 days, daily irrigation times should be able to keep concrete to be in enough wettings
State;
Step 9 form removals:After prefabricated post 3 reaches strength of mould stripping, the protrusion interface extra to prefabricated post 3 is manually rejected
Flitch 6, screw rod 7, side template 4 and rebasing template 5 are removed in repairing;
Must not should be noted that when form removal and destroy 3 corner of prefabricated post, should in time be supported the covering watering of exposed concrete after dismounting
Shield, is both needed to clean out template surface cement mortar, iron nail etc. before each dismounting is used in turn and brushing interleaving agent, to damaging
Bad template will be updated in time, to carry out next group element precast use.
The present invention and its embodiments have been described above, description is not limiting, shown in attached drawing also only
It is one of embodiments of the present invention, practical structures are not limited thereto.All in all if those skilled in the art
It is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar with the technical solution
Frame mode and embodiment, are within the scope of protection of the invention.