A kind of combined reinforced bar concrete cassette ceiling
Technical field
This utility model relates generally to novel house building and assembled architecture roof structure, specifically a kind of combined reinforced bar
Concrete cassette ceiling.
Background technology
The building major part employing precast hollow slab of brick mix structure and frame structure is as building cover board at present, this superstructure
Plate has the advantages such as speed of application is fast, cost is low, but owing to the most firmly linking between adjacent two pieces of precast hollow slabs, only uses water
Cement mortar blind, thus not only globality difference is unfavorable for antidetonation, and the phenomenons such as gap cracking, infiltration often occur.For
Solution the problems referred to above, more building have employed cast-in-situ concrete floor, cast-in-place concrete hollow building roof is the elder generation in building cover structure
Entering form, it can farthest retain the rigidity of structure while saving construction material, and globality is high, shock resistance is strong, this
The most also there is reduction structure floor height, energy-saving and noise-reducing, realize the advantages such as the superstructure free separation of body of wall.
" combination concrete hidden rib building cover board " utility model patent of Patent No. ZL00203695.9, it is by prefabricated plate, mould
Shell, dark rib, upper plate form, and each prefabricated plate spaced horizontal is placed, and is fixed with formwork, contiguous prefabricated thin plate on prefabricated plate
Or between formwork, it being provided with dark rib, upper plate covers on formwork, and connects as one with dark rib, and this kind of building cover board is no longer necessary to greatly
Amount uses template, accelerates speed of application, shortens the duration, thus reduce cost.But, the formwork in this floor is being executed
In man-hour, Cast-in-place concrete easily enters in formwork, and construction material loss is big, affects the hollow rate of floor, and the cost of corresponding floor is high, weight
Greatly.
" a kind of combined reinforced bar concrete cassette ceiling " patent of invention of Patent No. ZL 200810136189.1, in existing skill
On the basis of art, including prefabricated plate, formwork, dark rib, upper plate, prefabricated plate is fixed with formwork, contiguous prefabricated thin plate or
Being provided with dark rib between formwork, upper plate covers on formwork, and connects as one with dark rib, it is characterised in that described formwork
For the mould casing component closed, the cast-in-place concrete hidden rib of Cast-in-place concrete dark ribbed belt truss member.So, due to formwork be close formwork structure
Part, thus during floor slab construction, Cast-in-place concrete is not easily accessible in formwork, construction material loss is little, and floor hollow rate is big, corresponding floor
Low cost, lightweight, anti-seismic performance good, is particularly suited for Hollow Flat and close rib building roof uses.But the product of above-mentioned patent
Product still use cast-in-place commerical ready-mixed concrete, the application of the regenerated aggregate concrete that relatively new building is carried out, and its structure is in carrying
Also still need in power, stability improve.Therefore, a kind of novel combined reinforced bar concrete cassette ceiling is developed for being badly in need of.
Utility model content
For solving the deficiency of current technology, this utility model combines prior art, from reality application, it is provided that a kind of group
Closing reinforced concrete hollow slab, it is good that this floor has mechanical property, and bearing capacity is big, and it is excellent that stability in the large is high, shock resistance is strong
Point.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of combined reinforced bar concrete cassette ceiling, cassette ceiling bottom is laid lower floor's bar-mat reinforcement, lower floor's bar-mat reinforcement is fixed with
Formwork, is provided with dark rib between adjacent formwork, on formwork, end face is preset with groove, lays top mat, in dark rib in groove
It is provided with the stiffener making top mat and lower floor's bar-mat reinforcement connect as one, top mat, lower floor's bar-mat reinforcement and dark rib
All use Aggregate of recycled concrete cast.
Described formwork is hollow mould.
The top mat that on described formwork, end face is arranged is that cross orthogonal type is laid in the pre-groove of formwork.
Described stiffener is N-shaped, and bottom stiffener, two ends are fixing with lower floor bar-mat reinforcement is connected, stiffener arc of curvature
Degree top is concordant with top mat.
The beneficial effects of the utility model:
1, this utility model reasonable in design, uses the cast aggregate cast of lightweight regeneration concrete, can reduce floor
Overall weight, the stress that less superstructure framework of steel reinforcement bears, greatly reduce the probability of superstructure cracking, this structure is by setting simultaneously
The stiffener put, can be effectively increased dark rib and connect the setting capacity of upper and lower plates, make floor caused by big impact
In bigger deformation, do not result in prefabricated plate separation and come off or ftracture;Although this utility model uses regeneration concrete to water
Note, still has mechanical property good, and bearing capacity is big, and stability in the large is high, the advantage that shock resistance is strong.
2, this utility model formwork uses hollow-core construction, is possible to prevent the concrete poured to enter in formwork, efficiently reduces concrete
The amount of pouring, reduces the total quality of superstructure.
3, on this utility model formwork, end face bar-mat reinforcement is that cross orthogonal type is laid in formwork pre-groove, so, and can
To strengthen the stability of formwork, casting process does not results in core dislocation mobile, prevent from causing pouring inequality.
4, stiffener of the present utility model uses N-shaped structure, so, can effectively weaken in floor cast-in-place concrete hidden rib with
The stress of Cast-in-place concrete upper plate intersection area, can bear bigger concentrfated load stress, prevent the generation in crack, improve floor
Mechanical property.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model population structure schematic diagram.
Label shown in accompanying drawing: 1, top mat;2, formwork;3, dark rib;4, stiffener;5, groove;6, regeneration is mixed
Solidifying soil aggregate;7, lower floor's bar-mat reinforcement.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these embodiments are only used for
This utility model is described rather than limits scope of the present utility model.In addition, it is to be understood that reading this utility model instruction
Content after, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall equally
In scope defined herein.
As shown in drawings, a kind of combined reinforced bar concrete cassette ceiling, cassette ceiling bottom lays lower floor's bar-mat reinforcement 1, lower floor's steel
Being fixed with formwork 2 on muscle net 1, be provided with dark rib 3 between adjacent formwork 2, on formwork 2, end face is preset with groove 5, paving in groove 5
If top mat 7, in dark rib 3, it is provided with the stiffener 4 making top mat 7 and lower floor's bar-mat reinforcement 1 connect as one, upper strata
Bar-mat reinforcement 7, lower floor's bar-mat reinforcement 1 and dark rib 3 all use Aggregate of recycled concrete 6 to pour into a mould.
This cassette ceiling the upper and lower are respectively provided with bar-mat reinforcement, arrange formwork between top mat 7 and lower floor's bar-mat reinforcement 1
2, dark rib 3 is set between formwork 2, dark rib 3 is provided with stiffener 4, stiffener 4 is by top mat 7 and lower floor's bar-mat reinforcement 1
Being connected as an entirety, top mat 7, lower floor's bar-mat reinforcement 1 and dark rib 3 all use waste concrete powder, aglite and cement
Lightweight Aggregate of recycled concrete 6 for major ingredient is poured into a mould.The use of Aggregate of recycled concrete 6 for economizing on resources, protection environment and
The sustainable development realizing building industry is significant, however Aggregate of recycled concrete 6 due to himself some defects without
Method directly replaces commerical ready-mixed concrete the most directly to use.This utility model by the improvement to conventional hollow floor,
Cassette ceiling is arranged top mat 7, lower floor's bar-mat reinforcement 1 and stiffener 4, can effectively strengthen dark rib and connect upper and lower plates
Setting capacity, makes floor caused in bigger deformation by big impact, do not result in prefabricated plate separate come off or
Cracking, is applied to Aggregate of recycled concrete 6 on this combined hollow floor, can ensure bearing capacity, the feelings of overall performance
Condition declines low superstructure overall weight, reduces the stress that superstructure framework of steel reinforcement bears, and greatly reduces the probability of superstructure cracking.
This utility model formwork 2 use hollow, seal, hard hollow mould.So, hollow and that sealing is good formwork
It is possible to prevent the concrete poured to enter in formwork, efficiently reduces concrete placings amount, reduce the total quality of superstructure
The top mat 7 that on this utility model formwork 2, end face is arranged is laid on the default recessed of formwork 2 in cross orthogonal type
In groove 5, groove 5 is cross groove structure, and top mat 7 is arranged on the groove of correspondence in corresponding cross orthogonal type structure
In 5, as such, it is possible to strengthen the stability of formwork, casting process does not results in core dislocation mobile, prevent from causing pouring not
All.
This utility model stiffener 4 is in N-shaped, and bottom stiffener 4, two ends are fixing with lower floor bar-mat reinforcement 1 is connected, reinforcement
Reinforcing bar 4 crooked radian top is concordant with top mat 1 fixing, owing to using crooked radian structure, therefore stiffener 4 energy
Effectively weaken dark rib 3 and the stress of upper plate intersection area in superstructure, bigger concentrfated load stress can be born, prevent crack
Generation, improve the mechanical property of floor.