CN205840082U - A kind of BRT Lightweight core mould close rib composite floor structure - Google Patents

Abstract

The utility model discloses a kind of BRT Lightweight core mould close rib composite floor structure, including composite floor plate body, BRT Lightweight core mould and anti-floating power weight, described BRT Lightweight core mould is fixedly installed on the inner end of floor body, described anti-floating power weight is fixedly mounted on the bottom of BRT Lightweight core mould, and the structure of described BRT Lightweight core mould is hollow trapezium structure.After this utility model uses BRT Lightweight core mould close rib composite floor plate system, it is possible to reduce reinforcing bar, total consumption of concrete, reduce foundation load, accelerating construction progress；BRT Lightweight core mould of the present utility model close rib composite floor plate architecture transmission force property is improved, and superstructure the most all can carry light partition wall so that room can arbitrarily be split, thus meets owner's demand to Space with Individuality；This utility model uses closes cavity hole creating technology, it is suppressed that the transmission of floor noise up and down, overcomes the interference of upper and lower floor noise, improves heat-proof quality simultaneously.

Description

A kind of BRT Lightweight core mould close rib composite floor structure

Technical field

This utility model belongs to composite floor structure technical field, is specifically related to a kind of close rib of BRT Lightweight core mould and is combined building Plate structure.

Background technology

BRT Lightweight core mould close rib composite floor plate system, forms through casting concrete after mould in placing by certain rule Cavity building roof, by the interior mould in the internal embedding lightweight of floor, reaches, in the case of the computed altitude increasing floor, not increase The deadweight of floor construction, thus it is finally reached minimizing number of steel bars, reduce concrete amount, reduce the purpose of construction costs, from From the point of view of Flexural Strength, placing hollow box body and form cavity in cast-in-situ floor, the normal section of the plate in the horizontal, vertical direction of interior mould becomes The bearing capacity in I-shaped cross section and the solid slab of equivalent are identical.

Interior mould is provided in floor construction the general name for forming the tube filler of cavity, casing and cylinder, block.Interior mould Primarily serve specification and become the effect of hole shape, be not involved in structure stress.Work as concrete formation, after reaching design strength, interior mould Task completes.The interior mould that this engineering method uses is BRT Lightweight core mould.

Arranging dark beam between cast-in-situ concrete columns and post, post and shear wall, the floor that dark beam surrounds uses cast-in-situ hollow floor plate Structure, dark depth of beam is identical with cassette ceiling thickness, and dark beam is pressed wide-flat beam and considered, cassette ceiling is generally according to unidirectional or two-way slab Stress carries out internal force arrangement of reinforcement calculating.

Utility model content

The purpose of this utility model is for the deficiencies in the prior art, existing provide a kind of simple in construction, easy to use, set Count rational BRT Lightweight core mould close rib composite floor structure.

For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of close rib of BRT Lightweight core mould is combined Floor construction, including composite floor plate body, BRT Lightweight core mould and anti-floating power weight, described BRT Lightweight core mould is fixedly installed on building The inner end of plate body, described anti-floating power weight is fixedly mounted on the bottom of BRT Lightweight core mould, described BRT Lightweight core mould Structure is hollow trapezium structure.

The beneficial effects of the utility model are as follows:

(1) this utility model uses after BRT Lightweight core mould close rib composite floor plate system, it is possible to reduce reinforcing bar, concrete Total consumption, reduces foundation load, accelerating construction progress.

(2) BRT Lightweight core mould of the present utility model close rib composite floor plate architecture transmission force property is improved, and superstructure is each Place all can carry light partition wall so that room can arbitrarily be split, thus meets owner's demand to Space with Individuality.(3) originally Utility model uses closes cavity hole creating technology, it is suppressed that the transmission of floor noise up and down, overcomes the dry of upper and lower floor noise Disturb, improve heat-proof quality simultaneously.

(4) design of the present utility model designs according to " cast-in-place concrete hollow building roof structure technology code ", it is adaptable to big Span, big load, the building of large space.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Drawing reference numeral:

1, composite floor plate body；2, BRT Lightweight core mould；3, anti-floating power weight.

Detailed description of the invention

By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art can be by this Content disclosed by description understands other advantages of the present utility model and effect easily.

As it is shown in figure 1, a kind of BRT Lightweight core mould close rib composite floor structure, including composite floor plate body 1, BRT light core Mould 2 and anti-floating power weight 3, BRT Lightweight core mould 2 is fixedly installed on the inner end of floor body 1, and anti-floating power weight 3 fixedly mounts In the bottom of BRT Lightweight core mould 2, the structure of BRT Lightweight core mould 2 is hollow trapezium structure.

After this utility model uses BRT Lightweight core mould close rib composite floor plate system, it is possible to reduce reinforcing bar, total use of concrete Amount, reduces foundation load, accelerating construction progress；BRT Lightweight core mould of the present utility model close rib composite floor plate architecture power transmission Performance is improved, and superstructure the most all can carry light partition wall so that room can arbitrarily be split, thus meets owner to space Personalized demand；This utility model uses closes cavity hole creating technology, it is suppressed that the transmission of floor noise up and down, overcomes The interference of lower floor noise, improves heat-proof quality simultaneously；Design of the present utility model is according to " cast-in-place concrete hollow building roof structure Technical regulation " design, it is adaptable to large span, big load, the building of large space.

Construction method:

(1) preparation of construction: the colligations such as slab form has been propped up and checked and accepted by preliminary examination, the Vierendeel girder reinforcing bar of frame structure are complete Become；Play reinforcing bar and case mould riding position line according to designing and arranging case figure requirement, unwrapping wire on slab form, it is ensured that follow-up girt strip reinforcing bar The position that colligation and case mould are installed is accurate；According to axis, release vertically and horizontally girt strip control line, be i.e. to lay case mould position between girt strip Put；Unwrapping wire is after inner membrance casing installs for the second time, and in hollow box body, unwrapping wire can use whiting etc. to replace prepared Chinese ink, with Ensure the clear firm of institute's unwrapping wire.

(2) colligation floor floor iron and girt strip: according to the position of snap the line in template, successively colligation floor floor iron and case mould limit rib Beam；First according to tying up the method for beam along underfloor ferrum lower floor's muscle direction colligation floor girt strip, and lay same direction floor floor iron；So After, lay ferrum on the girt strip in muscle direction, underfloor ferrum upper strata, be inserted in rib beam hoop reinforcement one by one, after stirrup has overlapped, wear the lower ferrum of girt strip Firm with underfloor ferrum colligation；Note ensureing the size of floor plan solid section around district's panel periphery and post.

(3) lay preheating embedding line and reserved sleeve pipe: each specialty preheating embedding line etc. in floor, should try one's best along girt strip cloth Put in girt strip cross section, avoid case mould position；The small pipe line of below external diameter 15mm also can be laid on case mould bottom, but does not surpasses Cross one layer, must not intersect under case mould, in order to avoid padded case mould.

(4) anti-floating fixing point is set: after floor floor iron and girt strip reinforcing bar binding, anti-floating point can be started setting up.Anti- The anti-floating force path that floating-point is arranged is as follows: case mould buoyancy---ferrum on floor---rib beam hoop reinforcement or iron wire connect---floor Floor iron---anti-floating point iron wire---template system.Anti-floating point uses No. 14 iron wires, with power drill in muscle both sides, floor floor iron upper strata Template is punched, and iron wire is tightened through template in formwork keel side, by floor floor iron upper strata muscle and template fixation.Fixing point Starting to arrange to centre from floor periphery, spacing 1 meter in length and breadth, edge, post-cast strip also to be arranged.Rib beam hoop reinforcement to be made or drag hook hook Live ferrum upper strata muscle on floor, to ensure the effective force of anti-floating point；Otherwise, should again with No. 14 iron wires by ferrum upper strata muscle on floor with Lower ferrum colligation is tightened, and is correspondingly arranged with lower ferrum anti-floating point, it is ensured that anti-floating effect.

(5) anti-floating of inspecting for acceptance point is arranged: the setting of anti-floating point is the key of cast-in-situ hollow building roof construction.Anti-floating point has set After, anti-floating point special project middle inspection should be carried out and check and accept, to ensure that anti-floating point arranges uniformly, position is accurate, and fixation is reliable, full Foot anti-floating requirement.

(6) hollow box mould bottom cushion block is installed: cushion block is set under hollow box mould, it is ensured that the Concrete Thick of case mould bottom Degree.The design thickness requirement of pad thickness case to be met mould bottom concrete.Quantity is set, for the case mould of 700*700, can be only Respectively arrange one piece in case mould corner, for the case mould of 700*400,2 pieces should be placed, and can guarantee that case mould bottom concrete thickness is Accurate.Because casing when casting concrete by the buoyancy of concrete, so the cushion block of lower box can also save need not.

(7) hollow box mould is installed: the handling of hollow box mould can use the uncovered steel reinforcement cage welded or other box instrument, Inside steel reinforcement cage, four limits and bottom surface multi-layer sheet are closed.According to cloth case figure, put successively in each girt strip space, place flat Whole, all around align, align.Position intensive to local pipeline, that caliber is big, it is impossible to when placing thick case mould, can be used it instead The case mould of its specification.After case mould is laid, it should be noted that finished product protection, it is to avoid personnel frequently trample, destroy.Damaged case mould, Ying Change in time during ferrum in colligation.

(8) ferrum on colligation floor: after hollow box mould has been laid, ferrum on colligation floor can be started.Now, ferrum on girt strip Colligation completes, ferrum on the floor in the middle of the most remaining girt strip.On floor, ferrum should be positioned at same layer with ferrum on girt strip, and with girt strip steel Muscle colligation is firm.For ensureing the effective of anti-floating point, on floor on ferrum girt strip to be pressed under ferrum, ferrum anti-floating otherwise should be separately provided Point is corresponding with lower ferrum anti-floating point to be connected.On floor after ferrum colligation, each hollow box mould top and floor add between ferrum Cushion block, pushes down case mould, and guard box mould top concrete thickness.

(9) ferrum cushion block is set: upper ferrum method to set up and quantity are with bottom cushion block.

(10) erection construction sidewalk, erection concrete conveying pipe: case calligraphy or painting model body has certain intensity, but frequently tramples and the most easily make Becoming to damage, after especially adding top cushion block, stress is concentrated, fragile.In construction, application scaffold board sets up built on stilts builder's road, Convenient construction operator operation, current, and guard box mould and floor bar finished product.Concrete delivery pump pipe should direct frame On floor bar, can set up short tube shelf or chock side etc. by high for pump line frame, the riding position such as boom answers schedule ahead good, Boom application scaffold board and shelf frame are high, must not directly bear against on case mould.Construction equipments etc. must not be placed on hollow box mould, Constructing operation personnel must not trample hollow box mould.

(11) concealment acceptance: after the operations such as reinforcing bar binding, case mould installation complete, tissue related personnel carries out three inspections and hidden Inspecting for acceptance, emphasis strengthens the inspection that antagonism floating-point is arranged, and after acceptance(check), enters concreting operation.

(12) concrete placings: cast-in-place concrete hollow building roof structure pours uses concrete, and its slump should be than solid plain building Cover slightly larger, desirable 18-20cm, and be the slump to cast in situs；Coarse aggregate size preferably selects less than 25mm.Case calligraphy or painting model body Belong to cement products, moistening (winter should not sprinkle water) of should first sprinkling water before concreting.Concreting preferably uses pumping.Pour Along floor span direction from the beginning of side, order is carried out successively, and cloth is the most uniformly, it is to avoid concrete piles up too high damage at same position Bad case mould.Vibrating spear vibrates along girt strip position successively along casting direction, should suitably strengthen vibrating time than solid superstructure and vibrate Point quantity, vibrates and observes hollow box mould surrounding simultaneously, until no longer there being bubble to emerge, represents that case mould lower concrete is the most closely knit； Vibrating spear should be avoided directly touching hollow box mould.In casting process as bad in hollow box wear, it is necessary to process in time.Available nylon It is tight that the light-weight articles such as woven bag fill in breakage closure, fills in article and exposes case mould surface, cause concrete after being careful not to make Slag inclusion.

Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model System, as long as the technical scheme that can realize on the basis of above-described embodiment without creative work, is regarded as falling into In the range of the rights protection of this utility model patent.

Claims (1)

1. a BRT Lightweight core mould close rib composite floor structure, it is characterised in that: include composite floor plate body, BRT Lightweight core mould With anti-floating power weight, described BRT Lightweight core mould is fixedly installed on the inner end of floor body, and described anti-floating power weight fixedly mounts In the bottom of BRT Lightweight core mould, the structure of described BRT Lightweight core mould is hollow trapezium structure.