CN207194302U - Precast beam and include the precast beam pre-fabricated building - Google Patents

Abstract

The utility model provides a kind of precast beam, including：Beam body, including framework and pour in the concrete substrate on the framework, the beam body, which has, undertakes the first surface of load and the second surface adjacent with the first surface；And it is arranged at the baffle plate on the first surface, the baffle plate is set along the common edge of the first surface and the second surface, and extend along the length direction of the beam body, the baffle plate forms resettlement section back between the face of the second surface and the first surface.The utility model also provides a kind of pre-fabricated building.The utility model in the beam body of precast beam by setting baffle plate, so that at the scene during casting concrete, directly scope is poured using baffle plate limitation concrete, no longer need to set mould, the process for being set up in work progress and removing mould, the convenience degree for improving speed of application and using are also saved simultaneously.

Description

Precast beam and include the precast beam pre-fabricated building

Technical field

Building structure is the utility model is related to, more particularly to a kind of precast beam and includes the precast beam pre-fabricated building.

Background technology

The structure for being used to undertake load that beam refers to laterally setting in the structures such as building structure, machinery.In building Beam mainly includes two kinds of girder steel and reinforced beam.If existing reinforced beam is made in architectural process, Then concrete needs time enough to solidify, and can delay the duration to a certain extent, therefore is by beam in work progress now Make in advance, then the beam made in advance is mounted directly in building course and is fixed on building, is further poured Necessary concrete is built to accelerate speed of application, this beam made in advance is thus referred to as precast beam.

In work progress, it is necessary to which the height of the concrete poured is above during using precast beam as border casting concrete Prefabricated depth of beam, it is therefore desirable to pour scope using mould limitation concrete, adds additional in this work progress Mould build and demolishing process.Mold attaching/detaching difficulty is big simultaneously, especially when precast beam is located at building marginal position, by Wall or form bracing mould in no outside, so the stability of mould is relatively poor, are pressed by from concrete It is yielding during power, influence construction effect.

Utility model content

Based on this, one kind is necessary to need mould of arranging in pairs or groups for existing precast beam, it is inconvenient for use the problem of, there is provided it is a kind of not Need arrange in pairs or groups baffle plate, precast beam easy to use and the pre-fabricated building comprising the precast beam.

A kind of precast beam, including：

Beam body, including framework and pour in the concrete substrate on the framework, the beam body have undertake load the One surface and the second surface adjacent with the first surface；And

The baffle plate being arranged on the first surface, the baffle plate are public along the first surface and the second surface Edge is set, and is extended along the length direction of the beam body, and the baffle plate is back to the face of the second surface and first table Resettlement section is formed between face.

In one of the embodiments, the width in the face that the baffle plate is in contact with the first surface is less than described first The width on surface.

In one of the embodiments, sides aligned parallel of the baffle plate away from the first surface is in the first surface.

In one of the embodiments, the baffle plate is perpendicular to the first surface.

In one of the embodiments, the framework includes gluten, bottom muscle and for increasing the beam body shearing strength Stirrup, the length direction of the gluten and bottom muscle along the beam body are set, and the gluten and bottom muscle are arranged at the interior of the stirrup Side, and be fixedly connected with the stirrup.

In one of the embodiments, the stirrup includes the embedded portion being embedded in the beam body and extends the beam The epitaxy part of body, the epitaxy part extend from the first surface to the direction away from the beam body.

In one of the embodiments, the part of the epitaxy part is arranged in the baffle plate.

In one of the embodiments, the baffle plate is integrally formed with the beam body.

In addition, to achieve the above object, the utility model also provides a kind of pre-fabricated building, including precast floor slab and above-mentioned Precast beam described in any one.

The utility model in the beam body of precast beam by setting baffle plate so that at the scene during casting concrete, Directly scope is poured using baffle plate limitation concrete, it is no longer necessary to mould is set, while also saves in work progress and sets up With the process for removing mould, the convenience degree for improving speed of application and using.Further, since baffle plate is directly fixed on beam body On, it is not necessary to outside support is set, will not also be deformed again by after the pressure of concrete, relative to mixed using mould limitation Stability is more preferable for solidifying soil, ensure that construction quality and effect.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment precast beam；

Fig. 2 be in Fig. 1 A-A to sectional view.

Embodiment

To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this The embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description Understand the utility model.But the utility model can be to be much different from other manner described here to implement, this area Technical staff can do similar improvement in the case of without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific embodiment opened.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more related Listed Items.

The utility model provides a kind of precast beam 1.

As depicted in figs. 1 and 2, the precast beam 1 is preferably Prefabricated superposed beam, it is clear that or other precast beams.

In one embodiment, the precast beam 1 includes beam body 10 and the baffle plate 20 being fixed in beam body 10.

Beam body 10 in the present embodiment is preferably reinforced concrete structure, specifically includes framework 30 and pours in framework 30 On concrete substrate 50.Wherein, framework 30 is made up of reinforcing bar, and reinforcing bar specifically can be according to the service condition and needs of precast beam 1 The suitable reinforcing bar of bearing capacity preferred dimension of satisfaction, specifically, can be that various existing standard sizes build screw-thread steel, example Such as 18 millimeters of diameterScrew-thread steel, 20 millimeters of diameterScrew-thread steel etc. or customize according to demand nonstandard Quasi- steel, the specific composition of concrete refers to existing and improved concrete in the present embodiment, in the present embodiment to this not It is restricted.

It should be appreciated that the beam in building structure refers to the bearing structure laterally set, and it is mainly used in undertaking perpendicular To load.By taking the beam that precast floor slab of arranging in pairs or groups uses as an example, precast floor slab rides upon the upper surface of beam, and further pours coagulation Soil, in the concrete setting poured, it is possible to achieve the fixation of precast floor slab and beam, lotus is supported using joist support so as to realize.This The face that beam body 10 is undertaken to load in embodiment is defined as first surface 11, and the side adjacent with the first surface 11 is defined as Second surface 12.In general, first surface 11 should be the upper surface of beam body 10 in actual use.In the present embodiment Two surfaces 12 are referred under use state, the surface of the area periphery surrounded positioned at multiple precast beams 1.

Baffle plate 20 in the present embodiment is fixed on first surface 11, and is set along the length direction of beam body 10.Its length Preferably equal to or it is slightly less than the length of beam body 10.It should be appreciated that the concrete of cast in situs is mainly used in making after solidification Precast beam 1 is mutually fixed with other structures such as precast floor slabs, thus the concrete of cast in situs must have with precast beam 1 it is sufficiently large Contact area just can ensure that it is fixed more firmly, so preferred baffle plate 20 is along first surface 11 and second surface in the present embodiment 12 adjacent edges are set, and to increase the contact area between first surface 11 and the concrete of cast in situs, help to increase Structural strength.Resettlement section 40 is formed between beam body 10 and baffle plate 20, in work progress, the concreting of cast in situs is in the receipts In appearance portion, when the concrete setting of cast in situs, the fixation with precast beam 1 is realized.

Beam body 10 also includes the second surface 12 adjacent with first surface 11, and baffle plate 20 is along first surface 11 and second surface 12 common edge is set.

In order to increase the contact area of the concrete of cast in situs and beam body 10, baffle plate 20 is arranged at tightly in the present embodiment At the common edge of first surface 11 and second surface 12, to ensure that the concrete of cast in situs has most with first surface 11 Large access area.

The surface of baffle plate 20 is preferably plane, and baffle plate 20 is more preferably easy to carry and move, simultaneously perpendicular to first surface 11 Also allow for installing and use.

In the technical scheme of the present embodiment, by setting baffle plate 20 in beam body 10, precast beam 1 is being installed and poured When building concrete, the baffle plate 20 being arranged in beam body 10 can limit the flow range of the concrete of cast in situs, therefore need not The mould for limiting concrete scope is separately provided again, is on the one hand saved the cost of mould, is on the other hand also no longer needed Mould is dismounted, production procedure is simplified, makes building course more convenient.

Meanwhile in order to ensure the convenience of construction and construction quality, the preferred height of baffle plate 20 phase everywhere in the present embodiment Deng, and the height of the concrete with needing cast in situs is equal, the height of wherein baffle plate 20 refers to baffle plate 20 away from the first table The distance between one end that one end distance in face 11 is in contact with first surface 11.

In some embodiments, the rectangular cross-section of baffle plate 20, section here is referred to perpendicular to baffle plate 20 The section of length direction.

Referring to Fig. 2, the framework 30 in the present embodiment includes gluten 31, bottom muscle 32 and stirrup 33.Wherein, gluten 31 and bottom Muscle 32 is set along the length direction of beam body 10, and gluten 31 refers to the reinforcing bar at the top of the beam body 10 under use state, Bottom muscle 32 refers to the reinforcing bar close to the bottom of beam body 10 under use state.In the present embodiment, bottom muscle 32 extends to beam body 10 Outside, and for being connected with other structures.

Stirrup 33 in the present embodiment is used for the shearing strength for increasing beam body 10, specifically, its shape can be rhombus, Groined type, circular, door type or rectangle etc. variously-shaped, the position of each stirrup 33 is arranged at perpendicular to beam body 10 Length direction on.It should be appreciated that in view of the error being likely to occur in process of manufacture, here vertical not exhausted To it is vertical, as long as and substantially vertical.

In order to improve the bonding strength for the concrete that precast beam 1 and build on-site pour, in one embodiment, stirrup 33 wraps Include the embedded portion 331 being embedded in beam body 10 and extend to the epitaxy part 332 in the outside of beam body 10, epitaxy part 332 is from first surface 11 extend to the outside of beam body 10.

In the present embodiment, in work progress, concreting in resettlement section 40, and with the epitaxy part 332 of stirrup 33 It is connected, after cast-in-place concrete solidification, and solidification and concrete of the epitaxy part of stirrup 33 332 due to concrete are mutually solid It is fixed, bonding strength can be effectively improved.

It should be appreciated that if baffle plate 20 only includes concrete, its intensity can be slightly insufficient, therefore, preferred one In embodiment, epitaxy part 332 and the baffle plate 20 of stirrup 33 are fixedly linked, and can further improve between baffle plate 20 and beam body 10 Bonding strength.

In the present embodiment, beam body 10 is made with the one-shot forming of baffle plate 20.It is easy to the release of its internal stress, it is strong to improve its Degree.

In addition, the utility model also provides a kind of pre-fabricated building, including precast floor slab and pre- described in any of the above item Beam 1 processed.In construction, precast floor slab is erected on the first surface 11 of precast beam 1, and casting concrete, it is mixed what is poured During solidifying soil solidification, the connection of precast floor slab and precast beam 1 can be achieved.In the present embodiment, the concrete poured is stopped by baffle plate 20 Without overflowing, therefore mould need not be set to complete pouring for concrete, accordingly, also no longer need to remove mould Process, process and die cost are saved.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (9)

1. A kind of 1. precast beam, it is characterised in that including：

   Beam body, including framework and pour in the concrete substrate on the framework, the beam body has the first table for undertaking load Face and the second surface adjacent with the first surface；And

   The baffle plate being arranged on the first surface, common edge of the baffle plate along the first surface and the second surface Set, and extend along the length direction of the beam body, the baffle plate back to the face of the second surface and the first surface it Between form resettlement section.
2. 2. precast beam according to claim 1, it is characterised in that the face that the baffle plate is in contact with the first surface Width is less than the width of the first surface.
3. 3. precast beam according to claim 1, it is characterised in that sides aligned parallel of the baffle plate away from the first surface In the first surface.
4. 4. precast beam according to claim 1, it is characterised in that the baffle plate is perpendicular to the first surface.
5. 5. precast beam according to claim 1, it is characterised in that the framework includes gluten, bottom muscle and for increasing The stirrup of beam body shearing strength is stated, the length direction of the gluten and bottom muscle along the beam body is set, and the gluten and bottom muscle are set The inner side of the stirrup is placed in, and is fixedly connected with the stirrup.
6. 6. precast beam according to claim 5, it is characterised in that the stirrup includes being embedded in embedded in the beam body Portion and the epitaxy part for extending the beam body, the epitaxy part extend from the first surface to the direction away from the beam body.
7. 7. precast beam according to claim 6, it is characterised in that the part of the epitaxy part is arranged in the baffle plate.
8. 8. according to the precast beam described in claim any one of 1-7, it is characterised in that the baffle plate and the beam body one into Type.
9. 9. a kind of pre-fabricated building, it is characterised in that including the precast beam described in precast floor slab and claim any one of 1-8.