CN209261049U - Precast beam - Google Patents
Precast beam Download PDFInfo
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- CN209261049U CN209261049U CN201821075895.5U CN201821075895U CN209261049U CN 209261049 U CN209261049 U CN 209261049U CN 201821075895 U CN201821075895 U CN 201821075895U CN 209261049 U CN209261049 U CN 209261049U
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- protrusion
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Abstract
The utility model relates to fabricated construction system technical field, in particular to a kind of precast beam.The precast beam, including left plate, right side plate, bottom plate, waist indulge muscle and reinforced mesh group；Waist is indulged muscle and is fixed in reinforced mesh group；Reinforced mesh group includes multiple reinforced mesh, and multiple reinforced mesh are successively positioned apart from along the extending direction that waist indulges muscle；The first protrusion is provided on the downside of reinforced mesh, the first protrusion is connect with bottom plate；The left side and right side of reinforced mesh are provided with the second protrusion, and second protrusion in the left side of left plate and reinforced mesh connects, and second protrusion on the right side of right side plate and reinforced mesh connects；The left and right sides of left plate and right side plate and bottom plate connects one by one, to form shell.Shell can play template action, greatly reduce live branch modulus, improve construction efficiency.Shell and other prefabricated components scene one-piece castings, performance are equal to cast-in-place structural, good integrity.
Description
Technical field
The utility model relates to fabricated construction system technical field, in particular to a kind of precast beam.
Background technique
Country promote building industrialization development and the important measures of building trade transition and upgrade first is that pushing building structure
The key technology research of system, architectural design, component component and fitting etc. and application.Assembled architecture refers to prefabricated component
It is built made of assemble in site.The advantages of this building is that construction speed is fast, and climate conditionality is small, saves labour simultaneously
Construction quality can be improved.
Currently, the weight of traditional Prefabricated superposed beam is big, pose a big pressure to transport and lifting, live branch modulus is big, existing
Field handwork is more, and construction efficiency is low, and industrialization degree is low, and overlapping layers thickness is small, and integrality performance of the structure is poor compared with cast-in-place structural.
Utility model content
The purpose of this utility model is to provide a kind of precast beams, low, whole to solve beam construction efficiency in the prior art
The technical problem of body performance difference.
The utility model provides a kind of precast beam, including left plate, right side plate, bottom plate, waist indulge muscle and reinforced mesh
Group；Waist is indulged muscle and is fixed in reinforced mesh group；Reinforced mesh group includes multiple reinforced mesh, and multiple reinforced mesh are vertical along waist
The extending direction of muscle is successively positioned apart from；The first protrusion is provided on the downside of reinforced mesh, the first protrusion is connect with bottom plate；Steel
The left side and right side of muscle mesh sheet are provided with the second protrusion, and left plate and second protrusion in the left side of the reinforced mesh connect
It connects, the second protrusion connection on the right side of right side plate and reinforced mesh；The left and right sides of left plate and right side plate and bottom plate connects one by one
It connects, to form shell.
Further, each reinforced mesh includes the first muscle being oppositely arranged, and along the first muscle extending direction according to
Multiple second muscle of minor tick setting；The first muscle of left side is stretched out in the left end of multiple second muscle, and the right end of multiple second muscle is stretched
The first muscle of right side out；All second muscle are stretched out in the lower end of two the first muscle；The left end of multiple second muscle is connect with left plate,
The right end of multiple second muscle is connect with right side plate, and the lower end of two the first muscle is connect with bottom plate.
Further, the lower end of the first muscle is arranged in the first protrusion, and the sectional dimension of the first protrusion is greater than cutting for the first muscle
Face size.
Further, the left end of multiple second muscle and right end are provided with the second protrusion, the sectional dimension of the second protrusion
Greater than the sectional dimension of the second muscle.
Further, the first raised lower end by first muscle is directly upset forms, and/or, a left side for second muscle
Second protrusion at end by second muscle left end it is directly upset forms, the second protrusion of the right end of second muscle is by described the
The right end of two muscle is directly upset to be formed.
Further, the vertical muscle of waist is multiple, and a waist indulges the intersection that the second muscle and the first muscle is arranged in muscle.
Further, upside of the upper side edge of left plate without departing from reinforced mesh.
Further, upside of the upper side edge of right side plate without departing from reinforced mesh.
Further, left plate, right side plate and bottom plate are that concreting forms.
Further, precast beam further includes that muscle is indulged in upper longitudinal bar and lower part；The upper longitudinal bar is threaded through reinforced mesh group
Top, lower part indulges muscle and is threaded through the lower part of reinforced mesh group.
In precast beam provided by the utility model, reinforced mesh group is connect by the first protrusion with bottom plate, convex by second
It rises and is connect with left plate and right side plate, then left plate connect the shell to be formed package with right side plate with the left and right sides of bottom plate one by one
Outside reinforced mesh group, waist is indulged muscle and is arranged in reinforced mesh group, connect one by one with multiple reinforced mesh, and then waist indulges muscle
Kept apart with shell by reinforced mesh group, reinforced mesh group and waist indulge muscle and form steel reinforcement cage.
It after transporting precast beams to construction site, is installed in place, then scene casting concrete into shell, makes steel reinforcement cage
One is formed with construction concrete.
The shell that left plate, right side plate and bottom plate are formed can play the role of template, greatly reduce live branch modulus, letter
Change construction procedure, improves construction efficiency.Precast beam uses the form of shell, and overall weight is light, convenient transportation and lifting.
After transporting precast beams to scene with other component formed by integrally casting, reasonable stress, overall performance and common cast-in-place coagulation
Soil structure is suitable, has the characteristics that safe and reliable, simplified construction, saves consumptive material, reduces fugitive dust and building waste, has stronger
The market competitiveness.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram according to the precast beam of the utility model embodiment；
Fig. 2 is another structural schematic diagram of precast beam shown in FIG. 1；
Fig. 3 is the structural schematic diagram of steel reinforcement cage in precast beam shown in FIG. 1；
Fig. 4 is the structural schematic diagram after precast beam cast in situs shown in FIG. 1.
In figure: 11- left plate；12- right side plate；13- bottom plate；14- waist indulges muscle；15- reinforced mesh；On 16-
Indulge muscle in portion；Indulge muscle in the lower part 17-；The first muscle of 151-；The second muscle of 152-；The first protrusion of 153-；The second protrusion of 154-；100-
Construction concrete.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
In the description of the present invention, it should be noted that term "left", "right", "upper" "lower" are for conveniently
Description, with reference to the accompanying drawings, the upper OA in diagram, it is OD that the next left side OB, which is the right side OC,.
Fig. 1 is the structural schematic diagram according to the precast beam of the utility model embodiment；Fig. 2 is precast beam shown in FIG. 1
Another structural schematic diagram；Fig. 3 is the structural schematic diagram of steel reinforcement cage in precast beam shown in FIG. 1；Fig. 4 is shown in FIG. 1 prefabricated
Structural schematic diagram after beam cast in situs.
As shown in Figures 1 to 4, the utility model provides a kind of precast beam, including left plate 11, right side plate 12, bottom plate 13,
Waist indulges muscle 14 and reinforced mesh group；Waist is indulged muscle and is fixed in reinforced mesh group；Reinforced mesh group includes multiple steel meshes
Piece 15, multiple reinforced mesh 15 are successively positioned apart from along the extending direction that waist indulges muscle 14；The left plate 11, the right side
It is consistent that the extending direction of plate 12 and the bottom plate 13 indulges the extending direction of muscle 14 with the waist；The downside of reinforced mesh 15
It is provided with the first protrusion 153, the first protrusion 153 is connect with the bottom plate 13；The left side and right side of reinforced mesh 15 are respectively provided with
There is the second protrusion 154, left plate 11 is connect with second protrusion 154 in the left side of the reinforced mesh 15, right side plate 12 and reinforcing bar
Second protrusion 154 on the right side of mesh sheet 15 connects；Left plate 11 and right side plate 12 are connect one by one with the left and right sides of bottom plate 13, with
Form shell.
In the present embodiment, 15 groups of reinforced mesh 153 connects by the first protrusion with bottom plate 13, by second raised 154 and
Left plate 11 and right side plate 12 connect, then left plate 11 connect the shell to be formed with the left and right sides of bottom plate 13 one by one with right side plate 12
Body is wrapped in outside 15 groups of reinforced mesh, and waist is indulged muscle 14 and is arranged in 15 groups of reinforced mesh, is connected one by one with multiple reinforced mesh 15
It connects as welded, and then waist is indulged muscle 14 and kept apart with shell by 15 groups of reinforced mesh, 15 groups of reinforced mesh are indulged muscle with waist
14 form steel reinforcement cage.It after transporting precast beams to construction site, is installed in place, then scene casting concrete into shell, makes
Steel reinforcement cage and construction concrete 100 form one.
The shell that left plate 11, right side plate 12 and bottom plate 13 are formed can play template action, to greatly reduce branch
Modulus makes construction is simple, and construction efficiency is high, and shell can play the role of template, simplify construction procedure, improves construction effect
Rate.Precast beam uses the form of shell, and overall weight is light, convenient transportation and lifting.
After transporting precast beams to scene with other component formed by integrally casting, reasonable stress, overall performance and common cast-in-place coagulation
Soil structure is suitable, has the characteristics that safe and reliable, simplified construction, saves consumptive material, reduces fugitive dust and building waste, has stronger
The market competitiveness.
It should be noted that epipleural can be set, epipleural, left plate 11, bottom plate 13 and right side plate 12 successively connect
It connects, to form the hollow housing of both ends open.
Preferably, it is not provided with epipleural, in use, the length direction of beam is horizontal positioned, and bottom plate 13 is located below,
Epipleural is not provided with conveniently to overlap with floor.
Wherein, the material of the material of left plate 11, the material of right side plate 12 and bottom plate 13 all can be a variety of, such as:
Plank, plastic plate or metal plate etc..
Left plate 11, right side plate 12 and bottom plate 13 can be different, can part it is identical, preferably all the same, material
Matter is unified, facilitates production and processing.
In addition, there are many connection types of shell and the first protrusion 153 and shell and the second protrusion 154, such as: pass through
Iron wire etc. bound or reinforced mesh 15 on protrusion be inserted directly into the inside of shell without stretching out its outside.
Preferably, shell is formed using concrete prefabricated, i.e., in factory, progress is concrete prefabricated, and protrusion is embedded in shell
It is interior, it can be integrally formed in this way with the construction concrete 100 of cast in situs behind precast beam arrival construction site, to make the material of beam
Matter is unified, and type is few, compound with regular structure.
As shown in Figure 1 to Figure 3, on above-described embodiment basis, further, each reinforced mesh 15 includes opposite
The first muscle 151 being arranged, and extending direction successively spaced multiple second muscle 152 along the first muscle 151；Multiple second
The first muscle 151 of left side is stretched out in the left end of muscle 152, and the right end of multiple second muscle 152 stretches out the first muscle 151 of right side；Two
All second muscle 152 are stretched out in the lower end of one muscle 151；The left end of multiple second muscle 152 is connect with left plate 11, and multiple second
The right end of muscle 152 is connect with right side plate 12, and the lower end of two the first muscle 151 is connect with bottom plate 13.
In the present embodiment, the left extension end of the second muscle 152 is connect with left plate 11, the right extension end and the right side of the second muscle 152
Side plate 12 connects, and the lower extension end of bottom plate 13 is connect with bottom plate 13, realizes the connection with shell by the end of reinforced mesh 15,
Simple and convenient easy construction, without closed stirrup, so that great deal of steel is saved, suitable for mass production, work strapped without bending
Industry degree is high.
As shown in Figure 1 to Figure 3, on above-described embodiment basis, further, the lower end of the first muscle 151 is provided with the
One protrusion 153, the sectional dimension of the first convex first protrusion 153 are greater than the sectional dimension of the first muscle 151.
Wherein, there are many structure types of the first protrusion 153, such as: the first protrusion 153 can for plate, it is rod-shaped or
Column etc.；It can be straight-bar, curved bar, and the angled setting of the first muscle 151, the first protrusion when the first protrusion 153 is in the shape of a rod
Multiple hangnails or kick can also be set on 153；Preferably, the first protrusion 153 is the direct pier of lower end of the first muscle 151
It slightly forms, the processing is simple, and the first protrusion 153 is firm with the connection of the first muscle 151.
Preferably, the first protrusion 153 and the first muscle 151 are in T font, and structure is simple, big with the contact area of bottom plate 13.
First protrusion 153 can also be able to be multiple for one.
In the present embodiment, the first protrusion 153 can be improved the intensity that the first muscle 151 is connect with bottom plate 13, especially work as bottom
Plate 13 using it is concrete prefabricated when, the first protrusion 153 protrudes into concrete as root, and the first protrusion 153 can be improved the
The anchor force of one muscle 151 and bottom plate 13, to make the stronger of the two, and then makes later period pouring construction concrete 100 more
It is convenient.
As shown in Figure 1 to Figure 3, above-described embodiment basis on, further, the left end of multiple second muscle 152 and
Right end is provided with the second protrusion 154, and the sectional dimension of the second protrusion 154 is greater than the sectional dimension of the second muscle 152.
Wherein, there are many structure types of the second protrusion 154, such as: the first protrusion 153 can for plate, it is rod-shaped or
Column etc.；It can be straight-bar, curved bar, and the angled setting of the second muscle 152, the second protrusion when the first protrusion 153 is in the shape of a rod
Multiple hangnails or kick can also be set on 154.
Preferably, the second protrusion 154 directly upset forms for the end of the second muscle 152.The second of the left end of second muscle 152
Protrusion 154 by the second muscle 152 left end directly it is upset form, the second protrusion 154 of the right end of the second muscle 152 is by the second muscle 152
Right end it is directly upset form, the processing is simple, and the second protrusion is 154 firm with the connection of the second muscle 152.
The set-up mode of first protrusion 153 and the second protrusion 154 can be different, are preferably all made of upset mode, tie
Structure is unified, easy to process.
Preferably, the second protrusion 154 and the second muscle 152 are in T font, and structure is simple, big with the contact area of bottom plate 13.
Second protrusion 154 can also be able to be multiple for one.
In the present embodiment the second protrusion 154 can be improved the second muscle 152 connect with left plate 11 or right side plate 12 it is strong
Degree, especially when left plate 11 or right side plate 12 use concrete prefabricated, the second muscle 152 is can be improved in the second protrusion 154
With the anchor force of both side plate, to make the stronger of the two, and then keep later period pouring construction concrete 100 more convenient.
As shown in Figure 1 to Figure 3, on above-described embodiment basis, further, waist indulges muscle 14 and 15 groups of reinforced mesh
Connection type can be a variety of, such as: it is four that waist, which indulges muscle 14, and four waists indulge muscle 14 and reinforced mesh 15 is arranged in one by one
Four angles of group；Can be indulged with waist muscle 14 be it is multiple, be successively spaced setting along outermost first muscle 151 and the second muscle 152.
Preferably, the vertical muscle 14 of waist is multiple, and a waist indulges muscle 14 and is arranged in the one of the second muscle 152 and the first muscle 151
A intersection.
In the present embodiment, multiple second muscle 152 and two the first muscle 151 are respectively formed multiple crosspoints, and each intersection is equal
One waist is set and indulges muscle 14, waist is indulged muscle 14 and connect with the first muscle 151, and connect with the second muscle 152, then makes reinforced mesh
The steel reinforcement cages that muscle 14 is formed are indulged with waist for 15 groups and connect stronger, avoid deforming during transportation.
As shown in figure 3, further, the upper side edge of left plate 11 is without departing from steel mesh on above-described embodiment basis
The upside of piece 15.
In the present embodiment, the upper side edge of left plate 11 is no more than 15 groups of reinforced mesh of upside, is located at the intracorporal reinforcing bar of shell
The left side of the upside of cage is exposed outside so that it is convenient to which precast beam and floor overlap.
If Fig. 1 is to as shown in figure 3, on above-described embodiment basis, further, the upper side edge of right side plate 12 without departing from
The upside of reinforced mesh 15.
In the present embodiment, the upper side edge of right side plate 12 is no more than 15 groups of reinforced mesh of upside, is located at the intracorporal reinforcing bar of shell
The right side of the upside of cage also it is exposed outside, further facilitate precast beam and floor in this way and overlap.
Preferably, left plate 11 and 12 structure and specification of right side plate are unified, make precast beam in process of production, reduce template
Type, facilitate processing.
As shown in figure 4, further, precast beam further includes upper longitudinal bar 16 and lower part on above-described embodiment basis
Vertical muscle 17；The upper longitudinal bar 16 is threaded through 15 groups of reinforced mesh of top, and lower part indulges muscle 17 and is threaded through 15 groups of reinforced mesh
Lower part.
In the present embodiment, upper longitudinal bar 16 is set on the top of steel reinforcement cage, bottom is arranged lower part and indulges muscle 17, then works as precast beam
After cast in situs forms complete beam, upper longitudinal bar 16 and lower part indulge muscle 17 and can ensure the integral strength of beam, meet building and want
It asks.
As shown in figure 4, left plate 11 and the upside of 15 groups without departing from reinforced mesh of right side plate 12, transporting precast beams are arrived
Behind construction site, position is attached it to, a small amount of template can be propped on the upside of left plate 11 and right side plate 12, then by precast beam
It completes to connect with other components, the pouring construction concrete 100 into precast beam, after concrete 100 of constructing hardens, with precast beam
Shell be adapted, 15 groups of reinforced mesh and waist indulged into muscle 14, upper longitudinal bar 16 and lower post indulge muscle being all wrapped in
It is interior, the compound with regular structure of beam.
Since shell mainly plays template action, then most of concrete is all that construction site pours, then is equivalent to existing
Field pours, and reasonable stress, comprehensive performance is suitable with common cast-in-place concrete structure, has safe and reliable, simplified construction, saving consumption
Material reduces the features such as fugitive dust and building waste, has the stronger market competitiveness.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of precast beam characterized by comprising left plate, right side plate, bottom plate, waist indulge muscle and reinforced mesh group；Institute
The vertical muscle of waist is stated to be fixed in the reinforced mesh group；
Reinforced mesh group includes multiple reinforced mesh, multiple reinforced mesh along the waist indulge muscle extending direction successively between
It is arranged every ground；The extending direction of the left plate, the right side plate and the bottom plate indulges the extension side of muscle with the waist
To consistent；
The first protrusion is provided on the downside of the reinforced mesh, first protrusion is connect with the bottom plate；The reinforced mesh
Left side and right side be provided with the second protrusion, the second of the left plate and the left side of the reinforced mesh is raised to be connect,
The right side plate connect the left plate and the right side plate and the bottom plate with second protrusion on the right side of the reinforced mesh
The left and right sides connect one by one, to form shell.
2. precast beam according to claim 1, which is characterized in that each reinforced mesh includes be oppositely arranged
One muscle, and extending direction successively spaced multiple second muscle along first muscle；
Left side first muscle is stretched out in the left end of multiple second muscle, and the right end of multiple second muscle stretches out right side institute
State the first muscle；All second muscle are stretched out in the lower end of two first muscle；
The left end of multiple second muscle is connect with the left plate, the right end of multiple second muscle with the right side plate
Connection, the lower end of two first muscle is connect with the bottom plate.
3. precast beam according to claim 2, which is characterized in that the lower end of first muscle, institute is arranged in the first protrusion
The sectional dimension for stating the first protrusion is greater than the sectional dimension of first muscle.
4. precast beam according to claim 3, which is characterized in that the left end of multiple second muscle and right end are respectively provided with
There is second protrusion, the sectional dimension of second protrusion is greater than the sectional dimension of second muscle.
5. precast beam according to claim 4, which is characterized in that first protrusion is direct by the lower end of first muscle
It is upset to form, and/or, the raised left end by second muscle of the second of the left end of second muscle is directly upset to be formed, described
The raised right end by second muscle of the second of the right end of second muscle is directly upset to be formed.
6. precast beam according to claim 2, which is characterized in that the waist indulge muscle be it is multiple, waist is vertical
An intersection of second muscle Yu first muscle is arranged in muscle.
7. precast beam according to claim 1 to 6, which is characterized in that the upper side edge of the left plate does not surpass
The upside of reinforced mesh out.
8. precast beam according to claim 7, which is characterized in that the upper side edge of the right side plate is without departing from reinforced mesh
Upside.
9. precast beam according to claim 1, which is characterized in that the left plate, the right side plate and the bottom plate
It is that concreting forms.
10. precast beam according to claim 1, which is characterized in that further include that muscle is indulged in upper longitudinal bar and lower part；The top
Vertical muscle is threaded through the top of the reinforced mesh group, and the lower part that muscle is threaded through the reinforced mesh group is indulged in the lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075895.5U CN209261049U (en) | 2018-07-06 | 2018-07-06 | Precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075895.5U CN209261049U (en) | 2018-07-06 | 2018-07-06 | Precast beam |
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| Publication Number | Publication Date |
|---|---|
| CN209261049U true CN209261049U (en) | 2019-08-16 |
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ID=67556158
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821075895.5U Active CN209261049U (en) | 2018-07-06 | 2018-07-06 | Precast beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173193A (en) * | 2020-02-17 | 2020-05-19 | 西安建筑科技大学 | Prestressed superposed beam and construction method |
-
2018
- 2018-07-06 CN CN201821075895.5U patent/CN209261049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173193A (en) * | 2020-02-17 | 2020-05-19 | 西安建筑科技大学 | Prestressed superposed beam and construction method |
| CN111173193B (en) * | 2020-02-17 | 2024-02-27 | 西安建筑科技大学 | Prestressed laminated beam and construction method |
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Address after: 102200 Room 302, building 6, 8 Beiqing Road, Changping District, Beijing Patentee after: Beijing Sany Architectural Design Research Co.,Ltd. Address before: 110000 rooms 1701 and 1702, No.92 Shengli South Street, Heping District, Shenyang City, Liaoning Province Patentee before: SHENYANG SANYI BUILDING DESIGN RESEARCH Co.,Ltd. |