CN110499869A - Bracket composite beam and its construction method - Google Patents
Bracket composite beam and its construction method Download PDFInfo
- Publication number
- CN110499869A CN110499869A CN201910874050.5A CN201910874050A CN110499869A CN 110499869 A CN110499869 A CN 110499869A CN 201910874050 A CN201910874050 A CN 201910874050A CN 110499869 A CN110499869 A CN 110499869A
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- formwork
- muscle
- lug boss
- bracket
- stirrup
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- 239000002131 composite material Substances 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000009415 formwork Methods 0.000 claims abstract description 156
- 210000003205 muscle Anatomy 0.000 claims abstract description 115
- 238000000465 moulding Methods 0.000 claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 241000826860 Trapezium Species 0.000 claims description 6
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 5
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
Present disclose provides a kind of bracket composite beams, comprising: formwork, formwork is concrete prefabricated integrally formed structure, and formwork includes the first side form shell, second side formwork, bottom formwork and lug boss；Wherein the first side form shell, second side formwork and bottom formwork constitute U-shaped structure；And boss, on the outside of formwork U-shaped opening end, lug boss is used to support prefabricated components；Concrete-bar component is made of vertical muscle and stirrup mesh sheet, and concrete-bar component is at least partly embedded in formwork, and concrete-bar component and the first side form shell, second side formwork, bottom formwork and lug boss consolidate.The disclosure additionally provides the molding equipment and construction method of a kind of bracket composite beam.The disclosure has the characteristics that safe and reliable, simplified construction, saves consumptive material.
Description
Technical field
This disclosure relates to assembled architecture field more particularly to a kind of bracket composite beam and its construction method.
Background technique
It pushes the key technology research of architectural structure system, architectural design, component component and fitting etc. and application is country
Promote one of building industrialization development and the important measures of building trade transition and upgrade.New assembly-type RC structure all sorts of flowers are neat
It puts, but most of structural system prefabricated components are overweight, live branch modulus is big, live handwork is more, and industrialization degree is low.Especially
It is that layer height be higher, the biggish public building of span needs to set up during on-site construction very intensive vertical supporting system, simultaneously
A large amount of templates are needed, if prefabricated using tradition, the weight of single member is again very big, and the requirement to hanging device is very high, peace
It is slow to fill speed, construction safety is difficult to control.
In this background, we have developed a kind of light construction weight, Novel free formwork and again can with it is large-span prestressed
The prefabricated bracket formwork beam that floor matches, the beam can greatly reduce in-site installation branch modulus, reduce to lifting component,
The requirement of transport apparatus, speed of application is fast, and installation effectiveness is high, meets assembling, standardized building industrialization development trend, is
A new technology in assembled architecture field.
Summary of the invention
At least one of in order to solve the above-mentioned technical problem, present disclose provides a kind of bracket composite beams and its molding to set
Standby, forming method and construction method.
According to one aspect of the disclosure, a kind of bracket composite beam, comprising: formwork, the formwork are concrete prefabricated one
Body formed structure, and the formwork includes the first side form shell, second side formwork, bottom formwork and lug boss；Wherein described
Side formwork, second side formwork and the bottom formwork constitute U-shaped structure；And the boss is in the formwork U
On the outside of type open end and an end face of the lug boss and U-shaped opening are held level with both hands together, and the lug boss is used to support prefabricated components；Steel
Muscle component is made of vertical muscle and stirrup mesh sheet, and the concrete-bar component is at least partly embedded in the formwork, and the reinforcing bar group
Part and the first side form shell, second side formwork, the bottom formwork and the lug boss consolidate.
According at least one embodiment of the disclosure, the lug boss is one or two；The top surface of each lug boss
Hold level with both hands together with U-shaped opening；Or there are certain height differences with U-shaped opening end for the top surface of each lug boss, and hold level with both hands with U-shaped opening
Row.
According at least one embodiment of the disclosure, the lug boss is the structure that cross section is right-angled trapezium, described
Lug boss right angle waist side wall and the formwork U-shaped opening are held level with both hands together, the lug boss long side side wall and the first side form shell or
Second side formwork is integrally formed.The cross section of the lug boss is right-angled trapezium, and the lug boss and U-shaped opening are held level with both hands together
End face be the corresponding end face of right-angle side, and the lug boss at least one side wall and the formwork are integrally formed；Or it is described
The cross section of lug boss is rectangle, and the lug boss at least one side wall and the formwork are integrally formed.
According at least one embodiment of the disclosure, multiple stirrup mesh sheet are along the bracket composite beam length direction
It is alternatively arranged, multiple vertical muscle pass through the stirrup mesh sheet, and the vertical muscle is embedded or part is embedded in the formwork.
According at least one embodiment of the disclosure, the stirrup mesh sheet includes that lug boss stirrup, beam stirrup and beam are drawn
Muscle, the lug boss stirrup are adapted to the cross-sectional shape of two raised cage structures；The beam stirrup is embedded or part is embedded
In the formwork；The beam lacing wire is arranged along the bracket composite beam short transverse interval, the both ends difference of the beam lacing wire
It is fixedly connected with the beam stirrup；
The vertical muscle includes beam bottom muscle, beam waist muscle and lug boss waist muscle, and the beam bottom muscle includes being located at the bottom formwork
On first layer indulge muscle, be embedded in the first side form shell and second side formwork and flat with the bottom formwork medial surface
Neat vertical muscle；The beam waist muscle is arranged in the both ends of the beam lacing wire and the fixed connection place of the beam stirrup, and with the beam
Stirrup is fixedly connected.
According at least one embodiment of the disclosure, the vertical muscle further includes that muscle is indulged in corner, and muscle difference is indulged in two corners
It is embedded in the edge of the bottom putamina and the first side form shell or second side putamina, and the end of muscle is indulged in the corner
Stretch out the putamina.
According to another aspect of the present disclosure, a kind of molding equipment of bracket composite beam, comprising: mold core, the mold core include
Boss and pedestal, multiple boss are alternatively arranged and are detachably connected with the base, phase along the base length direction
Gap is formed between two adjacent boss, the gap is for being embedded in the stirrup mesh sheet；And
Formwork cover outside mold core is set, forms cavity between the formwork cover and the mold core, the cavity is adapted to institute
The shape of bracket composite beam is stated, the side plate that the formwork cover is oppositely arranged by two pieces and the end plate that the side plate both ends are arranged in enclose
It closes, two blocks of side plates are fixedly connected by multiple Screw arbor with nut at both-ends.
According at least one embodiment of the disclosure, side mouth is provided on the boss；And on the end plate
It is provided with the corresponding perforation of cavity between the formwork cover and mold core, the perforation indulges muscle for the bracket composite beam
Pass through.
According to the another aspect of the disclosure, a kind of forming method of bracket composite beam, the forming method is applied to above-mentioned
Molding equipment, place mold core on terrace surface, will stirrup mesh sheet be embedded in boss between gap in；It is inverted formwork and covers in mold core
Cavity is formed between surface, with mold core；Vertical muscle is inserted into the cavity formwork cover and mold core across the hole of end plate, and will
Vertical muscle is fixedly connected with local stirrup mesh sheet；Block the gap between boss；It is poured in cavity between formwork cover and mold core
It is conserved after concrete.
According to the another aspect of the disclosure, a kind of construction method of bracket composite beam, the construction method is applied to above-mentioned
Bracket composite beam, comprising: set up between frame column bracket overlapping boom support；Bracket composite beam is placed extremely between frame column
On bracket；The additional vertical muscle of beam bottom is placed in bracket composite beam cavity；Missing column tie-bar is supplemented at bean column node position, is used
Frame column and bracket are overlapped girder connection and blocked by template；Floor is installed, floor is installed.
According at least one embodiment of the disclosure, after floor is installed, on bracket composite beam concrete-bar component top
Portion penetrates beam top rebars.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the bracket composite beam structural schematic diagram according to embodiment of the present disclosure.
Fig. 2 is the schematic side view that girder construction is overlapped according to the bracket of embodiment of the present disclosure.
Fig. 3 is the side view signal of the bracket overlapping girder construction according to embodiment of the present disclosure boss in the middle part of putamina
Figure.
Fig. 4 is the bottom enlarged diagram that girder construction is overlapped according to the bracket of embodiment of the present disclosure.
Fig. 5 is the stereoscopic schematic diagram that girder construction is overlapped according to the bracket of embodiment of the present disclosure.
Fig. 6 is the schematic diagram according to the bracket composite beam molding equipment of embodiment of the present disclosure.
Fig. 7 is the schematic diagram that mold core constructs in the bracket composite beam molding equipment according to embodiment of the present disclosure.
Fig. 8 is the formwork cover arrangement schematic diagram according to the bracket composite beam molding equipment of embodiment of the present disclosure.
Fig. 9 is the schematic diagram that beam construction method is overlapped according to the bracket of embodiment of the present disclosure.
Appended drawing reference: 1-beam bottom indulges muscle；Indulge muscle in 1a-beam bottom corner；2-beam waist muscle；3-lug boss stirrups；4-beam hoops
Muscle；5-beam lacing wires；6-lug boss waist muscle；The additional vertical muscle of 7-beam bottoms；8-backs indulge muscle；9-lug bosses；10-formwork covers；
11-side plates；12-Screw arbor with nut at both-ends；13-end plates；14-perforation；20-mold cores；21-boss；22-pedestals；It opens 23-sides
Mouthful；30-concrete-bar components；31-stirrup mesh sheet；40-frame columns；41-brackets overlap boom support；42-bean column node stirrups；
50-gaps；
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
According to the first embodiment of the disclosure, a kind of bracket composite beam is provided, comprising: formwork, formwork are concrete
Prefabricated integrally formed structure, and formwork includes the first side form shell, second side formwork, bottom formwork and lug boss；Wherein first
Side form shell, second side formwork and bottom formwork constitute U-shaped structure, and the cavity of U-shaped structure middle section makes bracket composite beam
Weight is smaller, and when frame beam section is larger, arrangement of reinforcement is more, weight advantage and rear slotting bottom muscle advantage are more obvious, works as stress
When larger, condition also is reserved for arrangement prestress reinforcing bar, slotting bottom reinforcement bars can well solve installation Shi Yuzhu reinforcing bar afterwards
The problem of interference；And boss is on the outside of the formwork U-shaped opening end, lug boss be used to support pre-member (such as floor, including
Pre-stress floor, large span T plate etc.), the lug boss (i.e. concrete bracket) in formwork two sides, position and size are by floor
Height and its load transmitted determine；Concrete-bar component is made of vertical muscle and stirrup mesh sheet, and concrete-bar component is at least partly embedded in mould
In shell, and concrete-bar component is fixedly connected with the first side form shell, second side formwork, bottom formwork and lug boss.
Optionally, lug boss is two, and is located at the two sides at formwork U-shaped opening end, such as the first side form shell top
Outside and second side formwork top outside.The lug boss that bracket composite beam two sides are stretched out, can meet precast floor slab, especially
The pre-stress floor demanding to support, greatly across the secure support of T plate.Optionally, lug boss top surface (refers to lug boss top
End surface is used to support the end face of prefabricated components) hold level with both hands together with U-shaped opening, also optionally, lug boss top surface with formwork is U-shaped opens
Mouth end has difference in height and top surface and U-shaped opening hold row level with both hands.It, will since top overlapping portion concrete needs live supporting module to pour
Prolong (i.e. boss is on the outside of formwork U-shaped opening end and first end face is located at U-shaped opening end lower part) on the form boarding of two sides, is formed
Formwork for placing avoids cast in situs formwork.
Optionally, according to actual needs, lug boss can also be one, outside or the second side form positioned at the first side form shell
The outside of shell is used for outermost bracket composite beam, and provides the support of precast floor slab one end.
Optionally, the cross-sectional shape of above-mentioned lug boss is right-angled trapezium, wherein each lug boss right-angle side (straight waist) is right
The end face answered all is held level with both hands with formwork U-shaped opening together, and lug boss long side side wall and the first side form shell or second side formwork are integrally formed
Structure, can also be with lug boss short side side wall and the first side form shell or the integrally formed structure of second side formwork.This structure will
It is transmitted downwards from the load from floor on the frame column below composite beam.Optionally, the cross-sectional shape of lug boss
Also it can hold neat sector etc. level with both hands for triangle, a line and formwork U-shaped opening.Also optionally, the cross section of lug boss is rectangle,
Wherein the corresponding end face of the long side of each lug boss is held level with both hands together with formwork U-shaped opening, the corresponding end face of short side and the first side
Formwork or the integrally formed structure of second side formwork；It can also the wherein corresponding end face of a short side of each lug boss and mould
Shell U-shaped opening is held level with both hands together, the corresponding end face of one of long side and the first side form shell or the integrally formed structure of second side formwork.
Optionally, the cross-sectional shape of above-mentioned lug boss is square, wherein at least one end face of each lug boss and formwork U-shaped opening
Hold level with both hands neat.
Optionally, concrete-bar component includes multiple stirrup mesh sheet and multiple vertical muscle, and plurality of stirrup mesh sheet is overlapped along bracket
Beam length direction is alternatively arranged, and stirrup mesh sheet at least part is embedded in the first side form shell, second side formwork and bottom formwork,
And stirrup mesh sheet one end extend formwork U-shaped opening end as go out muscle portion, out muscle portion be for floor lifting after the completion of
The intensity of overlap joint enhancing connecting node is formed at beam slab connecting node.Also optionally, stirrup mesh sheet one end does not extend out formwork U
Type open end.Plurality of vertical muscle passes through stirrup mesh sheet and is fixedly connected with stirrup mesh sheet, and vertical muscle is embedded or part is embedded
In formwork.
Wherein stirrup mesh sheet includes lug boss stirrup, beam stirrup and beam lacing wire, and lug boss stirrup is adapted to two lug boss structures
The cross-sectional shape made, optionally, when only the first side form shell have lug boss when, the shape of lug boss stirrup then with lug boss
It is consistent with the planform that second side formwork is formed；Beam stirrup is then buried or part is embedded in the first side form shell, second side formwork
In the formwork of bottom；Beam lacing wire along bracket composite beam short transverse interval be arranged, optionally, the both ends of beam lacing wire respectively with beam hoop
Muscle is fixedly connected, and two ends of beam lacing wire are respectively arranged with bending and beam stirrup is fixed together and anchors into first respectively
In side form shell and second side formwork.
Wherein indulging muscle includes beam bottom muscle, beam waist muscle and lug boss waist muscle, and beam bottom muscle includes first on the formwork of bottom
The vertical muscle of layer, be embedded in the first side form shell and second side formwork and with bottom formwork medial surface (i.e. U-shaped structure cavity inner bottom surface)
The concordant second layer indulges muscle, such as two vertical muscle being embedded in the first side form shell and second side formwork；Beam waist muscle is arranged in beam
The both ends of lacing wire and the fixed connection place of beam stirrup, and be fixedly connected with beam stirrup, such as binding, welding or mechanical connection etc..
When one end that beam stirrup stretches out formwork is provided with beam lacing wire, can also it be arranged at the both ends of beam lacing wire and the fixed connection place of beam stirrup
Beam waist muscle.
Optionally, formwork is stretched out in two ends that muscle is indulged in outermost two corners of beam bottom muscle, and during the installation process
It anchors into frame column, and beam waist muscle, beam bottom muscle are embedded in formwork, end is not stretched out (to be inserted into after in installation process
Except vertical muscle), such as beam bottom positioned at U-shaped structure soffit indulges muscle and applying positioned at the back muscle for going out muscle portion top of beam stirrup
Work scene is placed in beam shell cavity, and muscle is indulged in cavity and is also anchored into inside frame column according to related specifications.
The bracket composite beam formwork inner concrete that the disclosure provides pours at the scene, can greatly reduce in-site installation formwork
Amount, speed of application is fast, and installation effectiveness is high, and assembly rate and building-site mechanized construction degree can be improved, meet assembling, standard
The building industrialization development trend of change is the new technology that assembled architecture field develops in recent years.Its major design method
It is equal to cast-in-place structural, comprehensive performance is suitable with common cast-in-place concrete Vierendeel girder, has safe and reliable, simplified construction, saves
Consumptive material reduces the features such as fugitive dust and building waste, has the stronger market competitiveness.
The disclosure additionally provides a kind of molding equipment of bracket composite beam, including mold core, and mold core includes boss and pedestal, more
A boss is alternatively arranged along base length direction and is detachably connected with pedestal, forms gap between two adjacent boss,
For being embedded in stirrup mesh sheet the gap of identical quantity is arranged, for embedding in gap according to bracket composite beam stirrup spacing between boss
Enter beam stirrup mesh sheet；
Molding equipment further includes the formwork cover being arranged in outside mold core, and cavity, the shape of cavity are formed between formwork cover and mold core
Shape is consistent with the shape of bracket composite beam, and the side plate that formwork cover is oppositely arranged by two pieces and the end plate that side plate both ends are arranged in enclose
Form, two blocks of side plates are fixedly connected by multiple Screw arbor with nut at both-ends, prevent it is excessive in casting concrete backside pressure so that formwork cover
Disintegrate, the end plate of two pieces of closure is respectively set at both ends, forms closed structure.Optionally, it is respectively arranged on two end plates
It perforates, at the corresponding position of cavity being arranged between formwork cover and mold core of perforating, is used to indulge muscle across bracket composite beam.It can
Selection of land is additionally provided with side mouth on boss, is conducive to the weight for mitigating mold core, convenient for construction.
The disclosure additionally provides a kind of bracket composite beam molding method of above-mentioned molding equipment, and pedestal and boss are connected
It is placed on terrace surface, it will be in the every stirrup mesh sheet insertion boss gap of bracket composite beam.It is inverted formwork and covers in core surface,
Cavity is formed between mold core.Along mold core extending direction, through the perforation of end plate out of, cavity between formwork cover and mold core
It is inserted into bracket composite beam and indulges muscle.And vertical muscle and local stirrup mesh sheet are bound as molding steel reinforcement cage.It (such as is sealed using plug
Glue etc.) gap is blocked and is completed.It is poured flowing concrete into cavity, forms molding bracket after concrete coagulation, maintenance
Composite beam prefabricated components.
The disclosure additionally provides a kind of construction method of bracket composite beam, frame column after the installation is completed, between frame column
Set up bracket overlapping boom support.Bracket sets up completion, lifts bracket composite beam.After the lifting of bracket composite beam is in place, by beam residue
Reinforcing bar is penetrated in composite beam cavity by column side.Missing column tie-bar is supplemented at bean column node position.It will using sizing aluminum alloy pattern plate
Column and bracket overlapping girder connection block.Floor is lifted, floor is installed, beam top rebars are penetrated at the top of bracket composite beam,
Bracket composite beam installs.
The prefabricated bracket composite beam of the offer of the disclosure, 1) outboard template, formwork type beam itself can be exempted when construction
Have certain rigidity, vertical supporting can be reduced.2) be cavity among prefabricated components, weight is reduced, when frame beam section is larger,
When arrangement of reinforcement is more, weight advantage and rear slotting bottom muscle advantage are more obvious, also pre- for arrangement prestress reinforcing bar when stress is larger
Condition is stayed, slotting bottom reinforcement bars can well solve the problem of installation Shi Yuzhu reinforcing bar is interfered afterwards.3) Prefabricated superposed beam two sides
Bracket is stretched out, precast floor slab can be met, big pre-stress floor especially is required to support, greatly across the secure support of T plate；4)
Integrality performance of the structure is equal to cast-in-place structural, has safe and reliable, simplified construction, saves consumptive material, reduces fugitive dust and building waste
The features such as, there is the stronger market competitiveness.
It is explained in detail below in conjunction with structure of the specific embodiment to above-mentioned bracket composite beam.
Fig. 1 shows bracket composite beam schematic diagram of internal structure, bracket composite beam, including concrete prefabricated integrally formed
Formwork and concrete-bar component, wherein formwork includes the first side form shell, second side formwork, bottom formwork and lug boss 9, the first side form
Shell, second side formwork and bottom formwork form U-shaped structure.Two lug bosses 9 are located at formwork U-shaped opening end outside and one
A end face and U-shaped opening are held level with both hands together.The cavity of U-shaped structure middle section makes the weight of bracket composite beam smaller, works as Vierendeel girder
When section is larger, arrangement of reinforcement is more, weight advantage and rear slotting bottom muscle advantage are more obvious, also pre- to arrange when stress is larger
The problem of stress reinforcing bar has reserved condition, and slotting bottom reinforcement bars can well solve installation Shi Yuzhu reinforcing bar interference afterwards.In formwork
The lug boss of two sides, position and size are determined by floor height and its load transmitted.
The lug boss 9 that bracket composite beam two sides are stretched out, can meet precast floor slab, especially demanding to support pre- to answer
Power floor, greatly across the secure support of T plate.
As an example, as shown in Figure 1,9 cross-sectional shape of lug boss can be right-angled trapezium, the wherein straight waist end of lug boss 9
Face is all held level with both hands with formwork U-shaped opening together, lug boss long side end face and the first side form shell or the integrally formed structure of second side formwork.
This structure will be transmitted downwards from the load from floor on the frame column below composite beam.Optionally, lug boss
Cross-sectional shape can also hold neat sector etc. level with both hands for triangle, a line and formwork U-shaped opening.Also optionally, section of lug boss
Face shape is rectangular or square.
As shown in Fig. 2, lug boss 9 is two, and the two sides at formwork U-shaped opening end are located at, such as the first side form shell
The outside on top and the outside on second side formwork top.The lug boss 9 that bracket composite beam two sides are stretched out, can meet precast floor slab,
Especially demanding to support pre-stress floor, greatly across the secure support of T plate.9 first end face of lug boss (refers to protrusion
Portion's top end surface is used to support the end face of prefabricated components) hold level with both hands together with U-shaped opening；As shown in figure 3, lug boss 9 may be located on
On the outside of formwork U-shaped opening end and its first end face is located at U-shaped opening end lower part.Since top overlapping portion concrete needs scene to install
Template pours, and will prolong that (i.e. boss is on the outside of the formwork U-shaped opening end and first end face is located at U-shaped opening on the form boarding of two sides
Hold lower part), formwork for placing is formed, cast in situs formwork is avoided.
As shown in Figures 1 to 4, concrete-bar component includes multiple stirrup mesh sheet and multiple vertical muscle, and plurality of stirrup mesh sheet is along ox
Leg composite beam length direction is alternatively arranged.Stirrup mesh sheet at least part is embedded in the first side form shell, second side formwork and bottom
In formwork, and stirrup mesh sheet at least one end extends formwork U-shaped opening end as muscle portion is gone out, and muscle portion is hung for floor out
The intensity of overlap joint enhancing connecting node is formed after the completion of dress at beam slab connecting node.Plurality of vertical muscle pass through stirrup mesh sheet and
It is fixedly connected with stirrup mesh sheet, and vertical muscle is embedded or part is embedded in formwork.
As shown in Figure 1, stirrup mesh sheet includes lug boss stirrup 3, beam stirrup 4 and beam lacing wire 5, vertical muscle includes beam bottom muscle 1, beam
Waist muscle 2 and lug boss waist muscle 6, as shown in Figures 2 to 4, in the installation stage, vertical muscle further includes the additional vertical muscle 7 of beam bottom and beam
Vertical muscle 8 is pushed up, indulging in muscle in the beam bottom in beam bottom corner positions includes that muscle 1a is indulged in beam bottom corner, and the end that muscle 1a is indulged in beam bottom corner is stretched
It is anchored into frame column outside formwork and in erection stage out.The shape of lug boss stirrup 3 and the shape of lug boss 9 match, beam
Stirrup 4 is then buried or part is embedded in the first side form shell, second side formwork and bottom formwork；Beam lacing wire 5 is then overlapped along bracket
The setting of depth of beam direction interval, and there is enhancing bending to be fixed together with beam stirrup 4 at the both ends of beam lacing wire 5, and anchor
Enter in the first side form shell and second side formwork.Lug boss waist muscle 6 is then located at the short side that 9 cross-sectional shape of lug boss is right-angled trapezium
Two edges.
As shown in Figures 1 to 4, beam bottom muscle 1 includes that the first layer that is embedded on the formwork of bottom indulges muscle (including formwork is stretched out in end
Outer beam bottom corner indulge muscle 1a), further include be embedded in the first side form shell and second side formwork and with bottom formwork medial surface (i.e.
U-shaped structure cavity inner bottom surface) the concordant second layer indulges muscle, such as two vertical muscle on the beam bottom corner top Zong Jin1a.Beam waist muscle 2
The both ends of beam lacing wire 5 and the fixed connection place of beam stirrup 4 are set, and are fixedly connected with beam stirrup 4, for example, binding, welding or
Mechanical connection etc..As shown in Fig. 2, when one end that beam stirrup 4 stretches out formwork is provided with beam lacing wire 5, both ends and beam in beam lacing wire 5
Beam waist muscle 2 can be also arranged in the fixed connection place of stirrup.
As shown in Fig. 2, other than formwork is stretched out in two ends that muscle 1a is indulged in 1 outermost two corner of beam bottom muscle,
Remaining 2 muscle of beam waist, beam bottom muscle 1 are embedded in formwork and do not stretch out, during subsequent installation, positioned at U-shaped structure cavity floor
Beam bottom indulges muscle 7 and the back muscle 8 for going out muscle portion top positioned at beam stirrup, is inserted into beam bottom cavity and back stirrup at the construction field (site)
And have extension, muscle 7, which is indulged, according to the beam bottom of related specifications beam bottom cavity anchors into inside frame column, and the extension anchor of back muscle 8
Enter in corresponding subsequent connecting node.
The disclosure additionally provides a kind of molding equipment of bracket composite beam, as shown in Fig. 7 to 8, including mold core 20 and formwork
Cover 10, mold core 20 include boss 21 and pedestal 22, multiple boss 21 be alternatively arranged along 22 length direction of pedestal and with pedestal 22
It is detachably connected, forms gap 50 between two adjacent boss 21, gap 50 is pressed between boss 21 for being embedded in stirrup mesh sheet
The gap of identical quantity is set according to bracket composite beam stirrup spacing, for being embedded in beam stirrup mesh sheet；Formwork cover 10 is arranged in mold core
20 outsides, form cavity, the shape of cavity is consistent with the shape of bracket composite beam between formwork cover 10 and mold core 20.Formwork cover 10
The side plate being oppositely arranged by two pieces and the end plate 13 that side plate both ends are arranged in enclose, and two blocks of side plates pass through multiple Screw arbor with nut at both-ends
12 are fixedly connected, prevent it is excessive in casting concrete backside pressure so that formwork cover disintegrate.Optionally, on two end plates 13
It is respectively arranged with perforation 14, at the corresponding position of cavity that 14 are arranged between formwork cover 10 and mold core 20 of perforating, for wearing
It crosses bracket composite beam and indulges muscle.Optionally, it is additionally provided with side mouth 23 on boss 21, is conducive to the weight for mitigating mold core, just
In construction.
The disclosure additionally provides a kind of forming method of bracket composite beam, using molding die, using inverted producer
Formula is produced.Pedestal 22 and the connection of boss 21 are placed on terrace surface, every stirrup mesh sheet of bracket composite beam is embedded in
In 21 gap 50 of boss.Formwork cover 10 is inverted in 20 surface of mold core, forms cavity between mold core 20.Along 20 side of extension of mold core
To, be inserted into out of cavity between formwork cover and mold core by the perforation 14 of end plate 13 bracket composite beam indulge muscle.And by vertical muscle with
Local stirrup mesh sheet binding is molding steel reinforcement cage.Gap 50 is blocked using plug (such as sealant etc.) and is completed.To cavity
Interior casting flowing concrete forms molding bracket composite beam prefabricated components after concrete coagulation, maintenance.
The disclosure additionally provides a kind of construction method of bracket composite beam, as shown in figure 8, frame column 40 is after the installation is completed,
Bracket overlapping boom support 41 is set up between frame column 40.Bracket 41 sets up completion, lifts bracket composite beam.Bracket composite beam is hung
To after on bracket 41, the additional vertical muscle 7 of beam bottom is penetrated in composite beam cavity by frame column side in place for dress.In bean column node portion
Position supplement missing bean column node stirrup 42.Column and bracket girder connection is overlapped using sizing aluminum alloy pattern plate to block.Lift floor, floor
It is installed, back is penetrated at the top of bracket composite beam and indulges muscle 8.Bracket composite beam installs.
In the description of this specification, reference term " one embodiment/mode ", " some embodiment/modes ", " show
The description of example ", " specific example " or " some examples " etc. mean to combine the specific features of the embodiment/mode or example description,
Structure, material or feature are contained at least one embodiment/mode or example of the application.In the present specification, to upper
The schematic representation for stating term is necessarily directed to identical embodiment/mode or example.Moreover, the specific features of description,
Structure, material or feature can be combined in any suitable manner in any one or more embodiment/modes or example.In addition,
Without conflicting with each other, those skilled in the art can by different embodiment/modes described in this specification or
Example and different embodiment/modes or exemplary feature are combined.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Claims (10)
1. a kind of bracket composite beam characterized by comprising
Formwork, the formwork is concrete prefabricated integrally formed structure, and the formwork includes the first side form shell, the second side form
Shell, bottom formwork and lug boss；
Wherein the first side form shell, second side formwork and the bottom formwork constitute U-shaped structure；And
For the boss on the outside of formwork U-shaped opening end, the lug boss is used to support prefabricated components；
Concrete-bar component is made of vertical muscle and stirrup mesh sheet, and the concrete-bar component is at least partly embedded in the formwork, and described
Concrete-bar component and the first side form shell, second side formwork, the bottom formwork and the lug boss consolidate.
2. bracket composite beam as described in claim 1, which is characterized in that the lug boss is one or two；
The top surface of each lug boss and U-shaped opening are held level with both hands together；Or
There are certain height differences with U-shaped opening end for the top surface of each lug boss, and hold row level with both hands with U-shaped opening.
3. bracket composite beam as claimed in claim 2, which is characterized in that
The cross section of the lug boss is right-angled trapezium, and it is that right-angle side is corresponding that the lug boss, which holds neat end face level with both hands with U-shaped opening,
End face, and the lug boss at least one side wall and the formwork are integrally formed；Or
The cross section of the lug boss is rectangle, and the lug boss at least one side wall and the formwork are integrally formed.
4. bracket composite beam as described in claim 1, which is characterized in that
Multiple stirrup mesh sheet are alternatively arranged along the bracket composite beam length direction, and multiple vertical muscle pass through the stirrup
Mesh sheet, and the vertical muscle is embedded or part is embedded in the formwork.
5. bracket composite beam as claimed in claim 4, which is characterized in that
The stirrup mesh sheet includes lug boss stirrup, beam stirrup and beam lacing wire, and the lug boss stirrup is adapted to two protrusions
The cross-sectional shape of cage structure；The beam stirrup is embedded or part is embedded in the formwork；The beam lacing wire is along the bracket
The setting of composite beam short transverse interval, the beam stirrup is held at the both ends of the beam lacing wire respectively；
The vertical muscle includes beam bottom muscle, beam waist muscle and lug boss waist muscle, and the beam bottom muscle includes being located on the bottom formwork
First layer indulges muscle, be embedded in the first side form shell and second side formwork in and it is concordant with the bottom formwork medial surface
Vertical muscle；The beam waist muscle is arranged in the both ends of the beam lacing wire and the fixed connection place of the beam stirrup, and with the beam stirrup
It is fixedly connected.
6. bracket composite beam as claimed in claim 5, which is characterized in that the vertical muscle further includes that muscle, two corners are indulged in corner
Vertical muscle is embedded in the edge of the bottom putamina and the first side form shell or second side putamina respectively, and the corner is vertical
The putamina is stretched out in the end of muscle.
7. such as the molding equipment of bracket composite beam as claimed in any one of claims 1 to 6 characterized by comprising
Mold core, the mold core include boss and pedestal, multiple boss be alternatively arranged along the base length direction and with
The pedestal is detachably connected, and gap is formed between two adjacent boss, the gap is for being embedded in the stirrup net
Piece；And
Formwork cover outside mold core is set, forms cavity between the formwork cover and the mold core, the cavity is adapted to the ox
The shape of leg composite beam, side plate that the formwork cover is oppositely arranged by two pieces and the end plate that the side plate both ends are set enclose and
At two blocks of side plates are fixedly connected by multiple Screw arbor with nut at both-ends.
8. molding equipment as claimed in claim 7, which is characterized in that
Side mouth is provided on the boss；And
The corresponding perforation of cavity between the formwork cover and mold core is provided on the end plate, the perforation is for described
Bracket composite beam indulges passing through for muscle.
9. a kind of construction method of bracket composite beam, which is characterized in that the construction method is applied to as claimed in claim 5
Bracket composite beam, comprising:
Bracket overlapping boom support is set up between frame column；
It is placed on bracket composite beam to bracket between frame column；
The additional vertical muscle of beam bottom is placed in bracket composite beam cavity；
Missing column tie-bar is supplemented at bean column node position, frame column and bracket are overlapped by girder connection using template and blocked；
Floor is installed, floor is installed.
10. construction method as claimed in claim 9, which is characterized in that after floor is installed, overlap beam steel in bracket
Beam top rebars are penetrated at the top of component.
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| CN201910874050.5A CN110499869A (en) | 2019-09-17 | 2019-09-17 | Bracket composite beam and its construction method |
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| CN201910874050.5A CN110499869A (en) | 2019-09-17 | 2019-09-17 | Bracket composite beam and its construction method |
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| CN111502118A (en) * | 2020-04-14 | 2020-08-07 | 中铁第四勘察设计院集团有限公司 | Assembled combination beam and beam slab node |
| CN111519758A (en) * | 2020-04-14 | 2020-08-11 | 中铁第四勘察设计院集团有限公司 | Assembled beam column node |
| CN111663559A (en) * | 2020-05-29 | 2020-09-15 | 中国五冶集团有限公司 | Construction method of connection node structure of stamping equipment foundation and terrace |
| CN115573597A (en) * | 2022-11-02 | 2023-01-06 | 中铁建工集团有限公司 | Fully-assembled concrete canopy and construction method thereof |
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Address after: 102206 1st floor, building 6, 8 Beiqing Road, Huilongguan town, Changping District, Beijing Applicant after: Sany Construction Technology Co.,Ltd. Address before: Room 301, building 6, No. 8, Beiqing Road, Huilongguan town, Changping District, Beijing Applicant before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |
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Application publication date: 20191126 |