CN210976322U - Bracket superposed beam and forming equipment thereof - Google Patents
Bracket superposed beam and forming equipment thereof Download PDFInfo
- Publication number
- CN210976322U CN210976322U CN201921538103.8U CN201921538103U CN210976322U CN 210976322 U CN210976322 U CN 210976322U CN 201921538103 U CN201921538103 U CN 201921538103U CN 210976322 U CN210976322 U CN 210976322U
- Authority
- CN
- China
- Prior art keywords
- formwork
- stirrup
- corbel
- embedded
- longitudinal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a bracket superposed beam and former thereof. Wherein, bracket superposed beam includes: the formwork is of a concrete prefabricated integrally-formed structure and comprises a first side formwork, a second side formwork, a bottom formwork and a convex part; wherein the first side formwork, the second side formwork and the bottom formwork form a U-shaped structure; the bulge is positioned on the outer side of the U-shaped opening end of the formwork and used for supporting the prefabricated part; the reinforcing steel bar assembly is composed of longitudinal bars and a stirrup net piece, at least part of the reinforcing steel bar assembly is embedded in the formwork, and the reinforcing steel bar assembly is fixedly connected with the first side formwork, the second side formwork, the bottom formwork and the protruding portion. The utility model has the characteristics of safe and reliable, simplify the construction, practice thrift consumptive material etc.
Description
Technical Field
The utility model relates to an assembly type structure field especially relates to a bracket superposed beam.
Background
The key technical research and application for promoting aspects such as building structure systems, building design, component parts and the like is one of the important measures for the nation to promote the industrialized development of buildings and the transformation and upgrading of the building industry. The novel assembly type structure system is arranged in a hundred flowers, but most of the prefabricated components of the structure system are overweight, large in on-site support modulus, large in on-site manual work and low in industrialization degree. Particularly, a very dense vertical supporting system needs to be erected when public buildings with higher floor heights and larger spans are constructed on site, a large number of templates are needed, and if traditional prefabrication is adopted, the weight of a single component is very large, the requirement on hoisting equipment is very high, the installation speed is slow, and the construction safety is difficult to control.
Under the background, an assembled prefabricated bracket formwork beam which is light in component weight, free of formwork support and capable of being matched with a large-span prestressed floor slab is developed, the beam can greatly reduce the on-site installation support modulus, requirements on component hoisting and transportation equipment are reduced, the construction speed is high, the installation efficiency is high, the assembled prefabricated bracket formwork beam conforms to the industrialized development trend of assembled and standardized buildings, and the assembled prefabricated bracket formwork beam is a new technology in the field of assembled buildings.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present disclosure provides a corbel folding beam and a molding apparatus thereof.
According to an aspect of the present disclosure, a leg composite beam includes: the formwork is of a concrete prefabricated integrally-formed structure and comprises a first side formwork, a second side formwork, a bottom formwork and a convex part; wherein the first side formwork, the second side formwork and the bottom formwork form a U-shaped structure; the bulge is positioned on the outer side of the U-shaped opening end of the formwork, one end face of the bulge is flush with the U-shaped opening end, and the bulge is used for supporting the prefabricated part; the reinforcing steel bar assembly is composed of longitudinal bars and a stirrup net piece, at least part of the reinforcing steel bar assembly is embedded in the formwork, and the reinforcing steel bar assembly is fixedly connected with the first side formwork, the second side formwork, the bottom formwork and the protruding portion.
According to at least one embodiment of the present disclosure, the number of the protruding portions is one or two, and a top surface of each protruding portion is flush with the U-shaped open end.
According to at least one embodiment of the present disclosure, the number of the protruding portions is one or two, and a top surface of each protruding portion has a certain height difference with the U-shaped open end and is parallel to the U-shaped open end.
According to at least one embodiment of this disclosure, the protruding portion is a structure with a right trapezoid cross section, the side wall of the right-angled waist of the protruding portion is flush with the U-shaped open end of the formwork, and the side wall of the long side of the protruding portion is integrally formed with the first side formwork or the second side formwork. The cross section of the bulge part is in a right trapezoid shape, the end face of the bulge part, which is flush with the U-shaped open end, is an end face corresponding to a right-angle side, and at least one side wall of the bulge part is integrally formed with the formwork;
according to at least one embodiment of the present disclosure, the cross section of the protrusion is rectangular, and at least one sidewall of the protrusion is integrally formed with the formwork.
According to at least one embodiment of the present disclosure, the plurality of stirrup net pieces are arranged at intervals along the length direction of the corbel composite beam, the plurality of longitudinal bars penetrate through the stirrup net pieces, and the longitudinal bars are buried or partially buried in the formwork.
According to at least one embodiment of the present disclosure, the stirrup web comprises a boss stirrup, a beam stirrup, and a beam tie bar, the boss stirrup adapting to the cross-sectional shape of the two boss configurations; the beam stirrups are embedded or partially embedded in the formwork; the beam lacing wires are arranged at intervals along the height direction of the bracket superposed beam, and two ends of the beam lacing wires are respectively fixedly connected with the beam stirrups;
the longitudinal ribs comprise beam bottom ribs, beam waist ribs and protruding part waist ribs, and the beam bottom ribs comprise a first layer of longitudinal ribs positioned on the bottom formwork and longitudinal ribs which are embedded in the first side formwork and the second side formwork and are flush with the inner side surface of the bottom formwork; the beam waist rib is arranged at the fixed connection part of the two ends of the beam lacing wire and the beam stirrup and is fixedly connected with the beam stirrup.
According to at least one embodiment of the present disclosure, the longitudinal ribs further include corner longitudinal ribs, two corner longitudinal ribs are embedded at corners of the bottom formwork and the first side formwork or the second side formwork, respectively, and ends of the corner longitudinal ribs extend out of the formwork.
According to another aspect of the present disclosure, a molding apparatus of a leg-folded beam includes: the mold core comprises bosses and a base, the bosses are arranged at intervals along the length direction of the base and are detachably connected with the base, a gap is formed between every two adjacent bosses, and the gap is used for embedding the stirrup meshes; and
the mould shell cover of setting outside the mold core, the mould shell cover with form the cavity between the mold core, the cavity adaptation the shape of bracket coincide roof beam, the mould shell cover is in by the curb plate of two relative settings and setting the end plate at curb plate both ends encloses to close and forms, two the curb plate is through a plurality of split screw fixed connection.
According to at least one embodiment of the present disclosure, a side opening is provided on the boss; and the end plate is provided with a through hole corresponding to the cavity between the mold shell cover and the mold core, and the through hole is used for the longitudinal rib of the bracket superposed beam to pass through.
According to another aspect of the disclosure, a method for forming a corbel composite beam is applied to the forming device, a mold core is placed on the ground surface, and a stirrup net piece is embedded into the gaps between bosses; the inverted mold shell covers the surface of the mold core, and a cavity is formed between the inverted mold shell and the mold core; inserting longitudinal bars into a cavity between the formwork cover and the mold core through the holes of the end plates, and fixedly connecting the longitudinal bars with the local stirrup net sheets; plugging gaps among the bosses; and (5) curing after concrete is poured in the cavity between the formwork cover and the mold core.
According to another aspect of the present disclosure, a construction method of a corbel composite beam, which is applied to the corbel composite beam, includes: erecting a bracket superposed beam bracket between the frame columns; placing a bracket superposed beam between the frame columns and the support; placing the beam bottom additional longitudinal ribs in the cavity of the bracket superposed beam; supplementing missing column stirrups at the beam column joint part, and plugging the frame column and bracket superposed beam joint by adopting a template; and (5) installing the floor slab, and finishing the installation of the floor slab.
According to at least one embodiment of the present disclosure, after the floor slab installation is completed, beam top rebars are penetrated at the top of the corbel overlapping beam rebar assembly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural view of a corbel composite beam according to an embodiment of the present disclosure.
Fig. 2 is a side view schematic of a corbel composite beam structure according to an embodiment of the present disclosure.
FIG. 3 is a side view of a corbel overlapping beam configuration with a projection in the middle of the formwork according to an embodiment of the present disclosure.
Fig. 4 is an enlarged bottom schematic view of a corbel overlapping beam structure according to an embodiment of the present disclosure.
Fig. 5 is a schematic perspective view of a corbel overlapping beam structure according to an embodiment of the present disclosure.
Fig. 6 is a schematic view of a corbel composite beam forming apparatus according to an embodiment of the present disclosure.
Fig. 7 is a schematic view of a die core configuration in a corbel composite beam molding apparatus according to an embodiment of the present disclosure.
Fig. 8 is a schematic view of a formwork cover configuration of a corbel overlapping beam forming apparatus according to an embodiment of the present disclosure.
Fig. 9 is a schematic view of a corbel composite beam construction method according to an embodiment of the present disclosure.
Reference numerals: 1-beam bottom longitudinal bar; 1 a-longitudinal ribs at the bottom corner of the beam; 2-beam waist tendon; 3-bulge stirrup; 4-beam stirrups; 5, beam lacing wire; 6-waist rib of convex part; 7, adding longitudinal ribs at the bottom of the beam; 8-beam top longitudinal ribs; 9-a boss; 10-a mold shell cover; 11-side plate; 12-oppositely pulling the screw rod; 13-an end plate; 14, punching; 20, a mold core; 21-a boss; 22-a base; 23-side opening; 30-a rebar assembly; 31-stirrup net sheet; 40-frame columns; 41-bracket superposed beam support; 42-beam column joint stirrup; 50-gap.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
According to a first embodiment of the present disclosure, there is provided a leg superposed beam including: the formwork is of a concrete prefabricated integrally-formed structure and comprises a first side formwork, a second side formwork, a bottom formwork and a convex part; the first side formwork, the second side formwork and the bottom formwork form a U-shaped structure, a cavity in the middle of the U-shaped structure enables the weight of the bracket superposed beam to be smaller, when the section of the frame beam is larger and the number of reinforcing bars is larger, the weight advantage and the advantage of the rear inserted bottom bar are more obvious, when the stress is larger, conditions are reserved for arranging prestressed steel bars, and the problem of interference between the rear inserted bottom bar and column steel bars during installation can be well solved; the bulge parts are positioned at the outer side of the U-shaped opening end of the formwork and are used for supporting prefabricated components (such as floor slabs, including prestressed floor slabs, large-span double T-shaped slabs and the like), and the positions and the sizes of the bulge parts (namely concrete corbels) at the two sides of the formwork are determined by the height of the floor slabs and the load transmitted by the floor slabs; the reinforcing steel bar assembly is composed of longitudinal bars and a stirrup net piece, at least part of the reinforcing steel bar assembly is embedded in the formwork, and the reinforcing steel bar assembly is fixedly connected with the first side formwork, the second side formwork, the bottom formwork and the protruding portion.
Optionally, there are two protrusions, each on either side of the U-shaped open end of the formwork, e.g., outside the top of the first side formwork and outside the top of the second side formwork. The protruding parts extending out of the two sides of the bracket superposed beam can meet the requirements of precast floor slabs, particularly the reliable support of prestressed floor slabs and long-span double T-shaped slabs with high requirements on supports. Optionally, the top surface of the protrusion (i.e., the top end surface of the protrusion for supporting the prefabricated member) is flush with the U-shaped opening end, and further optionally, the top surface of the protrusion has a height difference with the U-shaped opening end of the formwork and is parallel to the U-shaped opening end. Because the concrete of the upper overlapped part needs to be cast by erecting a formwork on site, the formwork shell plates at two sides are extended upwards (namely, the convex part is positioned at the outer side of the U-shaped opening end of the formwork and the first end surface is positioned at the lower part of the U-shaped opening end) to form the cast formwork, and the cast formwork is avoided being cast on site.
Optionally, one projection may be provided on the outer side of the first side formwork or the outer side of the second side formwork for the outermost corbel overlapping beam and providing support for one end of the precast floor slab, according to actual needs.
Optionally, the cross section of the protrusion is in the shape of a right trapezoid, wherein the end surface corresponding to the right-angled side (straight waist) of each protrusion is flush with the U-shaped open end of the formwork, and the long-side sidewall of the protrusion is integrally formed with the first side formwork or the second side formwork, or the short-side sidewall of the protrusion is integrally formed with the first side formwork or the second side formwork. This structure will transfer the load from the floor slab down to the frame post below the composite beam. Alternatively, the cross-sectional shape of the convex part can be a triangle, a sector with one side flush with the U-shaped open end of the formwork, and the like. Optionally, the cross section of each protrusion is rectangular, wherein the end surface corresponding to the long side of each protrusion is flush with the U-shaped open end of the formwork, and the end surface corresponding to the short side of each protrusion is integrally formed with the first side formwork or the second side formwork; or the end surface corresponding to one short side of each bulge is flush with the U-shaped open end of the formwork, and the end surface corresponding to one long side is integrally formed with the first side formwork or the second side formwork. Optionally, the cross-sectional shape of the protrusions is square, wherein at least one end surface of each protrusion is flush with the U-shaped open end of the formwork.
Optionally, the reinforcement assembly includes a plurality of stirrup net pieces and a plurality of longitudinal bars, wherein the plurality of stirrup net pieces are arranged at intervals along the length direction of the bracket superposed beam, at least a part of the stirrup net pieces are embedded in the first side formwork, the second side formwork and the bottom formwork, and one end of the stirrup net piece extends out of a U-shaped opening end of the formwork to serve as a bar outlet part, and the bar outlet part is used for forming the strength of the lap joint reinforcing connection node at the beam slab connection node after the floor slab is hoisted. Optionally, one end of the stirrup web does not extend out of the U-shaped open end of the formwork. Wherein the plurality of longitudinal bars penetrate through the stirrup net piece and are fixedly connected with the stirrup net piece, and the longitudinal bars are embedded or partially embedded in the formwork.
The hoop reinforcement net piece comprises a convex part hoop reinforcement, a beam hoop reinforcement and a beam lacing reinforcement, the convex part hoop reinforcement is matched with the cross section shapes of the two convex part structures, and optionally, when only the first side formwork is provided with the convex part, the shape of the convex part hoop reinforcement is consistent with the structural shape formed by the convex part and the second side formwork; the beam stirrups are embedded or partially embedded in the first side formwork, the second side formwork and the bottom formwork; the beam lacing wire is arranged at intervals along the height direction of the bracket superposed beam, optionally, two ends of the beam lacing wire are respectively fixedly connected with the beam stirrups, and two ends of the beam lacing wire are respectively provided with a bend, are fixedly connected with the beam stirrups and are respectively anchored into the first side formwork and the second side formwork.
The longitudinal ribs comprise a beam bottom rib, a beam waist rib and a bulge waist rib, the beam bottom rib comprises a first layer of longitudinal ribs positioned on the bottom formwork, and a second layer of longitudinal ribs which are embedded in the first side formwork and the second side formwork and are flush with the inner side surface (namely the inner bottom surface of the U-shaped structure cavity) of the bottom formwork, for example two longitudinal ribs embedded in the first side formwork and the second side formwork; the beam waist rib is arranged at the fixed connection part of the two ends of the beam lacing wire and the beam stirrup and is fixedly connected with the beam stirrup, such as binding, welding or mechanical connection. When the beam stirrup extends out of one end of the formwork and is provided with the beam lacing wire, the beam waist rib can be arranged at the fixed connection part of the two ends of the beam lacing wire and the beam stirrup.
Optionally, two ends of the two corner longitudinal ribs on the outermost side of the beam bottom rib extend out of the formwork and are anchored into the frame column in the installation process, the beam waist rib and the beam bottom rib are embedded into the formwork, the ends of the beam waist rib and the beam bottom rib do not extend out (except for the longitudinal ribs inserted in the installation process), for example, the beam bottom longitudinal rib located on the bottom surface of the U-shaped structural beam and the beam top rib located at the top end of the rib outlet portion of the beam stirrup are placed in the beam shell cavity after the construction site, and the longitudinal ribs in the cavity are anchored into the frame column according to relevant specifications.
The concrete in the bracket superposed beam formwork provided by the disclosure is poured in situ, the on-site installation support modulus can be greatly reduced, the construction speed is high, the installation efficiency is high, the assembly rate and the on-site mechanical construction degree of a construction site can be improved, the assembled and standardized building industrialization development trend is met, and the assembled beam formwork is a new technology developed in recent years in the field of assembled buildings. The main design method is equal to a cast-in-place structure, the comprehensive performance of the cast-in-place concrete frame beam is equivalent to that of a common cast-in-place concrete frame beam, and the cast-in-place concrete frame beam has the characteristics of safety, reliability, simplified construction, material consumption saving, reduction of raised dust and construction waste and the like, and has strong market competitiveness.
The mold core comprises bosses and a base, the bosses are arranged at intervals along the length direction of the base and are detachably connected with the base, gaps are formed between every two adjacent bosses and are used for embedding stirrup net sheets, and the same number of gaps are arranged between the bosses according to the stirrup spacing of the bracket superposed beam and are used for embedding the beam stirrup net sheets;
the former still includes the mould shell cover of setting outside the mold core, vacuole formation between mould shell cover and the mold core, the shape of cavity is unanimous with the shape of bracket superposed beam, the mould shell cover is enclosed to close by the curb plate of two relative settings and the end plate that sets up at the curb plate both ends and forms, two curb plates prevent to be too big at concreting rear side pressure through a plurality of counter-pull screw rod fixed connection, make the mould shell cover disintegrate, set up the end plate of two blocks of shutoff respectively at both ends, form enclosed construction. Optionally, through holes are respectively arranged on the two end plates, and the through holes are arranged at the corresponding positions of the cavity between the mold shell cover and the mold core and used for penetrating through the longitudinal ribs of the bracket superposed beam. Optionally, a side opening is further formed in the boss, so that the weight of the mold core is reduced, and construction is facilitated.
The invention also provides a method for forming the bracket superposed beam by using the forming equipment, wherein the base and the boss are connected and then placed on the ground surface, and each stirrup net piece of the bracket superposed beam is embedded into the boss gap. The inverted mold shell covers the surface of the mold core, and a cavity is formed between the inverted mold shell and the mold core. And (3) inserting longitudinal ribs of the bracket superposed beam into a cavity between the formwork cover and the mold core through the through holes of the end plate along the extension direction of the mold core. And binding the longitudinal bars and the local stirrup net sheets to form the formed reinforcement cage. And (4) plugging the gap by using a plugging object (such as sealant and the like). And pouring high-flow concrete into the cavity, and forming the formed bracket superposed beam prefabricated part after the concrete is solidified and cured.
The present disclosure also provides a construction method of the corbel superposed beam, and after the frame columns are installed, bracket supports of the corbel superposed beam are erected between the frame columns. And (5) completing erection of the support, and hoisting the bracket superposed beam. After the bracket superposed beam is hoisted in place, the rest reinforcing steel bars of the beam penetrate into the cavity of the superposed beam through one side of the column. And supplementing missing column stirrups at the beam column joint part. And adopting a shaping aluminum template to plug the joints of the post and the bracket superposed beam. And hoisting the floor slab, completing the installation of the floor slab, penetrating a beam top reinforcing steel bar at the top of the bracket superposed beam, and completing the installation of the bracket superposed beam.
The prefabricated bracket superposed beam provided by the disclosure can avoid an outer side template in 1) construction, and the formwork type beam member has certain rigidity and can reduce vertical support. 2) The middle of the prefabricated part is a cavity, so that the weight is reduced, when the cross section of the frame beam is large and the number of reinforcing bars is large, the weight advantage and the rear inserted bottom bar advantage are obvious, when the stress is large, conditions are reserved for arranging prestressed bars, and the problem of interference with column reinforcing bars during installation can be well solved by the rear inserted bottom bar. 3) The brackets extend out of two sides of the prefabricated superposed beam, so that the requirement of a prefabricated floor slab, particularly a prestressed floor slab with large requirement on a support, and the reliable support of a large-span double-T plate can be met; 4) the structure wholeness can be equal to cast-in-place structure, has characteristics such as safe and reliable, simplification construction, saving consumptive material, reduction raise dust and construction waste, has stronger market competition.
The structure of the above-described corbel folding beam will be described in detail with reference to specific embodiments.
Fig. 1 shows a schematic diagram of an internal structure of a corbel superposed beam, which includes a concrete prefabricated integrally-formed formwork and a steel bar assembly, wherein the formwork includes a first side formwork, a second side formwork, a bottom formwork and a protrusion 9, and the first side formwork, the second side formwork and the bottom formwork form a U-shaped structure. The two convex parts 9 are respectively positioned at the outer side of the U-shaped opening end of the formwork, and one end surface of each convex part is flush with the U-shaped opening end. The cavity of U type structure mid portion makes the weight of bracket coincide roof beam less, and when frame roof beam cross-section was great, the arrangement of reinforcement was more, its weight advantage and back inserted the end muscle advantage comparatively obvious, when the atress was great, also reserved the condition for arranging prestressed reinforcement, after insert the end reinforcing bar and can solve the problem of interfering with the post reinforcing bar when installing well. The position and size of the raised parts on both sides of the shuttering are determined by the height of the floor slab and the load transmitted by the floor slab.
The protruding parts 9 extending out of the two sides of the bracket superposed beam can meet the requirements of precast floor slabs, especially the reliable support of prestressed floor slabs and long-span double T-shaped slabs with high requirements on supports.
For example, as shown in fig. 1, the cross section of the protrusion 9 may be a right trapezoid, wherein the straight waist end surface of the protrusion 9 is flush with the U-shaped opening end of the formwork, and the long side end surface of the protrusion is integrally formed with the first side formwork or the second side formwork. This structure will transfer the load from the floor slab down to the frame post below the composite beam. Alternatively, the cross-sectional shape of the convex part can be a triangle, a sector with one side flush with the U-shaped open end of the formwork, and the like. Still optionally, the cross-sectional shape of the boss is rectangular or square.
As shown in FIG. 2, there are two protrusions 9 on the opposite sides of the U-shaped opening, such as the outside of the top of the first side formwork and the outside of the top of the second side formwork. The protruding parts 9 extending out of the two sides of the bracket superposed beam can meet the requirements of precast floor slabs, especially the reliable support of prestressed floor slabs and long-span double T-shaped slabs with high requirements on supports. The first end surface (referring to the top end surface of the lug boss and used for supporting the prefabricated part) of the lug boss 9 is flush with the U-shaped opening end; as shown in FIG. 3, the protrusion 9 can be located outside the U-shaped opening end of the formwork and the first end surface is located at the lower part of the U-shaped opening end. Because the concrete of the upper overlapped part needs to be cast by erecting a formwork on site, the formwork shell plates at two sides are extended upwards (namely, the convex part is positioned at the outer side of the U-shaped opening end of the formwork and the first end surface is positioned at the lower part of the U-shaped opening end) to form the cast formwork, and the cast formwork is avoided being cast on site.
As shown in fig. 1 to 4, the reinforcing bar assembly includes a plurality of stirrup net pieces and a plurality of longitudinal bars, wherein the plurality of stirrup net pieces are arranged at intervals along the length direction of the corbel composite beam. At least one part of the stirrup net sheet is embedded in the first side formwork, the second side formwork and the bottom formwork, at least one end part of the stirrup net sheet extends out of a U-shaped opening end of the formwork to be used as a rib outlet part, and the rib outlet part is used for forming lap joint at the beam slab joint after the floor slab is hoisted. Wherein the plurality of longitudinal bars penetrate through the stirrup net piece and are fixedly connected with the stirrup net piece, and the longitudinal bars are embedded or partially embedded in the formwork.
As shown in fig. 1, the stirrup net piece comprises a convex part stirrup 3, a beam stirrup 4 and a beam lacing wire 5, the longitudinal ribs comprise a beam bottom rib 1, a beam waist rib 2 and a convex part waist rib 6, as shown in fig. 2 to 4, in the installation and construction stage, the longitudinal ribs further comprise a beam bottom additional longitudinal rib 7 and a beam top longitudinal rib 8, the beam bottom longitudinal rib in the beam bottom corner position comprises a beam bottom corner longitudinal rib 1a, and the end part of the beam bottom corner longitudinal rib 1a extends out of the formwork and is anchored in the frame column in the installation stage. The shape of the convex part stirrup 3 is matched with that of the convex part 9, and the beam stirrup 4 is embedded or partially embedded in the first side formwork, the second side formwork and the bottom formwork; the beam lacing wire 5 is arranged at intervals along the height direction of the bracket superposed beam, and the two ends of the beam lacing wire 5 are provided with reinforcing buckles which are fixedly connected with the beam stirrups 4 and anchored into the first side formwork and the second side formwork. The waist ribs 6 of the convex part are positioned at two corners of the short side of the cross section of the convex part 9 in the shape of a right trapezoid.
As shown in fig. 1 to 4, the bottom beam rib 1 includes a first layer of longitudinal rib (including a bottom beam corner longitudinal rib 1a with an end portion extending out of the formwork) embedded in the bottom formwork, and further includes a second layer of longitudinal rib embedded in the first side formwork and the second side formwork and flush with the inner side surface (i.e., the bottom surface in the U-shaped structural cavity) of the bottom formwork, for example, two longitudinal ribs at the upper portion of the bottom beam corner longitudinal rib 1 a. The beam waist rib 2 is arranged at the fixed connection part of the two ends of the beam lacing wire 5 and the beam stirrup 4 and is fixedly connected with the beam stirrup 4, such as binding, welding or mechanical connection. As shown in fig. 2, when the beam tie bar 5 is disposed at one end of the beam tie bar 4 extending out of the formwork, the beam waist bar 2 is disposed at the fixed connection between the two ends of the beam tie bar 5 and the beam tie bar.
As shown in fig. 2, except that two ends of two corner longitudinal ribs 1a at the outermost side of the beam bottom rib 1 extend out of the formwork, the rest of the beam waist 2 ribs and the beam bottom rib 1 are embedded in the formwork and do not extend out, in the subsequent installation process, the beam bottom longitudinal rib 7 at the bottom surface of the cavity of the U-shaped structure and the beam top rib 8 at the top end of the rib outlet part of the beam stirrup are inserted into the beam bottom cavity and the beam top stirrup and have extension parts at the construction site, the beam bottom longitudinal rib 7 of the beam bottom cavity is anchored into the frame column according to relevant specifications, and the extension part of the beam top rib 8 is anchored into a corresponding subsequent connection node.
The present disclosure further provides a forming apparatus for a corbel superposed beam, as shown in fig. 7 to 8, the forming apparatus includes a mold core 20 and a mold shell cover 10, the mold core 20 includes bosses 21 and a base 22, the plurality of bosses 21 are arranged at intervals along a length direction of the base 22 and detachably connected with the base 22, a gap 50 is formed between two adjacent bosses 21, the gap 50 is used for embedding a stirrup mesh, and the same number of gaps are arranged between the bosses 21 according to a stirrup spacing of the corbel superposed beam and are used for embedding a beam stirrup mesh; the mould shell cover 10 is arranged on the outer side of the mould core 20, a cavity is formed between the mould shell cover 10 and the mould core 20, and the shape of the cavity is consistent with that of the bracket superposed beam. The formwork cover 10 is formed by enclosing two oppositely arranged side plates and end plates 13 arranged at two ends of the side plates, and the two side plates are fixedly connected through a plurality of oppositely-pulling screw rods 12, so that the excessive pressure at the rear side of the poured concrete is prevented, and the formwork cover is disassembled. Optionally, the two end plates 13 are respectively provided with a through hole 14, and the through holes 14 are arranged at the corresponding positions of the cavity between the mold shell cover 10 and the mold core 20 and used for penetrating through the longitudinal ribs of the corbel superposed beam. Optionally, a side opening 23 is further provided on the boss 21, which is beneficial to reducing the weight of the mold core and facilitating construction.
The present disclosure also provides a method for forming the corbel superposed beam, wherein the corbel superposed beam is produced by using the forming die and adopting an inverted production mode. The base 22 and the boss 21 are connected and then placed on the ground surface, and each stirrup net piece of the bracket superposed beam is embedded into the gap 50 of the boss 21. The mold shell cover 10 is inverted on the surface of the mold core 20, and a cavity is formed between the mold core 20 and the mold shell cover. Longitudinal ribs of the corbel folding beam are inserted from the cavity between the formwork shell and the mold core through the through holes 14 of the end plate 13 along the extension direction of the mold core 20. And binding the longitudinal bars and the local stirrup net sheets to form the formed reinforcement cage. The gap 50 is sealed with a sealant (e.g., a glue). And pouring high-flow concrete into the cavity, and forming the formed bracket superposed beam prefabricated part after the concrete is solidified and cured.
The present disclosure also provides a construction method of the corbel superposed beam, as shown in fig. 8, after the frame columns 40 are installed, a bracket 41 of the corbel superposed beam is erected between the frame columns 40. And (5) completing erection of the bracket 41, and hoisting the bracket superposed beam. After the bracket superposed beam is hoisted in place on the bracket 41, the beam bottom additional longitudinal rib 7 penetrates into the cavity of the superposed beam through one side of the frame column. And supplementing missing beam-column joint stirrups 42 at the beam-column joint part. And adopting a shaping aluminum template to plug the joints of the post and the bracket superposed beam. And (5) hoisting the floor slab, completing the installation of the floor slab, and penetrating a beam top longitudinal rib 8 into the top of the bracket superposed beam. And finishing the installation of the bracket superposed beam.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. A corbel folding beam, comprising:
the formwork is of a concrete prefabricated integrally-formed structure and comprises a first side formwork, a second side formwork, a bottom formwork and a convex part;
wherein the first side formwork, the second side formwork and the bottom formwork form a U-shaped structure; and
the bulge is positioned at the outer side of the U-shaped opening end of the formwork and is used for supporting a prefabricated part;
the reinforcing steel bar assembly is composed of longitudinal bars and a stirrup net piece, at least part of the reinforcing steel bar assembly is embedded in the formwork, and the reinforcing steel bar assembly is fixedly connected with the first side formwork, the second side formwork, the bottom formwork and the protruding portion.
2. The corbel composite beam according to claim 1, wherein the projections are one or two, and the top surface of each projection is flush with the open end of the U-shape.
3. The corbel folding beam according to claim 1, wherein the number of the protrusions is one or two, and the top surface of each protrusion is at a certain height difference with and parallel to the U-shaped open end.
4. The corbel folding beam according to claim 2 or 3, wherein the cross section of the protruding part is a right trapezoid, the end surface of the protruding part flush with the open end of the U-shaped part is a right-angled end surface, and at least one side wall of the protruding part is integrally formed with the formwork.
5. The corbel folding beam according to claim 2 or 3, wherein the projection is rectangular in cross-section and at least one side wall of the projection is integrally formed with the formwork.
6. The corbel composite beam of claim 1,
the hoop reinforcement net pieces are arranged at intervals along the length direction of the bracket superposed beam, the longitudinal reinforcements penetrate through the hoop reinforcement net pieces, and the longitudinal reinforcements are embedded or partially embedded in the formwork.
7. The corbel superposition beam according to claim 6,
the stirrup net piece comprises a convex part stirrup, a beam stirrup and a beam lacing wire, and the convex part stirrup is matched with the cross section shapes of the two convex part structures; the beam stirrups are embedded or partially embedded in the formwork; the beam lacing wires are arranged at intervals along the height direction of the bracket superposed beam, and two ends of the beam lacing wires are respectively fixedly connected with the beam stirrups;
the longitudinal ribs comprise beam bottom ribs, beam waist ribs and protruding part waist ribs, and the beam bottom ribs comprise a first layer of longitudinal ribs positioned on the bottom formwork and longitudinal ribs which are embedded in the first side formwork and the second side formwork and are flush with the inner side surface of the bottom formwork; the beam waist rib is arranged at the fixed connection part of the two ends of the beam lacing wire and the beam stirrup and is fixedly connected with the beam stirrup.
8. The corbel composite beam of claim 6, wherein the longitudinal ribs further comprise corner longitudinal ribs, wherein two corner longitudinal ribs are embedded at the corners of the bottom formwork and the first side formwork or the second side formwork, respectively, and the ends of the corner longitudinal ribs extend out of the formworks.
9. A molding apparatus for the corbel composite beam according to claim 6, comprising:
the mold core comprises bosses and a base, the bosses are arranged at intervals along the length direction of the base and are detachably connected with the base, a gap is formed between every two adjacent bosses, and the gap is used for embedding the stirrup meshes; and
the mould shell cover of setting outside the mold core, the mould shell cover with form the cavity between the mold core, the cavity adaptation the shape of bracket coincide roof beam, the mould shell cover is in by the curb plate of two relative settings and setting the end plate at curb plate both ends encloses to close and forms, two the curb plate is through a plurality of split screw fixed connection.
10. The molding apparatus as defined in claim 9,
the lug boss is provided with a side opening; and
the end plate is provided with a through hole corresponding to a cavity between the mold shell cover and the mold core, and the through hole is used for the longitudinal rib of the bracket superposed beam to penetrate through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538103.8U CN210976322U (en) | 2019-09-17 | 2019-09-17 | Bracket superposed beam and forming equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538103.8U CN210976322U (en) | 2019-09-17 | 2019-09-17 | Bracket superposed beam and forming equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210976322U true CN210976322U (en) | 2020-07-10 |
Family
ID=71419965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921538103.8U Active CN210976322U (en) | 2019-09-17 | 2019-09-17 | Bracket superposed beam and forming equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210976322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499869A (en) * | 2019-09-17 | 2019-11-26 | 三一筑工科技有限公司 | Bracket composite beam and its construction method |
-
2019
- 2019-09-17 CN CN201921538103.8U patent/CN210976322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499869A (en) * | 2019-09-17 | 2019-11-26 | 三一筑工科技有限公司 | Bracket composite beam and its construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105569224A (en) | Concrete-filled steel tube edge restraint overlapping integrated shear wall and preparing and installation methods thereof | |
| KR101903628B1 (en) | Precast Double Wall Structure with Enhanced Seismic Performance and Construction method thereof | |
| CN214696113U (en) | Connection structure of assembled prefabricated floor and composite beam | |
| CN212358846U (en) | Assembled concrete composite beam | |
| CN110499869A (en) | Bracket composite beam and its construction method | |
| CN111441511A (en) | Permanent template and method for pouring shear wall by adopting permanent template | |
| CN107905426B (en) | Construction method of bidirectional hollow composite floor slab | |
| CN111236500A (en) | Laminated wall prefabricated member and production method thereof | |
| CN110512785B (en) | Unidirectional superimposed sheet with no rib at end rabbet and formwork structure and construction method | |
| CN210976328U (en) | Secondary structure capable of being assembled for construction | |
| CN113026993B (en) | Assembly type combined connecting beam window opening component, structure and manufacturing and construction method | |
| CN210976322U (en) | Bracket superposed beam and forming equipment thereof | |
| CN113719008A (en) | Steel mesh truss hollow nest core plate and construction process | |
| CN210421568U (en) | Assembled beam and plate structure | |
| CN211285960U (en) | Precast beam column board connected node | |
| CN112277153A (en) | Cavity wall and production method thereof | |
| CN111809796A (en) | Assembled concrete composite beam and construction method thereof | |
| CN107989247B (en) | Assembled superposed hollow floor system and construction method thereof | |
| CN217128632U (en) | Assembled building wall form and assembled building wall | |
| CN115741984A (en) | Preparation method of steel tube concrete edge constraint superposed shear wall | |
| CN107178149B (en) | Crotch-shaped steel reinforced concrete combined structure and construction method thereof | |
| CN210976062U (en) | Assembled frame construction combination system | |
| CN214117089U (en) | Cavity wall | |
| CN212926589U (en) | Assembly type formwork-dismantling-free structural body formwork and cast-in-place formwork-dismantling-free structural body | |
| CN210597875U (en) | Cross beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102206 1st floor, building 6, 8 Beiqing Road, Huilongguan town, Changping District, Beijing Patentee after: Sany Construction Technology Co.,Ltd. Address before: Room 301, building 6, No. 8, Beiqing Road, Huilongguan town, Changping District, Beijing Patentee before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |