CN110722658A - Prefabrication method and device for quickly modifying T-shaped beam - Google Patents

Prefabrication method and device for quickly modifying T-shaped beam Download PDF

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Publication number
CN110722658A
CN110722658A CN201911036043.4A CN201911036043A CN110722658A CN 110722658 A CN110722658 A CN 110722658A CN 201911036043 A CN201911036043 A CN 201911036043A CN 110722658 A CN110722658 A CN 110722658A
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CN
China
Prior art keywords
prefabricated
concrete square
steel
supporting
concrete
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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.)
Pending
Application number
CN201911036043.4A
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Chinese (zh)
Inventor
邱伟超
吕岩
金朋朋
吴树广
朱丹丹
卫小略
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Road and Bridge International Co Ltd
China Communications Road and Bridge North China Engineering Co Ltd
Original Assignee
Road and Bridge International Co Ltd
China Communications Road and Bridge North China Engineering Co Ltd
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Filing date
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Application filed by Road and Bridge International Co Ltd, China Communications Road and Bridge North China Engineering Co Ltd filed Critical Road and Bridge International Co Ltd
Priority to CN201911036043.4A priority Critical patent/CN110722658A/en
Publication of CN110722658A publication Critical patent/CN110722658A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/08Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/087Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/02Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article

Abstract

The application discloses a prefabrication method and device for quickly refitting a T-shaped beam. The device comprises a T-beam prefabricating pedestal and at least one T-beam prefabricating template; the T-beam prefabricating pedestal comprises a supporting structure and a plurality of concrete square piers, wherein the upper end of each concrete square pier is connected with the supporting structure; each concrete square pier in the plurality of concrete square piers is sequentially arranged in the same direction, each concrete square pier is arranged on the roadbed ground, and the upper end face of each concrete square pier is arranged in a flush manner; the T-beam prefabricated template comprises two prefabricated moulds which are symmetrically arranged; the prefabricated mould comprises a truss and inner templates, the inner templates are fixed on the truss, and the two inner templates of the two prefabricated moulds are oppositely arranged; the edge of the inner template is provided with a connecting hole for connecting the inner templates included by other T-beam prefabricated templates; the lower end of the inner formwork is mounted on the support structure. The method and the device can solve the technical problem that the T beam prefabrication method in the related technology is poor in general performance.

Description

Prefabrication method and device for quickly modifying T-shaped beam
Technical Field
The application relates to the technical field of road and bridge engineering, in particular to a prefabricating method and device for quickly modifying a T-shaped beam.
Background
With the development of the domestic highway industry, bridge projects are increasingly increased, prefabricated T beams are widely used in the highway industry, the T beams are 20m, 30m, 40m and other standard lengths, the structural forms of the T beams are more, the T beams need to be manufactured near a construction highway, the occupied area requirement of a T beam prefabricated site is large, temporary land acquisition is difficult, a row of T beam concrete pedestals are required to be arranged in the T beam prefabricated site, T beam prefabricated templates are placed on the T beam concrete pedestals, the T beam prefabricated templates and the T beam concrete pedestals are matched for use, and the T beam concrete pedestals cannot be modified due to the fact that the size of the T beam concrete pedestals is large, so that only one T beam with one standard length can be manufactured on one T beam concrete pedestal and one corresponding T beam prefabricated template, and the general performance of the T beam prefabrication method is poor.
Aiming at the problem of poor general performance of a T beam prefabricating method in the related technology, an effective solution is not provided at present.
Disclosure of Invention
The application mainly aims to provide a method and a device for quickly modifying T-beam prefabrication, so as to solve the problem that the T-beam prefabrication method in the related art is poor in universality.
In order to achieve the above object, the present application provides a device for quickly refitting a T-beam prefabrication, comprising a T-beam prefabrication pedestal and at least one T-beam prefabrication formwork;
the T-beam prefabricating pedestal comprises a supporting structure and a plurality of concrete square piers, and the upper end of each concrete square pier is connected with the supporting structure;
each concrete square pier in the plurality of concrete square piers is sequentially arranged in the same direction, each concrete square pier is arranged on the roadbed ground, and the upper end face of each concrete square pier is arranged in a flush manner;
the T-beam prefabricated template comprises two prefabricated moulds, the two prefabricated moulds have the same structure, and the two prefabricated moulds are symmetrically arranged;
the prefabricated mould comprises a truss and inner templates, the inner templates are fixed on the truss, the two inner templates of the two prefabricated moulds are oppositely arranged, and a gap space for pouring a T-shaped beam is arranged between the two inner templates; the edge of the inner template is provided with a connecting hole for connecting the inner templates of other T-beam prefabricated templates;
the lower end of the inner formwork is mounted on the support structure.
Optionally, the support structure comprises a plurality of transverse support steels, a longitudinal support assembly and a support steel plate for supporting the prefabricated T-beam;
each transverse supporting steel in the plurality of transverse supporting steels corresponds to one concrete square pier in the plurality of concrete square piers, the transverse supporting steel is fixed on the concrete square pier, the upper end of each transverse supporting steel is connected with the longitudinal supporting assembly, and the arrangement direction of the longitudinal supporting assembly is perpendicular to the arrangement direction of each transverse supporting steel;
the supporting steel plate is arranged on the longitudinal supporting component along the full length direction of the supporting steel plate.
Optionally, the longitudinal support assembly comprises a first i-beam and two channel beams;
every the channel-section steel all with first I-steel is parallel, first I-steel is located between two channel-sections, first I-steel with the up end of two channel-sections all with the lower terminal surface of supporting steel plate is connected, first I-steel with the lower terminal surface of two channel-sections all with horizontal supporting steel is connected.
Optionally, the two channel steels are symmetrically arranged on two sides of the first i-shaped steel.
Optionally, the upper end face of each concrete square pier is flush with the roadbed ground.
Optionally, a steel seat is pre-embedded in the upper end face of the concrete square pier;
the transverse supporting steel is welded on the steel seat.
Optionally, the distance between any two adjacent concrete piers in the plurality of concrete piers is the same.
Optionally, the T-beam prefabricated formwork further comprises at least one first tie rod, a column and at least one second tie rod;
two ends of the first pull rod respectively penetrate through the two inner templates included in the two prefabricated molds and are connected to the lower ends of the two trusses;
the truss is fixed on the upright post;
the two ends of the second pull rod are respectively connected to the upper ends of the two stand columns included by the two prefabricated molds.
Optionally, the prefabricated mold further comprises a plurality of tie plates for connecting a vibrator, and each tie plate is fixed on one side of the truss far away from the inner template.
In a second aspect, the present application also provides a method for quickly refitting T-beam prefabrication, which is applied to the above-mentioned apparatus for quickly refitting T-beam prefabrication, and the method includes:
determining the length of the prefabricated T-shaped beam;
determining the length of the T-beam prefabricating pedestal according to the length of the prefabricated T-beam;
determining the number of the concrete square piers and the number of T-beam prefabricated formworks according to the length of the T-beam prefabricated pedestal;
when the quantity of the T-beam prefabricated formworks is at least two, the T-beam prefabricated formworks which are different are sequentially spliced on the T-beam prefabricated pedestal to obtain the device for quickly modifying the T-beam prefabricating device.
In the utility model provides an among being used for quick repacking T roof beam preprocessing device, through setting up: the T-beam prefabricating platform comprises a T-beam prefabricating pedestal and at least one T-beam prefabricating template; the T-beam prefabricating pedestal comprises a supporting structure and a plurality of concrete square piers, and the upper end of each concrete square pier is connected with the supporting structure; each concrete square pier in the plurality of concrete square piers is sequentially arranged in the same direction, each concrete square pier is arranged on the roadbed ground, and the upper end face of each concrete square pier is arranged in a flush manner; the T-beam prefabricated template comprises two prefabricated moulds, the two prefabricated moulds have the same structure, and the two prefabricated moulds are symmetrically arranged; the prefabricated mould comprises a truss and inner templates, the inner templates are fixed on the truss, the two inner templates of the two prefabricated moulds are oppositely arranged, and a gap space for pouring a T-shaped beam is arranged between the two inner templates; the edge of the inner template is provided with a connecting hole for connecting the inner templates of other T-beam prefabricated templates; the lower end of the inner formwork is mounted on the support structure. Like this, through setting up a plurality of concrete square piers and a bearing structure who sets up above that, can make prefabricated T roof beam can distribute bearing structure with the pressure that self weight produced earlier on, disperse pressure to on a plurality of small concrete square piers by bearing structure again, and then be convenient for quick assembly disassembly or the transformation in later stage on a plurality of small concrete square piers, and T roof beam prefabricated formwork can splice with other the same T roof beam prefabricated formwork through the connecting hole of inner formword, thereby adjust the length that T roof beam prefabricated formwork can prefabricate the T roof beam, thereby make T roof beam prefabricated formwork can cooperate the quick assembly disassembly in later stage or the transformation of concrete square pier, can realize that this a quick modification T roof beam prefabrication device can reequip fast like this, and then be applicable to the T roof beam prefabrication of various different length. Therefore, the technical problem that the T-beam prefabricating method in the related technology is poor in universality is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic structural diagram of a device for quickly modifying a T-beam prefabrication provided by an embodiment of the application;
FIG. 2 is a schematic cross-sectional view of a concrete square pier in a concrete square pier according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a distribution arrangement of concrete piers according to an embodiment of the present application;
FIG. 4 is a schematic illustration of the distribution of longitudinal support assembly concrete piers provided by embodiments of the present application;
FIG. 5 is a schematic cross-sectional view of a pedestal head in a concrete square pier according to an embodiment of the present disclosure;
fig. 6 is a schematic cross-sectional view of a T-beam prefabricated formwork provided in an embodiment of the present application;
fig. 7 is a schematic distribution diagram between a plurality of T-beam prefabricated templates according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "glued", "provided", "connected", "covered", "fixed", "plugged" and "sheathed" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 7, the present application provides an apparatus for rapid retrofitting of a T-beam prefabrication, which includes a T-beam prefabrication pedestal 200 and at least one T-beam prefabrication formwork 100;
the T-beam prefabricating pedestal 200 comprises a supporting structure and a plurality of concrete square piers 4, wherein the upper end of each concrete square pier 4 is connected with the supporting structure;
each concrete square pier 4 of the plurality of concrete square piers 4 is sequentially arranged in the same direction, each concrete square pier 4 is arranged on the roadbed 5, and the upper end face of each concrete square pier 4 is arranged in a flush manner;
the T-beam prefabricated formwork 100 comprises two prefabricated moulds 10, wherein the two prefabricated moulds 10 have the same structure, and the two prefabricated moulds 10 are symmetrically arranged;
the prefabricated mould 10 comprises a truss 101 and an inner template 102, the inner template 102 is fixed on the truss 101, the two inner templates 102 included in the two prefabricated moulds 10 are oppositely arranged, and a gap space for pouring a T-shaped beam is arranged between the two inner templates 102; the edge of the inner template 102 is provided with a connecting hole 103 for connecting the inner templates 102 included in other T-beam prefabricated templates 100;
the lower end of the inner mould plate 102 is mounted on the support structure.
In the present embodiment, by setting: a T-beam prefabrication pedestal 200 and at least one T-beam prefabrication formwork 100; the T-beam prefabricating pedestal 200 comprises a supporting structure and a plurality of concrete square piers 4, wherein the upper end of each concrete square pier 4 is connected with the supporting structure; each concrete square pier 4 of the plurality of concrete square piers 4 is sequentially arranged in the same direction, each concrete square pier 4 is arranged on the roadbed 5, and the upper end face of each concrete square pier 4 is arranged in a flush manner; the T-beam prefabricated formwork 100 comprises two prefabricated moulds 10, wherein the two prefabricated moulds 10 have the same structure, and the two prefabricated moulds 10 are symmetrically arranged; the prefabricated mould 10 comprises a truss 101 and an inner template 102, the inner template 102 is fixed on the truss 101, the two inner templates 102 included in the two prefabricated moulds 10 are oppositely arranged, and a gap space for pouring a T-shaped beam is arranged between the two inner templates 102; the edge of the inner template 102 is provided with a connecting hole 103 for connecting the inner templates 102 included in other T-beam prefabricated templates 100; the lower end of the inner mould plate 102 is mounted on the support structure. Like this, through setting up a plurality of concrete square piers 4 and a bearing structure who sets up above that, can make prefabricated T roof beam can distribute bearing structure with the pressure that self weight produced earlier on, disperse pressure to on a plurality of small concrete square piers 4 by bearing structure again, and then be convenient for quick assembly disassembly or the transformation in later stage on a plurality of small concrete square piers 4, and T roof beam prefabricated formwork 100 can splice with other the same T roof beam prefabricated formwork 100 through the connecting hole 103 of inner formword 102, thereby adjust the length that T roof beam prefabricated formwork 100 can prefabricate the T roof beam, thereby make T roof beam prefabricated formwork 100 can cooperate the quick assembly disassembly in later stage or the transformation of concrete square pier 4, can realize this a quick repacking of repacking T roof beam prefabricating device of this being used for like this and can reequip fast, and then be applicable to the prefabrication of the T roof beam of various different length. Thereby solving the technical problem of poor general performance of the T beam prefabricating method in the related technology
Optionally, the support structure comprises a plurality of transverse support steels 1, longitudinal support assemblies 2 and support steel plates 3 for supporting the T-beam prefabricated formwork 100;
each transverse supporting steel 1 in the plurality of transverse supporting steels 1 corresponds to one concrete square pier 4 in the plurality of concrete square piers 4, the transverse supporting steel 1 is fixed on the concrete square pier 4, the upper end of each transverse supporting steel 1 is connected with the longitudinal supporting component 2, and the arrangement direction of the longitudinal supporting component 2 is vertical to the arrangement direction of each transverse supporting steel 1;
the supporting steel plate 3 is arranged on the longitudinal supporting component 2 along the whole length direction;
the lower end of the inner mold plate 102 is mounted on the support steel plate 3.
In the present embodiment, in order to place the T-beam precast formwork 100 in the related art, a row of T-beam concrete pedestals for supporting the T-beam precast formwork 100 needs to be provided in the T-beam precast yard, but since the T-beam precast formwork 100 is placed across the T-beam concrete pedestals, an actively large T-beam concrete pedestal needs to be provided, which in turn causes the related art to be disadvantageous to the rapid removal and modification at all, whereas in the present embodiment, the T-beam precast formwork 200 includes a plurality of transverse supporting steels 1, longitudinal supporting members 2, supporting steel plates 3 for supporting the T-beam precast formwork 100, and a plurality of concrete square piers 4, the pressure of the T-beam precast formwork 100 is more equally divided by providing the transverse supporting steels 1, the longitudinal supporting members 2, and the supporting steel plates 3, and the concrete square piers 4 can be set to be small, which in turn facilitates the removal and addition of the concrete square piers 4, and this prefabricated template 100 of T roof beam can install additional or dismantle according to the quantity (the total length of T roof beam prefabrication pedestal 200 promptly) that concrete square pier 4 set up to change the length of pouring the T roof beam, thereby improve the commonality of T roof beam prefabrication system on the whole.
Optionally, the longitudinal support assembly 2 comprises a first i-beam 21 and two channel beams 22;
every channel-section steel 22 all with first I-steel 21 is parallel, first I-steel 21 is located between two channel-section steels 22, first I-steel 21 with the up end of two channel-section steels 22 all with the lower terminal surface of supporting steel plate 3 is connected, first I-steel 21 with the lower terminal surface of two channel-section steels 22 all with horizontal supporting steel 1 is connected.
In this embodiment, the longitudinal supporting component 2 is made of the h-shaped steel and the channel steel 22 commonly used in the construction site, so that the material of the longitudinal supporting component 2 is easily obtained, the h-shaped steel is used as the middle support of the supporting steel plate 3 according to the shape characteristics of the h-shaped steel and the channel steel 22, and the two channel steels 22 are used as the two sides of the supporting steel plate 3 for supporting.
Specifically, the notch of each channel steel 22 faces the first i-steel 21.
Optionally, the width between the U-shaped bottoms of the two channel beams 22 is equal to the width of the support steel plate 3.
Thus, the two channel steels 22 can completely support the two side edges of the supporting steel plate 3, so as to prevent the air suspension below the two sides of the supporting steel plate 3 and avoid the side turning or the damage of the two side edges of the supporting steel plate 3 caused by uneven stress.
Specifically, in order to enhance the structural strength, the two channel beams 22 are symmetrically arranged on two sides of the first i-beam 21.
Optionally, the upper end face of each concrete square pier 4 is flush with the roadbed 5.
In this embodiment, when each of the upper end surfaces of the concrete square piers 4 is flush with the roadbed ground 5, the construction height of the prefabricated T beam during prefabrication can be reduced, so that the T beam can be more conveniently manufactured, and the construction safety can be improved.
Optionally, a steel seat 41 is pre-embedded in the upper end surface of the concrete square pier 4;
the transverse support steel 1 is welded to the steel base 41.
In the present embodiment, the steel seat 41 is embedded in the upper end surface of the concrete square pier 4, so that the transverse support steel 1 is welded and fixed on the concrete square pier 4 conveniently.
Specifically, the transverse supporting steel 1 is a second i-steel. The steel section such as I-shaped steel is adopted, and the method has the advantages of rapidness, high bearing capacity, high rigidity, simplicity and convenience in construction and the like.
Optionally, in order to avoid rusting, the surfaces of the transverse supporting steel 1, the longitudinal supporting component 2 and the supporting steel plate 3 are coated with a rust-proof paint layer. Meanwhile, the transverse supporting steel 1, the longitudinal supporting component 2, the supporting steel plate 3 and the like can be subjected to rust prevention treatment.
Optionally, the distance between any arbitrary adjacent two concrete square piers 4 in the plurality of concrete square piers 4 is the same.
Optionally, the T-beam prefabrication platform 200 further comprises a platform end 6, the platform end 6 is arranged on one side of the plurality of concrete square piers 4, and the distance from the platform end 6 to the adjacent concrete square pier 4 is the same as the distance between any two adjacent concrete square piers 4. Wherein, the steel seat 41 that is used for with horizontal support steel 1 welding is pre-buried to pedestal end 6 up end.
In this embodiment, finite element analysis verification can be performed on the overall structure of the T-beam prefabrication pedestal 200 at the beginning of design, for example, a 40mT beam is adopted as the T-beam, the size is 600mm in bottom width and 40000mm in length, I10 channel steel 22 is adopted as two channel steels 22, I14I-beams are adopted as the transverse support steel 1, the longitudinal distance between two adjacent I14I-beams is 1000mm, I10I-beams are adopted as the first I-beam 21, and the distance between I10I-beams and I14I-beams is 300 mm; the supporting steel plate 3 is a Q235 steel plate with the thickness delta of 10mm, and the concrete square pier 4 is a concrete foundation base with the thickness of 0.35m multiplied by 0.35m, so that whether each part meets the strength requirement can be measured and calculated through the design of load and material performance. For example, the bearing capacity of the foundation is checked before construction, and if necessary, the foundation is filled and tamped, so that the subsequent construction can be carried out after the bearing capacity of the foundation is not lower than the finite element analysis result.
Optionally, the T-beam precast formwork 100 further comprises at least one first tie rod 104;
both ends of the first tie rod 104 respectively pass through the two inner formworks 102 included in the two prefabricated molds 10 and are connected to the lower ends of the two trusses 101.
In the related art, the gap space between the two inner formworks 102 for casting the T-beam is defined by fixing the trusses 101, in this embodiment, the two trusses 101 may be fixed by the first tie rod 104, and in the process of casting the T-beam, the first tie rod 104 may apply a tensile force to the two trusses 101 to ensure the distance between the two trusses 101, further define the width of the gap space, and ensure the size standard of the T-beam.
Optionally, the prefabricated mold 10 further comprises a column 105, and the truss 101 is fixed on the column 105.
Optionally, the T-beam prefabricated formwork 100 further comprises at least one second tie bar 106;
the two ends of the second tie bar 106 are respectively connected to the upper ends of the two columns 105 included in the two prefabricated molds 10.
In this embodiment, in order to further define the width of the gap space between the two inner formworks 102 for casting the T-beam, the two columns 105 may be fixed by the second tie rod 106, and in the process of casting the T-beam, the second tie rod 106 may apply a pulling force to the two columns 10511 to ensure the distance between the two columns 105, so that the width of the gap space is defined in both the upper and lower directions of the two inner formworks 102, and the size standard of the T-beam is further ensured.
Optionally, both ends of the first pull rod 104 and both ends of the second pull rod 106 are provided with threads, the first pull rod 104 is screwed to the lower end of the truss 101 through a nut, and the second pull rod 106 is screwed to the upright post 105 through a nut.
Optionally, the prefabricated mold 10 further comprises a plurality of pads 107 for connecting vibrators, and each pad 107 is fixed on one side of the truss 101 far away from the inner template 102.
Optionally, the template further comprises a plurality of vibrators (not shown in the figure), each vibrator of the plurality of vibrators corresponds to one pad 107 of the plurality of pads 107, and the vibrator is connected to the corresponding pad 107.
In this embodiment, a vibrator may be attached to the girder 101 through a pad 107, and the girder 101 is vibrated by the vibrator, so that the inner mold 102 is vibrated to enhance the fluidity of concrete when the T-beam is cast.
Optionally, the plurality of backing plates 107 are sequentially arranged on the truss 101 along the length direction of the prefabricated mold 10, and the mounting heights of any two adjacent backing plates 107 are different.
In the embodiment, the concrete fluidity can be further enhanced by the vibration of the vibrator at different positions when the T-shaped beam is poured.
Based on the same technical concept, the application also provides a method for quickly refitting T-beam prefabrication, which is applied to the device for quickly refitting T-beam prefabrication, and the method comprises the following steps:
determining the length of the prefabricated T-shaped beam;
determining the length of the T-beam prefabricating pedestal 200 according to the length of the prefabricated T-beam;
determining the number of the concrete square piers 4 and the number of the T-beam prefabricated formworks 100 according to the length of the T-beam prefabricated pedestal 200;
when the number of the T-beam prefabricated formworks 100 is at least two, the different T-beam prefabricated formworks 100 are sequentially spliced on the T-beam prefabricated pedestal 200 to obtain the device for quickly modifying the T-beam prefabrication.
Optionally, the T-beam prefabricating formwork 100 is spliced on the T-beam prefabricating pedestal 200 in sequence, including:
each T-beam prefabricated template 100 of at least two T-beam prefabricated templates 100 is sequentially arranged on the supporting steel plate 3, and an inner template upper connecting hole 103 included in each T-beam prefabricated template 100 is connected with an inner template upper connecting hole 103 included in the adjacent T-beam prefabricated template 100 through a bolt.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A T-beam prefabricating device for quick modification is characterized by comprising a T-beam prefabricating pedestal and at least one T-beam prefabricating template;
the T-beam prefabricating pedestal comprises a supporting structure and a plurality of concrete square piers, and the upper end of each concrete square pier is connected with the supporting structure;
each concrete square pier in the plurality of concrete square piers is sequentially arranged in the same direction, each concrete square pier is arranged on the roadbed ground, and the upper end face of each concrete square pier is arranged in a flush manner;
the T-beam prefabricated template comprises two prefabricated moulds, the two prefabricated moulds have the same structure, and the two prefabricated moulds are symmetrically arranged;
the prefabricated mould comprises a truss and inner templates, the inner templates are fixed on the truss, the two inner templates of the two prefabricated moulds are oppositely arranged, and a gap space for pouring a T-shaped beam is arranged between the two inner templates; the edge of the inner template is provided with a connecting hole for connecting the inner templates of other T-beam prefabricated templates;
the lower end of the inner formwork is mounted on the support structure.
2. The apparatus for rapid retrofitting a T-beam prefabrication according to claim 1, wherein said support structure includes a plurality of transverse support steels, a longitudinal support assembly and support steel plates for supporting a prefabricated T-beam;
each transverse supporting steel in the plurality of transverse supporting steels corresponds to one concrete square pier in the plurality of concrete square piers, the transverse supporting steel is fixed on the concrete square pier, the upper end of each transverse supporting steel is connected with the longitudinal supporting assembly, and the arrangement direction of the longitudinal supporting assembly is perpendicular to the arrangement direction of each transverse supporting steel;
the supporting steel plate is arranged on the longitudinal supporting assembly along the full length direction of the supporting steel plate;
the lower end of the inner template is arranged on the supporting steel plate.
3. The apparatus for quickly retrofitting a T-beam erection device of claim 2, wherein the longitudinal support assembly comprises a first i-beam and two channel beams;
every the channel-section steel all with first I-steel is parallel, first I-steel is located between two channel-sections, first I-steel with the up end of two channel-sections all with the lower terminal surface of supporting steel plate is connected, first I-steel with the lower terminal surface of two channel-sections all with horizontal supporting steel is connected.
4. The device for quickly refitting T-beam prefabrication according to claim 3, wherein the two channel steels are symmetrically arranged on two sides of the first I-beam.
5. The apparatus for rapid retrofitting a T-beam according to claim 1, wherein an upper end face of each of the concrete piers is flush with the roadbed floor.
6. The device for quickly modifying T-beam prefabrication according to claim 2, wherein a steel seat is pre-embedded on the upper end surface of the concrete square pier;
the transverse supporting steel is welded on the steel seat.
7. The apparatus for rapid retrofitting a T-beam according to claim 1, wherein the distance between any arbitrary adjacent two of the plurality of concrete piers is the same.
8. The apparatus for rapid retrofitting a T-beam prefabrication according to claim 1, wherein the T-beam prefabrication formwork further includes at least one first tie, a stud and at least one second tie;
two ends of the first pull rod respectively penetrate through the two inner templates included in the two prefabricated molds and are connected to the lower ends of the two trusses;
the truss is fixed on the upright post;
the two ends of the second pull rod are respectively connected to the upper ends of the two stand columns included by the two prefabricated molds.
9. The apparatus of claim 1, wherein the prefabricated mold further comprises a plurality of tie plates for connecting a vibrator, each tie plate being fixed to a side of the truss remote from the inner formworks.
10. A method for rapid retrofitting of a T-beam prefabrication, the method being applied to the apparatus for rapid retrofitting a T-beam prefabrication of any one of claims 1 to 9, the method including:
determining the length of the prefabricated T-shaped beam;
determining the length of the T-beam prefabricating pedestal according to the length of the prefabricated T-beam;
determining the number of the concrete square piers and the number of T-beam prefabricated formworks according to the length of the T-beam prefabricated pedestal;
when the quantity of the T-beam prefabricated formworks is at least two, the T-beam prefabricated formworks which are different are sequentially spliced on the T-beam prefabricated pedestal to obtain the device for quickly modifying the T-beam prefabricating device.
CN201911036043.4A 2019-10-28 2019-10-28 Prefabrication method and device for quickly modifying T-shaped beam Pending CN110722658A (en)

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DD151784A1 (en) * 1980-06-30 1981-11-04 Manfred Jakob BASE EXTERIOR WALL CONSTRUCTION
CN201671063U (en) * 2010-05-25 2010-12-15 中铁十七局集团第三工程有限公司 Movable steel base for construction precast beams and standard knot thereof
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Application publication date: 20200124