CN212507063U - Inverted inserting grouting type precast concrete column structure - Google Patents

Inverted inserting grouting type precast concrete column structure Download PDF

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Publication number
CN212507063U
CN212507063U CN202020744136.4U CN202020744136U CN212507063U CN 212507063 U CN212507063 U CN 212507063U CN 202020744136 U CN202020744136 U CN 202020744136U CN 212507063 U CN212507063 U CN 212507063U
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China
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core
prefabricated
steel
steel bars
floor slab
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CN202020744136.4U
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Chinese (zh)
Inventor
陈越时
亓立刚
华晶晶
张晓勇
廖显东
张士前
刘亚男
马昕煦
李厂
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Abstract

The utility model relates to an insert grout formula precast concrete column structure upside down, include: prefabricating a formed first prefabricating section, wherein a plurality of first steel bars are pre-embedded in the first prefabricating section; a core segment prefabricated and placed on top of the first prefabricated segment; and a second prefabricated section prefabricated and placed on top of the core section; through pouring into thick liquids to the slip casting pipe in order to fill the perforating hole, and then place the prefabricated section of second in the top of core section for during the second reinforcing bar corresponds the thick liquids that insert in the perforating hole, with the first reinforcing bar of fixed connection and second reinforcing bar and form integrative concrete column structure. The utility model discloses solved the problem of precast concrete post construction difficulty effectively, simplified connection process, need not additionally set up interim support, promoted the efficiency of construction, promoted the overall stability of concrete column.

Description

Inverted inserting grouting type precast concrete column structure
Technical Field
The utility model relates to a building construction field refers in particular to a reverse insertion grouting formula precast concrete post structure.
Background
Along with the development of social modernization, the application of precast concrete structure is more extensive, but current precast concrete post often need carry out on-the-spot ligature reinforcing bar in the junctor node of upper and lower section to tie up and need build temporary support and support the precast concrete post section about the junctor in the process, the operation is comparatively complicated and the efficiency of construction is lower, and the integral stability of the concrete post of pouring formation is also relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a grout formula precast concrete post structure of inserting upside down, solved the problem of precast concrete post construction difficulty, simplify connection process, need not additionally set up interim support, promote the efficiency of construction, promote the overall stability of concrete column.
The technical scheme for realizing the purpose is as follows:
the utility model provides a plug-in grouting formula precast concrete post structure, include:
prefabricating a formed first prefabricated section, wherein a plurality of first steel bars are embedded in the first prefabricated section, and part of the first steel bars protrude outwards from the top of the first prefabricated section;
the core section is prefabricated and arranged at the top of the first prefabricated section, a through hole is formed in the core section corresponding to the first steel bar, the first steel bar penetrates through the through hole and is arranged in the core section, a connecting piece is pre-embedded in the core section, part of the connecting piece protrudes outwards and is fixedly connected with the cross beam, a vertical grouting pipe for grouting slurry is pre-embedded in the core section, and the end part of the grouting pipe is correspondingly flush with the bottom surface and the top surface of the core section; and
a second prefabricated section which is prefabricated and arranged at the top of the core section, wherein a plurality of second steel bars are embedded in the second prefabricated section corresponding to the first steel bars, the second steel bars partially protrude outwards from the bottom of the second prefabricated section, and the protruding parts of the second steel bars extend into the core section through the through holes and are in butt joint with the first steel bars;
through pouring into thick liquids to the slip casting pipe in order to fill the perforating hole, and then place the prefabricated section of second in the top of core section for during the second reinforcing bar corresponds the thick liquids that insert in the perforating hole, with the first reinforcing bar of fixed connection and second reinforcing bar and form integrative concrete column structure.
The utility model adopts the inverted grouting type precast concrete column structure, the first precast section, the second precast section and the core section are prefabricated, the first precast section is fixed at a designated position, the core section is arranged at the top of the first precast section, the first steel bar passes through the core section, the connecting piece in the core section is fixedly connected with the corresponding beam, the slurry is poured through the grouting pipe to fill the through hole, the second precast section is arranged at the top of the core section, the second steel bar is correspondingly inserted in the slurry in the through hole, the first steel bar and the second steel bar are fixedly connected after the slurry is condensed, thereby forming an integrated concrete column structure, the connecting piece in the prefabricated core area is directly utilized to be connected with the beam, no on-site binding of the steel bar is needed, in addition, the splicing mode from bottom to top does not need to additionally support the temporary support, and only the slurry is needed to be used to block the gap between the sections during on-site installation, the waiting time is short, so that the construction period is shortened, the problem of difficulty in construction of the precast concrete column is solved, the connection process is simplified, a temporary support does not need to be additionally erected, the construction efficiency is improved, and the overall stability of the concrete column is improved.
The utility model discloses a further improvement of the inverted grouting type precast concrete column structure lies in that the beam is a steel beam with an I-shaped cross section;
the connecting piece comprises a steel rib pre-embedded in the core section and an I-shaped steel which is fixed on the steel rib and partially protrudes outwards, the size of the I-shaped steel is matched with that of the steel beam, and the I-shaped steel is fixedly connected with the steel beam, so that the concrete column structure is fixedly connected with the cross beam.
The utility model discloses the further improvement of the inverted grouting type precast concrete column structure lies in that a plurality of floor slab reinforcing steel bars are bound above the beam;
the core section is pre-buried with a plurality of connecting ribs corresponding to the floor slab reinforcing steel bars, the connecting ribs partially protrude outwards from the side part of the core section to be in butt joint with the floor slab reinforcing steel bars, the floor slab is formed by pouring concrete on the cross beam, and the floor slab reinforcing steel bars and the connecting ribs are both buried in the floor slab.
The utility model discloses insert grout formula precast concrete column structure's further improvement lies in, and this splice bar passes through extrusion sleeve and floor reinforcing bar butt joint connection.
The utility model discloses a further improvement of the inverted grouting type precast concrete column structure lies in that a plurality of floor slab reinforcing steel bars are bound above the beam;
a set distance is reserved between the top surface of the core section and the bottom surface of the second prefabricated section so that the floor steel bars can penetrate through the core section;
concrete is poured on the top of the cross beam to form a floor slab, and then slurry is poured on the top of the core section to fixedly connect the core section and the second prefabricated section, so that an integrated concrete column structure is formed.
The utility model discloses the further improvement of inverted grouting formula precast concrete post structure lies in that, it has a thick liquids to fill in the clearance between first prefabricated section and the core section.
The utility model discloses the further improvement of inserting grout formula precast concrete post structure lies in, and this first reinforcing bar passes through sleeve and second reinforcing bar butt joint connection, and the sleeve is pre-buried in the core section.
Drawings
Fig. 1 is a front view of an embodiment of the inverted grouting type precast concrete column structure of the present invention.
Fig. 2 is the utility model discloses insert the plan view of core section among the grout formula precast concrete post structure upside down.
Fig. 3 is a front view of another embodiment of the inverted grouting type precast concrete column structure of the present invention.
Fig. 4 is a schematic diagram illustrating the arrangement of the formwork in another embodiment of the inverted grouting type precast concrete column structure of the present invention.
Figure 5 is the utility model discloses the front view of template in the formula of inserting grout formula precast concrete post structure upside down.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the utility model provides an inverted grouting type precast concrete column structure, through prefabricating a first precast section, a second precast section and a core section, and further fixing the first precast section to the ground, arranging the core section at the top of the first precast section and passing a first steel bar through the core section, fixedly connecting a connecting piece in the core section with a corresponding beam, and further arranging the second precast section at the top of the core section, and further filling gaps among the first precast section, the second precast section and the core section with concrete, thereby forming an integrated concrete column structure, directly connecting the connecting piece in the prefabricated core area with the beam, without binding steel bars on site, in addition, the splicing mode from bottom to top does not need to additionally support temporarily, and only needs to use concrete to block the gaps among the sections during site installation, the waiting time is short, the construction period is shortened, the problem of difficulty in construction of the precast concrete column is solved, the connection process is simplified, temporary supports do not need to be additionally erected, the construction efficiency is improved, and the overall stability of the concrete column is improved. The inverted grouting precast concrete column structure of the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a front view of an embodiment of the inverted grouting type precast concrete column structure according to the present invention. The inverted grouting precast concrete column structure of the present invention will be described with reference to fig. 1.
As shown in fig. 1, the utility model discloses insert grout formula precast concrete post structure upside down, include:
prefabricating a formed first prefabricated section 11, wherein a plurality of first steel bars 111 are embedded in the first prefabricated section 11, and part of the first steel bars 111 protrude outwards from the top of the first prefabricated section 11;
a core section 13 prefabricated and arranged on the top of the first prefabricated section 11, a through hole is formed in the core section 13 corresponding to the first steel bar 111, the first steel bar 111 penetrates through the through hole and is arranged in the core section 13, a connecting piece 131, part of which protrudes outwards and is fixedly connected with the cross beam 21, is embedded in the core section 13, a vertical grouting pipe 132 for grouting is embedded in the core section 13, and the end part of the grouting pipe 132 is correspondingly flush with the bottom surface and the top surface of the core section 13; and
a second prefabricated section 12 prefabricated and arranged at the top of the core section 13, wherein a plurality of second steel bars 121 are embedded in the second prefabricated section 12 corresponding to the first steel bars 111, part of the second prefabricated section 12 protrudes outwards from the bottom of the second prefabricated section 12, and the protruding parts of the second steel bars 121 extend into the core section 13 through holes and are in butt joint with the first steel bars 111;
the through hole is filled by pouring grout into the grouting pipe 132, and then the second prefabricated section 12 is placed on the top of the core section 13, so that the second steel bar 121 is correspondingly inserted into the grout in the through hole, thereby fixedly connecting the first steel bar 111 and the second steel bar 121 and forming an integrated concrete column structure.
Preferably, the core section 13 is embedded with corrugated pipes corresponding to the first steel bars 111 to form through holes and facilitate the first steel bars 111 to pass through the core section 13.
Preferably, the gap between the first prefabricated section 11 and the core section 13 is filled with base slurry, the base slurry takes cement as a cementing material, is matched with a composite additive and high-strength aggregate, and can be used after being added with water and stirred on site.
Specifically, the first steel bar 111 is connected to the second steel bar 121 through a sleeve, and the sleeve is pre-buried in the core section 13.
Specifically, the cross beam 21 is a steel beam with an i-shaped cross section;
the connecting member 131 includes a steel rib 1312 pre-embedded in the core section 13 and an i-steel 1311 fixed to the steel rib 1312 and partially protruding outwards, the size of the i-steel 1311 is matched with that of the steel beam, the i-steel 1311 is fixedly connected with the steel beam, so that the concrete column structure is fixedly connected with the cross beam 21, and the steel rib 1312 can further improve the strength of the core section 13 and the strength of the connection part with the cross beam 21.
As a preferred embodiment of the present invention, as shown in fig. 1 and 2, a plurality of floor slab reinforcing bars 221 are bound above the beam 21;
a plurality of connecting ribs 133 are embedded in the core section 13 corresponding to the floor slab reinforcing bars 221, and the connecting ribs 133 partially protrude outwards from the side portion of the core section 13 to be in butt joint with the floor slab reinforcing bars 221, so as to form the floor slab 22 by pouring concrete on the cross beam 21, and the floor slab reinforcing bars 221 and the connecting ribs 133 are both embedded in the floor slab 22.
Preferably, the connecting rib 133 is butt-jointed to the floor slab reinforcing bars 221 by means of an extrusion sleeve.
As another preferred embodiment of the present invention, as shown in fig. 3 and 4, a plurality of floor slab reinforcing bars 221 are bound above the beam 21;
a set distance is reserved between the top surface of the core section 13 and the bottom surface of the second prefabricated section 12 for the floor slab steel bars 221 to pass through;
concrete is poured on the top of the cross beam 21 to form a floor slab 22, and then slurry is poured on the top of the core section 13 to fixedly connect the core section 13 and the second prefabricated section 12, so that an integrated concrete column structure is formed.
Preferably, as shown in fig. 5, a form 23 may be disposed at the top edge of the core section before the floor slab 22 is poured to enclose the through hole and prevent the concrete for pouring the floor slab 22 from blocking the through hole, and the form 23 has a plurality of grooves for the floor slab reinforcement bars 221 to pass through.
The specific implementation manner of the utility model is as follows:
fixing the first prefabricated section 11 on the ground, placing the core section 13 on the top of the first prefabricated section 11, and penetrating the first steel bar 111 into the core section 13;
the connecting piece 131 of the core section 13 is fixedly connected with the corresponding cross beam 21 and can be fixed in a mode of fixedly connecting a connecting plate and a bolt;
if the core section 13 is pre-embedded with connecting bars 133, as shown in fig. 1 and 2, floor slab reinforcing bars 221 are bound above the cross beams 21, and the floor slab reinforcing steel bars 221 and the corresponding connecting bars 133 are fixedly connected through the extrusion sleeves, concrete is poured on the cross beams 21 to form the floor slab 22, at the moment, the corresponding parts of the floor slab reinforcing steel bars 221 and the connecting steel bars 133 are buried in the floor slab 22, grouting into the grouting pipe 132, the grout flows to the bottom of the core section 13 through the grouting pipe 132 and flows to the first reinforcement 111 along the top of the first precast segment 11, and flows along the first rebar 111 until it fills the through-hole and emerges from the top of the through-hole, placing the second precast segment 12 on top of the core segment 13, the second steel bars 121 are correspondingly inserted into the unset slurry in the through holes, redundant slurry in the through holes is extruded out to fill the gap between the second prefabricated section 12 and the core section 13, and the second prefabricated section 12 is fixedly connected with the core section 13 after the slurry is solidified;
if the core section 13 is not pre-embedded with the connecting bar 133, as shown in fig. 3 and 4, the floor slab reinforcing bars 221 are bound on the cross beam 21, and the floor slab reinforcing bars 221 pass through the top of the core section 13, the form 23 is erected at the top edge of the core section 13 to enclose the through hole, the floor slab reinforcing bars 221 correspondingly pass through the grooves of the form 23, concrete is poured on the cross beam 21 outside the form 23, so that the corresponding portions of the floor slab reinforcing bars 221 are embedded in the floor slab 22, the form 23 is removed, at this time, a concave space is formed at the top of the core section 13, slurry is poured on the concave space, the slurry flows to the bottom of the core section 13 through the slurry pouring pipe 132 and fills the through hole along the first reinforcing bars 111 until the surface of the slurry is close to the surface of the floor slab 22, the second prefabricated section 12 is placed at the top of the core section 13, and the second reinforcing bars 121 are inserted in the slurry which is not coagulated in the through hole, after the slurry, the first steel bars 111 and the second steel bars 121 are fixedly connected to form an integrated concrete column structure;
the concrete column that this kind of mode formed is connected with crossbeam 21 and floor 22 and is a body structure, floor 22 and crossbeam 21's bearing capacity is strong, and technology is comparatively simple, need not additionally set up bearing structure and also need not carry out on-the-spot ligature with the reinforcing bar of concrete column and floor 22 or crossbeam 21, construction efficiency has been promoted, adopt this kind of technology of pouring earlier and then insert upside down to avoid the post-cast operation in addition, the latency has been practiced thrift, and the operation of being convenient for, the quality of grouting construction has also been guaranteed.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims (7)

1. The utility model provides a reverse insertion slip casting formula precast concrete post structure which characterized in that includes:
prefabricating a formed first prefabricated section, wherein a plurality of first steel bars are embedded in the first prefabricated section, and part of the first steel bars protrude outwards from the top of the first prefabricated section;
the core section is prefabricated and arranged at the top of the first prefabricated section, a through hole is formed in the core section corresponding to the first steel bar, the first steel bar penetrates through the through hole and is arranged in the core section, a connecting piece is pre-embedded in the core section, part of the connecting piece protrudes outwards and is fixedly connected with the cross beam, a vertical grouting pipe for grouting slurry is pre-embedded in the core section, and the end part of the grouting pipe is correspondingly flush with the bottom surface and the top surface of the core section; and
a second prefabricated section which is prefabricated and is arranged at the top of the core section, wherein a plurality of second steel bars are pre-embedded in the second prefabricated section corresponding to the first steel bars, the second steel bars partially protrude outwards from the bottom of the second prefabricated section, and the protruding parts of the second steel bars extend into the core section through the through holes and are in butt joint with the first steel bars;
and filling the through hole with slurry by pouring slurry into the grouting pipe, and placing the second prefabricated section on the top of the core section, so that the second steel bars are correspondingly inserted into the slurry in the through hole, and the first steel bars and the second steel bars are fixedly connected to form an integrated concrete column structure.
2. The inverted grouting type precast concrete column structure according to claim 1, wherein the beam is a steel beam having an i-shaped section;
the connecting piece comprises a steel rib pre-buried in the core section and an I-shaped steel which is fixed on the steel rib and partially protrudes outwards, the size of the I-shaped steel is matched with that of the steel beam, and the concrete column structure is fixedly connected with the cross beam through the I-shaped steel and the steel beam.
3. The inverted grouting type precast concrete column structure according to claim 2, wherein a plurality of floor slab reinforcing steel bars are bound above the cross beam;
the core section is pre-buried with a plurality of splice bars corresponding to the floor slab reinforcing bars, and the splice bar part is from the lateral part of the core section to the evagination in order to be connected with the butt joint of floor slab reinforcing bar, through pour concrete on the crossbeam in order to form the floor slab, and the floor slab reinforcing bar with the splice bar all buries underground in the floor slab.
4. The inverted grouting precast concrete column structure of claim 3, wherein the connecting rib is butt-jointed with the floor slab reinforcing steel by an extrusion sleeve.
5. The inverted grouting type precast concrete column structure according to claim 2, wherein a plurality of floor slab reinforcing steel bars are bound above the cross beam;
a set distance is reserved between the top surface of the core section and the bottom surface of the second prefabricated section so that the floor slab steel bars can penetrate through the core section;
and pouring concrete on the top of the cross beam to form a floor slab, and pouring slurry on the top of the core section to fixedly connect the core section and the second prefabricated section, so that an integrated concrete column structure is formed.
6. The column structure of claim 1, wherein a gap between the first precast segment and the core segment is filled with a socket slurry.
7. The inverted grouting type precast concrete column structure of claim 1, wherein the first steel bars are connected with the second steel bars in a butt joint manner through sleeves, and the sleeves are pre-embedded in the core section.
CN202020744136.4U 2020-05-08 2020-05-08 Inverted inserting grouting type precast concrete column structure Active CN212507063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020744136.4U CN212507063U (en) 2020-05-08 2020-05-08 Inverted inserting grouting type precast concrete column structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020744136.4U CN212507063U (en) 2020-05-08 2020-05-08 Inverted inserting grouting type precast concrete column structure

Publications (1)

Publication Number Publication Date
CN212507063U true CN212507063U (en) 2021-02-09

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ID=74444297

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CN202020744136.4U Active CN212507063U (en) 2020-05-08 2020-05-08 Inverted inserting grouting type precast concrete column structure

Country Status (1)

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CN (1) CN212507063U (en)

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