CN212561120U - Post-cast concrete type connecting structure between prefabricated top cap and pier stud - Google Patents
Post-cast concrete type connecting structure between prefabricated top cap and pier stud Download PDFInfo
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- CN212561120U CN212561120U CN202021230466.8U CN202021230466U CN212561120U CN 212561120 U CN212561120 U CN 212561120U CN 202021230466 U CN202021230466 U CN 202021230466U CN 212561120 U CN212561120 U CN 212561120U
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Abstract
The utility model provides a post-cast concrete formula connection structure between prefabricated hood and pier stud, including basis, prefabricated pier stud and prefabricated hood, the basis is assembled with prefabricated pier stud, prefabricated pier stud transversely has two, with basic center line symmetrical arrangement. Prefabricated pier stud inside is equipped with pier stud owner muscle, prefabricated pier stud top sets up the connecting plate. The transverse length of the prefabricated top cap is 20-30cm larger than one side of the clear distance between the prefabricated pier columns, so that the prefabricated top cap can be temporarily supported on the prefabricated pier columns during assembling; the longitudinal width of the prefabricated top cap is 5cm smaller than the clear distance between the inner sides of the connecting plates, and the prefabricated top cap can be installed on the inner sides of the connecting plates during assembling. And end surfaces on two sides of the prefabricated top cap extend out of the transverse connecting reinforcing steel bars and the longitudinal connecting reinforcing steel bars. Pouring concrete at the joint of the prefabricated top cap and the prefabricated pier stud to finish assembly. The prefabricated top cap with the connection structure has the advantages of light weight, few assembling procedures, small construction difficulty, good quality and low cost.
Description
Technical Field
The utility model relates to a bridge construction field especially relates to a post-cast concrete formula connection structure between prefabricated hood and pier stud.
Background
The fabricated structure has the advantages of small construction interference, high construction speed, meeting green construction requirements and the like, is applied to partial engineering in municipal administration and highways, and starts to be researched and applied to domestic railway and urban rail traffic engineering in recent years.
The general bridge floor is narrower in railway and urban rail transit structures, the transverse width of a pier structure is small, when the fabricated pier adopts a frame type structure, the fabricated pier consists of a prefabricated top cap and two prefabricated pier studs, the prefabricated top cap and the pier studs are both of reinforced concrete structures, the prefabricated top cap part is often large in size and heavy in weight due to the influence of an upper support structure, and the hoisting difficulty is increased; the prefabricated top cap and the prefabricated pier stud are generally connected by sleeve grouting or corrugated pipes during assembly, steel bar joints are required to be correspondingly inserted into the sleeve grouting or corrugated pipes one by one during connection, and then grouting is performed one by one, so that the precision requirement is high, and the construction procedures are multiple; the prefabricated top cap and the two prefabricated pier columns are connected simultaneously, so that the construction control difficulty is high; the cost tends to be high. Therefore, the research and development of a post-cast concrete type connecting structure between a prefabricated top cap and a pier stud and a construction method are problems to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a post-cast concrete formula connection structure between prefabricated hood and pier stud, with low costs, the process is few, construction convenience.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a post-cast concrete formula connection structure between prefabricated hood and pier stud, includes prefabricated pier stud and prefabricated hood prefabricated pier stud inside is equipped with the pier stud owner muscle prefabricated pier stud top sets up the connecting plate, prefabricated hood both sides terminal surface stretches out transverse connection reinforcing bar and longitudinal connection reinforcing bar prefabricated hood pours the post-cast concrete with prefabricated pier stud junction, accomplishes and assembles.
Further, this structure still includes the basis, the basis is assembled with prefabricated pier stud, prefabricated pier stud transversely has two, with basic center line symmetrical arrangement.
Further, the binding has the stirrup on the pier stud owner muscle, the pier stud owner muscle adopts the necking down to arrange on prefabricated pier stud top, and the stirrup gradually changes along with pier stud owner muscle in the necking down part, pier stud owner muscle stretches out prefabricated pier stud top certain length, and the extension is located inside the connecting plate.
Furthermore, the transverse connecting steel bars are arranged in a layered mode along the height direction of the prefabricated top cap, the number of layers is encrypted in the top area of the prefabricated top cap, and local pressure bearing at the upper support is guaranteed; the prefabricated top cap is arranged in the gap of main ribs of the pier column to be connected, so that the prefabricated top cap and the main ribs can penetrate into each other during assembly; the longitudinal connecting steel bars are bound on the transverse connecting steel bars to form a net structure, and the net structure is arranged in gaps of main reinforcements of the pier columns to be connected to ensure that the main reinforcements penetrate into each other during assembling; the transverse beam connecting steel bars and the longitudinal connecting steel bars ensure the longitudinal and transverse stress of the prefabricated pier stud and the prefabricated top cap node.
Furthermore, the end surfaces of two sides of the prefabricated top cap are convex, so that the vertical shear resistance and the contact surface connection strength between the prefabricated top cap and the post-cast concrete are guaranteed. The transverse length of the prefabricated top cap is 20-30cm larger than one side of the clear distance between the prefabricated pier columns, so that the prefabricated top cap can be temporarily supported on the prefabricated pier columns during assembling; the longitudinal width of the prefabricated top cap is 5cm smaller than the clear distance between the inner sides of the connecting plates, and the prefabricated top cap can be installed on the inner sides of the connecting plates during assembling.
Further, the connecting plate comprises three boards, and the below is connected on prefabricated pier stud to with prefabricated pier stud prefabricate jointly, transversely be open structure, the top surface with prefabricated hood top flushes.
Further, the inside shear reinforcement that is equipped with of pier stud owner muscle, shear reinforcement is pre-buried in prefabricated pier stud, and certain length of prefabricated pier stud is stretched out on upper portion, arranges in the transverse connection reinforcing bar and the longitudinal connection reinforcing bar clearance of prefabricated hood, provides shear resistance for between post-cast concrete and the prefabricated pier stud.
Further, the post-cast concrete is poured in a closed area formed by enclosing the prefabricated top cap, the prefabricated pier stud and the connecting plate, and the upper part of the post-cast concrete is flush with the prefabricated top cap; when pouring, temporary templates do not need to be erected on the periphery, and the compensation shrinkage high-strength concrete is adopted to pour and vibrate from the top surface, so that the construction quality is easy to ensure.
Furthermore, a supporting block is arranged at the contact part of the prefabricated top cap and the prefabricated pier stud assembly, and the supporting block is made of elastic materials, so that the line shape during assembly is guaranteed.
Furthermore, a gap between the prefabricated top cap and the connecting plate is filled through a sealing seam, so that no slurry leakage is caused during post-cast concrete pouring.
Furthermore, the inner side of the connecting plate and the top surface of the prefabricated pier stud are subjected to chiseling treatment, so that the connection with post-cast concrete is enhanced.
Compared with the prior art, precast top cap and pier post pouring concrete formula connection structure between have following advantage:
1. after the prefabricated top cap and the prefabricated pier stud connecting area are provided, the concrete is poured, the weight of the prefabricated top cap is greatly reduced, and the transportation and hoisting weight is reduced.
2. The post-cast concrete adopts once pouring, grout one by one when need not the steel bar connection, and utilizes structure itself as the template when pouring, need not to set up the template in addition, and the process is few, construction convenience.
3. The construction tolerance is big when prefabricated hood is assembled with prefabricated pier stud, and it is big to reserve the reinforcing bar clearance, is convenient for penetrate each other, has reduced the degree of difficulty when prefabricated hood is assembled with two pier studs simultaneously.
4. The prefabricated top cap and the prefabricated pier stud are reliably connected, the construction quality of the connecting position is easy to guarantee, special materials are not needed, and the cost is obviously reduced.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a sectional view taken along line I-I of FIG. 1;
FIG. 3 is a schematic structural view of a prefabricated pier stud of the present invention;
FIG. 4 is a sectional view taken along line II-II of FIG. 3;
FIG. 5 is a schematic structural view of a middle prefabricated top cap of the present invention;
fig. 6 is a cross-sectional view iii-iii of fig. 5.
Description of reference numerals:
1. a foundation; 2. prefabricating a pier stud; 21. a connecting plate; 3. prefabricating a top cap; 4. a support block; 5. post-pouring concrete; 61. transversely connecting reinforcing steel bars; 62. longitudinally connecting reinforcing steel bars; 71. pier stud main reinforcement; 72. pier stud hooping; 73. shear reinforcement bars; 8. and sealing the seam.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-6, a post-cast concrete type connection structure between a prefabricated top cap and a pier stud comprises a foundation 1, prefabricated pier studs 2 and prefabricated top caps 3, wherein the foundation 1 and the prefabricated pier studs 2 are assembled, and the prefabricated pier studs 2 are transversely arranged in two and are symmetrically arranged with the center line of the foundation 1. Prefabricated pier stud 2 is inside to be equipped with pier stud owner muscle 71 prefabricated pier stud 2 top sets up connecting plate 21. The end surfaces of two sides of the prefabricated top cap 3 are convex, so that the vertical shearing resistance and the contact surface connection strength between the prefabricated top cap and post-cast concrete are guaranteed. The transverse length of the prefabricated top cap 3 is 20-30cm larger than one side of the clear distance between the prefabricated pier studs 2, so that the prefabricated top cap can be temporarily supported on the prefabricated pier studs during assembly; the longitudinal width of the prefabricated top hat 3 is 5cm smaller than the clear distance of the inner side of the connecting plate 21, and the prefabricated top hat can be installed on the inner side of the connecting plate 21 during assembling. And end surfaces on two sides of the prefabricated top cap 3 extend out of the transverse connecting steel bars 61 and the longitudinal connecting steel bars 62, and post-cast concrete 5 is poured at the joint of the prefabricated top cap 3 and the prefabricated pier stud 2 to finish assembling. The prefabricated top cap 3 is provided with a supporting block 4 at the contact part assembled with the prefabricated pier stud 2, and the supporting block 4 is made of elastic materials so as to ensure the linear shape during assembly. And filling the gap between the prefabricated top cap 3 and the connecting plate 21 through the sealing seam 8, so as to ensure that no slurry is leaked during post-cast concrete pouring. And the inner side of the connecting plate 21 and the top surface of the prefabricated pier stud 2 are subjected to roughening treatment, so that the connection with post-cast concrete is enhanced.
Binding has stirrup 72 on pier stud owner muscle 71, pier stud owner muscle 71 adopts the necking down to arrange on 2 tops of prefabricated pier stud, and stirrup 72 changes gradually along with pier stud owner muscle 71 at the necking down part, pier stud owner muscle 71 stretches out prefabricated pier stud 2 top certain length, and the part that stretches out is located inside connecting plate 21. Pier stud owner muscle 71 is inside to be equipped with shear reinforcement 73, shear reinforcement 73 is pre-buried in prefabricated pier stud 2, and prefabricated pier stud 2 certain length is stretched out on upper portion, arranges in the transverse connection reinforcing bar 61 and the vertical connection reinforcing bar 62 clearance of prefabricated hood 3, provides shear resistance for between post-cast concrete and the prefabricated pier stud. The transverse connecting steel bars 61 are arranged in layers along the height direction of the prefabricated top cap 3, the number of layers is encrypted in the top area of the prefabricated top cap 3, and the local pressure bearing of the upper support is ensured; the prefabricated top cap 3 is arranged in the gap of the main pier stud ribs 71 to be connected, so that the prefabricated top cap and the prefabricated top cap can penetrate into each other during assembly; the longitudinal connecting steel bars 62 are bound on the transverse connecting steel bars 61 to form a net structure, and the net structure is arranged in gaps of main pier studs 71 to be connected and ensures that the pier studs penetrate into each other during assembly; the transverse beam connecting steel bars and the longitudinal connecting steel bars ensure the longitudinal and transverse stress of the prefabricated pier stud and the prefabricated top cap node.
Connecting plate 21 comprises three boards, and the below is connected on prefabricated pier stud 2 to with prefabricated pier stud 2 prefabricate jointly, transversely be open structure, the top surface with prefabricated hood 3 top flushes. The post-cast concrete 5 is poured in a closed area defined by the prefabricated top cap 3, the prefabricated pier stud 2 and the connecting plate 21, and the upper part of the closed area is flush with the prefabricated top cap 3; when pouring, temporary templates do not need to be erected on the periphery, and the compensation shrinkage high-strength concrete is adopted to pour and vibrate from the top surface, so that the construction quality is easy to ensure.
The construction method of the post-cast concrete type connecting structure between the prefabricated top cap and the pier stud comprises the following steps:
step one, constructing a foundation 1, and finishing manufacturing the prefabricated pier stud 2 and the prefabricated top cap 3.
And step two, assembling the two prefabricated pier studs 2 and the foundation 1, and hoisting the prefabricated top cap 3.
And step three, mounting the supporting blocks 4 on the prefabricated pier stud 2, assembling the prefabricated top cap 3, and inserting the pier stud main reinforcements 71 and the shear reinforcements 73 into gaps between the transverse connecting reinforcements 61 and the longitudinal connecting reinforcements 62 on the prefabricated top cap 3.
And step four, installing a sealing seam 8, pouring the post-cast concrete 5 from the top surface, and maintaining.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a post-cast concrete formula connection structure between prefabricated hood and pier stud which characterized in that: including prefabricated pier stud and prefabricated hood prefabricated pier stud inside is equipped with pier stud owner muscle prefabricated pier stud top sets up the connecting plate, horizontal connection reinforcing bar and longitudinal connection reinforcing bar are stretched out to prefabricated hood both sides terminal surface prefabricated hood pours the back concrete with prefabricated pier stud junction, accomplishes and assembles.
2. The post-cast concrete type connecting structure between the prefabricated top cap and the pier stud according to claim 1, characterized in that: this structure still includes the basis be equipped with two prefabricated pier stud on the basis, with basic center line symmetrical arrangement, the basis is assembled with prefabricated pier stud and is connected.
3. The post-cast concrete type connecting structure between the prefabricated top cap and the pier stud according to claim 1 or 2, wherein: the ligature has the stirrup on the pier stud owner muscle, the pier stud owner muscle adopts the necking down to arrange on prefabricated pier stud top, and the stirrup gradually changes along with the pier stud owner muscle in the necking down part, prefabricated pier stud top is stretched out to the pier stud owner muscle, and the extension is located inside the connecting plate.
4. The post-cast concrete type connection structure between the prefabricated top cap and the pier stud according to claim 3, wherein: the transverse connecting steel bars are arranged in layers along the height direction of the prefabricated top cap and are arranged in gaps of main bars of the pier column to be connected along the prefabricated top cap; and the longitudinal connecting steel bars are bound on the transverse connecting steel bars to form a net structure and are arranged in gaps of main bars of the pier column to be connected.
5. The post-cast concrete type connecting structure between the prefabricated top cap and the pier stud according to claim 1, characterized in that: the end surfaces of two sides of the prefabricated top cap are convex, the transverse length of the prefabricated top cap is 20-30cm larger than one side of the clear distance between the prefabricated pier columns, and the longitudinal width of the prefabricated top cap is 5cm smaller than one side of the clear distance between the inner sides of the connecting plates.
6. The post-cast concrete type connecting structure between the prefabricated top cap and the pier stud according to claim 1, characterized in that: the connecting plate comprises three boards, and the below is connected on prefabricated pier stud to prefabricate jointly with prefabricated pier stud, transversely be open structure, the top surface with prefabricated hood top flushes.
7. The post-cast concrete type connection structure between the prefabricated top cap and the pier stud according to claim 4, wherein: the pier stud main reinforcement is internally provided with shear steel bars, the shear steel bars are embedded in the prefabricated pier stud, the upper part of the shear steel bars extends out of the prefabricated pier stud and is arranged in the gap between the transverse connecting steel bars and the longitudinal connecting steel bars of the prefabricated top cap.
8. The post-cast concrete type connecting structure between the prefabricated top cap and the pier stud according to claim 1, characterized in that: and pouring the post-cast concrete into a closed area surrounded by the prefabricated top cap, the prefabricated pier stud and the connecting plate, wherein the upper part of the post-cast concrete is flush with the prefabricated top cap.
9. The post-cast concrete type connection structure between the prefabricated top cap and the pier stud according to claim 4, wherein: and a supporting block is arranged at the assembly position of the prefabricated top cap and the prefabricated pier stud and is made of an elastic material.
10. The post-cast concrete type connecting structure between the prefabricated top cap and the pier stud according to claim 9, wherein: and filling the gap between the prefabricated top cap and the connecting plate through a sealing seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021230466.8U CN212561120U (en) | 2020-06-29 | 2020-06-29 | Post-cast concrete type connecting structure between prefabricated top cap and pier stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021230466.8U CN212561120U (en) | 2020-06-29 | 2020-06-29 | Post-cast concrete type connecting structure between prefabricated top cap and pier stud |
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| Publication Number | Publication Date |
|---|---|
| CN212561120U true CN212561120U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021230466.8U Active CN212561120U (en) | 2020-06-29 | 2020-06-29 | Post-cast concrete type connecting structure between prefabricated top cap and pier stud |
Country Status (1)
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| CN (1) | CN212561120U (en) |
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- 2020-06-29 CN CN202021230466.8U patent/CN212561120U/en active Active
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