CN218345938U - Claw rib and pier reinforcing steel bar structure based on claw rib structure and capable of preventing buckling of longitudinal rib - Google Patents
Claw rib and pier reinforcing steel bar structure based on claw rib structure and capable of preventing buckling of longitudinal rib Download PDFInfo
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- CN218345938U CN218345938U CN202222192086.5U CN202222192086U CN218345938U CN 218345938 U CN218345938 U CN 218345938U CN 202222192086 U CN202222192086 U CN 202222192086U CN 218345938 U CN218345938 U CN 218345938U
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Abstract
The utility model relates to a claw muscle and prevent pier steel bar construction of indulging muscle bucking based on claw muscle structure, pier steel bar construction, including indulging muscle and claw muscle, indulge the muscle and set up a plurality ofly, equal parallel arrangement, claw muscle welding is on indulging the muscle, and on every indulges the muscle, the claw muscle is arranged according to the vertical interval of a determining deviation edge vertical muscle, and the direction of all claw muscles all is located the inside of treating fashioned pier, and the claw muscle provides the side direction restraint for indulging the muscle, prevents to indulge the muscle and takes place local buckling. The utility model discloses based on rectangle cross section form pier, provide claw muscle and prevent the pier reinforcing bar structure of indulging muscle bucking based on claw muscle structure, follow the muscle longitudinal arrangement according to the determining deviation with the claw muscle, this cloth muscle type utilizes the claw muscle to replace compound stirrup on the basis of standard cloth muscle type. In the structure stress process, the claw ribs provide lateral restraint for the longitudinal ribs and prevent the longitudinal ribs from local buckling.
Description
Technical Field
The utility model belongs to the technical field of the construction, especially, relate to a claw muscle and prevent pier reinforcing bar structure of muscle bucking from indulging based on claw muscle structure.
Background
At present, the application of the prefabricated bridge pier in China generally adopts a rectangular section form. For the section type pier structure, the current specification of China, namely design specification of reinforced concrete and prestressed concrete bridges and culverts (JTG 3362-2018) 9.6.1, the 5 th point of the current specification shows that the structure of the pier is definite: the longitudinal stressed steel bars in the member should be arranged in the range of the distance s from the center of the angle bar not more than 150mm or 15 times of the diameter (larger) of the stirrup, and if the longitudinal stressed steel bars are arranged in the range, the composite stirrups and the tie bars should be arranged. The hook connections of adjacent stirrups should be staggered in the longitudinal direction, as shown in FIG. 1. In the rectangular-section pier, a lashing stirrup with a 90 ° or 135 ° hook is often used, as shown in fig. 2. And based on the standard construction requirement, a large amount of internal composite stirrups and tie bars are often required to be arranged inside the outer-layer stirrups. In practical application, the fabricated pier is usually fabricated by arranging a steel reinforcement cage jig in a factory, fixing the position of a longitudinal stirrup in the jig, and then binding an external stirrup and an internal stirrup. According to the traditional stirrup arrangement method in the specification, the distance between each layer of the stirrups is 100mm to 200mm, each layer of the stirrups comprises a plurality of closed stirrups, the total stirrups are numerous, the processing of stirrup hook positions and the binding of reinforcing meshes need to be manually carried out in the column prefabricating process, the binding and fixing stirrups occupy a large amount of time, the automation and the mechanization degree are low, and the production efficiency of the prefabricated columns is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the current situation that ligature and fixed stirrup are power consumption consuming time in the preparation of assembled pier among the prior art, the utility model provides a claw muscle and prevent pier reinforcing bar structure of muscle bucking from indulging based on claw muscle structure.
Based on the utility model provides a claw muscle and prevent pier reinforcing bar structure of muscle bucking of indulging based on claw muscle structure can save the interior structure and require required numerous and diverse closed stirrup, will improve the production efficiency of the mill prefabrication of prefabricated pier greatly.
The purpose of the utility model can be realized through the following technical scheme:
the utility model firstly provides a claw rib which is used for being welded on a longitudinal rib, the longitudinal rib is a longitudinal rib used for forming the reinforcing steel bar structure of the pier, the claw rib provides lateral restraint for the longitudinal rib, prevents the longitudinal rib from generating local buckling,
the claw-shaped rib comprises a welding area, a tension area and an anchoring area, wherein the welding area is used for being welded on the longitudinal rib, the anchoring area is used for being anchored in concrete, and the tension area is connected with the welding area and the anchoring area.
In one embodiment of the present invention, the welding zone is a first reinforcing bar segment, the tension zone includes a second reinforcing bar segment and a third reinforcing bar segment, the anchoring zone includes a fourth reinforcing bar segment and a fifth reinforcing bar segment, the fourth reinforcing bar segment and the fifth reinforcing bar segment are positioned on the same straight line, the fourth reinforcing bar segment and the fifth reinforcing bar segment are spaced apart, the fourth reinforcing bar segment and the fifth reinforcing bar segment are both arranged in parallel with the first reinforcing bar segment,
the fourth steel bar section, the second steel bar section, the first steel bar section, the third steel bar section and the fifth steel bar section are sequentially connected, and meanwhile, the second steel bar section is intersected with the third steel bar section.
In an embodiment of the present invention, the claw rib is an integrally formed steel bar structure.
The reinforcing steel bars forming the welding area, the tension area and the anchoring area of the claw steel bars can also be in an arc structure, a curve structure or a straight line structure.
The utility model discloses an in one embodiment, the first end of second reinforcing bar section is connected with the first end of first reinforcing bar section, the second end of second reinforcing bar section is connected with the first end of fourth reinforcing bar section, the first end of third reinforcing bar section is connected with the second end of first reinforcing bar section, the second end of third reinforcing bar section is connected with the first end of fifth reinforcing bar section.
The utility model also provides a pier reinforcing bar structure of muscle bucking is indulged in preventing based on claw muscle structure, including indulging muscle and claw muscle, it sets up a plurality ofly to indulge the muscle, equal parallel arrangement, claw muscle welding is on indulging the muscle, and on every indulges the muscle, the claw muscle is arranged according to the vertical interval of muscle along indulging at a certain interval, and the direction of all claw muscles all is located the inside of treating fashioned pier.
The utility model discloses an in the embodiment, the mode that the claw muscle welds on indulging the muscle does: and the fourth steel bar section and the fifth steel bar are vertically arranged.
In one embodiment of the present invention, the claw ribs are arranged along the longitudinal ribs at intervals of 100mm to 200 mm.
In an embodiment of the present invention, the pier rebar structure based on the claw-rib structure for preventing buckling of the longitudinal ribs further includes a cross-section hoop, the cross-section hoop is connected to the outside of all the longitudinal ribs, and please surround all the longitudinal ribs. At the moment, the section hoop and the pier column longitudinal bar are combined to form a grid shear steel bar, and the grid shear steel bar bears horizontal component force and vertical component force generated under the stress working condition of bending shear respectively, so that the grid shear steel bar plays a role in shearing resistance.
In one embodiment of the present invention, the section hoops are arranged at intervals along the longitudinal ribs.
In one embodiment of the invention, the section hoops are arranged along the longitudinal bars at intervals of 100mm to 200 mm.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
for simplifying the construction, improving reinforcement degree of automation, the utility model discloses based on rectangular cross section form pier, propose claw muscle and prevent the pier reinforcing bar structure of indulging the muscle bucking based on claw muscle structure, follow the muscle longitudinal arrangement with the claw muscle according to the determining deviation, this cloth muscle type utilizes the claw muscle to replace compound stirrup on standardizing cloth muscle type basis. In the structure stress process, the claw ribs provide lateral restraint for the longitudinal ribs and prevent the longitudinal ribs from local buckling.
The utility model discloses a claw muscle can save and indulge the muscle internal construction and require required numerous and diverse closed stirrup as preventing the novel structure that indulges the muscle bucking, will improve the production efficiency of the factory prefabrication of prefabricated pier greatly. The hoop system has the advantages of definite stress target, simple structure, easy construction and production, less operation requirement on workers, wide application range, and realization of various advantages of environmental protection, economy and the like by a prefabrication construction method.
And simultaneously, based on the technical scheme of the utility model, can combine digitization, information-based production mode, realize standardized high-efficient production with the help of intelligent automation technology. The scheme can actively respond to the policies of national informatization, industrialization, intellectualization and green construction, reduce the interference of site construction on road traffic, reduce the adverse effect of construction on the environment, improve the utilization efficiency and construction quality of resources and embody the advantage of 'centralized prefabrication'. The research results have general applicability, and will produce certain popularization and radiation effect to precast concrete pier.
Further, the utility model discloses in, the combination of cross-section hoop and pier stud longitudinal bar forms net shear reinforcement, undertakes horizontal component and the vertical component that produces under the bending shear atress operating mode condition respectively, plays the effect of shearing.
Drawings
FIG. 1 is a layout view of a composite stirrup and a tie bar in a center pillar according to the prior art;
FIG. 2 is a conventional rectangular cross-section pier stirrup arrangement form;
fig. 3 is a schematic view of the claw rib structure in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of the claw rib welded on the longitudinal rib in embodiment 1 of the present invention;
fig. 5 is a schematic view of a longitudinal arrangement structure of claw ribs welded on longitudinal ribs in embodiment 1 of the present invention;
fig. 6 is a structural schematic diagram of a pier reinforcement structure based on a claw reinforcement structure for preventing buckling of longitudinal reinforcements in embodiment 1 of the present invention;
fig. 7 is the utility model discloses among 2 based on the pier reinforcing bar structure schematic diagram of preventing indulging muscle bucking of claw muscle structure.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate 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 invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, the technical solutions between the embodiments can be combined with each other, but it must be based on the realization of the ordinary skilled person in the art, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 3 and 4, in the present embodiment, firstly, a claw bar 1 is provided for welding to a longitudinal bar 2, the longitudinal bar 2 is a longitudinal bar for forming a reinforcing structure of a pier, the claw bar 1 provides lateral restraint for the longitudinal bar 2, and prevents the longitudinal bar 2 from local buckling, the claw bar 1 adopts a butterfly-shaped structural form, and includes a welding region 11, a tension region 12, and an anchoring region 13, the welding region 11 is for welding to the longitudinal bar 2, the anchoring region 13 is for anchoring in concrete, the tension region 12 connects the welding region 11 and the anchoring region 13, and in fig. 4, a welding structure is shown.
Referring to fig. 3 and 4, the welding zone 11 is a first steel bar segment, the tension zone 12 includes a second steel bar segment and a third steel bar segment, the anchor zone 13 includes a fourth steel bar segment and a fifth steel bar segment, the fourth steel bar segment and the fifth steel bar segment are located on the same straight line, the fourth steel bar segment and the fifth steel bar segment are spaced apart, the fourth steel bar segment and the fifth steel bar segment are both arranged in parallel with the first steel bar segment, the fourth steel bar segment, the second steel bar segment, the first steel bar segment, the third steel bar segment and the fifth steel bar segment are sequentially connected, and meanwhile, the second steel bar segment and the third steel bar segment are intersected. Particularly, the first end of second reinforcing bar section is connected with the first end of first reinforcing bar section, the second end of second reinforcing bar section is connected with the first end of fourth reinforcing bar section, the first end of third reinforcing bar section is connected with the second end of first reinforcing bar section, the second end of third reinforcing bar section is connected with the first end of fifth reinforcing bar section. The claw rib 1 is of an integrally formed steel bar structure.
Referring to fig. 5, fig. 6, this embodiment still provides a pier rebar structure of muscle buckling prevents indulging based on claw muscle structure, including indulging muscle 2 and claw muscle 1, indulge muscle 2 and set up a plurality ofly, equal parallel arrangement, 1 welding of claw muscle is on indulging muscle 2, and indulges on muscle 2 at every, claw muscle 1 is arranged according to the vertical interval of muscle 2 along indulging to the certain interval, and all claw muscle 1's direction all is located the inside of treating fashioned pier.
Wherein, the mode that the claw muscle 1 is welded on the longitudinal bar 2 is: and the fourth steel bar section and the fifth steel bar are both vertically arranged.
In this embodiment, the claw ribs 1 are arranged along the longitudinal ribs 2 at intervals of 100mm to 200 mm.
In this embodiment, a method for constructing a pier reinforcement structure based on a claw rib structure and preventing buckling of longitudinal ribs is further provided, including the steps of:
step S1: manufacturing a claw bar 1, wherein the claw bar 1 adopts a butterfly-shaped structure form and comprises a welding area 11, a tension area 12 and an anchoring area 13, the welding area 11 is used for being welded on the longitudinal bar 2, the anchoring area 13 is used for being anchored in concrete, and the tension area 12 is connected with the welding area 11 and the anchoring area 13;
step S2: welding claw ribs 1 on longitudinal ribs 2, wherein the claw ribs 1 are arranged at intervals along the longitudinal ribs 2 at certain intervals, the longitudinal ribs 2 are longitudinal ribs for forming a pier steel bar structure, and the claw ribs 1 provide lateral restraint for the longitudinal ribs 2 to prevent the longitudinal ribs 2 from locally buckling;
and step S3: the longitudinal ribs 2 welded with the claw ribs 1 are arranged in parallel to form a grid steel bar structure of the pier in a surrounding mode, and all the claw ribs 1 are located inside the pier to be molded.
After step S3 is completed, concrete pouring work may be performed, and the concrete anchors the anchoring areas of the claw bars 1 to prevent the buckling of the longitudinal bars 2.
Example 2
Referring to fig. 7, in addition to embodiment 1, in this embodiment, the pier rebar structure based on shear resistance and buckling prevention further includes a sectional hoop 3, where the sectional hoop 3 is connected to the outer sides of all the longitudinal bars 2 so as to surround all the longitudinal bars 2. The section hoops 3 are arranged at intervals of 100mm to 200mm along the longitudinal ribs 2.
In this embodiment, a method for constructing a pier reinforcement structure based on a claw rib structure and preventing buckling of longitudinal ribs is further provided, including the steps of:
step S1: manufacturing a claw bar 1, wherein the claw bar 1 adopts a butterfly-shaped structure form and comprises a welding area 11, a tension area 12 and an anchoring area 13, the welding area 11 is used for being welded on the longitudinal bar 2, the anchoring area 13 is used for being anchored in concrete, and the tension area 12 is connected with the welding area 11 and the anchoring area 13;
step S2: welding claw ribs 1 on longitudinal ribs 2, wherein the claw ribs 1 are arranged at intervals along the longitudinal ribs 2 at certain intervals, the longitudinal ribs 2 are longitudinal ribs for forming a pier steel bar structure, and the claw ribs 1 provide lateral restraint for the longitudinal ribs 2 to prevent the longitudinal ribs 2 from locally buckling;
and step S3: arranging the longitudinal bars 2 welded with the claw bars 1 in parallel to form a grid reinforcing steel bar structure of the pier in an enclosing manner, wherein the directions of all the claw bars 1 are positioned in the pier to be formed;
and step S4: the cross-sectional hoop 3 is attached to the outside of all the longitudinal ribs 2, and all the longitudinal ribs 2 are enclosed therein.
After step S4 is completed, concrete pouring work may be performed, and the concrete anchors the anchoring areas of the claw bars 1 to prevent buckling of the longitudinal bars 2. The section hoops and the pier column longitudinal bars are combined to form grid shear-resistant steel bars which respectively bear horizontal component force and vertical component force generated under the stress working condition of the bending shear, so that the shear-resistant effect is achieved.
For simplifying the construction, improving reinforcement degree of automation, the embodiment 1 of the utility model provides a pier reinforcement structure based on rectangular cross section form pier, that proposes claw muscle and prevent indulging the muscle buckleing based on claw muscle structure follows the muscle longitudinal arrangement with the claw muscle according to the determining deviation, and this cloth muscle type utilizes the claw muscle to replace compound stirrup on standardizing cloth muscle type basis. In the structure stress process, the claw ribs provide lateral restraint for the longitudinal ribs and prevent the longitudinal ribs from local buckling.
The embodiment of the utility model provides an in 1, adopt the claw muscle as preventing indulging the novel structure of muscle bucking, can save and indulge the muscle internal construction and require required numerous and diverse closed stirrup, will improve the production efficiency of the factory prefabrication of prefabricated pier greatly. The hoop system has the advantages of definite stress target, simple structure, easy construction and production, less operation requirement on workers, wide application range, and realization of various advantages of environmental protection, economy and the like by a prefabrication construction method.
And simultaneously, based on the utility model discloses embodiment 1's technical scheme can combine digitization, informationization production mode, realizes standardized high-efficient production with the help of intelligent automation technology. The scheme can actively respond to the policies of national informatization, industrialization, intellectualization and green construction, reduce the interference of site construction on road traffic, reduce the adverse effect of construction on the environment, improve the utilization efficiency and construction quality of resources and embody the advantage of 'centralized prefabrication'. The research results have general applicability, and will produce certain popularization and radiation effect to precast concrete pier.
Further, the utility model provides an in 2, cross-section hoop and pier stud are indulged the muscle combination and are formed net shear reinforcement, undertake respectively to bend and cut horizontal component and the vertical component that produces under the atress operating mode condition, play the effect of shearing.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. A claw rib is characterized in that the claw rib is used for being welded on a longitudinal rib (2), the longitudinal rib (2) is a longitudinal rib used for forming a pier steel bar structure, the claw rib (1) provides lateral restraint for the longitudinal rib (2) and prevents the longitudinal rib (2) from locally buckling,
the claw bar (1) comprises a welding area (11), a tension area (12) and an anchoring area (13), the welding area (11) is used for being welded on the longitudinal bar (2), the anchoring area (13) is used for being anchored in concrete, and the tension area (12) is connected with the welding area (11) and the anchoring area (13).
2. The claw bar as claimed in claim 1, wherein the welding zone (11) is a first bar segment, the tension zone (12) comprises a second bar segment and a third bar segment, the anchoring zone (13) comprises a fourth bar segment and a fifth bar segment, the fourth bar segment and the fifth bar segment are positioned on the same straight line and are spaced apart from each other, and the fourth bar segment and the fifth bar segment are both arranged in parallel with the first bar segment,
the fourth steel bar section, the second steel bar section, the first steel bar section, the third steel bar section and the fifth steel bar section are sequentially connected, and meanwhile, the second steel bar section is intersected with the third steel bar section.
3. The claw bar of claim 2, wherein the first end of the second bar section is connected to the first end of the first bar section, the second end of the second bar section is connected to the first end of the fourth bar section, the first end of the third bar section is connected to the second end of the first bar section, and the second end of the third bar section is connected to the first end of the fifth bar section.
4. The claw bar of claim 2 wherein the claw bar is an integrally formed rebar structure.
5. The utility model provides a pier reinforcing bar structure of preventing vertical muscle bucking based on claw muscle structure, its characterized in that includes vertical muscle (2) and the claw muscle (1) of claim 2, vertical muscle (2) set up a plurality ofly, all parallel arrangement, claw muscle (1) welding is on vertical muscle (2), and on every vertical muscle (2), claw muscle (1) is arranged along vertical interval of vertical muscle (2) according to a determining deviation, and the direction of all claw muscle (1) all is located the inside of treating fashioned pier.
6. The pier reinforcement structure for preventing buckling of longitudinal bars based on the claw-bar structure as claimed in claim 5, wherein the claw-bar (1) is welded to the longitudinal bars (2) in a manner that: and the fourth steel bar section and the fifth steel bar are vertically arranged.
7. The pier reinforcement structure based on the claw-rib structure for preventing buckling of the longitudinal ribs is characterized in that the claw ribs (1) are arranged at intervals of 100-200 mm along the longitudinal ribs (2).
8. The pier rebar structure based on the claw-bar structure for preventing the buckling of the longitudinal bars is characterized by further comprising a section hoop (3), wherein the section hoop (3) is connected to the outer side of all the longitudinal bars (2) and surrounds all the longitudinal bars (2).
9. The pier rebar structure preventing buckling of longitudinal bars based on a claw-bar structure as claimed in claim 8, wherein the section hoops (3) are arranged at intervals along the longitudinal bars (2).
10. The pier rebar structure preventing buckling of longitudinal bars based on a claw-bar structure as claimed in claim 8, wherein the section hoops (3) are arranged at intervals of 100mm to 200mm along the longitudinal bars (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222192086.5U CN218345938U (en) | 2022-08-19 | 2022-08-19 | Claw rib and pier reinforcing steel bar structure based on claw rib structure and capable of preventing buckling of longitudinal rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222192086.5U CN218345938U (en) | 2022-08-19 | 2022-08-19 | Claw rib and pier reinforcing steel bar structure based on claw rib structure and capable of preventing buckling of longitudinal rib |
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| Publication Number | Publication Date |
|---|---|
| CN218345938U true CN218345938U (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222192086.5U Active CN218345938U (en) | 2022-08-19 | 2022-08-19 | Claw rib and pier reinforcing steel bar structure based on claw rib structure and capable of preventing buckling of longitudinal rib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218345938U (en) |
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2022
- 2022-08-19 CN CN202222192086.5U patent/CN218345938U/en active Active
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