CN220099880U - Steel reinforcement cage structure based on bending characteristic - Google Patents

Steel reinforcement cage structure based on bending characteristic Download PDF

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Publication number
CN220099880U
CN220099880U CN202321475536.XU CN202321475536U CN220099880U CN 220099880 U CN220099880 U CN 220099880U CN 202321475536 U CN202321475536 U CN 202321475536U CN 220099880 U CN220099880 U CN 220099880U
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main
reinforcement
zone
tension
support pile
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CN202321475536.XU
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何蕃民
邓安
徐建骁
高晓峰
李艳
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CREEC Chengdu Survey Design and Research Co Ltd
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CREEC Chengdu Survey Design and Research Co Ltd
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Abstract

The utility model belongs to the field of reinforcement cages, and discloses a reinforcement cage structure based on bending characteristics, which aims to solve the problem that the main reinforcement of a steel reinforcement cage of an existing support pile is the same in size as the main reinforcement of a pressed side and a pulled side. The utility model comprises a main reinforcement and a stirrup, wherein the main reinforcement comprises a main reinforcement in a tension zone and a main reinforcement in a compression zone, the main reinforcement in the tension zone is mutually matched with a tension zone of a support pile, the main reinforcement in the compression zone is mutually matched with a compression zone of the support pile, and the diameter of the main reinforcement in the tension zone is larger than that of the main reinforcement in the compression zone. The utility model fully considers the acting force of the support pile when being pressed and pulled, combines the concrete characteristic (namely the bearing capacity is far greater than the bearing performance), optimally designs the reinforcement cage, and reduces the material consumption of the reinforcement cage on the premise of ensuring that the support pile accords with the design specification, thereby reducing the manufacturing cost of the reinforcement cage.

Description

Steel reinforcement cage structure based on bending characteristic
Technical Field
The utility model belongs to the technical field of reinforcement cages, and particularly relates to a reinforcement cage structure based on bending characteristics.
Background
At present, in foundation pit engineering or slope engineering, supporting pile supporting is the most common supporting measure. Because the soil pressure of the front side and the rear side of the support pile are inconsistent, the support pile is often bent towards the side with low soil pressure, and accordingly one side of the pile is pulled, and the other side of the pile is pressed, as shown in fig. 1. Because the tensile properties of concrete are far lower than the bearing properties, in order to strengthen the flexural bearing capacity of the support piles, it is generally necessary to provide reinforcement cages within the support piles.
At present, the reinforcement calculation of the longitudinal main reinforcement of the support pile reinforcement cage generally calculates the area of the longitudinal reinforcement at the tension side according to the bending moment condition of the support pile, thereby selecting the diameter and the number of the reinforcement; for simplicity, the diameter of the compression-side longitudinal bars is also the diameter of the tension-side bars.
In the foundation pit engineering and the slope engineering, the bending direction of the support pile is relatively fixed, and the bending direction is rarely changed, so that the performance of the reinforcement in the pressed area is difficult to be really exerted if the diameter of the reinforcement at the pressed side is selected to be consistent with that of the reinforcement at the pulled side.
It can be seen that there is a significant waste of material in the longitudinal cage bar arrangements of conventional support pile cages.
Disclosure of Invention
The utility model aims to solve the problem that the main reinforcement of the pressed side and the pulled side of the steel reinforcement cage of the existing support pile are the same in size, and provides a reinforcement cage structure based on the bending characteristic, the acting force of the support pile in pressing and pulling is fully considered, the reinforcement cage is optimally designed by combining the concrete characteristic (namely, the bearing capacity is far greater than the bearing performance), and the materials of the reinforcement cage are reduced on the premise that the support pile accords with the design specification, so that the manufacturing cost of the reinforcement cage is reduced.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a steel reinforcement cage structure based on receive curved characteristic, includes main muscle and stirrup, its characterized in that, the main muscle is including stretching district main muscle and the main muscle of pressurized area, the area of stretching district main muscle and support stake is mutually adapted, the pressurized area of pressurized district main muscle and support stake is mutually adapted, the diameter of stretching district main muscle is greater than the diameter of pressurized district main muscle.
In some embodiments, the tensile zone main tendons are arranged at the junction of the tensile zone of the support pile and the compression zone of the support pile.
In some embodiments, the stirrups are annular and evenly spaced along the length of the tensile zone main ribs and the compressive zone main ribs.
In some embodiments, the length direction of the main reinforcement of the tension zone and the main reinforcement of the compression zone are further provided with reinforcing stirrups at intervals, the stirrups are arranged at the periphery of the main reinforcement of the tension zone and the main reinforcement of the compression zone, and the reinforcing stirrups are arranged inside the main reinforcement of the tension zone and the main reinforcement of the compression zone.
Compared with the prior art, the utility model has the following beneficial effects:
in the manufacturing process of the reinforcement cage structure based on the flexural characteristics, the main bars of the reinforcement cage are divided into the main bars of the tension area and the main bars of the compression area according to the tension area and the compression area of the support pile in the use process, and the size of the main bars of the tension area of the reinforcement cage is larger than that of the main bars of the compression area, so that the reinforcement cage structure can fully combine the characteristics of concrete (namely, the compressive capacity of the concrete is far larger than that of the tension performance), and the consumption of the main bars (namely, the reinforcing bars) can be reduced on the premise that the integral support capacity of the support pile is not influenced, thereby reducing the manufacturing cost.
Meanwhile, the main reinforcement of the tension zone with relatively larger diameter is arranged at the junction of the compression zone of the support pile and the tension zone of the support pile, so that the tension capacity of the whole support pile is improved.
Drawings
FIG. 1 is a schematic diagram of the forces applied to a support pile when in tension and compression during use;
FIG. 2 is a schematic structural view of the reinforcement stirrup arrangement of the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model when the main reinforcement of the tension zone is disposed on the reinforcing stirrup;
fig. 4 is a schematic structural view of the present utility model when the main tendons of the compression region are arranged after the main tendons of the tension region are arranged;
FIG. 5 is a schematic diagram of the structure of the present utility model;
FIG. 6 is a schematic transverse cross-sectional view of the present utility model;
the marks in the figure: 1. a main reinforcement of a tension area, 2 a main reinforcement of a compression area, 3 a reinforcing stirrup, 4 a stirrup.
Description of the embodiments
The present utility model is further described below in conjunction with embodiments, which are merely some, but not all embodiments of the present utility model. Based on the embodiments of the present utility model, other embodiments that may be used by those of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The reinforcement cage structure based on the bending characteristics comprises main ribs and stirrups 4 and is characterized in that the main ribs comprise a tension zone main rib 1 and a compression zone main rib 2, the tension zone main rib 1 is mutually matched with a tension zone of a support pile, the compression zone main rib 2 is mutually matched with a compression zone of the support pile, and the diameter of the tension zone main rib 1 is larger than that of the compression zone main rib 2. The size of the compression area main rib is matched with that of the compression area of the support pile, and the size of the arrangement area of the tension area main rib is matched with that of the tension area of the support pile. In a specific real-time process, the characteristics of the tensioned area and the compressed area of the support pile according to the side slope are very easy to judge, and are also clear and obvious to those skilled in the art, and are not described herein again.
In some embodiments, referring to fig. 6, a main tendon 1 of a tension zone is arranged at the junction of the tension zone of the support pile and the compression zone of the support pile. That is, in the use process of the support pile, the tension area and the compression area of the support pile jointly form the whole support pile, so that in order to improve the bearing capacity of the whole support pile, the tension area main rib 1 with relatively larger diameter is still arranged at the junction of the tension area and the compression area of the support pile.
In some embodiments, the stirrups 4 are annular and are uniformly spaced along the length direction of the tension zone main stirrups 1 and the compression zone main stirrups 2.
In some embodiments, the length direction of the main tension zone tendons 1 and the main compression zone tendons 2 is further provided with reinforcing stirrups 3 at intervals, the stirrups 4 are arranged at the periphery of the main tension zone tendons 1 and the main compression zone tendons 2, and the reinforcing stirrups 4 are arranged inside the main tension zone tendons 1 and the main compression zone tendons 2.
In the manufacturing process of the reinforcement cage structure based on the flexural characteristics, the main bars of the reinforcement cage are divided into the main bars of the tension area and the main bars of the compression area according to the tension area and the compression area of the support pile in the use process, and the size of the main bars of the tension area of the reinforcement cage is larger than that of the main bars of the compression area, so that the reinforcement cage structure can fully combine the characteristics of concrete (namely, the compressive capacity of the concrete is far larger than that of the tension performance), and the consumption of the main bars (namely, the reinforcing bars) can be reduced on the premise that the integral support capacity of the support pile is not influenced, thereby reducing the manufacturing cost.
Meanwhile, the main reinforcement of the tension zone with relatively larger diameter is arranged at the junction of the compression zone of the support pile and the tension zone of the support pile, so that the tension capacity of the whole support pile is improved.
The manufacturing process of the reinforcement cage structure comprises the following steps:
the first step: according to the design requirement, preparing a tension zone main reinforcement 1, a compression zone main reinforcement 2, a reinforcing stirrup 3 and a stirrup 4, and cutting in batches for standby according to the requirement of the length of the reinforcing steel bar material. Because the specifications and the dimensions of various steel bars to be welded are different, the steel bars should be put separately to prevent misuse.
And a second step of: on the reinforcement bar manufacturing pedestal, the reinforcing stirrup 2 is manufactured by bending and welding the reinforcement bar, as shown in fig. 2.
And a third step of: the main tendons 1 in the tension area and the reinforcing stirrups 3 are welded together, as shown in fig. 3, wherein each main tendon 1 in the tension area is welded on the periphery of the reinforcing stirrups 3 in an arc shape, and the main tendons 1 in the tension area should be arranged at equal intervals when being arranged, which is obvious and understood by those skilled in the art, and is not repeated herein.
Fourth step: the main reinforcements 2 of the compression area and the reinforcing stirrups 3 are welded together, as shown in fig. 4, wherein each main reinforcement 2 of the compression area is welded on the periphery of the reinforcing stirrups 3 in an arc shape, and the main reinforcements 1 of the tension area and the main reinforcements 2 of the compression area are jointly enclosed to form a circular ring shape and are arranged on the periphery of the reinforcing stirrups 3.
Fifth step: the stirrup 4 is bound to the main bars (the tension zone main bar 1 and the compression zone main bar 2) as shown in fig. 5. Thus, the manufacture of the steel reinforcement cage of the section is completed.
Wherein the cross section of the reinforcement cage is shown in figure 6. In the hoisting construction process of the reinforcement cage structure, the reinforcement cage structure should be subjected to reinforced inspection and verification, so that the tension side and the compression side of the reinforcement cage are ensured to be consistent with the bending direction of the support pile.

Claims (4)

1. The utility model provides a steel reinforcement cage structure based on receive curved characteristic, includes main muscle and stirrup (4), its characterized in that, main muscle is including stretching district main muscle (1) and pressurized district main muscle (2), the area of stretching district main muscle (1) and support stake is mutually adapted, pressurized district main muscle (2) and support stake's pressurized area mutually adapted, the diameter of stretching district main muscle (1) is greater than the diameter of pressurized district main muscle (2).
2. The reinforcement cage structure based on bending characteristics according to claim 1, characterized in that the junction of the tension zone of the support pile and the compression zone of the support pile is provided with a tension zone main rib (1).
3. The reinforcement cage structure based on bending characteristics according to claim 1, wherein the stirrups (4) are annular and uniformly spaced along the length direction of the tension zone main bars (1) and the compression zone main bars (2).
4. The reinforcement cage structure based on bending characteristics according to claim 1, wherein reinforcing stirrups (3) are further arranged at intervals in the length direction of the main tension zone ribs (1) and the main compression zone ribs (2), the stirrups (4) are arranged at the periphery of the main tension zone ribs (1) and the main compression zone ribs (2), and the reinforcing stirrups (3) are arranged inside the main tension zone ribs (1) and the main compression zone ribs (2).
CN202321475536.XU 2023-06-12 2023-06-12 Steel reinforcement cage structure based on bending characteristic Active CN220099880U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321475536.XU CN220099880U (en) 2023-06-12 2023-06-12 Steel reinforcement cage structure based on bending characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321475536.XU CN220099880U (en) 2023-06-12 2023-06-12 Steel reinforcement cage structure based on bending characteristic

Publications (1)

Publication Number Publication Date
CN220099880U true CN220099880U (en) 2023-11-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321475536.XU Active CN220099880U (en) 2023-06-12 2023-06-12 Steel reinforcement cage structure based on bending characteristic

Country Status (1)

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CN (1) CN220099880U (en)

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