CN212897188U - Pile foundation joist weighing type steel reinforcement cage for retaining wall - Google Patents
Pile foundation joist weighing type steel reinforcement cage for retaining wall Download PDFInfo
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- CN212897188U CN212897188U CN202021016097.2U CN202021016097U CN212897188U CN 212897188 U CN212897188 U CN 212897188U CN 202021016097 U CN202021016097 U CN 202021016097U CN 212897188 U CN212897188 U CN 212897188U
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Abstract
The utility model relates to a pile foundation joist weighing apparatus steel reinforcement cage for barricade belongs to pile foundation joist weighing apparatus formula barricade construction technical field. The utility model comprises a plurality of vertical main reinforcements parallel to the axis of the steel reinforcement cage, the vertical main reinforcements are distributed at intervals along the circumferential direction of the steel reinforcement cage, the outside of a cylindrical structure enclosed by the vertical main reinforcements is provided with a spiral stirrup, the spiral stirrup is spirally distributed by taking the axis of the steel reinforcement cage as a central axis, the spiral stirrup is fixedly connected with the vertical main reinforcements, a reinforcing stirrup is arranged in a cylindrical inner cavity enclosed by the vertical main reinforcements, the reinforcing stirrup is in a ring shape, the reinforcing stirrups are arranged at intervals along the length direction of the vertical main reinforcements, and the reinforcing stirrups are welded and fixed with the vertical main reinforcements; the inner ring of the reinforcement stirrup is provided with a cross reinforcing rib, and the cross reinforcing rib is fixedly connected with the reinforcement stirrup in a spot welding mode. The utility model discloses the structure of strengthening hoop muscle and cross strengthening rib has been add in steel reinforcement cage's inside, can effectively improve steel reinforcement cage resistance to deformation's ability.
Description
Technical Field
The utility model relates to a pile foundation joist weighing apparatus steel reinforcement cage for barricade belongs to pile foundation joist weighing apparatus formula barricade construction technical field.
Background
The pile foundation joist constant weight retaining wall has low requirement on the bearing capacity of the foundation, good slope collecting effect and wide application in slope roadbeds. From top to bottom, pile foundation joist weighing type retaining wall includes pile foundation, joist, weighing type retaining wall three part in proper order, wholly all adopts reinforced concrete structure. For the pile foundation part, a steel reinforcement cage is a main component of the pile foundation part, generally consists of a vertical main reinforcement and a spiral stirrup, needs to be processed in advance, and then is transported to the site to be hoisted and placed after pile hole construction is completed. Under some working conditions, because the diameter of the steel reinforcement cage is large, the whole length is long, and the verticality of the steel reinforcement cage is strictly controlled when the steel reinforcement cage is processed on a ground platform, if the reinforcement measure of the steel reinforcement cage is not proper, the steel reinforcement cage is easy to bend and deform in the transportation process or during hoisting, so that the hole is difficult to put into the steel reinforcement cage, and even the hole wall collapses.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the reinforcing cage for the pile foundation joist weighing type retaining wall is simple and reliable in structure and not prone to deformation.
For solving the technical problem the utility model discloses the technical scheme who adopts is: the reinforcement cage for the pile foundation joist constant weight retaining wall comprises a plurality of vertical main reinforcements parallel to the axis of the reinforcement cage, wherein the vertical main reinforcements are distributed at intervals along the circumferential direction of the reinforcement cage, spiral stirrups are arranged outside a cylindrical structure formed by the vertical main reinforcements, the spiral stirrups are spirally distributed by taking the axis of the reinforcement cage as a central axis, the spiral stirrups are fixedly connected with the vertical main reinforcements, reinforcing stirrups are arranged in a cylindrical inner cavity formed by the vertical main reinforcements, the reinforcing stirrups are annular, a plurality of reinforcing stirrups are arranged at intervals along the length direction of the vertical main reinforcements, and the reinforcing stirrups and the vertical main reinforcements are welded and fixed; the inner ring of the reinforcement stirrup is provided with a cross reinforcing rib, and the cross reinforcing rib is fixedly connected with the reinforcement stirrup in a spot welding mode.
Further, the method comprises the following steps: vertical main muscle is along the circumference of steel reinforcement cage to even interval distribution, and the reinforcement stirrup sets up along the even interval of the length direction of vertical main muscle.
Further, the method comprises the following steps: positioning steel bars are arranged on the outer side of a cylindrical structure formed by the vertical main bars in a surrounding mode, two ends of each positioning steel bar are connecting sections used for fixedly connecting the vertical main bars, and the connecting sections are parallel to the vertical main bars and are fixedly welded with the vertical main bars; the middle part of the positioning steel bar is bent to form a positioning bulge which is arranged in a protruding way relative to the steel bar cage, the top of the positioning bulge is a straight line section which is parallel to the vertical main steel bar, and two sides of the straight line section are connected with the connecting section through inclined line sections; a plurality of groups of positioning steel bars are arranged at intervals along the length direction of the steel bar cage, and each group of positioning steel bars is at least three positioning steel bars arranged at intervals along the circumferential direction of the steel bar cage; the tops of the positioning protrusions of the multiple groups of positioning steel bars are all located on the same cylindrical surface, and the cylindrical surface and the steel reinforcement cage are arranged coaxially.
Further, the method comprises the following steps: the arrangement position of every reinforcement stirrup corresponds and sets up a set of spacer bar, and the spacer bar uses the plane at reinforcement stirrup place to be mirror symmetry arrangement as the center, and every group spacer bar is four along the even interval setting of steel reinforcement cage circumference.
Further, the method comprises the following steps: when there is welded fastening's overlap joint structure in vertical main muscle middle part, this overlap joint structure includes first reinforcing bar and second reinforcing bar, and first reinforcing bar is equipped with the overlap joint section that the downward sloping was arranged in the joint position, and the second reinforcing bar is equipped with the overlap joint section that the tilt up was arranged in the joint position for first reinforcing bar and second reinforcing bar are behind the overlap joint, and reinforcing bar major structure between them is the coaxial line setting. Preferably, the included angle between the axis of the overlapping section and the axis of the main reinforcing steel bar structure is 4-6 degrees.
Further, the method comprises the following steps: the bottom ends of the vertical main ribs are all bent inwards to form inclined sections, and the inclined sections and the vertical extension lines of the bottom ends of the vertical main ribs form included angles of 4-6 degrees.
The utility model has the advantages that: during the implementation, the overall structure can be makeed into in advance to reinforcement stirrup and cross strengthening rib, then put reinforcement stirrup according to setting for the interval, the hookup location of vertical main muscle is marked out to the equidistance on reinforcement stirrup, weld 6 ~ 8 vertical main muscle one by one in proper order on reinforcement stirrup earlier, form framework of steel reinforcement, evenly weld other vertical main muscle on framework of steel reinforcement afterwards, form whole skeleton, at last with spiral stirrup according to design drawing interval ligature on framework of steel reinforcement (spiral stirrup also can adopt spot welding fixed mode), and with the positioning reinforcement welded fastening on vertical main muscle. The utility model discloses having add the structure of reinforcement stirrup and cross strengthening rib in steel reinforcement cage's inside, can effectively improving the ability of steel reinforcement cage anti-deformation, simultaneously because this additional strengthening locates steel reinforcement cage's inside, can not influence the fixed connection of outside spiral stirrup, it is comparatively convenient to install and implement. Furthermore, the utility model discloses be provided with the spacer bar in steel reinforcement cage's periphery, the bottom is provided with bending structure, can be favorable to steel reinforcement cage's accuracy to transfer perpendicularly.
Drawings
Fig. 1 is a schematic view of the vertical structure of the present invention.
Fig. 2 is a schematic view a-a of fig. 1.
FIG. 3 is a schematic view B-B of FIG. 1.
Fig. 4 is the big sample drawing of the middle positioning steel bar of the utility model.
Fig. 5 is the schematic view of the lap joint structure of the middle vertical main rib of the present invention.
Fig. 6 is the utility model discloses the bottom bending structure schematic diagram of well vertical main muscle.
The labels in the figure are: the method comprises the following steps of 1-vertical main reinforcement, 11-first reinforcement, 12-second reinforcement, 2-spiral stirrups, 3-reinforcing stirrups, 4-cross reinforcing ribs, 5-positioning reinforcement, 51-connecting sections, 52-diagonal sections, 53-straight sections and 6-pile holes.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 6, the utility model discloses a many vertical main muscle 1 that parallel with the steel reinforcement cage axis, vertical main muscle 1 is along the circumferential direction interval distribution of steel reinforcement cage, the cylindrical structure outside that vertical main muscle 1 encloses is provided with spiral stirrup 2, spiral stirrup 2 is the spiral distribution with the steel reinforcement cage axis as the central axis, spiral stirrup 2 and vertical main muscle 1 are fixed connection, be provided with in the cylindrical inner chamber that vertical main muscle 1 encloses and strengthen stirrup 3, strengthen stirrup 3 is the ring shape, strengthen stirrup 3 along vertical main muscle 1 length direction interval set up many, strengthen stirrup 3 and vertical main muscle 1 welded fastening; the inner ring of the reinforcement stirrup 3 is provided with a cross reinforcing rib 4, and the cross reinforcing rib 4 is fixedly connected with the reinforcement stirrup 3 in a spot welding manner. The utility model discloses the structure of strengthening stirrup 3 and cross strengthening rib 4 has been add in steel reinforcement cage's inside, can effectively improve the ability of steel reinforcement cage anti-deformation. Wherein, the transfer in-process of cross strengthening rib 4 when the steel reinforcement cage hoists can progressively be demolishd, demolishs a festival, transfers a festival. The cross reinforcing ribs 4 are fixedly connected with the reinforcing stirrups 3 in a spot welding mode, and the cross reinforcing ribs 4 can be detached in a knocking or cutting mode during implementation. In order to effectively prevent the reinforcement cage from deforming, the reinforcement cage is preferably removed by cutting.
For effectively guaranteeing steel reinforcement cage's wholeness ability, vertical main muscle 1 is along steel reinforcement cage's circumference to even interval distribution, and the reinforcement stirrup 3 sets up along vertical main muscle 1's length direction even interval (in this embodiment, 3 every interval 2m of reinforcement stirrup set up one).
In order to facilitate the smooth and accurate lowering of the reinforcement cage, the utility model is provided with the positioning steel bar 5 outside the cylindrical structure enclosed by the vertical main reinforcement 1, two ends of the positioning steel bar 5 are connecting sections 51 for fixedly connecting the vertical main reinforcement 1, and the connecting sections 51 are parallel to the vertical main reinforcement 1 and are welded and fixed with the vertical main reinforcement 1; the middle part of the positioning steel bar 5 is bent to form a positioning bulge which is arranged in a convex way relative to the steel bar cage, the top part of the positioning bulge is a straight line section 53 which is parallel to the vertical main bar 1, and two sides of the straight line section 53 are connected with the connecting section 51 through inclined line sections 52; a plurality of groups of positioning steel bars 5 are arranged at intervals along the length direction of the steel bar cage, and each group of positioning steel bars 5 is at least three positioning steel bars arranged at intervals along the circumferential direction of the steel bar cage; the tops of the positioning protrusions of the multiple groups of positioning steel bars 5 are all located on the same cylindrical surface, and the cylindrical surface and the steel reinforcement cage are coaxially arranged. The preferred form of arranging is, and every reinforcement stirrup 3's the position of arranging corresponds and sets up a set of spacer bar 5, and spacer bar 5 uses the plane at reinforcement stirrup 3 place to be the mirror symmetry arrangement as the center, and every group spacer bar 5 is for four along the even interval setting of steel reinforcement cage circumference. In the embodiment, the diameter of the pile hole 6 is designed to be 150cm, and under the condition of not considering the positioning steel bar 5, the single-side clearance between the outer side of the steel bar cage and the wall of the pile hole 6 is designed to be 5 cm; referring to fig. 4, the positioning steel bar 5 is formed by bending a steel bar with a diameter of 20mm and a length of 60cm, the length of the connecting section 51 on one side is 15cm, the length of the oblique line section 52 on one side is 10cm, the length of the straight line section 53 is 10cm, and the distance between the straight line section 53 and the axis of the connecting section 51 is about 4.9cm, namely the height of the protrusion is about 4.9 cm; the diameter of the spiral stirrup 2 is also 20mm, so that the outer side of the connecting section of the positioning steel bar 5 is flush with the outer side of the spiral stirrup 2, and the unilateral clearance between the positioning steel bar 5 and the wall of the pile hole 6 is about 0.1cm (calculated according to the formula 5cm-4.9 cm-0.1 cm). Adopt this structural style, the straightway 53 of spacer bar 5 forms less clearance (about 0.1cm) with 6 walls in stake hole, simultaneously with the help of the guide effect of the slash section 52 of spacer bar 5, can realize that the steel reinforcement cage is transferred perpendicularly smoothly.
The joint form of the vertical steel bar 1 can adopt rib stripping rolling straight thread sleeve connection and welding, and particularly, when the diameter of the steel bar is more than phi 25mm (including phi 25mm), the steel bar joint adopts rib stripping rolling straight thread sleeve connection, and when the diameter of the steel bar is less than phi 25mm, welding is adopted. For making the steel reinforcement cage have better structural performance, when there is welded fastening's overlap joint structure in 1 middle part of vertical main muscle, as shown in fig. 5, this overlap joint structure includes first reinforcing bar 11 and second reinforcing bar 12, and first reinforcing bar 11 is equipped with the overlap joint section that the downward sloping was arranged in the joint position, and second reinforcing bar 12 is equipped with the overlap joint section that the tilt up was arranged in the joint position for first reinforcing bar 11 and second reinforcing bar 12 are behind the overlap joint, and the reinforcing bar major structure between them sets up for the coaxial line. The angle between the axis of the overlapping section and the axis of the main structure of the reinforcement is 4 ° to 6 °, and referring to fig. 5, the value of the angle is marked as a in fig. 5, and the angle is designed to be 6 ° in this embodiment.
In order to facilitate smooth and accurate lowering of the reinforcement cage, the bottom end of the vertical main reinforcement 1 is bent inwards to form an inclined section, the inclined section and the vertical extension line of the bottom end of the vertical main reinforcement 1 form an included angle of 4 degrees to 6 degrees, referring to fig. 6, the value of the included angle is marked as b in fig. 6, and the included angle is designed to be 5 degrees in the embodiment.
Claims (6)
1. Pile foundation joist weighing apparatus steel reinforcement cage for barricade, include many vertical main muscle (1) that parallel with the steel reinforcement cage axis, vertical main muscle (1) are provided with spiral stirrup (2) along the circumference of steel reinforcement cage to interval distribution, the cylindrical structure outside that vertical main muscle (1) enclose, spiral stirrup (2) use the steel reinforcement cage axis to be the spiral distribution as the central axis, spiral stirrup (2) and vertical main muscle (1) fixed connection, its characterized in that: a plurality of reinforcing stirrups (3) are arranged at intervals along the length direction of the vertical main reinforcement (1), and the reinforcing stirrups (3) are welded and fixed with the vertical main reinforcement (1); the inner ring of the reinforcement stirrup (3) is provided with a cross reinforcing rib (4), and the cross reinforcing rib (4) is fixedly connected with the reinforcement stirrup (3) in a spot welding manner; when there is welded fastening's overlap joint structure in vertical main muscle (1) middle part, this overlap joint structure includes first reinforcing bar (11) and second reinforcing bar (12), and first reinforcing bar (11) are equipped with the overlap joint section that the downward sloping was arranged in the joint position, and second reinforcing bar (12) are equipped with the overlap joint section that the tilt up was arranged in the joint position for first reinforcing bar (11) and second reinforcing bar (12) are behind the overlap joint, and reinforcing bar major structure between them is the coaxial line setting.
2. The steel reinforcement cage for pile foundation joist constant weight retaining wall as claimed in claim 1, wherein: vertical main muscle (1) is to even interval distribution along the circumference of steel reinforcement cage, strengthens stirrup (3) and sets up along the length direction even interval of vertical main muscle (1).
3. The steel reinforcement cage for pile foundation joist constant weight retaining wall as claimed in claim 1, wherein: the outer side of a cylindrical structure enclosed by the vertical main ribs (1) is provided with positioning steel bars (5), two ends of each positioning steel bar (5) are provided with connecting sections (51) used for fixedly connecting the vertical main ribs (1), and the connecting sections (51) are parallel to the vertical main ribs (1) and are welded and fixed with the vertical main ribs (1); the middle part of the positioning steel bar (5) is bent to form a positioning bulge which is arranged in a convex way relative to the steel bar cage, the top part of the positioning bulge is a straight line section (53) which is parallel to the vertical main steel bar (1), and two sides of the straight line section (53) are connected with the connecting section (51) through inclined line sections (52); a plurality of groups of positioning steel bars (5) are arranged at intervals along the length direction of the steel bar cage, and each group of positioning steel bars (5) is at least three pieces arranged at intervals along the circumferential direction of the steel bar cage; the tops of the positioning protrusions of the multiple groups of positioning steel bars (5) are all located on the same cylindrical surface, and the cylindrical surface and the steel reinforcement cage are coaxially arranged.
4. The steel reinforcement cage for pile foundation joist weighing type retaining wall of claim 3, wherein: the arrangement position of every reinforcement stirrup (3) corresponds and sets up a set of registration bar (5), and registration bar (5) are mirror symmetry for the center with the plane at reinforcement stirrup (3) place and arrange, and every group registration bar (5) are four along the setting of steel reinforcement cage circumference to even interval.
5. The steel reinforcement cage for pile foundation joist constant weight retaining wall as claimed in claim 1, wherein: the included angle between the axis of the lap joint section and the axis of the main structure of the steel bar is 4-6 degrees.
6. A steel reinforcement cage for a pile foundation joist counterweight retaining wall as claimed in any one of claims 1 to 5 wherein: the bottom ends of the vertical main ribs (1) are all bent inwards to form inclined sections, and the inclined sections and the vertical extension lines of the bottom ends of the vertical main ribs (1) form included angles of 4-6 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016097.2U CN212897188U (en) | 2020-06-05 | 2020-06-05 | Pile foundation joist weighing type steel reinforcement cage for retaining wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016097.2U CN212897188U (en) | 2020-06-05 | 2020-06-05 | Pile foundation joist weighing type steel reinforcement cage for retaining wall |
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| CN212897188U true CN212897188U (en) | 2021-04-06 |
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| CN202021016097.2U Active CN212897188U (en) | 2020-06-05 | 2020-06-05 | Pile foundation joist weighing type steel reinforcement cage for retaining wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585625A (en) * | 2021-07-26 | 2021-11-02 | 中铁一局集团(广州)建设工程有限公司 | Triangle-shaped steel reinforcement cage owner muscle installation stand pipe |
| CN114012004A (en) * | 2021-10-20 | 2022-02-08 | 中交路桥华南工程有限公司 | Pier column reinforcement cage installation method |
-
2020
- 2020-06-05 CN CN202021016097.2U patent/CN212897188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585625A (en) * | 2021-07-26 | 2021-11-02 | 中铁一局集团(广州)建设工程有限公司 | Triangle-shaped steel reinforcement cage owner muscle installation stand pipe |
| CN114012004A (en) * | 2021-10-20 | 2022-02-08 | 中交路桥华南工程有限公司 | Pier column reinforcement cage installation method |
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