CN212053454U - Pretensioning prestressed common hollow slab - Google Patents

Abstract

The utility model discloses a pretensioning prestressed common hollow slab, wherein a plurality of upper axial ribs and a plurality of lower axial ribs are radially arranged in the slab body, a plurality of reinforcing steel frames are radially arranged in the slab body, the reinforcing steel frames are connected with the upper axial ribs and the lower axial ribs, a lower transverse rib A and a lower transverse rib B are arranged at the bottom end in the slab body, two ends of the lower transverse rib A and the lower transverse rib B are respectively connected with the bottom ends of outer longitudinal ribs and inner longitudinal ribs, the top ends of the outer longitudinal ribs and the inner longitudinal ribs are respectively connected with the upper transverse rib A and the upper transverse rib B, octagonal ribs are arranged in the slab body, the octagonal ribs are respectively connected with upper long inclined ribs, inner longitudinal rib joints, lower long inclined ribs and inner longitudinal rib joints through connecting ribs, the utility model has reasonable structure, the strength of the reinforcing steel is greatly improved, and the octagonal ribs are arranged in the slab body, so that the strength of the hollow structure in the hollow slab, thereby ensuring the integral strength and finally prolonging the service life.

Description

Pretensioning prestressed common hollow slab

Technical Field

The utility model relates to a general hollow slab technical field of pretensioning prestressing force specifically is a general hollow slab of pretensioning prestressing force.

Background

The pre-tensioned prestressing square pile is a hollow cylinder body long concrete prefabricated member manufactured by adopting a pre-tensioned prestressing process and a centrifugal forming method, and mainly comprises a square pile body, an end plate, a steel ferrule and the like.

The conventional prestressed hollow slab is hollow, and the reinforcing steel frame structure is too simple, so that the strength of the reinforcing steel bar is low, particularly, the inner hollow part is easy to deform, and the service life of the conventional prestressed hollow slab cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pretensioning method prestressing force is ordinary hollow core slab to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pretensioning prestressed common hollow slab comprises a slab body, upper axial ribs, lower axial ribs and reinforcing steel frames, wherein a plurality of upper axial ribs and a plurality of lower axial ribs are radially arranged in the slab body;

the reinforcing frame comprises a lower end transverse rib A, a lower end transverse rib B, a short rib, an upper end transverse rib A, an upper end transverse rib B, an outer side longitudinal rib, an inner side longitudinal rib, a lower end long inclined rib, a lower end short inclined rib, an upper end long inclined rib, an octagonal rib and a connecting rib, wherein the lower end inside the plate body is provided with the lower end transverse rib A and the lower end transverse rib B, the lower end transverse rib A is connected with the lower end transverse rib B through the short rib, two ends of the lower end transverse rib A and the lower end transverse rib B are respectively connected with the bottom ends of the outer side longitudinal rib and the inner side longitudinal rib, the top ends of the outer side longitudinal rib and the inner side longitudinal rib are respectively connected with the upper end transverse rib A and the upper end transverse rib B, the lower end transverse rib A is connected with the outer side longitudinal ribs on two sides through the lower end long inclined rib, the connection part of the short rib and the lower end transverse rib B is connected with the inner side longitudinal rib through the lower end short, the octagonal ribs are arranged inside the plate body and are respectively connected with the joints of the upper long oblique ribs and the inner longitudinal ribs and the joints of the lower long oblique ribs and the inner longitudinal ribs through the connecting ribs.

Preferably, the upper end transverse rib A and the upper end transverse rib B are welded with the plurality of upper end axial ribs, and the joint of the outer side longitudinal rib and the upper end long inclined rib is welded with the upper end axial ribs.

Preferably, the lower end transverse rib A and the lower end transverse rib B are connected with a plurality of lower end axial ribs, the joint of the lower end long oblique rib and the outer side longitudinal rib is welded with the lower end axial rib, the joint of the lower end short oblique rib and the inner side longitudinal rib is welded with the lower end axial rib, and the intersection of the lower end long oblique rib and the lower end short oblique rib is welded with the lower end axial rib.

Preferably, the connecting ribs and the octagonal ribs, the connecting positions of the connecting ribs and the upper long inclined ribs and the inner longitudinal ribs, and the connecting positions of the lower long inclined ribs and the inner longitudinal ribs are connected in a welding mode.

Preferably, lifting lugs are arranged on the upper surfaces of the two ends of the plate body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a reinforcing bar frame structure welds with upper end axial muscle and lower extreme axial muscle, and the reinforcing bar intensity that obtains improves greatly to be provided with the octagon muscle in inside, make the intensity of the inside hollow structure of hollow core slab also obtain the guarantee, thereby guarantee bulk strength, finally improve life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the reinforcing cage.

In the figure: the plate body 1, the upper end axial rib 2, the lower end axial rib 3, the reinforcing steel bar frame 4, the lifting lug 5, the lower end transverse rib A401, the lower end transverse rib B402, the short rib 403, the upper end transverse rib A404, the upper end transverse rib B405, the outer longitudinal rib 406, the inner longitudinal rib 407, the lower end long oblique rib 408, the lower end short oblique rib 409, the upper end long oblique rib 410, the octagonal rib 411 and the connecting rib 412.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a pretensioning prestressed common hollow slab comprises a slab body 1, upper axial ribs 2, lower axial ribs 3 and reinforcing steel frames 4, wherein the slab body 1 is internally provided with a plurality of upper axial ribs 2 and a plurality of lower axial ribs 3 along the radial direction, the slab body 1 is internally provided with a plurality of reinforcing steel frames 4 along the radial direction, the reinforcing steel frames 4 are connected with the upper axial ribs 2 and the lower axial ribs 3, and the upper surfaces of two ends of the slab body 1 are respectively provided with a lifting lug 5.

As shown in fig. 2, the reinforcing frame 4 includes a lower transverse bar a401, a lower transverse bar B402, a short bar 403, an upper transverse bar a404, an upper transverse bar B405, an outer longitudinal bar 406, an inner longitudinal bar 407, a lower long oblique bar 408, a lower short oblique bar 409, an upper long oblique bar 410, an octagonal bar 411 and a connecting bar 412, the lower transverse bar a401 and the lower transverse bar B402 are disposed at the bottom of the inner portion of the plate body 1, the lower transverse bar a401 and the lower transverse bar B402 are connected by the short bar 403, the two ends of the lower transverse bar a401 and the lower transverse bar B402 are respectively connected to the bottom ends of the outer longitudinal bar 406 and the inner longitudinal bar 407, the top ends of the outer longitudinal bar 406 and the inner longitudinal bar 407 are respectively connected to the upper transverse bar a404 and the upper transverse bar B405, the lower transverse bar a401 is connected to the outer longitudinal bar 406 at both sides by the lower long oblique bar 408, the short bar 403 is connected to the lower transverse bar B402 by the lower short oblique bar 409, the upper transverse bar 404 and the upper longitudinal bar 410, the octagonal rib 411 is arranged inside the plate body 1, the octagonal rib 411 is respectively connected with the joint of the upper end long inclined rib 410 and the inner side longitudinal rib 407, the joint of the lower end long inclined rib 408 and the inner side longitudinal rib 407 through the connecting rib 412, the upper end transverse rib A404 and the upper end transverse rib B405 are respectively welded with a plurality of upper end axial ribs 2, the joint of the outer side longitudinal rib 406 and the upper end long inclined rib 410 is welded with the upper end axial rib 2, the joint of the lower end transverse rib A401 and the lower end transverse rib B402 are respectively connected with a plurality of lower end axial ribs 3, the joint of the lower end long inclined rib 408 and the outer side longitudinal rib 406 is welded with the lower end axial rib 3, the joint of the lower end short inclined rib 409 and the inner side longitudinal rib 407 is welded with the lower end axial rib 3, the intersection of the lower end long inclined rib 408 and the, the connection rib 412 and the octagonal rib 411, the connection part of the connection rib 412 and the upper end long oblique rib 410 and the inner side longitudinal rib 407, and the connection part of the lower end long oblique rib 408 and the inner side longitudinal rib 407 are connected in a welding mode.

The use method and the principle are as follows: welding both ends of a lower end transverse bar A401 and a lower end transverse bar B402 with short bars 403, welding the bottom ends of an outer longitudinal bar 406 and an inner longitudinal bar 407 with the lower end transverse bar A401 and the lower end transverse bar B402, welding the top ends of the outer longitudinal bar 406 and the inner longitudinal bar 407 with an upper end transverse bar A404 and an upper end transverse bar B405, respectively, welding two lower end long tilted bars 408 with the lower end transverse bar A401 and the outer longitudinal bars 406 at both sides, welding two upper end long tilted bars 410A with the upper end transverse bar A404 and the outer longitudinal bars 406 at both sides, welding both ends of a lower end short tilted bar 409 with both ends of the lower end transverse bar B402 and the inner longitudinal bar 407, respectively, spot welding the intersection of the lower end long tilted bar 408 and the lower end short tilted bar 409, welding an octagonal bar 411 with the joint of the lower end long tilted bar 408 and the inner longitudinal bar 407 and the joint of the upper end long tilted bar 410 and the inner longitudinal bar 407 through a connecting bar 412, respectively, to obtain a steel bar frame 4, preparing a plurality of reinforcing steel frames 4 according to the method, fixing the reinforcing steel frames 4 in a mould seat, welding the upper axial ribs 2 and the lower axial ribs 3 with all points of the reinforcing steel frames 4, respectively welding lifting lugs on the reinforcing steel frames 4 at two ends to obtain a framework, and finally preparing the prestressed common hollow slab by a pre-tensioning method. The utility model discloses a reinforcing bar frame 4 structure and the welding of upper end axial muscle 2 and lower extreme axial muscle 3, the reinforcing bar intensity that obtains improves greatly to be provided with octagon muscle 411 in inside, make the intensity of the inside hollow structure of hollow core slab also obtain the guarantee, thereby guarantee bulk strength, finally improve life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A pretensioning prestressed common hollow slab is characterized in that: the plate comprises a plate body (1), upper axial ribs (2), lower axial ribs (3) and reinforcing steel frames (4), wherein a plurality of upper axial ribs (2) and a plurality of lower axial ribs (3) are radially arranged in the plate body (1), a plurality of reinforcing steel frames (4) are radially arranged in the plate body (1), and the reinforcing steel frames (4) are connected with the upper axial ribs (2) and the lower axial ribs (3);

the reinforcing steel bar frame (4) comprises a lower end transverse bar A (401), a lower end transverse bar B (402), a short bar (403), an upper end transverse bar A (404), an upper end transverse bar B (405), an outer side longitudinal bar (406), an inner side longitudinal bar (407), a lower end long inclined bar (408), a lower end short inclined bar (409), an upper end long inclined bar (410), an octagonal bar (411) and a connecting bar (412), wherein the lower end of the inner part of the plate body (1) is provided with the lower end transverse bar A (401) and the lower end transverse bar B (402), the lower end transverse bar A (401) and the lower end transverse bar B (402) are connected through the short bar (403), two ends of the lower end transverse bar A (401) and the lower end transverse bar B (402) are respectively connected with the bottom ends of the outer side longitudinal bar (406) and the inner side longitudinal bar (407), the top ends of the outer side longitudinal bar (406) and the inner side longitudinal bar (407) are respectively connected with the upper end transverse bar A (404) and, the horizontal muscle A (401) of lower extreme links to each other through the vertical muscle (406) in the outside of the long diagonal muscle of lower extreme (408) and both sides, short muscle (403) link to each other with the horizontal muscle B (402) junction of lower extreme through the short diagonal muscle of lower extreme (409) and inboard vertical muscle (407), the horizontal muscle A (404) of upper end links to each other with the vertical muscle (406) in the outside through the long diagonal muscle of upper end (410), octagon muscle (411) sets up inside plate body (1), octagon muscle (411) link to each other with the long diagonal muscle of upper end (410) and inboard vertical muscle (407) junction and the long diagonal muscle of lower extreme (408) and inboard vertical muscle (407) junction respectively through splice bar (412).

2. The pretensioned prestressed general hollow core slab according to claim 1, wherein: the transverse ribs A (404) and B (405) at the upper ends are welded with the plurality of upper end axial ribs (2), and the joints of the longitudinal ribs (406) at the outer sides and the long inclined ribs (410) at the upper ends are welded with the upper end axial ribs (2).

3. The pretensioned prestressed general hollow core slab according to claim 1, wherein: the transverse lower end rib A (401) and the transverse lower end rib B (402) are connected with a plurality of lower end axial ribs (3), the joint of the long lower end oblique rib (408) and the longitudinal outer rib (406) is welded with the lower end axial rib (3), the joint of the short lower end oblique rib (409) and the longitudinal inner rib (407) is welded with the lower end axial rib (3), and the cross of the long lower end oblique rib (408) and the short lower end oblique rib (409) is welded with the lower end axial rib (3).

4. The pretensioned prestressed general hollow core slab according to claim 1, wherein: the connecting ribs (412) and the octagonal ribs (411), the joints of the connecting ribs (412) and the upper-end long oblique ribs (410) and the inner-side longitudinal ribs (407), and the joints of the lower-end long oblique ribs (408) and the inner-side longitudinal ribs (407) are connected in a welding mode.

5. The pretensioned prestressed general hollow core slab according to claim 1, wherein: lifting lugs (5) are arranged on the upper surfaces of the two ends of the plate body (1).

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