CN212295067U

CN212295067U - Ring beam main rib structure at node of ring beam in reverse construction method

Info

Publication number: CN212295067U
Application number: CN202020392739.2U
Authority: CN
Inventors: 薛楠; 孙兴闯; 郜锦嫘; 周树堂
Original assignee: Shanghai Construction No 1 Group Co Ltd
Current assignee: Shanghai Construction No 1 Group Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-05
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a ring beam owner muscle structure of reverse construction method ring beam node belongs to the construction field. The ring beam main rib structure comprises at least one layer of ring beam main rib, each layer of ring beam main rib is formed by processing two semicircular steel bars, the diameters of the two semicircular steel bars are equal, the perimeter of each semicircular steel bar is longer than half of the perimeter of the ring beam main rib, the two semicircular steel bars are correspondingly arranged on two sides of the steel pipe column and are in place from two sides of the steel pipe column, and the two semicircular steel bars are welded together in a lap welding mode to form the closed ring beam main rib. The utility model discloses an optimize the adjustment to the main muscle of ring beam, fine solution the main muscle of ring beam take one's place and seal the problem of welding difficulty, the main muscle of ring beam and steel-pipe column efficiency of taking one's place have improved 50% to the main muscle of ring beam has been guaranteed to seal welded construction quality.

Description

Ring beam main rib structure at node of ring beam in reverse construction method

Technical Field

The utility model relates to a ring beam owner muscle structure of reverse construction method ring beam node belongs to the construction field.

Background

The top-down construction method beam column node refers to an annular beam or rectangular beam node at the joint of a basement structure steel pipe column and a structure beam under the top-down construction condition. The node steel bars are complex in structure, and are generally annular or rectangular. When the ring beam joint (hereinafter referred to as a ring beam) is adopted, the main ribs (also referred to as waist ribs) of the ring beam also need to be processed into a ring shape and then connected in a lap welding or mechanical connection mode to form the closed ring-shaped reinforcing steel bar.

However, the main rib of the ring beam is generally large in size, and the diameter of the main rib is more than 20mm, so that when the ribbed steel bar of the size is processed, an accurate round shape cannot be formed during processing, and certain processing deviation exists, so that during subsequent steel bar connection, no matter mechanical sleeve connection or lap welding is adopted, smooth connection cannot be achieved, and the connection quality cannot be guaranteed. In addition, the steel bars with the diameter of more than 20mm cannot be manually and directly bent in large size, so when the ring beam main bars and the steel pipe column are in place, mechanical matching is needed, the operation difficulty is very high, and a plurality of people are required to match appliances such as crowbars and the like to be in place.

Therefore, the ring beam main rib structure capable of solving the problems that the ring beam main rib and the steel pipe column are difficult to be in place and the ring beam main rib is difficult to be connected in a sealing mode needs to be developed urgently, so that the construction efficiency and the construction quality of ring beam binding are improved.

SUMMERY OF THE UTILITY MODEL

To ring beam owner muscle and steel-pipe column difficulty of taking one's place among the prior art, ring beam owner muscle seal the difficult problem of being connected, utility model discloses a ring beam owner muscle structure of reverse construction method ring beam node has that ring beam owner muscle is taken one's place simply and seal the welding easily to the ring beam owner muscle seals welded construction quality has been guaranteed.

For solving the technical problem, the utility model discloses a following technical scheme:

a ring beam main rib structure at a node of a ring beam by a reverse construction method comprises at least one layer of ring beam main rib, wherein each layer of ring beam main rib is formed by processing two semicircular steel bars, the diameters of the two semicircular steel bars are equal, the circumference of each semicircular steel bar is longer than half of the circumference of the ring beam main rib, the two semicircular steel bars correspond to two sides of a steel pipe column and are in place from two sides of the steel pipe column, and the two semicircular steel bars are welded together in a lap welding mode to form a closed ring beam main rib.

Optionally, one end of one semicircular steel bar of the two semicircular steel bars is located at the outer side of the corresponding end of the other semicircular steel bar, and the other end of the semicircular steel bar is located at the inner side of the corresponding end of the other semicircular steel bar.

Optionally, one end of one semicircular steel bar of the two semicircular steel bars is located at the inner side of the corresponding end of the other semicircular steel bar, and the other end of the semicircular steel bar is located at the outer side of the corresponding end of the other semicircular steel bar.

Optionally, the lap welding is single-side welding, and the lap length is 10D, D being the nominal diameter of the semicircular reinforcing steel bar.

Optionally, the ring beam main rib structure at the node of the ring beam of the reverse construction method includes multiple layers of ring beam main ribs, and the welding positions of two adjacent layers of ring beam main ribs are staggered.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect: the utility model discloses a each layer of ring beam owner muscle in the main muscle structure of ring beam is processed into two semi-circular reinforcing bars, and two semi-circular reinforcing bars take one's place from the both sides of steel-pipe column, adopt the overlap joint to weld the form and weld. The utility model discloses an optimize the adjustment to the main muscle of ring beam, fine solution the main muscle of ring beam take one's place and seal the problem of welding difficulty, the main muscle of ring beam and steel-pipe column efficiency of taking one's place have improved 50% to the main muscle of ring beam has been guaranteed to seal welded construction quality.

Drawings

Fig. 1 is a schematic plan view illustrating a ring beam main rib and a steel pipe column in a ring beam main rib structure at a node of a reverse construction method ring beam according to an embodiment of the present invention;

FIG. 2 is a schematic view of the ring beam main rib lap welding in FIG. 1;

fig. 3 is a structural diagram of a main rib of a ring beam at a node of a ring beam according to an embodiment of the present invention.

The numbers in the figures are as follows:

the main rib structure of the 100 ring beam,

10 the main reinforcement of the ring beam,

11 first semicircular bar, 111 first end of first semicircular bar, 112 second end of first semicircular bar,

12 a second semicircular reinforcing bar, 121 a first end of the second semicircular reinforcing bar, 122 a second end of the second semicircular reinforcing bar.

Detailed Description

The present invention provides a ring beam main reinforcement structure at a ring beam node of a reverse construction method, which is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1 to 3, the present embodiment provides a ring beam main rib structure 100 at a ring beam node of a top-down method, which includes at least one layer of ring beam main ribs 10. Each layer of ring beam main reinforcement 10 is formed by processing two semicircular reinforcing steel bars. Two semicircular bars, a first semicircular bar 11 and a second semicircular bar 12. The diameters of the two semicircular steel bars are equal. I.e. the first semi-circular reinforcing bars 11 and the second semi-circular reinforcing bars 12 have the same diameter. The perimeter of each semicircular reinforcing steel bar is longer than half of the perimeter of the ring beam main reinforcement 10. Namely, the circumferences of the first semicircular reinforcing steel bar 11 and the second semicircular reinforcing steel bar 12 are longer than half of the circumference of the ring beam main reinforcement 10. Two semicircular steel bars, namely a first semicircular steel bar 11 and a second semicircular steel bar 12, are correspondingly arranged on two sides of the steel pipe column, are in place from two sides of the steel pipe column, and are welded together in a lap welding mode to form the closed ring beam main bar 10.

As shown in fig. 1, the utility model discloses optimize ring beam owner muscle structure 100, processed into two semi-circular reinforcing bars with ring beam owner muscle 10, let two semi-circular reinforcing bars take one's place respectively from the steel-pipe column both sides, adopt the form of overlap joint welding to weld.

The utility model discloses an optimize the adjustment to ring beam owner muscle 10, fine solution ring beam owner muscle 10 take one's place and seal the problem of welding difficulty, put one's place efficiency with the steel-pipe column and improved 50% with ring beam owner muscle 10 to guaranteed that ring beam owner muscle 10 seals welded construction quality.

As shown in fig. 2, one end of one semicircular steel bar of the two semicircular steel bars is located at the outer side of the corresponding end of the other semicircular steel bar, and the other end of the semicircular steel bar is located at the inner side of the corresponding end of the other semicircular steel bar. More specifically, in the present embodiment, the two semicircular reinforcing bars are a first semicircular reinforcing bar 11 and a second semicircular reinforcing bar 12. The first semicircular reinforcing bar 11 has corresponding first and

second ends

111 and 112. The second semicircular reinforcing bar 12 has corresponding first and

second ends

121 and 122. The first end 111 of the first semicircular reinforcement bar is located outside the first end 121 of the second semicircular reinforcement bar and the second end 112 of the first semicircular reinforcement bar is located inside the second end 122 of the second semicircular reinforcement bar.

Referring to fig. 2, one end of one semicircular reinforcing bar of the two semicircular reinforcing bars is positioned at the inner side of the corresponding end of the other semicircular reinforcing bar, and the other end of the semicircular reinforcing bar is positioned at the outer side of the corresponding end of the other semicircular reinforcing bar. More specifically, the first end 111 of the first semicircular rebar is located inside the first end 121 of the second semicircular rebar and the second end 112 of the first semicircular rebar is located outside the second end 122 of the second semicircular rebar.

As shown in fig. 2, the lap welding is single-side welding, and the lap length is 10D, D being the nominal diameter of the semicircular reinforcing steel bar.

As shown in fig. 3, the ring beam main rib structure 100 at the node of the ring beam in the reverse construction method includes multiple layers of ring beam main ribs 10, and the welding positions of two adjacent layers of ring beam main ribs 10 are staggered. More specifically, in the present embodiment, as shown in fig. 3, the ring beam main rib structure 100 includes five layers of ring beam main ribs 10, which are divided into a first layer ring beam main rib to a fifth layer ring beam main rib from inside to outside, wherein the welding positions of the first layer ring beam main rib, the third layer ring beam main rib and the fifth layer ring beam main rib are the same, and the welding positions of the second layer ring beam main rib and the fourth layer ring beam main rib are the same. The welding position of the first layer of ring beam main ribs and the welding position of the second layer of ring beam main ribs are arranged in a staggered mode, and preferably, the welding position of the two adjacent layers of ring beam main ribs 10 is ninety degrees.

During specific implementation, the ring beam main rib structure 100 may further include a layer of ring beam main rib 10, and a layer of ring beam main rib 10, which are specifically determined according to the structural design.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The ring beam main rib structure at the node of the ring beam produced by the reverse construction method is characterized by comprising at least one layer of ring beam main rib, wherein each layer of ring beam main rib is formed by processing two semicircular steel bars, the diameters of the two semicircular steel bars are equal, the circumference of each semicircular steel bar is longer than half of the circumference of the ring beam main rib, the two semicircular steel bars correspond to the two sides of a steel pipe column and are in place from the two sides of the steel pipe column, and the two semicircular steel bars are welded together in a lap welding mode to form the closed ring beam main rib.

2. The ring beam main rib structure at the node of the reverse construction ring beam of claim 1, wherein one end of one semicircular rib is located outside a corresponding end of the other semicircular rib, and the other end of one semicircular rib is located inside a corresponding end of the other semicircular rib.

3. The ring beam main rib structure at the node of the reverse construction ring beam of claim 1, wherein one end of one semicircular rib is located inside the corresponding end of the other semicircular rib, and the other end of one semicircular rib is located outside the corresponding end of the other semicircular rib.

4. The ring beam main rib structure at the top-down ring beam node of claim 1, wherein said lap weld is a single-sided weld, and the lap length is 10D, D being the nominal diameter of the semicircular reinforcing bars.

5. The ring beam main rib structure at the node of the reverse construction method ring beam as claimed in any one of claims 1 to 4, which comprises a plurality of layers of ring beam main ribs, wherein the welding positions of two adjacent layers of ring beam main ribs are staggered.