CN110552425A - intersection node structure of lower chord member and web member of steel structure pipe truss - Google Patents
intersection node structure of lower chord member and web member of steel structure pipe truss Download PDFInfo
- Publication number
- CN110552425A CN110552425A CN201910921935.6A CN201910921935A CN110552425A CN 110552425 A CN110552425 A CN 110552425A CN 201910921935 A CN201910921935 A CN 201910921935A CN 110552425 A CN110552425 A CN 110552425A
- Authority
- CN
- China
- Prior art keywords
- lower chord
- web
- intersecting
- web member
- intersection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 abstract description 26
- 230000005540 biological transmission Effects 0.000 description 17
- 230000008439 repair process Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
Abstract
The invention provides a steel structure pipe truss lower chord member and web member intersecting joint structure, which comprises: a lower chord; a plurality of web members intersecting the lower chord; and the dowel plate is arranged at the intersection of the lower chord and the web members, the web members are respectively arranged on two sides of the dowel plate, and the end parts of the web members are mutually connected with the lower chord and the dowel plate in a penetrating manner. The invention solves the problems that a large number of intersecting welding seams exist at the intersection of a plurality of intersecting openings on the pipe truss, and the construction of partial concealed welding seams is difficult and welding is easy to leak.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel structure pipe truss lower chord and web member intersecting joint structure.
Background
The structure of the tubular truss structural member intersecting joint of the steel structure is complex, a large number of intersecting welding seams exist at the intersection of a plurality of intersecting openings, and part of the intersecting welding seams are hidden welding seams. Because of there being hidden welding seam at the both ends of part structure member simultaneously, lead to two structure members must install simultaneously, and hide the welding seam and then can only carry out manual trompil welding, because of sight and operating space are limited, lead to hiding the quality of welding seam and can't guarantee, partial hidden welding seam can leak welding even, has quality, potential safety hazard.
Disclosure of Invention
In order to overcome the defects in the prior art, the structure of the intersecting joint of the lower chord member and the web member of the steel structure pipe truss is provided so as to solve the problems that a large number of intersecting welding seams exist at the intersection of a plurality of intersecting openings on the pipe truss, and the welding seams are difficult to construct and easy to leak welding in part of the intersecting welding seams.
In order to realize above-mentioned purpose, provide a steel construction pipe truss lower chord member and web member pass through node structure mutually, include:
A lower chord;
A plurality of web members intersecting the lower chord; and
The dowel plate is arranged at the intersection of the lower chord and the web members, the web members are respectively arranged on two sides of the dowel plate, and the end parts of the web members are connected with the lower chord and the dowel plate in a penetrating manner.
Further, the dowel plate is arranged along the axial direction of the lower chord.
Furthermore, the lower part of the intersecting opening of the web member is connected to the lower chord member, and the upper part of the intersecting opening of the web member is connected to the dowel plate.
Further, still include the support, support in the bottom of lower chord, the support is located under the intersection of lower chord.
Further, the holder includes:
A base; and
The supporting plates are vertically arranged on the base, accommodating grooves are formed in the upper portions of the supporting plates, and the lower chord is accommodated in the accommodating grooves of the supporting plates.
Furthermore, the support plates are arranged along the radial direction of the lower chord, and the support plates are distributed at intervals along the axial direction of the lower chord.
The steel structure pipe truss lower chord member and web member intersecting joint structure has the advantages that the force transmission plate is vertically arranged at the intersection of the multiple web member intersecting openings of the steel structure pipe truss, so that one part of the intersecting openings of the web members on the two sides of the force transmission plate is connected with the lower chord member, and the other part of the intersecting openings of the web members on the two sides of the force transmission plate is connected with the force transmission plate. The stress borne by the web members is transmitted to the lower chord members of the steel structure pipe truss through the force transmission plates, and the stress strength is guaranteed to be unchanged. The force transmission plate ensures that the number of hidden welding seams is reduced while the stress strength of the truss is unchanged, the construction progress can be improved, the construction period is greatly shortened, the cost is reduced, the hidden welding seams and manual holes do not exist in the node structure, the strength of the base metal is ensured, the repair rate is reduced, and the welding quality of the node structure is ensured. On the other hand, the joint structure reduces the environmental pollution due to the reduction of the number of welding seams and the repair rate, and meets the requirement of green construction.
Drawings
Fig. 1 is a schematic structural diagram of a tubular joint structure of a lower chord member and a web member of a steel structural tube truss according to an embodiment of the present invention.
Fig. 2 is a top view of the intersecting joint structure of the lower chord member and the web member of the steel pipe truss according to the embodiment of the invention.
fig. 3 is a front view of the intersecting joint structure of the lower chord member and the web member of the steel pipe truss according to the embodiment of the invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
fig. 1 is a schematic structural view of a structure of a steel-structure tube truss lower chord member and web member intersecting node according to an embodiment of the present invention, fig. 2 is a top view of the structure of the steel-structure tube truss lower chord member and web member intersecting node according to the embodiment of the present invention, and fig. 3 is a front view of the structure of the steel-structure tube truss lower chord member and web member intersecting node according to the embodiment of the present invention.
Referring to fig. 1 to 3, the present invention provides a tubular truss lower chord member and web member intersecting node structure, including: a lower chord 1, a web member 2 and a dowel plate 3.
Specifically, the number of the web members 2 is plural. And a plurality of web members 2 are intersected with the lower chord member 1. The dowel plate 3 is arranged at the intersection of the lower chord 1 and the web members. Further, the dowel plate is arranged along the vertical direction. The web members 2 are respectively disposed on both sides of the dowel plate 3. The end part of the web member 2 is connected with the lower chord 1 and the force transmission plate 3 in a penetrating way.
According to the intersecting node structure of the lower chord member and the web members of the steel structure pipe truss, the force transmission plate is vertically arranged at the intersection of the plurality of web member intersecting openings of the steel structure pipe truss, so that one part of the intersecting openings of the web members on two sides of the force transmission plate is connected with the lower chord member, and the other part of the intersecting openings of the web members on two sides of the force transmission plate is connected with the force transmission plate. The stress borne by the web members is transmitted to the lower chord members of the steel structure pipe truss through the force transmission plates, and the stress strength is guaranteed to be unchanged. The force transmission plate ensures that the number of hidden welding seams is reduced while the stress strength of the truss is unchanged, the construction progress can be improved, the construction period is greatly shortened, the cost is reduced, the hidden welding seams and manual holes do not exist in the node structure, the strength of the base metal is ensured, the repair rate is reduced, and the welding quality of the node structure is ensured. On the other hand, the joint structure reduces the environmental pollution due to the reduction of the number of welding seams and the repair rate, and meets the requirement of green construction.
The force transfer plate replaces manual hole-opening welding, the welding seam quality of the steel structure pipe truss is guaranteed, and the specification of the specific force transfer plate is obtained through stress analysis and calculation at the node structure.
In the present embodiment, the force transmission plate 3 is provided at the top of the lower chord 1 in the axial direction of the lower chord. Specifically, the force transmission plate is positioned at the position right in the middle of the top of the lower chord.
The lower part of the intersecting opening of the web member 2 is connected to the lower chord member 1, and the upper part of the intersecting opening of the web member 2 is connected to the dowel plate 3. The shape of the intersecting opening of the web member 2 is cut according to the intersecting line formed after the web member is intersected with the lower chord member and the force transmission plate. The intersecting opening of the web member is welded and connected with the lower chord and the force transmission plate, and the central axis of the web member 2 passes through the central axis of the lower chord.
further, in order to improve the stability of the intersecting joint structure of the lower chord member and the web member of the steel structure pipe truss, the steel structure pipe truss further comprises a support 4. The support 4 is supported at the bottom of the lower chord 1, and the support 4 is located right below the intersection of the lower chord 1.
Specifically, the support 4 includes: a base 41 and a support plate 42.
In the present embodiment, the number of the support plates 42 is plural. The support plate 42 is vertically provided on the base 41. The support plate 42 has an accommodating groove formed at an upper portion thereof. The lower chord 1 is received in the receiving grooves of the support plates 42.
In a preferred embodiment, the support plates 42 are arranged in the radial direction of the lower chord 1, and a plurality of the support plates 42 are arranged at intervals in the axial direction of the lower chord 1.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the invention is to be defined by the scope of the appended claims.
Claims (6)
1. the utility model provides a steel construction pipe truss lower chord member passes through node structure mutually with web member which characterized in that includes:
a lower chord;
A plurality of web members intersecting the lower chord; and
The dowel plate is arranged at the intersection of the lower chord and the web members, the web members are respectively arranged on two sides of the dowel plate, and the end parts of the web members are connected with the lower chord and the dowel plate in a penetrating manner.
2. The tubular truss lower chord member and web member intersecting joint structure as claimed in claim 1, wherein said force transfer plates are arranged along an axial direction of said lower chord member.
3. The steel structural pipe truss lower chord and web member intersection node structure of claim 2, wherein a lower portion of the web member intersection is connected to the lower chord, and an upper portion of the web member intersection is connected to the dowel.
4. The steel structure pipe truss lower chord and web member intersecting joint structure as claimed in claim 1 further comprising a support base supported at the bottom of the lower chord, the support base being located directly below the intersection of the lower chord.
5. The steel structural pipe truss lower chord member and web member intersecting joint structure as claimed in claim 4, wherein said support comprises:
A base; and
the supporting plates are vertically arranged on the base, accommodating grooves are formed in the upper portions of the supporting plates, and the lower chord is accommodated in the accommodating grooves of the supporting plates.
6. The tubular truss lower chord member and web member intersecting joint structure as claimed in claim 5, wherein said support plates are arranged along a radial direction of said lower chord member, and a plurality of said support plates are arranged at intervals along an axial direction of said lower chord member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910921935.6A CN110552425A (en) | 2019-09-27 | 2019-09-27 | intersection node structure of lower chord member and web member of steel structure pipe truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910921935.6A CN110552425A (en) | 2019-09-27 | 2019-09-27 | intersection node structure of lower chord member and web member of steel structure pipe truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552425A true CN110552425A (en) | 2019-12-10 |
Family
ID=68741632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910921935.6A Pending CN110552425A (en) | 2019-09-27 | 2019-09-27 | intersection node structure of lower chord member and web member of steel structure pipe truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110552425A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807486A (en) * | 2022-12-28 | 2023-03-17 | 中国建筑设计研究院有限公司 | Node connection structure of complex pipe truss and pipe truss system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214899A (en) * | 1989-06-05 | 1993-06-01 | Beeche Gregory L | Modular truss frame system |
| CN103912065A (en) * | 2014-04-29 | 2014-07-09 | 厦门合道工程设计集团有限公司 | Integrated support joint applicable to large pulling force of large overhung pipe truss structure and manufacturing method thereof |
| KR101616988B1 (en) * | 2015-06-30 | 2016-04-29 | 동경종합건설 주식회사 | Prestressed Steel Tubular Truss Girder by External Prestressing Method |
| CN205531007U (en) * | 2016-01-12 | 2016-08-31 | 广州机施建设集团有限公司 | Novel truss node |
| CN209114717U (en) * | 2018-09-18 | 2019-07-16 | 中国建筑一局(集团)有限公司 | A kind of fashioned iron formula truss structure |
| CN211172376U (en) * | 2019-09-27 | 2020-08-04 | 中国建筑第八工程局有限公司 | Tubular truss's lower chord member passes through node structure with web member mutually |
-
2019
- 2019-09-27 CN CN201910921935.6A patent/CN110552425A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214899A (en) * | 1989-06-05 | 1993-06-01 | Beeche Gregory L | Modular truss frame system |
| CN103912065A (en) * | 2014-04-29 | 2014-07-09 | 厦门合道工程设计集团有限公司 | Integrated support joint applicable to large pulling force of large overhung pipe truss structure and manufacturing method thereof |
| KR101616988B1 (en) * | 2015-06-30 | 2016-04-29 | 동경종합건설 주식회사 | Prestressed Steel Tubular Truss Girder by External Prestressing Method |
| CN205531007U (en) * | 2016-01-12 | 2016-08-31 | 广州机施建设集团有限公司 | Novel truss node |
| CN209114717U (en) * | 2018-09-18 | 2019-07-16 | 中国建筑一局(集团)有限公司 | A kind of fashioned iron formula truss structure |
| CN211172376U (en) * | 2019-09-27 | 2020-08-04 | 中国建筑第八工程局有限公司 | Tubular truss's lower chord member passes through node structure with web member mutually |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807486A (en) * | 2022-12-28 | 2023-03-17 | 中国建筑设计研究院有限公司 | Node connection structure of complex pipe truss and pipe truss system |
| CN115807486B (en) * | 2022-12-28 | 2024-02-02 | 中国建筑设计研究院有限公司 | Node connection structure of complex pipe truss and pipe truss system |
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