WO2008122242A1 - Spherical reticulated shell assembled structure - Google Patents

Spherical reticulated shell assembled structure Download PDF

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Publication number
WO2008122242A1
WO2008122242A1 PCT/CN2008/070677 CN2008070677W WO2008122242A1 WO 2008122242 A1 WO2008122242 A1 WO 2008122242A1 CN 2008070677 W CN2008070677 W CN 2008070677W WO 2008122242 A1 WO2008122242 A1 WO 2008122242A1
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Prior art keywords
spherical
chord
node
spherical surface
layer
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PCT/CN2008/070677
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French (fr)
Chinese (zh)
Inventor
Wenying Cui
Hong Cui
Ji Cui
Runmin Li
Original Assignee
Wenying Cui
Hong Cui
Ji Cui
Runmin Li
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Application filed by Wenying Cui, Hong Cui, Ji Cui, Runmin Li filed Critical Wenying Cui
Publication of WO2008122242A1 publication Critical patent/WO2008122242A1/en

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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
    • E04B1/32—Arched structures; Vaulted structures; Folded structures
    • E04B1/3211—Structures with a vertical rotation axis or the like, e.g. semi-spherical structures
    • 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
    • E04B1/32—Arched structures; Vaulted structures; Folded structures
    • E04B2001/3235—Arched structures; Vaulted structures; Folded structures having a grid frame
    • E04B2001/3241—Frame connection details
    • E04B2001/3247—Nodes

Definitions

  • the invention relates to a bridge structure, mainly relating to a large-span concentric spherical reticulated structural bridge.
  • girder bridges, arch bridges, cable-stayed bridges and cable bridges are commonly used in bridge construction. Due to the difficulty in solving the structural design of the bridge structure, the beam bridge, arch bridge and cable-stayed bridge can only be designed and constructed under the support of the pier, not only the span is small, but also the construction of the pier, especially the construction in the water is very difficult, the construction process is complicated, the construction The cost is greatly increased; the span of the cable bridge is larger than that of the girder bridge, the arch bridge and the cable-stayed bridge. Because the height of the bridge tower at both ends of the cable bridge is directly proportional to the length of the bridge, the bridge bridge length should not be too large.
  • the purpose of the invention is to design and provide a new type of spherical net shell composite structure for the problems existing in the prior art mentioned above, and to determine the two concentric spheres by mechanical analysis through accurate ball forming calculation.
  • the spherical surface of the spherical ball shell structure with different spherical diameters or the three spherical spheres of the concentric spheres constitutes a three-layered spherical shell structure as a bridge, so that the span of the bridge is proportional to the diameter of the sphere, and the force of the bridge is reasonable.
  • the spheroidal shell structure, the hexagonal grid-like upper layer composed of the upper chord assembly and the hexagonal grid-shaped lower layer composed of the lower chord assembly are spherical in shape, and the upper spherical layer and the lower spherical surface Two different spherical diameters R 2 and R 1 for concentric spheres
  • the two-layer spherical surface, the upper spherical surface is located above the lower spherical surface; the upper spherical upper chord is inserted and connected by the upper node, and the lower spherical lower chord is inserted and connected by the lower node, and the upper and lower ends of the abdominal rod are respectively connected with The node and the lower node are connected to form a double-layered net shell.
  • the spheroidal shell assembly structure wherein the hexagonal grid-like upper spherical surface formed by the upper chord is disposed with a hexagonal grid-like top spherical surface composed of a top chord assembly, the top spherical surface Three different spherical diameters R 3, R 2, R 1 which are concentric spheres with the upper spherical surface and the lower spherical surface
  • R 3, R 2, R 1 which are concentric spheres with the upper spherical surface and the lower spherical surface
  • the three-layer spherical surface, the top chord is connected by the top node, and the upper and lower ends of the web are respectively connected with the top node of the top chord and the upper node of the upper chord and the upper node of the upper chord and the lower node of the lower chord,
  • the three-layered spherical shell is formed, and thus the spherical net shell composite structure is formed.
  • the overall concentric spherical reticulated shell structure of the product ensures that the top chord, the upper chord, the lower chord and the connected web of the top, bottom and lower layers of the bridge are reasonably stressed, satisfying the double-layered net-shell bridge 200-5000 m.
  • Figure 1 is a schematic view of a double-layered reticular structure.
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
  • Figure 3 is a schematic view of a three-layered reticular structure.
  • Figure 4 is a cross-sectional view taken along line B-B of Figure 3;
  • Figure 5 is a plan view of a top spherical surface of the top chord of Figure 3;
  • Figure 6 is a top plan view of the upper sphere formed by the upper chord in Figure 1 or Figure 3.
  • Figure 7 is a plan view of the lower spherical surface of Figure 1 or Figure 3, which is composed of a lower chord.
  • Figure 8 is Figure 1 or Figure 3
  • Figure 9 is a front elevational view of the connector of the node on the double-layered net shell of Figure 1.
  • Figure 10 is a top plan view of Figure 9.
  • Figure 18 is a connector of the double-layered lower mesh dome of Figure 1 or Figure 3
  • Figure 12 is a plan view of Figure 11 in a downward direction.
  • Figure 13 is a structural view of the connector of the three-layered net-shell top node of Figure 3.
  • Figure 14 is a plan view of Figure 13 .
  • the reticular shell structure, the hexagonal grid-like upper layer composed of the upper chord 1 and the hexagonal grid-like lower layer assembled by the lower chord 2 are spherical in shape, and the upper spherical surface and
  • the lower spherical surface is a two-spherical spherical surface at two different spherical diameters R2 and R1 of the concentric sphere, and the upper spherical surface is located above the lower spherical surface;
  • the upper spherical surface of the upper spherical surface is inserted and connected by the upper node 4, and the lower spherical surface of the lower spherical chord 2 is
  • the lower node 3 is inserted and connected, and the upper and lower ends of the web are respectively connected with the upper node 4 and the lower node 3 to form a double-layered net shell.
  • the top spherical surface and the upper spherical surface and the lower spherical surface are concentric spheres of three different spherical diameters R 3, R 2 , and R 3 at a spherical surface, between the top chord 6 Connected by the top node 7, the upper and lower ends of the web 5 respectively connect the top node 7 of the top chord 6 with the upper node 4 of the upper chord 1 and the upper node 4 of the upper chord 1 and the lower node 3 of the lower chord 2, respectively.
  • Three-layer net shell are concentric spheres of three different spherical diameters R 3, R 2 , and R 3 at a spherical surface, between the top chord 6 Connected by the top node 7, the upper and lower ends of the web 5 respectively connect the top node 7 of the top chord 6 with the upper node 4 of the upper chord 1 and the upper node 4 of the upper chord 1 and the lower node 3 of the lower chord 2, respectively.
  • the hexagonal grid-like upper sphere formed by the upper chord 1 is opposite to the upper node in each hexagonal grid.
  • Connect the steel bars between 4 and the lower template 9 is installed on the lower part of the upper spherical surface.
  • the connecting pieces are connected and assembled into a double-layer or three-layer ball-and-socket structure bridge.
  • the two ends of the bridge span are connected with the pier, and the hexagonal grid-shaped upper spherical surface and the lower template formed by the upper chord 1
  • the formed cavity is filled with concrete to form a reinforced concrete fixed slab, which becomes a complete truss composite structure bridge.

Abstract

A spherical reticulated shell assembled structure comprises an upper layer of hexagon grid fabricated by upper chords (1), and a lower layer of hexagon grid fabricated by lower chords (2). Both layers are spherical surfaces. The upper spherical layer and the lower spherical layer are two spherical surfaces with different radiuses (R1 and R2) of homocentric spheres, and the upper spherical layer is above the lower spherical layer. The upper chords (1) of the upper spherical layer are inserted into upper nodes (4) to be connected together, and the lower chords (2) of the lower spherical layer are inserted into lower nodes (3) to be connected together. The top ends and the bottom ends of web members (5) are connected with the upper nodes (4) and the lower nodes (3) respectively. Then the double-layer spherical reticulated shell is constituted.

Description

说明书 球网壳组合结构  Specification Ball mesh shell structure
技术领域  Technical field
[1] 本发明创造涉及一种桥梁结构， 主要涉及一种大跨度同心球面网壳结构桥。  [1] The invention relates to a bridge structure, mainly relating to a large-span concentric spherical reticulated structural bridge.
背景技术  Background technique
[2] 目前， 在桥梁施工建设中普遍釆用梁桥、 拱桥、 斜拉桥和索桥。 由于桥梁结构 设计中受力问题难以解决， 梁桥、 拱桥和斜拉桥只能在桥墩支撑配合下完成设 计建设， 不仅跨度小、 而且桥墩的施工， 尤其水中施工非常困难， 施工工艺复 杂， 建设成本大幅提高； 索桥的跨度比梁桥、 拱桥、 斜拉桥要大， 伹由于索桥 两端桥塔塔高与桥长成正比， 所以索桥桥长也不宜过大。  [2] At present, girder bridges, arch bridges, cable-stayed bridges and cable bridges are commonly used in bridge construction. Due to the difficulty in solving the structural design of the bridge structure, the beam bridge, arch bridge and cable-stayed bridge can only be designed and constructed under the support of the pier, not only the span is small, but also the construction of the pier, especially the construction in the water is very difficult, the construction process is complicated, the construction The cost is greatly increased; the span of the cable bridge is larger than that of the girder bridge, the arch bridge and the cable-stayed bridge. Because the height of the bridge tower at both ends of the cable bridge is directly proportional to the length of the bridge, the bridge bridge length should not be too large.
对发明的公开  Disclosure of invention
技术问题  technical problem
[3] 本发明创造的目的是针对上述已有技术存在的问题， 设计提供一种新型的球网 壳组合结构， 通过准确的成球计算， 再经力学分析， 确定釆用同心球体的二个 不同球径处球面构成双层球网壳结构或者釆用同心球体的三个不同球径处球面 构成三层球网壳结构做为桥架， 使桥跨度正比于球体直径， 达到桥架受力合理 [3] The purpose of the invention is to design and provide a new type of spherical net shell composite structure for the problems existing in the prior art mentioned above, and to determine the two concentric spheres by mechanical analysis through accurate ball forming calculation. The spherical surface of the spherical ball shell structure with different spherical diameters or the three spherical spheres of the concentric spheres constitutes a three-layered spherical shell structure as a bridge, so that the span of the bridge is proportional to the diameter of the sphere, and the force of the bridge is reasonable.
、 强度好、 刚度大、 跨度大、 施工简单、 建桥成本氐廉的目的。 The purpose of good strength, high rigidity, large span, simple construction and low cost of building bridges.
技术解决方案  Technical solution
[4] 球网壳组合结构， 由上弦杆组装构成的六边形网格状上层面和由下弦杆组装构 成的六边形网格状下层面整体均呈球面状， 且上层球面和下层球面为同心球体 的两个不同球径 R 2和 R 1  [4] The spheroidal shell structure, the hexagonal grid-like upper layer composed of the upper chord assembly and the hexagonal grid-shaped lower layer composed of the lower chord assembly are spherical in shape, and the upper spherical layer and the lower spherical surface Two different spherical diameters R 2 and R 1 for concentric spheres
处的两层球面， 上层球面位于下层球面上方； 上层球面的上弦杆之间由上节点 插装连接， 下层球面的下弦杆之间由下节点插装连接， 腹杆的上、 下端分别与 上节点和下节点连接， 构成双层球网壳。  The two-layer spherical surface, the upper spherical surface is located above the lower spherical surface; the upper spherical upper chord is inserted and connected by the upper node, and the lower spherical lower chord is inserted and connected by the lower node, and the upper and lower ends of the abdominal rod are respectively connected with The node and the lower node are connected to form a double-layered net shell.
[5] 所述的球网壳组合结构， 所述的由上弦杆构成的六边形网格状上层球面上方配 置安装由顶弦杆组装构成的六边形网格状顶层球面， 该顶层球面与上层球面、 下层球面为同心球体的三个不同球径 R 3、 R 2、 R 1 处的三层球面， 顶弦杆之间由顶节点连接， 腹杆的上、 下端分别将顶弦杆的顶 节点与上弦杆的上节点和上弦杆的上节点与下弦杆的下节点连接， 构成三层球 网壳， 至此构成球网壳组合结构。 [5] The spheroidal shell assembly structure, wherein the hexagonal grid-like upper spherical surface formed by the upper chord is disposed with a hexagonal grid-like top spherical surface composed of a top chord assembly, the top spherical surface Three different spherical diameters R 3, R 2, R 1 which are concentric spheres with the upper spherical surface and the lower spherical surface The three-layer spherical surface, the top chord is connected by the top node, and the upper and lower ends of the web are respectively connected with the top node of the top chord and the upper node of the upper chord and the upper node of the upper chord and the lower node of the lower chord, The three-layered spherical shell is formed, and thus the spherical net shell composite structure is formed.
[6] 所述的球网壳组合结构， 所述的由上弦杆构成的六边形网格状上层球面每个六 边形网格内相对上节点之间连接钢筋， 下模板配置安装在上层球面下部上。 有益效果  [6] The spheroidal shell assembly structure, the hexagonal grid-shaped upper spherical surface composed of the upper chord is connected to the upper node in each hexagonal grid, and the lower template is disposed on the upper layer. On the lower part of the sphere. Beneficial effect
[7] 1.  [7] 1.
本产品的整体同心球面状网壳结构保证了桥架顶层、 上层、 下层面的顶弦杆、 上弦杆、 下弦杆及连接的腹杆受力合理， 满足了双层球网壳桥 200-5000 米跨度、 三层球网壳桥 10  The overall concentric spherical reticulated shell structure of the product ensures that the top chord, the upper chord, the lower chord and the connected web of the top, bottom and lower layers of the bridge are reasonably stressed, satisfying the double-layered net-shell bridge 200-5000 m. Span, three-layer ball net shell bridge 10
公里以上大跨度桥梁建设要求， 不仅引桥短， 而且无需在江河湖海的水域中设 置建设桥墩， 大幅度减少施工作业量， 降氐了施工的难度， 省工省吋省力， 造 价氐廉， 桥下通航高度大， 本球网壳结构也可用于大跨度的建筑物物项， 适用 性广。  More than the construction of large-span bridges above the kilometer, not only the bridges are short, but also there is no need to build bridge piers in the waters of rivers, lakes and seas, which greatly reduces the amount of construction work, reduces the difficulty of construction, saves labor, saves labor, and costs cheaply. The navigation height is large, and the net shell structure can also be used for large-span building items with wide applicability.
附图说明  DRAWINGS
[8] 附图 1是双层的球网壳组合结构示意图。  [8] Figure 1 is a schematic view of a double-layered reticular structure.
[9] 附图 2是附图 1的 A-A剖面图。  Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
[10] 附图 3是三层的球网壳结构示意图。  [10] Figure 3 is a schematic view of a three-layered reticular structure.
[11] 附图 4是附图 3的 B-B剖面图。  Figure 4 is a cross-sectional view taken along line B-B of Figure 3;
[12] 附图 5是附图 3中由顶弦杆构成的顶层球面俯视图。  Figure 5 is a plan view of a top spherical surface of the top chord of Figure 3;
[13] 附图 6是附图 1或附图 3中由上弦杆构成的上层球面俯视图。  Figure 6 is a top plan view of the upper sphere formed by the upper chord in Figure 1 or Figure 3.
[14] 附图 7是附图 1或附图 3中由下弦杆构成的下层球面俯视图。  Figure 7 is a plan view of the lower spherical surface of Figure 1 or Figure 3, which is composed of a lower chord.
[15] 附图 8是附图 1或附图 3  Figure 8 is Figure 1 or Figure 3
中上层球面的六边形网格结构及与下模板配置关系示意图。  Schematic diagram of the hexagonal grid structure of the upper middle sphere and the configuration of the lower template.
[16] 附图 9是附图 1中双层的球网壳上节点的连接件主视图。 Figure 9 is a front elevational view of the connector of the node on the double-layered net shell of Figure 1.
[17] 附图 10是附图 9的俯向视图。 Figure 10 is a top plan view of Figure 9.
[18] 附图 11是附图 1中双层的球网壳下节点的连接件、 或附图 3  Figure 18 is a connector of the double-layered lower mesh dome of Figure 1 or Figure 3
中三层球网壳上节点的连接件、 下节点的连接件主视图。 [19] 附图 12是附图 11俯向视图。 The main part of the connector of the node on the middle three-layer net shell and the connector of the lower node. Figure 12 is a plan view of Figure 11 in a downward direction.
[20] 附图 13是附图 3中三层球网壳顶节点的连接件结构图。  Figure 13 is a structural view of the connector of the three-layered net-shell top node of Figure 3.
[21] 附图 14是附图 13的俯向视图。 Figure 14 is a plan view of Figure 13 .
[22] 其中： 1.上弦杆、 2下弦杆、 3下节点、 4.上节点、 5腹杆、 6顶弦杆、 7 顶节点、 8钢筋、 9下模板。  [22] Among them: 1. Upper chord, 2 lower chord, 3 lower node, 4. Upper node, 5 web rod, 6 top chord, 7 top node, 8 rebar, 9 lower template.
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[23] 球网壳组合结构， 由上弦杆 1组装构成的六边形网格状上层面和由下弦杆 2组装 构成的六边形网格状下层面整体均呈球面状， 且上层球面和下层球面为同心球 体的两个不同球径 R2和 R1处的两层球面， 上层球面位于下层球面上方； 上层球 面的上弦杆 1之间由上节点 4插装连接， 下层球面的下弦杆 2之间由下节点 3插装 连接， 腹杆的上、 下端分别与上节点 4和下节点 3连接， 构成双层球网壳。  [23] The reticular shell structure, the hexagonal grid-like upper layer composed of the upper chord 1 and the hexagonal grid-like lower layer assembled by the lower chord 2 are spherical in shape, and the upper spherical surface and The lower spherical surface is a two-spherical spherical surface at two different spherical diameters R2 and R1 of the concentric sphere, and the upper spherical surface is located above the lower spherical surface; the upper spherical surface of the upper spherical surface is inserted and connected by the upper node 4, and the lower spherical surface of the lower spherical chord 2 is The lower node 3 is inserted and connected, and the upper and lower ends of the web are respectively connected with the upper node 4 and the lower node 3 to form a double-layered net shell.
本发明的实施方式  Embodiments of the invention
[24] 由上弦杆 1构成的六边形网格状上层球面上方配置安装由顶弦杆 6  [24] The hexagonal grid formed by the upper chord 1 is placed above the spherical surface by the top chord 6
组装构成的六边形网格状顶层球面， 该顶层球面与上层球面、 下层球面为同心 球体的三个不同球径 R 3、 R 2、 R l处的三层球面， 顶弦杆 6之间由顶节点 7 连接， 腹杆 5的上、 下端分别将顶弦杆 6的顶节点 7与上弦杆 1的上节点 4 和上弦杆 1的上节点 4与下弦杆 2的下节点 3连接， 构成三层球网壳。  Assembling a hexagonal grid-like top spherical surface, the top spherical surface and the upper spherical surface and the lower spherical surface are concentric spheres of three different spherical diameters R 3, R 2 , and R 3 at a spherical surface, between the top chord 6 Connected by the top node 7, the upper and lower ends of the web 5 respectively connect the top node 7 of the top chord 6 with the upper node 4 of the upper chord 1 and the upper node 4 of the upper chord 1 and the lower node 3 of the lower chord 2, respectively. Three-layer net shell.
[25] 所述的由上弦杆 1构成的六边形网格状上层球面每个六边形网格内相对上节点  [25] The hexagonal grid-like upper sphere formed by the upper chord 1 is opposite to the upper node in each hexagonal grid.
4之间连接钢筋 8， 下模板 9配置安装在上层球面下部上。  Connect the steel bars between 4 and the lower template 9 is installed on the lower part of the upper spherical surface.
[26] 施工建设吋， 以钢管作为上弦杆 1、 下弦杆 2、 腹杆 5和顶弦杆 6  [26] Construction construction 吋, with steel pipe as upper chord 1, lower chord 2, web 5 and top chord 6
选材， 与上节点 4、 下节点 3和顶节点 7  Material selection, with upper node 4, lower node 3 and top node 7
的连接件连接， 拼装成双层或三层球网壳结构桥架， 桥架跨度两端部与桥墩连 接， 在上弦杆 1构成的六边形网格状上层球面与下模板 9  The connecting pieces are connected and assembled into a double-layer or three-layer ball-and-socket structure bridge. The two ends of the bridge span are connected with the pier, and the hexagonal grid-shaped upper spherical surface and the lower template formed by the upper chord 1
构成的模腔内灌注混凝土， 形成钢筋混凝土固定板层， 即成为完整的球网壳组 合结构桥架。  The formed cavity is filled with concrete to form a reinforced concrete fixed slab, which becomes a complete truss composite structure bridge.
[27]  [27]

Claims

权利要求书 一种球网壳组合结构， 其特征是： 由上弦杆组装构成的六边形网格状上层 面和由下弦杆组装构成的六边形网格状下层面整体均呈球面状， 且上层球 面和下层球面为同心球体的两个不同球径 R 2和 R 1  The invention relates to a ball net shell combined structure, characterized in that: a hexagonal grid-like upper layer composed of an upper chord assembly and a hexagonal grid-shaped lower layer formed by assembling a lower chord are spherical in shape as a whole. And the upper spherical surface and the lower spherical surface are two different spherical diameters R 2 and R 1 of the concentric sphere
处的两层球面， 上层球面位于下层球面上方； 上层球面的上弦杆之间由上 节点插装连接， 下层球面的下弦杆之间由下节点插装连接， 腹杆的上、 下 端分别与上节点和下节点连接， 构成双层球网壳。 The two-layer spherical surface, the upper spherical surface is located above the lower spherical surface; the upper spherical upper chord is inserted and connected by the upper node, and the lower spherical lower chord is inserted and connected by the lower node, and the upper and lower ends of the abdominal rod are respectively connected with The node and the lower node are connected to form a double-layered net shell.
2.根据权利要求 1  2. According to claim 1
所述的球网壳组合结构， 其特征是： 所述的由上弦杆构成的六边形网格状 上层球面上方配置安装由顶弦杆组装构成的六边形网格状顶层球面， 该顶 层球面与上层球面、 下层球面为同心球体的三个不同球径 R 3、 R 2、 R 处的三层球面， 顶弦杆之间由顶节点连接， 腹杆的上、 下端分别将顶弦杆 的顶节点与上弦杆的上节点和上弦杆的上节点与下弦杆的下节点连接， 构 成三层球网壳。 The spheroidal shell assembly structure is characterized in that: the hexagonal grid-shaped upper spherical surface formed by the upper chord is disposed with a hexagonal grid-like top spherical surface composed of a top chord assembly, the top layer The three spherical surfaces of the three spherical spheres R 3, R 2 and R with the spherical surface and the upper spherical surface and the lower spherical surface are concentric, and the top chord is connected by the top node, and the upper and lower ends of the web are respectively the top chord The top node is connected to the upper node of the upper chord and the upper node of the upper chord and the lower node of the lower chord to form a three-layer net shell.
3.根据权利要求 1或 2  3. According to claim 1 or 2
所述的球网壳组合结构， 其特征是： 所述的由上弦杆构成的六边形网格状 上层球面每个六边形网格内相对上节点之间连接钢筋， 下模板配置安装在 上层球面下部上。 The spheroidal shell assembly structure is characterized in that: the hexagonal grid-shaped upper spherical surface formed by the upper chord is connected to the upper node in each hexagonal grid, and the lower template is configured to be installed. On the lower part of the upper sphere.
PCT/CN2008/070677 2007-04-05 2008-04-04 Spherical reticulated shell assembled structure WO2008122242A1 (en)

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