CN102182270B - A combined square grid type single-layer arched reticulated shell roof structure and its preparation method - Google Patents
A combined square grid type single-layer arched reticulated shell roof structure and its preparation method Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims description 5
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
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Abstract
本发明公开一种联方网格型单层拱形网壳屋面结构，由多组两个不同方向的箱型双曲拱交叉相连，编织成网状，其特征在于：所述屋面结构由X形节点（1）、Y形节点（2）及箱型斜杆（3）组装而成；本发明还公开这种联方网格型单层拱形网壳屋面结构的制备方法。本发明产品在保证结构要求的前提下，便于加工。
The invention discloses a square grid type single-layer arched reticulated shell roof structure, which is cross-connected by multiple groups of box-shaped double-curved arches in two different directions and woven into a net shape. It is characterized in that: the roof structure is composed of X Y-shaped joints (1), Y-shaped joints (2) and box-shaped slanting bars (3); the invention also discloses a method for preparing the square-grid type single-layer arched reticulated shell roof structure. The product of the invention is easy to process under the premise of ensuring the structural requirements.
Description
技术领域 technical field
本发明涉及一种屋面钢结构，具体涉及一种联方网格型单层拱形网壳屋面结构，本发明还涉及这种屋面结构的制备方法。 The invention relates to a roof steel structure, in particular to a square grid type single-layer arched reticulated shell roof structure, and also relates to a preparation method of the roof structure.
背景技术 Background technique
弯曲构件在大型重点的工程中屡见不鲜，尤以本公司承担的国家体育场和昆明新机场为代表，大、厚、扭的特征贯穿整个构件，其截面均为箱形截面。整个拱形屋面网壳由多组两个不同方向的箱型双曲拱编织而成，因屋面采用单层结构形式，各拱相互交叉形成联方网格状，另外由于拱形方向是斜向布置，同时要保证拱的上、下平面圆滑过渡(即两个圆弧面)，因此各个单拱的箱形截面形成了不规则的菱形截面形式，且为变截面结构；除此之外由于建筑的要求在拱形屋面的两端中间部位的节点呈双向的，因此给加工带来更大的难题。屋面采用何种方式进行分段，分段后节点是否满足工厂加工要求，节点形式如何制定，分段能否满足运输及现场施工吊装要求，这些都是本工程的难点。 Bending components are not uncommon in large-scale key projects, especially the National Stadium and Kunming New Airport undertaken by our company. The characteristics of large, thick and torsion run through the entire component, and its cross-section is box-shaped. The entire arched roof reticulated shell is woven by multiple groups of box-shaped double-curved arches in two different directions. Because the roof adopts a single-layer structure, the arches cross each other to form a square grid. In addition, because the arch direction is oblique At the same time, it is necessary to ensure the smooth transition between the upper and lower planes of the arch (that is, two arc surfaces), so the box-shaped section of each single arch forms an irregular rhombus section form, and is a variable-section structure; in addition, due to The building requires that the joints in the middle of the two ends of the arched roof be bidirectional, which brings greater difficulties to the processing. The method of segmenting the roof, whether the segmented nodes meet the factory processing requirements, how to formulate the node form, and whether the segments can meet the transportation and on-site construction and hoisting requirements are all difficulties in this project.
发明内容 Contents of the invention
发明目的：本发明的目的在于针对现有技术的不足，提供一种加工方便的联方网格型单层拱形网壳屋面结构。 Purpose of the invention: The purpose of the invention is to address the deficiencies of the prior art and provide a single-layer arched reticulated shell roof structure with square grids that is easy to process.
本发明的另一目的在于提供这种联方网格型单层拱形网壳屋面结构的制备方法。 Another object of the present invention is to provide a method for preparing the square grid type single-layer arched reticulated shell roof structure.
技术方案：本发明所述的联方网格型单层拱形网壳屋面结构，由多组两个不同方向的箱型双曲拱交叉相连，编织成网状，所述屋面结构由X形节点、Y形节点及箱型斜杆组装而成。 Technical solution: The square grid type single-layer arched reticulated shell roof structure of the present invention is composed of multiple sets of box-shaped double-curved arches in two different directions cross-connected and woven into a net shape. The roof structure is composed of X-shaped Nodes, Y-shaped nodes and box-shaped inclined bars are assembled.
所述X形节点、Y形节点及箱型斜杆的截面为不规则的菱形，截面采用口3000*1000*16(30)～口2000*1000*16(30)不等的变截面，且呈弧形。 The cross-sections of the X-shaped joints, Y-shaped joints and box-shaped inclined bars are irregular rhombuses, and the cross-sections are variable cross-sections ranging from 3000*1000*16(30) to 2000*1000*16(30), and curved.
本发明中，发明人根据本工程结构形式，在满足规范要求的前提下，综合考虑现场吊装、构件运输、工厂组装等因素的条件下，技术人员结合以往类似工程的经验进行综合分析比较和专家论证，最后确定将该屋面分段采用X形节点、Y形节点及箱型斜杆，这样分段既能够满足以上两方面的要求，同时也能满足结构及建筑外观等设计要求。 In the present invention, according to the structural form of this project, under the premise of meeting the requirements of the specification, under the conditions of comprehensively considering the factors such as on-site hoisting, component transportation, factory assembly, etc., the technical personnel conduct comprehensive analysis and comparison with the experience of similar projects in the past and experts After demonstration, it is finally determined that the roof section adopts X-shaped joints, Y-shaped joints and box-shaped diagonal bars, so that the sections can not only meet the requirements of the above two aspects, but also meet the design requirements of structure and building appearance.
本发明所述的联方网格型单层拱形网壳屋面结构的制备方法，包括如下步骤： The preparation method of the united square grid type single-layer arched reticulated shell roof structure of the present invention comprises the following steps:
（1）采用电脑软件对X形节点、Y形节点和箱型斜杆各个构件分别进行放样、采用数控等离子进行切割； (1) Use computer software to stake out X-shaped joints, Y-shaped joints and box-shaped oblique rods, and use CNC plasma to cut;
（2）对构件样品与钢胎架结合的形式进行综合检查； (2) Conduct a comprehensive inspection of the combination of component samples and steel tire frames;
（3）从整体模型中将单根节点一一取出，进行二次深化，单独重新绘制适于车间加工制作的胎架，这样不仅提高了制作的精度，同时加工制作效率也得到了很大的提高；另外检测时采用地样法和全站仪综合检测，以保证构件的制作精度； (3) Take out the single nodes one by one from the overall model, carry out secondary deepening, and redraw the tire frame suitable for workshop processing and production separately, which not only improves the production accuracy, but also greatly improves the processing and production efficiency Improve; in addition, the ground sample method and the total station are used for comprehensive testing to ensure the manufacturing accuracy of the components;
（4）在保证单件精度的基础上，采用电脑模拟拼装方法，对整体屋面网格进行构件的回归分析和检测，这样大大提高了现场的吊装精度，解决了实体预拼装的场地等因素限制的局限性。 (4) On the basis of ensuring the accuracy of a single piece, the computer simulation assembly method is used to perform regression analysis and detection of the components on the overall roof grid, which greatly improves the hoisting accuracy on site and solves the constraints of the physical pre-assembly site and other factors limitations.
为避免拼接带来的精度误差，步骤（1）中，对各个构件采取整体下料，端面的坡口之间下料时进行数控切割，以保证整体的加工精度。 In order to avoid the accuracy error caused by splicing, in step (1), each component is blanked as a whole, and CNC cutting is performed when blanking between the grooves of the end faces to ensure the overall machining accuracy.
有益效果：本发明与现有技术相比，其有益效果是：1、本发明产品在保证结构要求的前提下，便于加工；2、本发明方法加工精度高，满足整体建筑的使用和外观要求。 Beneficial effects: Compared with the prior art, the present invention has the following beneficial effects: 1. The product of the present invention is easy to process under the premise of ensuring the structural requirements; 2. The method of the present invention has high processing precision and meets the use and appearance requirements of the overall building .
附图说明 Description of drawings
图1为本发明产品的结构示意图； Fig. 1 is the structural representation of product of the present invention;
图2为本发明X形节点的结构示意图； Fig. 2 is the structural representation of X shape node of the present invention;
图3为本发明Y形节点的结构示意图； Fig. 3 is the structural representation of Y-shaped node of the present invention;
图4为本发明箱型斜杆的结构示意图。 Fig. 4 is a schematic diagram of the structure of the box-shaped inclined rod of the present invention.
具体实施方式 Detailed ways
下面结合附图，对本发明技术方案进行详细说明，但是本发明的保护范围不局限于所述实施例。 The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.
某火车站主站房主体结构由下到上为轨道层结构、高架层结构、高架辅楼结构及拱形屋面结构，共五层。层高自下而上分别为9.5m、12.5m、5m、5m、37m，总高度69m。拱形屋面为联方网格型单层网壳，高架辅楼钢框架作为拱形屋面结构的支座及主要的抗侧力构件。 The main structure of the main station building of a railway station consists of track layer structure, elevated layer structure, elevated auxiliary building structure and arched roof structure from bottom to top, with a total of five floors. The floor heights are 9.5m, 12.5m, 5m, 5m, 37m from bottom to top, and the total height is 69m. The arched roof is a joint grid type single-layer reticulated shell, and the steel frame of the elevated auxiliary building is used as the support of the arched roof structure and the main anti-lateral force component.
其中屋面采用菱形截面钢构件编织而成，形成一曲形网格拱，此种结构形式，各构件环环相扣，相互间的关联尺寸在加工制作时控制的精度要求特别高。 Among them, the roof is woven with diamond-shaped cross-section steel members to form a curved grid arch. In this structural form, each member is interlocked, and the interrelated dimensions require particularly high precision control during processing.
根据本工程的结构形式，本发明联方网格型单层拱形网壳屋面结构，具体结构形式如图1所示，由多组两个不同方向的箱型双曲拱交叉相连，编织成网状，所述屋面结构由X形节点1、Y形节点2及箱型斜杆3组装而成，X形节点、Y形节点及箱型斜杆的截面为不规则的菱形。
According to the structural form of this project, the single-layer arched reticulated shell roof structure of the joint square grid type of the present invention, the specific structural form is shown in Figure 1. It is composed of multiple sets of box-shaped double-curved arches in different directions. The roof structure is composed of
本发明所述的联方网格型单层拱形网壳屋面结构的制备方法，包括如下步骤： The preparation method of the united square grid type single-layer arched reticulated shell roof structure of the present invention comprises the following steps:
（1）采用电脑软件对X形节点、Y形节点和箱型斜杆各个构件分别进行放样；对各个构件采取整体下料，端面的坡口之间下料时进行数控切割； (1) Use computer software to stake out each component of the X-shaped joint, Y-shaped joint and box-shaped inclined bar; take overall blanking for each component, and perform CNC cutting when blanking between the grooves on the end face;
（2）对构件样品与钢胎架结合的形式进行综合检查； (2) Conduct a comprehensive inspection of the combination of component samples and steel tire frames;
（3）从整体模型中将单根节点一一取出，进行二次深化，单独重新绘制适于车间加工制作的胎架；同时对单根节点构件进行综合检测； (3) Take out the single nodes one by one from the overall model, carry out secondary deepening, and redraw the tire frame suitable for workshop processing and manufacturing separately; at the same time, carry out comprehensive inspection on the single node components;
（4）采用电脑模拟拼装方法，对整体屋面网格进行构件的回归分析和检测。 (4) Using the computer simulation assembly method, the regression analysis and detection of the components are carried out on the overall roof grid.
如上所述，尽管参照特定的优选实施例已经表示和表述了本发明，但其不得解释为对本发明自身的限制。在不脱离所附权利要求定义的本发明的精神和范围前提下，可对其在形式上和细节上作出各种变化。 As stated above, while the invention has been shown and described with reference to certain preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. the
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| JPH07286363A (en) | 1994-04-19 | 1995-10-31 | Takenaka Komuten Co Ltd | Method of lift-up construction of shell roof |
| JP2000120165A (en) * | 1998-10-16 | 2000-04-25 | Nippon Light Metal Co Ltd | Frame structure |
| DE10119866A1 (en) * | 2001-04-24 | 2002-11-21 | Juergen Graf | Nodal shutter bar join uses center nodal cross linking bars so opposing bars are co-planar and turn around center cross axis for arrestable linking by round bars at ends |
| CN1959023A (en) * | 2006-09-28 | 2007-05-09 | 中国水电顾问集团贵阳勘测设计研究院 | Large span, quadrate structure of house cover prepared from plane reinforcing steel bar concrete in open web interlayer and double arch flat web shell |
| CN201221143Y (en) * | 2008-07-08 | 2009-04-15 | 上海信安幕墙建筑装饰有限公司 | Metal thin case frame connecting components |
| CN202090486U (en) * | 2011-04-01 | 2011-12-28 | 江苏沪宁钢机股份有限公司 | Linked square reticulated single-layer arched reticulated shell roof structure |
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- 2011-04-01 CN CN 201110082275 patent/CN102182270B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07286363A (en) | 1994-04-19 | 1995-10-31 | Takenaka Komuten Co Ltd | Method of lift-up construction of shell roof |
| JP2000120165A (en) * | 1998-10-16 | 2000-04-25 | Nippon Light Metal Co Ltd | Frame structure |
| DE10119866A1 (en) * | 2001-04-24 | 2002-11-21 | Juergen Graf | Nodal shutter bar join uses center nodal cross linking bars so opposing bars are co-planar and turn around center cross axis for arrestable linking by round bars at ends |
| CN1959023A (en) * | 2006-09-28 | 2007-05-09 | 中国水电顾问集团贵阳勘测设计研究院 | Large span, quadrate structure of house cover prepared from plane reinforcing steel bar concrete in open web interlayer and double arch flat web shell |
| CN201221143Y (en) * | 2008-07-08 | 2009-04-15 | 上海信安幕墙建筑装饰有限公司 | Metal thin case frame connecting components |
| CN202090486U (en) * | 2011-04-01 | 2011-12-28 | 江苏沪宁钢机股份有限公司 | Linked square reticulated single-layer arched reticulated shell roof structure |
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