CN106381927B - An earthquake-damaged replaceable steel beam structure - Google Patents
An earthquake-damaged replaceable steel beam structure Download PDFInfo
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- CN106381927B CN106381927B CN201610981438.1A CN201610981438A CN106381927B CN 106381927 B CN106381927 B CN 106381927B CN 201610981438 A CN201610981438 A CN 201610981438A CN 106381927 B CN106381927 B CN 106381927B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 227
- 239000010959 steel Substances 0.000 title claims abstract description 227
- 239000002131 composite material Substances 0.000 claims abstract description 23
- 239000003351 stiffener Substances 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 claims 23
- 210000001015 abdomen Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 15
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 40
- 238000010586 diagram Methods 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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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
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
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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
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
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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
- E04B2001/2484—Details of floor panels or slabs
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- Engineering & Computer Science (AREA)
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Abstract
本发明公开了一种震损可替换钢梁结构，包括一组合钢梁和一连接于组合钢梁之上的组合楼板，该组合钢梁包括依次相连的一第一端部钢梁、一第一耗能段钢梁、一跨中段钢梁、一第二耗能段钢梁和一第二端部钢梁，第一端部钢梁和第二端部钢梁分别与两侧的端柱相连，上述各钢梁均为工字梁，容易修复，且修复成本低，施工周期短，受气候条件制约小。
The invention discloses an earthquake-damaged replaceable steel beam structure, which comprises a composite steel beam and a composite floor connected to the composite steel beam, and the composite steel beam includes a first end steel beam, a first steel beam connected in sequence An energy-dissipating section steel beam, a mid-span steel beam, a second energy-dissipating section steel beam and a second end steel beam, the first end steel beam and the second end steel beam are respectively connected to the end columns on both sides The above-mentioned steel beams are all I-beams, which are easy to repair, and the repair cost is low, the construction period is short, and it is less restricted by climate conditions.
Description
技术领域technical field
本发明属于建筑结构技术领域，具体涉及一种震损可替换钢梁结构。The invention belongs to the technical field of building structures, and in particular relates to an earthquake-damaged replaceable steel beam structure.
背景技术Background technique
传统的框架结构是指采用钢筋混凝土柱-钢筋混凝土梁的构造形式，楼板与梁进行整浇。结构自重较大，而传统的现场施工方式，工业化程度较低，支护模板、养护、拆模工序繁琐且产生大量建筑垃圾，遭遇地震损伤后结构难以修复或者修复成本较高。与之相比，混凝土柱-钢梁组合结构自重较轻，大大减少现浇作业，施工周期短，受气候条件制约小。但由于楼板的存在，钢梁在震损后难以维修更换或者维修更换成本仍较高。The traditional frame structure refers to the structural form of reinforced concrete columns-reinforced concrete beams, and the floor and beams are integrally poured. The self-weight of the structure is relatively large, while the traditional on-site construction method has a low degree of industrialization. The supporting formwork, maintenance, and formwork removal processes are cumbersome and generate a lot of construction waste. After the earthquake damage, the structure is difficult to repair or the repair cost is high. In contrast, the concrete column-steel beam composite structure has a lighter weight, which greatly reduces the cast-in-place operations, shortens the construction period, and is less restricted by climatic conditions. However, due to the existence of the floor slab, it is difficult to repair and replace the steel beam after the earthquake damage or the cost of repair and replacement is still high.
发明内容Contents of the invention
本发明的目的在于克服现有技术缺陷，提供一种震损可替换钢梁结构。The purpose of the present invention is to overcome the defects of the prior art and provide a steel beam structure that can be replaced by earthquake damage.
本发明的技术方案如下：Technical scheme of the present invention is as follows:
一种震损可替换钢梁结构，包括一组合钢梁和一连接于组合钢梁之上的组合楼板，该组合钢梁包括依次相连的一第一端部钢梁、一第一耗能段钢梁、一跨中段钢梁、一第二耗能段钢梁和一第二端部钢梁，第一端部钢梁和第二端部钢梁分别与两侧的端柱相连，上述各钢梁均为工字梁，其中，An earthquake-damaged replaceable steel beam structure, comprising a combined steel beam and a combined floor slab connected to the combined steel beam, the combined steel beam includes a first end steel beam and a first energy-consuming section connected in sequence Steel girders, steel beams in the middle of a span, steel beams in the second energy-dissipating section, and steel beams at the second end, the steel beams at the first end and the steel beams at the second end are respectively connected to the end columns on both sides The steel beams are all I-beams, of which,
跨中段钢梁与第一耗能段钢梁的一端和第二耗能段钢梁的一端均通过上翼缘拼接板、腹板拼接板和下翼缘拼接板相连，且跨中段钢梁与第一耗能段钢梁和第二耗能段钢梁之间均具有间隙；上述上翼缘拼接板、腹板拼接板和下翼缘拼接板均通过第一高强摩擦型螺栓与跨中段钢梁、第一耗能段钢梁和第二耗能段钢梁相连；The steel beam in the middle span is connected to one end of the steel beam in the first energy dissipation section and one end of the steel beam in the second energy dissipation section through the upper flange splicing plate, the web splicing plate and the lower flange splicing plate, and the steel beam in the middle span is connected to the There are gaps between the steel beams of the first energy-dissipating section and the steel beams of the second energy-dissipating section; The beam, the steel beam of the first energy dissipation section and the steel beam of the second energy dissipation section are connected;
第一端部钢梁和第二端部钢梁的一端均焊接有一第一摩擦板，第一耗能段钢梁和第二耗能段钢梁的另一端均焊接有一第二摩擦板，第一端部钢梁和第二端部钢梁的第一摩擦板分别与第一耗能段钢梁和第二耗能段钢梁的第二摩擦板紧密贴合，并通过第一高强摩擦型螺栓相连；One end of the steel beam at the first end and the steel beam at the second end are welded with a first friction plate, and the other ends of the steel beam at the first energy dissipation section and the steel beam at the second energy dissipation section are welded with a second friction plate. The first friction plate of the steel beam at one end and the steel beam at the second end are closely attached to the second friction plate of the steel beam of the first energy dissipation section and the steel beam of the second energy dissipation section respectively, and are passed through the first high-strength friction type bolted;
第一端部钢梁和第二端部钢梁的另一端均焊接有一第三摩擦板，该第三摩擦板与端柱紧密贴合，并通过第一高强摩擦型螺栓与端柱相连。A third friction plate is welded to the other ends of the steel beam at the first end and the steel beam at the second end. The third friction plate closely fits the end column and is connected with the end column through the first high-strength friction bolt.
在本发明的一个优选实施方案中，所述跨中段钢梁通过焊钉与组合楼板相连。In a preferred embodiment of the present invention, the mid-span steel beam is connected to the composite floor slab through welding studs.
在本发明的一个优选实施方案中，所述第一耗能段钢梁和第二耗能段钢梁均通过带双螺帽的第二高强摩擦型螺栓与组合楼板相连。In a preferred embodiment of the present invention, both the steel beams of the first energy dissipation section and the steel beams of the second energy dissipation section are connected to the composite floor through second high-strength friction bolts with double nuts.
在本发明的一个优选实施方案中，所述第一端部钢梁和第二端部钢梁均通过焊钉与组合楼板相连。In a preferred embodiment of the present invention, both the first end steel girder and the second end steel girder are connected to the composite floor slab by welding studs.
在本发明的一个优选实施方案中，所述组合楼板包括压型钢板和浇筑在压型钢板上的钢筋混凝土。In a preferred embodiment of the present invention, the composite floor includes profiled steel plates and reinforced concrete poured on the profiled steel plates.
在本发明的一个优选实施方案中，所述第一摩擦板和第二摩擦板的下端均超出第一、第二端部钢梁和第一、第二耗能段钢梁的下端，且所述第一摩擦板和第二摩擦板的下端通过第一高强摩擦型螺栓相连。In a preferred embodiment of the present invention, the lower ends of the first friction plate and the second friction plate are beyond the lower ends of the first and second end steel beams and the first and second energy dissipation section steel beams, and the The lower ends of the first friction plate and the second friction plate are connected by first high-strength friction bolts.
进一步优选的，所述第一摩擦板的下端与第一端部钢梁和第二端部钢梁的下端之间设有若干第一加劲肋，所述第二摩擦板的下端与第一耗能段钢梁和第二耗能段钢梁的下端之间设有若干第二加劲肋。Further preferably, several first stiffeners are provided between the lower end of the first friction plate and the lower ends of the first end steel beam and the second end steel beam, and the lower end of the second friction plate is connected to the first friction plate. A plurality of second stiffeners are arranged between the steel beam of the energy section and the lower end of the steel beam of the second energy dissipation section.
在本发明的一个优选实施方案中，所述第一摩擦板和第二摩擦板的下端均与第一、第二端部钢梁和第一、第二耗能段钢梁的下端齐平，第一端部钢梁和第一耗能段钢梁之间以及第二端部钢梁和第二耗能段钢梁之间均通过一下翼缘拼接板相连，且该下翼缘拼接板均通过第一高强摩擦型螺栓与第一端部钢梁、第二端部钢梁、第一耗能段钢梁和第二耗能段钢梁相连。In a preferred embodiment of the present invention, the lower ends of the first friction plate and the second friction plate are flush with the lower ends of the first and second end steel beams and the first and second energy dissipation section steel beams, Both the first end steel beam and the first energy dissipation section steel beam and the second end steel beam and the second energy dissipation section steel beam are connected by the lower flange splicing plate, and the lower flange splicing plate is The first high-strength friction bolt is connected with the first end steel beam, the second end steel beam, the first energy dissipation section steel beam and the second energy dissipation section steel beam.
在本发明的一个优选实施方案中，所述第三摩擦板的上下端分别超出所述第一端部钢梁和第二端部钢梁的上端和下端，且第三摩擦板的上下两端与第一、第二端部钢梁的上下两端之间均设有若干第三加劲肋。In a preferred embodiment of the present invention, the upper and lower ends of the third friction plate respectively exceed the upper and lower ends of the first end steel beam and the second end steel beam, and the upper and lower ends of the third friction plate Several third stiffeners are arranged between the upper and lower ends of the first and second end steel beams.
本发明的有益效果：Beneficial effects of the present invention:
1、本发明的震损可替换钢梁结构，包括一组合钢梁和一连接于组合钢梁之上的组合楼板，该组合钢梁包括依次相连的一第一端部钢梁、一第一耗能段钢梁、一跨中段钢梁、一第二耗能段钢梁和一第二端部钢梁，第一端部钢梁和第二端部钢梁分别与两侧的端柱相连，上述各钢梁均为工字梁，容易修复，且修复成本低，施工周期短，受气候条件制约小。1. The earthquake damage replaceable steel beam structure of the present invention comprises a combined steel beam and a combined floor slab connected on the combined steel beam, and the combined steel beam comprises a first end steel beam connected in sequence, a first The steel girder of the energy dissipation section, the steel beam of the middle section of a span, the steel beam of the second energy dissipation section and the steel beam of the second end, the steel beam of the first end and the steel beam of the second end are respectively connected with the end columns on both sides , the above-mentioned steel beams are I-beams, easy to repair, and the repair cost is low, the construction period is short, and it is less restricted by climate conditions.
2、本发明各段梁可在工厂预制，可提高制作精度，可拆卸运输，减小运输难度，便于在现场拼装，施工简单，减少施工周期，且有效保护施工环境(如减少建筑垃圾、粉尘污染及噪声污染)，符合绿色建筑精神。2. Each section beam of the present invention can be prefabricated in a factory, which can improve manufacturing accuracy, can be disassembled for transportation, reduces transportation difficulty, facilitates assembly on site, simple construction, reduces construction period, and effectively protects the construction environment (such as reducing construction waste, dust, etc.) pollution and noise pollution), in line with the spirit of green building.
3、本发明的力学性能可靠，可确保连接可靠。3. The mechanical properties of the present invention are reliable, which can ensure reliable connection.
附图说明Description of drawings
图1为本发明的实施例1的整体结构示意图(可替换耗能段钢梁与不可替换端部钢梁下翼缘采用拼接板形式)；Fig. 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention (the steel beam of the replaceable energy-dissipating section and the lower flange of the non-replaceable end steel beam adopt the form of a spliced plate);
图2为本发明中跨中段钢梁(不可替换)与组合楼板的连接结构示意图。Fig. 2 is a schematic diagram of the connection structure between the mid-span steel beam (non-replaceable) and the composite floor of the present invention.
图3为本发明中跨中段钢梁与第一、第二耗能段钢梁的连接结构侧面图。Fig. 3 is a side view of the connection structure between the mid-span mid-section steel beam and the first and second energy-dissipating section steel beams of the present invention.
图4为本发明中跨中段钢梁与第一、第二耗能段钢梁的连接结构正面图。Fig. 4 is a front view of the connection structure between the mid-span mid-section steel beam and the first and second energy-dissipating section steel beams of the present invention.
图5为本发明中第一、第二耗能段钢梁与组合楼板的连接结构示意图。Fig. 5 is a schematic diagram of the connection structure between the steel beams of the first and second energy-dissipating sections and the composite floor in the present invention.
图6为本发明中第一、第二耗能段钢梁与第一、第二端部钢梁的连接结构侧面图。Fig. 6 is a side view of the connection structure of the first and second energy-dissipating section steel beams and the first and second end steel beams in the present invention.
图7为本发明的实施例1中第一、第二耗能段钢梁与第一、第二端部钢梁的连接结构正面图。Fig. 7 is a front view of the connection structure of the first and second energy dissipation section steel beams and the first and second end steel beams in Embodiment 1 of the present invention.
图8为本发明中第一、第二端部钢梁与端柱的连接结构正面图。Fig. 8 is a front view of the connection structure between the first and second end steel beams and end columns in the present invention.
图9为本发明中第一、第二端部钢梁与端柱的连接构造侧面图。Fig. 9 is a side view of the connection structure between the first and second end steel beams and end columns in the present invention.
图10为本发明的实施例1的立体结构示意图。Fig. 10 is a schematic perspective view of the three-dimensional structure of Embodiment 1 of the present invention.
图11为本发明的实施例2中第一、第二耗能段钢梁与第一、第二端部钢梁得连接结构正面图。Fig. 11 is a front view of the connection structure of the first and second energy-dissipating section steel beams and the first and second end steel beams in Embodiment 2 of the present invention.
图12为本发明的实施例2立体结构示意图。Fig. 12 is a schematic diagram of the three-dimensional structure of Embodiment 2 of the present invention.
具体实施方式Detailed ways
以下通过具体实施方式结合附图对本发明的技术方案进行进一步的说明和描述。The technical solutions of the present invention will be further illustrated and described below through specific embodiments in conjunction with the accompanying drawings.
实施例1Example 1
如图1所示，一种震损可替换钢梁结构，包括一组合钢梁1和一连接于组合钢梁1之上的组合楼板2，该组合钢梁1包括依次相连的一第一端部钢梁11、一第一耗能段钢梁12、一跨中段钢梁13、一第二耗能段钢梁14和一第二端部钢梁15，第一端部钢梁11和第二端部钢梁15分别与两侧的端柱10相连，上述各钢梁均为工字梁，如图2所示，所述跨中段钢梁13通过焊钉3与组合楼板2相连。如图5所示，所述第一耗能段钢梁12和第二耗能段钢梁14均通过带双螺帽的第二高强摩擦型螺栓160与组合楼板2相连。如图1所示，所述第一端部钢梁11和第二端部钢梁15均通过焊钉3与组合楼板2相连。上述组合楼板2包括压型钢板和浇筑在压型钢板上的钢筋混凝土。As shown in Figure 1, an earthquake-damaged replaceable steel beam structure includes a composite steel beam 1 and a composite floor 2 connected to the composite steel beam 1, and the composite steel beam 1 includes a first end connected in sequence The first steel beam 11 of the energy dissipation section, the steel beam 12 of the first energy dissipation section, the steel beam 13 of the middle section of the span, the steel beam 14 of the second energy dissipation section and the steel beam 15 of the second end section, the steel beam 11 of the first end section and the steel beam of the second section The steel beams 15 at the two ends are respectively connected with the end columns 10 on both sides. The above-mentioned steel beams are I-beams. As shown in FIG. As shown in FIG. 5 , the steel beam 12 of the first energy dissipation section and the steel beam 14 of the second energy dissipation section are both connected to the composite floor 2 through second high-strength friction bolts 160 with double nuts. As shown in FIG. 1 , both the first end steel beam 11 and the second end steel beam 15 are connected to the composite floor 2 through welding studs 3 . The composite floor 2 above comprises profiled steel plates and reinforced concrete poured on the profiled steel plates.
如图3和图4所示，跨中段钢梁13与第一耗能段钢梁12的一端和第二耗能段钢梁14的一端均通过上翼缘拼接板131、腹板拼接板132和下翼缘拼接板133相连，且跨中段钢梁13与第一耗能段钢梁12和第二耗能段钢梁14之间均具有18～22mm的纵向的间隙4；上述上翼缘拼接板131、腹板拼接板132和下翼缘拼接板133均通过第一高强摩擦型螺栓16与跨中段钢梁13、第一耗能段钢梁12和第二耗能段钢梁14相连，优选的，上述上翼缘拼接板131、腹板拼接板132和下翼缘拼接板133均预留有适配第一高强摩擦型螺栓16的槽形或圆形通孔；As shown in Figure 3 and Figure 4, the mid-span steel girder 13, one end of the first energy dissipation section steel beam 12 and one end of the second energy dissipation section steel beam 14 pass through the upper flange splicing plate 131 and the web splicing plate 132 It is connected with the splice plate 133 of the lower flange, and there is a longitudinal gap 4 of 18-22mm between the steel beam 13 of the middle span and the steel beam 12 of the first energy dissipation section and the steel beam 14 of the second energy dissipation section; The splice plate 131, the web splice plate 132 and the lower flange splice plate 133 are all connected to the mid-span steel beam 13, the first energy-dissipating section steel beam 12, and the second energy-dissipating section steel beam 14 through the first high-strength friction bolts 16 , preferably, the above-mentioned upper flange splicing plate 131, web splicing plate 132 and lower flange splicing plate 133 are all reserved with groove-shaped or circular through holes adapted to the first high-strength friction bolts 16;
上述跨中段钢梁13和第一、第二端部钢梁11和15均不可替换，第一耗能段钢梁12和第二耗能段钢梁14为可替换，第一耗能段钢梁12和第二耗能段的屈服先于跨中段钢梁13、第一、第二端部钢梁11和15、上翼缘拼接板131、腹板拼接板132和下翼缘拼接板133，如此可实现带楼板钢梁的可替换并避免损伤出现于不可替换构件带来的不利影响。The steel beam 13 in the mid-span and the first and second end steel beams 11 and 15 are not replaceable. The steel beam 12 of the first energy dissipation section and the steel beam 14 of the second energy dissipation section are replaceable. The yield of beam 12 and the second energy-dissipating section is earlier than that of mid-span steel beam 13, first and second end steel beams 11 and 15, upper flange splice plate 131, web splice plate 132 and lower flange splice plate 133 , so that the replacement of steel beams with floor slabs can be realized and the adverse effects of damage caused by non-replaceable components can be avoided.
如图5和图6所示，第一端部钢梁11和第二端部钢梁15的一端均焊接有一第一摩擦板17，第一耗能段钢梁12和第二耗能段钢梁14的另一端均焊接有一第二摩擦板18，第一端部钢梁11和第二端部钢梁15的第一摩擦板17分别与第一耗能段钢梁12和第二耗能段钢梁14的第二摩擦板18紧密贴合，并通过第一高强摩擦型螺栓16相连；如图6、图7和图10所示，所述第一摩擦板17和第二摩擦板18的下端均超出第一、第二端部钢梁11和15和第一、第二耗能段钢梁12和14的下端，且所述第一摩擦板17和第二摩擦板18的下端通过第一高强摩擦型螺栓16相连。所述第一摩擦板17的下端与第一端部钢梁11和第二端部钢梁15的下端之间设有若干第一加劲肋170，所述第二摩擦板18的下端与第一耗能段钢梁12和第二耗能段钢梁14的下端之间设有若干第二加劲肋180。As shown in Figure 5 and Figure 6, one end of the first end steel beam 11 and the second end steel beam 15 are welded with a first friction plate 17, the first energy dissipation section steel beam 12 and the second energy dissipation section steel beam The other end of the beam 14 is welded with a second friction plate 18, the first friction plate 17 of the first end steel beam 11 and the second end steel beam 15 are connected with the first energy dissipation section steel beam 12 and the second energy dissipation section respectively. The second friction plate 18 of the section steel beam 14 is closely fitted and connected by the first high-strength friction bolt 16; as shown in Figure 6, Figure 7 and Figure 10, the first friction plate 17 and the second friction plate 18 The lower ends of the first and second end steel beams 11 and 15 and the lower ends of the first and second energy dissipation section steel beams 12 and 14, and the lower ends of the first friction plate 17 and the second friction plate 18 pass through The first high-strength friction bolts 16 are connected to each other. Several first stiffeners 170 are provided between the lower end of the first friction plate 17 and the lower ends of the first end steel beam 11 and the second end steel beam 15, and the lower end of the second friction plate 18 is connected to the first end steel beam 15. A number of second stiffeners 180 are provided between the energy dissipation section steel beam 12 and the lower end of the second energy dissipation section steel beam 14 .
如图8和图9所示，第一端部钢梁11和第二端部钢梁15的另一端均焊接有一第三摩擦板19，该第三摩擦板19与端柱10紧密贴合，并通过第一高强摩擦型螺栓16与端柱10相连。所述第三摩擦板19的上下端分别超出所述第一端部钢梁11和第二端部钢梁15的上端和下端，且第三摩擦板19的上下两端与第一、第二端部钢梁11和15的上下两端之间均设有若干第三加劲肋190。As shown in Fig. 8 and Fig. 9, the other ends of the first end steel beam 11 and the second end steel beam 15 are welded with a third friction plate 19, and the third friction plate 19 is closely attached to the end column 10, And it is connected with the terminal column 10 through the first high-strength friction bolt 16 . The upper and lower ends of the third friction plate 19 respectively exceed the upper and lower ends of the first end steel beam 11 and the second end steel beam 15, and the upper and lower ends of the third friction plate 19 are in contact with the first and second end steel beams. Several third stiffeners 190 are provided between the upper and lower ends of the end steel beams 11 and 15 .
上述结构容易修复，且修复成本低，施工周期短，受气候条件制约小，力学性能可靠，可确保连接可靠。其各段梁可在工厂预制，可提高制作精度，可拆卸运输，减小运输难度，于施工现场就地进行拼装成整梁后进行吊装。再放置楼板的压型钢板后进行连接，浇筑混凝土，施工简单，减少施工周期，且有效保护施工环境(如减少建筑垃圾、粉尘污染及噪声污染)，符合绿色建筑精神。The above-mentioned structure is easy to repair, has low repair cost, short construction period, is less restricted by climate conditions, has reliable mechanical properties, and can ensure reliable connection. Each section of the beam can be prefabricated in the factory, which can improve the manufacturing accuracy, and can be disassembled and transported to reduce the difficulty of transportation. It can be assembled into a whole beam on the construction site and then hoisted. After placing the profiled steel plates of the floor slabs and then connecting them, pouring concrete, the construction is simple, the construction period is shortened, and the construction environment is effectively protected (such as reducing construction waste, dust pollution and noise pollution), which is in line with the spirit of green building.
实施例2Example 2
本实施例的结构和连接方式与实施例1基本相同，区别在于：如图11和12所示，所述第一摩擦板17和第二摩擦板18的下端均与第一、第二端部钢梁11和15的下端和第一、第二耗能段钢梁12和14的下端齐平，第一端部钢梁11和第一耗能段钢梁12之间以及第二端部钢梁15和第二耗能段钢梁14之间均通过一下翼缘拼接板133相连，且该下翼缘拼接板133均通过第一高强摩擦型螺栓16与第一端部钢梁11、第二端部钢梁15、第一耗能段钢梁12和第二耗能段钢梁14相连。The structure and connection mode of this embodiment are basically the same as those of Embodiment 1, the difference is that, as shown in Figures 11 and 12, the lower ends of the first friction plate 17 and the second friction plate 18 are connected to the first and second ends The lower ends of the steel beams 11 and 15 are flush with the lower ends of the steel beams 12 and 14 of the first and second energy-dissipating sections. The beam 15 and the steel beam 14 of the second energy-dissipating section are connected through the lower flange splicing plate 133, and the lower flange splicing plate 133 is connected to the first end steel beam 11 and the second end steel beam 11 through the first high-strength friction bolt 16 The steel beams 15 at the two ends, the steel beams 12 of the first energy dissipation section and the steel beams 14 of the second energy dissipation section are connected.
以上所述，仅为本发明的较佳实施例而已，故不能依此限定本发明实施的范围，即依本发明专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明涵盖的范围内。The above is only a preferred embodiment of the present invention, so the scope of the present invention cannot be limited accordingly, that is, equivalent changes and modifications made according to the patent scope of the present invention and the content of the specification should still be covered by the present invention In the range.
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| CN103628589A (en) * | 2013-12-23 | 2014-03-12 | 海南大学 | Bending shear yielding type replaceable coupling beam |
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