CN109112945B - Bamboo wood and steel combined box girder based on bolted connection - Google Patents
Bamboo wood and steel combined box girder based on bolted connection Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
Description
技术领域Technical field
本发明属于箱梁技术领域，特别是涉及一种基于螺栓连接的竹木和钢组合箱梁。The invention belongs to the technical field of box beams, and in particular relates to a bamboo wood and steel composite box beam based on bolt connection.
背景技术Background technique
箱梁是桥梁工程中梁的一种，内部为空心状，上部两侧有翼缘，类似箱子，因而得名，分单箱和多箱等，钢筋混凝土结构的箱梁分为预制箱梁和现浇箱梁，在独立场地预制的箱梁结合架桥机可在下部工程完成后进行架设，可加速工程进度、节约工期，现浇箱梁多用于大型连续桥梁。Box girder is a kind of central girder in bridge engineering. It is hollow inside and has flanges on both sides of the upper part. It is similar to a box, hence its name. It is divided into single box and multi-box. Box girder of reinforced concrete structure is divided into prefabricated box girder and Cast-in-place box girders, which are prefabricated at an independent site and combined with a bridge erecting machine, can be erected after the lower part of the project is completed, which can speed up the project progress and save construction period. Cast-in-place box girders are mostly used for large continuous bridges.
传统的箱梁采用混凝土制成，为了保证箱梁的使用寿命，箱梁内部采用钢筋进行预应力处理，然而重量较大，工程量较大，过度消耗人力物力，降低了安装效率，且造价较高，同时箱梁结构较硬，预应力不足，会出现腹板开裂和结构耐久性不足的问题。Traditional box girders are made of concrete. In order to ensure the service life of the box girders, steel bars are used inside the box girders for prestressing treatment. However, the weight of the box girders is large, the amount of work is large, excessive manpower and material resources are consumed, the installation efficiency is reduced, and the cost is relatively high. At the same time, the box girder structure is hard and the prestress is insufficient, which may cause web cracking and insufficient structural durability.
发明内容Contents of the invention
本发明的目的在于提供一种基于螺栓连接的竹木和钢组合箱梁，通过螺纹杆、腰形孔、第二贯通孔、第一贯通孔、腰形块、盖板、销柱、第一定位孔和第二定位孔的配合使用能够将将盖板固定在竹木撑梁一侧，通过螺母和螺纹杆的螺纹配合将波形钢板固定在竹木撑梁另一侧，此时波形钢板、竹木撑梁、腰形块和抗剪钢片紧密固定在一起，解决了现有的箱梁的框架结构预应力不足造成结构耐久性较低的问题。The object of the present invention is to provide a bamboo-wood and steel composite box beam based on bolt connection, which is connected through a threaded rod, a waist-shaped hole, a second through-hole, a first through-hole, a waist-shaped block, a cover plate, a pin, and a first The combination of the positioning hole and the second positioning hole can fix the cover plate on one side of the bamboo support beam, and fix the corrugated steel plate on the other side of the bamboo support beam through the threaded cooperation of the nut and the threaded rod. At this time, the corrugated steel plate, The bamboo support beams, waist blocks and shear steel sheets are tightly fixed together, which solves the problem of low structural durability caused by insufficient prestressing of the existing box beam frame structure.
为解决上述技术问题，本发明是通过以下技术方案实现的：In order to solve the above technical problems, the present invention is implemented through the following technical solutions:
本发明为一种基于螺栓连接的竹木和钢组合箱梁，包括顶板和框架结构，所述框架结构包括波形钢板、二十个竹木撑梁和抗剪钢片，所述波形钢板、二十个竹木撑梁和抗剪钢片之间通过六十个连接组件固定连接；The invention is a bamboo-wood and steel composite box beam based on bolt connection, which includes a top plate and a frame structure. The frame structure includes corrugated steel plates, twenty bamboo-wood braces and shear-resistant steel sheets. The corrugated steel plates, twenty The bamboo support beams and shear steel sheets are fixedly connected through sixty connecting components;
所述波形钢板包括弯曲部和平直部，所述弯曲部上开设有三个第一贯通孔，所述第一贯通孔为螺纹孔结构；The corrugated steel plate includes a curved part and a straight part, and three first through holes are provided in the curved part, and the first through holes are threaded hole structures;
所述竹木撑梁一相对侧均开设有三个第二贯通孔，所述第一贯通孔和第二贯通孔的直径相同；Three second through holes are provided on one opposite side of the bamboo support beam, and the diameters of the first through holes and the second through holes are the same;
所述抗剪钢片上开设有六十个腰形孔，所述腰形孔两侧均开设有第一定位孔；Sixty waist-shaped holes are provided on the shear-resistant steel sheet, and first positioning holes are provided on both sides of the waist-shaped holes;
所述连接组件包括螺纹杆，所述螺纹杆一端固定有一腰形块，所述腰形孔与腰形块间隙配合，所述腰形块一表面固定有一转轴，所述转轴一端固定有一盖板，所述盖板和腰形块上开设有一组第二定位孔，所述螺纹杆上设有螺母。The connection component includes a threaded rod, a waist-shaped block is fixed at one end of the threaded rod, the waist-shaped hole is clearance matched with the waist-shaped block, a rotating shaft is fixed on one surface of the waist-shaped block, and a cover is fixed at one end of the rotating shaft. , a set of second positioning holes are provided on the cover plate and the waist-shaped block, and a nut is provided on the threaded rod.
进一步地，所述腰形块和竹木撑梁的厚度之和与弯曲部和抗剪钢片之间的距离相同，所述竹木撑梁、波形钢板和螺母的厚度之和小于螺纹杆的长度，差值在5-8cm的范围。Further, the sum of the thicknesses of the waist-shaped block and the bamboo-wood support beam is the same as the distance between the bending part and the shear-resistant steel sheet, and the sum of the thicknesses of the bamboo-wood support beam, the corrugated steel plate and the nut is smaller than the thickness of the threaded rod. Length, the difference is in the range of 5-8cm.
进一步地，两所述竹木撑梁之间通过螺栓固定有一支撑钢架，所述支撑钢架的横截面为X形结构。Further, a supporting steel frame is fixed between the two bamboo and wooden support beams through bolts, and the cross section of the supporting steel frame is an X-shaped structure.
进一步地，两所述第一定位孔轴心的距离和两第二定位孔轴心的距离相同，所述盖板通过第一定位孔、第二定位孔和定位销与抗剪钢片固定连接。Further, the distance between the axes of the two first positioning holes is the same as the distance between the axes of the two second positioning holes, and the cover plate is fixedly connected to the shear steel sheet through the first positioning holes, the second positioning holes and the positioning pins. .
进一步地，所述转轴的长度与抗剪钢片的厚度相同，所述转轴的直径与腰形孔的内径相同。Further, the length of the rotating shaft is the same as the thickness of the shear steel sheet, and the diameter of the rotating shaft is the same as the inner diameter of the waist-shaped hole.
进一步地，所述框架结构外部固定有混凝土层，所述混凝土层内填充有钢筋条。Further, a concrete layer is fixed on the outside of the frame structure, and the concrete layer is filled with steel bars.
本发明具有以下有益效果：The invention has the following beneficial effects:
本发明通过将螺纹杆一端穿过腰形孔、第二贯通孔和第一贯通孔，此时腰形块位于竹木撑梁和抗剪钢片之间，通过转动盖板使腰形块与腰形孔呈垂直状态，通过销柱、第一定位孔和第二定位孔能够将盖板固定在竹木撑梁一侧，通过螺母和螺纹杆的螺纹配合将波形钢板固定在竹木撑梁另一侧，此时波形钢板、竹木撑梁、腰形块和抗剪钢片紧密固定在一起，便于固定且固定力足，方便安装，且利用竹木与钢的组合体制成框架结构降低了箱梁的重量，减少了工程量，提高了箱梁的安装效率，且预应力较足，避免出现腹板开裂和结构耐久性不足的问题。In the present invention, one end of the threaded rod is passed through the waist-shaped hole, the second through-hole and the first through-hole. At this time, the waist-shaped block is located between the bamboo wood support beam and the shear-resistant steel sheet, and the waist-shaped block is aligned with the waist-shaped block by rotating the cover plate. The hole is vertical, and the cover plate can be fixed on one side of the bamboo support beam through the pin, the first positioning hole and the second positioning hole, and the corrugated steel plate can be fixed on the other side of the bamboo support beam through the threaded cooperation of the nut and the threaded rod. side, at this time, the corrugated steel plate, bamboo support beam, waist-shaped block and shear steel sheet are tightly fixed together, which is easy to fix and has sufficient fixing force to facilitate installation. The frame structure is made of a combination of bamboo wood and steel, which reduces the box The weight of the beam reduces the amount of work, improves the installation efficiency of the box beam, and has sufficient prestress to avoid problems of web cracking and insufficient structural durability.
当然，实施本发明的任一产品并不一定需要同时达到以上所述的所有优点。Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.
附图说明Description of the drawings
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to explain the technical solutions of the embodiments of the present invention more clearly, the drawings needed to describe the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.
图1为本发明的一种基于螺栓连接的竹木和钢组合箱梁的结构示意图；Figure 1 is a schematic structural diagram of a bamboo wood and steel composite box beam based on bolt connection according to the present invention;
图2为框架结构和连接组件的结构示意图；Figure 2 is a schematic structural diagram of the frame structure and connection components;
图3为图2中A处的局部放大图；Figure 3 is a partial enlarged view of point A in Figure 2;
图4为竹木撑梁的结构示意图；Figure 4 is a schematic structural diagram of the bamboo and wood support beams;
图5为波形钢板的结构示意图；Figure 5 is a schematic structural diagram of the corrugated steel plate;
图6为图5中B处的局部放大图；Figure 6 is a partial enlarged view of B in Figure 5;
图7为抗剪钢片的结构示意图；Figure 7 is a schematic structural diagram of the shear steel plate;
图8为图7中C处的局部放大图；Figure 8 is a partial enlarged view of C in Figure 7;
图9为连接组件的结构示意图；Figure 9 is a schematic structural diagram of the connection component;
图10为支撑钢架的结构示意图；Figure 10 is a schematic structural diagram of the supporting steel frame;
附图中，各标号所代表的部件列表如下：In the drawings, the parts represented by each number are listed as follows:
1-顶板，2-框架结构，3-连接组件，201-波形钢板，202-竹木撑梁，203-抗剪钢片，204-第一贯通孔，205-第二贯通孔，206-腰形孔，207-第一定位孔，208-支撑钢架，301-螺纹杆，302-腰形块，303-转轴，304-盖板，305-第二定位孔，306-螺母，2011-弯曲部，2012-平直部。1-top plate, 2-frame structure, 3-connection components, 201-corrugated steel plate, 202-bamboo beam, 203-shear steel sheet, 204-first through hole, 205-second through hole, 206-waist shaped hole, 207-first positioning hole, 208-supporting steel frame, 301-threaded rod, 302-waist block, 303-shaft, 304-cover plate, 305-second positioning hole, 306-nut, 2011-bending Department, 2012-Straight Department.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.
请参阅图1-10所示，本发明为一种基于螺栓连接的竹木和钢组合箱梁，包括顶板1和框架结构2，框架结构2包括波形钢板201、二十个竹木撑梁202和抗剪钢片203，波形钢板201、二十个竹木撑梁202和抗剪钢片203之间通过六十个连接组件3固定连接；Please refer to Figures 1-10. The present invention is a bamboo-wood and steel composite box beam based on bolted connections, including a top plate 1 and a frame structure 2. The frame structure 2 includes a corrugated steel plate 201 and twenty bamboo-wood support beams 202. And the shear steel sheet 203, the corrugated steel plate 201, the twenty bamboo and wood support beams 202 and the shear steel sheet 203 are fixedly connected through sixty connecting components 3;
波形钢板201包括弯曲部2011和平直部2012，弯曲部2011上开设有三个第一贯通孔204，第一贯通孔204为螺纹孔结构，；The corrugated steel plate 201 includes a curved portion 2011 and a straight portion 2012. The curved portion 2011 is provided with three first through holes 204, and the first through holes 204 are of a threaded hole structure;
竹木撑梁202一相对侧均开设有三个第二贯通孔205，第一贯通孔204和第二贯通孔205的直径相同；Three second through holes 205 are provided on opposite sides of the bamboo support beam 202, and the diameters of the first through holes 204 and the second through holes 205 are the same;
抗剪钢片203上开设有六十个腰形孔206，腰形孔206两侧均开设有第一定位孔207；Sixty waist-shaped holes 206 are provided on the shear-resistant steel sheet 203, and first positioning holes 207 are provided on both sides of the waist-shaped holes 206;
连接组件3包括螺纹杆301，螺纹杆301一端固定有一腰形块302，腰形孔206与腰形块302间隙配合，腰形块302一表面固定有一转轴303，转轴303一端固定有一盖板304，盖板304和腰形块302上开设有一组第二定位孔305，螺纹杆301上设有螺母306。The connection component 3 includes a threaded rod 301. One end of the threaded rod 301 is fixed with a waist-shaped block 302. The waist-shaped hole 206 is clearance-fitted with the waist-shaped block 302. A surface of the waist-shaped block 302 is fixed with a rotating shaft 303, and one end of the rotating shaft 303 is fixed with a cover plate 304. , a set of second positioning holes 305 are opened on the cover plate 304 and the waist-shaped block 302, and a nut 306 is provided on the threaded rod 301.
其中如图3所示，腰形块302和竹木撑梁202的厚度之和与弯曲部2011和抗剪钢片203之间的距离相同，竹木撑梁202、波形钢板201和螺母306的厚度之和小于螺纹杆301的长度，差值在5-8cm的范围。As shown in Figure 3, the sum of the thicknesses of the waist-shaped block 302 and the bamboo support beam 202 is the same as the distance between the bending part 2011 and the shear steel sheet 203. The thickness of the bamboo support beam 202, the corrugated steel plate 201 and the nut 306 The sum of the thicknesses is less than the length of the threaded rod 301, and the difference is in the range of 5-8cm.
其中如图2和图10所示，两竹木撑梁202之间通过螺栓固定有一支撑钢架208，支撑钢架208的横截面为X形结构。As shown in Figures 2 and 10, a support steel frame 208 is fixed between two bamboo and wood support beams 202 through bolts, and the cross section of the support steel frame 208 is an X-shaped structure.
其中，两第一定位孔207轴心的距离和两第二定位孔305轴心的距离相同，盖板304通过第一定位孔207、第二定位孔305和定位销与抗剪钢片203固定连接。Among them, the distance between the axes of the two first positioning holes 207 is the same as the distance between the axes of the two second positioning holes 305. The cover plate 304 is fixed to the shear steel sheet 203 through the first positioning holes 207, the second positioning holes 305 and the positioning pins. connect.
其中，转轴303的长度与抗剪钢片203的厚度相同，转轴303的直径与腰形孔206的内径相同。The length of the rotating shaft 303 is the same as the thickness of the shear-resistant steel sheet 203 , and the diameter of the rotating shaft 303 is the same as the inner diameter of the waist-shaped hole 206 .
其中，框架结构2外部固定有混凝土层，混凝土层内填充有钢筋条。Among them, a concrete layer is fixed on the outside of the frame structure 2, and the concrete layer is filled with steel bars.
本实施例的一个具体应用为：框架结构2安装时，将竹木撑梁202摆放好，使用螺栓将支撑钢架208固定在两个竹木撑梁202之间，将抗剪钢片203放置在竹木撑梁202一侧，将螺纹杆301一端穿过腰形孔206、第二贯通孔205和第一贯通孔204，腰形块302穿过腰形孔206位于竹木撑梁202和抗剪钢片203之间，转动盖板304，腰形块302与腰形孔206呈垂直状态，使用销柱插入第一定位孔207和第二定位孔305，将盖板304固定在抗剪钢片203，使用螺母306将波形钢板201固定在竹木撑梁202另一侧，此时波形钢板201、竹木撑梁202、腰形块和抗剪钢片203紧密固定在一起。A specific application of this embodiment is: when installing the frame structure 2, place the bamboo and wooden support beams 202, use bolts to fix the supporting steel frame 208 between the two bamboo and wooden support beams 202, and secure the shear steel sheets 203 Place it on the side of the bamboo support beam 202, pass one end of the threaded rod 301 through the waist-shaped hole 206, the second through hole 205 and the first through hole 204. The waist-shaped block 302 passes through the waist-shaped hole 206 and is located on the bamboo support beam 202. and the shear-resistant steel sheet 203, rotate the cover plate 304, the waist-shaped block 302 and the waist-shaped hole 206 are in a vertical state, use pins to insert the first positioning hole 207 and the second positioning hole 305, and fix the cover plate 304 on the anti-shear steel sheet 203. Cut the steel sheet 203, and use nuts 306 to fix the corrugated steel plate 201 on the other side of the bamboo support beam 202. At this time, the corrugated steel plate 201, the bamboo support beam 202, the waist block and the shear steel sheet 203 are tightly fixed together.
在本说明书的描述中，参考术语“一个实施例”、“示例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。In the description of this specification, reference to the terms "one embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the invention. in an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节，也不限制该发明仅为所述的具体实施方式。显然，根据本说明书的内容，可作很多的修改和变化。本说明书选取并具体描述这些实施例，是为了更好地解释本发明的原理和实际应用，从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。The preferred embodiments of the invention disclosed above are only intended to help illustrate the invention. The preferred embodiments do not describe all details, nor do they limit the invention to the specific implementations described. Obviously, many modifications and variations are possible in light of the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can better understand and utilize the present invention. The invention is limited only by the claims and their full scope and equivalents.
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| CN201811210971.3A CN109112945B (en) | 2018-10-17 | 2018-10-17 | Bamboo wood and steel combined box girder based on bolted connection |
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| CN201811210971.3A CN109112945B (en) | 2018-10-17 | 2018-10-17 | Bamboo wood and steel combined box girder based on bolted connection |
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| CN109162348A (en) * | 2018-10-17 | 2019-01-08 | 苏州昆仑绿建木结构科技股份有限公司 | A kind of assembled bamboo hollow frame structure with prestressing force enhancing box beam |
| CN110861117B (en) * | 2019-10-24 | 2024-01-19 | 石泉县博达盛昌新型材料制造有限公司 | Industrial mechanical arm for production line |
| CN111236091B (en) * | 2020-01-21 | 2021-07-06 | 滁州职业技术学院 | Concrete lining reinforcement structure of corrugated steel web box girder bridge |
| CN116949912B (en) * | 2023-06-21 | 2025-11-25 | 中南林业科技大学 | A steel-bamboo-concrete composite box girder and its construction method |
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