CN105625619A - Profiled steel sheet concrete bilateral composite floor embedded with hollow square steel tubes - Google Patents
Profiled steel sheet concrete bilateral composite floor embedded with hollow square steel tubes Download PDFInfo
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- CN105625619A CN105625619A CN201511027039.3A CN201511027039A CN105625619A CN 105625619 A CN105625619 A CN 105625619A CN 201511027039 A CN201511027039 A CN 201511027039A CN 105625619 A CN105625619 A CN 105625619A
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- hollow square
- profiled
- steel plate
- square steel
- concrete
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 102
- 239000010959 steel Substances 0.000 title claims abstract description 102
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 239000004567 concrete Substances 0.000 title claims abstract description 24
- 230000002146 bilateral effect Effects 0.000 title 1
- 238000009415 formwork Methods 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 9
- 239000011150 reinforced concrete Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明公开了一种内置空心方钢管的压型钢板混凝土双向组合楼板，包括压型钢板、空心方钢管和钢筋，压型钢板固定在钢梁上充当板底模板和板底受力筋，根据需要设置的多根空心方钢管间隔布置在压型钢板的肋顶上，且该空心方钢管与压型钢板的凹槽垂直，空心方钢管与压型钢板接触的肋顶焊接形成焊缝，在空心方钢管上部设置钢筋，在压型钢板的侧面支撑模板浇筑混凝土形成双向组合楼板。本发明内置空心方钢管承载力大，在相同承载力的条件下，较普通楼板重量更轻、厚度更小，提高了楼层净高，降低造价，特别适用在大跨度大负荷的双向板结构中，尤其适用于大空间、大跨度建筑和高层建筑楼盖体系。
The invention discloses a profiled steel plate concrete two-way composite floor with built-in hollow square steel pipes. A plurality of hollow square steel pipes that need to be set are arranged on the rib top of the profiled steel plate at intervals, and the hollow square steel tube is perpendicular to the groove of the profiled steel plate, and the rib top of the hollow square steel tube and the profiled steel plate are welded to form a weld. Steel bars are set on the upper part of the hollow square steel pipe, and concrete is poured on the side support formwork of the profiled steel plate to form a two-way composite floor. The built-in hollow square steel pipe of the present invention has a large bearing capacity. Under the same bearing capacity, it is lighter in weight and smaller in thickness than ordinary floor slabs, which improves the net height of the floor and reduces the cost. It is especially suitable for two-way slab structures with large spans and large loads. , especially suitable for large space, long-span buildings and high-rise building floor systems.
Description
技术领域technical field
本发明属于建筑技术领域，特别是一种内置空心方钢管的压型钢板混凝土双向组合楼板。The invention belongs to the technical field of construction, in particular to a two-way composite floor slab of profiled steel plate concrete with built-in hollow square steel pipes.
背景技术Background technique
当前，在我国工业与民用建筑中，钢筋混凝土结构因原材料广泛，技术成熟，造价低廉仍是应用最为广泛的建筑结构形式。但随着建筑高度和抗震要求的提高，以及现代建筑对层高、大跨度、大空间的要求越来越高，使钢筋混凝土结构的应用得到较多的限制。近年来，钢筋混凝土组合结构的发展带来许多优越性，在组合结构中越来越多采用压型钢板混凝土组合楼板作为建筑楼盖体系。At present, in my country's industrial and civil buildings, reinforced concrete structure is still the most widely used architectural structure form due to its wide range of raw materials, mature technology and low cost. However, with the improvement of building height and anti-seismic requirements, as well as the increasing requirements of modern buildings for storey height, large span and large space, the application of reinforced concrete structures has been more restricted. In recent years, the development of reinforced concrete composite structures has brought many advantages, and more and more pressed steel plate concrete composite floors are used as building floor systems in composite structures.
但传统的钢筋混凝土楼板以及压型钢板混凝土组合楼板体系都存在着以下一些技术问题：(1)现浇钢筋混凝土楼板：自重太大，易产生扰度、裂缝、无法用于大空间、大跨度，需进行支模、拆模施工麻烦且施工周期长，有梁板往往不能满足建筑物净高的要求且增加了层高，无梁板抗震性能差易产生扰度、裂缝。(2)压型钢板混凝土组合楼板：大跨度压型钢板混凝土组合楼板板厚太厚同时自重大，压型钢板与混凝土的粘结能力较差，如文献1(张欣颖,史庆轩：闭口截面压型钢板组合楼板纵向剪切粘结承载力研究，《四川建筑科学研究》2012,38(02):52-54)通过试验验证了压型钢板组合楼板主要的破坏形态之一为纵向水平剪切粘结破坏，缺少足够的粘结能力将使压型钢板组合楼板失去组合作用。However, there are some technical problems in the traditional reinforced concrete floor slab and the composite steel plate-concrete composite floor slab system: (1) Cast-in-place reinforced concrete floor slab: the self-weight is too large, which is prone to disturbance and cracks, and cannot be used in large spaces and long spans , Formwork support and formwork removal are required, and the construction is troublesome and the construction period is long. There are beams and slabs that often cannot meet the requirements of the clear height of the building and increase the storey height. (2) Profiled steel plate concrete composite floor: The thickness of the long-span profiled steel plate concrete composite floor is too thick and the self-heavy, the bonding ability between the profiled steel plate and concrete is poor. Research on longitudinal shear bond bearing capacity of steel plate composite floor, "Sichuan Building Science Research" 2012, 38 (02): 52-54) verified through experiments that one of the main failure modes of profiled steel composite floor is longitudinal horizontal shear bond If the joint is damaged, the lack of sufficient bonding capacity will make the composite floor of the profiled steel plate lose its combined effect.
发明内容Contents of the invention
本发明的目的在于提供一种承载能力高、自重轻、施工方便的内置空心方钢管的压型钢板混凝土双向组合楼板。The object of the present invention is to provide a profiled steel plate concrete two-way composite floor with built-in hollow square steel pipes with high bearing capacity, light weight and convenient construction.
实现本发明目的的技术解决方案为：一种内置空心方钢管的压型钢板混凝土双向组合楼板，包括压型钢板、空心方钢管和钢筋，压型钢板固定在钢梁上充当板底模板和板底受力筋，根据需要设置的多根空心方钢管间隔布置在压型钢板的肋顶上，且该空心方钢管与压型钢板的凹槽垂直，空心方钢管与压型钢板接触的肋顶焊接形成焊缝，在空心方钢管上部设置钢筋，在压型钢板的侧面支撑模板浇筑混凝土形成双向组合楼板。The technical solution to realize the purpose of the present invention is: a profiled steel plate concrete two-way composite floor with built-in hollow square steel pipes, including profiled steel plates, hollow square steel tubes and steel bars, and the profiled steel plates are fixed on the steel beams as slab bottom templates and slabs Bottom stress ribs, according to the needs, a plurality of hollow square steel pipes are arranged at intervals on the rib top of the profiled steel plate, and the hollow square steel tube is perpendicular to the groove of the profiled steel plate, and the rib top of the hollow square steel tube in contact with the profiled steel plate Welding forms weld seams, steel bars are placed on the upper part of the hollow square steel pipe, and concrete is poured on the side support formwork of the profiled steel plate to form a two-way composite floor slab.
本发明与现有技术相比，其显著优点：(1)内置空心方钢管承载力大，在相同承载力的条件下，较普通楼板重量更轻、厚度更小，提高了楼层净高，降低造价，特别适用在大跨度大负荷的双向板结构中，尤其适用于大空间、大跨度建筑和高层建筑楼盖体系，例如体育馆、大型展览馆、火车站等。(2)空心方钢管与压型钢板接触的地方焊接从而空心方钢管与压型钢板连成一个整体，加强了混凝土与组合板的粘结能力，提高了纵向水平抗剪承载力，降低了发生纵向水平剪切粘结破坏的可能性。(3)空心方钢管、压型钢板可加工厂预制，质量易于得到保证，施工机械化率高。(4)施工时压型钢板自承重充当下部模板，施工方便，缩短工期，节省模板。Compared with the prior art, the present invention has significant advantages: (1) The built-in hollow square steel pipe has a large bearing capacity. Under the condition of the same bearing capacity, it is lighter in weight and smaller in thickness than ordinary floor slabs, which improves the net height of the floor and reduces the floor space. It is especially suitable for two-way slab structures with large spans and large loads, especially for large space, long-span buildings and high-rise building floor systems, such as gymnasiums, large exhibition halls, railway stations, etc. (2) The place where the hollow square steel pipe is in contact with the profiled steel plate is welded so that the hollow square steel tube and the profiled steel plate are connected as a whole, which strengthens the bonding ability between the concrete and the composite plate, improves the longitudinal horizontal shear bearing capacity, and reduces the occurrence of accidents. Possibility of bond failure in longitudinal horizontal shear. (3) Hollow square steel pipes and profiled steel plates can be prefabricated in factories, the quality is easy to be guaranteed, and the construction mechanization rate is high. (4) During the construction, the profiled steel plate is self-supporting as the lower formwork, which is convenient for construction, shortens the construction period and saves formwork.
下面结合附图对本发明作进一步详细描述。The present invention will be described in further detail below in conjunction with the accompanying drawings.
附图说明Description of drawings
图1是本发明内置空心方钢管的压型钢板混凝土双向组合楼板的结构示意图。Fig. 1 is a schematic structural view of a profiled steel plate concrete two-way composite floor with built-in hollow square steel pipes of the present invention.
具体实施方式detailed description
结合图1，本发明内置空心方钢管的压型钢板混凝土双向组合楼板，包括压型钢板2、空心方钢管3和钢筋4，压型钢板2固定在钢梁上充当板底模板和板底受力筋，根据需要设置的多根空心方钢管3间隔布置在压型钢板2的肋顶6上，且该空心方钢管3与压型钢板的凹槽7垂直，空心方钢管3与压型钢板2接触的肋顶6焊接形成焊缝5，在空心方钢管3上部设置钢筋4，在压型钢板2的侧面支撑模板浇筑混凝土1形成双向组合楼板。In conjunction with Fig. 1, the profiled steel plate concrete two-way composite floor slab with built-in hollow square steel pipes of the present invention includes profiled steel plates 2, hollow square steel tubes 3 and steel bars 4, and the profiled steel plates 2 are fixed on the steel beams to serve as slab bottom formwork and slab bottom receiving Ribs, a plurality of hollow square steel pipes 3 arranged at intervals on the rib top 6 of the profiled steel plate 2 according to needs, and the hollow square steel tubes 3 are perpendicular to the groove 7 of the profiled steel plate, and the hollow square steel tubes 3 and the profiled steel plate The rib top 6 in contact with 2 is welded to form a weld 5, the steel bar 4 is arranged on the upper part of the hollow square steel pipe 3, and the formwork is poured with concrete 1 on the side of the profiled steel plate 2 to form a two-way composite floor.
本发明的钢筋4为单层和纵横双向布置。钢筋4上设置混凝土保护层。The steel bar 4 of the present invention is a single layer and arranged vertically and horizontally. A concrete protective layer is set on the reinforcement 4.
实施例Example
结合图1，在施工过程中首先将压型钢板2固定在钢梁上充当板底模板和板底受力筋(压型钢板置于板最底层)，然后将多根空心方钢管3间隔布置放在压型钢板2上且空心方钢管3与压型钢板凹槽7垂直，在空心方钢管3与压型钢板2接触的地方，即肋顶6焊接形成焊缝5，其次在空心方钢管3上部布置单层双向钢筋4并留适当的混凝土保护层，最后支侧模浇筑混凝土1。Combined with Figure 1, during the construction process, the profiled steel plate 2 is first fixed on the steel beam to serve as the slab bottom template and the slab bottom stress rib (the profiled steel plate is placed at the bottom of the slab), and then a plurality of hollow square steel pipes 3 are arranged at intervals Place on the profiled steel plate 2 and the hollow square steel pipe 3 is perpendicular to the profiled steel plate groove 7, where the hollow square steel tube 3 contacts the profiled steel plate 2, that is, the rib top 6 is welded to form a weld 5, and then the hollow square steel tube 3 is welded to form a weld 5. 3 The upper part is arranged with a single-layer two-way steel bar 4 and an appropriate concrete protective layer is left, and finally the side formwork is poured with concrete 1 .
Claims (3)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511027039.3A CN105625619A (en) | 2015-12-31 | 2015-12-31 | Profiled steel sheet concrete bilateral composite floor embedded with hollow square steel tubes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511027039.3A CN105625619A (en) | 2015-12-31 | 2015-12-31 | Profiled steel sheet concrete bilateral composite floor embedded with hollow square steel tubes |
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| CN105625619A true CN105625619A (en) | 2016-06-01 |
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| CN201511027039.3A Pending CN105625619A (en) | 2015-12-31 | 2015-12-31 | Profiled steel sheet concrete bilateral composite floor embedded with hollow square steel tubes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359612A (en) * | 2019-06-12 | 2019-10-22 | 东南大学 | A kind of novel two-way ribs profiled steel sheet combination floor of assembled |
| WO2024016411A1 (en) * | 2022-07-21 | 2024-01-25 | 中国船舶重工集团国际工程有限公司 | Composite floor system for boxboard prefabricated building, and mounting method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110359612A (en) * | 2019-06-12 | 2019-10-22 | 东南大学 | A kind of novel two-way ribs profiled steel sheet combination floor of assembled |
| WO2024016411A1 (en) * | 2022-07-21 | 2024-01-25 | 中国船舶重工集团国际工程有限公司 | Composite floor system for boxboard prefabricated building, and mounting method therefor |
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