CN108589982A - A kind of assembled composite wall structure and its construction method being welded to connect indirectly based on reinforcing bar - Google Patents
A kind of assembled composite wall structure and its construction method being welded to connect indirectly based on reinforcing bar Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 75
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- 238000003466 welding Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000004567 concrete Substances 0.000 claims description 14
- 239000004570 mortar (masonry) Substances 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 9
- 238000009415 formwork Methods 0.000 claims description 9
- 229920006328 Styrofoam Polymers 0.000 claims description 4
- 239000008261 styrofoam Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement 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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Panels For Use In Building Construction (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
一种基于钢筋间接焊接连接的装配式复合墙结构及其施工方法，包括预制复合墙板预埋件的布置以及连接的施工方法，在预制复合墙板的肋柱底部以及除顶部肋梁与底部肋梁之外的其它肋梁两端设置预埋钢板，在暗梁上方对应预制复合墙板的肋柱也设置预埋钢板。通过带肋钢筋焊接连接水平相邻预制复合墙板之间的预埋钢板，以及预制复合墙板与其下部暗梁之间的预埋钢板，进而实现预制复合墙板与周围构件的有效连接，本发明属于干式连接，工艺简单，预埋件和钢筋可选性好，易于制作，焊接连接安全可靠，带预埋件的墙板可实现规格化、统一化及多样化，具有耗能减震、生态环保、快速建造、经济实用等优点，且拼缝处理操作简单，密实性好。
A prefabricated composite wall structure and its construction method based on the indirect welding connection of steel bars, including the arrangement of the embedded parts of the prefabricated composite wall panel and the construction method of the connection. Embedded steel plates are installed at both ends of rib beams other than rib beams, and embedded steel plates are also installed on rib columns corresponding to prefabricated composite wall panels above hidden beams. The pre-embedded steel plates between the horizontally adjacent prefabricated composite wall panels and the embedded steel plates between the prefabricated composite wall panels and their lower concealed beams are welded and connected by ribbed steel bars, so as to realize the effective connection between the prefabricated composite wall panels and the surrounding components. The invention belongs to the dry connection, the process is simple, the embedded parts and steel bars are optional, easy to manufacture, the welding connection is safe and reliable, the wallboard with the embedded parts can be standardized, unified and diversified, and has energy consumption and shock absorption , Eco-environmental protection, rapid construction, economical and practical, etc., and the patchwork treatment is simple to operate and has good compactness.
Description
技术领域technical field
本发明属于建筑技术领域，涉及装配式复合墙结构的墙体连接，特别涉及一种基于钢筋间接焊接连接的装配式复合墙结构及其施工方法。The invention belongs to the technical field of buildings, and relates to the wall connection of an assembled composite wall structure, in particular to an assembled composite wall structure based on the indirect welding connection of steel bars and a construction method thereof.
背景技术Background technique
目前，我国的建筑产业依然大量地使用传统工艺，传统工艺存在:原材料现场浪费大、施工周期长、建筑能耗大、建筑产生的垃圾污染环境、噪声影响居民生活、粉尘污染空气等缺点。针对以上问题，发展适用、经济、绿色建筑，提高建筑技术水平、安全标准和工程质量，大力推广装配式建筑是一个趋势。装配式建筑具有设计标准化、构件生产工业化、施工机械化等特点，通过装配化施工可大大减少现场湿作业以及劳动力的使用，是我国未来建筑的主要发展方向。At present, my country's construction industry still uses a large number of traditional crafts. Traditional crafts have disadvantages such as large waste of raw materials on site, long construction period, high building energy consumption, environmental pollution caused by construction waste, noise affecting residents' lives, and dust polluting the air. In view of the above problems, it is a trend to develop applicable, economical and green buildings, improve the level of construction technology, safety standards and engineering quality, and vigorously promote prefabricated buildings. Prefabricated buildings have the characteristics of standardization of design, industrialization of component production, and mechanization of construction. Through prefabricated construction, on-site wet work and the use of labor can be greatly reduced. It is the main development direction of my country's future construction.
装配式混凝土结构成败的关键在于预制构件之间，以及预制构件与现浇及后浇混凝土之间的边界连接技术，其中包括连接接头的选用和连接节点的构造设计。预制墙板的连接技术按施工方法可以分为湿式连接和干式连接。湿式连接是在两个预制构件之间通过浇筑混凝土或灌注灌浆料来进行连接；湿式连接是预制构件连接方式中常用且便利的连接方式，具有施工更加便利、连接质量好、结构整体性能更接近于现浇混凝土结构。干式连接则是通过在预制构件内植入钢筋套筒或预埋件，通过套筒灌浆、螺栓或焊接等进行连接的方式；干式连接具有精度更高、缩短施工周期、节点震后受损易修复、便于偏远地区安装等优点，是未来装配式连接技术的发展趋势。综合考虑以上连接的优缺点，现提出一种全焊接形式的装配式预制复合墙板的连接技术，该技术设计合理、施工方便且投入成本较低，并且连接性能也比较好，实现了工业化生产，机械化施工，节约资源、绿色环保，符合目前住宅产业化发展方向。The key to the success of prefabricated concrete structures lies in the boundary connection technology between prefabricated components and between prefabricated components and cast-in-place and post-cast concrete, including the selection of connection joints and the structural design of connection nodes. The connection technology of prefabricated wall panels can be divided into wet connection and dry connection according to the construction method. Wet connection is to connect two prefabricated components by pouring concrete or pouring grout; wet connection is a commonly used and convenient connection method in the connection of prefabricated components, which has the advantages of more convenient construction, good connection quality, and closer structural performance. on cast-in-place concrete structures. Dry connection is a method of implanting steel sleeves or embedded parts in prefabricated components, and connecting through sleeve grouting, bolts or welding; The advantages of easy repair and easy installation in remote areas are the development trend of future assembly connection technology. Considering the advantages and disadvantages of the above connections, a connection technology of fully welded prefabricated composite wall panels is proposed. This technology has reasonable design, convenient construction, low investment cost, and relatively good connection performance, realizing industrial production. , Mechanized construction, resource saving, green and environmental protection, in line with the current development direction of housing industrialization.
发明内容Contents of the invention
为了克服上述现有技术的缺点，本发明的目的在于提供一种基于钢筋间接焊接连接的装配式复合墙结构及其施工方法。In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a prefabricated composite wall structure based on the indirect welding connection of steel bars and its construction method.
为了实现上述目的，本发明采用的技术方案是：In order to achieve the above object, the technical scheme adopted in the present invention is:
一种基于钢筋间接焊接连接的装配式复合墙结构，包括预制复合墙板4，其特征在于，在所述预制复合墙板4的肋柱底部以及除顶部肋梁与底部肋梁之外的其它肋梁两端设置预埋钢板3，在暗梁6上方对应预制复合墙板4的肋柱也设置预埋钢板3，通过带肋钢筋1焊接连接水平相邻预制复合墙板4之间的预埋钢板3，以及预制复合墙板4与其下部暗梁6之间的预埋钢板3。A prefabricated composite wall structure based on the indirect welded connection of steel bars, comprising prefabricated composite wall panels 4, characterized in that at the bottom of the rib columns of the prefabricated composite wall panels 4 and other rib beams except the top rib beam and the bottom rib beam Embedded steel plates 3 are arranged at both ends of the rib beam, and embedded steel plates 3 are also arranged on the rib column corresponding to the prefabricated composite wall panel 4 above the hidden beam 6, and the prefabricated steel plate 3 between the horizontally adjacent prefabricated composite wall panels 4 is connected by welding the ribbed steel bar 1. The embedded steel plate 3, and the pre-embedded steel plate 3 between the prefabricated composite wall panel 4 and its lower hidden beam 6.
所述水平相邻预制复合墙板之间填充EPS泡沫条2。EPS foam strips 2 are filled between the horizontally adjacent prefabricated composite wall panels.
所述预制复合墙板4与其下部暗梁6之间设置砂浆垫层5。A mortar cushion 5 is arranged between the prefabricated composite wallboard 4 and its lower concealed beam 6 .
所述预制复合墙板4由混凝土框格及其内嵌的轻质生态填充块材组成。The prefabricated composite wall panel 4 is composed of a concrete sash and an embedded lightweight ecological filling block.
本发明还提供了所述基于钢筋间接焊接连接的装配式复合墙结构的施工方法，包括如下步骤：The present invention also provides the construction method of the prefabricated composite wall structure based on the indirect welding connection of steel bars, including the following steps:
步骤一：生产预制复合墙板4Step 1: Production of prefabricated composite wall panels 4
首先组装专用钢模板，摆放好预埋钢板3，底层浇筑混凝土，随即摆放生态块材，将加工好的横肋以及纵肋钢筋9放入模板中，待确认无误后，再浇筑混凝土，随后赶平、抹面，预制完成后进行标准养护，待强度达到要求时，拆除模板，即形成预制复合墙板4；First assemble the special steel formwork, place the pre-embedded steel plate 3, pour concrete on the bottom layer, then place the ecological block, put the processed transverse rib and longitudinal rib steel bar 9 into the formwork, and pour the concrete after confirming that it is correct. Then flatten and plaster the surface, and carry out standard maintenance after the prefabrication is completed. When the strength meets the requirements, the formwork is removed to form the prefabricated composite wall panel 4;
步骤二：预制复合墙体的水平缝连接Step 2: Horizontal joint connection of prefabricated composite walls
将带肋钢筋1与暗梁6上的预埋钢板3进行焊接，带肋钢筋1的长度方向与预制复合墙板4的长度方向保持一致，再采用砂浆对与预制复合墙板4对应处的暗梁6表面进行找平以及填缝处理，再将预制复合墙板4吊装至相应部位，最后通过焊接方式将带肋钢筋1与预制复合墙板4底部的预埋钢板3连接；Weld the ribbed steel bar 1 with the pre-embedded steel plate 3 on the hidden beam 6, keep the length direction of the ribbed steel bar 1 consistent with the length direction of the prefabricated composite wallboard 4, and then use mortar to match the The surface of the hidden beam 6 is leveled and caulked, and then the prefabricated composite wall panel 4 is hoisted to the corresponding position, and finally the ribbed steel bar 1 is connected to the embedded steel plate 3 at the bottom of the prefabricated composite wall panel 4 by welding;
步骤三：预制复合墙体4的竖向缝连接Step 3: Vertical joint connection of prefabricated composite wall 4
待两块预制复合墙体4水平缝连接达到要求，采用带肋钢筋1将相邻的预制复合墙体4的预埋钢板3焊接连接在一起，在与肋格平行的竖向缝塞入EPS泡沫条2，再用发泡胶对EPS泡沫条2进行处理，然后用砂浆对竖向缝进行找平，最后用高强灌浆料将中间空隙部位灌浆填实。When the horizontal joints of two prefabricated composite walls 4 meet the requirements, the pre-embedded steel plates 3 of the adjacent prefabricated composite walls 4 are welded together with ribbed steel bars 1, and the EPS is inserted into the vertical joints parallel to the ribs. Foam strip 2, and then process the EPS foam strip 2 with styrofoam, then use mortar to level the vertical joints, and finally use high-strength grouting material to fill the middle gap with grout.
所述步骤一中，预制复合墙板4的肋柱以及暗梁6中设置竖向锚筋10，相应位置的预埋钢板3与竖向锚筋10焊接；预制复合墙板4的肋梁中设置水平锚筋11，相应位置的预埋钢板3与水平锚筋11焊接。In the first step, a vertical anchor bar 10 is set in the rib column of the prefabricated composite wall panel 4 and the concealed beam 6, and the embedded steel plate 3 at the corresponding position is welded with the vertical anchor bar 10; The horizontal anchor bar 11 is set, and the embedded steel plate 3 at the corresponding position is welded with the horizontal anchor bar 11.
与现有技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
1.结构连接采用采用干式焊接连接做法、工艺相对简单，易于操作。1. The structural connection adopts dry welding connection method, the process is relatively simple, and it is easy to operate.
2.预埋钢板和带肋钢筋可选性好、易于制作。2. The pre-embedded steel plate and ribbed steel bar have good options and are easy to manufacture.
3.焊接连接方式安全、可靠。3. The welding connection method is safe and reliable.
4.带有预埋件的墙板可实现关键部品的规格化、统一化及多样化，以满足不同建筑的多样化需求，同时具有耗能减震、生态环保、快速建造、经济实用等优点；4. Wall panels with embedded parts can realize the standardization, unification and diversification of key parts to meet the diverse needs of different buildings. At the same time, they have the advantages of energy consumption and shock absorption, ecological environmental protection, rapid construction, economical and practical, etc. ;
5.采用的拼缝处理方式操作简单，密实性好。5. The patchwork processing method adopted is easy to operate and has good compactness.
附图说明Description of drawings
图1是本发明预制复合墙板的干式连接布置示意图。Fig. 1 is a schematic diagram of the dry connection arrangement of the prefabricated composite wallboard of the present invention.
图2是本发明水平缝构造示意图。Fig. 2 is a schematic diagram of the horizontal seam structure of the present invention.
图3是本发明水平缝构造中的预埋钢板连接示意图。Fig. 3 is a schematic diagram of the connection of embedded steel plates in the horizontal seam structure of the present invention.
图4是本发明竖向缝构造示意图。Fig. 4 is a schematic diagram of the structure of the vertical slit of the present invention.
图5是本发明竖向缝构造中的预埋钢板连接示意图。Fig. 5 is a schematic diagram of the connection of embedded steel plates in the vertical seam structure of the present invention.
图6是本发明焊缝的布置示意图。Fig. 6 is a schematic diagram of the layout of the welding seam of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例详细说明本发明的实施方式。The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.
本发明一种基于钢筋间接焊接连接的装配式复合墙结构，其创新点主要包括预埋钢板的布置、墙板与楼板水平缝的处理以及墙板之间竖向缝的处理。The invention is an assembled compound wall structure based on the indirect welding connection of steel bars. Its innovations mainly include the arrangement of pre-embedded steel plates, the treatment of horizontal joints between wall panels and floor slabs, and the treatment of vertical joints between wall panels.
预埋钢板的布置：Layout of pre-embedded steel plates:
如图1所示，本发明预制复合墙板4是以截面和配筋较小的混凝土框格，内嵌轻质生态填充块材组成，与普通钢筋混凝土现浇相比具有质量轻、延性好、抗震性能优、经济适用等优点。预埋件采用长宽高尺寸为200mm×150mm×10mm的预埋钢板3，在预制复合墙板4预制时，竖向连接部位主要设置在其肋柱底部，水平连接部位主要设置在其肋梁两端，但顶部肋梁与底部肋梁处不设置，各连接部位均设置预埋钢板3，同时，在现场浇筑暗梁6以及叠合楼板现浇层7时，将预埋钢板3设置在暗梁6上，对应预制复合墙板4的肋柱部位处，其中叠合楼板现浇层7浇筑在叠合楼板预制层8上方。As shown in Figure 1, the prefabricated composite wall panel 4 of the present invention is composed of a concrete frame with a small cross-section and reinforcement, embedded with lightweight ecological filling blocks, and has light weight and good ductility compared with ordinary reinforced concrete cast-in-situ , Excellent seismic performance, economical and applicable. The embedded parts adopt the embedded steel plate 3 whose length, width and height are 200mm×150mm×10mm. When the prefabricated composite wall panel 4 is prefabricated, the vertical connection part is mainly set at the bottom of its rib column, and the horizontal connection part is mainly set at the rib beam Both ends, but not at the top rib beam and the bottom rib beam, each connection part is equipped with embedded steel plates 3, and at the same time, when pouring hidden beams 6 and the cast-in-place layer 7 of the laminated floor slab, the embedded steel plates 3 are set on the On the hidden beam 6, corresponding to the rib column position of the prefabricated composite wall panel 4, the cast-in-place layer 7 of the laminated floor slab is poured above the prefabricated layer 8 of the laminated floor slab.
墙板与楼板水平缝的处理：Treatment of horizontal joints between wall panels and floors:
如图2和图3所示，待叠合楼板现浇层7与暗梁6强度达到要求之后，采用长度为150mm，直径Φ18的带肋钢筋1作为连接钢筋，与暗梁6顶部预埋钢板3与预制复合墙板4底部的预埋钢板3进行焊接连接，连接钢筋与连接钢筋之间的焊缝12采用砂浆进行填缝处理，形成砂浆垫层5。As shown in Figure 2 and Figure 3, after the strength of the cast-in-place layer 7 of the laminated floor slab and the hidden beam 6 meets the requirements, the ribbed steel bar 1 with a length of 150 mm and a diameter of Φ18 is used as the connecting steel bar to be embedded with the steel plate on the top of the hidden beam 6 3 and the pre-embedded steel plate 3 at the bottom of the prefabricated composite wallboard 4 are welded and connected, and the weld 12 between the connecting steel bar and the connecting steel bar is filled with mortar to form a mortar cushion 5 .
预制复合墙板4与顶板采用现浇混凝土进行处理。The prefabricated composite wall panel 4 and the roof are treated with cast-in-place concrete.
墙板之间竖向缝的处理：Treatment of vertical joints between wall panels:
如图4和图5所示，采用长度为150mm，直径Φ18的带肋钢筋1作为连接钢筋，与水平相邻预制复合墙板4之间的预埋钢板3进行焊接，其他焊缝12依次采用高强灌浆料、EPS泡沫条2、发泡胶以及砂浆来处理。As shown in Figure 4 and Figure 5, a ribbed steel bar 1 with a length of 150mm and a diameter of Φ18 is used as the connecting steel bar to weld with the pre-embedded steel plate 3 between the horizontally adjacent prefabricated composite wall panels 4, and other welds 12 are used in turn. High-strength grouting material, EPS foam strip 2, styrofoam and mortar to deal with.
本发明还提供了所述基于钢筋间接焊接连接的装配式复合墙结构的施工方法，包括如下步骤：The present invention also provides the construction method of the prefabricated composite wall structure based on the indirect welding connection of steel bars, including the following steps:
步骤一：生产预制复合墙板4Step 1: Production of prefabricated composite wall panels 4
首先组装专用钢模板，摆放好在墙板构件生产前制作好的预埋钢板3，底层浇筑20mm厚C30细石混凝土，随即摆放生态块材，将加工好的横肋以及纵肋钢筋9放入模板中，将带有锚筋的预埋钢板3放在预制复合墙板4周围的肋梁、肋柱处，待确认无误后，再浇筑C30细石混凝土，随后赶平、抹面，预制完成后进行标准养护，待强度达到要求时，拆除模板，即形成预制复合墙板4；First assemble the special steel formwork, place the pre-embedded steel plate 3 made before the production of the wall panel components, pour 20mm thick C30 fine stone concrete on the bottom layer, then place the ecological block, and place the processed transverse rib and longitudinal rib steel bar 9 Put it into the formwork, place the pre-embedded steel plate 3 with anchor bars on the rib beams and rib columns around the prefabricated composite wall panel 4, and after confirming that it is correct, pour C30 fine stone concrete, and then level and plaster the surface, and prefabricate Carry out standard maintenance after completion, and when the strength meets the requirements, the formwork is removed to form a prefabricated composite wall panel 4;
步骤二：预制复合墙体的竖向连接Step 2: Vertical connection of prefabricated composite walls
将带肋钢筋1与暗梁6上的预埋钢板3进行焊接，带肋钢筋1的长度方向与预制复合墙板4的长度方向保持一致，再采用砂浆对与预制复合墙板4对应处的暗梁6表面进行找平以及填缝处理，再将预制复合墙板4吊装至相应部位，最后通过焊接将带肋钢筋1与预制复合墙板4底部的预埋钢板3连接；Weld the ribbed steel bar 1 with the pre-embedded steel plate 3 on the hidden beam 6, keep the length direction of the ribbed steel bar 1 consistent with the length direction of the prefabricated composite wallboard 4, and then use mortar to match the The surface of the hidden beam 6 is leveled and caulked, and then the prefabricated composite wall panel 4 is hoisted to the corresponding position, and finally the ribbed steel bar 1 is connected to the embedded steel plate 3 at the bottom of the prefabricated composite wall panel 4 by welding;
步骤三：预制复合墙体4的水平连接Step 3: Horizontal connection of prefabricated composite wall 4
待两块预制复合墙体4竖向连接达到要求，采用带肋钢筋1将两块两块预制复合墙体4的预埋钢板3连接在一起，在与肋格平行的竖向缝塞入Φ25的EPS泡沫条2，再用发泡胶对EPS泡沫条2进行处理，然后用砂浆对竖向缝进行找平，最后用高强灌浆将中间空隙部位灌浆填实。When the vertical connection of the two prefabricated composite walls 4 meets the requirements, the pre-embedded steel plates 3 of the two prefabricated composite walls 4 are connected together with ribbed steel bars 1, and Φ25 EPS foam strip 2, and then treat the EPS foam strip 2 with styrofoam, then use mortar to level the vertical joints, and finally use high-strength grouting to fill the gap in the middle.
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