CN205171747U - Prefabricated assembled shear force wall perps connection structure - Google Patents
Prefabricated assembled shear force wall perps connection structure Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 98
- 239000010959 steel Substances 0.000 claims abstract description 98
- 239000004567 concrete Substances 0.000 claims abstract description 49
- 238000005452 bending Methods 0.000 claims description 3
- 239000004574 high-performance concrete Substances 0.000 claims description 3
- 239000011372 high-strength concrete Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 25
- 238000009415 formwork Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002301 combined effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011178 precast concrete Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
本实用新型提供一种预制装配式剪力墙竖缝连接结构，包括：左侧剪力墙、左侧预埋型钢、右侧剪力墙、右侧预埋型钢以及多个对拉螺栓；左侧预埋型钢、右侧预埋型钢置于左侧剪力墙和右侧剪力墙之间，所述左侧预埋型钢和右侧预埋型钢结构相同；所述左侧预埋型钢包括：侧板、前侧板以及后侧板；前侧板和后侧板设置于侧板的前后位置；前侧板和后侧板均向内设置有一凹槽，凹槽上有复数个螺栓孔，对拉螺栓设置于所述螺栓孔上将左侧预埋型钢和右侧预埋型钢进行锁合固定。本实用新型的连接结构承载力高、刚度大、抗震延性好、整体性优越、施工方便且施工质量好、对混凝土提供有效约束。
The utility model provides a prefabricated assembly type shear wall vertical joint connection structure, comprising: left shear wall, left pre-embedded steel, right shear wall, right pre-embedded steel and a plurality of tension bolts; The side embedded steel and the right embedded steel are placed between the left shear wall and the right shear wall, and the structure of the left embedded steel and the right embedded steel is the same; the left embedded steel includes : side plate, front side plate and rear side plate; the front side plate and the rear side plate are set at the front and rear positions of the side plate; both the front side plate and the rear side plate are provided with a groove inward, and there are a plurality of bolt holes on the groove , the pull bolts are arranged on the bolt holes to lock and fix the embedded steel on the left and the embedded steel on the right. The connection structure of the utility model has high bearing capacity, high rigidity, good seismic ductility, superior integrity, convenient construction and good construction quality, and provides effective constraints on concrete.
Description
技术领域technical field
本实用新型涉及土木工程中预制装配式混凝土结构技术领域，尤其涉及一种预制装配式剪力墙竖缝连接结构。The utility model relates to the technical field of prefabricated assembled concrete structures in civil engineering, in particular to a prefabricated assembled shear wall vertical joint connection structure.
背景技术Background technique
传统现浇施工方式工业化程度低，施工条件差，费时费力，质量通病难以根除、安全事故也时有发生，不利于节能环保。采用预制装配式结构能够节能、节水、节材，大幅度减少建筑垃圾、降低噪声污染，减少劳动力用量和强度，有效改善施工环境，提高工程质量。预制装配式混凝土结构的应用能够实现节能减排的目标，提高人民的生活质量和生态文明水平，促进城乡建设模式和建筑业发展方式的转变，对经济和社会发展产生明显的效益。The traditional cast-in-place construction method has a low degree of industrialization, poor construction conditions, time-consuming and laborious, common quality problems are difficult to eradicate, and safety accidents occur from time to time, which is not conducive to energy conservation and environmental protection. The use of prefabricated structures can save energy, water, and materials, greatly reduce construction waste, reduce noise pollution, reduce labor consumption and intensity, effectively improve the construction environment, and improve project quality. The application of prefabricated concrete structures can achieve the goal of energy saving and emission reduction, improve the quality of life of the people and the level of ecological civilization, promote the transformation of the urban and rural construction mode and the development mode of the construction industry, and produce obvious benefits for economic and social development.
预制装配式混凝土结构中，接缝连接技术是该类结构的关键技术，是保证结构整体性和抗震性能的关键。传统预制装配式剪力墙结构中竖缝连接主要是通过预制剪力墙预留钢筋，在竖缝位置与纵向受力钢筋连接，然后立模板并后浇混凝土形成，这种竖缝连接技术存在如下问题：钢筋连接困难，需要立模板再浇筑混凝土，工序复杂，施工难度大，工期较长，质量难以保证，从而影响连接整体性和受力性能。In prefabricated concrete structures, joint connection technology is the key technology of this type of structure and the key to ensuring structural integrity and seismic performance. In the traditional prefabricated shear wall structure, the vertical joint connection is mainly through the reserved steel bar of the prefabricated shear wall, which is connected with the longitudinally stressed steel bar at the vertical joint position, and then the formwork is erected and the concrete is poured afterwards. This vertical joint connection technology exists The following problems are: difficult to connect steel bars, need to erect formwork and then pour concrete, the process is complex, the construction is difficult, the construction period is long, and the quality is difficult to guarantee, thus affecting the integrity of the connection and the mechanical performance.
现有技术中公开了“一种装配整体式混凝土框架-剪力墙连接结构”，见公开号为“103243838A”公开日为：“2013-08-14”的中国专利，该一种装配整体式混凝土框架-剪力墙连接结构，它包括预制混凝土柱、预制H形混凝土叠合梁、预制混凝土剪力墙墙体、∏形水平连接件、槽钢、螺栓、螺栓套筒和后浇混凝土，槽钢固定设置在预制混凝土剪力墙墙体上下两侧，预制混凝土柱与预制混凝土剪力墙以及墙体之间通过∏形水平连接件、螺栓固定连接，预制H形混凝土叠合梁上开有多个孔洞，结构安装完成后，通过后浇混凝土将各连接部位固结，从而使柱-墙-梁形成一整体结构。该剪力墙连接结构，墙体易于吊装，可实现上下墙体的精准对接，快速安装。也就是说：其剪力墙体之间竖缝连接是沿着高度间断设置连接件，采用螺栓固定连接，然后安装模板后浇筑混凝土。但是这种连接在接缝处仅依靠连接件，钢材在竖直方向未能连续，混凝土未受到约束，荷载作用下容易开裂和掉落，整体受力性能不足，且仍然需要安装模板后才能进行浇筑混凝土。In the prior art, "an assembled integral concrete frame-shear wall connection structure" is disclosed. See the Chinese patent with the publication number "103243838A" and the publication date: "2013-08-14". Concrete frame-shear wall connection structure, which includes prefabricated concrete columns, prefabricated H-shaped concrete composite beams, prefabricated concrete shear wall walls, Π-shaped horizontal connectors, channel steel, bolts, bolt sleeves and post-cast concrete, The channel steel is fixed on the upper and lower sides of the precast concrete shear wall, and the precast concrete column and the precast concrete shear wall and the wall are fixedly connected by ∏-shaped horizontal connectors and bolts, and the precast H-shaped concrete composite beam is opened There are many holes. After the structure is installed, the connection parts are consolidated by post-cast concrete, so that the column-wall-beam forms an integral structure. The shear wall connection structure, the wall is easy to hoist, can realize the precise docking of the upper and lower walls, and quick installation. That is to say: the vertical joints between the shear walls are intermittently provided with connectors along the height, and the bolts are used to fix the connection, and then the formwork is installed and the concrete is poured. However, this kind of connection only relies on the connectors at the joints, the steel is not continuous in the vertical direction, the concrete is not restrained, it is easy to crack and fall under the load, the overall mechanical performance is insufficient, and it is still necessary to install the formwork before proceeding Pouring concrete.
发明内容Contents of the invention
本实用新型要解决的技术问题，在于提供一种预制装配式剪力墙竖缝连接结构，该连接结构承载力高、刚度大、抗震延性好、整体性优越、施工方便且施工质量好、对混凝土提供有效约束。The technical problem to be solved by the utility model is to provide a prefabricated assembly type shear wall vertical joint connection structure, which has high bearing capacity, high rigidity, good seismic ductility, superior integrity, convenient construction and good construction quality. Concrete provides effective restraint.
本实用新型问题是这样实现的：一种预制装配式剪力墙竖缝连接结构，包括：左侧剪力墙、左侧预埋型钢、右侧剪力墙、右侧预埋型钢以及多个对拉螺栓；所述左侧预埋型钢预埋于所述左侧剪力墙；所述右侧预埋型钢预埋于所述右侧剪力墙；所述左侧预埋型钢、右侧预埋型钢置于左侧剪力墙和右侧剪力墙之间，所述左侧预埋型钢和右侧预埋型钢结构相同；所述左侧预埋型钢包括：与左侧剪力墙直接相连的侧板、前侧板以及后侧板；所述前侧板和后侧板设置于侧板的前后位置；所述前侧板和后侧板均向内设置有一凹槽，所述凹槽上分布有复数个螺栓孔，所述对拉螺栓设置于所述螺栓孔上将左侧预埋型钢和右侧预埋型钢进行锁合固定。The problem of the utility model is achieved in this way: a prefabricated assembly type shear wall vertical joint connection structure, including: left shear wall, left pre-embedded steel, right shear wall, right pre-embedded steel and multiple Pull bolts; the left pre-embedded steel is pre-embedded in the left shear wall; the right pre-embedded steel is pre-embedded in the right shear wall; the left pre-embedded steel, right The embedded section steel is placed between the left shear wall and the right shear wall, and the structure of the left embedded section steel and the right embedded section steel is the same; the left embedded section steel includes: the same structure as the left shear wall directly connected side panels, front side panels and rear side panels; the front side panels and rear side panels are arranged at the front and rear positions of the side panels; the front side panels and the rear side panels are provided with a groove inwardly, and the A plurality of bolt holes are distributed on the groove, and the pull bolts are arranged on the bolt holes to lock and fix the left pre-embedded steel and the right pre-embedded steel.
进一步的，所述连接结构还包括：后浇混凝土，所述后浇混凝土填充在左侧预埋型钢和右侧预埋型钢包围的区域内。Further, the connecting structure further includes: post-cast concrete, and the post-cast concrete is filled in the area surrounded by the left pre-embedded steel and the right pre-embedded steel.
进一步的，所述后浇混凝土为普通混凝土、高强混凝土、高性能混凝土、再生骨料混凝土或轻骨料混凝土。Further, the post-cast concrete is ordinary concrete, high-strength concrete, high-performance concrete, recycled aggregate concrete or lightweight aggregate concrete.
进一步的，所述前侧板和后侧板均向内设置有一凹槽，前侧板和后侧板的凹槽分别为一小、一大凹槽。Further, the front side plate and the rear side plate are provided with a groove inward, and the grooves of the front side plate and the rear side plate are respectively a small groove and a large groove.
进一步的，所述多个对拉螺栓进行单列或多列设置，水平向对称或交错设置。Further, the plurality of tension bolts are arranged in a single row or in multiple rows, and are horizontally symmetrical or staggered.
进一步的，所述左侧预埋型钢和右侧预埋型钢均采用钢板冷弯、焊接或轧制成型，左侧预埋型钢和右侧预埋型钢截面沿着高度为等截面。Further, the left embedded section steel and the right embedded section steel are formed by cold bending, welding or rolling of steel plates, and the sections of the left embedded section steel and the right embedded section steel are equal along the height.
本实用新型具有如下优点：本实用新型的预制装配式剪力墙竖缝连接，左侧预埋型钢和右侧预埋型钢在竖向方向连续，整体性和受力性能优越。内部整个竖向的后浇混凝土受到外部钢材的良好约束，能够充分发挥钢材和混凝土的组合作用，从而具有承载力高、塑性韧性好、抗震性能好的特点。钢板凹槽有利于预制剪力墙之间的定位和连接，有效避免了矩形截面平板区域约束效果差的特点，还避免了对拉螺栓突出剪力墙平面，并延缓了钢板局部屈曲，提高了平面外刚度，加强了左侧剪力墙、右侧剪力墙之间水平方向的咬合，相互作用加强，整体性更好。对拉螺栓提高了连接速度，施工周期短，施工质量有保障，还提高了对后浇混凝土的约束效果，也能够延缓钢板局部屈曲，对拉螺栓的设置也加强了钢板和混凝土粘结滑移。连接施工中无需绑扎钢筋，外部钢板能够作为后浇混凝土的模板，无需另外安装模板，因而工序简单，施工方便。该连接形式可用在预制装配式剪力墙结构和预制装配式框架-剪力墙结构体系中。The utility model has the following advantages: the prefabricated assembled shear wall of the utility model is connected by vertical joints, the left pre-embedded section steel and the right pre-embedded section steel are continuous in the vertical direction, and the integrity and mechanical performance are superior. The entire vertical post-cast concrete inside is well constrained by the external steel, which can give full play to the combined effect of steel and concrete, so it has the characteristics of high bearing capacity, good plasticity and toughness, and good seismic performance. The steel plate groove is beneficial to the positioning and connection between the prefabricated shear walls, effectively avoiding the poor restraint effect of the rectangular section flat plate area, and avoiding the protruding shear wall plane of the pull bolts, and delaying the local buckling of the steel plate, improving the The out-of-plane stiffness strengthens the horizontal occlusion between the left shear wall and the right shear wall, strengthens the interaction, and improves the integrity. The tension bolts increase the connection speed, the construction period is short, and the construction quality is guaranteed. It also improves the restraint effect on the post-cast concrete, and can also delay the local buckling of the steel plate. The setting of the tension bolts also strengthens the bond-slip between the steel plate and the concrete. . There is no need to bind steel bars in the connection construction, and the external steel plate can be used as a formwork for post-cast concrete without additional formwork installation, so the process is simple and the construction is convenient. This connection form can be used in prefabricated assembly shear wall structure and prefabricated assembly frame-shear wall structure system.
附图说明Description of drawings
图1为本实用新型预制装配式剪力墙竖缝连接结构的立体图。Figure 1 is a perspective view of the vertical joint connection structure of the prefabricated shear wall of the present invention.
图2左侧预埋钢板的立体图。Figure 2 is a perspective view of the embedded steel plate on the left.
图3为预制装配式剪力墙竖缝连接结构施工示意图一。Figure 3 is a schematic diagram of the construction of the vertical joint connection structure of the prefabricated shear wall.
图4为预制装配式剪力墙竖缝连接结构施工示意图二。Figure 4 is the construction schematic diagram II of the vertical joint connection structure of the prefabricated shear wall.
图5为预制装配式剪力墙竖缝连接结构施工示意图三。Figure 5 is the construction schematic diagram III of the vertical joint connection structure of the prefabricated shear wall.
图6为预制装配式剪力墙竖缝连接结构施工示意图四。Figure 6 is the fourth construction schematic diagram of the vertical joint connection structure of the prefabricated shear wall.
图7为预制装配式剪力墙竖缝连接结构施工示意图五。Figure 7 is a schematic diagram of the construction of the vertical joint connection structure of the prefabricated shear wall V.
图中标号说明：Explanation of symbols in the figure:
1—左侧剪力墙；2—左侧预埋型钢；3—右侧剪力墙；4—右侧预埋型钢；5—对拉螺栓；6—后浇混凝土。1—left shear wall; 2—left embedded steel; 3—right shear wall; 4—right embedded steel; 5—pull bolt; 6—post-cast concrete.
21—侧板；22—前侧板；23—后侧板；24—凹槽；25—螺栓孔。21—side plate; 22—front side plate; 23—rear side plate; 24—groove; 25—bolt hole.
具体实施方式detailed description
请参阅图1至图7所示，1、一种预制装配式剪力墙竖缝连接结构，包括：左侧剪力墙1、左侧预埋型钢2、右侧剪力墙3、右侧预埋型钢4以及多个对拉螺栓5；所述左侧预埋型钢2预埋于所述左侧剪力墙1；所述右侧预埋型钢4预埋于所述右侧剪力墙3；所述左侧预埋型钢2、右侧预埋型钢4置于左侧剪力墙1和右侧剪力墙3之间，所述左侧预埋型钢2和右侧预埋型钢4结构相同；竖缝连接处的外部左侧预埋钢板2和右侧预埋钢板4沿着高度叠加连续设置；所述左侧预埋型钢2包括：与左侧剪力墙直接相连的侧板21、前侧板22以及后侧板23；所述前侧板22和后侧板23设置于侧板21的前后位置；连接后前侧板22为竖缝最外部侧板，后侧板23作为竖缝内部侧板与后浇混凝土6直接接触；所述前侧板22和后侧板23均向内设置有一凹槽24，所述凹槽24上分布有复数个螺栓孔25，所述对拉螺栓5设置于所述螺栓孔25上将左侧预埋型钢2和右侧预埋型钢4进行锁合固定。Please refer to Figures 1 to 7, 1. A prefabricated shear wall vertical joint connection structure, including: left shear wall 1, left embedded steel 2, right shear wall 3, right Pre-embedded section steel 4 and multiple pull bolts 5; the left pre-embedded section steel 2 is pre-embedded in the left shear wall 1; the right pre-embedded section steel 4 is pre-embedded in the right shear wall 3. The left embedded section steel 2 and the right embedded section steel 4 are placed between the left shear wall 1 and the right shear wall 3, and the left embedded section steel 2 and the right embedded section steel 4 The structure is the same; the external left embedded steel plate 2 and the right embedded steel plate 4 are superimposed and arranged continuously along the height at the joint of the vertical joint; the left embedded steel plate 2 includes: a side plate directly connected with the left shear wall 21. The front side panel 22 and the rear side panel 23; the front side panel 22 and the rear side panel 23 are arranged at the front and rear positions of the side panel 21; the rear front side panel 22 is connected to the outermost side panel of the vertical seam, and the rear side panel 23 As a vertical joint, the inner side plate is in direct contact with the post-cast concrete 6; the front side plate 22 and the rear side plate 23 are all provided with a groove 24 inwardly, and a plurality of bolt holes 25 are distributed on the groove 24. The pull bolts 5 are arranged on the bolt holes 25 to lock and fix the left pre-embedded steel 2 and the right pre-embedded steel 4 .
所述连接结构还包括：后浇混凝土6，所述后浇混凝土填充在左侧预埋型钢2和右侧预埋型钢4包围的区域内。这样内部整个竖向的后浇混凝土受到外部钢材的良好约束，能够充分发挥钢材和混凝土的组合作用，从而具有承载力高、塑性韧性好、抗震性能好的特点。The connection structure further includes: post-cast concrete 6, which is filled in the area surrounded by the left pre-embedded steel 2 and the right pre-embedded steel 4. In this way, the entire internal vertical post-cast concrete is well constrained by the external steel, which can give full play to the combined effect of steel and concrete, so that it has the characteristics of high bearing capacity, good plastic toughness, and good seismic performance.
其中，所述后浇混凝土6为普通混凝土、高强混凝土、高性能混凝土、再生骨料混凝土或轻骨料混凝土。Wherein, the post-cast concrete 6 is ordinary concrete, high-strength concrete, high-performance concrete, recycled aggregate concrete or lightweight aggregate concrete.
所述前侧板22和后侧板23均向内设置有一凹槽24，前侧板和后侧板的凹槽分别为一小、一大凹槽。这样左侧预埋型钢2的前侧板和后侧板，右侧预埋型钢4的前侧板和后侧板能进行很好的衔接。Both the front side plate 22 and the rear side plate 23 are provided with a groove 24 inwardly, and the grooves of the front side plate and the rear side plate are respectively a small groove and a large groove. In this way, the front side plate and the rear side plate of the embedded profiled steel 2 on the left side and the front side plate and the rear side plate of the embedded profiled steel 4 on the right side can be well connected.
所述多个对拉螺栓5进行单列或多列设置，水平向对称或交错设置。所述左侧预埋型钢2和右侧预埋型钢4均采用钢板冷弯、焊接或轧制成型，左侧预埋型钢2和右侧预埋型钢4截面沿着高度为等截面。The plurality of pull bolts 5 are arranged in a single row or in multiple rows, and are horizontally symmetrical or staggered. Both the left pre-embedded steel 2 and the right pre-embedded steel 4 are formed by cold-bending, welding or rolling of steel plates, and the sections of the left pre-embedded steel 2 and the right pre-embedded steel 4 are equal along the height.
总之，本实用新型的预制装配式剪力墙竖缝连接，外部左侧预埋型钢2和右侧预埋型钢4在竖向方向连续，整体性和受力性能优越。内部整个竖向的后浇混凝土6受到外部钢材的良好约束，能够充分发挥钢材和混凝土的组合作用，从而具有承载力高、塑性韧性好、抗震性能好的特点。钢板凹槽24有利于预制剪力墙之间的定位和连接，有效避免了矩形截面平板区域约束效果差的特点，还避免了对拉螺栓5突出剪力墙平面，并延缓了钢板局部屈曲，提高了平面外刚度，加强了左侧剪力墙1和右侧剪力墙3之间水平方向的咬合，相互作用加强，整体性更好。对拉螺栓5提高了连接速度，施工周期短，施工质量有保障，还提高了对后浇混凝土6的约束效果，也能够延缓钢板局部屈曲，对拉螺栓5的设置也加强了钢板和混凝土粘结滑移。连接施工中无需绑扎钢筋，外部钢板能够作为后浇混凝土的模板，无需另外安装模板，因而工序简单，施工方便。该连接形式可用在预制装配式剪力墙结构和预制装配式框架-剪力墙结构体系中。In short, the vertical joint connection of the prefabricated shear wall of the present invention, the external left pre-embedded steel 2 and the right pre-embedded steel 4 are continuous in the vertical direction, and the integrity and mechanical performance are superior. The entire vertical post-cast concrete 6 inside is well constrained by the external steel, and can give full play to the combined effect of steel and concrete, so it has the characteristics of high bearing capacity, good plasticity and toughness, and good seismic performance. The steel plate groove 24 is beneficial to the positioning and connection between the prefabricated shear walls, effectively avoiding the poor restraint effect of the rectangular section flat plate area, and avoiding the protruding of the shear wall plane by the pull bolt 5, and delaying the local buckling of the steel plate. The out-of-plane stiffness is improved, the horizontal occlusion between the left shear wall 1 and the right shear wall 3 is strengthened, the interaction is strengthened, and the integrity is better. The tie bolt 5 improves the connection speed, the construction period is short, and the construction quality is guaranteed. It also improves the restraint effect on the post-cast concrete 6 and can also delay the local buckling of the steel plate. The setting of the tie bolt 5 also strengthens the adhesion between the steel plate and the concrete. knot slip. There is no need to bind steel bars in the connection construction, and the external steel plate can be used as a formwork for post-cast concrete without additional formwork installation, so the process is simple and the construction is convenient. This connection form can be used in prefabricated assembly shear wall structure and prefabricated assembly frame-shear wall structure system.
以上所述仅为本实用新型的较佳实施例，凡依本实用新型申请专利范围所做的均等变化与修饰，皆应属本实用新型的涵盖范围。The above descriptions are only preferred embodiments of the present utility model, and all equal changes and modifications made according to the patent scope of the present utility model shall fall within the scope of the present utility model.
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