CN207032577U - A kind of fabricated shear wall energy-dissipating and shock-absorbing horizontal connection device - Google Patents
A kind of fabricated shear wall energy-dissipating and shock-absorbing horizontal connection device Download PDFInfo
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- 239000000945 filler Substances 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 239000010425 asbestos Substances 0.000 claims 1
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- 229920001596 poly (chlorostyrenes) Polymers 0.000 claims 1
- 229910052895 riebeckite Inorganic materials 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 9
- 230000035939 shock Effects 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 3
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- 238000005260 corrosion Methods 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003796 beauty Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 7
- 238000013016 damping Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
本实用新型属于土木工程领域，涉及到一种装配式剪力墙消能减震水平连接装置。本实用新型的预埋件和连接件的均安装在墙体内部，避免了锈蚀、腐蚀、老化等性能改变发生，确保结构整体的耐久性等，避免耗能连接装置发生平面外翘曲，具有更好的耗能能力。耗能连接件放置在墙体内部，与墙体截面横轴线重合，保证墙体受力平衡、平面内的刚度和承载能力，不会产生偏心弯矩。这样的连接方式可以大幅度提高了预制剪力墙现场装配化施工的效率，实现了小震作用下提供剪力墙连接足够的初始刚度，大震作用下可以耗散地震能量、增强结构和构件延性的减震思想，同时不影响建筑美观的整体效果以及空间利用，节约钢材，具有一定的经济效益。
The utility model belongs to the field of civil engineering and relates to an assembled shear wall energy-dissipating and shock-absorbing horizontal connection device. The embedded parts and connectors of the utility model are all installed inside the wall, which avoids performance changes such as rust, corrosion, and aging, ensures the durability of the overall structure, and avoids out-of-plane warping of the energy-consuming connecting device. Better energy consumption. The energy-dissipating connector is placed inside the wall and coincides with the transverse axis of the wall section to ensure the balance of the force on the wall, the stiffness and bearing capacity in the plane, and no eccentric bending moment. This connection method can greatly improve the efficiency of on-site assembly construction of prefabricated shear walls, realize the provision of sufficient initial stiffness of the shear wall connection under small earthquakes, and dissipate seismic energy and strengthen structures and components under large earthquakes The idea of ductile shock absorption does not affect the overall effect of architectural beauty and space utilization, saves steel, and has certain economic benefits.
Description
技术领域technical field
本实用新型属于土木工程领域，涉及到一种装配式剪力墙消能减震水平连接装置及其施工方法。The utility model belongs to the field of civil engineering and relates to an assembled shear wall energy-dissipating and shock-absorbing horizontal connection device and a construction method thereof.
背景技术Background technique
预制装配式剪力墙结构中，接缝连接技术是此类结构的关键技术，是保证结构整体稳定性和抗震性能的关键。传统的预制装配式剪力墙结构中，水平连接的主要处理方式是通过预制剪力墙预留水平分布钢筋，在现场安装定位之后，与纵向受力钢筋连接，然后立模板并后浇混凝土形成，这种水平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 the prefabricated shear wall structure, the joint connection technology is the key technology of this type of structure and the key to ensure the overall stability and seismic performance of the structure. In the traditional prefabricated shear wall structure, the main method of horizontal connection is to reserve horizontally distributed steel bars through the prefabricated shear wall. After installation and positioning on site, it is connected with the longitudinally stressed steel bars, and then the formwork is erected and concrete is poured to form , This horizontal connection technology has the following problems: the connection of steel bars is difficult, and concrete needs to be poured with vertical formwork.
目前，预制装配式剪力墙水平连接处理可借鉴的方法，如利用界面抗剪连接件或者预留后浇带混凝土的连接形式连接预制装配式剪力墙，分别通过在预制装配式剪力墙两侧预埋一一对应的与预制剪力墙内部抗剪钢筋焊接的界面抗剪连接件和通过两侧预留钢筋采用竖向预留后浇带连接，并在每个组成预制混凝土剪力墙的两侧预制成马牙槎接缝，在现场装配化施工时，通过焊接截面抗剪连接件和灌注马牙槎缝隙，将两侧的装配式剪力墙连接成一体。At present, there are methods that can be used for reference in the horizontal connection of prefabricated assembly shear walls, such as using interface shear connectors or the connection form of reserved post-cast concrete to connect prefabricated assembly shear walls, respectively through prefabricated assembly shear walls The interface shear connectors welded to the internal shear reinforcement of the prefabricated shear wall are pre-buried one-to-one on both sides, and are connected by the vertical reserved post-casting belt through the reserved reinforcement on both sides. The two sides of the wall are prefabricated with horse-toothed joints. During on-site assembly construction, the prefabricated shear walls on both sides are connected into one by welding the section shear connectors and pouring the horse-toothed joints.
这样的连接方法应用于解决预制装配式剪力墙时，界面抗剪连接件焊接在墙体表面，前后不能一一对应，墙体受力不平衡，会产生偏心弯矩，影响构件平面内性能；由于预埋件和连接件的外露，会产生锈蚀、腐蚀、老化等性能改变，影响结构的耐久性等。When this connection method is applied to prefabricated shear walls, the interface shear connectors are welded on the surface of the wall, and the front and rear cannot be one-to-one. The unbalanced force on the wall will generate eccentric bending moments, which will affect the in-plane performance of the components. ;Due to the exposure of embedded parts and connecting parts, performance changes such as rust, corrosion, and aging will occur, which will affect the durability of the structure.
实用新型内容Utility model content
本实用新型的目的是提供一种装配式剪力墙消能减震水平连接装置及其施工方法。The purpose of the utility model is to provide an assembled shear wall energy-dissipating and shock-absorbing horizontal connection device and a construction method thereof.
本实用新型的技术方案：Technical scheme of the utility model:
一种装配式剪力墙消能减震水平连接装置，包括左侧剪力墙5、右侧剪力墙 6和预埋连接装置8；A prefabricated shear wall energy dissipation and shock absorption horizontal connection device, including a left shear wall 5, a right shear wall 6 and a pre-embedded connection device 8;
所述的预埋连接装置8包括左槽腔1、右槽腔2、耗能减震部件3和对拉螺栓4；左槽腔1由左前板、左后板、左上板和左下板组成的空腔结构，左前板、左后板、左上板和左下板均焊接有抗拔螺栓7；右槽腔2由右前板、右后板、右上板和右下板组成的空腔结构，右前板、右后板、右上板和右下板均焊接有抗拔螺栓7；耗能减震部件3置于左槽腔1和右槽腔2的空腔结构中，通过对拉螺栓4固定；The embedded connection device 8 includes a left groove 1, a right groove 2, an energy-dissipating shock-absorbing component 3 and a pull bolt 4; the left groove 1 is composed of a left front plate, a left rear plate, a left upper plate and a left lower plate Cavity structure, the left front plate, left rear plate, left upper plate and left lower plate are all welded with pullout bolts 7; 1. The right rear plate, right upper plate and right lower plate are all welded with anti-pull bolts 7; the energy-dissipating shock-absorbing components 3 are placed in the cavity structure of the left cavity 1 and the right cavity 2, and are fixed by the tension bolts 4;
左侧剪力墙5中的钢筋与左前板、左后板、左上板和左下板焊接；右侧剪力墙6中的钢筋与右前板、右后板、右上板和右下板焊接；耗能减震部件3左侧单排对拉螺栓4与左槽腔1连接固定，耗能减震部件3右侧通过双排对拉螺栓4与右槽腔2连接固定；The steel bars in the left shear wall 5 are welded with the left front plate, left rear plate, left upper plate and left lower plate; the steel bars in the right shear wall 6 are welded with the right front plate, right rear plate, right upper plate and right lower plate; The left side of the energy-dissipating shock-absorbing part 3 is connected and fixed with the left groove 1 by a single row of pull bolts 4, and the right side of the energy-dissipating shock-absorbing part 3 is connected and fixed with the right groove 2 through a double row of pull bolts 4;
左侧剪力墙5和右侧剪力墙6间为缝带填充区，其为采用预埋连接装置8 连接产生的区域；缝带填充区的填充物为石棉水泥、砂浆混凝土、内聚氯橡胶或粘合材料；The gap between the left shear wall 5 and the right shear wall 6 is the seam filling area, which is the area generated by the connection with the pre-embedded connection device 8; Rubber or adhesive materials;
右槽腔2的右前板和右后板与右侧剪力墙6表面形成的凹槽区域，为后浇筑混凝土填充区；后浇筑混凝土填充区的填充物为普通混凝土、高强度混凝土、高性能混凝土、砂浆混凝土、再生骨料混凝土或轻骨料混凝土；The groove area formed by the right front plate and right rear plate of the right cavity 2 and the surface of the right shear wall 6 is the post-cast concrete filling area; the filler in the post-cast concrete filling area is ordinary concrete, high-strength concrete, high-performance Concrete, mortar concrete, recycled aggregate concrete or lightweight aggregate concrete;
所述的耗能减震部件3采用摩擦阻尼器或者软钢阻尼器。The energy-dissipating shock-absorbing component 3 adopts a friction damper or a mild steel damper.
一种装配式剪力墙消能减震水平连接装置的施工方法，步骤如下：A construction method of a prefabricated shear wall energy dissipation shock absorption horizontal connection device, the steps are as follows:
步骤1：将左槽腔1连接在左侧剪力墙5内置的钢筋上，将耗能减震部件3 通过对拉螺栓4固定在左槽腔1内，直接浇筑预制混凝土构件；Step 1: Connect the left cavity 1 to the built-in reinforcement of the left shear wall 5, fix the energy-dissipating shock-absorbing component 3 in the left cavity 1 through the pull bolt 4, and directly pour the precast concrete components;
步骤2：定位并固定左侧剪力墙5；吊起右侧剪力墙6，使耗能减震部件3 右侧对准右槽腔2的空腔，通过对拉螺栓4固定；Step 2: Locate and fix the left shear wall 5; hoist the right shear wall 6 so that the right side of the energy-dissipating shock-absorbing component 3 is aligned with the cavity of the right groove cavity 2, and fixed by the pull bolt 4;
步骤3：左侧剪力墙5和右侧剪力墙6之间，对于采用预埋连接装置8连接产生的缝带填充区进行填充；Step 3: Between the left shear wall 5 and the right shear wall 6, fill the gap filling area generated by the connection with the embedded connection device 8;
步骤4：在右槽板2的右前板和右后板与右侧剪力墙6表面形成的凹槽区域浇筑填充物；Step 4: Pouring filler in the groove area formed by the right front plate and right rear plate of the right slot plate 2 and the surface of the right shear wall 6;
所述的耗能减震部件3的安装于墙面H/4，H/2、3H/4处，其中，H为墙体高度；The energy-dissipating and shock-absorbing components 3 are installed on the wall at H/4, H/2, and 3H/4, where H is the height of the wall;
所述的耗能减震部件3按照阻尼力进行安装，计算公式为：The energy-dissipating shock-absorbing component 3 is installed according to the damping force, and the calculation formula is:
D＝0.0675fcBt＝ndi D=0.0675f c Bt=nd i
其中：D为阻尼合力大小(N)，B为单侧墙体宽度(m)，t为单侧墙体厚度(m)， di为单个阻尼器阻尼力大小(N)，n为阻尼器个数，fc为混凝土强度设计值。Among them: D is the resultant damping force (N), B is the width of the wall on one side (m), t is the thickness of the wall on one side (m), d i is the damping force of a single damper (N), and n is the damper number, f c is the design value of concrete strength.
本实用新型的有益效果：The beneficial effects of the utility model:
本实用新型的预埋件和连接件的均安装在墙体内部，避免了锈蚀、腐蚀、老化等性能改变发生，确保结构整体的耐久性等，避免耗能连接装置发生平面外翘曲，具有更好的耗能能力。The embedded parts and connectors of the utility model are all installed inside the wall, which avoids performance changes such as rust, corrosion, and aging, ensures the durability of the overall structure, and avoids out-of-plane warping of the energy-consuming connecting device. Better energy consumption.
耗能连接件放置在墙体内部，与墙体截面横轴线重合，保证墙体受力平衡、平面内的刚度和承载能力，不会产生偏心弯矩。The energy-dissipating connector is placed inside the wall and coincides with the transverse axis of the wall section to ensure the balance of the force on the wall, the stiffness and bearing capacity in the plane, and no eccentric bending moment.
这样的连接方式可以大幅度提高了预制剪力墙现场装配化施工的效率，实现了小震作用下提供剪力墙连接足够的初始刚度，大震作用下可以耗散地震能量、增强结构和构件延性的减震思想，同时不影响建筑美观的整体效果以及空间利用，节约钢材，具有一定的经济效益。This connection method can greatly improve the efficiency of on-site assembly construction of prefabricated shear walls, realize the provision of sufficient initial stiffness of the shear wall connection under small earthquakes, and dissipate seismic energy and strengthen structures and components under large earthquakes The idea of ductile shock absorption does not affect the overall effect of architectural beauty and space utilization, saves steel, and has certain economic benefits.
附图说明Description of drawings
图1为本实用新型预制装配式剪力墙消能减震水平连接装置整体布置图。Figure 1 is the overall layout of the utility model prefabricated shear wall energy dissipation shock absorption horizontal connection device.
图2为预埋连接装置正视图。Figure 2 is a front view of the pre-embedded connection device.
图3为预埋连接装置俯视图。Figure 3 is a top view of the pre-embedded connection device.
图4为预埋连接装置1-1剖面图。Fig. 4 is a sectional view of the pre-embedded connection device 1-1.
图5为预埋连接装置2-2剖面图。Fig. 5 is a sectional view of the pre-embedded connection device 2-2.
图6为预埋连接装置3-3剖面图。Fig. 6 is a sectional view of the pre-embedded connecting device 3-3.
图7为预制装配式剪力墙消能减震水平连接装置施工示意正视图。Figure 7 is a schematic front view of the construction of the prefabricated shear wall energy dissipation and shock absorption horizontal connection device.
图8为预制装配式剪力墙消能减震水平连接装置施工示意俯视图。Figure 8 is a schematic top view of the construction of the prefabricated shear wall energy dissipation and shock absorption horizontal connection device.
图中：1左槽腔；2右槽腔；3耗能减震部件；4对拉螺栓；5左侧剪力墙；In the figure: 1 left cavity; 2 right cavity; 3 energy-dissipating and shock-absorbing components; 4 pair of pull bolts; 5 left shear wall;
6右侧剪力墙；7抗拔螺栓；8预埋连接装置。6 right shear wall; 7 pullout bolts; 8 embedded connection device.
具体实施方式detailed description
以下结合附图和技术方案，进一步说明本实用新型的具体实施方式。Below in conjunction with accompanying drawing and technical scheme, further illustrate the specific embodiment of the utility model.
一种装配式剪力墙消能减震水平连接装置，包括左侧剪力墙5、右侧剪力墙 6和预埋连接装置8；A prefabricated horizontal connection device for shear wall energy dissipation and shock absorption, including a left shear wall 5, a right shear wall 6 and a pre-embedded connection device 8;
所述的预埋连接装置8包括左槽腔1、右槽腔2、耗能减震部件3和对拉螺栓4；左槽腔1由左前板、左后板、左上板和左下板组成的空腔结构，左前板、左后板、左上板和左下板均焊接有抗拔螺栓7；右槽腔2由右前板、右后板、右上板和右下板组成的空腔结构，右前板、右后板、右上板和右下板均焊接有抗拔螺栓7；耗能减震部件3置于左槽腔1和右槽腔2的空腔结构中，通过对拉螺栓4固定；The embedded connection device 8 includes a left groove 1, a right groove 2, an energy-dissipating shock-absorbing component 3 and a pull bolt 4; the left groove 1 is composed of a left front plate, a left rear plate, a left upper plate and a left lower plate Cavity structure, the left front plate, left rear plate, left upper plate and left lower plate are all welded with pullout bolts 7; 1. The right rear plate, right upper plate and right lower plate are all welded with anti-pull bolts 7; the energy-dissipating shock-absorbing components 3 are placed in the cavity structure of the left cavity 1 and the right cavity 2, and are fixed by the tension bolts 4;
左侧剪力墙5中的钢筋与左前板、左后板、左上板和左下板焊接；右侧剪力墙6中的钢筋与右前板、右后板、右上板和右下板焊接；耗能减震部件3左侧单排对拉螺栓4与左槽腔1连接固定，耗能减震部件3右侧通过双排对拉螺栓4与右槽腔2连接固定；The steel bars in the left shear wall 5 are welded with the left front plate, left rear plate, left upper plate and left lower plate; the steel bars in the right shear wall 6 are welded with the right front plate, right rear plate, right upper plate and right lower plate; The left side of the energy-dissipating shock-absorbing part 3 is connected and fixed with the left groove 1 by a single row of pull bolts 4, and the right side of the energy-dissipating shock-absorbing part 3 is connected and fixed with the right groove 2 through a double row of pull bolts 4;
左侧剪力墙5和右侧剪力墙6间为缝带填充区，其为采用预埋连接装置8 连接产生的区域；缝带填充区的填充物为石棉水泥、砂浆混凝土、内聚氯橡胶或粘合材料；The gap between the left shear wall 5 and the right shear wall 6 is the seam filling area, which is the area generated by the connection with the pre-embedded connection device 8; Rubber or adhesive materials;
右槽腔2的右前板和右后板与右侧剪力墙6表面形成的凹槽区域，为后浇筑混凝土填充区；后浇筑混凝土填充区的填充物为普通混凝土、高强度混凝土、高性能混凝土、砂浆混凝土、再生骨料混凝土或轻骨料混凝土；The groove area formed by the right front plate and right rear plate of the right cavity 2 and the surface of the right shear wall 6 is the post-cast concrete filling area; the filler in the post-cast concrete filling area is ordinary concrete, high-strength concrete, high-performance Concrete, mortar concrete, recycled aggregate concrete or lightweight aggregate concrete;
所述的耗能减震部件3采用摩擦阻尼器或者软钢阻尼器。The energy-dissipating shock-absorbing component 3 adopts a friction damper or a mild steel damper.
一种装配式剪力墙消能减震水平连接装置的施工方法，步骤如下：A construction method of a prefabricated shear wall energy dissipation shock absorption horizontal connection device, the steps are as follows:
步骤1：将左槽腔1连接在左侧剪力墙5内置的钢筋上，将耗能减震部件3 通过对拉螺栓4固定在左槽腔1内，直接浇筑预制混凝土构件；Step 1: Connect the left cavity 1 to the built-in reinforcement of the left shear wall 5, fix the energy-dissipating shock-absorbing component 3 in the left cavity 1 through the pull bolt 4, and directly pour the precast concrete components;
步骤2：定位并固定左侧剪力墙5；吊起右侧剪力墙6，使耗能减震部件3 右侧对准右槽腔2的空腔，通过对拉螺栓4固定；Step 2: Locate and fix the left shear wall 5; hoist the right shear wall 6 so that the right side of the energy-dissipating shock-absorbing component 3 is aligned with the cavity of the right groove cavity 2, and fixed by the pull bolt 4;
步骤3：左侧剪力墙5和右侧剪力墙6之间，对于采用预埋连接装置8连接产生的缝带填充区进行填充；Step 3: Between the left shear wall 5 and the right shear wall 6, fill the gap filling area generated by the connection with the embedded connection device 8;
步骤4：在右槽板2的右前板和右后板与右侧剪力墙6表面形成的凹槽区域浇筑填充物；Step 4: Pouring filler in the groove area formed by the right front plate and right rear plate of the right slot plate 2 and the surface of the right shear wall 6;
所述的耗能减震部件3的安装于墙面H/4，H/2、3H/4处，其中，H为墙体高度；The energy-dissipating and shock-absorbing components 3 are installed on the wall at H/4, H/2, and 3H/4, where H is the height of the wall;
所述的耗能减震部件3按照阻尼力进行安装，计算公式为：The energy-dissipating shock-absorbing component 3 is installed according to the damping force, and the calculation formula is:
D＝0.0675fcBt＝ndi D=0.0675f c Bt=nd i
其中：D为阻尼合力大小(N)，B为单侧墙体宽度(m)，t为单侧墙体厚度(m)，di为单个阻尼器阻尼力大小(N)，n为阻尼器个数，fc为混凝土强度设计值。Among them: D is the resultant damping force (N), B is the width of the wall on one side (m), t is the thickness of the wall on one side (m), d i is the damping force of a single damper (N), and n is the damper number, f c is the design value of concrete strength.
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