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Vertical support tmd damper installation structure and construction method
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A vertical support and installation structure technology, applied in the direction of building components, building structures, building types, etc., can solve the problems of low installation efficiency of TMD dampers, high cost of installing support platforms, difficulty in suppressing vibration, etc., and shorten the installation time , Compact structure and concealment, improve the effect of suppressing vibration
Active Publication Date: 2021-08-31
中交二航局建筑工程有限公司
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Therefore, there is an error problem between the actual implementation and the theoretical model, and it is difficult to suppress the vibration along the vertical direction
[0004] In addition, the traditional installation method requires a specially designed and built support platform. For high-altitude passages or floors with high internal space, the cost of installing a support platform is high, and the installation efficiency of TMD dampers is also low
Finally, how to transport the TMD damper to the installation support platform is also a complicated process
The quality of the TMD damper is usually between 1% and 5% of the structural mass of the structure that needs to be restrained, and its own weight is relatively heavy. There are also great safety hazards when installed on the installation support platform in the sky
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Embodiment 1
[0040] Such as Figure 1~6 Among them, a vertical support TMD damper installation structure, a corbel 4 is fixed under the floor 7, a damper support frame 2 is provided at the bottom of the TMD damper 1, and the damper support frame 2 is fixed on the corbel 4 ;
[0041] A damping structure is provided between the mass block 101 of the TMD damper 1 and the damper support frame 2, so that the mass mass 101 vibrates vertically under the influence of the damping structure. With this structure, the TMD damper 1 is fixed below the floor 7 , and the vibration of the floor 7 is suppressed by the TMD damper 1 .
[0042] The preferred solution is as figure 2 , 3 Among them, a beam 6 is arranged under the floor 7, and the corbel 4 is fixed on the side of the beam 6 through the anchor bolt 5;
[0043] The number of said corbels 4 is at least 4, every two are a group, and there is a gap between the two corbels 4;
[0044] The damper support frame 2 is provided with extensions corresp...
Embodiment 2
[0052] Such as figure 1 Among them, a kind of construction method that adopts above-mentioned a kind of vertical support TMD damper installation structure, comprises the following steps:
[0053] S1, at least two rope-threading through holes 10 are set on the floor 7, and the diameter of the rope-threading through holes 10 is slightly larger than the diameter of the steel wire rope 3, which is convenient for passing the steel wire rope 3;
[0054] In a preferred solution, the TMD damper 1 is installed below the floor 7 in the middle of the structure where the floor 7 has a relatively large span.
[0055] S2. Install a hoisting frame 8 above the rope-threading through hole 10, and a hoisting device 9 is arranged on the hoisting frame 8; the hoisting device 9 in this example adopts a manual hoist or an electric hoist.
[0056] S3. Install at least four corbels 4 on the side of the beam 6. The corbels 4 are divided into two groups and arranged symmetrically. The position of the ...
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Abstract
The invention provides a vertically supporting TMD damper installation structure and construction method. A corbel is fixed under the floor, a damper support frame is provided at the bottom of the TMD damper, and the damper support frame is fixed on the corbel; TMD A damping structure is provided between the mass block of the damper and the support frame of the damper, so that the mass block vibrates vertically under the influence of the damping structure. During construction, set at least two rope-through holes on the floor, install a hoist above the rope-through holes, and install a hoist on the hoist; the steel wire rope of the hoist passes through the rope-through holes and is fixedly connected to the damper support frame , hoist the TMD damper as a whole; when the hoisting position is close to the corbel, pull the TMD damper from the side, so that the TMD damper bypasses the interference of the corbel during the lifting process, and continue to lift the TMD damper to the corbel. , and fixedly connect the bracket of the damper support frame; through the above steps, the installation of the TMD damper is realized. The installation structure attached to the bottom of the floor is more compact and concealed.
Description
technical field [0001] The invention relates to the anti-deformation field of structures, in particular to a vertically supported TMD structure and a construction method. Background technique [0002] With the advancement of technology, the span of the supporting space of the existing structures gradually increases, but as the span of the supporting space increases, the vibration deformation of the floor slab also increases, and it is necessary to suppress the vibration of the long-span floor. Chinese patent document CN103410085A describes a high-speed rail pedestrian bridge vibration-reducing ceiling device and a processing method thereof. The effect of vibration reduction is achieved by the suspended mass block. However, this structure mainly realizes the suppression of the swing of the structure, and its movement direction is along the horizontal direction. Chinese patent document CN 105386403 A describes an assembled eddy current tuned mass damper for flyovers and a ma...
Claims
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Application Information
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