JP2002038765A - Vibration control device and its execution method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vibration control device capable of reducing maintenance cost extremely. SOLUTION: In the device, which has a liquid storage space 2, in which a liquid having the same vibrational period as the vibrational period of a building is housed, and by which the vibrations of the building by wind load and the vibrational energy of an earthquake or the like are controlled, a nonvolatile liquid 4 as the uppermost layer of the liquid is mounted into the liquid storage space. According to the vibration control device 1, a contact between water and the outside air is interrupted and the evaporation of water can be prevented because the nonvolatile liquid constitutes the uppermost layer section and covers the upper section of water when the inside of the liquid storage space is filled with water, and the capacity of water in the liquid storage space can be kept constant at all times. Thus, maintenance such as the scheduled control of the quantity of water is made unnecessary.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping device for absorbing and suppressing vibration energy caused by, for example, a wind load or an earthquake, and attenuating the vibration of a building.

[0002]

2. Description of the Related Art As one of such vibration damping devices, there has been known a vibration damper composed of a container filled with water. Many of these vibration dampers are arranged, for example, in a room specially provided on the top floor of a building, and when the building receives vibration energy, the water in each container is １ ／ cycle in response to shaking of the building. The natural frequency is adjusted so as to oscillate with a delay of a minute. As a result, the water sways in the direction opposite to the direction of the swing of the building, so that the swing of the building can be attenuated and damped.

[0003]

However, the conventional vibration damping device provided with the vibration damper has the following problems. In other words, since the water in the container evaporates due to long-term use, it is necessary to manage the amount of water about once a year, for example, in order to keep the natural frequency constant, resulting in high maintenance costs. It is.

The present invention has been made in view of the above circumstances, and has as its object to provide a vibration damping device capable of minimizing maintenance costs.

[0005]

Means for Solving the Problems The vibration damping device of the present invention employs the following means in order to solve the above problems. That is, the vibration damping device according to claim 1 includes a liquid storage space that stores a liquid having the same vibration cycle as the building, and controls vibration of the building due to vibration energy such as wind load and earthquake. A non-volatile liquid, which is the uppermost layer of the liquid, is provided in the liquid storage space. According to the vibration damping device of the first aspect, for example, when water is filled in the liquid storage space,
Since the non-volatile liquid forms the uppermost layer and covers the upper part of the water, the contact between the water and the outside air can be cut off to prevent the evaporation of the water, and the volume of the water in the liquid storage space can always be kept constant. . Therefore, maintenance such as periodically managing the amount of water becomes unnecessary.

According to a second aspect of the present invention, there is provided the vibration damping device according to the first aspect, wherein the liquid accommodating space is accommodated and arranged in a floor of the building. It is characterized by being. According to the vibration damping device of the second aspect, the space in the floor can be effectively utilized, and a dedicated space for installing the vibration damping device as in the related art is not required.

According to a third aspect of the present invention, in the vibration damping device according to the first or second aspect, the liquid accommodating space is a plurality of spaces formed between a plurality of arranged concrete blocks. A first communication path is formed between the concrete blocks to allow the liquid storage spaces to communicate with each other. According to the vibration damping device of the third aspect, when at least one of the liquid storage spaces is filled with the liquid, the liquid is filled with the first liquid.
The other liquid accommodating space is also filled at the same time through the communication passage.

According to a fourth aspect of the present invention, in the vibration damping device according to the first or second aspect, the liquid storage space is a space formed in each of a plurality of arranged water tanks. A second communication path is provided between the liquid storage spaces to allow the liquid storage spaces to communicate with each other. According to the vibration damping device of the fourth aspect, when at least one liquid accommodating space of each water tank is filled with the liquid, the liquid also simultaneously fills the other liquid accommodating spaces via the second communication paths. To go.

According to a fifth aspect of the present invention, in the vibration damping device according to the fourth aspect, each of the water tanks is a concrete container which has been subjected to waterproof treatment such as application of asphalt. According to the vibration damping device of the fifth aspect, the same operation as that of the fourth aspect can be obtained.

According to a sixth aspect of the present invention, in the vibration damping device according to the first or second aspect, the liquid storage space is formed by combining a plurality of partition plates in a grid and forming a plurality of partition plates therebetween. Wherein each of the partition plates is formed with a third communication path that allows the liquid storage spaces to communicate with each other. According to the vibration damping device of the sixth aspect, at least one of the liquid storage spaces is provided.
When one of the liquids is filled, the liquid also simultaneously fills the other liquid storage space through each of the third communication paths.

According to a seventh aspect of the present invention, there is provided a vibration damping apparatus.
In the vibration damping device according to any one of the above, all of the respective liquid storage spaces communicate with each other via the first communication path or the second communication path or the third communication path, At least one of the liquid storage spaces has
A liquid supply mechanism for supplying the liquid into the liquid storage space and a level meter capable of checking a liquid level in the liquid storage space are provided. Claim 7
According to the vibration damping device described above, by checking the level meter and adjusting the amount of liquid to be filled in at least one of the liquid storage spaces by the liquid supply mechanism, all of the liquid storage spaces are automatically adjusted. The liquid level height (liquid amount) of the liquid can be adjusted to be the same. In addition, the liquid level of all the liquid storage spaces at this time can be confirmed by one level meter. Therefore, there is no need to manage the liquid amount for each liquid storage space.

According to a eighth aspect of the present invention, there is provided a method of constructing a vibration damping device according to the third aspect of the present invention, comprising the steps of: A waterproof layer construction step of laying a waterproof layer made of steel plate or asphalt on the horizontal surface after the construction step, and a concrete block construction step of installing each of the concrete blocks on the waterproof layer after the waterproof layer construction step, A liquid filling step of filling the liquid in each of the liquid storage spaces after the concrete block construction step and then covering the upper surface thereof with the non-volatile liquid, and a finish of covering an upper portion of each of the liquid storage spaces after the liquid filling step And a process. According to the construction method of the vibration damping device according to the eighth aspect, it is possible to reliably construct the liquid storage space in which the liquid does not easily leak.

According to a ninth aspect of the present invention, there is provided a method of constructing a vibration damping device according to the sixth aspect of the present invention, comprising the steps of: On the horizontal surface after the construction step, a waterproof layer construction step of laying a waterproof layer made of steel plate or asphalt, and a partition board construction step of installing each of the partition boards on the waterproof layer after the waterproof layer construction step, A liquid filling step of filling the liquid in each of the liquid storage spaces after the partition plate construction step and then covering the upper surface with the non-volatile liquid, and a finish covering the upper portions of the liquid storage spaces after the liquid filling step And a process. According to the construction method of the vibration damping device according to claim 9,
A liquid storage space in which liquid leakage hardly occurs can be reliably installed.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the vibration damping device of the present invention will be described with reference to the drawings, but it is needless to say that the present invention is not limited to these embodiments. First, referring to FIG. 1 and FIG.
An embodiment will be described. FIG. 1 is a diagram showing a case where the vibration damping device of the present invention is installed in a high-rise building, and is a side view of the high-rise building. FIG.
FIG. 2A is a plan sectional view of the vibration damping device as viewed from a cross section AA in FIG. 1, and FIG.

The high-rise building T
Water W with a capacity that has the same vibration cycle as that of (building)
A plurality of liquid storage spaces 2 for storing (liquid), and a device for damping the vibration of the high-rise building T caused by a wind load applied to the high-rise building T or vibration energy such as an earthquake. Are accommodated and arranged in the floor Y of the high-rise building T. These liquid storage spaces 2,... Are a plurality of spaces formed between a plurality of arranged concrete blocks 3,.・ Between
The gaps 3a,... (First communication passages) are formed to connect the adjacent liquid storage spaces 2,.

Each of the concrete blocks 3,...
A member that has a roughly rhombic shape with four sides depressed inward when viewed in plan and has a predetermined height when viewed from the side, and its outer surface is subjected to waterproof treatment to prevent water absorption. Have been. The concrete blocks 3,... Have the same shape and are arranged in parallel as shown in FIG. A substantially cylindrical space whose periphery is surrounded by each of the concrete blocks 3,... Of the body) is secured as the liquid storage space 2.

Further, as shown in FIG. 2 (b), the gaps 3a,... Having a predetermined size are formed between the concrete blocks 3,. That is, for example, FIG.
Around the liquid storage space 2 indicated by reference numeral a in FIG. 4A, four liquid storage spaces 2 indicated by reference numerals be are arranged. , 2, between the liquid storage spaces 2, 2 of a and c, between the liquid storage spaces 2, 2 of a and d, and between the liquid storage spaces 2, 2 of a and e. Are formed with the gaps 3a and 3b, respectively, so that the gaps 3a communicate with each other. Therefore, when any one of these symbols a to e is selected and filled with water, the gaps 3a,.
The other liquid storage spaces 2,... Are simultaneously filled with water at the same water level. In this way,
All the liquid storage spaces 2,... Communicate with each other through the gaps 3a,..., And the water levels of the stored water W are all kept substantially the same.

As shown in FIG. 2 (b), the liquid storage spaces 2,... Are filled with a predetermined amount of water W. It is covered with the non-volatile liquid 4 which forms the upper layer. The water W has a columnar shape by filling the liquid storage spaces 2,..., And its natural frequency is adjusted by adjusting the height dimension h (ie, adjusting the filling amount of the water W). Is adjustable. The non-volatile liquid 4 has a specific gravity of 1 or less and water W
It is a liquid that is easy to separate from, for example, silicon oil,
Fluorine oil, liquid paraffin, or polybutene can be used. Since the non-volatile liquid 4 has a lower specific gravity than the water W, it forms a thin film that always covers the entire upper surface of the water W. Further, since the non-volatile liquid 4 is non-volatile, a constant film thickness (for example, 1 mm to 3 mm thickness) can always be maintained on the water W.
Therefore, since the upper surface of the water W is always covered with the non-volatile liquid 4, the water W is prevented from contacting the outside air, and the water W is prevented from evaporating.

Further, the vibration damping device 1 of the present embodiment has a liquid supply mechanism (see FIG. 1) for supplying water W into the liquid storage space 2 to at least one of the liquid storage spaces 2,. (Not shown) and a level meter (not shown) for checking the liquid level in the liquid storage space. According to this configuration, by adjusting the amount of water W to be filled in at least one of the liquid storage spaces 2,... By the liquid supply mechanism, all the liquid storage spaces 2,. It is possible to adjust the liquid level (liquid amount) of the water W in the same.
Moreover, the liquid level of all the liquid storage spaces 2,... At this time can be confirmed by the single level meter. Therefore, there is no need to manage the liquid amount for each of the liquid storage spaces 2,.

A method of installing the vibration damping device 1 having the above-described configuration will be described below. This construction includes a concrete construction step, a waterproof layer construction step after the concrete construction step, a concrete block construction step after the waterproof layer construction step, a liquid filling step after the concrete block construction step, and a liquid filling step. This is performed through a later finishing step (not shown). That is, first, in the concrete construction process, concrete is poured onto a deck plate to make a horizontal surface. In the following waterproof layer construction step, a waterproof layer made of a steel plate or asphalt is laid on the horizontal plane (the upper surface of the concrete) to form a large water tank. In the subsequent concrete block construction process, the concrete blocks 3,... Are installed on the waterproof layer, and the liquid storage spaces 12,.
・ ・ Partition formation. In the subsequent liquid filling step, each liquid accommodating space 12,... Is filled with water W, and then its upper surface is covered with the non-volatile liquid 4. In the subsequent finishing step, a steel plate is laid so as to cover the entire surface of each of the concrete blocks 3,..., And a finishing cushion is laid on the steel plate. Through the above steps, the construction of the vibration damping device 1 is completed.

High-rise building T equipped with vibration damping device 1 described above
On the other hand, when vibration energy due to an earthquake or strong wind is applied, the high-rise building T shakes due to the received vibration energy. However, since the natural frequency is previously adjusted so that the water W in each of the liquid storage spaces 2,... Oscillates with a delay of 1/4 cycle, the vibration of the high-rise building T is attenuated. And finally dampen.

The vibration damping device 1 according to the present embodiment described above
The effects of are described below. According to the vibration damping device 1 of the present embodiment, the water volume in each of the liquid storage spaces 2,... Is always kept constant even after long-term use. The maintenance such as performing is unnecessary. That is, since the non-volatile liquid 4 constitutes the uppermost layer and covers the upper part of the water W, the contact between the water W and the outside air can be cut off to prevent the water W from evaporating. Is always kept constant. Therefore, the natural frequency of the water W in all of the liquid storage spaces 2,... Can be kept constant even with little maintenance, so that the maintenance cost of the apparatus can be reduced as much as possible or the maintenance free. Becomes

Further, the vibration damping device 1 according to the present embodiment employs a configuration in which the vibration damping device 1 is accommodated and arranged in the floor Y, so that the space in the floor Y can be effectively utilized and the conventional vibration damping device can be used. A dedicated space for installing the vibration damping device is not required, and it can be used for other purposes. Further, the vibration damping device 1 according to the present embodiment has all the liquid storage spaces 2,.
Are a plurality of spaces formed between the concrete blocks 3,... Disposed in a plurality, and between the concrete blocks 3,. Are formed to form gaps 3a,. According to this configuration, it is possible to automatically keep the water level of the water W in each of the liquid storage spaces 2,.

Next, a second embodiment of the vibration damping device of the present invention will be described below with reference to FIG. In the present embodiment, the configuration of the liquid storage space is particularly different from that of the first embodiment. Therefore, the description will be focused on this point, and the description will be made assuming that the other components are the same. Omitted. FIG. 3A is a plan sectional view of the vibration damping device 11 of the present embodiment viewed from a cross section AA in FIG. 1, and FIG. 3B is a perspective view of a main part of the vibration damping device 11. FIG.

The high-rise building T
Water W with a capacity that has the same vibration cycle as that of (building)
A plurality of liquid storage spaces 12 for storing (liquid), and a device for damping vibrations of the high-rise building T caused by wind energy applied to the high-rise building T or vibration energy such as an earthquake. Are accommodated and arranged in the floor Y of the high-rise building T. As shown in FIG. 3B, the liquid storage spaces 12,... Are a plurality of spaces formed by combining a plurality of partition plates 13,. Each of the partition plates 13,... Is formed with a slit 13a,... (Third communication path) for communicating the liquid storage spaces 12,.

Each of the partition plates 13,... Is a member having a rectangular flat plate shape, and its outer surface is subjected to a waterproof treatment for preventing water absorption. Have the same shape, and the partition plates 13,...
By arranging them in a grid as shown in FIG. 3A, the space formed between them (that is, the four partition plates 13,
., A substantially square body-shaped space surrounded on all sides by the plane of... Is secured as the liquid storage space 12.

Further, as shown in FIG. 3 (b), a plurality of slits 13a,... Are formed below the partition plates 13,. And, for example, FIG.
(A) around the liquid accommodating space 12 indicated by the symbol a1
Four liquid storage spaces 12, denoted by reference numerals b1 to e1, are arranged, and between the liquid storage spaces 12, 12, denoted by reference numerals a1 and b1, and the liquid storage spaces 12, denoted by reference numerals a1 and c1. 12 and between the liquid accommodating spaces 12 and 12 indicated by reference numerals a1 and d1 and between the liquid accommodating spaces 12 and 12 indicated by reference numerals a1 and e1 communicate with each other by slits 13a. It has become. Therefore, when any one of these symbols a1 to e1 is selected and filled with water, the same water level is simultaneously applied to the other liquid storage spaces 12,. Is filled with water. In this way,
All the liquid storage spaces 12,.
.. all other liquid storage spaces 12, adjacent via
Water can be passed between

As shown in FIG. 3 (b), the liquid storage spaces 12,... Are filled with a predetermined amount of water W. It is covered with the non-volatile liquid 4 which forms the upper layer. The water W has a square body shape by filling the liquid storage spaces 12,..., And its natural vibration is adjusted by adjusting its height dimension h (ie, adjusting the filling amount of the water W). The number is adjustable. As the nonvolatile liquid 4, the same liquid as that described in the first embodiment is employed.
Therefore, the upper surface of the water W is always covered with the non-volatile liquid 4, so that the water W does not come into contact with the outside air, and the water W is prevented from evaporating.

Further, the vibration damping device 11 of the present embodiment has a liquid supply mechanism (FIG. 1) for supplying water W into the liquid storage space 12 to at least one of the liquid storage spaces 12,. (Not shown) and a level meter (not shown) for checking the liquid level in the liquid storage space. According to this configuration, by adjusting the amount of water W to be filled in at least one of the liquid storage spaces 12,... By the liquid supply mechanism, all the liquid storage spaces 12,. It is possible to adjust the liquid level (liquid amount) of the water W in the same. Moreover, at this time, all the liquid storage spaces 12,.
The liquid level can be confirmed by the level meter. Therefore, each liquid storage space 12,.
There is no need to control the amount of liquid every time.

A method of installing the vibration damping device 11 having the above-described configuration will be described below. This construction is a concrete construction process, a waterproof layer construction process after the concrete construction process, a partition board construction process after the waterproof layer construction process,
This is performed through a liquid filling step after the partition plate construction step and a finishing step after the liquid filling step (not shown). That is, in the concrete construction process,
Pour concrete on the deck plate to get a horizontal surface. In the following waterproof layer construction step, a waterproof layer made of a steel plate or asphalt is laid on the horizontal plane (the upper surface of the concrete) to form a large water tank. In the subsequent partition plate construction process, the partition plates 13,.
Are installed while being combined in a grid pattern, and the liquid storage spaces 12,. In the subsequent liquid filling step, each liquid accommodating space 12,... Is filled with water W, and then its upper surface is covered with the non-volatile liquid 4. In the subsequent finishing step, a steel plate is laid so as to cover the entire surface of each of the partition plates 13,..., And a finishing cushion is laid on the steel plate. Through the above steps, the construction of the vibration damping device 11 is completed.

When vibration energy due to an earthquake or strong wind is applied to a high-rise building T provided with the above-described vibration damping device 11, the high-rise building T shakes due to the received vibration energy. However, since the natural frequency is previously adjusted so that the water W in each of the liquid storage spaces 12,... Oscillates with a delay of １ ／ cycle, the oscillation of the high-rise building T is attenuated. And finally dampen. The vibration damping device 11 of the present embodiment described above
According to this, it is possible to obtain the same effect as that of the first embodiment.

Next, a third embodiment of the vibration damping device of the present invention will be described below with reference to FIG. In the present embodiment, the configuration of the liquid storage space is particularly different from that of the first embodiment. Therefore, the description will be focused on this point, and the description will be made assuming that the other components are the same. Omitted. 4A and 4B are views showing the vibration damping device of the present embodiment, wherein FIG. 4A is a perspective view of the vibration damping device as viewed from inside a building, and FIG. It is a perspective view of a component.

The vibration damping device 21 of the present embodiment comprises a plurality of liquid storage spaces 22 for storing a volume of water W (liquid) having the same vibration cycle as the vibration cycle of the high-rise building T (building). Is a device for damping the vibration of the high-rise building T caused by wind load applied to the high-rise building T or vibration energy such as an earthquake. These liquid storage spaces 22,. In the floor Y. These liquid storage spaces 22,... Are, as shown in FIGS.
(Water tanks) are spaces formed in a plurality of arranged damping dampers 23,.
Are connected to each other by a water pipe (a second communication path, not shown) that allows the liquid storage spaces 22,... To communicate with each other.

Each of the vibration dampers 23,... Employs a concrete container which has been subjected to a waterproof treatment such as asphalt coating, but is not limited thereto. Of course, it may be adopted. These vibration dampers 23,... Are arranged in the floor Y so as to be in close contact with each other, and when viewed in a plan view along the line AA in FIG. It has a configuration that is evenly arranged. Note that a part of the floor surface may be made of transparent glass so that a visitor can view it.

As shown in FIG. 4 (b), each vibration damper 23 is a cylindrical container having a bottom having a height smaller than a diameter, and has a circular bottom plate 23a and a peripheral edge of the bottom plate 23a. The liquid storage space 2 includes a vertically rising side wall 23b and a lid (not shown) that covers an upper edge of the side wall 23b.
2 can be sealed. The damper 23 is bolted to the upper surface of the slab S at its bottom plate 23a.

In the liquid accommodating space 22 of the vibration damper 23, water W and the non-volatile liquid 4 forming the uppermost layer covering the upper surface of the water W are stretched. Water W
It fills the liquid storage space 22 and has a cylindrical shape.
By adjusting the height h (ie, adjusting the filling amount of the water W), the natural frequency can be adjusted. As the nonvolatile liquid 4, the same liquid as that described in the first embodiment is employed. Therefore, the upper surface of the water W is always covered with the non-volatile liquid 4 so that the water W does not come into contact with the outside air.
The structure is such that evaporation of water is prevented.

The vibration damping device 21 of the present embodiment has a liquid supply mechanism (not shown) for supplying water W into the liquid storage space 22 to at least one of the liquid storage spaces 22,. ) And a level meter (not shown) for checking the liquid level in the liquid storage space. According to this configuration, at least one of the liquid storage spaces 22,.
By automatically adjusting the amount of water W to be filled by the liquid supply mechanism, the water W in all the liquid storage spaces 22,.
Can be adjusted to be the same. Moreover, the liquid level of all the liquid storage spaces 22, at this time can be confirmed by the level meter. Therefore, there is no need to manage the liquid amount for each of the liquid storage spaces 22,.

When vibration energy due to an earthquake or strong wind is applied to the high-rise building T provided with the above-described vibration damping device 21, the high-rise building T shakes due to the received vibration energy. However, since the natural frequency is previously adjusted so that the water W in each of the liquid storage spaces 22,... Oscillates with a delay of １ ／ cycle, the vibration of the high-rise building T is attenuated. And finally dampen. The vibration damping device 21 of the present embodiment described above
According to this, it is possible to obtain the same effect as that of the first embodiment.

The vibration damping devices 1, 11, and 21 according to the embodiments described above are provided in the respective liquid storage spaces 2, 12, 22.
The inside is filled with water W and its upper surface is covered with the non-volatile liquid 4. However, the present invention is not limited to this. It may be stretched by an amount corresponding to the height dimension at which the number can be obtained. However, it can be said that using in combination with water W is more preferable in terms of manufacturing cost.

Further, the vibration damping devices 1 and 1 according to each of the above embodiments are provided.
1, 21 are provided in the floor Y of the top floor F,
The present invention is not limited to this, and may of course be provided on an intermediate floor of the high-rise building T. However, if you set it on the top floor F,
This is preferable because a higher damping effect can be obtained. Further, in each of the above embodiments, the liquid that covers the upper surface with the non-volatile liquid 4 is water W, but is not limited thereto, and other liquids may be employed. However, in this case, it is an essential condition that the specific gravity of the non-volatile liquid 4 is smaller than the specific gravity of the liquid used. Further, in each of the above-described embodiments, a configuration in which both the point of covering the upper surface of the water W with the non-volatile liquid 4 and the point of disposing the vibration damping devices 1, 11, and 21 in the floor Y are simultaneously provided. However, since these points have different effects, it is effective to adopt a configuration in which each point is independently used.

[0041]

According to the vibration damping device of the first aspect of the present invention, a non-volatile liquid as the uppermost layer of the liquid is provided in the liquid storage space. According to this configuration, the liquid volume in the liquid storage space is always kept constant even after long-term use, so that maintenance such as regular water amount management as in the related art is not required. That is, for example, when water is filled in the liquid storage space, the non-volatile liquid forms the uppermost layer and covers the upper part of the water, so that the contact between the water and the outside air can be cut off and the evaporation of the water can be prevented, Always keep the volume of water in the liquid storage space constant. Therefore, the natural frequency of the vibration damper can be kept constant even with little maintenance, so that the maintenance cost of the device can be reduced as much as possible.

Further, the vibration damping device according to claim 2 employs a configuration in which the liquid storage space is accommodated and arranged in the floor. According to this configuration, the space in the slab can be effectively utilized, and a dedicated space for installing the vibration damping device is not required as in the related art, and the slab can be utilized for other purposes.

According to a third aspect of the present invention, in the vibration damping device, the liquid accommodating space is a plurality of spaces formed between the plurality of concrete blocks arranged, and the space between the concrete blocks is provided between the concrete blocks. A configuration in which first communication passages communicating with each other were formed was adopted. According to this configuration, it is possible to automatically maintain the same liquid level in each liquid storage space.

According to a fourth aspect of the present invention, in the vibration damping device, the liquid accommodating spaces are spaces formed in a plurality of water tanks, respectively. A configuration in which second communication paths to be communicated with each other are formed was adopted. According to this configuration, it is possible to automatically maintain the same liquid level in each liquid storage space.

The vibration damping device according to a fifth aspect of the present invention adopts a configuration in which the water tank is a concrete container that has been subjected to a waterproof treatment such as asphalt application. According to this configuration, the same effect as the fourth aspect can be obtained.

According to a sixth aspect of the present invention, in the vibration damping device, the liquid storage space is a plurality of spaces formed by combining a plurality of partition plates in a lattice shape, and each of the partition plates has In addition, a configuration is adopted in which third communication paths are formed to communicate the liquid storage spaces with each other. According to this configuration, it is possible to automatically maintain the same liquid level in each liquid storage space.

In the vibration damping device according to the seventh aspect, all of the liquid storage spaces communicate with each other via the first communication path, the second communication path, or the third communication path. At least one of the liquid storage spaces is provided with a liquid supply mechanism for supplying a liquid into the liquid storage space and a level meter capable of checking a liquid level in the liquid storage space. did. According to this configuration, by adjusting the amount of the liquid to be filled in at least one of the liquid storage spaces by the liquid supply mechanism, the liquid surface height (the liquid level) of the liquid in all the liquid storage spaces is automatically adjusted. Amount) can be adjusted to the same value. In addition, the liquid level in all the liquid storage spaces at this time can be confirmed by one level meter. Therefore, there is no need to manage the liquid amount for each liquid storage space.

According to another aspect of the present invention, there is provided a method of constructing a vibration damping device, wherein concrete is cast on a deck plate to form a horizontal surface, and a steel plate or asphalt is formed on the horizontal surface after the concrete constructing process. A waterproofing layer construction step of laying a waterproofing layer, a concrete block construction step of installing the concrete blocks on the waterproofing layer after the waterproofing layer construction step, and the liquid storage space after the concrete block construction step. A method including a liquid filling step of filling the liquid and then covering the upper surface with the non-volatile liquid, and a finishing step of covering the upper portion of each of the liquid storage spaces after the liquid filling step is employed.
According to this method, it is possible to reliably construct a liquid storage space in which liquid leakage hardly occurs.

According to a ninth aspect of the present invention, there is provided a method for constructing a vibration damping device, comprising the steps of: placing concrete on a deck plate to form a horizontal surface; A waterproof layer construction step of laying a waterproof layer, a partition board construction step of installing each of the partition boards on the waterproof layer after the waterproof layer construction step, and the liquid storage space after the partition board construction step A method including a liquid filling step of filling the liquid and then covering the upper surface with the non-volatile liquid, and a finishing step of covering the upper portion of each of the liquid storage spaces after the liquid filling step is employed. According to this method, it is possible to reliably construct a liquid storage space in which liquid leakage hardly occurs.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment when a vibration damping device of the present invention is installed in a high-rise building, and is a side view of the high-rise building.

FIGS. 2A and 2B are diagrams showing the vibration damping device of the embodiment, wherein FIG. 2A is a plan sectional view of the vibration damping device taken along the line AA in FIG. 1, and FIG. It is a perspective view of the principal part of the vibration damping device.

3A and 3B are diagrams showing a second embodiment of the vibration damping device of the present invention, wherein FIG. 3A is a plan sectional view of the vibration damping device taken along the line AA in FIG. (B) is a perspective view of a main part of the vibration damping device.

FIG. 4 is a diagram showing a third embodiment of the vibration damping device of the present invention, wherein (a) is a perspective view of the vibration damping device,
(B) is a perspective view of a component of the vibration damping device.

[Explanation of symbols]

 1, 11, 21 ... damping device 2, 12, 22 ... liquid storage space 3 ... concrete block 3a ... gap (first communication path) 4 ... nonvolatile liquid 13 ... -Partition plate 13a-Slit (third communication path) 23-Vibration damper (water tank) T-High-rise building (building) W-Water (liquid) Y-Floor

Claims (9)

[Claims] 1. A device for providing a liquid storage space for storing a liquid having the same vibration cycle as a building, and for damping vibration of the building due to vibration energy such as wind load or earthquake. A non-volatile liquid as an uppermost layer of the liquid is provided in the liquid storage space. 2. The vibration damping device according to claim 1, wherein the liquid storage space is housed and arranged in a floor of the building. 3. The vibration damping device according to claim 1, wherein the liquid storage space is a plurality of spaces formed between a plurality of arranged concrete blocks, and each of the plurality of concrete blocks has a space between the concrete blocks. A vibration damping device, wherein first communication passages for communicating the liquid storage spaces with each other are formed. 4. The vibration damping device according to claim 1, wherein the liquid storage spaces are spaces formed in a plurality of water tanks, respectively, and the liquid storage spaces are provided between the water tanks. 2. A vibration damping device, wherein second communication passages for communicating between spaces are formed. 5. The vibration damping device according to claim 4, wherein each of the water tanks is a concrete container that has been subjected to waterproof treatment such as asphalt application. 6. The vibration damping device according to claim 1, wherein the liquid containing space is a plurality of spaces formed by combining a plurality of partition plates in a lattice shape, and each of the partition walls. The plate is provided with third communication passages for communicating the liquid storage spaces with each other, respectively. 7. The vibration damping device according to claim 3, wherein all of the respective liquid storage spaces are the first communication path, the second communication path, or the third communication path. At least one of the liquid storage spaces has a liquid supply mechanism for supplying the liquid into the liquid storage space, and a liquid level in the liquid storage space is checked. A vibration control device characterized by being provided with a level meter capable of performing the control. 8. A method for constructing a vibration damping device according to claim 3, wherein concrete is cast on a deck plate to produce a horizontal surface, and a steel plate or a steel plate is provided on the horizontal surface after the concrete construction process. A waterproof layer construction step of laying a waterproof layer made of asphalt, a concrete block construction step of installing each of the concrete blocks on the waterproof layer after the waterproof layer construction step, and the liquid storage spaces after the concrete block construction step A liquid filling step of filling the inside of the liquid with the liquid and then covering the upper surface thereof with the non-volatile liquid; and a finishing step of covering the upper portion of each of the liquid storage spaces after the liquid filling step. How to install the device. 9. A method for constructing a vibration damping device according to claim 6, wherein concrete is cast on a deck plate to produce a horizontal surface, and a steel plate or a steel plate is provided on the horizontal surface after the concrete construction process. A waterproof layer construction step of laying a waterproof layer made of asphalt, a partition board construction step of installing each of the partition boards on the waterproof layer after the waterproof layer construction step, and the respective liquid storage spaces after the partition board construction step A liquid filling step of filling the inside of the liquid with the liquid and then covering the upper surface thereof with the non-volatile liquid; and a finishing step of covering the upper portion of each of the liquid storage spaces after the liquid filling step. How to install the device.