Yacmo's Vibration Prevention Map by Usage Scenes

There are many sources of vibration in our daily lives, such as walking, traffic, wind, equipment, earthquakes, etc. This vibration causes various complaints,...

Introduction of TMD Series

Yakumo's TMDs, which can handle a wide range of vibration from small vibrations caused by walking to large shaking caused by wind and earthquakes, "Features, Principles, Structure, Installation...

Introduction to AMD Series

This page introduces the features and installation examples of AMD, a space-saving solution to various vibration problems caused by power. Walking vibration, equipment and machinery vibration...

Introduction of Horizontal TMD

Features and installation examples of horizontal TMDs that reduce lateral sway from earthquakes, strong winds, and traffic vibrations are introduced.

Introduction to Horizontal AMD

Features and installation examples of horizontal AMDs that reduce lateral sway from earthquakes, strong winds, traffic vibrations, etc. are introduced.

Resolving TMD Questions! Frequently Asked Questions Q&A

Frequently asked questions about TMD are summarized in a Q&A format. Please use it as a reference for product selection and countermeasures.

AMD Questions Resolved! Frequently Asked Questions Q&A -Floor Shaking Countermeasures

Frequently asked questions about AMD for floor sway countermeasures (for vertical vibration) are summarized here in Q&A format. Please refer to the product selection and countermeasure...

Vibration Damping System TMD Marukanai BOOK

From the background of the need for TMDs, the features and principles of TMDs are explained with key points. The Yakumo TMD lineup is...

AMD Hardware Technology for High-Rise Buildings

In this column, we will discuss the large AMDs that control wind sway in high-rise buildings, from basic vibration control mechanisms to detailed mechanisms and structures....

How to proceed with countermeasures against vibrations generated in factories and workplaces and examples of such countermeasures

This technical column introduces the basics and practical examples of vibration countermeasures at workplaces. It explains the types and characteristics of anti-vibration materials and how to proceed with countermeasures...

Vibration Problems in Steel Construction Reasons and Countermeasure Points

This article explains the reasons why steel-framed buildings sway, how to reduce vibration and ensure livability, and the key points to keep in mind during the design phase....

How to achieve both design and vibration control

Buildings are required to be not only comfortable but also well designed, but they tend to have long spans, no columns, and other structures that are prone to swaying. Design...

Protecting Buildings and Occupants with "Earthquake Resistance + Vibration Damping

Seismic countermeasures alone may result in large interior shaking that may cause human casualties, or damage that may cause the building to not last long. Seismic resistance...

How to read and use the Occupant Performance Evaluation Guidelines (Vertical Vibration)

The Occupant Performance Evaluation Guideline is a guideline for evaluating daily vibration in buildings from a "habitability" perspective. The first edition, second edition,...

Wind sway countermeasures for mid- and high-rise buildings increase occupant performance!

Wind sway can be a problem not only in super high-rise buildings, but also in long, narrow mid-rise buildings that are built on narrow lots in urban areas. Medium...

Various sources of vibration related to habitability

In these days of growing concern about the living environment, we have systematically summarized the various sources of vibration in daily life that can be a complaint, and have made it easy to understand....

Vibration control for existing buildings "after the fact

Increasingly, vibration problems are occurring later due to layout changes, changes in use, and new installation of equipment and machinery. However, the usual vibration control measures...

Points and weaknesses of TMD that you need to know in order to achieve optimal results.

TMDs are effective and often used to prevent floor sway, but they do not work for all types of sway. For optimum effectiveness, the po...

Types and characteristics of measures to reduce floor sway caused by walking and machinery

Vibration of floors and other structures is often a problem due to environmental vibration from walking and production equipment machinery. As a countermeasure, structural alteration...

Summary of Vibration Reduction Technologies by Countermeasure Location

Environmental changes have resulted in more vibration-related problems than in the past, and more and more pre-and post-measures are being considered. In addition, countermeasures and...

Countermeasure Points and Examples of Improvements for Vibration Problems Caused by Production Equipment Machinery

Production equipment and machinery have high excitation forces, and vibration problems often occur with new installations, layout changes, and line expansions. The raw...

Vertical Nori Vibration Control in Buildings

In recent years, there has been an increase in the number of complexes and tenant buildings that house facilities for a variety of uses. In particular, sports facilities, studios, halls, etc., have been held...

Vibration control for steel stairs

In recent years, commercial facilities, universities, museums, and other facilities have expressed a need for "blending into the space without feeling oppressive," and "having a light feeling that makes people want to climb up...

Points to consider in advance of floor sway countermeasures and examples of countermeasures

After building construction is completed, vibration from walking, fitness, traffic, and production equipment and machinery becomes a problem and needs to be addressed....

Walking vibration countermeasure for long-span floors

Spacious, open offices with long spans and no pillars are popular, but these long-span structures tend to shake the floor when walking...

Wind sway phenomenon in mid- and high-rise buildings is surprisingly common.

We are often consulted by occupants who are concerned that their buildings are swaying in the wind. It is not only high-rise buildings...

Basic Knowledge of Physical Vibration - Occupant Performance Evaluation

Vibration problems can seem difficult because they do not show up visibly. How do we evaluate vibration? Staying...

Introduction of Vertical and Horizontal Vibration Simulator

It is difficult to explain vibration phenomena verbally, and hands-on experience is the most effective way to deepen understanding. Therefore, at Yakumo, up and down...

Database of measured office floor vibrations caused by walking and running.

Yakumo has organized response acceleration data for 34 buildings and 42 office buildings that have been measured by actual walking and small running excitation....

Database of TMD mass mass performance for vertical vibration

The following is a list of the 808 TMD mass masses for vertical vibration that Yakumo has constructed, organized by structure and application....

Error in Natural Frequency Design Values of Structures

This report compares the natural frequencies of floors, crosswalks, and cantilevered floors that Yakumo has measured to date with the design values. The calculated values at the time of design are which...

CAD drawing of anti-vibration rubber seal hanger for anti-vibration ceiling

Ultra-thin seismic isolation system

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