高層ビルやベースで隔離された建物の反応は,仮説的な7.0mWの盲目推力地震に対するものです

関連する実験動画

Updated: Jul 12, 2026

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

T H Heaton, J F Hall, D J Wald

    Science (New York, N.Y.)
    |January 13, 1995
    PubMed
    まとめ

    高層のフレームビルは大きな地震で崩壊する可能性がありますが,ベースで隔離された建物は機能を維持するために例外的な設計を必要とします. 両方とも,発生源近くの地震による重大な課題に直面しています.

    関連する概念動画

    Modes of Standing Waves - I01:03

    Modes of Standing Waves - I

    A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This phenomenon...
    Bending Moment Diagram01:30

    Bending Moment Diagram

    A bending moment diagram is a graphical representation of the bending moments experienced by a beam under load along the beam length. It is an essential tool for engineers and designers to analyze structures and ensure they can withstand applied forces. The steps to create the bending moment diagram for a beam are listed below.
    Determine reactive forces and couple moments: Calculate all the reactive forces and couple moments acting on the beam. In certain cases, when the beam is inclined at an...
    Types of Building Separation Joints01:23

    Types of Building Separation Joints

    Building separation joints divide large or complex building structures into smaller, discrete units that can move independently. These joints are categorized into three types: volume-change joints, settlement joints, and seismic separation joints.
    Volume-change joints address the effects of expansion and contraction due to temperature and moisture variations. They are strategically placed at discontinuities in a building's mass where cracking is most likely and are spaced about 150 to 200 feet...
    Posttensioned Masonry Walls01:15

    Posttensioned Masonry Walls


    Post-tensioned masonry walls use high-strength steel rods or flexible tendons to enhance the strength and efficiency of masonry structures. These elements are securely anchored to the foundation and extend vertically either within the cores of the masonry units or between the masonry wythes. The construction process involves building the wall with these tensioning elements in place and allowing the mortar to fully cure.
    Following the curing process, the tensioning begins. Steel rods are...
    Impact Loading on a Cantilever Beam01:13

    Impact Loading on a Cantilever Beam

    The analysis of a cantilever beam with a circular cross-section subjected to impact loading at its free end illustrates the conversion of potential energy from a dropped object into kinetic energy, which is then absorbed by the beam as strain energy. This process is crucial for understanding how materials behave under dynamic loads, which is important in fields such as construction and aerospace.
    When an object is dropped onto the free end of a cantilever, its potential energy due to gravity is...
    Cell-matrix's Response to Mechanical Forces01:13

    Cell-matrix's Response to Mechanical Forces

    In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
    Anchoring junctions mechanically attach a cell to the...