A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
IMPACT-ABSORBING FLOORING
To provide an impact-absorbing flooring that can sufficiently correspond to the risk of femur fracture.SOLUTION: The impact-absorbing flooring 110 has a flooring surface material 111 formed of a hard material and a flooring substrate material 112 formed of a soft material. The soft material of the flooring substrate material 112 has a foam structure with an expansion ratio of 3 times to 20 times and, at a measuring frequency 1 Hz at 25°C, a dynamic viscoelasticity Tanδ of 0.1 to 0.7 and a complex elastic modulus Eof 0.3 Mpa to 10 MPa. In a condition set so that a reference impact load Fs, generated by dropping an impactor to apply an impact to a buffer material, becomes 6500 N, an impact load F, generated when the impactor is dropped to apply an impact via the buffer material, becomes 2000 N or more and 5000 N or less, and an amount of displacement of the flooring substrate material 112 becomes 0.5 mm to 5 mm.SELECTED DRAWING: Figure 1
【課題】大腿骨骨折のリスクに十分に対応することができる衝撃吸収床材を提供する。【解決手段】硬質性材料からなる床上材１１１と、軟質性材料からなる床下地材１１２とを有し、床下地材１１２は、軟質性材料が発泡倍率３倍以上２０倍以下の発泡構造を有すると共に、２５℃における測定周波数１Ｈｚでの動的粘弾性Ｔａｎδが０．１以上０．７以下且つ複素弾性率Ｅ*が０．３ＭＰａ以上１０ＭＰａ以下であり、衝撃付与体を落下させて緩衝材へ衝撃を付与したときに生じる基準衝撃荷重Ｆｓが６５００Ｎとなるように設定された条件において、衝撃付与体を落下させて緩衝材を介して衝撃を付与したときに生じる衝撃荷重Ｆが２０００Ｎ以上５０００Ｎ以下となると共に、床下地材１１２の変位量が０．５ｍｍ以上５ｍｍ以下となる衝撃吸収床材１１０である。【選択図】図１
IMPACT-ABSORBING FLOORING
To provide an impact-absorbing flooring that can sufficiently correspond to the risk of femur fracture.SOLUTION: The impact-absorbing flooring 110 has a flooring surface material 111 formed of a hard material and a flooring substrate material 112 formed of a soft material. The soft material of the flooring substrate material 112 has a foam structure with an expansion ratio of 3 times to 20 times and, at a measuring frequency 1 Hz at 25°C, a dynamic viscoelasticity Tanδ of 0.1 to 0.7 and a complex elastic modulus Eof 0.3 Mpa to 10 MPa. In a condition set so that a reference impact load Fs, generated by dropping an impactor to apply an impact to a buffer material, becomes 6500 N, an impact load F, generated when the impactor is dropped to apply an impact via the buffer material, becomes 2000 N or more and 5000 N or less, and an amount of displacement of the flooring substrate material 112 becomes 0.5 mm to 5 mm.SELECTED DRAWING: Figure 1
【課題】大腿骨骨折のリスクに十分に対応することができる衝撃吸収床材を提供する。【解決手段】硬質性材料からなる床上材１１１と、軟質性材料からなる床下地材１１２とを有し、床下地材１１２は、軟質性材料が発泡倍率３倍以上２０倍以下の発泡構造を有すると共に、２５℃における測定周波数１Ｈｚでの動的粘弾性Ｔａｎδが０．１以上０．７以下且つ複素弾性率Ｅ*が０．３ＭＰａ以上１０ＭＰａ以下であり、衝撃付与体を落下させて緩衝材へ衝撃を付与したときに生じる基準衝撃荷重Ｆｓが６５００Ｎとなるように設定された条件において、衝撃付与体を落下させて緩衝材を介して衝撃を付与したときに生じる衝撃荷重Ｆが２０００Ｎ以上５０００Ｎ以下となると共に、床下地材１１２の変位量が０．５ｍｍ以上５ｍｍ以下となる衝撃吸収床材１１０である。【選択図】図１
IMPACT-ABSORBING FLOORING
衝撃吸収床材
TSUKAMOTO TAKAYUKI (author) / IKEDA TAKASHI (author) / MIYAMOTO SHINICHI (author) / HATTORI SHINJI (author) / ITO YASUMI (author)
2020-05-07
Patent
Electronic Resource
Japanese
IPC:
G01N
Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften
,
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
/
G01L
Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden
,
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE