A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
IMPACT ABSORPTION FLOOR MATERIAL
To provide an impact absorption floor material capable of managing a risk of a fracture of femur sufficiently.SOLUTION: An impact absorption floor material 110 has a floor lifting material 111 constituting a hard material and a floor substrate material 112 constituting a soft material, a thickness of the floor lifting material 111 is 2 mm or more and 20 mm or less, a thickness of the floor substrate material 112 is 4 mm or more and 10 mm or less, a whole thickness is 6 mm or more and 25 mm or less, the floor substrate material 112 has a dynamic viscoelasticity Tanδ 0.1 or more and 0.7 or less at 25°C at a measurement frequency 1 Hz and a complex coefficient of elasticity E0.3 MPa or more and 10 MPa or less, and under the condition that a reference impact load Fs caused when an impact imparting body is dropped to impart the impact to a buffer material is set to be 6500 N, an impact load F caused when the impact imparting body is dropped to impart the impact via the buffer material is 2000 N or more and 5000 N or less.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、床上材１１１の厚さが２ｍｍ以上２０ｍｍ以下、床下地材１１２の厚さが４ｍｍ以上１０ｍｍ以下、全体の厚さが６ｍｍ以上２５ｍｍ以下、床下地材１１２は、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以下となる衝撃吸収床材１１０である。【選択図】図１
IMPACT ABSORPTION FLOOR MATERIAL
To provide an impact absorption floor material capable of managing a risk of a fracture of femur sufficiently.SOLUTION: An impact absorption floor material 110 has a floor lifting material 111 constituting a hard material and a floor substrate material 112 constituting a soft material, a thickness of the floor lifting material 111 is 2 mm or more and 20 mm or less, a thickness of the floor substrate material 112 is 4 mm or more and 10 mm or less, a whole thickness is 6 mm or more and 25 mm or less, the floor substrate material 112 has a dynamic viscoelasticity Tanδ 0.1 or more and 0.7 or less at 25°C at a measurement frequency 1 Hz and a complex coefficient of elasticity E0.3 MPa or more and 10 MPa or less, and under the condition that a reference impact load Fs caused when an impact imparting body is dropped to impart the impact to a buffer material is set to be 6500 N, an impact load F caused when the impact imparting body is dropped to impart the impact via the buffer material is 2000 N or more and 5000 N or less.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、床上材１１１の厚さが２ｍｍ以上２０ｍｍ以下、床下地材１１２の厚さが４ｍｍ以上１０ｍｍ以下、全体の厚さが６ｍｍ以上２５ｍｍ以下、床下地材１１２は、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以下となる衝撃吸収床材１１０である。【選択図】図１
IMPACT ABSORPTION FLOOR MATERIAL
衝撃吸収床材
SANO MAMIKO (author) / IKEDA TAKASHI (author) / MIYAMOTO SHINICHI (author) / HATTORI SHINJI (author) / ITO YASUMI (author)
2020-05-21
Patent
Electronic Resource
Japanese
IPC:
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
G01N
Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften
,
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES