IN-PLANE DYNAMIC CHARACTERISTICS OF WOODEN DIAPHRAGMS (Part I)

Suzuki, Shuzo; Fujino, Eiichi; Noguchi, Hiroyuki

doi:10.3130/aijs.60.119_1

Cited by 2 publications

(1 citation statement)

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“…Dolan et al (1999) further clarified this standard by tracking the performance of these floor samples and proposed a standard of greater than 14 Hz for occupied wooden floors. Suzuki et al (1995) conducted an excitation test with the vibration exciter and shaking table for an 11.18 by 6.38 m full-scale wooden floor, showing that the shear vibration theory could more accurately calculate the in-plane natural frequency and mode of the wooden floor. Filiatrault et al (2002) also conducted a low-cycle test on the wooden floor of a full-scale two-story wooden frame house to study the influence of floor parameters on in-plane internal stiffness.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on flexural behavior of box floors with orthogonal rib beams made of poplar laminated veneer lumber

Chen

Liu

et al. 2022

BioRes

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This study examined the flexural behavior of the poplar laminated veneer lumber (LVL) box floor with orthogonal rib beams. Four 3.6 m × 4.8 m box floor samples made of poplar LVL orthogonal rib beams and oriented strand board (OSB) plates were tested under vertical uniform loading, from which the bearing capacity, stiffness, and failure characteristics were analyzed. There was no damage in all box floor samples at the normal service load of 2.5 kN/m2, and the maximum deflection was far less than the allowable value. When the maximum load was applied, the load-displacement curve of each floor sample exhibited a linear relationship without obvious failure. However, localized failure was manifested as the dislocation slip of the rib beams relative to the upper and lower floor slabs at the corner nodes and the joint expansion and staggered floors at the bottom plate, with obvious failure signs. The rib beam height had the most significant impact on the floor stiffness, followed by the spacing of short-side rib beams, whereas the OSB plate thickness had lest impact. The mid-span deflections of poplar LVL orthogonal ribbed box floor samples, which were calculated using the analog slab method, were in good agreement with the experimental results with an error being less than 10%.

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Section: Introductionmentioning

confidence: 99%