Open Access
ARTICLE
Hui Zheng1,2, Xiaohan Chen2, Li Li2, Dawei Qi1, Jiale Wang1, Jiaying Lou1,*, Wenjun Wang1,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027748
（This article belongs to this Special Issue: Active and Intelligent Food Packaging Films)
Abstract The issue of plastic pollution has attracted widespread social attention. Gelatin is valued as a degradable bio-based
material, especially as an edible active packaging material. However, the commonly used solution-casting filmforming technology limits the mass production of gelatin films. In order to improve the production efficiency
and enhance the commercial value of gelatin films, in this study, fish gelatin (FG) particles were successfully
blended with essential oils (EOs) to prepare active films by melt extrusion technique, a common method for commercial plastics, and applied to bread preservation. FG and EOs showed good compatibility with each other. The
elongation at break… More >
Open Access
ARTICLE
Jianping Deng1, Qianqian Zhang1, Yuling Lan1, Lingcong Luo1, Zimin Dai1, Zhonghang Lin1, Zhixin Lu1, Jiancheng Yuan1, Yiqi Fu1, Lu Luo2,*, Weigang Zhao1,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027163
（This article belongs to this Special Issue: Advanced Renewable Energy Storage Materials and Their Composite: Preparation, Characterization and Applications)
Abstract The development and utilization of biomass and agroforestry processing byproducts for high-value applications
have been an important topic in the field of renewable materials research. Based on this, a two-step microwave
hydrothermal pre-carbonization and KOH activation method was proposed to synthesize tannin-based activated
carbons with a high specific surface area, hierarchical pore structure, and good electrochemical performance. The
microstructure, texture properties, and physicochemical characteristics were investigated. The results show that
the prepared tannin-based activated carbons presented a hierarchical pore structure (micro- and mesopores) with
a specific surface area as high as 997.46 m3 g−1
. The electrochemical analysis shows that… More >
Open Access
ARTICLE
Bengang Zhang1,*, Antonio Pizzi2,*, Mathieu Petrissans1, Anelie Petrissans1, Baptiste Colin1
Journal of Renewable Materials, DOI:10.32604/jrm.2023.028888
Abstract Melamine-dialdehyde starch resins used for wood surface finishes have been developed. The reaction of melamine
with dialdehyde starch has been shown to occur by FTIR and MALDI ToF spectrometry, with several oligomer
species due to the reaction of the two materials being identified, and the resin thermal stability was studied by
thermogravimetric analysis. The resins were prepared by two different procedures when it was realized that dialdehyde starch is sensitive to too high a temperature for prolonged times. The melamine-dialdehyde starch resins
were applied on particleboard supports as a direct liquid surface finish and a resin-impregnated paper. The surface finishes… More >
Open Access
ARTICLE
Mahdi Hosseini1,2,*, Bingyu Jian1,2, Jian Zhang3, Haitao Li1,2,*, Rodolfo Lorenzo4, Ahmad Hosseini5, Pritam Ghosh5, Feng Shen6, Dong Yang1,2, Ziang Wang1,2
Journal of Renewable Materials, DOI:10.32604/jrm.2023.028164
Abstract The safety of civilian and military infrastructure is a concern due to an increase in explosive risks, which has led to
a demand for high-strength civil infrastructure with improved energy absorption capacity. In this study, a Finite
Element (FE) numerical model was developed to determine the effect of hybrid Fibre Reinforced Polymer (FRP)
as a strengthening material on full-scale Reinforced Concrete (RC) slabs. The reinforcing materials under consideration were Carbon (CFRP) and Glass (GFRP) fibres, which were subjected to blast loads to determine the structural response. A laminated composite fabric material model was utilized to model the failure of composite,… More >
Open Access
SHORT COMMUNICATION
Qixian Zhang#, Yi Guo#, Huicong Liu, Weiping Li, Liqun Zhu, Haining Chen*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027730
（This article belongs to this Special Issue: Perovskite Solar Cells)
Abstract All-inorganic CsPbI3 perovskite has attracted wide attention due to its desirable optical bandgap (Eg: ∼1.7 eV) as
well as high chemical stability. Nevertheless, the photovoltaic performance of CsPbI3 perovskite solar cells (PSCs)
was limited by severe nonradiative charge recombination due to high defect density at the grain boundary and
surface of perovskite films. To address this issue, a pyrrolidinium iodide (PyI) molecule was introduced to modify
the surface and grain boundary of CsPbI3 perovskite films to passivate defects, which improves the quality of
CsPbI3 perovskite films as well as induces the generation of a quasi-2D Py2CsPb2I7 capping layer between perovskite… More >
Open Access
ARTICLE
S. E. Burruel-Ibarra1, R. A. Esquer-Osuna2, R. G. Valdez-Melchor2, D. A. Cuevas-Acuña2, L. QuihuiCota3, J. Juárez4, J. C. Campos-García2, E. Valbuena-Gregorio2, M. A. López-Mata2,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027372
（This article belongs to this Special Issue: Advancement of Biopolymers in Biomedical Materials)
Abstract This study aimed to characterize the physical-chemical and biological properties of pectin (PC)/chia seed mucilage (CM) membranes. PC/CM [100/0 (control), 80/20%, 60/40%, and 40/60% w/w] membranes were prepared
using the casting method. The membranes (PC/CM) were thin, yellow, lightly opaque (≈10%) and capable of
blocking light UVB (between 66 at 52%). SEM analysis showed the presence of aggregates in the shape of a sphere
(≈13 µm) and ovoid (≈25 µm). The proportion of 80/20 showed an increase in tensile strength (29%) and elastic
modulus (19%) when compared to the control. FTIR analysis exhibited intermolecular interactions between PCPC, PC-CM, and CM-CM… More >
Open Access
ARTICLE
Na Yao1, Haiyang Ding1,2,*, Mei Li1, Shouhai Li1,2, Lina Xu1, Xiaohua Yang1
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026823
Abstract It is of considerable significance to develop efficient and environmentally friendly machinery lubricant additives
because of the increasing depletion of petrochemical resources and severe environmental problems. Herein, we
proposed a facile strategy to synthesize a multifunctional vegetable oil-based lubricant via the lignin derivative
vanillin coupled to amine and diethyl phosphite to produce a lubricating additive with both extreme pressure
and antioxidant properties. Compared with pure tung oil, the lubricating and antioxidant performance of tung
oil is significantly improved after adding additives. Adding the 1.0 wt% additive to the tung oil reduced the friction wear coefficient and the volume, and the… More >
Open Access
REVIEW
Abdulmoseen Segun Giwa1,*, Mingqiang Sheng2, Ndungutse Jean Maurice3, Xinxin Liu1, Zelong Wang1, Chang Fengmin4, Bo Huang4, Kaijun Wang4
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026314
Abstract Globally, fossil fuel dependence has created several environmental challenges and climate change. Hence, creating
other alternative renewable and ecologically friendly bio-energy sources is necessary. Lignocellulosic biomass has
gained significant attention recently as a renewable material for biofuel production. The large amounts of plantain
and banana plant parts wasted after harvesting, as well as the peels generated daily by the fruit market and industries, demonstrate the potential of bioenergy resources. This review briefly assesses plantain and banana plant biomass (PBB) generated in the developing, developed, and underdeveloped countries, the consumable parts, and
feasible products yield. It emphasized the advantages and disadvantages… More >
Open Access
REVIEW
Kakudji Kisimba1, Anand Krishnan2,*, Mbuso Faya1, Kahumba Byanga3, Kabange Kasumbwe4, Kaliyapillai Vijayakumar5, Ram Prasad6,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026159
（This article belongs to this Special Issue: New Insights on Nanomaterials for Energy, Environmental and Agricultural Applications)
Abstract Nanoparticles have distinct properties that make them potentially valuable in a variety of industries. As a result,
emerging approaches for the manufacture of nanoparticles are gaining a lot of scientific interest. The biological pathway of nanoparticle synthesis has been suggested as an effective, affordable, and environmentally safe method.
Synthesis of nanoparticles through physical and chemical processes uses unsafe materials, expensive equipment
and adversely affects the environment. As a result, in order to support the increased utilization of nanoparticles
across many sectors, nanotechnology research activities have shifted toward environmentally safe and cost-effective
techniques that outperform chemical and/or biological procedures. The use… More >
Open Access
ARTICLE
Ye Fu1, Liwen Deng1,*, Jinbo Hu2,3,*, Ti Li3, Shanshan Chang2
Journal of Renewable Materials, DOI:10.32604/jrm.2023.028454
（This article belongs to this Special Issue: Computational Tools for Renewable Materials)
Abstract In the study, it is proposed that a coordinate-parametric matrix model is performed to a square-conjoint pattern
of cross woven (SCPCW) in the bamboo mat. The patterns of SCPCW are firstly detected according to the
perspective of configuration, which is divided into the basic-monomer shape and the basic combination shape.
Secondly, the compositions of design patterns in SCPCW are analyzed to attain the trend of curve shape. Based
on the coordinate-parametric matrix model, the specimens of SCPCW are subsequently accomplished to
elaborate the woven logic of bamboo mats. The digital innovation of SCPCW, defined by a mathematical
resolution, is implemented… More >
Open Access
ARTICLE
Jianwei Zhang1, Yue Yin1, Lei Shi1, Yi Han2, Mi Zhou3,*, Xihong Zhang4
Journal of Renewable Materials, DOI:10.32604/jrm.2023.025436
Abstract Dust is an environmental and health hazard. In this study, a new technology for dust suppressant is introduced
using soybean urease with an optimal cementing solution. Calcium carbonate is produced by soybean urease and
cementing solution, which bonds the soil particles towards a dust suppressant. A laboratory wind tunnel test is
carried out to examine its effectiveness and discover possible optimization solutions. Several factors, including
soybean meal concentration, cementing solution concentration, and volume of solution per unit area, are examined to quantify their influences on soil transport mass, evaporation ratio, evaporation rate, surface strength,
water retention ratio, and infiltration rate… More >
Open Access
ARTICLE
Maoxia Chen1,2,*, Qixuan Zhou1, Jiayue Zhang1, Jiaoyang Li1, Wei Zhang1, Huan Liu1
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027826
Abstract Thermal alkaline hydrolysis is a common pretreatment method for the utilization of excess activated sludge
(EAS). Owing to strict environment laws and need for better energy utilization, new methods were developed
in this study to improve the efficiency of pretreatment method. Direct thermal hydrolysis (TH), pasteurized thermal hydrolysis (PTH), and alkaline pasteurized thermal hydrolysis (PTH + CaO and PTH + NaOH) methods
were used to treat EAS. Each method was compared and analyzed in terms of dissolution in ammonium nitrogen
(NH4
+
-N) and soluble COD (SCOD) in EAS. Furthermore, the removal of tetracycline resistance genes (TRGs)
and class 1… More >
Open Access
ARTICLE
Wenjing Xia1,*, JinHui Wang1, Tao Xu1, Nan Jiang2
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026971
（This article belongs to this Special Issue: Environmentally Friendly and Renewable Civil Engineer Materials)
Abstract To understand the effects of filler-asphalt ratio on different properties of lignin and polyester fiber reinforced
shape memory polyurethane (SMPU)/styrene butadiene styrene (SBS) composite modified asphalt mortar
(PSAM), as well as to reveal the reinforcing and toughening mechanisms of lignin and polyester fibers on PSAM,
SMPU, SBS and mineral powder were first utilized to prepare PSAM. Then the conventional, rheological and anticracking properties of lignin fiber reinforced PSAM (LFAM) and polyester fiber reinforced PSAM (PFAM) at different filler-asphalt ratios were characterized. Test results indicate that the shear strength, deformation resistance
and viscosity are increased after adding 0.8wt% lignin fiber or… More >
Open Access
ARTICLE
Jiahao Wang1, Jie Zhou2, Zhengping Zhao2,*, Feng Chen1, Mingqiang Zhong1
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027278
Abstract Three-dimensional C/SiOx nanofiber anode was prepared by polydimethylsiloxane (PDMS) and polyacrylonitrile
(PAN) as precursors via electrospinning and freeze-drying successfully. In contrast to conventional carbon covering Si-based anode materials, the C/SiOx structure is made up of PAN-C, a 3D carbon substance, and SiOx loading steadily on PAN-C. The PAN carbon nanofibers and loaded SiOx from pyrolyzed PDMS give increased
conductivity and a stable complex structure. When employed as lithium-ion batteries (LIBs) anode materials,
C/SiOx-1% composites were discovered to have an extremely high lithium storage capacity and good cycle performance. At a current density of 100 mA/g, its reversible capacity remained at… More >
Open Access
ARTICLE
Zhuoli Yang1, Xianbin Hou2, Leyang Dai2,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.025723
（This article belongs to this Special Issue: Carbon-Based Nanomaterials from Renewable Materials: Synthesis, Properties and Applications)
Abstract Plasma-assisted ball milling was carried out on the Al+C3H6N6 system and Al+C4H4N4 system, respectively. The
phase structure, functional groups and synthesis mechanism were analyzed by XRD and FT-IR, and the differences in the synthesis process of nano-AlN with different solid nitrogen sources were discussed. The results show
that C3H6N6 has a stable triazine ring structure, and its chemical bond is firm and difficult to break, so AlN cannot be synthesized directly by solid-solid reaction at room temperature. However, there are a large number of
nitrile groups (-CN) and amino groups (-NH2) in C4H4N4 molecules. Under the combined action of plasma… More >
Open Access
ARTICLE
Sri Hidayati1,*, Eugenia Fonny Budiyanto1, Hadi Saputra1, Sutopo Hadi1, Apri Heri Iswanto2,3, Nissa Nurfajrin Solihat4, Petar Antov5, Lee Seng Hua6,7, Widya Fatriasari4,8, Mohd. Sapuan Salit9
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027579
（This article belongs to this Special Issue: Advances in Eco-friendly Wood-Based Composites: Design, Manufacturing, Properties and Applications)
Abstract Black liquor is obtained as a by-product of the pulping process, which is used to convert biomass into pulp by
removing lignin, hemicelluloses and other extractives from wood to free cellulose fibers. Lignin represents a major
constituent in black liquor, with quantities varying from 20% to 30%, of which a very low share is used for manufacturing value-added products, while the rest is mainly burned for energy purposes, thus underestimating its
great potential as a raw material. Therefore, it is essential to establish new isolation and extraction methods to
increase lignin valorization in the development of bio-based chemicals. The aim… More >
Open Access
ARTICLE
Huiling Fu1, Mijun Peng2, Qiuwen Tang2, Haojun Liang2, Yanli Liang2, Jiali Fang2,*, Xuesong Wang2,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026689
（This article belongs to this Special Issue: Renewable Biomass as a Platform for Preparing Green Chemistry)
Abstract To ensure the export quality of Eucommia ulmoides leaf extract (ELE) and facilitate E. ulmoides leaf inclusion in
the directory of traditional Chinese health foods, an overall safety assessment of ELE was performed, including
genotoxicity and long-term toxicity, according to the national food safety standards of China. No variations in the
reverse mutation number of the nominal bacterial strains were observed under ELE treatment in comparison with
the solvent control. Additionally, the micronucleus rates of in vivo mammalian erythrocytes and in vitro mammalian cells under ELE treatment were equivalent to or significantly lower than those of the solvent control. The… More >
Open Access
REVIEW
Yue Chen1,2, Haitao Li1,2,*, Lei Gao3,*, Wei Xu1,2, Rodolfo Lorenzo4, Milan Gaff5,6
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027634
Abstract Bamboo is an eco-friendly material with light weight, high strength, short growth cycle and high sustainability,
which is widely used in building structures. Engineered bamboo has further promoted the development of modern bamboo structures due to its unrestricted size and shape. However, as a fiber-reinforced material, fracture
damage, especially Mode I fracture damage, becomes the most likely damage mode of its structure, so Mode I
fracture characteristics are an important subject in the research of mechanical properties of bamboo. This paper
summarizes the current status of experimental research on the Mode I fracture properties of bamboo based on the
three-point… More >
Open Access
ARTICLE
Liefei Pei1,2, Xiangyun Zhang1, Zizhou Yuan1,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.025760
Abstract Iron-based amorphous crystalline powder Fe78Si9B13AP is used as a permeability reaction barrier (PRB) combined
with an electrokinetic method (EK-PRB) to study the removal rate of Cu in contaminated soil. After treating Cucontaminated soil for 5 days under different voltage gradients and soil water content, the soil pH is between
3.1 and 7.2. The increase of voltage gradient and soil water content can effectively promote the movement of
Cu2+ to the cathode. The voltage gradient is 3 V/cm, and the water content of 40% is considered to be an optional
experimental condition. Therefore, under this condition, the effects of Fe78Si9B13AP and… More >
Open Access
ARTICLE
Medta Boupan1,2, Kanyapak Prompang1, Achiraya Chompunuch1, Piwat Boonma1, Arthit Neramittagapong1,2,3,4, Somnuk Theerakulpisut5, Sutasinee Neramittagapong1,2,3,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026397
（This article belongs to this Special Issue: Value-Added Chemicals and Renewable Materials from Pyrolysis of Organic Solid Wastes: Mechanism, Production, Upgrading, and Application)
Abstract Isosorbide is a multi-purpose chemical that can be produced from renewable resources. Specifically, it has been
investigated as a replacement for toxic bisphenol A (BPA) in the production of polycarbonate (PC). In this study,
the synthesis of isosorbide by sorbitol dehydration using a cerium-based catalyst derived from calcined
cerium (IV) sulfate (300°C, 400°C, 450°C, 500°C, and 650°C) was investigated. The reaction occurred in a
high-pressure reactor containing nitrogen gas. Advanced instrumental techniques were applied to analyze the
characteristics of the calcined catalyst. The results showed that the calcined catalysts demonstrated different
crystalline structures and sulfate species at different temperatures. However,… More >
Open Access
REVIEW
Nurul Anis Athirah Ab Aziz*, Chin Wei Lai*, Boon Hoong Ong
Journal of Renewable Materials, DOI:10.32604/jrm.2023.025899
（This article belongs to this Special Issue: Carbon-Based Nanomaterials from Renewable Materials: Synthesis, Properties and Applications)
Abstract Nowadays, corrosion is not only undesirable, but it also has a significant influence on the industrial sectors and
technical innovations that have demand for metals. The global economic damage is expected to reach $2.5 trillion,
equivalent to more than 3.4% of the world’s GDP in 2013. It is linked with significant financial harm, manufacturing pollution, and safety issues. An electrochemical process primarily induces metal corrosion at the metalelectrolyte interface region, caused by steel oxidation and the reduction of oxygen, protons, and water. Therefore,
organic and epoxy coatings can be applied as protective coatings. Additionally, it can prevent metal corrosion in… More >
Open Access
ARTICLE
Rafal A. Hadi1,*, Suhad M. Abd2, Hadee Mohammed Najm3, Shaker Qaidi4,5,*, Moutaz Mustafa A. Eldirderi6, Khaled Mohamed Khedher7,8
Journal of Renewable Materials, DOI:10.32604/jrm.2023.025558
（This article belongs to this Special Issue: Potential Materials Towards Sustainable Construction)
Abstract Recent years have witnessed an increase in the quantity of waste glass (WG) across the globe. Replacing the fine
aggregate with WG is one of the steps toward preserving the natural resources of the environment and creating
low-cost concrete. The present study is concerned with replacing fine aggregates with glass powder (GP) at (0%,
15%, 30%, and 50%). It has studied the fresh and hardened properties (compressive strength, tensile strength,
hardened density, and slump) for all the mentioned percent replacements. The findings have shown that all mixtures containing GP gave acceptable slump results within the design limits (2–5 cm) according… More >
Open Access
ARTICLE
Yatim Lailun Ni’mah*, Nabila Eka Yuningsih, Suprapto Suprapto
Journal of Renewable Materials, DOI:10.32604/jrm.2023.025431
Abstract The adsorption of Pb(II) on silica gel synthesized from chemical glass bottle waste has been studied. The effect of
independent variables (adsorbent dose, initial concentration of Pb(II), contact time, and pH) on the Pb(II)
removal from water was evaluated and optimized using the Response Surface Methodology (RSM). Under optimized conditions (adsorbent dose: 20 mg; contact time: 30 min; initial Pb(II) concentration: 120 mg. L−1
; and pH:
8), the removal of Pb(II) was 99.77%. The adsorption equilibrium data obtained from the batch experiment were
investigated using different isotherm models. The Langmuir isotherm model fits the experimental data. This
shows that… More >
Open Access
ARTICLE
Elham Azadeh1, Antonio Pizzi1,2,*, Christine Gerardin-Charbonnier1,*, Philippe Gerardin1
Journal of Renewable Materials, DOI:10.32604/jrm.2023.027651
Abstract Non-isocyanate polyurethane (NIPU) foams from a commercial hydrolysable tannin extract, chestnut wood
tannin extract, have been prepared to determine what chemical species and products are taking part in the
reactions involved. This method is based on two main steps: the reaction with dimethyl carbonate and the
formation of urethane bonds by further reaction of the carbonated tannin with a diamine-like hexamethylene
diamine. The hydroxyl groups on the tannin polyphenols and on the carbohydrates intimately linked with it
and part of a hydrolysable tannin are the groups involved in these reactions. The carbohydrate skeleton of the
hydrolysable tannin is also able… More >
Open Access
ARTICLE
Shuang Zhao1, Shenglan Chen2, Shuan Ren1, Gang Li3, Ke Song1,4, Jie Guo1,4, Shima Liu1,4, Jian He1,4, Xianwu Zhou1,4,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026066
（This article belongs to this Special Issue: Polylactide Based Biopolymeric Systems)
Abstract Petroleum-based materials, such as plastic, are characterized by adverse environmental pollution; as a result,
researchers have sought alternative degradable plastics that are environmentally friendly, such as polylactic acid
(PLA). PLA has shown great potential to replace petroleum-based plastics. In this study, seven different samples
of unmodified Pueraria lobata root powder (PRP) with different contents (i.e., 0, 5, 10, 15, 20, 25, and 30 wt%)
and three different modified PRPs (i.e., treated with NaOH, NaOH-KH-550, and Formic) were used to reinforce
polylactic acid (PLA) via solution casting process. These prepared PRP/PLA composite films were characterized
using SEM, FTIR, UV-visible spectra analysis,… More >
Open Access
ARTICLE
Qiushi Li1,2,#, Ronggang Luo1,2,#, Yu Chen3, Jinhui Xiong3, Bei Qiao1, Xijuan Chai1,2, Linkun Xie1,2, Juan Wang3, Lianpeng Zhang1,2,*, Siqun Wang4, Guanben Du1,2, Kaimeng Xu1,2,*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.026184
Abstract To overcome the shortage of wood resources as well as to develop novel natural fibers materials, the Chimonobambusa quadrangularis (CQ) and Qiongzhuea tumidinoda (QT) planted in Southwest China were effectively isolated by the steam explosion (SE). The fine and uniform bamboo microfibers derived from CQ and QT were
obtained, and their smallest average widths were 12.62 μm and 16.05 μm, respectively. The effects of steam explosion on the micro-morphology, chemical composition, thermal stability, crystallinity, surface wettability, and
mechanical properties of bamboo microfibers were comprehensively investigated. The results showed that the
relative content of cellulose in bamboo microfibers increased but the… More >
Open Access
ARTICLE
Yuhang He, Rongzhuo Zhang, Yifan Zhang, Zheng Wang*
Journal of Renewable Materials, DOI:10.32604/jrm.2023.025867
（This article belongs to this Special Issue: Bio-Composite Materials and Structures-2021)
Abstract In order to better meet the objective requirements of the use safety of the high-rise glulam building floor structure
and the living comfort of the residents, the transient excitation, environmental excitation and frequency spectrum
identification methods were used to carry out experimental modal test in-site on the three rooms numbered A, B
and C of the same glulam structural building. The three rooms have different functions, different floor sizes and
different floor supporting structures. The research results have shown that the first-order bending frequency of
the floor structure of Room A is 27.50 Hz, the transverse second-order bending frequency is… More >
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