检索结果-南通市图书馆

Lateral Performance for Wood-Frame Shear Walls–A Critical Review

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Renewable Materials 2023年第5期11卷 2143-2169页

作者： Wei Xu Ottavia Corbi Seithati Mapesela Yue Chen milan gaff Haitao Li School of Civil Engineering Nanjing Forestry UniversityNanjing210037China Joint International Research Laboratory of Bio-Composite BuildingMaterials and Structures Nanjing Forestry UniversityNanjing210037China University of Naples Federico II Via Claudio 21Naples80133Italy Department of Furniture Design and Habitat BrnoMendel University in BrnoBrno61300Czech Republic Department of Wood Processing Faculty of Forestry and Wood SciencesCzech University of Life Sciences PragueSuchdol16521Czech Republic

Wood is a green material in line with the sustainable development *** the excellent performance of engineering wood products,modern wood structures represented by light wood structures have gained more development *** an indispensable part of light wood structure systems,the wood-frame shear wall plays a vital role in the bearing capacity and earthquake resistance of light wood structure *** paper is focused on a review of the lateral performance of wood-frame shear walls and classifies the influencing factors in relevant experimental research into three categories,including internal factors such as shear wall structure,external factors such as test scheme,and other factors of material production and test ***,the research prospects in this field were introduced based on the summary of the research *** work can be a reference for further research on the lateral performance of wood-frame shear walls.

关键词： Light wood structure lateral performance shear wall basic structure influence factor

Research and Application Progress of Straw

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Renewable Materials 2023年第2期11卷 599-623页

作者： Ben Chen Sarah Mohrmann Haitao Li milan gaff Rodolfo Lorenzo Ileana Corbi Ottavia Corbi Kaidong Fang Min Li College of Civil Engineering Nanjing Forestry UniversityNanjing210037China Joint International Research Laboratory for Bio-Composite Building Materials and Structures Nanjing Forestry UniversityNanjing210037China Department of Furniture Design and Habitat BrnoMendel University in BrnoBrno61300Czech Republic University College London LondonWC1E6BTUK University of Naples Federico II Naples80133Italy Lianyungang Baolisen Industrial Co. Ltd.Lianyungang222500China

Straw is a general term for the stem and leaf parts of mature crops,and is a multi-purpose renewable biomass energy resource in the agricultural *** prospect of comprehensive utilization of straw has become broad with the development of agricultural production,the advancement of science and technology,and the improvement of the level of agricultural *** comprehensive utilization of straw plays an important role in enhancing the sustainable development ability of agricultural economy and improving the current situation of comprehensive utilization of agricultural resources in my *** paper briefly combs the development history of straw and the prospect and current situation of comprehensive utilization,and expounds the separation technology of straw components,straw man-made panels,straw concrete,straw returning technology and oyster mushroom *** focuses on the description of the component separation technology of straw and the manufacturing process of straw-based *** different separation methods and separation effects of cellulose,hemicellulose and lignin were introduced in detail,and the static yield strength(MOR),internal bonding strength(IB)and water absorption thickness of several common straw-based panels were compared and studied(TS).Finally,it summarizes the benefit analysis of the comprehensive utilization of straw by scholars from the perspective of economics,and summarizes the corresponding measures based on their own views.

关键词： Straw comprehensive utilization component separation technology straw-based panel straw concrete

Properties and Applications of Bamboo Fiber—A Current-State-of-the Art

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Renewable Materials 2022年第3期10卷 605-624页

作者： Chen Chen Haitao Li Assima Dauletbek Feng Shen David Hui milan gaff Rodolfo Lorenzo Ileana Corbi Ottavia Corbi Mahmud Ashraf College of Civil Engineering Nanjing Forestry UniversityNanjing210037China Joint International Research Laboratory for Bio-Composite Building Materials and Structures Nanjing Forestry UniversityNanjing210037China Jiangsu Fiber Composite Co. Ltd.Yancheng224700China Department of Mechanical Engineering University of New OrleansLos Angeles70148USA Department of Wood Processing Faculty of Forestry and Wood SciencesCzech University of Life Sciences PragueSuchdol16521Czech Republic University College London LondonWC1E 6BTUK University of Naples Federico II Naples80133Italy Deakin University GeelongWaurn PondsVIC 3216Australia

Fibers are used in many forms in engineering applications–one of the most common being used as *** to its renewable short natural growth cycle and abundance of bamboo resources,bamboo fiber has attracted attention over other natural *** fiber has a complex natural structure but offers excellent mechanical properties,which are utilized in the textile,papermaking,construction,and composites ***,bam-boo fibers can easily absorb moisture and are prone to corrosion limiting their use in engineering ***,a better understanding of bamboo fiber is particularly *** paper reviews all existing research on the mechanical characterization of bamboo fiber with an emphasis on the extraction and treatment techniques,and their effect on relevant *** chemical composition of bamboo fibers has also been thoroughly investigated and presented *** applications and future opportunities for bamboo fibers in various fields have been presented with a focus on research *** work can serve as a reference for future research on bamboo fiber.

关键词： Bamboo fiber chemical composition structure production method properties application

The Characteristics of Glued Tensile Shear Strength Constituted of Wood Cut by CO_(2) Laser

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Renewable Materials 2023年第8期11卷 3277-3296页

作者： Fatemeh Rezaei milan gaff Róbert Nemeth Jerzy Smardzewski Peter Niemz Haitao Li Anil Kumar Sethy Luigi Todaro Gourav Kamboj Sumanta Das Roberto Corleto Gianluca Ditommaso Miklós Bak Department of Wood Processing Faculty of Forestry and Wood SciencesCzech University of Life Sciences PraguePrague16521Czech Republic Department of Wood Science and Engineering Oregon State UniversityCorvallisORUSA Department of Furniture Design and Habitat BrnoMendel University in BrnoBrno61300Czech Republic Experimental Centre Faculty of Civil EngineeringCzech Technical University in PraguePrague16629Czech Republic Institute of Wood Technology and Technical Sciences University of SopronSopron9400Hungary Department of Furniture Design Faculty of Forestry and Wood TechnologyPoznan University of Life SciencesPoznan60637Poland ETH Zurich Institute for Building MaterialsLulea University of TechnologyZurichCH8093Switzerland School of Civil Engineering Nanjing Forestry UniversityNanjingChina Joint International Research Laboratory of Bio-Composite BuildingMaterials and Structures Nanjing Forestry UniversityNanjingChina Wood Properties and Processing Institute of Wood Science and TechnologyBangalore560003India School of Agricultural Forestry Foodand Environmental ScienceUniversity of BasilicataPotenza85100Italy

The performance of engineered wood products is highly associated with proper bonding and an efﬁcient cutting *** paper investigates the inﬂuence of CO_(2) laser cutting on the wetting properties,the modiﬁed che-mical component of the laser-cut surface,and the strength and adhesive penetration near the ***-wood is cut by the laser with varying processing parameters,cutting speeds,gas pressures,and focal point *** laser-cut samples were divided into two groups,sanded and non-sanded *** acetate adhesive(PVAc)was used to bond the groups of laser-cut *** assembly with cold pressing,the tensile shear test was carried *** modelling was carried out to determine the partial elongation and shear strain of the glue *** on this,the shear modulus and linear elasticity of the glue line were ***-ning electron microscopy was used to assess the adhesive penetration into the porosity structure of the laser-cut samples,and the depth of the heat-affected *** laser-cut surface was analysed by Fourier transform infrared *** wetting properties of the laser-cut surface were investigated by using a contact angle *** numerical model of the strain-stress curve conﬁrmed the experimental *** highest modulus of the linear elasticity of the glue in the numerical calculation belongs to the joint containing laser-cut samples at a gas pressure of 21(bar).The penetration depth of PVAc adhesive into the porosity structure of the laser-cut sam-ples was similar to that of sawn *** deepest heat-affected zone in the laser-cut samples was 150µm.A PVAc drop disappeared immediately on the laser-cut surface without sanding,but gradually on the sanded *** contrast,the drop on the sawn surface remained with an angle of 32°–48°.The degradation of hemi-cellulose and lignin was proven by the lower intensity of the C=O and C-O Bonds,compared to the sawn surface.

关键词： CO_(2)laser cutting speed focal point position gas pressure glued tensile shear strength