Article
Chemistry, Physical
Xiang Yu, Hongbo Lu, Jie Peng, Jinming Ren, Yongmin Wang, Junhao Chen
Summary: This study investigated the enhancement of cement-solidified soil using hydroxylated lignin with sodium silicate and quicklime used as activators. The results suggest that modified lignin-based admixtures may significantly enhance the performance of cement-solidified soil.
Article
Construction & Building Technology
Jinyang Jiang, Fengjuan Wang, Lanxin Wang, Jiawen Zhang, Liguo Wang
Summary: This study found that polyaniline modified lignin (PL) can be used as a new lignin additive to enhance the dispersion of cement system and maintain good mechanical properties. Appropriate dosage of PL can improve dispersion and fluidity, while excessive content can decrease strength. The dispersion mechanism is attributed to electrostatic repulsion and steric effect.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Polymer Science
Yushan Chen, Pengfei Tang, Chen Zhong, Laibao Liu, Yunsheng Zhang, Youhong Tang, Hongping Zhang
Summary: This study reported a naturally high-efficiency retarder, konjac glucomannan (KGM), which could significantly prolong cement hydration without strength damage. The active hydroxyl group (-OH) in KGM could chelate with Ca2+ released from cement hydration to form a cross-linking network, thereby delaying the process of cement hydration and reducing the heat of hydration. The findings of this study are critical to the development of polysaccharide-cement-based composite materials for application in various special environments.
Article
Agricultural Engineering
Jordi Girones, Loan T. T. Vo, Gregory Mouille, Joan Onate Narciso, Stephanie Arnoult, Maryse Brancourt-Hulmel, Patrick Navard, Catherine Lapierre
Summary: This study investigates the impact of lignin and arabinoxylan from miscanthus biomass on the hydration of Portland cement. The results show that the addition of these polymers delays cement hydration, and their co-addition has a more substantial effect.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Construction & Building Technology
YaChao Wang, Mingrui Xu, JiangPing Zhao, A. Xin
Summary: In this study, nano-ZnO/melamine polyphosphate co-doped silica fume-based geopolymer composite coatings were fabricated for flame-retarding plywood. The results showed that an appropriate dosage of nano-ZnO enhanced flame retardancy by initiating the formation of ceramic-like Si/C/P residues. This study provides an efficient approach for recycling metallurgical solid waste and quantitatively probing the Si/C/P residues.
CONSTRUCTION AND BUILDING MATERIALS
(2022)
Article
Chemistry, Physical
Simona Ravaszova, Karel Dvorak, Danute Vaiciukyniene, Martin Sisol
Summary: This article discusses the development of an alternative method for determining the grindability index of fine-grained materials. The new method replaces the commercially used VTI method and uses a modern planetary mill and laser granulometry. The results showed that the new method is effective and provides a new classification of materials based on their grindability indexes.
Article
Engineering, Chemical
Vedat Deniz
Summary: In this study, the grinding behavior of six different limestone samples was investigated using a Hardgrove mill. It was found that the volumetric powder filling has a significant impact on grindability, and a good relationship was established between HGI and Gbg.
MINERALS ENGINEERING
(2022)
Review
Polymer Science
Victor Rezende Carvalho, Lais Cristina Barbosa Costa, Bruno Eduardo Lobo Baeta, Ricardo Andre Fiorotti Peixoto
Summary: This study focuses on the development of lignin-based admixtures (LBAs) for cement-based composites through scientometric analysis and qualitative discussion. The research identified significant sources, keywords, scholars, and countries contributing to the LBAs research. The study also revealed that most LBAs developed so far are based on Kraft lignins from pulp and paper mills, and more attention should be paid to residual lignins from biorefineries.
Article
Construction & Building Technology
Kalina Materak, Alicja Wieczorek, Dalia Bednarska, Karolina Chalupka-Spiewak, Magdalena Malecka, Adam Buczkowski, Marcin Koniorczyk
Summary: The presented research investigates the application of potassium methylsiliconate (MESI) as a set-retarding admixture for cement-based materials. The study found that the addition of MESI can delay the setting time of cement, prolong the induction period of cement hydration, and delay the cement hydration at high temperatures. Additionally, MESI has a significant impact on the compressive strength of cement mortar and concrete, improving their strength. The research also revealed the influence of MESI on the microstructure and pore size distribution of cement pastes.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Engineering, Environmental
N. A. Zakaria, M. Hazwan Hussin, A. L. Ahmad, C. P. Leo, Phaik Eong Poh, Kourosh Behzadian, Isaac I. Akinwumi, Alireza Moghayedi, Joaquin Diazsolano
Summary: In this study, lignin was dissolved in NaOH solution and coated on PVDF membrane to improve the filtration of oily water. The membrane modified with 0.75 wt% lignin showed a permeate flux of 70 L.m(-2).h(-1) and effectively rejected 99.30% of oil, with slightly lower but stable flux compared to the neat PVDF membrane.
JOURNAL OF WATER PROCESS ENGINEERING
(2021)
Article
Materials Science, Ceramics
Runqing Liu, Bodong Fang, Guanhua Zhang, Jinbo Guo, Yuanquan Yang
Summary: This study investigated the impact of sodium alginate on the hydration properties of magnesium potassium phosphate cement suspension with a high water-to-cement ratio, and explored the mechanism behind its retarding effect. Sodium alginate was found to delay the dissolution and precipitation of key crystalline phases, leading to an extended setting time for the cement.
CERAMICS INTERNATIONAL
(2022)
Article
Construction & Building Technology
Yiming Li, Chenyang Lv, Peifeng Cheng, Yanjun Chen, Zhanming Zhang
Summary: The development of sustainable green road materials with bio-resin is studied. Lignin-based phenol formaldehyde (LPF) resin modified asphalt was prepared and its properties were evaluated. LPF resin and phenol formaldehyde (PF) resin can increase the proportion of large-size molecules and elastic components of asphalt binder, enhance its high-temperature deformation recovery ability, improve fatigue performance, aging resistance, and cracking resistance of asphalt binders.
CASE STUDIES IN CONSTRUCTION MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Jielong Wu, Liangcai Wang, Huanhuan Ma, Jianbin Zhou
Summary: This study investigated the pyrolysis behavior of pine cone cellulose and lignin, revealing that carbon element was mainly retained in biochar, while oxygen element migrated into liquid and gaseous products. Moreover, a significant portion of nitrogen element was found to migrate into biochar during the pyrolysis process.
Article
Chemistry, Multidisciplinary
Quan Hongping, Zhen Xuele, Lu Qiangying, Wang Linyuan, Jiang Silong
Summary: Two polymeric acidizing retarders (AR-1 and AR-2) were synthesized to improve the efficiency of the acidification process. The results showed that AR-2 had better retarding performance than AR-1, possibly due to the thicker adsorbed film formed by its hydrophobic chains. The introduction of hydrophobic chains significantly improved the retarding performance of the acidizing retarder.
Article
Materials Science, Multidisciplinary
He Yan, Zhang Xiong, Wu Genhuo, Shi Pengcheng
Summary: The research results indicate that PCE-type GA is effective in improving the grinding efficiency and fineness of cement, and it has a positive impact on various properties of cement.
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION
(2021)
Article
Chemistry, Physical
Jing Chen, Kunpeng Du, Xiumin Chen, Youbing Li, Jin Huang, Yutao Wu, Chaolong Yang, Xiaochao Xia
APPLIED SURFACE SCIENCE
(2019)
Article
Chemistry, Multidisciplinary
Yan Su, Yongfeng Zhang, Zhonghao Wang, Weichen Gao, Peng Jia, Dan Zhang, Chaolong Yang, Youbing Li, Yanli Zhao
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Nanoscience & Nanotechnology
Weichen Gao, Yan Su, Zhonghao Wang, Yongfeng Zhang, Dan Zhang, Peng Jia, Chaolong Yang, Youbing Li, Rakesh Ganguly, Yanli Zhao
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Spectroscopy
Peng Jia, Zhonghao Wang, Yongfeng Zhang, Dan Zhang, Weichen Gao, Yan Su, Youbing Li, Chaolong Yang
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2020)
Article
Optics
Dan Zhang, Yongfeng Zhang, Zhonghao Wang, Yan Zheng, Xian Zheng, Liang Gao, Chang Wang, Chaolong Yang, Hailong Tang, Youbing Li
Summary: Novel visible-light-excited hexanuclear Eu3+ complex and Eu3+ complex/PLA luminescent films have been successfully designed and prepared through proper molecular engineering, showing excellent photoluminescence and promising applications in fluorescence sensing and LED devices.
JOURNAL OF LUMINESCENCE
(2021)
Article
Chemistry, Multidisciplinary
Kunpeng Yin, Siqi Wu, Hao Zheng, Liang Gao, Jinfeng Liu, Chaolong Yang, Lian-Wen Qi, Juanjuan Peng
Summary: The research found that a fluorescent sensor array composed of four kinds of lanthanide (Eu3+ and Tb3+) fluorescent MOFs could rapidly identify and distinguish active/toxic ingredients in 26 natural compounds, with data processed using PCA and HCA methods to separate the responses of four types of compounds successfully. Compared to traditional methods, this developed fluorescent sensor array offers a more efficient and cost-effective strategy.
Article
Multidisciplinary Sciences
Yongfeng Zhang, Liang Gao, Xian Zheng, Zhonghao Wang, Chaolong Yang, Hailong Tang, Lunjun Qu, Youbing Li, Yanli Zhao
Summary: A feasible strategy has been presented to achieve ultraviolet irradiation-responsive ultralong room-temperature phosphorescence in amorphous polymer materials, allowing for tuned phosphorescence lifetime and demonstrating promising applications in smart flexible luminescent materials and sensors with dynamically controlled phosphorescence.
NATURE COMMUNICATIONS
(2021)
Article
Nanoscience & Nanotechnology
Peng Jia, Liang Gao, Yan Zheng, Xian Zheng, Chang Wang, Chaolong Yang, Youbing Li, Yanli Zhao
Summary: A sensor for rapid detection of phenylglyoxylic acid was developed in this study, utilizing a luminescence film made of a terbium metal-organic framework. The sensor showed efficient detection, rapid response speed, and high stability, making it promising for practical sensing applications.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Jiangbin Guo, Man Zhang, Jing Xu, Jun Fang, Shuiyuan Luo, Chaolong Yang
Summary: Pd-P@Pt-Ni core-shell nanoparticles were explored as electrocatalysts for methanol oxidation reaction and showed high catalytic activity and strong resistance. This was due to the synergistic effects from the core part and the nickel species in the shell part.
Review
Chemistry, Multidisciplinary
Jingjing Guo, Chaolong Yang, Yanli Zhao
Summary: Long-lived organic room-temperature phosphorescence materials have great potential applications in various fields. Compared to traditional fluorescence, phosphorescence originates from slow radiative transitions of triplet excitons. Enhancing intersystem crossing rate and suppressing nonradiative relaxation channels can achieve efficient phosphorescence in purely organic materials. Amorphous organic polymers offer improved processability and flexibility, making them more competitive for achieving long-lived phosphorescence emission.
ACCOUNTS OF CHEMICAL RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Yan Zheng, Qian Zhou, Yan Yang, Xiaohong Chen, Chang Wang, Xian Zheng, Liang Gao, Chaolong Yang
Summary: This study presents a feasible strategy for achieving high stability and full-color long-lived room temperature phosphorescence (RTP) of carbon dots (CDs)-based composite materials in aqueous environment by constructing a rigid hydrogen bonds' network. The obtained m,p-CDs@CA composite materials exhibit excellent stability, dispersion, and long-lived RTP properties, making them desirable for biomarker detection.
Article
Chemistry, Multidisciplinary
Qian Zhou, Chen Li, Yongkang Wang, Qingao Chen, Jiayue Huang, Yin Zhu, Qiankun Li, Chaolong Yang
Summary: In this work, polymer mBPipQ containing aromatic and piperidine rings is successfully designed and synthesized, and then uniformly dispersed into epoxy resin matrix to form long-lived polymeric room temperature phosphorescence (RTP) material with efficient afterglow properties. The material can emit stable and efficient long-lived phosphorescence even after soaking in strong acid or alkali solution for 10 days. This work broadens the application scope of polymeric RTP materials in harsh environments and provides a new idea for achieving efficient RTP emission.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Review
Chemistry, Multidisciplinary
Kaiti Wang, Lunjun Qu, Chaolong Yang
Summary: As a type of room temperature phosphorescence (RTP) material, carbon dots (CDs) have short lifetime and low phosphorescence efficiency. Various strategies have been developed to improve these disadvantages, including embedding in rigid matrix, introducing heteroatom, and crosslink-enhanced emission. Doping CDs into different matrices is the main method for preparing long-lived CDs-based RTP materials. However, matrix-free CDs and carbonized polymer dots-based RTP materials have also been widely explored. The recent progress, efficient strategies, and emission mechanisms of CDs-based RTP materials are summarized and reviewed in detail. These materials show great application potential in anti-counterfeiting, data encryption, and biological monitoring due to their excellent chemical stability, photostability, and low biological toxicity.
Article
Multidisciplinary Sciences
Liang Gao, Jiayue Huang, Lunjun Qu, Xiaohong Chen, Ying Zhu, Chen Li, Quanchi Tian, Yanli Zhao, Chaolong Yang
Summary: Materials with room temperature phosphorescence have potential in a range of applications, but preparing the systems can still be challenging. Here, the authors report an intrinsically polymeric room temperature phosphorescent material, applied in crack detection.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Ying Zhu, Meiyi He, Lunjun Qu, Yongkang Wang, Chen Li, Jiayue Huang, Qingao Chen, Chaolong Yang
Summary: Recently, embedding organic phosphors into the polyvinyl alcohol (PVA) matrix has been found to achieve efficient long-lived room temperature phosphorescence (RTP). However, a novel functional phosphor THBE doped into PVA matrix is unable to trigger RTP emission. Surprisingly, excellent long-lived RTP emission can be easily obtained by doping THBE into PVA analogs, poly(vinyl alcohol-co-ethylene) (PVA-co-PE).
Article
Construction & Building Technology
Qi Jiang, Wei Liu, Shaopeng Wu, Xuanwen Gou
Summary: This study analyzes the erosion mechanisms of NaCl solution on asphalt concrete and finds that NaCl solution softens asphalt and promotes the intrusion of crystalline salt into it. Salt crystallization alters the surface roughness of aggregates, resulting in a decrease in skid resistance but an improvement in compressive strength. Additionally, the concentration of NaCl solution initially has no significant impact on the mechanical performance of asphalt concrete, but its domination gradually increases with the intensification of cyclic effects.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Lili Kan, Lan-qing Dai, Ning Kong, Bin Peng, Fei Wang
Summary: This paper investigates the effect of freezing and thawing cycles on the tensile behavior of cracked ultra-high performance concrete (UHPC). The results show that long-term freezing and thawing action deteriorates the cracking strength, tensile strength, tensile strain, and strain energy of cracked UHPC. On the other hand, the action of water generally favors the development of tensile properties of UHPC. The crack distribution tends to be unsaturated under freezing and thawing environment, and the re-hydration reaction is hindered. The pore structure near the crack varies under different environments.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Xin Xiao, Jingwei Li, Qingke Meng, Xiangshan Hou, Yanhui Liu, Xujiang Wang, Wenlong Wang, Shengtao Lu, Yuzhong Li, Yanpeng Mao, Tong Li
Summary: Preparing gypsum-based self-leveling mortar (GSLM) using beta-hemihydrate gypsum and solid wastes-derived sulfoaluminate cement (WSAC) can improve the mechanical performance of the mortar, but phosphorus impurities can weaken the hydration speed and degree.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Sihang Bao, Junzhen Di, Yanrong Dong, Ziqing Gao, Qing Gu, Yuanfang Zhao, Hongyu Zhai
Summary: Tailings dam break and leakage accidents pose a threat to the safety of people in mining areas and cause severe environmental pollution. This study focuses on solidifying tailing sand using microbial induced calcite precipitation (MICP) to improve strength and fix heavy metals. The curing time of MICP bio-cemented tailings is found to significantly impact the strength of tailings, while its effect on heavy metal fixation is minimal. The optimized MICP curing time is 10 days, resulting in improved strength and cementation of tailings particles.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Ferhat Benmahiddine, Fares Bennai, Achraf Charaka, Ameur El Amine Hamami, Abdelkader Tahakourt, Rafik Belarbi
Summary: This paper studied the effects of hysteresis on the hygrothermal behavior at the building scale. Through laboratory validation and numerical simulations, it was found that hysteresis has a significant impact on the relative humidity and total heat fluxes in buildings, while it does not have a noticeable effect on temperature variations.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
You Gao, Wei He, Xiayang Zhang, De'an Sun, Pei Li
Summary: This study determined the boundary line between the swelling and compression deformation zone in lateritic clay through wetting tests, and proposed a simple bimodal SWRC model. It also found that the existing strength model underestimated the tested values in the medium to high suction range, therefore a segmented strength equation was introduced for enhanced predictions of the strength properties of lateritic clay.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Prabhath Ranjan Kumar Soda, Asheer Mogal, Kalyan Chakravarthy, Nikhil Thota, Nimish Bandaru, Sanjay Kumar Shukla, K. M. Mini
Summary: This study investigates the use of encapsulated bacteria to improve the self-healing ability of concrete. Through various tests, it is found that using 20% cement-coated alginate beads (CCAB) and 5% nanosilica (NS) can achieve optimal strength and healing. This research is significant for enhancing the durability of concrete.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Shizhe Wang, Haiping Wu, Wen Yang, Wei Wang, Zhibo Zhu, Kun Nie, Luoxin Wang, Hua Wang, Jing Wu
Summary: In this study, photothermal-heat storage concrete (PHSC) was developed with excellent photothermal conversion performance and heat storage capacity. By absorbing and storing solar energy during the day and releasing it at night, PHSC can effectively reduce energy consumption in buildings.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Robin Deb, Jialuo He, Geetika Mishra, Yaghoob (Amir) Farnam
Summary: Incorporation techniques of phase change materials in cementitious composites have a significant influence on thermal properties. This study investigated the thermal behavior of low-temperature PCM when subjected to varying temperature change rates and pore confinement inside the porous network of lightweight aggregates. The results showed that ramp rates affect the nucleation and crystallization growth process during the phase transition, and the pore structure of the aggregates affects the supercooling phenomenon and confinement pressure of the PCM.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Eduardo Ferreira, Payam Sotoudeh, Dagmar Svecova
Summary: This study investigates the fatigue behavior of concrete under different stress reversal conditions. The results indicate that stress reversal generally causes more severe damage and reduces the cycles to failure compared to tensile fatigue. Additionally, adding some level of compression contributes to the energy required for failure under stress reversal fatigue. Specimens with higher concentration of fractured aggregates achieve longer fatigue lives.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Mag Raj Gehlot, Sandeep Shrivastava
Summary: This study evaluates the compatibility relationship between plaster bonds and the substrate under an accelerated aging environment, and finds that incorporating an appropriate amount of granite cutting waste can improve the strength parameters and adhesion of the cement mortar.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Min Zhang, Qirui Luo, Mingke Deng, Shixing Zhao
Summary: This study investigated the bond behavior between carbon FRCM composites with added short fibers and concrete substrates. The effects of different factors were considered and 36 specimens were tested and discussed. The experimental results were analyzed in terms of failure mode, load-slip curve, and characteristic parameters, and the contribution of weft yarns was taken into account in the developed bondslip model.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Dengkai Liu, Hongniao Chen, Ray Kai Leung Su
Summary: The susceptibility of building stones to fire and high temperature was investigated in this study by examining their physical and mechanical properties. The results show that both compressive and tensile properties of stones are affected by temperature changes. The tensile strength is particularly sensitive to temperature changes, requiring special attention to the components subjected to tensile stress in stone buildings. Principal component analysis was used to predict the mechanical properties of stones, providing a new method for calculating the residual mechanical properties after high temperature or fire.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Joso Maria Raposo, Eduardo Cavaco, Luis Costa Neves, Eduardo Julio
Summary: This paper investigates the correlation between the friction coefficient and the surface roughness of concrete-to-concrete interfaces. Experimental tests were performed on specimens with different surface treatments, and the surface roughness parameters were analyzed and correlated with the shear strength and friction coefficient. The results showed that certain roughness parameters had a strong positive correlation with the friction coefficient, while others had little or no correlation. A novel combined roughness parameter with optimized correlation was proposed.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
Article
Construction & Building Technology
Chiara Riccardi, Massimo Losa
Summary: The interest in using bio materials in asphalt pavements is growing due to economic reasons and environmental benefits. This study aimed to review the use of bio extenders as additives in binders, with a focus on replacements greater than 20% of fossil binder. The properties of bio-extended binders were found to vary substantially depending on the biomass source and production process.
CONSTRUCTION AND BUILDING MATERIALS
(2024)
