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Dynamic Elastic Modulus of Cement Paste at Early Age based on Nondestructive Test and Multiscale Prediction Model赵海涛1,黄冬辉2,WANG Xiaojun3,4,CHEN Xudong11. College of Civil and Transportion Engineering... to evaluate the dynamic elastic modulus of cement paste. Moreover, the effect of water-cement ratio and conventional admixtures on the dynamic elastic modulus of cement paste was investigated, in which......
INVESTIGATIONS ON THE INTERFACIAL ZONE BETWEEN AGGREGATE AND PASTE OF PORTLAND CEMENT余其俊,胡明德,王旭,钱进夫摘 要:<正> The composition and structure of theinterfacial zone between aggregate and paste ofportland cement as well as the orientationcoefficient of portlandite(Icn) werepreliminarily studied by XRD and SEMmethods.The main products in the zone are C-S......
INVESTIGATIONS ON THE INTERFACIAL ZONE BETWEEN AGGREGATE AND PASTE OF PORTLAND CEMENT余其俊,胡明德,王旭,钱进夫摘 要:<正> The composition and structure of theinterfacial zone between aggregate and paste ofportland cement as well as the orientationcoefficient of portlandite (Icn) werepreliminarily studied by XRD and SEMmethods.The main products in the zone are C......
Effect of Curing Temperature on Tunnel Fire Insulation of Aerogel Cement Paste Coatings王新杰1,XU Donghang1,朱平华1,CHEN Chunhong1,QIAN Zhongqiu21. Department of Civil Engineering, Changzhou University2. Architectural Research Institute Group Co., Ltd.摘 要:To further strengthen the protective effect of aerogel cement paste (ACP) coating on self-compacting......
Reliability of flip-chip bonded RFID die using anisotropic conductive paste hybrid material Jun-Sik LEE1, Jun-Ki KIM1, Mok-Soon KIM2, Namhyun KANG3, Jong-Hyun LEE4 1. Advanced Joining Technology... of Technology, Seoul 139-743, Korea Received 21 April 2010; accepted 10 September 2010 Abstract: A reliability of flip-chip bonded die as a function of anisotropic conductive paste (ACP) hybrid materials......
Influence of Elevated Curing Temperature on the Properties of Cement Paste and Concrete at the Same Hydration Degree王强,SHI Mengxiao,WANG DengquanDepartment of Civil Engineering, Tsinghua University摘... at these three temperatures were measured to determine the hydration degree of cement. Tests were carried out to compare the pore structure and strength of cement paste, as well as the strength and permeability......
;Technology (Beijing), Beijing 100083, China) Abstract: Tests on the evolution of microstructures and long-term strength model of cemented paste backfill under different cement-sand mass ratio, slurry.... The curves of strength increase in direct proportion to cement-sand mass ratio and slurry concentration. Key words: cemented paste backfill mass; hydration production; microstructures; long-term strength 采用全尾......
carbon paste electrode PANG Ya(庞娅)1, 2, ZENG Guang-ming(曾光明)1, 2, TANG Lin(汤琳)1, 2, ZHANG Yi(章毅)1, 2, LI Zhen(李贞)1, 2, CHEN Li-juan(陈丽娟)1, 2 1. College of Environmental Science and Engineering, Hunan... to identify its surfacetopography and magnetization, respectively. Laccase was immobilized on the MMCNT modified magnetic carbon paste electrode by the aid of chitosan/silica (CS) hybrid membrane. Using......
动,即为剪切流动区;在r1<r<R范围即为颗粒迁移形成的滑移层,称其为滑移流动区. 图2 膏体管内流动结构 Fig. 2 Flow structure of paste tailings in pipe 2.2 膏体管内流速分布 在滑移流动区内,流体黏度较低,可将其视为牛顿流体,则有,其中μ为滑移流体(可视为清水)的黏度.由于流体在径向上的切应力τ呈线性分布...满, 韩 悦. 中国膏体技术发展现状与趋势[J]. 工程科学学报, 2018, 40(5): 517-525. WU Ai-xiang, YANG Yin, CHENG Hai-yong, CHEN Shun-man, HAN Yue. Status and prospects of paste technology in China[J]. Chinese Journal......
Degradation of Pore Structure and Microstructures in Hardened Cement Paste Subjected to Flexural Loading and Wet-dry Cycles in Sea Water张武满School of Transportation Science and Engineering,Beihang UniversityJiangsu Key Laboratory of Construction Materials,Southeast University摘 要:Hardened cement paste was subjected to the flexural loading and wet-dry......