Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Guoqing Geng"'
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03283- (2024)
Clay is a globally abundant material and can potentially be used as a cement substitute after calcination. Though kaolinitic clay exhibits notable reactivity, the potential of low-grade clay with relatively low kaolinite content remains underexplored
Externí odkaz:
https://doaj.org/article/4d9c18a3576041d8985dea1fbe4edc2f
Autor:
Yu Yan, Guoqing Geng
Publikováno v:
Materials & Design, Vol 238, Iss , Pp 112699- (2024)
Despite significant advancements in microstructural characterization methods, the interconnections between nanostructure and morphological diversity of calcium-silicate-hydrate (C-S-H), the primary binding phase in modern concrete, remain unclear. Th
Externí odkaz:
https://doaj.org/article/0b6bb88d20914efeab0afc15dae10fd1
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02670- (2023)
Recent research has recognized limestone calcined clay cement (LC3) a promising sustainable cementitious material. While LC3 could be used in a wide range of applications, it is important to explore its feasibility in developing (ultra-)high performa
Externí odkaz:
https://doaj.org/article/0c736f395a2644688c12f5513920382f
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02589- (2023)
Calcium silicate hydrate (C-S-H) governs the binding of cement-based materials, influencing various properties through its microstructure. However, understanding C-S-H's microstructure development and morphological evolution mechanisms remains incomp
Externí odkaz:
https://doaj.org/article/f065c0e8f3f540359a6233c6ae8692e7
Autor:
Guoqing Geng, Zhe Zhang
Publikováno v:
RILEM Technical Letters, Vol 8 (2023)
Calcium silicate hydrate (C-S-H) is the primary binding phase in modern concrete. While significant progress has been made in understanding the structure and behavior of C-S-H at atomistic scale and macro scale, there lacks a theory that links them.
Externí odkaz:
https://doaj.org/article/617482ec72674d169b2abe057b3e286e
Publikováno v:
IEEE Access, Vol 10, Pp 62377-62390 (2022)
Aiming at the semi-active control problem of interconnected air suspension, an interconnected mode switching control strategy is designed based on the variation law of comprehensive indexes under different interconnected modes. Considering the parame
Externí odkaz:
https://doaj.org/article/a3224f1630c047fb8f304d7fc7fad486
Publikováno v:
Sensors, Vol 23, Iss 7, p 3373 (2023)
The operational status of manufacturing equipment is directly related to the reliability of the operation of manufacturing equipment and the continuity of operation of the production system. Based on the analysis of the operation status of manufactur
Externí odkaz:
https://doaj.org/article/78484e898eb2412bbdce0cf8a528888d
Autor:
Andreas Leemann, Mahsa Bagheri, Barbara Lothenbach, Karen Scrivener, Solène Barbotin, Emmanuelle Boehm-Courjault, Guoqing Geng, Rainer Dähn, Zhenguo Shi, Mahdieh Shakoorioskooie, Michele Griffa, Robert Zboray, Pietro Lura, Emil Gallyamov, Roozbeh Rezakhani, Jean-Francois Molinari
Publikováno v:
RILEM Technical Letters, Vol 6 (2022)
In the last four years, a multidisciplinary study involving several research groups in Switzerland tackled a number of unsolved, fundamental issues about the alkali-silica reaction (ASR) in concrete. The covered topics include SiO2 dissolution, the c
Externí odkaz:
https://doaj.org/article/a6da21d6c40f4a4e8c77951c6f521171
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
In this study, a cooperative control method based on model predictive control and multiagent theory is proposed to control an interconnected air suspension system with three controllable structures of interconnection mode, damping, and vehicle height
Externí odkaz:
https://doaj.org/article/b7655201292f41da89f9a199ebe07a7b
Publikováno v:
Actuators, Vol 12, Iss 3, p 97 (2023)
In the path tracking control of intelligent vehicles, the traditional linear control method is prone to high tracking errors for uncertain parameters of the steering transmission system and road conditions. Therefore, considering the mechanical frict
Externí odkaz:
https://doaj.org/article/4f94bf19af904c0baa7d85a6ef7ea341