Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Jingjiang Wu"'
Publikováno v:
Developments in the Built Environment, Vol 18, Iss , Pp 100396- (2024)
Nanoparticles and fibers are frequently applied to improve the mechanical properties and durability of cement-based materials (CBM). In this study, rheology, workability and compressive strength tests were carried out to investigate the effect of PVA
Externí odkaz:
https://doaj.org/article/e9e1446ba748447493738ecaed849bbf
Publikováno v:
Materials, Vol 17, Iss 13, p 3097 (2024)
This paper investigates the effects of steel fiber and PVA fiber hybrid blending on the compressive strength (fcc), splitting tensile strength (fts), compression energy (W1.0), and shrinkage properties of concrete. It also establishes a multi-factor
Externí odkaz:
https://doaj.org/article/f2cbf42aeb864ecbb785b0bc4cdcc557
Publikováno v:
Materials, Vol 17, Iss 13, p 3099 (2024)
This paper explores the impact of steel–PVA hybrid fibers (S-PVA HF) on the flexural performance of panel concrete via three-point bending tests. Crack development in the concrete is analyzed through Digital Image Correlation (DIC) and Scanning Ele
Externí odkaz:
https://doaj.org/article/43daeefac077487782e83dfcb5feac43
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01325- (2022)
In this study, the mechanical properties of polyvinyl alcohol fiber-reinforced cementitious composites (PVA-FRCC) under the coupling effect of wet thermal and chloride salt environment were investigated through a series of experiments, including comp
Externí odkaz:
https://doaj.org/article/821eb84ad46c4b10917b4917ea9811ae
Publikováno v:
Gels, Vol 8, Iss 10, p 662 (2022)
The mechanical properties of cementitious composites before and after exposure to high temperature are affected by calcium–silicate–hydrate (C–S–H) gels. To evaluate the effects of high temperature, plyvinyl alcohol (PVA) fiber content, and t
Externí odkaz:
https://doaj.org/article/59e78e9afbe54f7bb2bc52ee4a3c2897
Publikováno v:
Toxics, Vol 10, Iss 8, p 412 (2022)
A large quantity of particulate matter is generated during construction of civil engineering projects, which has a negative effect on the atmosphere and environment. In order to explore the concentration, distribution and diffusion of particulate mat
Externí odkaz:
https://doaj.org/article/0b3e9b930cb94d54a22ed52273e80a2c
Publikováno v:
Polymers, Vol 14, Iss 11, p 2298 (2022)
In this study, the mechanical behaviors of nano-SiO2 reinforced geopolymer concrete (NS-GPC) under the coupling effect of a wet–thermal and chloride salt environment were investigated through a series of basic experiments, and a simulation on the c
Externí odkaz:
https://doaj.org/article/5d60a70ed5de48d7ac1d6f92813383d0
Autor:
Jinjun Guo, Liyan Cui, Jingjiang Wu, Hongyin Xu, Zheng Zhang, Yong Zhang, Gefei Qin, Qingxin Meng, Hao Li, Kun Wang
Publikováno v:
Applied Sciences, Vol 11, Iss 19, p 9338 (2021)
The large temperature difference condition in Northwest China threatens a myriad of concrete structures during construction, with the daily temperature varying by around 40 °C. To investigate the macro-mechanical properties and microstructural chara
Externí odkaz:
https://doaj.org/article/9843ba51196843a7afc82306eb56a03c
Autor:
Jinjun Guo, Zheng Zhang, Jingjiang Wu, Huikang Wang, Peng Zhang, Kun Wang, Qingxin Meng, Hongyin Xu
Publikováno v:
Materials, Vol 14, Iss 17, p 5085 (2021)
The application of concrete containing mineral admixtures was attempted in Northwest China in this study, where the environment has the characteristics of low humidity and large temperature variation. The harsh environment was simulated by using an e
Externí odkaz:
https://doaj.org/article/0d07353fa40f4afdb2fd5a670b113459
Autor:
Ethan V Abel, Edward J Kim, Jingjiang Wu, Mark Hynes, Filip Bednar, Erica Proctor, Lidong Wang, Michele L Dziubinski, Diane M Simeone
Publikováno v:
PLoS ONE, Vol 9, Iss 3, p e91983 (2014)
Pancreatic cancer stem cells (CSCs) represent a small subpopulation of pancreatic cancer cells that have the capacity to initiate and propagate tumor formation. However, the mechanisms by which pancreatic CSCs are maintained are not well understood o
Externí odkaz:
https://doaj.org/article/1a1967958cf24b6b8248a8df69378461