Results 51 to 60 of about 20,445 (250)
Deep Underground Science and Engineering, EarlyView.This article aims to investigate the dynamic fracture response of fractured tunnel models under zero geological stress through physical experiments and numerical simulations. It further simulates the dynamic fracture characteristics of fractured tunnel models under geological stress ranging from 0 to 2.5 MPa using the numerical software AUTODYN ...
Peng Ying +7 more
wiley +1 more source
Nuclear Engineering and Technology, 2021 Tritium extraction from radioactively contaminated cement mortar samples was performed using heating and liquid scintillation counting methods. Tritiated water molecules (HTO) can be present in contaminated water along with water molecules (H2O).
Ki Joon Kang +2 more
doaj
Application and research review of cemented carbide heterogeneous brazing coating additive manufacturing [PDF]
arXiv, 2022 As one of the important methods for surface modification of materials and life extension of key components, cemented carbide brazing coatings are widely used in agricultural machinery, oil drilling, aerospace and other fields, it has also attracted the attention of scholars in the field of surface modification at home and abroad.
arxiv
Association of macroscopic laboratory testing and micromechanics modelling for the evaluation of the poroelastic parameters of a hardened cement paste [PDF]
Cement and Concrete Research 40, 8 (2010) 1197-1210, 2010 The results of a macro-scale experimental study performed on a hardened class G cement paste [Ghabezloo et al. (2008) Cem. Con. Res. (38) 1424-1437] are used in association with the micromechanics modelling and homogenization technique for evaluation of the complete set of poroelastic parameters of the material.
arxiv +1 more source
Effect of Rubber Treated by Acidic Solution On Some Mechanical Properties of Rubberize Cement Mortar [PDF]
Engineering and Technology Journal, 2011 In the present work, the properties of rubberize cement mortar containingcrumb rubber treated by acidic solution are tested and compared with normal rubberize and normal cement mortar.The rubber, which is treated by different acidic solution such as ...
Aziz Ibrahim Abdulla, Salwa Hadi Ahmed
doaj +1 more source
Acid resistance of palm oil fuel ash and metakaolin ternary blend cement mortar
Sustainable Environment Research, 2017 This paper examines the effects of blend of Palm Oil fuel ash (POFA) and Metakaolin (MK) on the resistance of cement mortar to sulphuric acid (H2SO4) attack.
Jamilu Usman, AbdulRahman Mohd Sam
doaj +1 more source
Fatigue &Fracture of Engineering Materials &Structures, Volume 46, Issue 1, Page 49-62, January 2023., 2023 Abstract The present paper is dedicated to the mechanical and fracture characterization of a specific earthen material, that is, the shot‐earth 772. Although such a material has been recently characterized from a microstructural, chemical and physical point of view, the knowledge of its mechanical and fracture properties (essential for extending its ...
Sabrina Vantadori +3 more
wiley +1 more source
Case Studies in Construction Materials, 2023 Incorporating a suitable amount of sulfoaluminate expansive additive (SEA) into cementitious materials can compensate the shrinkage deformation. However, the influence of SEA on the relative humidity inside cementitious materials is still unclear.
Siming Liang +5 more
doaj
Microstructure and Mechanical Properties of Cement Mortar Containing Phase Change Materials
Applied Sciences, 2019 This paper presents an investigation of the characterization of cement mortar containing phase change materials (PCMs) in order to control the development of hydration heat.
Hyun-Do Yun +4 more
doaj +1 more source
The Impact of Phase Change Materials on Electricity Consumption in Prefabricated Temporary Houses
Energy Science &Engineering, EarlyView.The effectiveness of phase change material (PCM) integration was evaluated over a 1‐month period under winter climate conditions, with electricity consumption serving as the primary metric. According to the results, the incorporation of PCMs led to a reduction in average electricity consumption by 16%, weighted average electricity consumption by 16.2%,
Fatih Selim Bayraktar, Ramazan Köse
wiley +1 more source