Results 1 to 10 of about 956,391 (287)

Experimental study on change mechanism of coal and rock permeability under total stress and strain condition

Meikuang Anquan, 2021
In order to study the permeability evolution law of coal and rock under the action of mining dynamic load, the Darcy law steady-state measurement method was adopted to conduct the stress-strain permeability experiment of coal and rock using the triaxial ...
XUE Junhua, LI Yanhe, LI Hongbiao, YUAN Zhandong, ZHAN Keliang
doaj   +1 more source

Mathematical Modeling of the Self-Compacting Concrete Samples Behavior Produced from The Syrian Raw Materials

Syrian Journal for Science and Innovation, 2023
The main purpose of the research is to find a mathematical model describing the behaviour of self-compacting concrete SCC produced from local raw materials only by using mathematical analysis and experimental test results.
Ammar Tawashi , Soleman Al-Amoudi
doaj   +1 more source

Elaboration and Mechanical-Electrochemical Characterisation of Open Cell Antimonial-lead Foams Made by the “Excess Salt Replication Method” for Eventual Applications in Lead-acid Batteries Manufacturing [PDF]

Kemija u Industriji, 2020
In this study, open cell 25 % antimony-lead alloy foams are fabricated for possible use to lighten thick plates of lead-acid batteries. A new inexpensive and simple variant of the salt replication process is developed and explored.
Amel Hind Hassein-Bey, Abd-Elmouneïm Belhadj, Adinel Gavrus, Salam Abudura   +3 more
doaj   +1 more source

Study on Dynamic Response Characteristics of Different Asphalt Pavement Structures Based on ALF Test

Advanced Engineering Research, 2023
Introduction. In recent years, one of the main trends in the field of testing road structures has become field study of their large-scale models at the accelerated load facility (ALF). It can significantly reduce the cost of selecting the most economical 
Ni Guangcong, A. N. Tiraturyan, E. V. Uglova, A. V. Vorobev   +3 more
doaj   +1 more source

Passive Stiffness of Left Ventricular Myocardial Tissue Is Reduced by Ovariectomy in a Post-menopause Mouse Model

Frontiers in Physiology, 2018
Background: Heart failure (HF) – a very prevalent disease with high morbidity and mortality – usually presents with diastolic dysfunction. Although post-menopause women are at increased risk of HF and diastolic dysfunction, poor attention has been paid ...
Núria Farré, Núria Farré, Núria Farré, Ignasi Jorba, Ignasi Jorba, Marta Torres, Marta Torres, Bryan Falcones, Bryan Falcones, Julio Martí-Almor, Julio Martí-Almor, Ramon Farré, Ramon Farré, Ramon Farré, Isaac Almendros, Isaac Almendros, Isaac Almendros, Daniel Navajas, Daniel Navajas, Daniel Navajas   +19 more
doaj   +1 more source

Tensile analysis and assessment of carbon and alloy steels using FE approach as an idealization of material fractures under collision and grounding

Curved and Layered Structures, 2020
In this study, a numerical investigation tensile test using ANSYS on three different carbon and alloy sheets of steel: AISI 1030 medium carbon steel, AISI 1080 high carbon steel and high-strength low-alloy (HSLA) A606 steel, has been carried out.
Ridwan Ridwan, Prabowo Aditya Rio, Muhayat Nurul, Putranto Teguh, Sohn Jung Min   +4 more
doaj   +1 more source

Optimization of Mortar/Agave americana Fibers Composite Behavior Based on Experimental Design

Journal of Natural Fibers, 2023
Processing parameters and manufacturing techniques of composite materials have a considerable impact on the physicomechanical properties of a final product.
Insaf Mehrez, Houda Hachem, Ramla Gheith, Abdelmajid Jemni   +3 more
doaj   +1 more source

Method of full discretization in joint calculation in time of the system “construction - foundation - soil”

Structural Mechanics of Engineering Constructions and Buildings, 2019
Introduction. Prospective transition of CIS to the European design standards in the construction industry requires development of new and modification of known engineering methods for calculation and design of construction.
Tatyana N. Ter-Emmanuilyan, Igor O. Polumordvinov   +1 more
doaj   +1 more source

An experimental study of the stress-strain relationship of different excavation paths for soft soil K0 consolidation

Shuiwen dizhi gongcheng dizhi, 2023
In the process of foundation pit excavation, the soil mass in different parts shows dynamic destruction characteristics due to diverse unloading mechanics.
Yongfen RUAN, Jiqiang PAN, Jingkui HU, Ming YAN, Yuhang GUO   +4 more
doaj   +1 more source

Antimicrobial, Mechanical and Thermal Studies of Silver Particle-Loaded Polyurethane

Journal of Functional Biomaterials, 2013
Silver-particle-incorporated polyurethane films were evaluated for antimicrobial activity towards two different bacteria: Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus).
Deepen Paul, Sharmistha Paul, Nima Roohpour, Mark Wilks, Pankaj Vadgama   +4 more
doaj   +1 more source