Study on Dynamic Mechanical Properties of Full Tailings Cemented Backfilling Impacted by Cement-Sand Ratio by Shan Yang, Zhiyong Zhou, Yifei Zhao, Wei Yang

“…At lower strain rates, specimens presented strength hardening, and at higher strain rates, the test specimens presented rapid-softening strength; the strength-hardened specimen reached the peak stress at 40 μs, and the softening specimen reached the peak stress at about 18 μs; with the increase of strain rate, dynamic compressive strength, growth factor of dynamic strength, peak strain, and dynamic-static strain ratio of specimens increased totally. …”
Get full text

Elastoplastic Analysis of Shear Behavior of Multicell Shaped Concrete-Filled Steel Tubular Connection Based on Unified Theory by Xi Chen, Jianyang Xue

“…In addition, the analytical expression of shear stiffness of the MCFST connection in plastic hardening stage is obtained. The calculation formulas are proposed to predict the shear stiffness of the MCFST connection in the elastic and plastic hardening stages by geometrical parameters, material property parameters, and stress state of the steel webs.…”
Get full text

A Study on the Application of Two Different Material Constitutive Models Used in the FE Simulation of the Cyclic Plastic Behavior of a Steel Beam-Column T-Stub Connection by Wei Wang, Chenchen Zhang, Zeshen Li, Xuehong Gan

“…The two constitutive models were calibrated by four material tests to describe the yield and hardening behaviors of the Q235 steel used to make this T-stub connection. …”
Get full text

Mechanical and Microstructural Properties of Bamboo Fiber-Reinforced Concrete Containing a Blend of Waste Marble Powder and Waste Glass Powder by Dejene Mengesha Gelanew, Belachew Asteray Demiss

“…The microstructural properties of the hardened concrete from three different mixes were also determined for the 28-day cured specimens. …”
Get full text

Influence of Quenching Agents on Mechanical, Wear, and Fracture Characteristics of Al2O3 / MoS2 Reinforced Al-6061 Hybrid Metal Matrix Composite (MMCs) by K. R. Suchendra, M. Sreenivasa Reddy, M. Ravikumar

“…Later, the same composite samples were quenched in ice cubes and water separately. Finally, age-hardening was done at 180ºC temperature for 4 hours and then the samples were cooled under room temperature. …”
Get full text

Effects of Incorporation of Marble Powder Obtained by Recycling Waste Sludge and Limestone Powder on Rheology, Compressive Strength, and Durability of Self-Compacting Concrete by Rayed Alyousef, Omrane Benjeddou, Chokri Soussi, Mohamed Amine Khadimallah, Abdeliazim Mustafa Mohamed

“…The main purpose of this work is to evaluate the marble filler effects on the rheology in the fresh state and on the hardened properties of SCCs compared to those of limestone filler. …”
Get full text

Detection of the effect of climate change on the drainage of Aquifer of Birjand plain by Behzad Amraei

“…Climatic factors of 2080-2065 using the Output of the HADGEM2-ES model through the LARS-WG exponential model for the position of the Birjand station under two scenarios RCP8.5 and RCP2.6 were simulated and based on the regression model, the surface of the water Birjand city was simulated. …”
Get full text

Synthesis and Characterization of Hydrogel-Based Hyaluronic Acid-Chitosan-Allium sativum Extract for Intraperitoneal Antiadhesion Application by Prihartini Widiyanti, Yolanda Citra Ayu Priskawati

“…Peritoneal Adhesion is a severe case that frequently occurs in patients after laparotomy surgery. …”
Get full text

La morale de la sobriété : s’adapter au milieu, limiter ses besoins, les satisfaire soi-même by Violeta Ramirez

“…L’adhésion à l’imaginaire de la sobriété suppose la critique de certaines valeurs fondamentales de la société moderne capitaliste, telles que le confort matériel et la liberté. …”
Get full text

Kemampuan Sosial Anak Usia Dini: Sebuah Tinjauan Etnoparenting pada Lembaga Pendidikan Anak Usia Dini by Siti Fadjryana Fitroh, Muhammad Abdul Latif, Tarich Yuandana, Jelita Trisetiawati, Winda Dwi Aprilia

“… Purpose – This study aims to explore the role of Madurese ethnoparenting in shaping young children's social skills. …”
Get full text

THERMODYNAMICS AND NANOSTRUCTURAL MECHANISMS OF PROCESSES OF MELTING AND CRYSTALLIZATION OF METALS by V. Yu. Stetsenko

“…On process of crystallization and morphology of dendrites the great influence is exerted by the hardening speed, surface-active elements and the dissolved gases.…”
Get full text

Da redemocratização do Brasil através das Constituições de 1946 e 1988 by Simon Riemann Costa e Silva

“…The study of the meaning of its limits and possibilities in each moment of history help to understand and work harder to build a real democracy in Brazil.…”
Get full text

Using mechanical and thermodynamic methods to evaluate the effects of nanomaterials on thermal cracking mechanisms of asphalt mixtures under the influence of different moisture con... by Amir Hossein Asadi, Gholam Hossein Hamedi, Alireza Azarhoosh

“…Water in the bitumen-aggregate system leads to various HMA damages in the form of adhesive (failure at the bitumen-aggregate contact surface) and cohesive (failure in the mastic phase). …”
Get full text

Do the Microshear Test Variables Affect the Bond Strength Values? by Andrea M. Andrade, Eugenio Garcia, Sandra Kiss Moura, Alessandra Reis, Alessandro Loguercio, Luciana Mendonça Silva, Gustavo H. D. Pimentel, Rosa Helena Miranda Grande

“…In Group 3, composite rods without tubes were placed on adhesive covered dentin. In all groups, adhesives were photoactivated after positioning filled tubes/rods on adhesive covered surfaces. …”
Get full text

Analysis of Springback Behaviour in Micro Flexible Rolling of Crystalline Materials by Feijun Qu, Zhengyi Jiang, Xiaogang Wang, Cunlong Zhou

“…The concept of grained inhomogeneity is incorporated into the classic Chaboche hardening model that accounts for the Bauschinger effect, in order to provide more precise description and analysis of the springback mechanism in the particular forming operation. …”
Get full text

Aportes de la escuela de Frankfurt y Edgar Morin para fomentar el pensar dialéctico y complejo en la educación by Sheila López-Pérez

“…Con miras a ello, se parte de la formulación de un “método” –palabra clave en este trabajo– basado en las filosofías de la Escuela de Frankfurt y Edgar Morin, que sea capaz de hacerse cargo de la multidimensionalidad y multirreferencialidad de la realidad: el pensar dialéctico y complejo. …”
Get full text

Experimental Investigation on the Mixture Ratio and Diffusion Performance of Grouting Materials for Water Bursting Prevention in Coal Mines by Huiqing Lian, Haiyang Yi, Zhenxue Dai, Junwen Yang, Zhenxing Ji, Ruigang Han, Lu Meng, Yi Yang

“…The evolution of these performances versus different mixture ratios was analyzed; targeting at the reasonable flowability and hardened strength of grouting materials, an optimized mixture ratio was recognized for water bursting prevention in coal mines. …”
Get full text

Scientific and Methodological Bases of Exergetic Analysis of the Processes of Heat Treatment of Concrete Products in Heat Technology Installations. Part 2 by V. N. Romaniuk, A. M. Niyakovski

“…In the first part, the issues of calculating the exergy of a concrete mixture and hardening concrete have been considered, taking into account all the components of the exergy, viz. reaction, concentration and thermomechanical ones. …”
Get full text

Investigation of Mechanical Properties of Concrete Containing Liquid Silicone Rubber Under Axial Loads by Alireza Khaloo, Yaser Parvin darabad

“…The uniaxial compressive strain-control test was conducted on the hardened HSRC specimens to obtain the complete stress-strain curve. …”
Get full text

Deformation and strengthening behavior of Al-Cu-based alloys at ambient and elevated temperatures by Mehran Shahhosseininia, Mohammadreza Zamani

“…Heat treatment may improve their strength through precipitation hardening. Al-Cu-based alloys have shown appropriate mechanical properties based on their specific strengthening mechanisms. …”
Get full text