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COMPRESSIVE STRENGTH OF CONCRETE USING INNOVATIVE IN-SITU SHEAR TESTING METHOD

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2021; 51 (2)

Shear strength is the essential mechanical property of structural concrete, especially for complex stress analysis and finite element analysis. Labora......

INFLUENCE OF COAL GANGUE ON RHEOLOGICAL PROPERTIES AND STRENGTH OF FOAM MORTAR

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2021; 51 (2)

This study aimed to investigate the preparation of cement foamed mortar mixed with coal gangue power. Moreover, the following theological parameters a......

INFLUENCES OF LIGHT-BURNT DOLOMITE ON STRENGTH AND DEFORMATION OF BLENDED CEMENT

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2021; 51 (1)

Shrinkage of cement-based materials may cause cracking in concrete structure under restrained conditions. In this study, light-burnt dolomite (LBD) as......

TEMPERATURE FIELD OF CONCRETE IN WINTER CONSTRUCTION: FINITE ELEMENT MODELING AND PARAMETRIC STUDY

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2021; 51 (1)

In winter construction, it is of crucial importance to predict the temperature field of concrete, to avoid frost damage, control the temperature gradi......

INTERNAL STRUCTURE CHARACTERIZATIONS OF HARDENED CEMENT PASTE CONTAINING SHRINKAGE REDUCING ADMIXTURE USING NANOINDENTATION AND SEM TECHNIQUES

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (1)

The internal structure has an important role in determining the properties of cementitious materials. Shrinkage reducing admixture (SRA) is often appl......

THE DEVELOPMENT OF MIXED RECYCLED AGGREGATE POWDER BASED GEOPOLYMER WITH THE ADDITION OF METAKAOLIN

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (1)

In this paper, the feasibility of making geopolymers with mixed recycled aggregate powder (MRAP) was investigated. Metakaolin (MK) was introduced into......

FABRICATIONS OF SUPER-HYDROPHOBIC SURFACES ON GLASS SLIDES AND THEIR ANTIICING BEHAVIOR

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (1)

Superhydrophobic Co3O4 surfaces with a micro-nanostructure on glass slides were successfully prepared using a simple solvothermal synthesis process at......

AXIAL COMPRESSION TEST AND PARAMETER ANALYSIS OF THIN-WALLED CONCRETE-FILLED STEEL TUBULAR COLUMNS WITHOUT AND WITH STIFFENERS

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (1)

An experimental investigation was conducted to study the axial compression behavior of thin-walled concrete-filled steel tubular (TWCFST) column with ......

THE EFFECT OF HOLD TIMES ON THE STRESS-STRAIN RELATIONSHIP FOR STEEL FIBER-REINFORCED REACTIVE POWDER CONCRETE AT ELEVATED TEMPERATURES

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (2)

With the purpose of further researching the fire-resistant performance of reactive powder concrete (RPC), the significant influence of hold times on t......

STUDY ON THE FRACTAL CHARACTERISTIC OF PORE THINNING EFFECT OF CONCRETE

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (2)

The fractal dimension of pore distribution of concrete is calculated based on the test of mercury intrusion porosimetry. In addition, the fractal dime......

A MULTISCALE MODEL FOR THE ELASTIC MODULUS OF CERAMSITE LIGHTWEIGHT AGGREGATE CONCRETE AFTER ELEVATED TEMPERATURES

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (2)

The elastic modulus of ceramsite lightweight aggregate concrete (LWAC) after elevated temperatures is studied and modeled in this work. The degenerati......

SIMULATION OF MECHANICAL BEHAVIOR AND STRUCTURAL ANALYSIS OF GLASS FIBER REINFORCED MORTAR PIPES

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (2)

The purpose of this paper is to simulate and investigate the relationship of shell structural characteristics and ultimate bearing capacity (UBC) on g......

IMPROVEMENT OF CONCRETE PROPERTY WITH CONTROLLED PERMEABILITY FORMWORK

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (3)

Controlled permeability formwork (CPF) has been used inner the steel and wood formwork to investigate the effect on surface properties improvement. Th......

SYNERGY BETWEEN SUSPENDING AGENT AND AIR ENTRANING AGENT IN CEMENT SLURRY

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (3)

In cut-and-fill mining, cement slurry is piped over a long distance from the mixing plant to the filling site underground. The long-distance transport......

DAMAGE BEHAVIOR OF CALCIUM SILICATE SLAG-BASED ALKALI- ACTIVATED MATERIALS EXPOSED TO ELEVATED TEMPERATURES

期刊: REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS, 2020; 50 (3)

Alkali-activated materials (AAMs) were synthesized from calcium silicate slag (CSS), ground granulated blast furnace slag (GGBFS) and class F fly ash ......

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