YaBeSH Digital Library: Recent submissions
Now showing items 1-20 of 297843
-
مدل تجربی تبیین كننده مولفه های حکمروایی منابع آب كشاورزی
(دانشگاه فردوسی مشهد, 2023-10-13)به منظور تفهیم مناسب نتایج اثرگذاری و وابسته بودن عوامل بر حکمروایی خوب در مدیریت پایدار منابع آب كشاورزی، نتایج آن در این مدل مشخص شده است. -
Physicochemical Rejuvenation of Aged Styrene-Butadiene-Styrene-Modified Bitumen through Joint Use of Polyurethane Prepolymer and Tall Oil for Maintaining High-Temperature Property
(ASCE, 2024/01/01)Conventional rejuvenation techniques, such as adding oil-based substances, are proved very effective to improve some properties of aged styrene-butadiene-styrene modified asphalt (SBSMA), including low-temperature cracking ... -
Investigation on the Diffusion Behavior of Dry Modified SBS at the Asphalt-Aggregate Interface: Molecular Simulation and Experiments
(ASCE, 2024/02/01)Dry modified Styrene-Butadiene-Styrene block copolymer (SBS) is an innovative method of modifying asphalt mixture that has gained attention due to its convenience, low carbon footprint, and high efficiency. To understand ... -
Study of the Mesodamage Analysis Method for Frozen–Thawed Concrete Based on CT Image Recognition
(ASCE, 2024/05/01)Freeze–thaw-cycle damage is one of the main aging problems of concrete engineering in cold regions, and the analysis of its damage mechanism has become a focus in the field of concrete aging. In this paper, on the basis ... -
Effect of Internal Curing with Superabsorbent Polymers on the Compressive Strength and Shrinkage of Concrete with Natural Volcanic Ash
(ASCE, 2024/06/01)The abundant natural volcanic ash (NVA) in East Africa is a prospective supplementary cementitious material that may be used to produce green and economical railway concrete. To mitigate the shrinkage of concrete with NVA, ... -
Experimental Investigation on the Rheological Properties and Erosion Mechanisms of Chloride Salt–Modified Asphalt Mortar
(ASCE, 2024/02/01)The direct action of salt on asphalt materials has received limited research despite the abundance of studies on salt erosion and its effects on the moisture stability of asphalt concrete. This study aimed to investigate ... -
Fatigue-Healing Performance Evaluation of Fiber-Modified Asphalt Mixture
(ASCE, 2024/01/01)Fiber-modified asphalt mixture has been the focus in functional pavement materials because of its excellent mechanical and self-healing performance. In this paper, an indirect tensile fatigue test was conducted to study ... -
Novel Approach to Characterize Moisture Damage in Asphalt Mixtures Based on Critical Permeability
(ASCE, 2024/05/01)Moisture damage resistance assessment in asphalt mixtures traditionally relies on the tensile strength ratio (TSR) method, which may not capture the complex behavior of asphalt under moisture ingress. This study proposes ... -
An Investigation of the Bonding between Calcium Phosphate Cement Overlay and Old Concrete Substrate
(ASCE, 2024/06/01)This research focuses on the bonding between calcium phosphate cement (CPC) composites designed as a thin repair overlay material and old ordinary portland cement (OPC) as a concrete substrate. The OPC concrete substrate ... -
Effect of Synthesized Sol-Type Nano-SiO2 on the Mechanical Properties and Drying Shrinkage of Fly Ash–Slag-Based Geopolymer
(ASCE, 2024/05/01)In this study, nano-SiO2 was synthesized using the sol-gel method to modify the properties of fly ash-slag geopolymers (FASGs). FASGs with six contents of sol-type nano-SiO2 (0, 0.1%, 0.2%, 0.3%, 0.4%, and 0.5%) and two ... -
Propagation Characteristics of Acoustic Emission Waves in Three Different Asphalt Pavement Materials
(ASCE, 2024/03/01)Due to the differences of physical and mechanical properties of asphalt pavement materials, asphalt pavement (asphalt mixture) presents complex characteristics. To explore the acoustic emission (AE) wave characteristics ... -
Rayleigh Wave Fields in a Multilayered Micropolar Media
(ASCE, 2024/04/01)This paper investigates the motion of Rayleigh wave fields produced by a seismic surface pulse in an isotropic micropolar elastic half-space and in a multilayered micropolar media. The method of potentials followed by the ... -
Interface Shear Behavior of Ultrahigh-Performance Fiber-Reinforced Concrete Using Digital Image Correlation Technique
(ASCE, 2024/03/01)Ensuring good interface shear resistance is essential in structural applications. Hence, understanding the interface shear behavior of ultrahigh-performance fiber-reinforced concrete (UHPFRC) is essential. The interface ... -
Strength and Ductility of Concrete Confined by Fiber Metal Laminate Composites
(ASCE, 2024/06/01)This paper presents an experimental study on the compressive behavior of concrete cylinders confined with fiber metal laminate (FML) composites. This research was motivated by the need to address limitations of traditional ... -
Laboratory Investigation on the Use of Geocomposites as Waterproofing Systems for Concrete Bridge Decks
(ASCE, 2024/02/01)Water seepage in cement concrete structures is one of the main sources of degradation, especially for concrete bridge decks. Therefore, the protection of these strategic structures is a crucial task for civil engineers ... -
Amorphous Carbon Powder for Performance Enhancement of Sulfur Mortar: Alternative Fabrication Method
(ASCE, 2024/06/01)This study focused on the characterization of sulfur-modified mortars made with amorphous carbon powder (ACP). To this end, modified paste samples were fabricated initially with different ACP content through a dry mixing ... -
Hydration Mechanism of Cement Pastes with the Addition of Dry Ice through Electrochemical Impedance Spectroscopy
(ASCE, 2024/03/01)The addition of dry ice as an admixture to cement pastes has many advantages such as improving the compressive strength and sequestration of CO2. However, its effect on the hydration mechanism of cement pastes is still ... -
Tensile and Low-Cycle Fatigue Properties of HTRB630 High-Strength Steel Bars after Exposure to High Temperatures
(ASCE, 2024/02/01)Heat-treated ribbed bar 630 (HTRB630) is a new type of reinforcing steel produced in China. The tensile properties and low-cycle fatigue properties of HTRB630 high-strength steel bars after exposure to high temperature are ... -
Effect of Sisal Fibers on the Rheology of Cement Paste Plasticized by Polycarboxylate Superplasticizer
(ASCE, 2024/03/01)Sisal fibers (SF) and polycarboxylate superplasticizers (PCE) contribute to the sustainable development of cementitious materials by improving and optimizing their hardening properties. In this study, the impact of SF and ... -
Fracture Resistance of RAP Containing Recycled Polyethylene and Different Rejuvenators at Low and Medium Temperatures Using a Nonstandard SCB Test
(ASCE, 2024/06/01)Reclaimed asphalt pavement (RAP) contains significant amounts of valuable materials, which in new construction in the pavement industry contributes to sustainable development and promoting a circular economy. However, the ...