Jianyong Pang
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View article: Experimental study on dynamic mechanical properties of hybrid fiber reinforced concrete at different temperatures
Experimental study on dynamic mechanical properties of hybrid fiber reinforced concrete at different temperatures Open
This paper quantitatively explores the regulatory effects of rice husk ash content, polypropylene fiber, and steel fiber volume fractions on the mechanical properties of hybrid Fiber reinforced concrete (HFRC) through a series of orthogona…
View article: Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete
Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete Open
To investigate the effect of waste glass material particle sizes on the mechanical and durability properties of concrete, a two-phase experimental approach was conducted. First, comprehensive tests were performed to examine the effects of …
View article: Experimental study on recycling rubber to increase the impact resistance of cement mortar
Experimental study on recycling rubber to increase the impact resistance of cement mortar Open
View article: Mechanisms of Mechanical Property Degradation and Dynamic Response Characteristics of Hybrid Fiber Reinforced Concrete under High-Temperature Conditions
Mechanisms of Mechanical Property Degradation and Dynamic Response Characteristics of Hybrid Fiber Reinforced Concrete under High-Temperature Conditions Open
In the context of building fire scenarios, this paper thoroughly investigates the degradation patterns of mechanical properties, dynamic response characteristics, and microstructural evolution of hybrid fiber reinforced concrete (HFRC) und…
View article: Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete
Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete Open
To investigate the response of concrete's mechanical and durability properties to different particle sizes of waste glass materials, two stages of experiments were conducted. First, comprehensive tests were carried out to separately study …
View article: Study on static and dynamic mechanical properties and microstructure of silica fume-polypropylene fiber modified rubber concrete
Study on static and dynamic mechanical properties and microstructure of silica fume-polypropylene fiber modified rubber concrete Open
View article: Variable angle of insulated shotcrete under different loading rates and temperature and humidity cycles- shear test and analysis
Variable angle of insulated shotcrete under different loading rates and temperature and humidity cycles- shear test and analysis Open
The new thermal insulating shotcrete is of great significance for the management of thermal damage in deep mines, and its own strength has a greater impact on the roadway insulation and safe production, so it is very necessary to study the…
View article: Research and development of fully enclosed wire-shell support structure technology for deep soft rock roadway based on TRIZ theory
Research and development of fully enclosed wire-shell support structure technology for deep soft rock roadway based on TRIZ theory Open
The TRIZ theory was used to accurately discover the problems to be solved in the design of roadway surrounding rock control technology. This paper tried to solve the complex issue of surrounding rock control in deep roadways from a new per…
View article: Response Tests on the Effects of Particle Size of Waste Glass Sand and Glass Powder on the Mechanical and Durability Performance of Concrete
Response Tests on the Effects of Particle Size of Waste Glass Sand and Glass Powder on the Mechanical and Durability Performance of Concrete Open
View article: Mechanical Properties and Microstructure of Rice Husk Ash–Rubber–Fiber Concrete under Hygrothermal Environment
Mechanical Properties and Microstructure of Rice Husk Ash–Rubber–Fiber Concrete under Hygrothermal Environment Open
In order to study the mechanical properties of rice husk ash–rubber–fiber concrete (RRFC) under hygrothermal environment, the optimal group was selected by orthogonal test. The mass loss, relative dynamic elastic modulus analysis, strength…
View article: Performance of Rubber Concrete Containing Polypropylene and Basalt Fibers under Coupled Sulfate Attack and Freeze–Thaw Conditions: An Experimental Evaluation
Performance of Rubber Concrete Containing Polypropylene and Basalt Fibers under Coupled Sulfate Attack and Freeze–Thaw Conditions: An Experimental Evaluation Open
Rubber concrete (RC) is a new type of concrete that is currently receiving a lot of attention, solving serious pollution problems by grinding waste tires into granules and adding them to concrete. However, rubber concrete has deficiencies …
View article: Influence of Basalt/Polypropylene Fiber on Permeability and Uniaxial Compressive Properties of Waste Tire Rubberized Concrete
Influence of Basalt/Polypropylene Fiber on Permeability and Uniaxial Compressive Properties of Waste Tire Rubberized Concrete Open
The rubber particles obtained from the grinding of waste tires can replace a portion of the fine aggregates in concrete, thus effectively reducing the level of environmental damage and saving resources. However, when concrete is mixed with…
View article: Research Progress on the Influence of Varying Fiber Contents on Mechanical Properties of Recycled Concrete
Research Progress on the Influence of Varying Fiber Contents on Mechanical Properties of Recycled Concrete Open
Applying recycled concrete for engineered projects not only protects the ecological environment but also improves the utilization rate of waste concrete to satisfy sustainable development requirements. However, the mechanical properties of…
View article: Experimental Study on the Influence of Different Loading Rates on Fatigue Mechanical Properties of Sandstone
Experimental Study on the Influence of Different Loading Rates on Fatigue Mechanical Properties of Sandstone Open
Underground rock engineering often encounters long-term cyclic loading and unloading. Under the influence of this effect, the mechanical characteristics of rocks will inevitably change, which will affect the stability and safety of undergr…
View article: An Emerging Solution for Medical Waste: Reuse of COVID-19 Protective Suit in Concrete
An Emerging Solution for Medical Waste: Reuse of COVID-19 Protective Suit in Concrete Open
With the continuous spread of COVID-19 (coronavirus disease 2019), a large number of medical protective suits (PS) have been used and discarded, causing great damage to the ecological environment. The main component of PS is polypropylene …
View article: Experimental Study on Damage Characteristics of Solidified Mud under Coupling Action of Freeze-Thaw Cycle and Chloride Salt
Experimental Study on Damage Characteristics of Solidified Mud under Coupling Action of Freeze-Thaw Cycle and Chloride Salt Open
The physical properties of solidified mud will deteriorate under the combined action of freezing-thawing cycle and chlorine salt, which will affect the safety and stability of solidified mud engineering. In order to study the damage charac…
View article: Experimental Study on Mechanical Properties of High Temperature Granite with Different Cooling Methods
Experimental Study on Mechanical Properties of High Temperature Granite with Different Cooling Methods Open
Due to various factors, high-temperature rocks are often affected by different cooling methods. They will lead to changes in rock mechanical properties, which firmly connect with the safety and stability of practical projects. At present, …
View article: Study on the Mechanical Properties and Thermal Conductivity of Cotton Stalk Fiber Heat-Insulating Shotcrete
Study on the Mechanical Properties and Thermal Conductivity of Cotton Stalk Fiber Heat-Insulating Shotcrete Open
In this study, heat-insulating shotcrete with excellent performance was developed to effectively reduce the thermal conductivity and meet the strength requirements of shotcrete in high ground temperature roadways. Ceramsite and pottery san…
View article: Medical Waste Management: Feasibility Assessment of Recycled Covid-19 Protective Suit in Construction Concrete
Medical Waste Management: Feasibility Assessment of Recycled Covid-19 Protective Suit in Construction Concrete Open
View article: Effect of Chlorine Salt on Durability of Mineral Admixture Concrete under Different Conditions
Effect of Chlorine Salt on Durability of Mineral Admixture Concrete under Different Conditions Open
Mineral admixture concrete is a renewable material. It requires less cement than ordinary concrete and is thus beneficial for economical use of resources and environmental protection. To examine the impact of chloride salt on the durabilit…
View article: Effects of Various Corrosive Ions on Metakaolin Concrete
Effects of Various Corrosive Ions on Metakaolin Concrete Open
In order to study and verify if the three corrosive irons of SO42−, Mg2+, and Cl− could promote or inhibit each other in concrete corrosion as time goes by, we take Metakaolin (MK) as the research object to explore the interaction mechanis…
View article: Experimental Study on the Influence of Rubber Content on Chloride Salt Corrosion Resistance Performance of Concrete
Experimental Study on the Influence of Rubber Content on Chloride Salt Corrosion Resistance Performance of Concrete Open
In order to enhance the corrosion resistance of concrete to chloride salt, 5% NaCl solution was used to corrode ordinary concrete (OC) and rubber concrete (RC) with 5%, 10%, and 15% rubber content, respectively. By testing the compressive …
View article: A Research on Durability Degradation of Mineral Admixture Concrete
A Research on Durability Degradation of Mineral Admixture Concrete Open
In order to study the degradation laws and mechanisms of admixture concretes with single-added SO42− and composite of Mg2+ and SO42−, respectively, the durability tests were conducted on three types of mineral admixture concretes (concrete…
View article: Evolution regularity of temperature field of active heat insulation roadway considering thermal insulation spraying and grouting: A case study of Zhujidong Coal Mine, China
Evolution regularity of temperature field of active heat insulation roadway considering thermal insulation spraying and grouting: A case study of Zhujidong Coal Mine, China Open
To study the active heat insulation roadways of high-temperature mines considering thermal insulation and injection, a high-temperature −965 m return air roadway of Zhujidong Coal Mine (Anhui Province, China) is selected as a prototype. Th…
View article: Mechanical and Dynamic Properties of Hybrid Fiber Reinforced Fly‐Ash Concrete
Mechanical and Dynamic Properties of Hybrid Fiber Reinforced Fly‐Ash Concrete Open
In order to explore the influence of basalt‐polypropylene hybrid fiber on the static mechanical properties and dynamic compression properties of fly‐ash concrete, 16 groups of basalt‐polypropylene hybrid fiber fly‐ash concrete (HBPC) and 1…
View article: Experimental Research on Chloride Erosion Resistance of Rubber Concrete
Experimental Research on Chloride Erosion Resistance of Rubber Concrete Open
Chloride corrosion test was carried out in 4% NaCl solution to study the chloride corrosion resistance of rubber concrete. Rubber concrete was prepared by using 20 mesh, 1∼3 mm, and 3∼6 mm rubber particles instead of sand by 5%, 10%, 15%, …
View article: Experimental Study on Physicomechanical Properties of Deep Sandstone by Coupling of Dry‐Wet Cycles and Acidic Environment
Experimental Study on Physicomechanical Properties of Deep Sandstone by Coupling of Dry‐Wet Cycles and Acidic Environment Open
Underground engineering, especially deep geotechnical engineering, is often affected alternately by groundwater infiltration and ventilation drying during construction and use. In addition, acid rain, mineral dissolution, acid deposition, …
View article: The Uniaxial Creep Characteristics of Red Sandstone under Dry‐Wet Cycles
The Uniaxial Creep Characteristics of Red Sandstone under Dry‐Wet Cycles Open
Water is one of the most important factors that affect the long‐term stability of geotechnical engineering structures. Rainfall often results in periodic changes in the water content in underground rock, which is subjected to alternating d…
View article: Carbonation Resistance Performance and Micro-Structure Analysis of Glazed Hollow Bead Insulation Concrete
Carbonation Resistance Performance and Micro-Structure Analysis of Glazed Hollow Bead Insulation Concrete Open
In this paper, the carbonation depths of glazed hollow bead insulation concrete (GHBC) and normal concrete (NC) at different carbonation ages are tested. The microstructure of GHBC and NC before and after carbonation were observed and comp…
View article: Dynamic Mechanical Properties and Fractal Characteristics of Polypropylene Fiber-Reinforced Cement Soil under Impact Loading
Dynamic Mechanical Properties and Fractal Characteristics of Polypropylene Fiber-Reinforced Cement Soil under Impact Loading Open
This paper aims to study the dynamic mechanical properties, failure patterns, fractal behaviors, and energy dissipation of polypropylene fiber-reinforced cement soil under impact loading. Dynamic compression tests for reinforced cement soi…