Search Results - "Jin, Qingxu"

How do specific surface area and particle size distribution change when granular media dissolve? by Bullard, Jeffrey W., Jin, Qingxu, Snyder, Kenneth A.

“…The measured dissolution rate of a granular medium depends on its surface area and how the surface area changes during the course of the measurement. Moreover,…”
Get full text

Low-grade fly ash in portland cement blends: A decoupling approach to evaluate reactivity and hydration effects by Jin, Qingxu, Liao, Wenyu, Ni, Xiaoqiang, Ma, Hongyan

“…Fly ash with low glass content is often prohibited from use in concrete due to the low reactivity and/or the inclusion of contaminants. However, the scarcity…”
Get full text

Crack sealers for the preservation of concrete bridge decks: a synthesis of a national survey and literature review by Ni, Xiaoqiang, Leon-Miquel, Matias, Greiner, Quentin R., Paul, Alvaro, Jin, Qingxu

“…Crack sealers are crucial for preserving concrete bridge decks and extending their service life. This paper presents a comprehensive national survey in the…”
Get full text

Development of lightweight engineered cementitious composite for durability enhancement of tall concrete wind towers by Jin, Qingxu, Li, Victor C.

“…Recently, concrete (especially high strength concrete) is considered the most suitable material for building tall wind turbine towers. However, concrete is…”
Get full text

Effective joining method for pseudo-ductile permanent formwork by Jin, Qingxu, Leung, Christopher K. Y., Yu, Changli

“…A novel joining method for permanent formwork, involving the embedment of GFRP in high-strength fiber reinforced cementitious composites (HSFRCC), is proposed…”
Get full text

A review of existing codes and standards on design factors for UHPC placement and fiber orientation by Islam, Md. Mashfiqul, Zhang, Qian, Jin, Qingxu

“…•Review different construction procedure and their effects on fiber orientation.•Review existing UHPC design codes and their consideration of fiber…”
Get full text

Structural and durability assessment of ECC/concrete dual-layer system for tall wind turbine towers by Jin, Qingxu, Li, Victor C.

“…•Iterative design method is developed to evaluate ECC/Concrete dual-layer system for tall wind turbine towers.•ECC protective layers significantly prolong the…”
Get full text

NOx uptake capacities and sequestration pathways by hydrated cementitious phases by Jin, Qingxu, Lucas, Samuel N., Tang, Yuanzhi, Kurtis, Kimberly E.

“…This study seeks to quantify NOx sequestration by individual hydrated cementitious phases (C-S-H, AFm-SO4, and Ca (OH)2), establish a fundamental understanding…”
Get full text

Microstructure and durability performance of sustainable cementitious composites containing high-volume regenerative biosilica by Li, Jiaqi, Jin, Qingxu, Zhang, Wenxin, Li, Chen, Monteiro, Paulo J.M.

“…•High-purity biosilica (DE) can be a regenerative byproduct in cementitious materials.•The replacement of cement with 30% DE significantly improves leaching…”
Get full text

NOx sequestration by calcium aluminate cementitious materials by Jin, Qingxu, Hordern, Sarah L., Tang, Yuanzhi, Kurtis, Kimberly E.

“…This study quantifies NOx uptake efficiency and explores NOx binding mechanisms in calcium aluminate cementitious (CAC) materials. Comparison between…”
Get full text

On the effect of simulated contamination of chlorides and sulfates on steel rebar corrosion: Electrochemical behavior and surface analysis by Melo, Paula, Echagüe, Matías, Guerra, Carolina, Jin, Qingxu, Sancy, Mamié, Paul, Alvaro

“…•Marginal materials can produce internal presence of chloride and sulfate in concrete.•The effect of sulfate on carbon steel corrosion depends on the…”
Get full text

Novel application of Chilean natural pozzolan for sustainable strain-hardening cementitious composite by Leon-Miquel, Matias, Silva-Retamal, Juan, Aparicio, Diego, Rangelov, Milena, Jin, Qingxu, Paul, Alvaro

“…This study aims to develop a novel solution to improve the sustainability and resiliency of the infrastructure in Chile. Due to the country's unique geographic…”
Get full text

In-situ microtomography image segmentation for characterizing strain-hardening cementitious composites under tension using machine learning by Xu, Ke, Jin, Qingxu, Li, Jiaqi, Ushizima, Daniela M., Li, Victor C., Kurtis, Kimberly E., Monteiro, Paulo J.M.

“…The application of machine learning and computer vision in microtomography provides new opportunities to directly analyze the microstructural evolutions of…”
Get full text

Temperature dependence of gypsum dissolution rates by Jin, Qingxu, Perry, LaKesha N., Bullard, Jeffrey W.

“…The reaction kinetics of gypsum dissolution are important for establishing an optimum gypsum content in portland cement. In this paper, the temperature…”
Get full text

Short-term associations between precipitation and gastrointestinal illness-related hospital admissions: A multi-city study in Texas by Du, Shichao, Chien, Lung-Chang, Bush, Kathleen F., Giri, Sharmila, Richardson, Leigh Ann, Li, Mo, Jin, Qingxu, Li, Tianxing, Nicklett, Emily Joy, Li, Ruosha, Zhang, Kai

“…The ongoing climate change crisis presents challenges to the global public health system. The risk of gastrointestinal illness (GI) related hospitalization…”
Get full text

Mineralogy optimization for immobilization of potentially toxic elements and halides in Co-disposed flue gas desulfurization brines and bituminous coal fly ash by Zhang, Wenlong, Gallagher, Benjamin, Jin, Qingxu, Huang, Ching-Hua

“…•Co-disposal of flue gas desulfurization wastewater brine and bituminous coal fly ash.•Zero liquid discharge through solidification/stabilization.•Contaminants…”
Get full text

Fiber-Reinforced-Cementitious-Composites Plate for Anchoring FRP Sheet on Concrete Member by Jin, Qingxu, Leung, Christopher K. Y

“…To improve the fiber-reinforced polymer (FRP)/concrete bond capacity, this paper presents a new anchoring approach with the gluing of precast fiber-reinforced…”
Get full text