Shandong Jianzhu University

Strategies for Co-Control of Air Pollutants and Greenhouse Gases: Insights from an Integrated Emission Inventory in Shandong Province

Air pollutants and greenhouse gases (GHGs) share some anthropogenic emission sources. However, their source-category contributions, city-level emission magnitudes, and spatial patterns are not fully consistent. Therefore, universal co-control effects cannot be inferred solely fro...

Structural optimization and performance study of a biomimetic spiral baffle flow channel for PEMFC based on a BO-RBF surrogate model

The bipolar plate is a key component of a proton exchange membrane fuel cell (PEMFC), and the flow channel structure on its surface directly affects the cell performance. Inspired by the spiral valve structure in the intestine of the Greenland shark, a biomimetic spiral baffle fl...

Fault-tolerant control of bionic robotic fish based on a hybrid Bayesian-Northern Goshawk Optimization framework

When bionic robotic fish operate in complex environments, central pattern generator units are prone to lock-up faults, which can severely degrade locomotion controllability. To address these issues, this study proposes a bio-inspired fault-tolerant proportional–integral–derivativ...

Research of bearing fault diagnosis methods based on persistent homology

The persistent homology method is a recent big data analysis tool that can not only explore the nonlinear structure of high-dimensional complex data but also discover the shape of the data. In this article, a sliding window method is used to construct point clouds from Case Weste...

Synthesis of α′H-belite calcium sulfoaluminate cement from lithium slag: Raw mix design for tailoring clinker mineral phase composition and hydration kinetics

Based on the chemical composition of lithium slag (LMS), a high-belite calcium sulfoaluminate (HB-CSA) clinker containing 18.45% α′ H -C 2 S was synthesized by tailoring the raw mix design. The effects of the basicity coefficient and Al/S̄ ratio on clinker phase assemblage and th...

Experimental and numerical studies on the fire resistance of reactive powder concrete-filled steel tubular columns

Reactive powder concrete-filled steel tubular (RPCFST) column is composed of high strength reactive powder concrete (RPC) wrapped by outer steel tube. At present, the failure mechanism, stress variation law, decisive factors of fire resistance limit and its calculation method of...

Experimental study on the evolution of mesoscopic structure and macroscopic mechanical properties of typical karst fillings soil under dry-wet cycles

Jinan in Shandong Province is a typical karst development zone in northern China. When buildings are constructed above filled karst caves, the water environment of the karst fillings may be altered, and their mechanical properties gradually deteriorate under alternating dry-wet c...

Tool Wear and Failure Prediction in Machining Difficult-to-Machine Materials: A Review of Monitoring, Modeling, and Intelligent Manufacturing Technologies

Difficult-to-machine materials, including titanium alloys, nickel-based superalloys, hardened and high-strength steels, stainless steels, and fiber-reinforced composites, are widely used in advanced manufacturing but impose severe thermo-mechanical–chemical loads on cutting tools...

HabitOSR: Research on the Habit‐Formation Mechanism and Method for Prioritized Unknown Fault Identification in Open Set Bearing Diagnosis

ABSTRACT Reliable bearing fault diagnosis is critical for the safety of rotating machinery. Traditional closed‐set diagnostic methods assume that the training set encompasses all possible fault types, leading to frequent misclassifications of unknown faults in real‐world industri...

Evaluation of axial stress‐axial strain behavior of high‐strength fiber‐reinforced lightweight aggregate concrete ( HSFRLC ) confined with spiral stirrups under axial compression

Abstract The axial stress–strain models of confined high‐strength fiber‐reinforced lightweight concrete (HSFRLC) were important key inputs for analytical programs to predict the full‐range loading deformation of confined HSLC and HSFRLC. The descending branch of the axial stress‐...

An adaptive method for land cover service composition based on service network

With the rapid advancement of emerging Internet technologies, the number and diversity of land cover services have increased substantially, leading to the development of an open land cover service ecosystem. Consequently, the automated orchestration of fine-grained services to co...

A hierarchical neurobiologically inspired control framework for stable and energy efficient locomotion of bionic robotic fish

Balancing behavioral adaptability and actuation stability is crucial for biomimetic autonomous underwater vehicles (AUVs), inspired by fish sensory-motor systems. While biologically inspired computing methods have advanced rhythmic motion generation, it remains challenging to mai...

Nested star-shaped auxetic metamaterials for high-efficiency energy dissipation

Mechanical metamaterials exhibiting a negative Poisson’s ratio (NPR) have attracted broad interest due to their anomalous mechanical responses. Conventional star-shaped structures with auxetic effect often suffer from inefficient energy absorption and structural instability under...

Bibliometric overview of global electrocatalytic water treatment research

Remediation of refractory organic pollutants in aquatic environments has become a core research priority in global environmental science, and electrocatalytic oxidation has emerged as one of the most promising advanced oxidation processes owing to its high degradation efficiency,...

Ultratough and Adhesive Polyacrylamide Grafted Chitosan Hydrogel Reinforced by Whey Protein for Dual-Mode Food Quality Tracking and Multilevel Information Encryption

Abstract Food spoilage and product counterfeiting demand unified smart packaging solutions. This work reports a super-tough and highly adhesive hydrogel integrating anticounterfeiting and real-time freshness monitoring. The hydrogel, constructed from a polyacrylamide-grafted-chit...

Simulation-Based Multi-Scenario Assessment of Comprehensive Ecological Risk and Resilience: A Case Study of the Pearl River Delta

Under climate change, the demand for high-quality urban ecological security is rising. This study focuses on how rapid urbanization and climate change affect ecological risk, resilience, and land use functions (LUFs) spatial co-variation in the Pearl River Delta. Land use was sim...

Optimization of operational stability for ultra-high-speed elevators under time-delay disturbance: a study on DRL-GRU method

Purpose To solve the poor real-time performance of active control systems for ultra-high-speed elevator horizontal vibration suppression, which is caused by sensor signal delays and unknown external disturbances. Design/methodology/approach First, a nonlinear 8-degree-of-freedom...

Effects of a Waterborne Coating on the Moisture Response, Surface-Layer Structure, and Mechanical Properties of Inorganic-Bonded Bamboo Composite

Inorganic-bonded bamboo composite (InorgBam) combines the lightweight, high-strength nature of bamboo bundles with the heat resistance, low smoke emission, and environmental compatibility of inorganic binders. However, the inherent surface pores and inter-bundle gaps in this mate...

Supply chain resilience in China’s construction industry: spatiotemporal trends and forecast

Construction industrialisation is regarded as a core pathway to improve construction efficiency and reduce resource consumption amid the global urbanisation. However, existing research has verified that the instability of its supply chain system hinders the sustainable developmen...

Tannic Acid-CoatedCellulose Nanocrystals ReinforcedRobust Antimicrobial Hydrogel Colorimetric Sensor for Monitoring TunaFreshness

Abstract Tuna is valued for its nutritional benefits, but significant waste occurs due to inaccurate shelf life estimations. Herein, we developed a multifunctional, mechanically robust, and highly sensitive visual-sensing hydrogel tailored for real-time tuna freshness monitoring....