Articles tagged with Structural Engineering
MIT researchers developed a framework that allows users to apply constraints to algorithmically generated structures, making them more buildable. The approach has the potential to reduce carbon emissions in construction by up to 90% by designing structures with multiple materials and taking into account materials' properties.
A University of Houston engineering professor developed a mathematical model to help decision-makers decide where to spend limited dollars on infrastructure resilience. The model accounts for real-world uncertainty and identifies critical assets to invest in, providing the greatest benefit before disaster strikes.
A team from Graz University of Technology has developed a prefabricated brick wall system that can be dismantled and re-used without being destroyed. The system reduces CO2 emissions by up to 60% compared to conventional construction methods, offering significant environmental benefits.
Researchers at Princeton University developed a system to mimic natural structures' microstructural patterns and mechanical properties. By combining origami and tensegrity, they found that the same equation describes both engineering structures, enabling designers to create irregular shapes with less computational complexity.
Researchers at the University of Houston have developed an AI-driven framework to extract and analyze historical flood insurance maps, uncovering significant changes in flood hazard areas. The study reveals that flood risks have expanded in two areas and reduced in one, with critical consequences for resilience and exposure.
The new facility enables scientists to observe and measure detonation forces in unprecedented detail, shedding light on industrial safety risks and potential breakthroughs. Researchers aim to develop safer designs and protocols by examining detonation disasters like the Buncefield Fire.
A mild chemical strategy enhances interfacial bonding and pore structure in biomass-based magnesium cement materials, leading to improved mechanical strength and thermal insulation. The approach promotes more uniform pore distribution, stabilizes the foam structure within the composite, and reduces environmental burden.
A new method, MIDA, uses physics-based ground motion simulations tied to earthquake magnitude to better assess seismic performance of near-fault structures. This approach reduces subjectivity and nonphysical distortion, providing a more stable and realistic prediction of structural response.
Frangopol and his team develop a framework to optimize seismic retrofit strategies for deteriorating bridge columns, balancing risk and cost. The approach integrates time-dependent risk assessment, economic evaluation, and real options analysis to identify optimal intervention timing under uncertainty.
University of Warwick engineers led an international committee to update Eurocode 4, a standard for composite steel and concrete structures used in buildings and bridges. The updated standard introduces new guidance for modern construction techniques and advances the design of shear connections.
Researchers found that concrete slab size is the worst offender in terms of carbon emissions, with changing this feature alone able to save large amounts of emissions. Optimize design decisions such as floor thickness, building materials, and construction culture to reduce pollution.
Pyrochlore oxides represent a promising next-generation approach to efficient energy storage, offering high-energy density, thermal stability, and low dielectric loss. Their potential applications include multilayer ceramic capacitors, power conditioning circuits, and miniaturized capacitors for aerospace electronics.
As climates become more extreme, traditional building designs are failing to keep people safe and comfortable. A new generation of architects is creating climate-ready buildings that can maintain comfortable temperatures independently from the grid, using local natural resources like sun, wind, and ground-sourced energy.
The Norwegian University of Life Sciences has launched ClimateDataForBuildings, an open platform providing energy and climate modelling data for over 3,600 European locations. The platform delivers high-resolution CERRA reanalysis data for building performance and HVAC design.
Researchers developed a winged composite pile foundation system to enhance wind resistance and utilize surplus excavated soil. The study found that larger expanded base wing diameters significantly increased uplift resistance, while soil density and surface characteristics of the steel components also played crucial roles.
Researchers at the University of Plymouth have discovered a method to increase muon lifetime using intense laser pulses. By applying quantum interference principles, they aim to develop new scientific facilities that utilize muons instead of electrons.
The new manual provides comprehensive guidance on designing permanent bamboo structures, covering topics such as fire safety and durability. It aims to support the global use of bamboo construction, a low-carbon alternative with remarkable mechanical properties.
A newly designed mechanophore, called DAANAC, was developed to provide early warning against mechanical failure while resisting heat and UV. It features a stable and fluorescent diarylacetonitrile radical coupled to an alkoxycarbonyl radical that quenches fluorescence.
Researchers develop a novel integrated data model that merges construction and geospatial information standards to manage bridges' 3D geometry data and maintenance records. This framework enables accurate damage location assessment, repair prioritization, and predictive maintenance, leading to improved infrastructure safety and longevity.
The Kansas Flood Mapping Dashboard uses stream gauge data and terrain-based models to generate flood inundation maps, providing critical information for emergency management. The dashboard is a result of collaborative research efforts between KU researchers and state agencies, utilizing science and research for the benefit of the state.
Researchers warn of structural weakening in urban areas as a result of groundwater overexploitation, posing risks to millions of people. Satellite radar data reveals nearly 1.9 million people exposed to subsidence rates greater than 4 millimeters per year.
Southwest Research Institute (SwRI) will predict F-16 landing gear component lifespan and recommend maintenance improvements under a $9.9 million contract. The seven-year agreement leverages SwRI's aging aircraft expertise in probabilistic analysis, fatigue testing.
Brian Wirth, UT-ORNL Governor’s Chair Professor, was elected Fellow of the American Physical Society for his groundbreaking work on plasma-surface interactions. His research has led to high-fidelity simulation tools predicting fusion plasma surface interactions, resulting in significant advancements.
Professor Dan M. Frangopol, Lehigh University's inaugural Fazlur R. Khan Endowed Chair, was recognized for his work on life-cycle civil engineering at the 21st International Probabilistic Workshop in Germany. He is widely credited with establishing this field and has authored over 500 peer-reviewed journal articles.
The authors argue that energy availability has driven architectural design throughout history, with fossil fuels transforming buildings in the 17th century. They challenge conventional wisdom on sustainability, highlighting the high energy costs of modern minimalist designs like the Seagram Building.
Researchers at Princeton University have developed a new type of origami that changes its shape and properties in response to external stimuli. By introducing elastic components, they can execute precise folding patterns not previously possible. This technology has potential applications in prosthetics, antennas, and other devices.
The American Association for the Advancement of Science (AAAS) has launched a new journal, Civil Engineering Sciences, which aims to publish interdisciplinary and cutting-edge works on discoveries and innovations in civil engineering. The journal will promote future reform and innovation in civil engineering science and technology.
Research on mass timber found that exposed wood can resist bacterial abundance and inhibit the spread of pathogens, making it a promising material for healthcare facilities. The study's results also suggest that wood can emit compounds called terpenes, which have antimicrobial properties.
Dan M. Frangopol, a pioneer in life-cycle civil engineering, has been recognized by the International Association of Structural Safety and Reliability (IASSAR) for his sustained service to the organization. He is the inaugural recipient of the Distinguished Service Award, established in 2013.
Southwest Research Institute (SwRI) has received a new contract worth up to $250 million from the US Air Force to sustain the structural integrity of aging military aircraft. The program supports the A-10 Thunderbolt II, T-38 Talon, C-5 cargo carrier, and B-52 Stratofortress bomber, among others.
A team of Australian engineers has developed a process to convert low-grade illite and kaolin clays into high-performance cement supplements, reducing CO2 emissions and increasing concrete strength. The study demonstrates the feasibility of using these clays as substitutes for traditional cement in construction materials.
Researchers at UCF used a combination of emerging technologies to evaluate the safety of concrete bridges. By combining infrared thermography, high-definition imaging and neural network analysis, they can quickly identify defects and prioritize repairs.
Researchers at Graz University of Technology developed a holistic solution for structural monitoring, combining various technologies to provide usable findings for service life forecasts and proactive maintenance planning.
Researchers developed a bio-inspired thermoelectric cement with a Seebeck coefficient of −40.5 mV/K, surpassing previous materials by ten times. The composite achieves superior mechanical strength and energy storage potential, enabling continuous power supply for electronic devices.
The device uses AI technology to detect potential heart problems and provides real-time health insights. It has multiple points touching the skin near the heart, allowing for more accurate tracking even during movement.
The iKS3 element offers a computationally efficient approach to SHM of thin-walled structures, detecting structural degradation in real-time and requiring fewer sensors than existing methods. It demonstrates effectiveness in aerospace, naval, and energy applications by reducing the reliance on dense sensor networks.
Researchers developed a novel processing technique to create super-strong, lightweight wood that surpasses natural wood's mechanical properties. The resulting self-densified wood boasts exceptional tensile strength, flexural strength, and impact toughness.
Researchers used reinforcement learning to simulate coastal defense strategies against sea level rise and flooding, finding dynamic seawalls to be more cost-effective than traditional methods. The study aimed to address uncertainty in long-term climate change mitigation efforts and provide a flexible approach for communities to prepare...
A large crack was unexpectedly found in a T-38 Talon's cockpit longeron, prompting the US Air Force to ground its entire fleet for visual inspections. SwRI's risk and damage tolerance analyses helped determine an optimal inspection schedule, minimizing downtime and maintaining safety.
Researchers forecast shaking damage from crustal earthquake scenarios in Mexico City, with varying levels of damage depending on the region's underlying geology. The study modeled earthquakes up to magnitude 5.5 and found that one- to two-story buildings received the most damage, particularly in areas with soft lakebed sediments.
A novel computational model enables prediction and improvement of multifunctional structures in 3D printing. Researchers have controlled internal structure to enhance mechanical resistance and electrical signal transmission.
A USC study has found a drastic increase in building collapses in Alexandria, Egypt, due to rising sea levels and seawater intrusion. The researchers used a three-pronged approach to assess the impact of shoreline changes on the city's buildings.
Professor Dan Frangopol has made transformative contributions to structural reliability, optimization, and sustainable infrastructure management. His work represents the dedication to research and scholarship that Lehigh University strives to cultivate.
Cornell researchers discover way to control metal solidification transformations by adjusting alloy composition, leading to improved strength and reliability of printed metal parts. The method involves disrupting column-like grain growth, significantly reducing grain size and improving yield strength.
The University of Bath's RENEW research center has published a manifesto on regenerative design and engineering to address the climate crisis. The guidebook provides a framework for creating 'Net Positive' buildings, technologies, and systems that renew unity with nature.
Researchers propose a novel strategy for highly controllable micro-nano fabrication using focal volume optics in transparent solids. The approach enables the creation of composite structures with finer structures and tunable properties, opening up new avenues for photonics and nanophotonics applications.
The authors introduce advanced methodologies for integrating maintenance strategies and structural health monitoring to extend infrastructure service life. Topics include data-driven decision-making, multi-objective optimization, cost-benefit analysis, and the role of data analytics in managing uncertainties.
Researchers create system to manipulate cell behavior using 'crowd control' technique, enabling predictable patterns and structures. Cell density plays key role in guiding cellular development, offering potential for medical applications such as tissue engineering and organ regeneration.
Researchers at Pohang University of Science & Technology (POSTECH) developed a smart insect screen-inspired film that regulates solar heat and lowers interior temperatures. The breakthrough, published in Advanced Functional Materials, achieves both transparency and radiative cooling performance.
A multidisciplinary team of engineers and architects applied origami techniques to create living buildings that respond to environmental factors. The researchers combined human design creativity with computational intelligence to increase the effectiveness of designs for environmentally responsive building technologies.
Southwest Research Institute (SwRI) will help the US Air Force modernize methods to sustain three fleets of military aircraft, including the T-38 Talon, A-10 Thunderbolt II, and B-52 Stratofortress. The institute's analyses will aid in determining when structural repairs are necessary.
The Atlantic Marine Energy Center (AMEC) will develop new research projects, infrastructure, and educational programs using the funding. Lehigh University will lead two research projects focused on tidal turbine blades and real-time stable marine energy microgrid power management.
The school will focus on methods to address structural safety and infrastructure resilience challenges in a climate change context. Key findings include the importance of increasing infrastructure resilience to reduce social wellbeing impacts.
Researchers have developed functional interlocking metasurfaces that offer more structural strength and stability than traditional techniques like bolts and adhesives. These metasurfaces can selectively disengage and re-engage on demand while maintaining consistent joint strength.
By combining design schemes with robotic additive manufacturing, researchers increased crack resistance in concrete by up to 63% compared to conventional cast concrete. The technique relies on mechanisms that shield cracks, interlock fractured surfaces, or deflect cracks from a straight path.
Researchers propose a leaf-inspired luminescent solar concentrator (LSC) design to overcome scalability limitations. The innovative setup enhances photon collection and transfer, improving efficiency and reducing self-absorption issues.
Liheng Cai, a UVA engineering professor, has received a $1.9 million NIH grant to create advanced biomaterials that can be used to repair living tissues and build organ structures. His lab aims to develop polymers that mimic human biology and integrate healthy cells into the human body.
Researchers at UCLA have developed a wavelength-multiplexed diffractive optical processor that enables all-optical multiplane quantitative phase imaging. This approach allows for rapid and efficient imaging of specimens across multiple axial planes without the need for digital phase recovery algorithms.
A team of Lehigh University researchers led by Professor Muhannad Suleiman is working to develop floating offshore wind platforms that can harness both wind and wave energy. The goal is to create more efficient and resilient structures that can withstand extreme weather conditions.
Researchers at Princeton and UCLA developed a passive mechanism to cool buildings in summer and warm them in winter by restricting radiant heat flows. Common materials like polyvinyl fluoride and plastics can be adapted for this purpose, achieving energy savings and thermal comfort beyond traditional building envelopes.