Results 81 to 90 of about 154,207 (310)

Air-Coupled Surface Wave Transmission Measurement Across A Partially Closed Surface-Breaking Crack In Concrete [PDF]

open access: yes, 2011
Previous researchers have demonstrated that the transmission of surface waves is effective to estimate the depth of a surface-breaking crack in solids. However, most of the results were obtained using a well-defined crack (or notch) in laboratory.
Kee, S. H., Zhu, J. Y.
core   +1 more source

Roadmap on Artificial Intelligence‐Augmented Additive Manufacturing

open access: yesAdvanced Intelligent Systems, EarlyView.
This Roadmap outlines the transformative role of artificial intelligence‐augmented additive manufacturing, highlighting advances in design, monitoring, and product development. By integrating tools such as generative design, computer vision, digital twins, and closed‐loop control, it presents pathways toward smart, scalable, and autonomous additive ...
Ali Zolfagharian   +37 more
wiley   +1 more source

Oolitic limestone and marine sandstone gravel aggregate Early life concrete and aggregate freeze/thaw test for durability [PDF]

open access: yes, 2011
Oolitic limestone is one type of limestone which formed during the Jurassic period and can be found in large deposits in many areas of England. It can be used as coarse aggregate for concrete construction, however due to its porosity, it requires ...
Hemapanpairo, Kawin   +5 more
core  

Pemanfaatan Hasil Pembakaran Limbah Cangkang Kelapa Sawit sebagai Bahan Pengganti Pasir pada Pembuatan Beton Normal [PDF]

open access: yes, 2017
In 2015 the total area of oil palm plantations in Kalimantan reached 3.47 million Ha with a production of 8.12 million tons per year. Solid waste is in the form of fresh fruit bunches and palm shells.
Fathurrahman, F. (Fathurrahman)   +1 more
core   +2 more sources

Palm Oil Fuel Ash (POFA) and Eggshell Powder (ESP) as Partial Replacement for Cement in Concrete

open access: yesE3S Web of Conferences, 2018
This study is an attempt to partially replace Ordinary Portland cement (OPC) in concrete with palm oil fuel ash (POFA) and eggshell powder (ESP). The mix proportions of POFA and ESP were varied at 10% of cement replacement and compared with OPC concrete ...
Mohamad Mazizah Ezdiani   +3 more
doaj   +1 more source

BMPCQA: Bioinspired Metaverse Point Cloud Quality Assessment Based on Large Multimodal Models

open access: yesAdvanced Intelligent Systems, EarlyView.
This study presents a bioinspired metaverse point cloud quality assessment metric, which simulates the human visual evaluation process to perform the point cloud quality assessment task. It first extracts rendering projection video features, normal image features, and point cloud patch features, which are then fed into a large multimodal model to ...
Huiyu Duan   +7 more
wiley   +1 more source

Comparison of compressive strength in mud bricks with shred tires and concrete particles as sustainable materials [PDF]

open access: yes, 2010
Mud bricks consist of clay, water and different materials. Comparing mud bricks to concrete blocks, an evolution in reducing the cost and also in increasing the compressive strength, can be made.
Kassim, Khairul Anuar, Niroumand, Hamed
core  

VAE+DDPG: An Attention‐Enhanced Variational Autoencoder for Deep Reinforcement Learning‐Based Autonomous Navigation in Low‐Light Environments

open access: yesAdvanced Intelligent Systems, EarlyView.
Variational Autoencoder+Deep Deterministic Policy Gradient addresses low‐light failures of infrared depth sensing for indoor robot navigation. Stage 1 pretrains an attention‐enhanced Variational Autoencoder (Convolutional Block Attention Module+Feature Pyramid Network) to map dark depth frames to a well‐lit reconstruction, yielding a 128‐D latent code ...
Uiseok Lee   +7 more
wiley   +1 more source

Efek Perawatan Terhadap Karakteristik Beton Geopolimer [PDF]

open access: yes, 2012
Geopolymer concrete is a kind of concrete that does not use portland cement as binder but utilizes natural material that contents silica as fly ash, rice husk ash, etcetera.The used material in this research is fly ash from PLTU Suralaya.
Achmad, D. (Djedjen), G, H. A. (Hidjan)
core  

valuation of Mix Proportions and Mechanical Properties of Normal and High-Strength Fibers Concrete

open access: yesPolytechnic Journal, 2019
An experimental program is carried out to evaluate the mix design and mechanical properties of normal strength concrete (NSC) grade 40 MPa and high-strength concrete grade 60 and 80 MPa.
Imad R. Mustafa, Omar Q. Aziz
doaj   +1 more source

Home - About - Disclaimer - Privacy