Results 121 to 130 of about 13,135 (254)

Characterization of LUSI Mud as Geopolymer Raw Material [PDF]

, 2012
The mud of mud volcano samples were collected from an eruption site named ‘LUSI’ (Lumpur “mud” –Sidoarjo), East Java, Indonesia for characterization. Analysis showed that, the major constituents of mud are SiO2 and Al2O3 which are higher than those in ...
Hardjito, D., Kamarudin, H., Khairul Nizar, I,, Mustafa Al Bakri, A. M., Rafiza, A.R.   +4 more
core  

Innovative development and structural behavior of hollow columns using inflatable molds

Structural Concrete, EarlyView.
Abstract This study introduces a novel approach for constructing hollow columns using precast (PC) methods enhanced by inflatable air tubes as internal molds. The proposed method addresses practical challenges in conventional hollow column construction, such as limited constructability, high production cost, and interference between internal molds and ...
Soo Hyung Kim, Dohak Kim, Jeongun Lee, Yun Mook Lim   +3 more
wiley   +1 more source

PROPAGATION MECHANISMS OF BLAST-INDUCED GROUND VIBRATION (BIGV) IN DIFFERENT GROUND CONDITIONS

International Journal of Ecosystems and Ecology Science (IJEES), 2021
Bilgehan KEKEC, Dhikra GHILOUFI
openaire   +1 more source

Investigation of dynamic stresses in detona- tion technical note no. 7 [PDF]

Axial and hoop stress calculation in blast loaded thin walled cylindrical pressure ...
De Malherbe, M. C., Laderman, A. J., Wing, R. D.   +2 more
core   +1 more source

Seismic evaluation of the southbound Stellenberg Interchange Bridge, B5593, in South Africa

Structural Concrete, EarlyView.
Abstract This study presents a nonlinear finite element assessment of the seismic vulnerability of Bridge B5593, located in the south‐western region of South Africa. Previous evaluations identified a high likelihood of column failure; however, these were based on linear material models incapable of capturing damage evolution.
Wandie Olivier, Trevor Haas
wiley   +1 more source

Influences of chloride immersion on zeta potential and chloride in concentration of cement-based materials [PDF]

, 2015
In this paper, the zeta potential of freshly mixed cement paste and hardened cement pastes, as well as the concentration index, was measured. The influences of chloride concentration in mixing water and slag content on zeta potential of freshly mixed ...
De Schutter, Geert, Hu, Xiang, Shi, Caijun   +2 more
core  

Design and commissioning of a new synchrotron beamline dedicated to X‐ray footprinting mass spectrometry

Journal of Synchrotron Radiation, EarlyView.
A dedicated beamline at the Advanced Light Source synchrotron has been opened and commissioned for X‐ray footprinting mass spectrometry.The structural biology method of X‐ray footprinting mass spectrometry (XFMS) is available at two national synchrotron beamlines in the USA: one at the Advanced Light Source (ALS) on the West Coast and the other at the ...
Sayan Gupta, Brandon Russell, Line G. Kristensen, Jared de Chant, Anthony Lu, Lieselotte Obst-Huebl, Behzad Rad, James Tyler, Simruthi Subramanian, Savannah Kidd, Sathi Paul, Yan Chen, Christopher J. Petzold, Darren N. Kahan, Shawn M. Costello, Kei Nakamura, Jamie L. Inman, Alastair A. MacDowell, Adrian Spucces, Corie Y. Ralston   +19 more
wiley   +1 more source

Space shuttle system program definition. Volume 1: Executive summary [PDF]

A study for the selection of a low cost shuttle system for design and development was conducted. The objective of the final study was to examine and penetrate the major technical and cost issues affecting the choice of the following: (1) liquid ...

core   +1 more source

Liquid jet capabilities for ultrafast chemistry at the SwissFEL Alvra instrument

Journal of Synchrotron Radiation, EarlyView.
The technical aspects of the Alvra endstation are outlined and its scientific capabilities are demonstrated with commissioning results obtained during the early years of SwissFEL's operation.The Alvra experimental station at the Swiss X‐ray free‐electron laser, SwissFEL, investigates ultrafast dynamics in chemical and biological systems using X‐ray ...
Claudio Cirelli, Emma Victoria Beale, Florian Dworkowski, Victoria Kabanova, Sven Augustin, Gregor Knopp, Chris Milne, Christoph Bostedt, Philip J. M. Johnson, Camila Bacellar   +9 more
wiley   +1 more source

Hybrid statistical-algorithmic approach using the frog algorithm to optimize blast patterns for reducing blast vibrations

Results in Earth Sciences
This study introduces an innovative approach to predict and mitigate blast-induced vibrations by optimizing blast patterns. By combining a statistical model with the frog algorithm, the method achieves enhanced accuracy and efficiency.
Abbas Khajouei Sirjani, Farhang Sereshki, Mohammad Ataei, Manoj Khandelwal, Hojatollah Mohammadi Anayi, Seyed Mohammad Mehdi Mousavi Nasab, Mohammad Amiri Hosseini   +6 more
doaj   +1 more source