Results 1 to 10 of about 289,296 (313)

Interlaminar shifts of two-layer aggressive-resistant combined plates based on metal and fiberglass [PDF]

open access: yesE3S Web of Conferences, 2023
In this work, the stress and deformation states of plates made of metal layers wrapped with composite materials in the inner or outer layers were studied.
Dusmatov Abdurakhim   +2 more
doaj   +1 more source

Numerical Simulation on Dynamic Behavior of Slab–Column Connections Subjected to Blast Loads

open access: yesApplied Sciences, 2021
Although many studies on the blast-resistant performance of structures have focused mainly on single members such as beams and columns, there is little research on the behavior of joints that are subjected to blast loads.
Kwang Mo Lim, Taek Hee Han, Joo Ha Lee
doaj   +1 more source

SEISMIC IMAGING BENEATH SUMATRA ISLAND AND ITS SURROUNDINGS, INDONESIA, FROM LOCAL-REGIONAL P-WAVE EARTHQUAKE TOMOGRAPHY

open access: yesRudarsko-geološko-naftni Zbornik, 2023
Sumatra Island and its surroundings, Indonesia, are one of the most active tectonics in the world. The Aceh-Andaman earthquake, one of the most destructive earthquakes in the world, occurred there.
Bayu Pranata   +11 more
doaj   +1 more source

Mathematical model of inverted analemmatic sundial on the example of Belogorsk sundial of the Bronze Age

open access: yesArchaeoastronomy and Ancient Technologies, 2022
This article proposes a mathematical model of an inverted analemmatic sundial, provides formulas for calculating the coordinates of their hour markers.
Vodolazhskaya, L.N.
doaj   +1 more source

Inverted analemmatic sundial of the Bronze Age [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2022
This article describes the study, using the methods of digital and computational archeology, of a Bronze Age limestone slab with cup marks, discovered during the archaeological excavations of kurgan 1 of the kurgan grave field Prolom II, located in the ...
L.N. Vodolazhskaya
doaj   +1 more source

Evaluation of Elastic Deflections and Bending Moments for Orthotropically Reinforced Concrete Rectangular slabs Supported on Three Edges Only [PDF]

open access: yesEngineering and Technology Journal, 2009
This paper deals with the evaluation of the elastic deflections and bending momentsfor orthotropically reinforced concrete rectangular slabs supported on three variouslyrestrained edges with the fourth edge free and subjected to uniformly distributed ...
Hisham M. AL-Hassani   +2 more
doaj   +1 more source

Arthrospira platensis as Natural Fermentation Booster for Milk and Soy Fermented Beverages

open access: yesFoods, 2020
Arthrospira platensis, commercially known as Spirulina, is a fresh-water cyanobacterium that has been gaining increasing attention in recent years due to its high biological and nutritional value.
Francesco Martelli   +4 more
doaj   +1 more source

The prototype of ancient analemmatic sundials (Rostov Oblast, Russia) [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2016
The article presents the results of a study of petroglyphs on a unique stone slab discovered near the kurgan 1 of the kurgan field Varvarinsky I (Rostov Oblast, Russia).
Vodolazhskaya, L.N.   +2 more
doaj   +1 more source

Sundial-water clock of the Bronze Age (Northern Black Sea Region) [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2021
This article presents the results of a study of signs on a Bronze Age slab discovered in the vicinity of a heavily plowed mound near the settlement of Pyatikhatki. The slab belongs to the Dolmen archaeological culture.
Vodolazhskaya, L.N.   +2 more
doaj   +1 more source

Experimental Investigation on Punching Behavior of Thick Reinforced Concrete Slabs

open access: yesArchives of Civil Engineering, 2013
The results of experimental test of nine thickset reinforced concrete slabs in punching are presented in the this paper. The aim of the tests was verification of the Eurocode EC 2 procedure, by which the ultimate shear stresses vRd,c depend on the ...
Urban T.   +3 more
doaj   +1 more source

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