Comparison of LLNF, ANN, and COA-ANN Techniques in Modeling the Uniaxial Compressive Strength and Static Young’s Modulus of Limestone of the Dalan Formation

2018 ◽  
Vol 28 (1) ◽  
pp. 223-239 ◽  
Author(s):  
Maryam Mokhtari ◽  
Mahmoud Behnia
Keyword(s):  
Compressive Strength ◽  
Young’S Modulus ◽  
Uniaxial Compressive Strength ◽  
Young's Modulus ◽  
Static Young’S Modulus

scholarly journals Sea-Ice Investigations In The Weddell Sea During The German Antarctic Expedition 1979-80

1983 ◽  
Vol 4 ◽  
pp. 246-252 ◽  
Author(s):  
Joachim Schwarz
Keyword(s):  
Compressive Strength ◽  
Flexural Strength ◽  
Sea Ice ◽  
Young’S Modulus ◽  
Uniaxial Compressive Strength ◽  
Young's Modulus ◽  
Weddell Sea ◽  
Ice Shelves ◽  
Antarctic Expedition ◽  
Ice Conditions

In the austral winter of 1979-80, a German Antarctic expedition was sent by ship to the Filchner and Ronne ice shelves in order to find a suitable site for the establishment of a permanent Antarctic station. During this expedition, investigations were carried out on sea ice in the Weddell Sea in order to evaluate the accessibility of the site for icebreaking ships which are intended to convey construction materials to the site and, later on, to supply the station annually.This paper covers the results of investigations on sea-ice conditions during the voyage along the ice shelves from Cape Fiske (at the base of the Antarctic Peninsula) to Atka Bay with emphasis on sea-ice conditions in the area about 100 km north-west of Berkner Island (Fig.1.). In addition to the drift conditions (speed, direction), a special feature of multi-year sea ice is described. The main part of the paper deals with mechanical properties such as flexural strength, uniaxial compressive strength and Young’s modulus of columnar-grained sea ice from the southern border of the Weddell Sea. Salinities and temperatures were measured over the depth of the ice and used for calculating the flexural strength and the Young’s modulus of the ice. The uniaxial compressive strength was investigated as a function of strain-rate, brine volume and temperature on a closed-loop testing machine on samples which were carried back from Antarctica to Hamburg.

Sea-Ice Investigations In The Weddell Sea During The German Antarctic Expedition 1979-80

1983 ◽  
Vol 4 ◽  
pp. 246-252
Author(s):  
Joachim Schwarz
Keyword(s):  
Compressive Strength ◽  
Flexural Strength ◽  
Sea Ice ◽  
Young’S Modulus ◽  
Uniaxial Compressive Strength ◽  
Young's Modulus ◽  
Weddell Sea ◽  
Ice Shelves ◽  
Antarctic Expedition ◽  
Ice Conditions

In the austral winter of 1979-80, a German Antarctic expedition was sent by ship to the Filchner and Ronne ice shelves in order to find a suitable site for the establishment of a permanent Antarctic station. During this expedition, investigations were carried out on sea ice in the Weddell Sea in order to evaluate the accessibility of the site for icebreaking ships which are intended to convey construction materials to the site and, later on, to supply the station annually.This paper covers the results of investigations on sea-ice conditions during the voyage along the ice shelves from Cape Fiske (at the base of the Antarctic Peninsula) to Atka Bay with emphasis on sea-ice conditions in the area about 100 km north-west of Berkner Island (Fig.1.). In addition to the drift conditions (speed, direction), a special feature of multi-year sea ice is described. The main part of the paper deals with mechanical properties such as flexural strength, uniaxial compressive strength and Young’s modulus of columnar-grained sea ice from the southern border of the Weddell Sea. Salinities and temperatures were measured over the depth of the ice and used for calculating the flexural strength and the Young’s modulus of the ice. The uniaxial compressive strength was investigated as a function of strain-rate, brine volume and temperature on a closed-loop testing machine on samples which were carried back from Antarctica to Hamburg.

A new look into the prediction of static Young's modulus and unconfined compressive strength of carbonate using artificial intelligence tools

2019 ◽  
Vol 25 (4) ◽  
pp. 389-399 ◽  
Author(s):  
Zeeshan Tariq ◽  
Abdulazeez Abdulraheem ◽  
Mohamed Mahmoud ◽  
Salaheldin Elkatatny ◽  
Abdulwahab Z. Ali ◽  
...  
Keyword(s):  
Artificial Intelligence ◽  
Compressive Strength ◽  
Young’S Modulus ◽  
Unconfined Compressive Strength ◽  
Young's Modulus ◽  
Static Young’S Modulus ◽  
New Look
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