Results 11 to 20 of about 431,192 (269)

Evaluation of Cretaceous-Tertiary Limestone for Building and Dimension Stones in Erbil, Kurdistan Region of Iraq

open access: yesIraqi Geological Journal, 2023
In Kurdistan NE of Iraq extensive beddings of well bedded carbonate rocks deposited within Tertiary- Cretaceous age. For this purpose various studies of petrographic, physical, mechanical, and chemical properties for building construction were ...
Aveen Surdashy, Ahmed Aqrawi
doaj   +1 more source

Stone duality above dimension zero: Axiomatising the algebraic theory of C(X) [PDF]

open access: yes, 2016
It has been known since the work of Duskin and Pelletier four decades ago that KH^op, the category opposite to compact Hausdorff spaces and continuous maps, is monadic over the category of sets.
Marra, Vincenzo, Reggio, Luca
core   +2 more sources

The hybrid of floating stone column by numerical and physical evaluation [PDF]

open access: yes, 2018
Rapid population growth amplifying demand for accommodation and infrastructure has resulted in soft ground being increasingly used in construction. Problems related to soft ground can be remedied by adopting a ground improvement technique.
Meghzil, Sif Allah
core   +1 more source

Analysis of Dimension Stone Waste Addition to the Clayey Mass Used in Roof Tile Production [PDF]

open access: yesMaterials Research, 2015
Addition of dimension stone waste to clayey mass is an alternative to make the dimension stone sector more environmentally sustainable and to reduce the consumption of clayey raw material.
Alessandra Savazzini dos Reis   +2 more
doaj   +1 more source

The market environment for artisanal dimension stone in Nairobi, Kenya [PDF]

open access: yes, 2010
This paper reports on a study involving the market environment for artisanal dimension stone in Nairobi, Kenya. Taking the point of view of exchange relationships within a market systems framework it maps out economic interactions involving actors in ...
Alastair Blyth   +30 more
core   +1 more source

Optimum cutting wire assembly in dimension stone quarries [PDF]

open access: yesJournal of Mining and Metallurgy. Section A: Mining, 2014
Production process in dimension stone quarries has a close relationship with the diamond beads efficiency and their number in unit length (density parameter).
Bagherpour R.   +3 more
doaj   +1 more source

APPLICATION OF THE SAP2000 COMPUTER PROGRAMME IN THE MODELLING OF AN UNDERGROUND QUARRY OF DIMENSION STONE

open access: yesRudarsko-geološko-naftni Zbornik, 2023
A numerical analysis of part of the underground quarry of dimension stone with designed maximum dimensions of the rooms was carried out with the SAP2000 software based on the finite element method.
Tanja Mališ   +3 more
doaj   +1 more source

THE OPTIMIZATION OF TECHNOLOGICAL MINING PARAMETERS IN QUARRY FOR DIMENSION STONE BLOCKS QUALITY IMPROVEMENT BASED ON PHOTOGRAMMETRIC TECHNIQUES OF MEASUREMENT

open access: yesRudarsko-geološko-naftni Zbornik, 2018
This research focuses on patterns of change in the dimension stone commodity blocks quality production on previously identifi ed and measured geometrical parameters of natural cracks, modelling and planning out the fi nal dimension of stone products and fi ...
Volodymyr Levytskyi   +2 more
doaj   +1 more source

Tertiary plutonic rocks of southern Serbia Vardar Zone as dimension stone [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2014
Three granitoid plutons of south-Serbian part of the Vardar Zone, of Tertiary age were studied in order to establish their potential for utilization as dimension stone. These rocks vary in composition from quartzmonconite to quartzdiorite. Field
Kurešević Lidja, Simić Vladimir
doaj   +1 more source

A prospective observational study on the predictability of Triple-D score versus Quadruple-D score in the success rate of extracorporeal shock wave lithotripsy of renal stones 1–2 cm in diameter

open access: yesUrology Annals, 2022
Introduction: The aim of the study is to evaluate the clinical efficacy of Triple-D scoring system versus Quadruple-D scoring system for assessing stone-free rate (SFR) in individuals with renal stones measuring 1–2 cm in diameter after extracorporeal ...
Soumish Sengupta   +2 more
doaj   +1 more source

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