Results 1 to 10 of about 72,006 (214)

Scale Effect and Correlation between Uniaxial Compressive Strength and Point Load Index for Limestone and Travertine

open access: yesApplied Sciences, 2021
Determining the uniaxial compressive strength of intact rock is the primary objective of a geomechanical project, and a reliable estimate in the early phases saves time and costs for more sophisticated laboratory tests.
Solange Contreras   +5 more
doaj   +3 more sources

A new method for evaluating the rock mass damage index based on the field point load strength [PDF]

open access: yesRoyal Society Open Science, 2019
The damage index is a crucial controlling parameter for rock mass strength and deformation in civil, geological and mining engineering projects. In this study, a new method was proposed for computing the damage index of a rock mass based on the field ...
Lei Wen   +5 more
doaj   +3 more sources

Advanced machine learning models for predicting unconfined compressive strength from point load strength index of rock samples from Chennai and Bangalore [PDF]

open access: yesScientific Reports
This study explores the effectiveness of point load tests (PLI), specifically both diametral (PLId) and axial tests (PLIa), in forecasting various rock types’ Unconfined Compressive Strength (UCS).
Sowmya Kochukrishnan   +3 more
doaj   +2 more sources

Point Load Index of Rocks Exposed to High Thermal Effect [PDF]

open access: yesJournal of Engineering Research - Egypt, 2021
High thermal effects on Point Load Index (P.L.I) of rocks tolerate in mind an essential issue for numerous geotechnical engineering purposes. Many engineering relevancies interact with it as Geothermal power reserve extraction, Fires that occur in ...
Mohamed Labeeb   +3 more
doaj   +1 more source

Distribution characteristics of the point load strength index of irregular ore rock samples in deep mines

open access: yes工程科学学报, 2023
The frequent occurrence of core disking in boreholes under high in-situ stress in deep rock engineering leads to the difficulty in intact core sampling on sites.
Di-yuan LI   +4 more
doaj   +1 more source

Determining the strength index of coal from the Brod - Gneotino deposit, Bitola [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2018
The Point Load Test (PLT) was performed in the geomechanical laboratory of the MMI Bor, in order to determine the strength index of coal samples from the Brod - Gneotino, Bitola, Republic of Macedonia. On the basis of the obtained results, it is possible
Tašić Dušan   +2 more
doaj   +1 more source

Strength Assessment of Steel Fibre Reinforced Recycled Aggregate Concrete by Means of Correlation between Ultrasonic and Point Load Tests [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2022
This paper aimed at assessing the in-situ strength of steel fibre reinforced concrete containing recycled coarse aggregate (RCA) using the correlation between ultrasonic and point load tests.
Hossein Razzaghi   +2 more
doaj   +1 more source

Determination of the Uniaxial Compressive Strength of Rocks from the Strength Index

open access: yesGeoScience Engineering, 2022
The uniaxial compressive strength (UCS) is classified as one of the basic mechanical properties of rocks, which is widely used in mining and construction practice.
Jindřich ŠANCER   +2 more
doaj   +1 more source

Research on the Conversion Relationship between Dynamic Point Load Strength and Dynamic Compressive Strength Based on Energy System

open access: yesShock and Vibration, 2022
Point load test is a simple and fast method to obtain the compressive strength of rock. According to the maximum load at failure and the distance between two cone ends, the compressive strength of specimens can be calculated by the empirical formula ...
Ming Zhou   +4 more
doaj   +1 more source

Temperature effect on the mechanical behavior of shale: Implication for shale gas production

open access: yesGeosystems and Geoenvironment, 2022
Deformational shale attributes such as fracture toughness, tensile strength, and axial point load strength (PLS) index under elevated temperatures are crucial for the petroleum and gas industries. Here, an attempt has been made to investigate the thermal
Vikram Vishal   +4 more
doaj   +1 more source

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