Search Results - "Sair Kahraman"

Estimating the Physico-Mechanical Properties of Pyroclastic Rocks from Electrical Resistivity by Kahraman, Sair

“…Predicting the properties of rocks is aided by the use of indirect methods such as electrical resistivity. This article investigates the predictability of the…”
Get full text

Performance prediction of roadheaders used in coal mines from the needle penetration index and the schmidt hammer value by Rostami, Masoud, Kahraman, Sair, Dibavar, Behnaz, Fener, Mustafa

“…Coal mine galleries and construction tunnels are commonly excavated using roadheaders. Estimating the performance of roadheaders is crucial for planning and…”
Get full text

The effect of microwave treatment on the abrasivity of igneous rocks by Kahraman, Sair, Saygin, Egemen, Fener, Mustafa

“…Excessive tool wear is an important problem during the mechanical excavation of hard and abrasive rocks. However, there is no concrete solution for this…”
Get full text

Performance prediction of roadheaders using the rock mass cuttability classification by Kahraman, Sair, Dibavar, Behnaz, Rostami, Masoud, Fener, Mustafa

“…Roadheaders are widely used for the excavation of roadways in coal mines. Knowing the performance roadheaders is very important for the planning of roadway…”
Get full text

A New Rock Mass Cuttability Classification for Roadheaders Used in Coal Mining by Dibavar, Behnaz, Kahraman, Sair, Rostami, Masoud, Fener, Mustafa

“…Roadheaders are commonly used in coal mines for roadway excavations. The prediction of roadheader performance is necessary for the planning of roadway projects…”
Get full text

The effect of clay content on the relation between uniaxial compressive strength and needle penetration index for clay-bearing rocks by Kahraman, Sair, Aloglu, A. Sercan, Saygin, Egemen, Aydin, Bilal

“…The needle penetration index (NPI) test is a non-destructive test that is applicable both in the field and laboratory, and does not require any special sample…”
Get full text

The assessment of the factors affecting the microwave heating of magmatic rocks by Kahraman, Sair, Canpolat, Ahmet Niyazi, Fener, Mustafa, Kilic, Cumhur Ozcan

“…Low cutting rate and high tool wear are the important problems during excavating hard rocks. In order to find a solution for these problems, some…”
Get full text

Investigating the changes in the strength of carbonate rocks exposed to microwave energy by Kahraman, Sair, Ozbek, Muhammed, Rostami, Masoud, Fener, Mustafa, Andras, Andrei, Popescu, Florin Dumitru

“…Microwave treatment is one of the research topics to solve cutting problems of hard rocks such as low cutting rate and high tool wear. Microwave irradiation…”
Get full text

Rock characterization while drilling and application of roof bolter drilling data for evaluation of ground conditions by Jamal Rostami, Sair Kahraman, Ali Naeimipour, Craig Collins

“…Despite recent advances in mine health and safety, roof collapse and instabilities are still the leading causes of injury and fatality in underground mining…”
Get full text

Electrical resistivity measurement to predict uniaxial compressive and tensile strength of igneous rocks by KAHRAMAN, SAIR, YEKEN, TEKIN

“…Electrical resistivity values of 12 different igneous rocks were measured on core samples using a resistivity meter in the laboratory. The resistivity tests…”
Get full text

Empirical methods to predict the abrasion resistance of rock aggregates by Kahraman, Sair, Gunaydin, Osman

“…The possibility of predicting the Los Angeles (L.A.) abrasion loss from the Schmidt hammer, point load and porosity tests was investigated using 9 igneous, 11…”
Get full text

The influence of microwave treatment on the compressive and tensile strength of igneous rocks by Kahraman, Sair, Canpolat, A. Niyazi, Fener, Mustafa

“…Cutting hard rocks has some problems such as low penetration rate and high wear rate of cutting tools. These problems can be solved by the microwave treatment…”
Get full text

The drillability assessment of rocks using the different brittleness values by Yarali, Olgay, Kahraman, Sair

“…► The relations between the two brittleness values ( B 3, B 8) and the drilling rate index were analyzed. ► A strong exponential relation between the DRI and…”
Get full text

The performance prediction of roadheaders from easy testing methods by Kahraman, Ergin, Kahraman, Sair

“…An accurate prediction of roadheader performance helps to make for more efficient and cost effective planning of tunneling projects. In this study, the…”
Get full text

Determination of physical properties of carbonate rocks from P-wave velocity by Kahraman, Sair, Yeken, Tekin

“…Velocity, density, porosity, void ratio, water absorption by weight and P-wave velocity tests were conducted on 14 different carbonate rocks. Strong…”
Get full text

Review of Ground Characterization by Using Instrumented Drills for Underground Mining and Construction by Kahraman, Sair, Rostami, Jamal, Naeimipour, Ali

“…In underground mining, many miners are injured or lose their lives because of roof/pillar instability each year, and this is a persistent safety risk…”
Get full text

Electrical impedance spectroscopy measurements to estimate the uniaxial compressive strength of a fault breccia by Kahraman, Sair, Alber, Michael

“…Fault breccias are usually not suitable for preparing smooth specimens or else the preparation of such specimens is tedious, time consuming and expensive. To…”
Get full text

Estimating the uniaxial compressive strength of pyroclastic rocks from the slake durability index by Kahraman, Sair, Fener, Mustafa, Gunaydin, Osman

“…Because the preparation of standard samples may not always be possible for weak or soft rocks, the prediction of uniaxial compressive strength (UCS) from…”
Get full text

Estimating the Wet-Rock P-Wave Velocity from the Dry-Rock P-Wave Velocity for Pyroclastic Rocks by Kahraman, Sair, Fener, Mustafa, Kilic, Cumhur Ozcan

“…Seismic methods are widely used for the geotechnical investigations in volcanic areas or for the determination of the engineering properties of pyroclastic…”
Get full text

Estimation of uniaxial compressive strength of pyroclastic rocks (Cappadocia, Turkey) by gene expression programming by İnce, İsmail, Bozdağ, Ali, Fener, Mustafa, Kahraman, Sair

“…Compressive strength of rocks is an important factor in structural design in rock engineering. Compressive strength can be determined in the laboratory by…”
Get full text