YEAR |
TITLE |
2023 |
An optimized equation based on the gene expression programming
method for estimating tunnel construction costs considering
a variety of variables and indexes
A Mahmoodzadeh, HR Nejati
Applied Soft Computing 147, 110749
|
2023 |
A Numerical Investigation of the Effect of Disc Cutter Wear on Rock-Cutting
Forces in Mechanized Tunnel Boring Machines
M Sabri, K Goshtasbi, HR Nejati, E Taheri
International Journal of Geomechanics 23 (5), 04023050
|
2023 |
Prediction of minimum horizontal stress in oil wells using recurrent neural
networks
A Mahmoodzadeh, HR Nejati, AH Mohammed, M Mohammadi, ...
Geoenergy Science and Engineering 223, 211560
|
2023 |
Mechanical activation of lead?zinc mine tailings as a substitution for
cement in concrete construction
A Saedi, A Jamshidi-Zanjani, M Mohseni, AK Darban, H Nejati
Construction and Building Materials 364, 129973
|
2022 |
Forecasting tunnel boring machine penetration rate using LSTM deep neural
network optimized by grey wolf optimization algorithm
A Mahmoodzadeh, HR Nejati, M Mohammadi, HH Ibrahim, S Rashidi, ...
Expert Systems with Applications 209, 118303
|
2022 |
Developing six hybrid machine learning models based on gaussian process
regression and meta-heuristic optimization algorithms for prediction
of duration and cost of road ?
A Mahmoodzadeh, HR Nejati, M Mohammadi, HH Ibrahim, M Khishe, ...
Tunnelling and Underground Space Technology 130, 104759
|
2022 |
Assessment of wall convergence for tunnels using machine learning techniques
A Mahmoodzadeh, HR Nejati, M Mohammadi, HH Ibrahim, ...
Geomechanics and Engineering 31 (3), 269-276
|
2022 |
Forecasting face support pressure during EPB shield tunneling in soft
ground formations using support vector regression and meta-heuristic
optimization algorithms
A Mahmoodzadeh, HR Nejati, M Mohammadi, HH Ibrahim, S Rashidi, ...
Rock Mechanics and Rock Engineering 55 (10), 6367-6386
|
2022 |
Utilization of lead?zinc mine tailings as cement substitutes in concrete
construction: Effect of sulfide content
A Saedi, A Jamshidi-Zanjani, AK Darban, M Mohseni, H Nejati
Journal of Building Engineering 57, 104865
|
2022 |
Meta-heuristic optimization algorithms for prediction of fly-rock in
the blasting operation of open-pit mines
A Mahmoodzaden, HR Nejati, M Mohammadi, HH Ibrahim, S Rashidi, ...
GEOMECHANICS AND ENGINEERING 30 (6), 489-502
|
2022 |
Experimental test and numerical simulation of the effect of brittleness
on the microfracturing of sandstone
M Noori, G Khanlari, V Sarfarazi, B Rafiei, HR Nejati, W Schubert
Bulletin of Engineering Geology and the Environment 81 (8), 1-27
|
2022 |
Numerical and Machine learning modeling of hard rock failure induced
by structural planes around deep tunnels
A Mahmoodzadeh, HR Nejati, M Mohammadi, AS Mohammed, ...
Engineering Fracture Mechanics 271, 108648
|
2022 |
Several models for tunnel boring machine performance prediction based
on machine learning
A Mahmoodzadeh, HR Nejati, HH Ibrahim, HFH Ali, AH Mohammed, ...
Geomechanics and Engineering 30 (1), 75-91
|
2022 |
Suggesting new protocol to determine point load strength index of rocks
N Babanouri, M Asadizadeh, HR Nejati
Arabian Journal of Geosciences 15 (13), 1-7
|
2022 |
Optimized machine learning modelling for predicting the construction
cost and duration of tunnelling projects
A Mahmoodzadeh, HR Nejati, M Mohammadi
Automation in Construction 139, 104305
|
2022 |
Clinkerisation of copper tailings to replace Portland cement in concrete
construction
AB Ghazi, A Jamshidi-Zanjani, H Nejati
Journal of Building Engineering 51, 104275
|
2022 |
Effect of brittleness on the micromechanical damage and failure pattern
of rock specimens
M Imani, HR Nejati, K Goshtasbi, A Nazerigivi
Smart Structures and Systems 29 (4), 535-547
|
2022 |
Prediction of Mode-I rock fracture toughness using support vector regression
with metaheuristic optimization algorithms
A Mahmoodzadeh, HR Nejati, M Mohammadi, HH Ibrahim, M Khishe, ...
Engineering Fracture Mechanics 264, 108334
|
2022 |
Machine Learning Techniques to Predict Rock Strength Parameters
A Mahmoodzadeh, M Mohammadi, S Ghafoor Salim, H Farid Hama Ali,
...
Rock Mechanics and Rock Engineering 55 (3), 1721-1741
|
2022 |
Prediction of safety factors for slope stability: comparison of machine
learning techniques
A Mahmoodzadeh, M Mohammadi, H Farid Hama Ali, H Hashim Ibrahim,
...
Natural Hazards 111 (2), 1771-1799
|
2022 |
Utilization of copper mine tailings as a partial substitute for cement
in concrete construction
AB Ghazi, A Jamshidi-Zanjani, H Nejati
Construction and Building Materials 317, 125921
|
2022 |
Gaussian process regression model to predict factor of safety of slope
stability
A Mahmoodzadeh, HR Nejati, N Rezaie, AH Mohammed, HH Ibrahim, ...
Geomechanics and Engineering 31 (5)
|
2022 |
Prediction of duration and construction cost of road tunnels using Gaussian
process regression
A Mahmoodzadeh, M Mohammadi, SN Abdulhamid, H Hashim Ibrahim, ...
Geomechanics and Engineering 28 (1), 65-75
|
2021 |
Investigation of the Effect of Using Sungun Copper Mine Tailings Instead
of Fine-Grained Materials in Concrete Construction on Mechanical Properties
and Heavy Metal Leakage
A Barzegar Ghazi, A Jamshidi-Zanjani, HR Nejati
Journal of Mineral Resources Engineering 6 (4), 95-108
|
2021 |
Predicting construction time and cost of tunnels using Markov chain
model considering opinions of experts
A Mahmoodzadeh, M Mohammadi, SN Abdulhamid, HR Nejati, ...
Tunnelling and Underground Space Technology 116, 104109
|
2021 |
Estimating groundwater inflow into Dorud-Khorramabad railway tunnel
using analytical and numerical methods
E Ghorbani, S Ghadernejad, D Emami, H Nejati
International Journal of Mining and Geo-Engineering 55 (1), 33-41
|
2021 |
Prediction of shear strain induced by blasting waves in surface structures
based on coupled frequency, velocity, and displacement effects
R Nateghi, K Goshtasbi, HR Nejati
Journal of Vibration and Control 27 (9-10), 971-984
|
2020 |
On the Effect of Grain Size on Rock Behavior under Cyclic Loading by
Distinct Element Method
ابوالفضل دلیرنسب, کامران گشتاسبی, کامران, نجاتی
روش های تحلیلی و عددی در مهندسی معدن 10 (25), 23-32
|
2020 |
A new development cracked chevron notched direct tension method for
determining the mode I fracture toughness of rocks
MR Hadei, N Akbarlou, HR Nejati
Theoretical and Applied Fracture Mechanics 110, 102811
|
2020 |
Assessment of wall convergence for tunnels using machine learning techniques
A Mahmoodzadeh, HR Nejati, M Mohammadi, HH Ibrahim, ...
Geomechanics and Engineering 31 (3), 265-279
|
2020 |
Coupled effects of confining pressure and loading rate on the mechanical
behavior of plastic concrete
R Nateghi, K Goshtasbi, HR Nejati
Journal of Materials in Civil Engineering 32 (10), 04020292
|
2020 |
Use of rock microscale properties for introducing a cuttability index
in rock cutting with a chisel pick
K Rostami, JK Hamidi, HR Nejati
Arabian Journal of Geosciences 13 (18), 1-12
|
2020 |
On Applicability of Some Indirect Tests for Estimation of Tensile Strength
of Anisotropic Rocks
F Rastegar, HR Nejati, A Ghazvinian, MR Hadei, A Nazerigivi
Journal of Mining and Environment 11 (3), 711-720
|
2020 |
A new rock brittleness index on the basis of punch penetration test
data
S Ghadernejad, HR Nejati, S Yagiz
Geomechanics and Engineering 21 (4), 391-399
|
2020 |
Study of Damaged Zone around Circular Opening Using Acoustic Emission
Technique
A Dadi-givshad, M Ahmadi, HR Nejati
Journal of Mining and Environment 11 (2), 433-451
|
2020 |
A practical approach for seismic risk assessment of underground structures:
A case study of Iranian subway tunnels
MK Arsham Moayedifar, Hamid Reza Nejati, Amin Nazerigivi
Earthquake Science 32 (2), 64-71
|
2020 |
Determination of plastic concrete behavior at different strain rates
to determine Cowper-Symonds constant for numerical modeling
R Nateghi, K Goshtasbi, HR Nejati
Computers and Concrete, An International Journal 26 (3), 227-237
|
2020 |
Monitoring of fracture propagation in brittle materials using acoustic
emission techniques-A review
HR Nejati, A Nazerigivi, M Imani, A Karrech
Comput. Concr 25, 15-27
|
2019 |
Seismic fragility and risk assessment of an unsupported tunnel using
incremental dynamic analysis (IDA)
A Moayedifar, HR Nejati, K Goshtasbi, M Khosrotash
Earthquakes and Structures 16 (6), 705-714
|
2019 |
Influence of loading rate on crack propagation of pre-cracked rock specimens,
a numerical study
HR Nejati, A Khodayar
Journal of Mining Engineering 14 (42), 59-75
|
2019 |
Time dependent modeling of salt-cavern natural gas storage
M Javidi, HR Nejati, K Goshtasbi, M Ghasemi
Tunnels and Underground Cities: Engineering and Innovation meet
Archaeology ?
|
2019 |
Effect of Rock Fracture Filling on Mode I and II Fracture Toughness
حمیدرضا نجاتی, محمد جواد آذین فر
روش های تحلیلی و عددی در مهندسی معدن 8 (17), 19-25
|
2019 |
A New Index For Evaluation Of Rock Brittleness
S Ghadernejad, S Lalegani Dezaki, HR Nejati, B Alipanahi
Journal of Mineral Resources Engineering 3 (4), 57-74
|
2019 |
Assessment of scale effect on 3D roughness parameters of fracture surfaces
MJ Azinfar, AH Ghazvinian, HR Nejati
European Journal of Environmental and Civil Engineering 23 (1),
1-28
|
2019 |
Brittleness effect on acoustic emission response of rocks under uniaxial
compression loading
AN HR Nejati, A Ghazvinian
ISRM
|
2019 |
INFLUENCE OF LOADING RATE ON FAILURE PATTERN OF PRE-CRACKED ROCK SPECIMENS,
A NUMERICAL STUDY
A Khodayar, HR Nejati
Iranian Journal of Mining Engineering-IRJME Vol 14 (42)
|
2019 |
Numerical simulations of fracture shear test in anisotropy rocks with
bedding layers
H Haeri, V Sarfarazi, Z Zhu, HR Nejati
Advances in concrete construction 7 (4), 241-247
|
2018 |
A new formulation for calculation of longitudinal displacement profile
(LDP) on the basis of rock mass quality
A Rooh, HR Nejati, K Goshtasbi
Geomechanics and Engineering 16 (5), 539-545
|
2018 |
Effect of thermal-induced microcracks on the failure mechanism of rock
specimens
A Khodayar, HR Nejati
Comput. Concrete 22 (1), 93-100
|
2018 |
The effect of scale on the geometric parameters of the rock joint surfaces
MJ Azinfar, A Ghazvinian, HR Nejati
Journal of Analytical and Numerical Methods in Mining Engineering
8 (15), 99-114
|
2018 |
Effects of SiO2 nanoparticles dispersion on concrete fracture toughness
A Nazerigivi, HR Nejati, A Ghazvinian, A Najigivi
Construction and Building Materials 171, 672-679
|
2018 |
Effect of in-situ stress on mechanical behavior of rock-anchoring tendons
in underground caverns
M Salehi, H Nejati, K Goshtasbi
Scientific Quarterly Journal of Iranian Association of Engineering
Geology ?
|
2018 |
Coupled viscous fluid flow and joint deformation analysis for grout
injection in a rock joint
HM Kim, JW Lee, M Yazdani, E Tohidi, HR Nejati, ES Park
Rock Mechanics and Rock Engineering 51 (2), 627-638
|
2018 |
Physical and mechanical phenomena associated with rock failure in Brazilian
Disc Specimens
HR Nejati, A Nazerigivi, AR Sayadi
International Journal of Geological and Environmental Engineering
12 (1), 35-39
|
2018 |
Moisture and porosity effects on failure mechanism of cement mortar
using Acoustic Emission technique
MH HOSSEINZADEH, M AHMADI, HR NEJATI
MODARES CIVIL ENGINEERING JOURNAL 18 (1), 91-99
|
2018 |
Experimental and numerical investigation of the effect of micro-cracks
on the mechanical behavior of rock specimens
HR NEJATI
MODARES CIVIL ENGINEERING JOURNAL 18 (6), 95-105
|
2017 |
A Numerical Investigation on Stress Dependent Permeability in Jointed
Reservoirs
B Ghobadi, HR Nejati, K Goshtasbi
Journal of Petroleum Research 27 (96-5), 98-112
|
2017 |
Dynamic response and failure mechanism of Brazilian disk specimens at
high strain rate
M Imani, HR Nejati, K Goshtasbi
Soil Dynamics and Earthquake Engineering 100, 261-269
|
2017 |
Numerical Modeling of Hydro-Mechanical Behavior of Rock Joints under
Direct Shear Loading
B Ghobadi, H Nejati, K Goshtasbi
Journal of Analytical and Numerical Methods in Mining Engineering
7 (13), 35-44
|
2017 |
Field Evaluation of Soil Liquefaction and Its Confrontation in Fine-Grained
Sandy Soils (Case Study: South of Hormozgan Province)
H Haeri, V Sarfarazi, AB Shemirani, HP Gohar, HR Nejati
Journal of Mining Science 53 (3), 457-468
|
2017 |
Effect of Loading Rate on the Failure Mechanism of Rocks under Indirect
Tensile Loading
HR NEJATI
JOURNAL OF ROCK MECHANICS 1 (2), 55-65
|
2017 |
Influence of nano-silica on the failure mechanism of concrete specimens
A Nazerigivi, HR Nejati, A Ghazvinian, A Najigivi
Computers and Concrete, An International Journal 19 (4), 429-434
|
2017 |
Contribution of steel fiber as reinforcement to the properties of cement-based
concrete: A review
A Najigivi, A Nazerigivi, HR Nejati
Computers and Concrete, An International Journal 20 (2), 155-164
|
2017 |
A new brittleness index for estimation of rock fracture toughness
HR Nejati, SA Moosavi
Journal of Mining and Environment 8 (1), 83-91
|
2016 |
Effect of Nano SiO2 particles on the strength and fracture mechanism
of cement based materials by AE technique
A Nazeri, HR Nejati, A Ghazvinian
Iranian Journal of Mining Engineering 11 (32), 9-21
|
2016 |
Effect of discontinuity surface roughness on the strength of jointed
rock samples
A Rezaeipoor, H Nejati, A Ghazvinian, MR Hadei
Scientific Quarterly Journal of Iranian Association of Engineering
Geology 9 ?
|
2016 |
A new approach for measurement of tensile strength of concrete
V Sarfarazi, A Ghazvinian, W Schubert, HR Nejati, R Hadei
Periodica Polytechnica Civil Engineering 60 (2), 199-203
|
2016 |
International Journal of Rock Mechanics & Mining Sciences
M Sabri, A Ghazvinian, HR Nejati
International Journal of Rock Mechanics & Mining Sciences 81, 79-85
|
2016 |
Effect of particle size heterogeneity on fracture toughness and failure
mechanism of rocks
M Sabri, A Ghazvinian, HR Nejati
International Journal of Rock Mechanics and Mining Sciences 81,
79-85
|
2014 |
Brittleness effect on rock fatigue damage evolution
HR Nejati, A Ghazvinian
Rock mechanics and rock engineering 47 (5), 1839-1848
|
2014 |
Numerical simulation of the process of fracture of echelon rock joints
V Sarfarazi, A Ghazvinian, W Schubert, M Blumel, HR Nejati
Rock Mechanics and Rock Engineering 47 (4), 1355-1371
|
2014 |
On the use of the RMR system for estimation of rock mass deformation
modulus
HR Nejati, A Ghazvinian, SA Moosavi, V Sarfarazi
Bulletin of engineering geology and the environment 73 (2), 531-540
|
2013 |
Mixed mode crack propagation in low brittle rock-like materials
A Ghazvinian, HR Nejati, V Sarfarazi, MR Hadei
Arabian Journal of Geosciences 6 (11), 4435-4444
|
2013 |
Experimental study on effect of pre-crack on creep behavior of brittle
rocks
M Ahmadi, K Goshtasbi, B Dadrasi, H Nejati
Scientific Quarterly Journal of Iranian Association of Engineering
Geology 5 ?
|
2012 |
Probabilistic analysis of ground surface vibration due to train movement,
a case study on Tehran metro line 4
HR Nejati, M Ahmadi, H Hashemolhosseini, M Hayati
Geotechnical and Geological Engineering 30 (5), 1137-1146
|
2012 |
An investigation on the ground motion parameters and seismic response
of underground structures
HR Nejati, M Ahmadi, H Hashemolhosseini
Earthquake Science 25 (3), 253-261
|
2012 |
Numerical analysis of ground surface vibration induced by underground
train movement
HR Nejati, M Ahmadi, H Hashemolhosseini
Tunnelling and Underground Space Technology 29, 1-9
|
2012 |
Reliability and uncertainty of prediction of dynamic elastic constants
in reservoir rock
HR Nejati, A Ghazvinian, M Saemi
Journal of Canadian Petroleum Technology 51 (03), 198-204
|
2012 |
Seismic Response of Underground Opennings: with an Insight into Siah
Bisheh Caverns
M Ahmadi, A Rahnama, HR Nejati
Journal of Seismology and Earthquake Engineering 14 (1), 29-37
|
2011 |
An appraisal and modification of Ramamurthy criterion on anisotropic
rocks
A Ghazvinian, MR Hadei, HR Nejati, V Sarfarazi
12th ISRM Congress
|
2011 |
A Global Review of Metro Station Construction Project
A Ghazvinian, M Monjezi, MR Hadei, HR Nejati, V Sarfarazi
|
2011 |
Physical and Particle Flow Modeling of Shear Behavior of Non-Persistent
Joints
HRN A. Ghazvinian, V. Sarfarazi
2011 한국암반공학회 추계 총회 및 창립 30 주년 기념 심포지엄, 3~ 21 쪽 (총 19 쪽)
|
2010 |
Estimation of TBM Utilization based on Rock Mass Classification Indexes
and Disc Thrust
M Ahmadi, HR Nejati
Iranian Journal of Mining Engineering 5 (10), 65-71
|
2010 |
Effect of seismic load frequency on the behavior of underground structures
A Ghazvinian, HR Nejati, MR Hadei
ISRM international symposium-6th Asian rock mechanics symposium
|
2010 |
Estimation of TBM Utilization with Artificial Neural Networks
HR Nejati, M Ahmadi
|
2010 |
SIMULATION OF TRAIN DYNAMIC LOAD AND INVESTIGATION OF ITS EFFECTS ON
GROUND SURFACE VIBRATION
M AHMADI, H HASHEMOLHOSSEINI, HR NEJATI
JOURNAL OF TRANSPORTATION ENGINEERING 2 (15), 0-0
|
2009 |
Dynamic analysis of railway tunnels
HR Nejati
MSc thesis. Tarbiat Modares university, Tehran, Iran (in Persian)
|