-
441
NUMERICAL STUDY OF THE NONLINEAR BEHAVIOR OF CONCRETE PRECAST SHEAR WALLS...
Published 2015-08-01“…So, the seismic behavior of a precast concrete structure depends significantly on the behavior of connections between the precast segments. …”
Get full text
Article -
442
AN ESTIMATION OF RELATIVE SUBMERGENCE EFFECTS ON TURBULENCE MACRO-SCALE STRUCTURES IN A PLAIN CHANNEL WIT...
Published 2019-02-01“…These issues should be studied considering the importance of relative submergence.The present research is an experimental study that is focused on the role of relative submergence on the structures of turbulent macroscales. To this end, stream-wise and normal-wise components of velocities are measured with the aid of particle image velocimetry (PIV) method in a rectangular open-channel. …”
Get full text
Article -
443
CEMENT WASTE REDUCTION FRAMEWORK IN TEHRAN'S CONCRETE STRUCTURE RESIDENTIAL BUILDINGS...
Published 2018-11-01“…This is why cement waste was targeted to be diminished in this paper.After quantifying cement waste versus dependent variables of this study, it was resulted that ``lump sum'' contract is preferable to ``cost plus'' contract in terms of cement waste. …”
Get full text
Article -
444
THE EVALUATION OF STRUCTURAL DISTURBANCE AND TEMPERATURE EFFECTS ON THE RESISTANCE OF BIOLOGICAL CEMENT...
Published 2017-05-01“…However, the remarkable point that has not been considered so far is the effect of disturbance on the structure of this kind of cementation, which can be tremendously effective in method performance. …”
Get full text
Article -
445
EFFECT OF UNDERGROUND STRUCTURE LINING FLEXIBILITY ON ACCELERATION RESPONSE AT GROUND SURFACE...
Published 2016-02-01“…The flexibility of the lining affects the acceleration response at the ground surface; however, it depends on the frequency content of the input motion and the natural frequency of the system. …”
Get full text
Article -
446
THE CONCRETE COVER CHANGING EFFECT ON THE SEISMIC PARAMETERS OF RC COLUMNS STRENGTHENING WITH FIBER REINF...
Published 2018-11-01“…Despite increasing bending capacity by NSM-FRP bars, this method of strengthening leads to decreasing ductility and energy dissipation capacity of the columns. …”
Get full text
Article -
447
EVALUATION OF EFFECTIVE PARAMETERS ON SEISMIC BEHAVIOR OF TUNNEL-FORM RC BUILDINGS USING NONLINEAR STATI...
Published 2016-02-01“…Section properties, such as thickness, reinforcement ratio and boundary element length of shear walls, were calculated, and essential parameters of the seismic behavior of structures, such as ductility, overstrength, base shear ratio, roof drift and response modification factor, have been derived.It was determined that the first mode shape of tunnel form structures has a high probability of being torsion. …”
Get full text
Article -
448
EXPERIMENTAL INVESTIGATION OF RING FOOTING BASED ON REINFORCED SOIL WITH GRANULATED RUBBER AND GEOGRID U...
Published 2020-05-01“…These tests have been done by ring footing with outer diameter of 300 mm and optimum inner to outer diameter ratio of 0.4 based on unreinforced bed, rubber-reinforced bed, geogrid reinforced bed and geogrid-rubber reinforced bed. …”
Get full text
Article -
449
SHORTFALLS OF GENERAL CONDITIONS OF CONSTRUCTION CONTRACT AT UNIVERSITIES AND RESEARCH INSTITUTES PROJ...
Published 2020-05-01“…Based on the perception of the research participants recommendations for improvement of general conditions of construction contracts are provided. …”
Get full text
Article -
450
EFFECT OF USING MONOLAYER COVERS ON EVAPORATION RATE IN DAM RESERVOIRS EFFECT OF USING MONOLAYER COVERS ON...
Published 2019-11-01“…Most of the materials used as monolayers are readily broken down by bacteria, moreover these materials could also be evaporated, so redistributing them in specific periods is necessary to keep up their function. …”
Get full text
Article -
451
DIRECT NUMERICAL SIMULATION OF TURBULENT PARTICLE-LADEN FLOW WITH MIXED STICK-SLIP BOUNDARY CONDITION...
Published 2017-11-01“…Furthermore, due to the evaporation of liquid particles suspended in a gas, there is a mass transfer at the interface, which could be modeled as a boundary slip, again. …”
Get full text
Article -
452
SURVEY OF THE SADDLE CONNECTIONS BEHAVIOR UNDER CONTINUES GRAVITY AND LATERAL LOADS...
Published 2017-05-01“…Finally, determining the Three-axial (TI) and Equivalent plastic strain (PEEQI) Indexes for connections comparison.Some results of recent study, after survey and comparison of model connections:1−Increasing the cornerstone length size ratio and so, increase of the prop section's elastic module cause to inconspicuous the gravity load effect on connection behavior characteristics (primary hardness, secondary hardness and surrenders moment).2−Survey of the TI rapture index in the studied samples cleared that upper cornerstone length increasing, however, increase connection hardness, but according to TI index, the pillar failure possibility in connection state significantly increases. …”
Get full text
Article -
453
EXPERIMENTAL EVALUATION OF FRACTURE TOUGHNESS FOR MULTI-LAYERED AL/CU/MG COMPOSITE PRODUCED BY COLD ROLL B...
Published 2019-05-01“…Results showed that the value of plane stress fracture toughness depends on both strength and ductility. …”
Get full text
Article -
454
AN ADAPTIVE PUSHOVER ANALYSIS CONSIDERING TORSIONAL EFFECTS...
Published 2017-02-01“…Following these efforts, in the present study, an innovative adaptive pushover analysis considering torsional effects (APAT) has been developed. APAT is a single stage procedure which uses an equivalent adaptive load pattern. …”
Get full text
Article -
455
MODELING OF CYCLIC PERFORMANCE OF STRUCTURES CONSIDERING PINCHING, STIFFNESS DEGRADATION, STRENGTH DET...
Published 2017-02-01“…The hysteretic response of a structure depends not only on the immediate deformation of elements, but also on the past history of the deformations, as it represents the energy dissipated by the structure. …”
Get full text
Article -
456
EXPERIMENTAL STUDY ON THE EFFECT OF NANO SILICA PARTICLES ON CREEP BEHAVIOR OF SOFT CLAY SOIL...
Published 2018-08-01“…Especially, time-dependent deformation in structures built on soft soil may cause damage. …”
Get full text
Article -
457
NUMERICAL INVESTIGATION OF THE EFFECT OF TWO-BLADEDROTARY TUBE-INSERT ON PERFORMANCE INSTANT GASLIGHT WA...
Published 2018-11-01“…The article present a numerical study of turbulent heat transfer and flow characteristics inelliptical tube equipped with two-bladed rotary tube-insert. Seven different tube-insert are tested in the current work; they included the two-bladed tube-insert with four different length of pitch 75, 100, 150 and 200 mm and three blade angle 40, 55 and 70 degree. …”
Get full text
Article -
458
حل تحلیلی معادلهی انتقال آلودگی بهازاء فعالیت چندین منبع آلایندهی نقطهیی با الگوهای زمانی دلخواه در حالات ۱ و ۲ بعدی با استفاده از روش تابع گرین...
Published 2017-08-01“…Therefore, the final explicit solution will depend on the existence of Green's function related to the original problem. …”
Get full text
Article -
459
THE STRUCTURE INTERACTION MODELING OF FLUID FLOW PATTERNS IN THE DIAPHRAGM PUMP...
Published 2017-05-01“…Since the fluid in the pump is transmitted by a diaphragm motion, the concept called the fluid structure interaction is defined due to the problems related to simulations of fluid structure interaction, animated network simulation, and geometry of the pumps, limited deal of efforts has been done in the past for numerical analysis of these pumps. …”
Get full text
Article -
460
PARAMETRIC STUDY OF CONCRETE-FACE PERFORMANCE IN CFRDs CONSIDERING HARDENING BEHAVIOR OF ROCKFILL MATER...
Published 2018-11-01“…With regard to the previous works on the behavior of rockfill material using large\_scale test equipments, the behavior of rockfill is found to be non-linear, inelastic and pressure dependent which clarifies the significance of adoption of a convenient model as dam body material. …”
Get full text
Article