
Introduce the latest ETABS v19, and compare earthquake resisting systems for a 52-story tower, from shear wall to special moment frame, including response spectrum and foundation effects.
Explore the latest ETABS v19 features, from updated blade and steel connections and faster nonlinear analysis to new accordion reports and improved rendering for plane and elevation views.
Examine how a 52-story tower employs shear walls, a special moment frame, and outriggers to resist seismic and lateral loads, including dual system concepts and core-outtrigger interactions.
Introduce viscous dampers to reduce the dynamic response of tall buildings under seismic and wind loads, and model their installation and performance.
Examine how sub modulus parameters influence a 15-story tall building's displacement, period, foundation settlement, and forces, comparing shallow versus deep foundations and varying soil bearing capacity in ETABS modeling.
Explore fast view techniques in ETABS v2019 for modeling a 52-story tower with different seismic systems.
Prepare a dxf file for export to Etabs by defining layers for slabs, columns, beams, walls, and openings, drawing the plan, and saving with millimeter units.
Define the number of stories and elevations in ETABS v2019 by setting the 52-story heights, importing the DFI, and entering each story's elevation as shown in the slide.
Learn to draw columns, shear walls, slabs, openings, and beams in ETABS, assign layers, and replicate a floor from story one to other stories.
Define high strength materials for an etabs model by assigning concrete grades C45 and C60 and specifying reinforcement parameters for longitudinal and transverse bars.
Define and assign sections for rectangular and circular columns, set slab and beam properties, define shear wall thickness, and import from AutoCAD to build an ETABS 3D frame model.
Learn how to draw beams in ETABS by connecting joints from bottom to top and right to left, handling joined and disjoined elements, including inclined beams and proper modelling.
Assign pier labels to each wall, such as p1 and p2, replicate the 52-story model, and define a one-meter mesh for sheet walls and slabs.
Learn to replicate floors in the ETABS v2019 model by selecting all stories and copying from one story to others, modeling all 52 stories, and viewing in 3-D.
Define and draw retaining wall for stories one to three in ETABS, using 800 mm section and a settlement joint to handle settlement, replicating wall for stories two and three.
Divide the walls in story one using precise dimensioning to create one-meter segments, enabling multiple supports for shear walls and proper retaining-wall division.
Select base joints to define fixed support in the model, report issues, and fix them as needed. Look forward to continuing in the next lecture.
Define lateral loads for a tower in Lebanon, including earthquake and wind, apply eccentricities, and set FS1 = 0.45 coefficient; compare performance with and without outrigger modeling at 51 mph.
Assign gravity and live loads to the tower model by selecting all stories or slabs, then adjust live load to 5 for first three stories and the upper story.
Define mass source and check the specified load pattern. Include the dead load and gravity in the analysis.
Define model cases and load cases in the ETABS workflow, evaluate methods such as Egon Orit's method and the Wrex method, and apply acceleration-based modeling using the example.
Define dynamic loads with a response spectrum function and create load cases to apply acceleration; compare dynamic and static loads, increasing the dynamic load if below, otherwise keep it.
Set the default load combinations for a concrete frame and concrete slab within the software, ensuring standard combinations apply by default.
Define diaphragms for a 52-story ETABS model and assign each slab a diaphragm, enabling accurate seismic system representation.
Assign diaphragms across all 52 stories in the tower to compare static and dynamic earthquake loads, assess performance with and without outriggers, and analyze story displacement and drift.
Check the ETABS model by applying a 50 millimeter tolerance and reviewing the degree of freedom of each story, watching for red error indicators and confirming no red warnings.
Define a non-sway frame in an advanced ETABS model by selecting all frames, applying concrete frame settings, and using a shearwood system to address lateral behavior.
Apply frame releases in ETABS V2019 to prevent bending moments and torsion, releasing beams and columns from start to end across all stories.
Define stiffness modifiers for columns (0.7), beams (0.35), floors and slabs (0.25), and walls (0.5) in ETABS, using assign frame property modifier.
Compare static and dynamic lateral loads in ETABS, showing dynamic loads exceed static in both x and y directions, with no scale factor needed.
Showcases story displacement and drift without an outrigger, reveals displacements exceeding the 370 mm limit in both directions, and indicates the need for an outrigger per specs.
Design columns in a 52-story ETABS v2019 tower, isolate column objects, view section and reinforcement, apply code A.S.A. 19, and confirm 1% reinforcement and diameter limit of 1.8 meters.
Define and model the outrigger in a 52-story tower to boost rigidity, reduce torsional effects, and observe displacement and drift reductions through increased shear-wall thickness.
Assess how an outrigger system influences the seismic behavior of a 52-story tower in ETABS V2019, showing reduced story displacement and drift, base shear distribution, and mass participation across modes.
Using the SeaWorld system, this lecture demonstrates designing the outrigger and shear walls in a 52-story tower, then adjusting reinforcement and thickness to prevent overstress.
Model moment frame behavior in ETABS by upgrading beam and column sections and adding outriggers to resist seismic loads, then compare with shear wall systems and analyze lateral responses.
Analyze a 52-story tower with moment frame system, assessing maximum story displacement and base shear under x direction, and confirm safety and viability through center of mass versus rigidity checks.
Explore dual system modeling in ETABS, combining frames, shear walls, and outriggers to resist lateral loads; adjust section sizes and stiffness modifiers, then analyze to verify 25–75% distribution.
Analyze a 52-story dual-system tower using RAND to verify x and y story displacements stay under 2 percent and ensure lateral loads and shear forces meet the 25–75 percent distribution.
Define fluid viscous dampers and explain how they dissipate seismic energy to reduce lateral displacement in high-rise towers, with design capacities up to 500 kN.
Explore how to model a viscous fluid damper in ETABS v19, defining properties, drawing the damper, and analyzing reduction in two-story tower displacement.
Analyze how a fluid viscous damper alters the tower's response spectrum and reduces story displacement; compare bottom versus top damper placements in a 52-story ETABS model to optimize performance.
Investigate how soil bearing capacity and foundation type affect the structural response of 50-story tall buildings using ETABS V2019, including displacement, drift, time period, foundation settlement, and column forces.
Explore tricks in ETABS to change the model for a 52-story tower with different seismic systems.
Learn to draw an L-shaped column in ETABS within the advanced ETABS v2019 framework for a 52-story tower and diverse seismic systems.
Learn how to draw stairs in ETABS for an advanced v2019 52-story tower, covering stairs integration within different seismic systems.
Design a swimming pool using ETABS in the advanced ETABS v2019 framework for a 52-story tower with different seismic systems.
Perform p-delta checks in ETABS for a 52-story tower with different seismic systems using advanced ETABS v2019.
Master nonlinear pushover analysis for a 52-story tower using advanced ETABS 2019, exploring how different seismic systems influence structural response.
Assess soft story irregularity in a 52-story tower using advanced ETABS v2019, exploring different seismic systems and their effects on performance and design.
Develop mastery in advanced ETABS workflows to create comprehensive reports and drawings for a 52-story tower with different seismic systems.
Analyze temporary loads in ETABS for a 52-story tower across different seismic systems configurations in detail.
Merge two tower models in ETABS v2019 by copying one building, aligning dimensions, and inserting a five-centimeter expansion joint, then validate with plan and 3D rendering.
Explore the evolution of civil engineering with Etabs v2019 for a 52-story tower and different seismic systems.
Explore civil engineering motivation and the use of ETABS v2019 to analyze a 52-story tower under various seismic systems.
Master the 12 steps of construction, from site clearance and grid layout to excavation, PCC, rebar, concreting, backfilling, tie beams, grade slabs, and beams and slabs.
Explore the science of concrete, from cement hydration to high-strength formulas with slag and micro silica, and see how structures like the Panama Canal locks and Burj Dubai push limits.
Navigate the building construction process step by step for a 52-story tower using advanced ETABS v2019 and explore different seismic systems.
Manage site activities to ensure compliance with approved drawings across excavation to roof slab, using checklists for steel reinforcements, concrete cover, and footing, slabs, openings, and columns.
With the last version of ETABS (2019)
First of all we will show the newest features in ETABS v19
Part 1,2,3: learn structural design of R.C Tower 52 stories from A to Z included all structural element (columns, beams, slabs, foundations, shear walls, earthquake and wind design, check deflection) using different earthquake systems (Shear wall system, moment frame system, and dual system) very important part will show you the needs of well study of earthquake system resistance parameters when structural designing Tall Buildings
Part 4 :we will use in this course viscous damper and show the benefit of using them and how we can model them into ETABS
Also we will learn in this course what is outrigger and how we can define and modeling it into ETABS V19 and we will show the benefits of using outrigger in high rise building very important part will show you the needs of well study of damper parameters when structural designing Tall Buildings
Part 5: show the effect of sub-modulus parameters (foundation type, and bearing capacity of soil) on the structural response of Tall buildings (story displacement, story drift, foundation settlement, and column forces) very important part will show you the needs of well study of geotechnical parameters when structural designing Tall Buildings