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This video provides a brief introduction to this course on Structural Stability of Lateral Forces. This  is a comprehensive course on structural stability for lateral forces according to industry standards.

Introduction to Structural Stability of Lateral Forces

A dynamical system's structural stability refers to the ability to securely transfer loads throughout. The stable and unstable positions in a structure are identified with the help of a rolling ball analogy. Different mathematical models are developed. Bracings are introduced to increase the stability of the building. This  video describes in detail the same.

Stable and unstable positions in a structure

When an excessive load is applied, a structure may become unstable. Over a certain point, structural deflections magnify stress, which then causes deflections to grow. This  may result in buckling. Generally, buckling can be either lateral or flexural. This  video describes in detail about the same.

Structural deflections and buckling

The two main types of lateral loads acting on a structure are seismic and wind loads. This alters the structure's frame behavior, resulting in horizontal displacement. This  video describes in detail the same.

Action of wind and seismic loads on buildings

A structure is typically subject to both permanent and variable loads. With the help of IS Standards, the load calculations are performed and the magnitude is calculated with the utmost accuracy. This video describes in detail about the same.

Load calculations using IS standards - Part 1

Learning how to create 3D models from sketches in Catia by using the Part Design workbench..

Environmental loads and complex loads

 A structure is typically subject to both permanent and variable loads. With the help of IS Standards, the load calculations are performed and the magnitude is calculated with the utmost accuracy. This  video describes in detail the same.

The base, floors, walls, beams, columns, roof, stairs, etc. are the fundamental parts of a building and are referred to as its structural components. They can be divided into three primary categories, including compression, tension, and flexural elements. These are built using steel and RCC construction components. This video describes in detail the same.

Brief introduction on Structural components

Stability systems are the structural system with the capability to transmit various loadings safely to the ground. The stability system is the integration of a Gravity resisting system, Lateral resting system, steel columns, and steel beams. This video describes in detail the same.

Brief introduction to Stability systems

 Reinforced cement concrete (RCC), is a composite material in which reinforcement material with higher tensile strength or ductility is added to compensate for the relatively low tensile strength and ductility of concrete. This video describes in detail the same.

Brief introduction to Reinforced cement concrete

The concrete floors,  Concrete walls, concrete beams, and concrete columns are the fundamental parts of a reinforced concrete building and are referred to as its structural components. The suitable foundation will be designed considering the load path in order to retain the stability of the structure. This video describes in detail the same.

Fundamental parts of a reinforced concrete

Certain loadings come into the picture during the construction phase the stability offered against these forces is called as construction phase stability. This video describes in detail the same, along with This the design phase and cause of construction instabilities are discussed in This video.

Construction phase stability

Structural engineers analyze and design all types of structures. They're focused on the materials of construction and their ability to withstand various design loads. A constructor is a person or firm that undertakes a contract to provide materials or labor to perform a service for construction. The responsibilities of the structural engineer and contractor are discussed  in detail in this video.

Responsibilities of the structural engineer and contractor

The construction conditions are generally categorized into two, temporary and permanent. These are explained along with some case studies in this video..

Brief introduction on construction conditions

 Lotus Riverside complex china collapsed due to the changes made in neighborhood ground conditions. The stability of the structure under renovation must be taken care of with utmost importance. These two standpoints are discussed in detail in this video.

Case study 1

Based on the structural plan and elevation perspective a structure is classified as a regular and irregular structure. This is described in detail in This course video with topics like Importance of regularities, effects of irregularities, Torsional irregularity on plan, and Diaphragm discontinued irregularity.

Regular and Irregular structure

The structure is more stable when the ratio of the sides of the plan is closer to unity. If not the structure is supposed to possess plan dimensional ratio irregularity. Followed by this the irregularities are grouped as out-of-plan offset irregularity, non-parallel system irregularity, seismic elevation irregularity, etc. Along with these the method to be followed to counteract irregularities are also discussed in this video.

Introduction to dimensional irregularities 

In order to transport lateral forces from the top of a building to the foundations, a typical lateral load-resisting system is made up of horizontal and vertical elements that are coupled to one another. This is called the lateral stability system. This also consists of the architectural requirements and the vertical and horizontal distribution. This video describes in detail the same.

Introduction to lateral stability system

Deflection is the amount of displacement of a structural element under a load (because it deforms). It might be referring to a distance or an angle. Various structural adjustments required are also discussed  along with the lateral stability in the  construction phase.

Displacements in structural elements and structural adjustments

Structural robustness can be defined as a structural system's capacity to withstand damage from heavy loads. Their need, and robustness design and non-quanitative approach are discussed in detail in This video.

Introduction to structural robustness

To enable sructural engineers to decide on the robustness requriements they require differenet codes and standards. According to this the structures are typically classified into different categories which will be discussed in this video.

Robustness requirements

Every structure that has elements that are subject to axial loads experiences second-order effects, which are nonlinear effects. Their impacts, elastic critical factor, imperfection and in specific global imperfections are covered in this video..

Introduction to second oder effects

The abrupt changes in ground shear, overturning moment, and/or axial force distribution at the base of a tall structure or structural component when it is subjected to lateral forces or significant lateral displacement are referred to as the P- or P-Delta effect in the building codes. The related concepts along with the IS specifications are explained in this videos.

P or P-Delta effect 

Different aspects such as material imperfections, which are generally due to the variations in their properties, then tolerances and effective length are covered in this video.

Material Imperfections 

The components of the  vertical lateral stability systems are in charge of transferring the lateral loads to the foundations. These elements are made up of one or more discrete vertical elements that are fastened or secured to the foundation. Baraced frames used in vertical stability and the difference in unbraced frames are explained in This course.

Components of vertical stability systems 

Shear walls made of reinforced concrete offer a structurally effective way to stiffen a building's structural structure under lateral loads. The structural steel building can rely on a reinforced core for its lateral vertical stability. This video provides the required information about the same.

Shear walls and reinforced cores

Structural elements used in enhancing the verical stability of the buildings such as moment resisting frames, hybrid systems and restrained slabs are explained in this video along with the concepts like redundancy , and vertical lateral stability, etc.

Structural elements used in enhancing the verical stability

A building's lateral stability refers to its capacity to maintain its horizontal stability when lateral force is applied to it. This force is balance by horizontal stability system, which is explainned in this video.

Introduction to horizontal stability system

A diaphragm is a structural element that transmits lateral loads to the vertical resisting elements of a structure and is classified as rigid, flexible diaphragms andsemi-rigid diaphragms this video describes in detail about the same.

Introduction to diaphragms - a structural element

Frames are generally divided into two categories, i.e., braced and non-braced frames. If the frame is suitably braced by lateral bracing components, it is deemed to be non-swaying (braced), The same is discussed in this video.

Braced and non-braced frames

The distance between the buckled shape's points of inflection (points of zero bending moment) is known as the effective length. Sway frames, on the other hand, are those that merely offer lateral resistance through columns (unbraced). This type of frame and the effective buckling length in non-sway  frames are explained  in This video.

Sway and non-sway frames

After designing a structure, its analysis is carried out in order to determine its internal forces that develop across its structural members. Its basics along with the non-linearities of the structure are explained in This video.

Introduction to the analysis of structure

Nonlinearity in materials is the nonlinear behavior of the material based on its current deformation, deformation history, temperature, rate of deformation, and so on. This is explained in detail along with its constraints  in this video.

Non-linearity in materials

The analysis of different materials, that falls into different zones are classified as elastic analysis, plastic analysis, and static linear analysis. Along with this the damage classification and stiffness matrix concepts are discussed  in this video..

Elastic analysis, Plastic analysis, and Static linear analysis

As a continuation to the previous video, the purpose of static nonlinear relationship, the force-displacement relationship are explained in This video. Sway structures are sensitive to second-order effects, thus their analysis needs to account for second-order analysis, This concept is also explained in This video along with the concept of amplifying first-order analysis results.

Static nonlinear relationship, the force-displacement relationship

A bracing system is a structural system that has been designed to resist wind and earthquake forces.  A short introduction about the same will be given in this video..

Braced systems in structural systems - Part 1

This video describes in detail the bracing systems as a continuation of the previous video. In This video, we will particularly learn about diagonal bracing and bracing in steel structural systems.

Braced systems in structural systems - Part 2

In this video we will learn about horizontal braced stability system, Loads path, winds suction, Advantages of diagonally  braced systems, braced columns, and recomended arrangements for braced bay.

Horizontal braced stability system,

While designing the braced frames, its geometry plays a crucial role in its efficiency. In this video, we will learn about the geometry of braced bays, efficiency of bracings, braced bay analysis, and distribution of horizontal forces.

Geometry of braced frames, its efficiency, and braced bay analysis

This video explains in detail about different types of braced bay stiffness like braced bay flexural stiffness and shear stiffness. This video also explains singly braced bay lateral displacement, computer modeling of structural elements, eccentricities,  and connections, design of braced bays, bolted diagonal tension member, bracing intersection and braced bay foundations.

Braced bay flexural stiffness and shear stiffness

A rectilinear assembly of beams and columns that resists moments is called a moment-resisting frame. This video will provide a brief introduction on the same.

Introduction to moment-resisting frames

In this video we will learn about moment resisting connections, its designs, behaviour, combinations with other systems, advantages and disadvantages.

Introduction to moment-resisting connections

A rectilinear assembly of beams and columns that resists moments is called a moment-resisting frame. In This video we will learn about moment resisting frames and related topics like failure mechanisms, lateral deflections, ductility,types, comparison of types of frames, ordinary moment resisting frames, special moment resisting frames and RC frames special reinforcement detailing.

Moment-resisting frames - A detailed view

Industrial structures are classified as short and tall, in this video, we will discuss various concepts of tall industrial structures like foundations of high-rise structures, gravity and lateral loads on high-rise structures and high-rise lateral stability systems..

Introduction to industrial structures

This video describes various concepts of the shear wall like a failure of shear walls, coupled behavior of shear walls, its slenderness and restrains, and also about wall ideations as columns.

Introduction to shear walls

Structures that are taller than 50 m are called tall buildings. In this video, we will have a small introduction to tall buildings..

Introduction to concepts on tall buildings

As a continuation to the previous video, this video covers concepts related to tall industrial structures, foundations of highrise structures, pile foundations and high-rise lateral stability systems, etc.

Tall building - high-rise lateral stability system

In this video, we learn about the design of high-rise structures, irregularities of tall structures, horizontal trusses, and earthquake forces.

Irregularities in tall structures

Earthquake and wind are the forms of lateral forces, these are explained in this video.

Earthquake and wind forces

Different aspects of tall buildings such as shear walls and cores in tall buildings are explained in this video. Shear walls and flexural deformation, high rise cores, and steel framed structures are also explained  here.

Different aspects of tall buildings -  Shear wall and cores

A framework of metal, concrete, or wooden beams that intersect diagonally is known as a diagrid and is used to construct buildings and roofs, along with this  we will be learning about 3D space truss systems in this video..

Diagrid and 3D space truss

This video gives an introduction to Diagrids and Bracings in tall buildings and types of bracings like concentric bracings and eccentric bracings.

Diagrids and bracings in tall buildings - Part 1

This video, as a continuation provides extended information about the concepts of diagrids and bracings..

Diagrids and bracings in tall buildings - Part 2

The video describes in detail about diagrid strucrtures. As discussed earlier diagrid structures are a framework of metal, concrete, or wooden beams that intersect diagonally..

Diagrids and bracings in tall buildinngs - Part 3

This video provides a small introduction about tubes and mega frames in tall buildings, in particular we will learn about the tubes in tube systems.

Introduction to tubes and mega frames in tall buildings - Part 1

Tube systems are classified as braced, framed tube systems, and bundled tube systems. Along with this, the video describes mega resisting frames.

Introduction to tubes and mega frames in tall buildings - Part 2

The list of codes known as 'Indian standard codes' is used by civil engineers in India to construct and analyze civil engineering facilities such buildings, dams, roads, trains, and airports. This video gives a short introduction to lateral stability requirements from the IS codes.

Introduction to lateral stability requirements from the IS codes.

Classification of frames, national horizontal loads, non-sway  frame classification, elastic behavior, elastic-plastic behaviour, rigid plastic behavior and analysis of structure are explained in this video.

Classification of frames, Behaviour, and analysis of structure

This video explains the concept of plastic analysis, columns' effective lengths, and elastic buckling load factor in non-sway  frames.

Non-Sway frames

Load factor plays an important role in designing structures, like elastic buckling load factor in non-sway  frames, effective buckling length factor, and buckling load factor. Along with this video also explains about design bending moment and robustness requirements.

Bending moment and robustness requirements.

This  video provides a short introduction to computer modeling of the structure, analysis models, and finite element analysis of structures with lateral stability.

Introduction to computer modeling

The finite element modeling, modeling of diagonally braced frames, rigid floor diaphragm, and shear wall modeling are explained in this video..

Finite element modeling

This video explains shear wall modeling techniques and modeling moment resistance frames in detail.

Shear wall modeling techniques 

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Structural Stability of Lateral Forces

This video provides a brief introduction to this course on Structural Stability of Lateral Forces. This  is a comprehensive course on the structural stability of lateral forces according to industry standards.

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This video provides a brief introduction to this course on Structural Stability of Lateral Forces.This  is a comprehensive course on the structural stability for lateral forces according to industry standards.

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