Lec-14 Design of Slabs Part-1

Lecture series on Design of Reinforced Concrete Structures by Prof. N.Dhang, Department of Civil Engineering, IIT Kharagpur. For more details on NPTEL visit nptel.iitm.ac.in

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Working Stress Method Design of Singly Reinforced Beams

Working Stress Method Design of Singly Reinforced Beams

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Lec-20 Design of Columns Part-II

Lecture series on Design of Reinforced Concrete Structures by Prof. N.Dhang, Department of Civil Engineering, IIT Kharagpur.For more details on NPTEL visit nptel.iitm.ac.in

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009 Physical Member Design per AS 4100 in STAAD.Pro (Screencast 008)

In this video, Bentley's James Forbes will walk you through the creation and design of physical members using STAAD.Pro V8i (SELECTseries 2). Design of physical members per AS 4100 (Australian) was updated in this version, but much of this tutorial is handy for design physical members for other design codes as well.

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Lec-19 Design of Columns Part-I

Lecture series on Design of Reinforced Concrete Structures by Prof. N.Dhang, Department of Civil Engineering, IIT Kharagpur.For more details on NPTEL visit nptel.iitm.ac.in

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ConSteel 6.0 - Composite and able accurate cavalcade design

ConSteel 6.0 - Composite and reinforced concrete column design

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Steel Framing Design and Drawings - Basic Considerations

Steel framing is a construction method that uses steel supports to develop the skeleton or basic structure of a building. The steel frame gives structural support to various building elements, including roof, floors, siding, walls and residents. Steel framing is a substitute for other construction techniques, including modular building and wood framing.

A steel frame design consists of vertical components, known as columns, as well as horizontal members, known as girders. Both girders and columns are usually made from I-beams, which are capital "I" shaped steel beams. The two shorter lengths of steel I-beams are known as flanges, while longer segment is called a web. The shape of an I-beam facilitates better structural support and superior strength for the rest of the building structure.

The girders and columns utilized in steel framing design are laid out in a grid layout, with steel sheets used to create roof decks and floor. Building members that are not exposed to high loads may be constructed from steel pipes, channels or tubes, which weigh less than steel I-beams. Because of their high strength to weight ratio, steel trusses or joists are frequently used to construct roof supports. These members are joined together using rivets, bolts or welding methods to make sure a strong connection.

Steel framing design has a number of benefits over other construction methods. First, it offers greater strength compared to its weight, which facilitates safe construction of high-rise or complex buildings. Because steel is manufactured mechanically, it provides a consistency that can not be found with wood-framed buildings. This often results in more even and smoother walls, as well as less structural failures. Finally, steel framing is not vulnerable to the rot, mold and insect problems that bother wood-framed buildings!

Despite its many advantages, steel framing design also has its downsides. It is typically much more costly than wood framing requiring more expert installers. Steel framed buildings demands careful attention to minimize the risk of heat or fire-related failure and encasing in concrete. To ensure effective framing design and its successful implementation you should hire a professional design team to deliver CAD drawings as per your specifications & standards. You can also think over outsourcing framing design related needs to offshore vendors for better utilization of your resources & get significant cost advantages!

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Google I/O 2009 -...Interaction & Visual Design with Android

Google I/O 2009 - Pixel Perfect Code: How to Marry Interaction and Visual Design the Android Way Chris Nesladek A great user experience incorporates three pillars: structure, behavior, and expression. This talk will explore the wide variety of interaction design patterns we have built into the Android system framework to help educate you on the best way to use these pattern-based behaviors for an optimized user experience. For presentation slides and all I/O sessions, please go to: code.google.com/events/io/sessions.html

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Circular design saws

Here we have a hand held Husqvarna saw and a pentruder wall saw cutting a big concrete column that needed to be removed.

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Structural Beam Calculations, Structural Design Analysis for Beam

Structural beam plays crucial role in the overall stability and safety of the building or structure. The process of determining the sufficiency of steel, wood or even a concrete beam is more or less the same.
Once you choose a beam, the process of structural analysis is as follows:
# Identify the live and dead loads
# Calculate the stresses
# Compare the allowable stresses against the actual stresses
Determine the Loads:

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Hardscape Design

The term hardscape refers to landscaping structures constructed from inorganic materials that work toward sculpting the overall landscaping design. These structures include many things such as driveways, patios, walls, fencing, and drainage. The design of hardscape must always be treated as a very critical and precise art. Since the human mind naturally gravitates toward a sense of order and system, manmade structures on the landscape must be carefully engineered so as to give form to organic essence and compliment to architectural style. They must always work to develop the aesthetic of the home and the terrain in a way that magnifies its true essence. They must never clash with their surroundings in a way that diminishes aesthetic for the sake of mere pragmatic function.

Materials selection is very important to hardscape design. Different materials allude to different states of mind and contribute individual aesthetic elements unique unto themselves. The feeling we get from a brick walkway is not going to be the same as the feeling we get from a concrete sidewalk. Depending on the theme of both home architecture and the surrounding landscape, hardscape materials will ultimately be chosen that will unify the home with the landscape in such a fashion as to clearly establish a corresponding theme between the two. Wood may be chosen to create a simple, traditional sensibility in even the most meticulously constructed of outdoor rooms. Concrete patios may be built chosen to establish the stark contrasts that predominate contemporary design. Stone work ranging from cut stone to limestone and tile can be used to create any number of thematic connotations ranging from a formal Old World entryway to a wilderness façade around a natural swimming pool.

Drainage is another important aspect of all hardscape design projects. Any structure built in a front yard or back yard creates a potential dam for rainwater, so there must be a mechanism of some sort built into the design of the structure that will prevent it from encroaching on the structure or collecting at its base.
The design of the hardscape needs to accomplish this at a functional value and simultaneously uphold the aesthetic. This requires hiding drain inlets and building custom decorative drain grates that conceal their purpose behind the ornamental. In other cases, it may be necessary to pitch drains so that there are fewer drain inlets. In cases where it simply will not work to have any visible drain built into the hardscape itself, (such as we see in certain patios, walkways, and motor courts), then the structure must be designed with a very subtle slope that causes water to runoff without creating uneven paving in the process.

Hardscape design also includes seat walls, retaining wall, columns, and curbs. These structures are designed either as a component of irrigation systems, or as barriers against water encroachment from areas outside of the landscape proper. Again, constructing these elements must be done very skillfully with an eye for balance, integration, and harmony always trained on both the individual forms and the overall unity they create upon completion of the project. This is why hardscape design often proves to be the most expensive aspect of landscaping, which is one reason why it needs to be done correctly by professional, experienced landscaping architects or designers. Attempting to take any shortcuts in this area almost guarantees that the project will have to be done all over again. If done wrong, it will often be the next generation that fixes it.

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These are Some of the Design Features of the Craftsman House Plans

As the name indicates, the craftsman house plans are specially crafted to give the best quality to your homes. Every work is detailed minutely with the finer designs and contemporary art. The structures of this house include cabinets, built in shelves and the material made of wood which cover every part of the room. The roofs are low slung with numerous projections. The wide welcoming porches are supported with the strong and huge columns. The craftsman house plans are typically designed in American style that are natural and simple which provide quality designs to the people with great taste of art and architecture.





The design features of the craftsman house plans are: Exposed attics, low slung roofs, one-one and a half to two storey plans, uncovered beams and ridge shafts, large verandas supported with tapered square columns etc. More stress is given on the detailing of the designs that covers the whole area of the house.





The living rooms flaunt the fireplaces and the tall glass windows. The kitchen is located centrally in many of the plans which are attached to the dining areas. The study rooms include the cabinets for the storages and are attached with full bathrooms which can also serve as bedroom in case of emergency. The master bedrooms are also attached with the full bathrooms with a bath tub and a shower. Two extra bedrooms have a common bathroom which includes a linen cabinet for the storage of the things. The general areas which are included in these craftsmen house plans are: Formal dining room, kitchen with a snack bar, deck on the first level, carpet flooring or tile flooring (if specified in the plan), veranda, laundry room, fireplace, gathering room, French doors etc.





Some plans do not emphasize much on the exteriors of the houses. But the interiors are lavishly designed. The wide lobbies lead the way to the living rooms which are showcase the warm fireplaces. The wooden cabinets serve the purpose of the storage areas in the cold seasons. The kitchens are equipped with the six burner gas stove and the pantry leads to the dining areas of these houses. The master suite is attached with a spacious spa and the glass windows bring in plenty of fresh and natural light. The lower levels of thee houses includes a mini bar, a gaming area and the home theater. Two bedrooms share a common bathroom and computer place.





The striking features of these plans are: Master suite, strong columns, formal dining areas, laundry room, kitchen with breakfast nook, media centre, game room, wet bar, pantry, French doors, verandas and home theatre etc. The master bedrooms are designed with the walk in wardrobes attached with dressing rooms. The designs are crafted with the blend of different arts and designs and according to the needs of the customer

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DESIGN DECODER - 2Stone Designer Concrete

Companion video to the newest Swerve column, Design Decoder. www.2stone.ca

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Custom Drupal Theme from a Photoshop Design in Seconds

psd2cssonline.com - This tutorial shows you how to make a custom Drupal Theme from your Photoshop or GIMP design in seconds. Here we show you how to make custom regions (besides just left column, content, right column, etc.) so that you can make any and as many regions as you want. NOTE!!! - since this video was created, the NEW CORRECT place to install a theme for Drupal is in the {drupal_root} folder, NOT the {drupal_root}/themes folder anymore (as is shown in the video). psd2css Online already builds the CORRECT folder structure however so this shouldn't be a problem for you. Please do NOT install your psd2css Online generated theme in the {drupal_root}/themes folder - it won't work!

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Elements and Examples of Beam Design

The elements of beam design is a topic of great interest for structural engineers and contractors. Beam design is integral in the design and construction of a structure. Most structural beams are comprised of wood, steel or concrete. Each of these construction materials reacts differently under the stress of a load. Each also has its own unique advantages.

Elements and Examples of Beam Design: Concrete Beams

Concrete beams are most often seen in commercial construction, such as in the erection of multi-level parking decks, hospitals, and large hotels. Concrete beams are also commonly used as bridge and highway supports. Some concrete beams are used in conjunction with steel beams to provide added strength. Newer concrete beams may also contain a hybrid material of traditional concrete mixed with Glass Fiber Reinforced Polymer (GFRP) or Carbon FRP.

Concrete is a strong building material, but it is susceptible to water damage and cracking. Iron bars are often included in the beams to add strength and stability over areas prone to greater stress. Concrete beams area also desirable for their ability to absorb sound and vibration.

Elements and Examples of Beam Design: Steel Beams

One very common type of steel beam is the I-beam. These I shaped beam are strong and moderately affordable. Steel beams are capable of supporting heavy loads without experiencing great amounts of deflection by distributing the load of the structure over the flange of the beam. Steel beams may be treated to prohibit corrosion and oxidation, especially when used near or under water, such as in bridge construction.

Elements and Examples of Beam Design: Wood Beams

Wood beams are common in residential structures. Wood beams may be notched or jointed together for added strength. Wood beams are inexpensive and easy to alter to a builder's specifications. However, they are also susceptible to rot and insect infestation. Specially treated wood beams are now available that resist decomposition, moisture and insects, making them an attractive choice in beam materials for most homeowners.

Elements and Examples of Beam Design: Flitch Beams

Flitch beams are specially constructed beams that join a steel plate with adjacent wood panels to form one composite structural beam. These flitch beams are strong, yet less expensive and lighter than solid steel beams. The construction of a flitch beam results in a reduction of the overall size of the beam, and the wooden exterior also allows the builder to nail the beam to other existing wooden structures in the home.

Elements and examples of beam designs are plentiful. Beam design and selection are an important part of the construction process and the wide variety of beams to choose from allow a builder to meet the needs of each project more easily.

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Interior Design: How To Handle Problem Areas

How often do you enter a room and find certain details or areas that you feel good about? Are there areas in your own home that you find nice or appealing? In interior design, these are good features of a room. There is a decorating philosophy that goes, "Accentuate the positive and eliminate the negative". By following this basic interior design philosophy you can highlight the positive or good features of the room and come up with a pleasing design scheme. Let's say you have a beautiful fire place in your living room. This is a good feature and often a fireplace is used as a focal point in interior design. The first thing you want to do is accentuate this good feature by making it the focus of attention and building a conversation area around it.

It is rather easy to notice the positive details of any given room, making the task of accentuating the positive features easier, but how do you deal with the problem areas? The interior design philosophy teaches us to eliminate the negative and when it is impossible to eliminate it, just camouflage it. Do you have any area in your home that you wish doesn't exist or is it in a particular architectural style that doesn't go with your own personal taste or does it have pillars or columns that are distracting?

Here are some possibilities of problem areas that you might have in your home and how to deal with these.

How would you deal with a wall containing a distracting column?

1. You can make it disappear by installing cabinets that will fill the spaces on either side of it. This will make the column appear as if it were part of the straight wall because it is already in line with the cabinet's face.

2. If your area is big enough and you can afford to lose some space, just simply build a new wall that runs across the face of the column.

3. The simplest and least expensive way is to paint the wall and column with one color, making the column blend into the wall and thus make it appear less obvious.

Have you come across a room with a pillar planted right in the middle? I bet you wanted to hack that pillar right off the floor. The problem with a pillar placed right in the middle of a room is that it cannot just be removed as much as we want to. This usually is essential in the structure's integrity and eliminating this is definitely not an option. How then will you deal with this kind of a problem? Although this is not a positive feature of a room, you might want to accentuate it and make it stand out. Instead of looking at it in a negative perspective, try to make it a positive feature by making it the focal point.

1. You can paint the pillar a brilliant color, especially if you are planning to have a high-tech or avant-garde room.

2. You can also use some eye-catching device or paint it in stripes to catch attention.

3. If you are planning to have a traditional room, try installing an intricately designed capital and make the pillar stand out.

4. If you have a large room, a mid-room pillar may actually give you the opportunity to divide one big room into two. The pillar could be used as a starting point of a wall that will convert one huge room into two different areas.

5. The easiest and least expensive way to camouflage a pillar is to paint it with the same color as the walls. Although this is not a very effective way to eliminate the irritating center pillar it can at least make it less obvious.

6. The best way to make a mid-room pillar disappear is to mirror it. This is very effective since the mirror will just merely reflect the rest of the room.

Having vivid mental pictures and good imaginations of how things should look like will enable you to solve your interior design dilemmas. And with some help from the interior designer's well followed philosophy, you can create the same harmonious room that often only designers can achieve.

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Cantilevered Column Test

Test of a 1/10 Scaled Reinforced Concrete Cantilevered Column structure, subjected to sinusoidal base movement in a shaking table until collapse is produced. To reproduce the effect of mass on a real structure, 400 kg of lead were placed on top of this colum, which is 60 cm high. This test was done in the Seismic Lab of the Universidad Tecnica Federico Santa Maria in Chile.



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