Welcome to ARCH 2480

Congratulations! if you are reading this you have successfully found Open Lab and our class web site. Remember you must register as a member of Open Lab (follow the directions on the first page) and as a member of this class (see directions under help). You must be a participant in the class to post assignments and comments. If you have any problems or questions, e-mail me (BMishara@citytech.cuny.edu). The staff of Open Lab are also extremely helpful and quick to respond.

 Getting Started

On our Open Lab site we will be thinking and writing about structures and mathematics. The study of structures is based on science and mathematics. I think everyone acknowledges these facts. But writing??!! What does that have to do with either subject? A lot it seems.  Research shows that by writing and thinking about mathematical processes dramatically increases student understanding and learning.  When you describe the reasoning you used to solve a problem, you must think through the steps very carefully and in detail. Writing accomplishes this. Teaching or explaining solutions verbally is also an excellent learning technique. We  will be doing this in class.  The focus is not so focused on the “right” answer, but rather your understanding of the parameters. 

I will also ask you to think and write about how you worked on a problem. This is called metacognition, or “thinking about thinking.” What goes on in your head when you work on a problem. What are your feelings – panic, anxiety, confidence? Where do you get stuck and what can you do next? Recognizing your thoughts identifies obstacles to learning. And this is the beginning of a solution. Metacognition also illustrates your learning style. Reinforcing this style increases understanding and learning.

 At first these techniques might seem odd. Give them a chance. Like any skill it takes practice. (With thanks to Jonas Reitz)

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Advice to next semester students in ARCH 2480

We’ve had our last class. Only the final project and final exam remain. What advice would you give to students taking the course next semester? What advice would you give to Professor Mishara? What techniques helped you succeed? What do you wish you had done differently?

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Suggested questions for the final

Are there concepts you have struggled to understand? Are there ideas that suddenly make structures understandable? Now is the time to suggest questions, problems or concepts which are important to the class. You don’t have to have the ANSWER! We will discuss and review all questions before the exam.

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well

I dont know where are the things i posted, they arent appearing and i have poested the definitions and everything

 

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Definition : Beam Updates Definition

Beam : A horizontal member that supports loads, most often perpendicular to its length, by resisting bending.

A beam is the shorter member of a structural frame.

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Definition

Shear Diagram: This is a diagram where the shear on every point along a beam is plotted.

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DEFINITION

STRESS: when a load (force) is applied to a material, it creates one or more of the three basic states of stress within that material: compression, tension, or shear. For direct compression and tension, the stress typically acts perpendicular to the cross section of the material; for shear, the stress typically acts parallel to the cross section of the material.

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DEFINITION

free body diagram – a simple diagram that shows the direction of the forces acting upon a object

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Definition

Equilibrium-is the condition in which all forces acting on a body are in balance so that the body does not move.

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Definitions

Moment Diagram-  it is a tool for structural analytical to help perform Structural design by determining the value of Shear force and bending moment at a given point of an element.

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Foggy points – weeks 3 and 4

We covered a range of materials in these beginning weeks of the class – load paths, end reactions, moments, free body diagrams, shear. As we face the first test, what aspects are unclear? Comment on this post and also respond to other comments. Explaining a concept to other person is a good way of further understanding it.

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