When designing a double-reinforced beam why is it necessary to provide extra reinforcement on the tension side as well as compression reinforcement?
A doubly reinforced beam is provided reinforcement in
compression side also as to take care of extra load due to big
section and to take care of tension in compression side ie
compressive stresses so the section is safe.
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What does compression mean?
Compression definitions vary slightly by the discipline in which it is used. Below are some examples: Compression (zoology), the ability of an animal to reduce its body size or parts of its body. Compression (gas), raising the pressure and reducing the volume of gases. Compression (geology), decreasing the volume of rocks or rock layers by increased pressure. Compression (data), encoding digital information through the process of using fewer bits. Compression (audio), the reduction in storage size of digital audio streams and files Compression (bandwidth), the process of reducing the time to transmit or the amount of bandwidth necessary to make a transmission. Generally, it is the process of making something smaller, typically by means of increasing pressure or through data encoding.
Asked in Definitions
Define non-contingent reinforcement in behavior?
"Noncontingent reinforcement refers to delivery of reinforcing stimuli regardless of the organism's (aberrant) behavior. The idea is that the target behavior decreases because it is no longer necessary to receive the reinforcement. This typically entails time-based delivery of stimuli identified as maintaining aberrant behavior, which serves to decrease the rate of the target behavior.http://www.answers.com/topic/operant-conditioning#cite_note-1 As no measured behavior is identified as being strengthened, there is controversy surrounding the use of the term noncontingent "reinforcement".http://www.answers.com/topic/operant-conditioning#cite_note-2" http://www.answers.com/topic/operant-conditioning
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Compression Therapy For Good Leg Health?
Compression therapy is a very important therapy used to treat thrombosis, phlebitis, vein surgery aftermath, chronic venous diseases, prevent venous stasis and venous walls impairment, and can relieve heaviness and aches in the legs. The compression is a very simply method. It means that an elastic garment is wrapped around and compressed on the leg. This compression garment is mainly a compression stocking. The stocking works by using gradual compression. It starts at the ankle very strong and is measured in millimeters of mercury. The compression decreases pressure as it goes up higher on the leg. However, each patient's case is different. Compression therapy is used in different degrees depending on the diagnosis of the leg disease or vein problems. It is very important to use the stockings in the exact way that the physician has directed. Using compression therapy can actually be dangerous if not done in the proper way. Compression therapy is a wonderful medical find and works very well when even the manufacturer's size charts are followed correctly. When this is done properly, there are no ill secondary effects by using the compression stockings. These garments are easily purchased and the doctor can be asked where to find the best deals on the stockings. Even some insurance companies may offer coverage when the compression stockings are needed for certain diseases or serious problems with circulation. The most well-known compression therapy is done by using the stockings. However, there are also socks, pantyhose and bandages that are also used for compression therapy. If the problems are only in the feet, it may only be necessary to use compression socks. This would be a lot more affordable than purchasing whole stockings, especially if they're not needed. Doctors will use compression class depending on the diagnosis of the patient. Class 1 is considered to be light compression, Class 2 is just a bit stronger, and Classes 3 and 4 are very strong. Even though compression garments were considered to be ugly and not fashionable at all, the garments that are available today are more stylish while they use new textures and colors that will go with any attractive outfit while keeping the health of the legs in check. Now there are no excuses not to wear them because they can be so attractive that no one will even know that they are compression garments.
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Asked in Auto Parts and Repairs
What happens when there is too much compression in a motor?
You will eventually blow a gasket or worse destroy a major seal. Also you can make the engine knock if you don't put high enough octane in, the higher the compression usually means the higher the octane you need, unless you have high compression from a supercharger or turbo, then it is not as necessary. But if you have knocking it means the gasoline engine is running like a diesel, which can destroy an engine if it happens for long enough. In a circumstance like that major components break, and not just seals and gaskets, you would likely have to replace the whole engine. If you decide to run high compression you must put heavier duty components in an engine. Good luck.