SELF-COMPACTING CONCRETE Masahiro OUCHI 1 SUMMARY Self-compacting concrete was first developed 1988 in order to achieve durable concrete structures. Since then‚ various investigations have been carried out and the concrete has been used in practical structures in Japan‚ mainly by large construction companies. Investigations for establishing a rational mix-design method and self-compactability testing methods have been carried out to make the concrete the standard one. Keywords: self-compacting
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in the area of civic buildings. What distinguishes Roman architecture is its technical advances which allowed the Romans to define space uniquely and impressively only using materials as simple as bricks and concrete. A civilisation known for its efficiency‚ the Romans developed concrete as a building material as it was durable‚ strong and economical‚ and particularly well suited in the construction of large-scale buildings. Such buildings as the Temple of Diana (ca.80 CE) in Nimes used cut-stone
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in today’s context of a globalized singapore‚ many people are concerned with building up our economy . what many people dont realise is that conserving out environment is just as important to our economy . yes our economic growth is important to sustain our economy ‚ but only to a limited extent . we need to conserve our environment because they are vanishing fast ! is our government doing enough ? or rather ‚ can they do more ? we believe that the government can do more to conserve our environment
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Benefits Of Choosing Stamped Concrete For Your Patio A plain concrete slab is the typical patio material‚ so if you want something a little more upscale‚ you may start to look at pavers or natural stone. However‚ there’s one option you don’t want to overlook‚ and that’s stamped concrete. It pours on like a concrete slab‚ but it looks just like more expensive stone. Here are some of the benefits of installing a stamped concrete patio. Lower Cost Slate and other stone materials are expensive. They
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Magan Agarwal Binani Cement Limited Key factors that control the compatibility between Naphthalene-based super plasticizers and ordinary Portland cements Synopsis: Super plasticizers improve the workability of concrete at low water cement ratio but this workability is sometimes lost rapidly in the first hour after contact between the cement and water. This is especially the case for naphthalene-based and melamine-based superplasticizers when used with the so called incompatible cements. It
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ACKNOWLEDGEMENT I would like to express my sincere gratitude to my chemistry mentor abcd ‚ for his vital support‚ guidance and encouragement -without which this project would not have come forth. fermentation of the following fruit or vegetable juices. i. Apple juice ii. Carrot juice (1) INTRODUCTION to the topic Fermentation is the slow decomposition of complex organic compound into simpler compounds by the action of enzymes. Enzymes
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“The Rose That Grew From Concrete” Tupac Shakur “The Blind Men and the Elephant” John Godfrey Saxe The story “The Rose That Grew From Concrete” by Shakur is a story about a rose that has grown from the concrete as mentioned in the title‚ speaking about how a rose grew against its odds using forms of personification and metaphors throughout the story. “The Blind Men and the Elephant” by Saxe is a story about six blind Indonesian men who went to see an elephant. Each of the men encountered the elephant
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day. Two major innovations were major factors in allowing romans to build these structures. Concrete‚ an invention of Rome‚ allowed them to build long lasting bridges‚ temples and dwellings. (Kamm‚ n.d.). Arches were used to extend the length of structures‚ providing support. With these two methods at their disposal‚ Rome was able to produce some awe inspiring structures. There were two types of concrete that were used in ancient Rome. The first of which was created simply using one part lime and
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Stock Repurchase Repurchase of stock can be viewed in each of the following way: investment‚ financing‚ shareholder distribution and control issue. Repurchase of stock can be a way to use firm’s excess debt capacity. By doing so‚ firm can lower the cost of equity financing. If debt financing is more flexible and cheap‚ replace equity financing with debt financing is a good way to lower the weighted cost of capital. In this sense‚ such action is a financing issue because it controls the cost of
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Four Stages Stage 1 - Concrete Experience There’s an old proverb that says ‘experience is what you get after the fact’. Keep this in mind as you write your Concrete Experience because it is an experience you’ve had which you need to document. ‘Documenting’ is also used purposefully because it sums up the Stage 1 requirement. Stage 1 is the feeling stage. Aside from the fear this prompts for the rationalists amongst us the main difficulty with documenting the Concrete Experience is the need
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