Of LP) Motortrend using their weather correction figures will get a marginally quicker time, no doubt. The Huracan Evo does exactly that and shoots up to 60 miles an hour in simply 2. Arriving at mph in 6 seconds is another level, before tearing through the quarter-mile in The wail from the 5. His black huracan has the Dime Rac. With 20 years of documented research and development in the forced induction field, AMS Performance has proven itself as the powerhouse in the automotive aftermarket.
Our award winning performance systems are what all others are measured by The Mclaren is powered by a twin-turbo V8 which produces the same amount of power as the Audi. The Huracan Evo Spyder, with its launch control or thrust mode as the Italians call it, is one of the fastest accelerating supercars. It can do mph in just 3. The standard 5. Hammer the gas and mph will happen in 2. We can't even imagine what a Underground Racing Twin Turbo kit will do to these numbers.
The durability of the 5. The top speed of the car is mph and is a tad slower than the standard EVO. A twin-turbo setup for the Huracan could have pushed the power well over the 1, hp mark, but the thing with the superchargers is in the way they deliver the power. Instantly, that is.
This could be the world's first twin turbo Lamborghini Huracan and it makes hp. The stock Huracan comes with a 5. Even in its stock form, the Huracan LP isn't that slow. It can do mph in 3.
Shiftable Auto 10 Cyl Eng. AWD Coupe. The underground racers have already used a pair of. The Premier Lamborghini Forum. If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below Colors, smells and sounds meld with a seductive design and ultra-light materials.
The hp naturally aspirated V10 engine roars with authority, as the exhaust announces the presence of a formidable machine The Lamborghini Huracan Performante is a special edition performance model based on the Huracan Coupe and gets a number of updates, redesigned elements and other improvements that, as a whole. One of their more popular kits is for the Lamborghini Gallardo. But since that car has been replaced, it's only natural that Underground Racing turn to the new Huracan twin turbo.
Thanks Stephen! LamboboSimp 11m ago. It features a 4. Thus, this powertrain puts out a total of HP PS and lb-ft Nm of torque, for a time of 3. My late parents owned a home in Clinton Corners, NY not too far from Rhinebeck as their weekend retreat when we lived in Manhattan and I remember how glorious the fall foliage was. Sam, this looks like a wonderful place for a fall excursion.
Thanks also for the history. I enjoyed hearing Johnny Cash's song. Very interesting. What a beautiful place! I know my husband and I will enjoy visiting there the next time we are up New York way. It looks like a wonderful alternate travel plan for us to see something different.
Plus, we love hiking. Johnny Cash was always a consummate storyteller. He will certainly make one stop and think. I can understand why the Seneca Indians would rename it Lake Perfidy and how they would have been angered and hurt by the dam decision. In our own time, we know how treaties and agreements honorably made in the past are broken or changed to reflect the more immediate needs.
Logically, we all recognize there are more people on the earth, and certainly in American now than there were in Plus,while my heart goes out to the Seneca, I know it isn't just the Indians who are displaced when a local or federal government determines an area is needed for something different. Land is "force purchased" from anyone for roads, highways, railroads, government buildings, public utilities, etc.
Sam, the minute that we decide that we are going somewhere, I think I will take this trip through this beautiful area. I love fall colors and the changing of the season! This could be a new way down to Florida for me! Thanks Sam for putting this on my map of places to go!
Oh now I want to fly over and visit this gorgeous place! What wonderful walks and trails and we could spend many happy days here I think. Thank you for the interesting history and understanding of the area.
I love your beautiful autumnal photos with the brilliant rich colours, truly lovely. The Review This Contributors. Susan Deppner. Are You in The Twilight Zone? A Holiday Review! That is the Question in the Spring Air? A Garden Review! Gardeners not only Know all the Dirt, they have the Best Tools to spread it around too! The cement is costlier than lime-based cements, but polymer concretes nevertheless have advantages; they have significant tensile strength even without reinforcement, and they are largely impervious to water.
Polymer concretes are frequently used for the repair and construction of other applications, such as drains. Volcanic concrete substitutes volcanic rock for the limestone that is burned to form clinker. It consumes a similar amount of energy, but does not directly emit carbon as a byproduct. A form of polymer modified concrete. Grinding of concrete can produce hazardous dust. Exposure to cement dust can lead to issues such as silicosiskidney disease, skin irritation and similar effects.
The U. National Institute for Occupational Safety and Health in the United States recommends attaching local exhaust ventilation shrouds Intro - Basalt (4) - Basalt (Vinyl electric concrete grinders to control the spread of this dust. An updated silica rule,  which OSHA put into effect 23 September for construction companies, restricted the amount of respirable crystalline silica workers could legally come into contact with to 50 micrograms per cubic meter of air per 8-hour workday.
That same rule went into effect 23 June for general industry, hydraulic fracturing and maritime. That the deadline was extended to 23 June for engineering controls in the hydraulic fracturing industry. Companies which fail to meet the tightened safety regulations can face financial charges and extensive penalties. Concrete has relatively high compressive strengthbut much lower tensile strength. The elasticity of concrete is relatively constant at low stress levels but starts decreasing at higher stress levels as matrix cracking develops.
Concrete has a very low coefficient of thermal expansion and shrinks as it matures. All concrete structures crack to some extent, due to shrinkage and tension. Concrete that is subjected to long-duration forces is prone to creep. Tests can be performed to ensure that the properties of concrete correspond to specifications for the application.
The ingredients affect the strengths of the material. Concrete strength values Intro - Basalt (4) - Basalt (Vinyl usually specified as the lower-bound compressive strength of either a cylindrical or cubic specimen as determined by standard test procedures. The strengths of concrete is dictated by its function. Very low-strength—14 MPa 2, psi or less—concrete may be used when the concrete must be lightweight.
For most routine uses, 20 to 32 MPa 2, to 4, psi concrete is often used. Higher-strength concrete is often used for larger civil projects. For example, the lower floor columns of high-rise concrete buildings may use concrete of 80 MPa 11, psi or more, to keep the size of the columns small. Bridges may use long beams of high-strength concrete to lower the number of spans required. If a structure must be very rigid, concrete of very high strength may be specified, even much stronger than is required to bear the service loads.
Strengths as high as MPa 18, psi have been used commercially for these reasons. Concrete is one of the most durable building materials. It provides superior fire resistance compared with wooden construction and gains strength over time. Structures made of concrete can have a long service life. Due to cement's exothermic chemical reaction while setting up, large concrete structures such as damsnavigation lockslarge mat foundations, and large breakwaters generate excessive heat during hydration and associated expansion.
To mitigate these effects, post-cooling  is commonly applied during construction. An early example at Hoover Dam used a network of pipes between vertical concrete placements to circulate cooling water during the curing process to avoid damaging overheating. Similar systems are still used; depending on volume of the pour, the concrete mix used, and ambient air temperature, the cooling process may last for many months after the concrete is placed.
Various methods also are used to pre-cool the concrete mix in mass concrete structures. Another approach to mass concrete structures that minimizes cement's thermal by-product is the use of roller-compacted concretewhich uses a dry mix which has a much lower cooling requirement than conventional wet placement. It LP) deposited in thick layers as a semi-dry material then roller compacted into a dense, strong mass. Advantage and Disadvantage of Concrete. Raw concrete surfaces tend to be porous and have a relatively uninteresting appearance.
Many finishes can be applied to improve the appearance and preserve the surface against staining, water penetration, and freezing. Examples of improved appearance include stamped concrete where the wet concrete has a pattern impressed on the surface, to give a paved, cobbled or brick-like effect, and may be accompanied with coloration.
Another popular effect for flooring and table tops is polished concrete where the concrete is polished optically flat with diamond abrasives and sealed with polymers or other sealants. Other finishes can be achieved with chiseling, or more conventional techniques such as painting or covering it with other materials. The proper treatment of the surface of concrete, and therefore its characteristics, is an important stage in the construction and renovation of architectural structures.
Prestressed concrete is a form of reinforced concrete that builds in compressive stresses during construction to oppose tensile stresses experienced in use. This can greatly reduce the weight of beams or slabs, by better distributing the stresses in the structure to make optimal use of the reinforcement.
For example, a horizontal beam tends to sag. Prestressed reinforcement along the bottom of the beam counteracts this. In pre-tensioned concrete, the prestressing is achieved by using steel or polymer tendons or bars that are subjected to a tensile force prior to casting, or for post-tensioned concrete, after casting.
More than 55, miles 89, km of highways in the United States are paved with this material. Reinforced concreteprestressed concrete and precast concrete are the most widely used types of concrete functional extensions in modern days. See Brutalism.
Extreme weather conditions extreme heat or cold; windy conditions, and humidity variations can significantly alter the quality of concrete. Many precautions are observed in cold weather placement.
Preventing freezing is the most important precaution, as formation of ice crystals can cause damage to the crystalline structure of the hydrated cement paste. If the surface of the concrete pour is insulated from the outside temperatures, the heat of hydration will prevent freezing. In Canadawhere temperatures tend to be much lower during the cold season, the following criteria are used by CSA A The minimum strength before exposing concrete to extreme cold is psi 3. CSA A Concrete may be placed and cured underwater.
Care must be taken in the placement method to prevent washing out the cement. Underwater placement methods include the tremiepumping, skip placement, manual placement using toggle bags, and bagwork. Grouted aggregate is an alternative method of forming a concrete mass underwater, where the forms are filled with coarse aggregate and the voids then completely filled with pumped grout. Concrete roads are more fuel efficient to drive on,  more reflective and last significantly longer than other paving surfaces, yet have a much smaller market share than other paving solutions.
Modern-paving methods and design practices have changed the economics of concrete paving, so that a well-designed and placed concrete pavement will be less expensive on initial costs and significantly less expensive over the life cycle. Another major benefit is that pervious concrete can be used, which eliminates the need to place storm drains near the road, and reducing the need for slightly sloped roadway to help rainwater to run off.
No longer requiring discarding rainwater through use of drains also means that less electricity is needed more pumping is otherwise needed in the water-distribution systemand no rainwater gets polluted as it no longer mixes with polluted water. Rather, it is immediately absorbed by the ground.
Energy requirements for transportation of concrete are low because it is produced locally from local resources, typically manufactured within kilometers of the job site. Similarly, relatively little energy is used in producing and combining the raw materials although large amounts of CO 2 are produced by the chemical reactions in cement manufacture.
Once in place, concrete offers great energy efficiency over the lifetime of a building. The thermal mass properties of concrete increase the efficiency of both residential and commercial buildings. By storing and releasing the energy needed for heating or cooling, concrete's thermal mass delivers year-round benefits by reducing temperature swings inside and minimizing heating and cooling costs. Modern concrete wall systems use both external insulation and thermal mass to create an energy-efficient building.
Insulating concrete forms ICFs are hollow blocks or panels made of either insulating foam or rastra that are stacked to form the shape of the walls of a building and then filled with reinforced concrete to create the structure. Concrete buildings are more resistant to fire than those constructed using steel frames, since concrete has lower heat conductivity than steel and can thus last longer under the same fire conditions.
Concrete is sometimes used as a fire protection for steel frames, for the same effect as above. Concrete as a fire shield, for example Fondu fyrecan also be used in extreme environments like a missile launch pad. Options for non-combustible construction include floors, ceilings and roofs made of cast-in-place and hollow-core precast concrete.
ICFs are hollow blocks or panels made of fireproof insulating foam that are stacked to form the shape of the walls of a building and then filled with reinforced concrete to create the structure.
Concrete also provides good resistance against externally applied forces such as high winds, hurricanes, and tornadoes owing to its lateral stiffness, which results in minimal horizontal movement. However, this stiffness can work against certain types of concrete structures, particularly where a relatively higher flexing structure is required to resist more extreme forces.
As discussed above, concrete is very strong in compression, but weak in tension. Larger earthquakes can generate very large shear loads on structures. These shear loads subject the structure to both tensile and compressional loads.
Concrete structures without reinforcement, like other unreinforced masonry structures, can fail during severe earthquake shaking. Unreinforced masonry structures constitute one of the largest earthquake risks globally. Concrete can be damaged by many processes, such as the expansion of corrosion products of the steel reinforcement barsfreezing of trapped water, fire or radiant heat, aggregate expansion, sea water effects, bacterial corrosion, leaching, erosion by fast-flowing water, physical damage and chemical damage from carbonatationchlorides, sulfates and distillate water.
The manufacture and use of concrete produce a wide range of environmental and social consequences. Some are harmful, some welcome, and some both, depending on circumstances. A major component of concrete is cementwhich similarly exerts environmental and social effects. Every tonne of cement produced releases one tonne of CO 2 into the atmosphere. Concrete is used to create hard surfaces that contribute to surface runoffwhich can cause heavy soil erosion, water pollution, and flooding, but conversely can be used to divert, dam, and control flooding.
Concrete dust released by building demolition and natural disasters can be a major source of dangerous air pollution. Concrete is a contributor to the urban heat island effect, though less so than asphalt. Workers who cut, grind or polish concrete are at risk of inhaling airborne silica, which can lead to silicosis. The presence of some substances in concrete, including useful and unwanted additives, can cause health concerns due to toxicity and radioactivity. Fresh concrete before curing is complete is highly alkaline and must be handled with proper protective equipment.
Concrete recycling is an increasingly common method for disposing of concrete structures. Concrete debris was once routinely shipped to landfills for disposal, but recycling is increasing due to improved environmental awareness, governmental laws and economic benefits. The amount of concrete used in the construction of the dam is estimated at 16 million cubic meters over 17 years. The previous record was The world record for concrete pumping was set on 7 August during the construction of the Parbati Hydroelectric Project, near the village of Suind, Himachal PradeshIndia, when the concrete mix was pumped through a vertical height of m 2, ft.
The Polavaram dam works in Andhra Pradesh on 6 January entered the Guinness World Records by pouring 32, cubic metres of concrete in 24 hours. The monolithic placement consisted ofsquare feet 20, m 2 of concrete placed in 30 hours, finished to a flatness tolerance of F F The record for the largest continuously placed underwater concrete pour was completed 18 Octoberin New Orleans, Louisiana by contractor C.
The placement consisted of 10, cubic yards of concrete placed in Upon curing, this placement allows the 50,square-foot 4, m 2 cofferdam to be dewatered approximately 26 feet 7. From Wikipedia, the free encyclopedia. Composite construction material. This article is about the construction material. For other uses, see Concrete disambiguation. Not to be confused with cementgroutmortar masonryor plaster.
Main article: Cement. Main article: Construction aggregate. Main article: Reinforced concrete. See also: Volumetric concrete mixer and Concrete mixer. Main article: Concrete slump test. Main article: Types of concrete.
Main article: asphalt concrete. Main article: Pervious concrete. Main article: Polymer concrete. Main article: Waste light concrete. Main article: Properties of concrete.
Main article: Mass concrete. Main article: Decorative concrete. Main article: Prestressed concrete. Main article: Concrete degradation. Main article: Environmental impact of concrete. Main article: Concrete recycling. Anthropic rock — Rock that is made, modified and moved by humans.
Biorock Brutalist architecture — 20th century style of architecture Bunding Cement accelerator Cenocell — Concrete material using fly ash in place of cement Compressometer Concrete canoe Concrete chipping Concrete leveling Concrete mixer — Device that combines cement, aggregate, and water to form concrete Concrete masonry unit — Rectangular block used in construction Concrete moisture meter Concrete plant Concrete recycling Concrete step barrier — Safety barrier used on the central reservation of motorways Concrete sealer Construction — Process of the building or assembling of a building or infrastructure Diamond grinding of pavement — Technique for correcting surface defects Efflorescence Fireproofing — Rendering something structures, materials, etc.
Retrieved 19 February Retrieved 15 June Federal Highway Administration. Fundamentals of building construction : materials and methods Sixth ed. ISBN OCLC Advanced concrete technology. Cement Trust. Archived from the original on 17 September Retrieved 10 January Digital Journal Press release. Latin Lookup. Archived from the original on 12 May Retrieved 1 October Retrieved 27 December New York: Charles Scribner's Sons. Marusin 1 January Concrete International. Archived from the original on 27 November Retrieved 8 January Concrete Vaulted Construction in Imperial Rome.
Innovations in Context. Cambridge University Press. Archived from the original on 1 October Retrieved 26 September Robertson Greek and Intro - Basalt (4) - Basalt (Vinyl ArchitectureCambridge, p. The MasterbuildersNew York, p.
Archived from the original on 27 February Journal of the American Ceramic Society. Bibcode : PNAS. PMC PMID
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