DIY Builds
DIY Builds
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PFC is an ultra-high-strength concrete whose properties can be further enhanced by incorporating steel fibers. The way in which PFC is prepared leads to very few voids in the final material, which gives it its high strength — 400 MPa can be applied to PFC before it fails, compared with 20-30 MPa for standard concrete.
Table saws perform larger and longer cuts than miter saws. They help cut down larger materials, too. While miter saws sometimes come with...
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A basement garage or tuck under garage is exactly what it sounds like: a garage that is fully or partially under the upper level of a house....
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A research team including Kanazawa University tests the impact response of the world’s hardest concrete. Concrete is the most widely used building material in the world and consequently is being continuously developed to fulfill modern-day requirements. Efforts to improve concrete strength have led to reports of porosity-free concrete (PFC), the hardest concrete tested to date. Some of the basic properties of PFC have already been explored, and now a team including Kanazawa University has probed the impact response of this innovative material. Their findings are published in International Journal of Civil Engineering. Ultra-high-strength concrete offers significant advantages including reducing the weight of large structures and protecting them against natural disasters and accidental impacts. PFC is an ultra-high-strength concrete whose properties can be further enhanced by incorporating steel fibers. The way in which PFC is prepared leads to very few voids in the final material, which gives it its high strength — 400 MPa can be applied to PFC before it fails, compared with 20-30 MPa for standard concrete. Some of the basic material properties of steel fiber-reinforced PFC have already been reported; now the researchers have evaluated the impact response of a range of PFC preparations with different steel fiber contents and section heights. “The continued development of building materials is particularly important in areas where frequent natural disasters threaten the integrity of structures,” study lead author Yusuke Kurihashi explains. “We carried out impact tests on a variety of steel fiber-reinforced PFC samples to determine their reactions, and in so doing, accelerate the widespread application of PFC in building projects. Our testing is designed to simulate responses to events such as rock falls, blasts and flying objects.” The researchers made two key findings. Firstly, they observed that increasing the steel fiber content from 1% to 2% reduced the damage due to the impact by 30%-50%. This significant improvement in performance is expected to inform future material design decisions. In addition, they showed that it was possible to predict the behavior of the samples with approximately 80% accuracy by comparing calculated values with those that were measured, which will help to streamline development processes. “We hope that PFC will contribute to enhanced building safety in the future,” says Dr. Kurihashi. “Although additional experimental work and statistical processing is required to fully translate PFC into widespread practical applications, our findings make a significant contribution to understanding PFC’s role in improving the safety of many large structures including high-rise buildings, bridges, and roads.” Reference: “Response Characteristics of a Steel Fiber-Reinforced Porosity-Free Concrete Beam Under an Impact Load” by Yusuke Kurihashi, Katsuya Kono and Masato Komuro, 4 February 2020, International Journal of Civil Engineering.
In general, the price for a 12×20 shed ranges from about $5,000 to $16,000+, depending on the size, style, the number of add-ons, and other...
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Skids. By far, the easiest and cheapest shed bases you can install are skids. They support your building at a cheap price and successfully prevent...
Read More »A 12×12 wooden shed will weigh around 2500 pounds. A 12×12 metal shed will weigh more than 700 pounds.
– It is important to have enough skills to be able to build quality and long-lasting sheds. It requires careful attention to detail to build it well and efficiently. Many small first-timer mistakes are expected if you are a beginner. These include mistakes around cutting, leveling, roofing, and installing doors and windows. If you have veteran-building skills, then it feels reasonable to build your own. – Is your schedule already full with other things? Or do you have a lot of family activities to do during the weekends? Then, it may be practical to hire someone to build it for you or purchase it from local shed builders. That way, you can get a shed right away at an affordable price. Keep in mind that time is money.
Battery based heaters, or hand warmers, are a great portable option for sporting events, camping, or being outdoors during cold weather. The...
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According to experts, house wrap isn't actually necessary for sheds but if you want to protect its interior and contents from the heat, cold, dust...
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Electrical materials will cost around $150 to run a line from your house to a shed 50 feet away. But unless you have this specific skill set,...
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Pallet wood projects are a great way to make something from scrap wood that you can sell online, at craft fairs, or at local flea markets. If...
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