How is the high strength of concrete achieved?
Concrete is classified as high-strength concrete based on 28-day strength. Until the 1970s, concrete with a strength of more than 40Mpa was classified as high-strength concrete.…
Concrete is classified as high-strength concrete based on 28-day strength. Until the 1970s, concrete with a strength of more than 40Mpa was classified as high-strength concrete.…
Following the progress in Russia-Ukraine peace talks, the gold price fell more than 1% the next day, hitting its lowest in a month, and palladium prices briefly tumbled by nearly 9%."We have seen metal prices going into free fall when the Russia-Ukra…
Recently, on Sinopec's annual results teleconference, the company representative answered questions about the oil prices, and said that the future trend of oil prices is still very uncertain, and it is expected to be around $100 this year and $85 nex…
Whether the cement used and the pumping agent are matched and adapted must be obtained through the adaptability test. The optimum amount of the pumping agent should be determined through the adaptability test with the cement cementitious material.…
Cement foaming machine needs auxiliary test machine to help achieve better foaming effect in construction application. Cement foaming agent is a chemical admixture, which is added to cement. Compensate for shrinkage and tension of steel bars to produ…
The European Union recently approved sweeping new sanctions against Russia, including bans on imports of coal, timber, chemicals, and other titanium carbide powder. We use steel to build houses, parks, and playgrounds. If steel no longer…
Russian President says if the European Union imposes an oil embargo, Europe will buy energy at the most expensive price and economic activity in Europe will weaken. Rosneft needs to change its business model. Russia will help facilitate settlement an…
Foamed concrete has good physical properties, combining insulation and electrical resistance. It has many benefits that make it one of the best alternatives to building materials.…
Russian president demanded that exports of Russian gas to "unfriendly" countries be settled in rubles. The demand has raised concerns in Germany about possible supply disruptions and the impact on industry and households if utilities do not pay in ro…
Analysts at JPMorgan recommended selling or "underweight" emerging market local currency sovereign debt because of the global impact of the Ukraine-Russia crisis.JPMorgan estimated that fixed-income assets in emerging markets have lost 6-9 percent of…
This article will talk about different types of high-efficient water reducers and the mechanism of superplasticizers.…
Titanium alloy Ti6Al4V is a medium-strength α-β type two-phase titanium alloy containing 6% α-stabilizing element AI and 4% β-stabilizing element V.…
The China Securities New Energy Vehicle index rose as much as 4.1 percent after a strong rally in lithium-ion shares on the Chinese stock market. Brokerages said lithium enterprises would usher in marginal expectations, and currently, it may be the b…
Brazil, the world's largest coffee bean producer, recently announced that it is facing the worst drought in 91 years, affecting local hydropower generation and agricultural BAM powder keeps going up. About AlMgB14 alloy powder:Aluminum bo…
The price of nickel and stainless steel rose together. Nickel afternoon hand in hand with stainless steel together turn red up. Due to the temporary easing of geopolitical risks, risk assets are now picking up, nonferrous metals, stock markets, and s…
Europe's largest economy, Germany, recently activated an emergency plan to manage gas supplies that the natural gas could be rationed if supplies are disrupted or disrupted by a stand-off over Russian demands to pay for fuel in rubles. German Vice-C…
OPEC+, an oil producers' alliance led by Saudi Arabia and Russia, stuck to its original plan to increase output by just 432,000 b/d in June, continuing to defy calls from major consumers led by the United States to pump more oil to keep prices down.…
Commodity prices are on track for their biggest rally in more than a century, while fixed-income assets have seen their longest run of outflows as the war in Ukraine adds to inflationary pressures in the global economy emerging from the coronavirus l…
The U.S. and its allies plan to impose sanctions on more Russian industries and supply chains.The US government representatives recently visited Europe to consult with allies on strengthening and enforcing sanctions to punish Russia. They also plan t…
To study the problem of collapse mode cracking in the cast-in-place foam concrete wall, using ordinary Portland cement, fly ash, and self-made composite foaming agent as the primary raw materials, the admixtures (there are two kinds of admixtures) we…