Given the role and importance of short consoles in industrial building structures, to achieve these elements were used the following: concrete class Bc20 (C16/20), having a compression of 7 cm prepared with cement type II AM/32,5 R, and river aggregates (0 / 31) mm. Investigation of de...
A potential alternative that has been poorly explored is optimizing the physical and chemical characteristics of cement to enhance the dosage efficiency for concrete, which can reduce both cement consumption and CO2 emissions. This approach demands an understanding of the potential savings according to ...
从表面上看,G2有助于提高中国的国际影响力,但也会挤压中国的战略空间,逼迫中国不得不将有限的资源由国内建设转向国外。 正在翻译,请等待...[translate] a言い伝わる 说它被传送[translate] aCEMENT CONTENT OF CONCRETE WITH STRENGTH CLASS C25 混凝土水泥内容与力量类C25[translate]...
aCement, fines and other aggregates shall achieve consistent concrete color. 水泥、罚款和其他聚集体将达到一致的具体颜色。 [translate] aSuch precedence is used to obtain the class or type in the event of a tie in the majority voting. 在一条领带情形下这样优先次序在多数人投票,用于得到类或类型...
Being a non-homogeneous material, concrete is vulnerable to various forms of aggressive attack that affects its durability and service life. Inclusion of supplementary cementitious materials such as fly ash, blast furnace slag and silica fume as partial replacement of cement can enhance the durability...
This research is conducted with a view to investigate performance of concrete containing high volumes of ASTM Class C fly ash. A portland cement concrete, proportioned to have 28day compressive strength of 6,000 psi 41 MPa is used in this study. Concrete mixes are also proportioned to have va...
This research elucidates the pozzolanic reaction between FA and calcium hydroxide (CH) during cement hydration, highlighting its contribution to concrete strength and durability. Through a range of comprehensive analysis techniques, including mechanical testing and environmental impact assessment, this study ...
The paper presents an experimental program aimed at assessing the long-term material properties of Portland cement concrete. Based on the obtained results, the following conclusions can be drawn: There is a clear tendency of the values of the mechanical properties increasing with the age of the co...
All of that pales next to their decision in theCemexcase. Thatdecision ordered the cement company to bargain with the Teamsters because its unfair labor practices tainted the election so severely that a fair rerun would be impossible. The ruling offers an path to union recognition without an ele...
This work was performed to evaluate the abrasion resistance of concrete proportioned to have five levels of cement replacements (15, 30, 40, 50, and 70 percent) with one source of Class C fly ash. A reference concrete without fly ash was proportioned to have a 28-day compressive strength ...