Jianzhuang Xiao is a professor of recycled concrete materials and structures at Tongji University, Shanghai, China, and a vice-president at Guangxi University, Nanning, China. Zongjin Li is a ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...

At its core, concrete construction hasn’t changed much. If you excavate deep enough to the core of the work, there isn’t much of a difference between the concrete contractors do today versus what was ...