This e-bike is built around a step-through frame and 20-inch wheels with fat tires and a powerful 750 W motor from Bafang; it ...

How Raleigh-Durham International Airport replaces crumbling concrete at night in time for big planes to use it the next day.

The problem with that approach is that minor issues rarely stay minor; they grow quietly in... The post 16 Home Fixes That ...

Each fall, RDU shuts its main runway overnight to replace deteriorating concrete. Contractors have only a few hours to dig up old concrete and pour the new. Airport has spent $30M on runway rehab so ...

Companies doing business with the United Nations are required to accept and comply with the UN Supplier Code of Conduct. The Code of Conduct informs Vendors of the following: - that they are excpected ...

Abstract: V-type leg hydraulic system of truck mounted concrete pump has been widely used to guarantee its safety and stability during pumping progress. In order to find out the working performance of ...

This study presents a numerical investigation into the behaviour of short concrete filled steel tubular (CFST) columns. Three Dimensional Nonlinear finite element analysis of the compression process ...

A bird's-eye view of the under-construction bridge that will connect Shenzhen and Zhongshan in Guangdong province. ZHOU HONGSHENG/HU LEI/FOR CHINA DAILY The Shenzhen-Zhongshan bridge, a 24-kilometer ...