Portland cement is the basic ingredient of concrete. Concrete is formed when portland cement creates a paste with water that binds with sand and rock to harden. Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients. Common ...
RETC is proud to present more than 21 technical sessions featuring the leading practitioners in the tunneling industry from across the U.S. The primary focus of the technical program is to add value to the industry through examination of the most innovative practices and products currently in use.
FURUKAWA INDUSTRIAL MACHINERY SYSTEMS CO,. LTD. At first, our company moved into and started to operate industrial machinery businesses centered around our technology and skill, which we have accumulated over many years through the activities of our machinery business.
OUR EQUIPMENT SYSTEMS. Akkerman develops, manufactures and supports powerful and versatile guided boring, microtunneling, pipe jacking, tunneling and earth pressure balance underground construction solutions that accurately install 4-inch through 14-foot pipe diameters for a broad range of ground conditions and project challenges.