CEMENT CONCRETE, SPRAYING MATERIAL AND SPRAYING METHOD USING THE SAME

• Main Authors: ARAKI AKITOSHI, TERAJIMA ISAO, ISHIDA TSUMORU
• Format: Patent
• Language: English
• Published: 08.03.2002
• Edition: 7
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; EARTH DRILLING; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; GALLERIES; HYDRAULIC ENGINEERING; LARGE UNDERGROUND CHAMBERS; LIME, MAGNESIA; METALLURGY; MINING; REFRACTORIES; SHAFTS; SLAG; SOIL SHIFTING; TREATMENT OF NATURAL STONE; TUNNELS; UNDERGROUND OR UNDERWATER STRUCTURES

PROBLEM TO BE SOLVED: To provide a cement concrete and a spraying material capable of reducing the amount of dust generated and the amount of a quick setting agent used and free of harmful effects such as the increase in rebound rate and the lowering of initial strength exhibiting property even when...