公开(公告)号：US4218260A

公开(公告)日：1980-08-19

申请号：US1258

申请日：1979-01-05

申请人： Heinrich Metzler

发明人： Heinrich Metzler

IPC分类号： C04B14/22 ,  C04B41/53 ,  E01F9/04 ,  E01F9/06 ,  C04B7/08 ,  C04B7/10

CPC分类号： B28B11/0872 ,  C04B14/22 ,  C04B41/5323 ,  E01F9/506 ,  E01F9/553

摘要： In a road surface and a process for making same, a top layer of reflex reflective concrete in slab or cylindrical form is made of a mixture of white Portland cement, particulate white quartz filler material, colorless crystal balls and titanium dioxide pigment. The quartz filler is a trigonal trapezohedrical .beta.-quartz powder having a refractive index of 1.55 and a particle size less than the glass ball diameters, the latter being from 0.2 to 0.6 mm. The glass balls constitute from 50 to 70% of the mixture and are arranged within the top layer of concrete in successive layers with those balls closest to the impact surface of the top layer being half exposed to intercept light from car headlamps.

摘要翻译： 在道路表面及其制造方法中，板状或圆柱形的反射反射混凝土顶层由白色波特兰水泥，颗粒状白色石英填料，无色结晶球和二氧化钛颜料的混合物制成。 石英填料是折射率为1.55，粒径小于玻璃球直径的三角型梯形β-石英粉，后者为0.2至0.6mm。 玻璃球构成混合物的50％至70％，并且以连续的层布置在混凝土的顶层内，其中最靠近顶层的冲击表面的那些球半暴露以拦截来自汽车前照灯的光。