sand asphalt

It researches mechanical property of emulsion asphalt modified cement sand pulp, then analyzes its experimental result, it indicates mechanical property of emulsion asphalt modified cement sand pulp has large improvement comparing with common cement sand pulp.

研究了乳化沥青改性水泥砂浆的力学性能试验，并对其试验结果作了分析，表明了乳化沥青改性水泥砂浆比普通水泥砂浆的力学性能有了较大的改善。

Experimental research on mechanical property of emulsion asphalt modified cement sand pulp

乳化沥青改性水泥砂浆力学性能试验研究

Sand blasting is also more efficient at removing loose asphalt fragments from the crack.

喷砂,也是更有效的消除松散的沥青碎片从裂缝.

The workers mixed the asphalt with sand and gravel together.

工人们把沥青和沙子、石块混合在一起.

Cement and emulsified asphalt mortar ( CA mortar), which consists of cement, emulsified asphalt, sand, water and other admixtures, is one of the key materials of the slab ballastless track structure.

水泥乳化沥青砂浆（简称CA砂浆）是板式无砟轨道结构中的关键材料之一，由水泥、乳化沥青、砂、添加剂和水等组成，经搅拌、灌注形成砂浆充填层。