Core-Shell Lightweight Aggregate

3× strength efficiency

A dense shell enclosing a porous core achieves nearly three times the strength efficiency of common lightweight aggregates at a lower bulk density, combining lightness with high strength.

Zou, Shuai · Lu, Jianxin · Xiao, Jianzhuang · Duan, Zhenhua · Chung, Kong Chau · Lung Sham, Man · Sun Poon, Chi

Construction and Building Materials 2023

Specifications

破碎强度

{'zh': '6.93', 'en': ''} MPa

堆积密度

{'zh': '834', 'en': ''} kg/m³

强度效率

{'zh': '8,309', 'en': ''} Pa·m³/kg

Advantages

About 3 times higher strength efficiency than commercial LWAs