Gravel And Crushed Stone (hs: 2517) Product Trade
Jan 20, 2021 How Much Gravel do I Need – Concrete is a mixture of sand, gravel, cement, and water. When wet, it can be formed in different ways. When it hardens or sets, it becomes like rock. It is used to bond bricks or stones, or to make walls, walkways, and sidewalks.Aug 09, 2015 stone of the central island and the concrete paving, Only one strip of a good 1m in width was 30 cm continuous crushed stone foundation, type II B 20 cm sand for sub foundation type I The longitudinal reinforcement ∅ 16 was placed every 10 cm, in view of the thickness of the paving.