Seawater-Mixed Lightweight Aggregate Concretes with Dune Sand, Waste Glass and Nanosilica: Experimental and Life Cycle Analysis

International Journal of Concrete Structures and Materials

Table 3 Composition of lightweight concrete mixes in kg/m³

Mix	Cement	TW	SW	NS*	Liaver 0.5–1 mm	Liaver 1–2 mm	Liaver 2–4 mm	Quartz sand	Waste glass	Dune sand	SP	ST
QTW0	500	200		–	71.8	49.2	51	280	–	–	7.2	0.6
QSW0	500	–	200	–	71.8	49.2	51	280	–	–	8.4	0.6
QTW3	485	185	–	30	71.8	49.2	51	280	–	–	7.5	0.6
QSW3	485	–	185	30	71.8	49.2	51	280	–	–	9	0.3
GTW0	500	200	–	–	71.8	49.2	51	–	268	–	9.5	–
GSW0	500	–	200	–	71.8	49.2	51	–	268	–	10.8	–
GTW3	485	185	–	30	71.8	49.2	51	–	268	–	5	0.7
GSW3	485	–	185	30	71.8	49.2	51	–	268	–	6	0.7
DTW0	500	200	–	–	71.8	49.2	51	–	–	283	6	0.6
DSW0	500	–	200	–	71.8	51	51	–	–	283	6.5	0.5
DTW3	485	200	–	30	71.8	51	51	–	–	283	7.2	0.5
DSW3	485	–	200	30	71.8	51	51	–	–	283	7.5	0.5

TW tap water, SW seawater, NS nanosilica, SP superplasticizer, ST stabilizer
^*nanosilica dispersion (50 wt.%); the water included in the NS dispersion is deducted from the mixing water