Experimental Study on Application Performance of Foamed Concrete Prepared Based on a New Composite Foaming Agent

Table 3

Orthogonal test scheme.

Test number	Volume of foaming solution (mL)	Water-cement ratio	Diatomaceous Earth content (%)	Influencing factor
1–1	40	0.60	1	Volume of foaming solution
1–2	50	0.60	1
1–3	60	0.60	1
1–4	70	0.60	1
1–5	80	0.60	1
1–6	90	0.60	1
1–7	100	0.60	1
2–1	90	0.54	1	Water-cement ratio
2–2	90	0.56	1
2–3	90	0.58	1
2–4	90	0.60	1
2–5	90	0.62	1
2–6	90	0.64	1
2–7	90	0.66	1
3–1	90	0.60	0	Diatomaceous Earth content
3–2	90	0.60	1
3–3	90	0.60	2
3–4	90	0.60	3
3–5	90	0.60	4
3–6	90	0.60	5
3–7	90	0.60	6