It depends on what you are mixing for. The ratio would vary for specific applications.
An Average of 2400 kg, with a ratio of 1:3 Cement and Sand
The recommended sand and cement mix ratio for a strong and durable concrete foundation is typically 1 part cement to 3 parts sand. This ratio helps ensure the concrete is strong and able to support the weight of the structure above.
The type of sand is also important. The right ratio for a mixture of cement and sand is 1:5 to 1:6
The ratio of sand and cement affects the tensile strength of the concrete. Hence, a ratio of 1:2 (cement to sand) will yield a greater tensile strength than a 1:3 ratio. However, both are acceptable in the formation of concrete.
The ideal ratio for a sand and cement mix for a strong and durable concrete foundation is typically 3 parts sand to 1 part cement.
7 Parts sand to 1 Part portland cement
1:5 (cement:sand) is the best ratio
The ideal ratio for a cement-sand mix to achieve optimal strength in a construction project is typically 1 part cement to 3 parts sand.
Sand and gravel together
sand=2*Weight of Cement water=cement/2
The ideal cement and sand mix ratio for optimal strength in a concrete mixture is typically 1 part cement to 3 parts sand. This ratio helps ensure a strong and durable concrete mix.
The recommended sand to cement ratio for optimal strength in a concrete mix is typically 2:1. This means using two parts sand for every one part of cement.