How much cement is 1 cubic meter of ordinary concrete

<> concrete, abbreviated as "concrete (tóng)": refers to the general term for engineering composite materials that cement aggregates into a whole by cementitious materials. The word concrete usually refers to the use of cement as cementitious material, sand and stone as aggregates; Cement concrete, also known as ordinary concrete, is widely used in civil engineering engineering when it is mixed with water (which can contain admixtures and admixtures) in a certain proportion and is mixed to obtain cement concrete.

Inorganic cementitious materials such as cement, lime, gypsum and other materials are mixed with water to make the concrete mixture plastic; In turn, the strength is produced by condensation and hardening through chemical and physicochemical actions. Generally speaking, drinking water can meet the requirements of water for concrete mixing. Excess acids, alkalis, salts, and organic matter in water can all have harmful effects on concrete.

Aggregate not only has a filling effect, but also has an important impact on the bulk density, strength and deformation properties of concrete.

To improve some properties of concrete, admixtures can be added. Due to the obvious technical and economic effects of admixtures, it has increasingly become an indispensable component of concrete. In order to improve the workability of the concrete mixture or the performance of the hardened concrete, save the cement, the finely ground mineral material admixture can also be incorporated when the concrete is mixed.

It is divided into two categories: active and inactive. The nature and quantity of admixture affect the strength, deformation, heat of hydration, impermeability and color of concrete.

Not necessarily, generally more than 300 kilograms, specifically according to the number of the structure, and the minimum amount of cement is stipulated in the national specification.

Concrete is the most commonly used building ruler material in civil engineering, it is made of cement, sand, stone in proportion to mix, we often need to use concrete to build houses, so how much cement will we use to make a cubic of concrete? Next, I will briefly introduce it to you.

1. How much cement is used for 1 cubic concrete.

1. According to the experts of Qeeka Home, the cement used in 1 cubic concrete is not fixed, because the concrete ratio of different grades is different, and the amount of cement used is also different.

For example, we use cement with a strength grade of C20, and the cement required per cubic meter is 350kg, 185kg of water, 690kg of sand, and 1160kg of stone. The concrete strength grade is C30, and the cement required per cubic meter is 450kg, water is 183kg, sand is 600kg, and stone is 1192kg.

2. The strength of the cement grades we use is different, even if the concrete strength grade is the same, the amount of cement used will be different. For example, if the strength of concrete is C25 and 325 cement is used, the cement required per cubic meter is 400kg, water is 185kg, sand is 650kg, and stone is 1180kg; If 425 cement is used, the amount of cement required per cubic meter is 340kg, water is 185kg, sand is 800kg, and stone is 1045kg.

3. Concrete is a commonly used building material, which is made of cement, sand, stone and water mixed and mixed in a certain proportion. According to the strength of concrete, it can be divided into 14 levels, such as C15, C20, C25, C35, C50, C60, etc., and in general, C20 and C25 grade concrete are used for ordinary reinforced concrete structures such as stairs and beams and columns; C15 grade concrete is used in floors, cushions and structures with little stress, etc. The strength of concrete used in rural construction is mostly between C15-C30.

1. According to the different strength grades of 1 cubic concrete, all cement strengths are different, and the amount of cement required is also different.

One side of concrete requires 270 kg of cement.

If it is 1 cubic meter of concrete, 1 cubic meter of concrete is about equal to a ton. A cubic meter of concrete needs to be wrapped with cement, cubic meters of yellow sand, cubic meters of stones and cubic meters of water. One cubic of concrete requires 270 kilograms of cement, 700 kilograms of yellow sand and lead, 1,326 kilograms of stones and 192 kilograms of water.

1 cubic meter of concrete raw material = 270 + 700 + 1326 + 192 = 2488 (kg) cement is 50 kg 1 bag, so cement needs 27050 = bag; Slump.

The size is different, and the sand moisture content.

Factors such as the particle size level of the gravel also affect the mix ratio of concrete.

The density of concrete will vary depending on the mix ratio, if the cement is selected, the cement quality will be reduced, the quality of water will be reduced, and the amount of sand and gravel will be increased a little. Therefore, the density of concrete is closely related to what kind of raw materials are selected. The collapse degree of concrete is different, and it will also have an impact on the density of concrete, and the large degree of collapse increases with cement and water, and the amount of sand and gravel also changes.

Composition of cement:

1. Ordinary Portland cement.

The main components are limestone, clay, and iron ore powder. It is made of limestone, clay, iron ore powder in proportion to grind and mix, at this time the mixture is called raw meal. It is then calcined at a general temperature.

At about 1450 degrees, the calcined product is called clinker. Then the clinker and gypsum are ground together and mixed in proportion to be called cement.

2. The main components of Portland cement mixed with mixed materials are limestone, clay, iron ore powder and mixed materials.

It is to add other substances to ordinary Portland cement in proportion and certain processing procedures to achieve special effects, such as slag cement, porosyl Portland cement, fly ash Portland cement, composite Portland cement and so on. The raw materials of these cements are more active mixed materials or non-reactive mixed materials than the original ordinary Portland cement.

3. The main components of special cement are limestone and other components. It's just that there are some differences in the material stage and manufacturing process, for example, the material of high-alumina cement (aluminate cement) is bauxite.

The lime chapel is calcined to obtain clinker, and then ground into aluminate cement.

1 cubic concrete is offered with 480 kg of cement, 720 kg of sand and 1200 kg of stone.

The mass of 1 cubic meter of concrete is about 2400 kg. 1 cubic meter of concrete is calculated as 2400 kg:

Cement mass = 2400 2 (2 + 3 + 5) = 480 (kg);

sand mass = 2400 3 (2 + 3 + 5) = 720 (kg);

Stone mass = 2400 5 (2+3+5) = 1200 (kg).

A cube of concrete is about.

Under normal circumstances, a cubic meter of concrete needs about 5 8 bags of cement, that is, about 250 kg and 400 kg, specifically related to the use, location, strength requirements, gravel particle size, cement number and many other factors.

Cast-in-place concrete columns and precast concrete beams: The precast floor slabs are placed on the precast beams, and the reinforcements are laid on the surface of the beams and floors, the core of the beam-column nodes and the columns of the lower layer, and finally the concrete is poured. This practice greatly reduces the work of the on-site formwork, but the longitudinal reinforcement of the beam bottom is extended.

The anchoring construction in the node part is more difficult, so the size of the column is slightly larger than that of the beam.

The precast concrete structure has the following characteristics:

1) Industrial production, high industrial labor production efficiency, stable production environment, the finalization and standardization of components are conducive to mechanized production, and strict inspection of factory products according to standards, so the quality assurance rate is high.

2) The construction party is tolerant and convenient, there are few formwork and cast-in-place concrete operations, and the prefabricated floor slabs do not need to be supported, and the floor slabs are superimposed.

There are few templates. The use of prefabricated and semi-prefabricated forms is extremely fast, and the on-site wet work is greatly reduced, which is conducive to environmental protection and reduces construction disturbances.

3) The construction speed is fast, and the impact on the surrounding life and work is small. Especially in the construction of downtown areas, such as department stores, downtown parking lots, overpasses, etc., the construction period is tight, the construction civilization requirements are high, and the use of precast concrete structures can often get satisfactory results.

The above content reference: Encyclopedia - precast concrete.

About five to eight bags, how many bags are needed, generally need to look at the cement number, concrete use, concrete strength, etc. If the stool is used in the civil construction guess balance, and it is mixed by manual means, and the concrete grade is graded, it will take about seven bales.

Summary. Hello, I'm glad to answer for you, the cement in the 1 square concrete is also not the same with a mix ratio, not sure how heavy. Ordinary Portland cement tons cubic meters.

Slag Portland cement tons cubic meters. If it is ordinary reinforced concrete, it is tons of cubic meters.

Hello, I'm glad to answer for you, the cement in the 1 square concrete is also not the same with a mix ratio, not sure how heavy. Ordinary Portland cement is transported to tons of cubic meters. Tons of Portland cement in slag clusters.

If it is ordinary steel seeping concrete, it is tons of cubic meters.

How much cement does a cubic concrete need, and the amount of cement required for different concrete is not the same, for example: 1 cubic C20 concrete, 300 kg of cement is required to be made. 180 kg of water, 690 kg of sieves and 1260 kg of stones are required.

If C25 concrete is used, about 372 kg of cement, 576 kg of sand, and 1282 kg of gravel are needed. Clan Mega Spine.