This working site is open-pit mining,located in Johannesburg,South Africa.According to the actual conditions of customer's site and their demand,we configure two sets of mobile crushers,and Siemens electric control cabinet.After a few days commissioning the equipment run stable and the final products meet customer's demand.Our customer is quite satisfied.

Processing type: | Excavator->Feeder->Primary Jaw Crusher->Screening->Secondary HP Cone Crusher |
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Processing material: | Manganese ore(40% grade) | Primary feeding size: | 720mm |
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Mining scheme: | Open-pit | Finished product size: | -40mm |

Capacity: | 200-250MTPH | Market: | China |

Mode of transport: | Train->Shipping |
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Supply Scope: | Primary mobile jaw crushing station:GZD1300*4900,Jaw Crusher PEW860 Secondary mobile cone crushing & screening station:HPT300,Vibrating Screen 3YZS1860 SIEMENS electric control cabinet Belt conveyor |

### How to calculate the water-cement ratio for concrete

First of all, what is Water Cement Ratio??. Waterc ement ratio is the ratio of weight of water to the weight of cement. It's normal value lies between 0.4 to 0.6 as per IS code 10262 (2009) for nominal mixes.. Concrete is a macro content and contains cement, sand, coarse aggregate, fine aggregate and water.

### Civil Work - CONCRETE GRADE: M5 = 1:4:8 M10= 1:3:6 .

concrete grade: m5 = 1:4:8 m10= 1:3:6 m15= 1:2:4 m20= 1:1.5:3 m25= 1:1:2 clear cover to main reinforcement: 1.footings : 50 mm 2.raft foundation.top : 50 mm

### Water-to-Cement Ratio and Aggregate Moisture Corrections

Concrete is designed to withstand a certain maximum load per area before failing, known as compressive strength A number of factors influence the concrete's ability to withstand the force from an applied load, such as the size, type, quantity and gradation of aggregates, the type and quantity of cement and/or supplementary cementitious .

### How to calculate materials for different-ratio concrete .

That means, Cement content for 100 unit of 1:1.5:3 ratio concrete is 28% (unit will be as concrete unit), Sand is 42% and Stone chips is 84%. Now lets calculate the water content of concrete. Suppose, water-cement ratio for concrete is specified 0.45. That means, water/cement = 0.45, or W/C = 0.45.

### Period Formulas for Moment-Resisting Frame .

building codes provide empirical formulas that depend on the building material [steel, reinforced concrete (RC), etc.], build ing type (frame.

### Chapter 8 Design of Concrete Mixes

8.1.2 Water content • The water content expressed as mass per unit volume of concrete. • It is the major factor influencing the workability

### Mix Design For Concrete Roads As Per IRC-15-2002

It may be noted that, for the fly ash concrete the total cementation material is greater but the OP cement content is smaller, the coarse aggregate content is deliberately, the same, the water is reduced and the density is reduced, because of the lower density of fly ash compared with OPC.

### Raw Material Calculator for Construction – Jklakshmi

Raw Material Calculator for Construction Calculate the approximate quantity of construction material required for a single storey load bearing building.* Enter Area

### Design of Reinforced Concrete Structures ECIV .

Design of Reinforced Concrete Structures ECIV 3016 LECTURE3: dead load calculation Second Term 2012 Calculation of Slab Thickness. Calculation of .

### 1.5 Concrete (Part I) - NPTEL

The sampling and strength test of concrete are as per Section 15 of IS:1343 - 1980. The grades of concrete are explained in Table 1 of the Code. The minimum grades of concrete for prestressed applications are as follows.

### What is the procedure to calculate cement bags in 1 .

The cement content for different grades of concrete is different. 1 bag of cement is equal to 50 kg. After finding out the cement content in kg per cubic metre, divide the cement content by to get the required number of bags.

### formulas for calculation of mix design for m20concrete

Formula For Calculation Of Cement Content As Per Is Code Weight, Yield, Air Content of Concrete AIR CONTENT (GRAVIMETRIC) OF CONCRETE, also provides formulas for calculating the volume of concrete produced from a .

### Designing and Proportioning Normal Concrete .

by the quantity of mixing water used per unit of cement or cementing materials (Abrams 1918). The strength of the cementitious paste binder in concrete depends on the quality and quantity of the reacting paste components and on the degree to which the hydration reaction has progressed. Concrete becomes stronger with time as long as there is .

### EXCAVATION AND BACKFILL FOR STRUCTURES

If lean concrete is used, provide concrete with at least 275 lb. of cement per cubic yard, and place to a minimum depth of 3 in. Stabilizing material placed for the convenience of the Contractor will be at the Contractor's

### What is the procedure to calculate cement bags in 1 .

The cement content for different grades of concrete is different. 1 bag of cement is equal to 50 kg. After finding out the cement content in kg per cubic metre, divide the cement content by to get the required number of bags.

### 3/8 Jomts 100 Square Feet of Brick Wall wall .

3/8" Jomts 100 Square Feet of Brick Wall wall Materials Required For Brick Constmction Runnmg Bond 1 Masonry Cement Mortar my 1000 Brick wall

### Modulus Of Elasticity Of Concrete - Civil Engineering

The modulus of elasticity of concrete E c adopted in modified form by the ACI Code can be calculated by the formula given below:

### Formula for Determining Footing Spacing and Size .

Formula for Determining Footing Spacing and Size Example Home weight per square foot (#) 30 p.s.f. roof live load + 40 p.s.f floor live load + 25 ps.f. total dead load

### f]~j I~ORTLAND CEMENT ASSOCIATION

Soil-cement is a mixture of pulverized soil material and meas ured amounts of portland cement and water, compacted to high density. As the cement .

### CIP 8 - Discrepancies in Yield

The basis for calculating the volume is described in the ASTM C 94, Specification for Ready Mixed Con-crete. The volume of freshly mixed and unhardened concrete in a given batch is determined by dividing the total weight of the materials by the average unit weight or density of the concrete determined in accordance with ASTM C 138. Three .

### How to calculate materials for different-ratio concrete .

That means, Cement content for 100 unit of 1:1.5:3 ratio concrete is 28% (unit will be as concrete unit), Sand is 42% and Stone chips is 84%. Now lets calculate the water content of concrete. Suppose, water-cement ratio for concrete is specified 0.45. That means, water/cement = 0.45, or W/C = 0.45.

### MINIMUM AND MAXMUM CEMENT CONTENT .

voids. A cement content of 400 kg/m3 and water-cement ratio of 0.45 will result in paste volume being 30 percent which may be suitable for the

### Standard Test Method for Density (Unit Weight), Yield.

1.1 This test method covers determination of the density (see Note 1) of freshly mixed concrete and gives formulas for calculating the yield, cement content, and air content of the concrete.Yield is defined as the volume of concrete produced from a mixture of known quantities of the component materials.

### Concrete - Water to Cement Ratios - Engineering ToolBox

Water to cement ratio is the ratio of. weight of water to the weight of cement. used in a concrete mix and can be expressed as. r = w h20 / w c = 8.33 q H20 / w c (1). where . r = water to cement ratio

### Formula For Calculation Of Cement Content As Per Is Code

Formula For Calculation Of Cement Content As Per Is Code CE Blog: Concrete Mixed Design Method (BS Method) 1 Oct 2011 If the calculated cement content from equation 3 is below a specified to produce 3 numbers of cube and to .

### IS-10262-2009-CONCRETE MIX DESIGN - INDIAN STANDARD METHOD .

From the water cement ratio and the quantity of water per unit volume of cement, calculate the amount of cementious material. After calculating the quantity of cementious material, compare it with the values given in the table shown in Step-4. The greater of the two values is then adopted.

### Concrete Calculator

Calculate concrete volume and cost of concrete slabs, footers, walls, columns, steps, curbs and gutters in cubic feet, cubic yards and cubic meters. Calculate for quantity of items to fill for a total project need of cement in cubic feet and cubic yards. Yardage of concrete.

### how we calculate of Sand, cement and aggregate of .

To calculate proportion of cement, sand, coarse agrregate and water, It required to do mix design & for this initially it is requird to find out the properties of all ingradients used for preparing concrete.

### whats the formula for mixing concrete usin potland sand .

Feb 09, 2006 · From table 4, for 20 mm nominal maximum size aggregate and sand conforming to grade II, water content per meter of concrete = 186 kg and sand content as percentage of total aggregate by absolute volume = 35 %.

### CHAPTER 3 ACI CONCRETE MIX DESIGN AND .

varies according to the alkali content of the cement and the type of mineral admixture selected for the concrete mix. Blended cements such as IP or IS already have mineral Blended cements such as IP or IS already have mineral

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