### Shear Strength of Reinforced Recycled Aggregate Concrete

Dec 18, 2020This paper is related to a laboratory program for the shear strength of reinforced concrete corbels (RCC) cast with or without recycled aggregate (RA) by investigating the main parameters affecting the corbels behavior including the replacement aggregate recycling ratio, ifcu/i, and shear span to effective depth ratio a/d. Eight specimens were cast and tested. The obtained results were

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DISCOVER RCC CONCRETE CORPORATION. Concrete Contracting since 1980. We are a leading Concrete Contractor having served the greater New York Metropolitan Area since 1980. We have experience tackling a wide range of projects including building high rise buildings, complex building renovations, and any general concrete need imaginable.

Get Price### How much load can a concrete slab support?

Apr 15, 2020The Weight of a Slab with Rebar Calculator computes the weight of rebar in the rectangular slab, and removes the weight of the displaced concrete to provide the best estimate. The Math / Science TW = Total Weight of slab. L = Length of slab. W = Width of Slab. Unit weight/density of RCC is 2500 kg/m3. And unit weight of pcc is 2400 kg/m3.

Get Price### Specification for the Manufacture of Concrete Poles

aggregate, weight of added water, results of tests made to determine the water contained in the aggregate, the results of any strength tests and the location of concrete in the works. These records shall be made available to the Superintendent. The proportions of aggregate and cement for any concrete shall be such as to produce a mix which

Get Price### Full Beam Design Example

f M n = -251 kip-ft f M n = 162 kip-ft Midspan 6 #5s 2 #7s Support 5 #7s 2 #5s Figure 1: Reinforcing layout at the support and at midspan. Reading from the chart gives: ρ

Get Price### Which one is the best for RCC concrete, M

Nov 15, 2020Which one is the best for RCC concrete, M-sand or river sand? November 15, 2020 ReadCivil 0 Comments At this point, the debate is evenly poised with the freshers supporting "M.Sand" and the experienced professing "River Sand".

Get Price### How To Calculate Weight Of Concrete Slab

Self weight of RCC slab = 150 x 0.5 = 75 lb/ft 2. If it is required to calculate the total weight of the slab, then area of the slab should be measured first. Suppose, total area of the slab = 200 square feet. So, total self weight of the slab = self weight x total area of the slab = 75 x 200 = 15000 lb/ft 2. To get more detail, go through the

Get Price### Introduction / Design Criteria for Reinforced Concrete

1.054/1.541 Mechanics and Design of Concrete Structures Spring 2004 Prof. Oral Buyukozturk Outline 1 1 / 7 Massachusetts Institute of Technology 1.054/1.541 Mechanics and Design of Concrete Structures (3-0-9) Outline 1 Introduction / Design Criteria for Reinforced Concrete Structures Structural design o Definition of design:

Get Price### Importance of using roller compacted concrete in techno

Jul 25, 2017Analysis of deformations showed that the average foundation deformations was between (0.052–0.85) m for earth dam and (0.023–0.373) m for RCC dam. These economical and technical considerations open up important prospects for the use of RCC in the design of small dams.

Get Price### CONCRETE MIX DESIGN OF M25 GRADE

CONCRETE MIX DESIGN OF M25 GRADE – AS PER IS 10262:2019. Spread the love. 1.STIPULATIONS FOR PROPORTIONING. a) Grade designation : M 25 RCC. b) Type of cement : 43 grade Ordinary Portland Cement conforming IS 8112. c) Maximum nominal size of coarse aggregate : 20 mm. d) Minimum amount of cement : 300 kg/m as per IS 456.

Get Price### Reinforced concrete from m3 to kg and tons

Reinforced concrete from m3 to kg and tons – online weight calculator (mass) Enter the density of reinforced concrete in kg / m3 (average density – 2500 kg / m 3 ): Enter the volume of reinforced concrete in m3: The weight of reinforced concrete of a given volume and density is: 2500.00 kg. 2.50 ton. Or enter the size of the reinforced

Get Price### CEMENT CONCRETE MIX DESIGN

IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, M20, M25, M30, M35 and M40. In this designation the letter M refers to the mix and the number to the specified 28 day cube strength of mix in N/mm2. The mixes of grades M10, M15, M20 and M25 correspond approximately to the mix proportions

Get Price### Specifications of rcc foundation

Aug 25, 2016Specifications of rcc foundation The proportions of the mix shall be determined by weight. Adjustment of aggregate proportions due to moisture present in the aggregate shall be made. (N/mm2) Ordinary concrete M 10 10 M 15 15 M 20 20 Standard Concrete M 25 25 M 30 30 M 35 35 M 40 40 M 45 45 M 50 50 M 55 55 High strength concrete M 60 60

Get Price### Cement Mortar

Jul 09, 2019The plasticized concrete improves the desirable quality of plastic concrete and naturally increases the strength of concrete. Plasticisers are generally used in the amount of 0.1% to 0.4% by weight of cement which results in 5% to 15% reduction in mixing water.

Get Price### COMPARATIVE STUDY ON BEHAVIOUR OF RCC AND STEEL

frame members including the self weight during 14 Concrete grade M 30 15 Rebar Grade Fe 415 16 2Dead load on slab 1 kN/m 17 2Live load on slab 3 kN/m RCC, Steel Concrete Composite with Encased Column and rete with Filled tubes. In India, IS 1893 (PART-

Get Price### TYPES OF FOUNDATIONS

(M.E. Haque) 23 EXAMPLE 1: A reinforced concrete footing (Fig 1) supports a 12"x12" column reaction P=100 kips at the top of footing. Based on the soil test, allowable bearing capacity of soil is 5 ksf. Check the adequacy of the footing based on bearing pressure. P =100k 5ft 5ft Frost line Soil unit weight

Get Price### how to calculate rcc weight in kilograms

How To Calculate Weight Of Concrete Slab Self Weight Formula Now, it is necessary to find out the density of RCC slab as follow :-Density of RCC = 68.15 kg/ft 3 or 150.23 lb/ft 3. After putting the above value in the formula, the following result is obtained :-Self weight of RCC slab = 150 x 0.5 = 75 lb/ft 2 If it is required to calculate the

Get Price### Cement Standards and Concrete Standards

ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates.

Get Price### Reinforced Cement Concrete (RCC) Structures 7407 *0910*

supporting its own weight over a span of 6m. If uniformly distributed live load of 6 KN/m is imposed. Evaluate the maximum working stress in concrete. The density of concrete is 24 kN/m3. 7 b) Explain the advantage of prestressed concrete over RCC. OR 6 4. a) Explain with the help of neat sketches any two prestressing systems. 6

Get Price### Prestressed Concrete Structures: Analysis of beam section

A pre-stress concrete rectangular beam of size 500 mm x 750 mm has a simple span of 7.3 m and is loaded with a udl of 45 kN/m including its self-weight. An effective pre-stress of 1620 kN is produced. Compute the fiber stresses in concrete at mid-span section. High strength steel and concrete

Get Price### CHECK LIST FOR QUALITY CONTROL OF RCC WORKS

Jul 12, 2021CHECK LIST FOR QUALITY CONTROL OF RCC WORKS. Carry out slump test at regular intervals to ensure proper workability. While concreting cubes must be taken to as per IS: 456 – 2000 to ensure the quality and strength of concrete by testing at 7, 21, and 28 days. Make adequate number of cover blocks chairs as per the required clear cover of

Get Price### Concrete Masonry blocks

Concrete masonry Hollow light weight blocks are manufactured with the lowest concrete density of 1100 Kg/m3 density and the block density at 963 Kg/m3 to 688 Kg/m3. At Emcon, Hollow lightweight blocks are available with a face dimensions of 400 x 200 mm (L x H) and 390 x 190, with varying thickness of 100, 150, 200, 250 and 300 mm.

Get Price### Cement Concrete Road Construction Procedure

Sep 21, 2020Compaction of Cement Concrete Road : After the concrete is placed in its position, it should brought in its proper position by heavy screed or tamper fitted with suitable handles. The wooden tamper is at least 75 mm wide and its underside is shaped to the finished cross-section of the slab. Its weight is about 10 kg/m.

Get Price### Concrete Calculator for Stairs

Concrete Calculator for Stairs - Metric. To calculate the amount of concrete needed with this calculator for stairs, you need to know the rise, run, throat depth, and the width of the stairs. The throat depth of the stairs is measured from the point where the rise and run cuts meet on the inside cut, to the compacted gravel, or inside form, below.

Get Price### Reinforced Concrete Design

Mar 28, 2017Concrete: Concrete is a stone like substance obtained by permitting a carefully proportioned mixture of cement, sand and gravel or other aggregate and water to harden in forms of the shape and of dimensions of the desired structure.. Reinforced cement concrete: Since concrete is a brittle material and is strong in compression. It is weak in tension, so steel is used inside concrete for

Get Price### Earthing Chamber

Steel Fiber Reinforced Concrete. Brand. Accurate. Wall Thickness. 50-100 mm. Weight. 20-100 kg. Rcc Earthing Chamber of Size-450*450*300 mm,and 640*640*400 mm, Manufactured using vibro compaction Method in M-25 /M-30 Grade concrete. and Using Fiber moulds So as to get Shuttering Finsh.These Can Be used for earthing requiredment as well. Request.

Get Price### The Weight of Reinforced Concrete Hume Pipe

Jun 24, 2020So Total Volume of RCC Hume Pipe = π x (r22 – r12 )x L = π x [ (0.25)2 – (0.2)2] x 1 = 0.07068 m3. Now, let us calculate the Weight of Reinforced Concrete Hume Pipes. So Weight of Hume Pipes = Volume of Hume Pipes x Density of Material used = 0.07068 x 2500 = 176.714 kg. Hence, the weight of R CC Hume pipes is 176.714 kg.

Get Price### Modulus of Elasticity of Concrete

Modulus of elasticity for concrete, Ec =w1.50 c 0.043√f ′ c M P a E c = w c 1.50 0.043 f c ′ M P a. This formula is valid for values of w c between 1440 and 2560 kg/m 3. For normal-weight concrete, Ec = 4700√f ′ c M P a (in F P S unit Ec = 57000√f ′ c psi) E c = 4700 f c ′ M

Get Price### Precast Concrete Products

Precast technology is a process through which concrete is cast into a reusable mold, cured and then transported to the construction site and liftes into place as opposed to standard concrete which is poured on-site into specific forms. Latest Projects. Estancia IT Park, Chennai.

Get Price### How much steel is RCC slab?

Apr 24, 2020Taking, Bar Length =1000 mm = 1 m. Therefore, we can calculate. Weight of Steel Bar = {7850/(1000x1000x1000)} x (3.14 x d^2 /4)x1000. RCC slab: reinforced cement concrete slab. It has a combination of steel bars and concrete. Steel bars are placed in concrete with calculated spacing. Cover thickness if concrete is provided around the bars.

Get Price### Concrete Mix Design

May 17, 2017As per IS456:2000, Different grades of concrete are classified into M5, M7.5, M10, M15 etc., whereas M stands for Mix and the number behind M stands for Characteristic Compressive strength(fck) of the concrete in N/mm 2 28 days when checked with 15cm15cm15cm cube in direct compression test.

Get Price### Table of concrete design properties (fcd, fctm, Ecm, fctd

Jan 01, 1992Design values of concrete material properties according to EN1992-1-1 Unit weight γ. The unit weight of concrete γ is specified in EN1991-1-1 Annex A.For plain unreinforced concrete γ = 24 kN/m 3.For concrete with normal percentage of reinforcement or prestressing steel γ = 25 kN/m 3.. Characteristic compressive strength f ck. The characteristic compressive strength f ck is the first value

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