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of partial replacement of cement with steel shot dust and to compare it with the compressive strength of ordinary M25 concrete We are also trying to find the percentage of steel shot dust replaced in concrete that makes the strength of the concrete maximum So by partially replacing cement with steel shot dust we are presenting aGet price



Sulfates and chlorides in seawater require the use of low permeability concrete to minimize steel corrosion and sulfate attack A cement resistant to sulfate exposure is helpful Proper concrete cover over reinforcing steel must be provided and the water-cementitious ratio should not exceed 0 40 Get price


Experimental Studies on Partial Replacement of Cement by

Over 300 million tones of industrial wastes are being produced per annum by chemical and agricultural process in India These materials pose problems of disposal and health hazards The wastes like phosphogypsum fluorogypsum and red mud containGet price



Repair of Reinforcement in Concrete The reinforcement repair techniques are different for mild steel and prestressing steel 1 Mild reinforcing steel The damaged bars may either be replaced or supplemented by additional reinforcement based on engineering judgment the purpose of the reinforcement and the required structural strength of the member Get price


Mechanical Characteristics of Hardened Concrete with

The increase in 28-day bending strength of concrete with 10 to 15% MK content as partial replacement of cement is reported as 32 and 38% whereas at 80 days bending strength of MK concrete is reported as 13 and 24% respectively however a small effect on the bending strength of MK concrete has been reported for replacement level of 5% Get price



investigated in this study was M20 grade concrete with partial replacement of cement by waste material (CSW-Ceramic Sludge Waste) The percentage of replacement at the levels of 0% 10% 20% 30% and 40% was examined In this research a detailed experimental study on compressive strength and chloride permea bility were carried out at an age of 7 Get price


Turning sewage sludge into concrete

Jun 24 2016Dried sewage sludge could be recycled by adding it to cement to make concrete report researchers in Malaysia Disposing sludge left over from treating sewage water is a major challenge for wastewater plants in Malaysia and as the population climbs the problem is only expected to worsen Get price


Materials for Concrete Repair Replacement and Jacketing

The materials used for concrete repair works such as replacement and jacketing of concrete structural members should have good bonding properties with the existing materials and should be non-shrinking Replacement of concrete is done for damaged structural members Get price


Experimental Study on the Properties of Concrete with

Experimental Study on the Properties of Concrete with Replacement of Cement by Quarry Sludge Usha 1P G Student Structural Engineering SRM University Kattankulathur Chennai Tamil Nadu India S Sindhu Nachiar Asst Professor Department of Civil Engineering SRM University Kattankulathur Chennai Tamil Nadu India Get price



strain of cement concrete in which hypo sludge replaced the cement by 10 20 30 and 40 percent for certain slump workability and to find out the optimum percentage of hypo sludge in M20 nominal mix concrete 100 mm slump has been considered for different replacement levels of cement Two decisionGet price


Experimental Study on Partial Replacement of Cement with

concrete is achieved with the combined effect of using Fly ash and Steel Slag as a partial replacement for cement and sand respectively 2 By this experimental work the optimum replacement ratio for M20 grade concrete mix are 0% replacement of cement by Fly ash and 20% replacement of sand by Steel Slag which gives nearly 10% more Compressive Get price


Performance of Lightweight ed Concrete with

The use of waste materials in construction industry is very essential in order to reduce the depletion of natural sources Thus this study is focused to determine the performance of lightweight ed concrete made with concrete sludge aggregate (CSA) and to determine the optimum proportion of CSA that can gives optimum compressive strength Get price


Waste glass powder as partial replacement of cement for

As with mortar concrete cube samples were prepared and tested for strength (until 1 year curing) The compressive strength test results indicated that recycled glass mortar and concrete gave better strength compared to control samples A 20% replacement of cement with waste glass was found convincing considering cost and the environment Get price



studied the effect of textile mill sludge along with fly ash as replacement of fine aggregate in M20 concrete and found that the workability of concrete decreases as the percentage of sludge increases and the required strength as per IS standard could attain with 32% sludge and 20% fly ash Get price


Study on Compressive Strength of Self Compacting Concrete

GGBS and granite sludge is used in Self compacting concrete to reduce the cost of construction In the present investigation the quantities of cement is replaced with different percentages of granite sludge 0% 5% 10% 15% 20% and also the quantities of sand is replaced with different percentages of GGBS 0% 10% 20% 30% 40% Get price


Experimental Investigation on Compressive Strength of LD

Dec 31 2018Abstract This paper aims to study the compressive strength of concrete made using Linz-Donawitz (LD) slag as a replacement for natural fine and coarse aggregate with both getting replaced up to at an interval of 20% respectively Get price


Long Lasting Concrete Patch

This is done by gently swirling a wood float block or magnesium trowel over the stiffening concrete Once a few more crystals grow the concrete can be finished with a steel trowel This trowel and skilled workmanship bring the cement paste to the surface As this hardens you can get a Get price


What's the Difference Between Cement and Concrete?

Portland cement's chemistry comes to life in the presence of water Cement and water form a paste that surrounds and binds each particle of sand and stone Through a chemical reaction of cement and water called hydration the paste hardens and gains strength The character of concrete is determined by the quality of the paste Get price


Effect of hypo sludge as partial replacement of cement in

Effect of hypo sludge as partial replacement of cement in concrete Vinai Kant Singh1 Danish Khan2 1Resident Engineer 2PG Student 1MSV International INC 2Rajiv Gandhi Proudyogiki Vishwavidyalaya Bhopal Abstract— The hypo sludge is a waste material obtained from paper industry Since paper is not recyclable for long time Get price


How to Use Steel Fibers in Concrete

Mar 30 2012Steel fiber floor/slab applications can save money when compared to other reinforcing systems In addition joint spacing can be increased and they can be used as a replacement for structural reinforcement in some cases In some ways the role polymer macro fibers and steel fibers play in concrete is similar Get price


How to Control Corrosion of Steel Reinforcement in Concrete?

Cement polymer coated rebars embedded in concrete are surrounded by an alkaline medium thus cement based coating is more compatible for reinforcement corrosion control Two coats of cement polymer are applied on rebar – Primer coat and Sealer coat Products involved in Cement Polymer Composite Coated rebar are De-rusting Solution Alkaline Get price



EXPERIMENTAL INVESTIGATION ON REPLACEMENT OF CEMENT WITH FLY-ASH STEEL SLAG RED MUD IN CONCRETE C Ashokraj1 P Aathi kesavan2 A Jagadeshwaran3 M Karthick4 and S Vinothkumar5 1 2 3 4 5 Department of Civil Engineering The Kavery Engineering College Abstract—The concept of partial replacement of cement which is capable for reducing the emissionGet price


Partial Replacement of Fine Aggregate Cement in

Partial Replacement of Fine Aggregate Cement in Concrete with Ceramic Rejects Sadic Azeez1 2 Remya Raju Dr P R Sreemahadevan Pillai3 1M Tech student Civil Department Ilahia College of Engineering Technology Kerala India 2Professor Civil Department Ilahia College of Engineering Technology Kerala IndiaGet price



STUDY ON STRENGTH PROPERTIES OF CONCRETE USING GGBS AND STEEL FIBER AS PARTIAL REPLACEMENT OF CEMENT DHANYA R 1 ARASAN G V 2* GANAPATHY RAMASAMY 2 1Assistant professor Department of civil engineering SRM University Chennai India 2Post-graduate Department of civil engineering SRM University Chennai India (Received 17 June 2017 accepted Get price


Mechanical Effect of Steel Fiber on the Cement Replacement

The behaviors of the fresh and mechanical properties of self-compacting concrete (SCC) are different from those of normal concrete mix Previous research has investigated the benefits of this concrete mix by incorporating different constituent materials The current research aims to develop a steel fiber reinforcement (SFR)‒SCC mixture and to study the effectiveness of different cement Get price



Thus this paper dealt with the replacement of cement using the bagass e ash in concrete Furthermore there has been numerous research made into using steel fibre in concrete Similar to steel fib re is steel scrap which is a waste material from Lathe machines Get price


Influence of Steel Crystal Bonding Powder as Partial

any attempt for its replacement with cement under tank method and was affected up to 6 days 13 has also not been carried out The attempt in this report is to use to replace cement by steel crystal bonding powder in manufacturing concrete for desire result As case study M-15 grade of concrete Get price


Corrosion Behavior of Steel Reinforcement in Concrete

Corrosion Behavior of Steel Reinforcement in Concrete with Recycled Aggregates Fly Ash and Spent Cracking Catalyst This research has considered the combination of cement replacement by industrial by-products and natural coarse aggregate substitution by sewage sludge ash [5] metakaolin [6] other metal industry slags [7] red sludge Get price


What is Spalling Concrete? Their Causes and Repair

If the spalling depth less than 1/3 of the concrete thickness the concrete usually can receive a surface repair However for damages greater than 1/3 of the concrete depth steel bars may need to be installed and a full depth restoration may be required Roughen affected surface and apply suitable adhesion agent to improve bonding Get price



May 05 2015it is Innovative project persentation on MPACT OF MARBLE DUST ON CEMENT CONCRETE PROPERTIES (Civil Engineering) because cement which is important materail for concrete without cement concrete is useless but marble reduse the cost of cement and make it economic and reduse the cost of the project Get price


Utilisation of silica fume steel slag in concrete as a

To increase the strength of concrete by partial replacement of coarse aggregate with steel slag which is a waste material produced from steel industries The main objective of this project is to get high strength by using normal mix proportions with partial replacement of silica fume in cement and steel slag in Get price

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