CONCRETE 101

CONCRETE 101 A guide to understanding the qualities of ... How does high cement content effect pumping (i.e. 3000 PSI ... Fly ash increases the pumpability of concrete by making it more slippery without adding more water. It's small, spherical shape is the physical characteristic of …

Sustainable Concrete: The Role of Performance-based ...

Mass Concrete Pumpability Finishability. 5 Energy Comfort Thermal Mass ... Urban Heat Island Effect ... National Laboratory Aesthetics Versatility Color Texture. 7 Portland cement 208 kg/m3 (350 lb/yd3) Slag cement 178 kg/m3 (300 lb/yd3) Concrete Mixtures Slag cement 178 kg/m (300 lb/yd Silica fume 30 kg/m3 (50 lb/yd3) Coarse aggregate 1068 kg ...

effect of slag on pumpability concrete - hotelswagat.co.in

adverse effects slag cement grinding mill equipment Broader Use Of Steel Slag Aggregates In Concrete- adverse effects slag cement broader use of steel slag aggregates in concrete steel slag is an industrial byproduct . ... the slag Silica fume low heat concrete Improved pumpability of the effect of partial Portland cement replacement using ...

Civil Engineering Materials (Aggregates, Concrete, etc ...

Also called slag cement it is a non-metallic hydraulic cement consisting essentially of silicates and aluminosilicates of calcium developed in a molten condition simultaneously with iron in a blast furnace.

Slag cement with fly ash

Concrete made with slag cement can have faster set times than concrete made with fly ash (Figure 2). Pumpability and Finishability . Pumpability with slag cement and fly ash is generally improved largely due to the addition of fines to the matrix.

Evaluation of Ground Granulated Iron Blast-Furnace Slag ...

AASHTO M 302-00 (Ground Granulated Blast-Furnace Slag for Use in Concrete and Mortars) ... Through a series of standard ASTM tests the effects of GGBFS grade-100 on concrete at various ... pumpability, slump retention, and finish ability are due in part

Effects of Fly Ash and Ground Granulated Blast-Furnaces ...

The experimental results showed the effect of steel slag powder on concrete performance. When compound mineral admixtures with steel slag powder and blast-furnace slag powder are mixed into concrete, the performance of concrete can be improved further due to the synergistic effect …

Fect Slag Pumpability Concrete - tetovo-bg.eu

pumpability, and durability of the concrete. Slag cement is made by grinding granulated blast furnace slag to a very fine powder. Slag cement is hydraulic. That is, when added to water, they react and harden. Usually some of the portland cement is replaced by fly ash or slag cement to increase durability and to reduce the . Get Price And ...

Fly Ash, Slag, Silica Fume, and Natural Pozzolans

Fly Ash, Slag, Silica Fume, and Natural Pozzolans Fly Ash, Slag, Silica Fume, ... Effect of Fly Ash on Bleeding of Concrete Control mixture 1.75 0.059 1.31 0.044 Average of: Class C 0.34 0.011 ... Pumpability Finishability Setting Time Heat of Hydration Air …

Ultra-High-Pumpability and High Performance Concrete ...

Abstract: By means of orthogonal experimental design, the composition (including Calcium formate, Ferric sulfate and Crystal-embryo) of Na+ & K+-free concrete hardening accelerator is designed, and the hardening accelerative effect of the concrete hardening accelerator is studied.

The Effect of Alkaline Solution-to-Slag Ratio on ...

The Effect of Alkaline Solution-to-Slag Ratio on Permeability of Alkali Activated Slag Concrete ... slag concrete has higher tensile and compressive strength, ... nes [37]. To investigate the effect of alkaline solution/slag ratio on the slump, results of slump test were plotted in Fig. 1.

Aggregates for Concrete - Department of Civil Engineering

Aggregates for Concrete bination of gravels or crushed stone with particles ... requirements, workability, pumpability, economy, poros-ity, shrinkage, and durability of concrete. Variations in ... The effect of a collection of various sizes in reducing

What is slag cement

Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. It is a recovered industrial by-product of an iron blast furnace.

Ground granulated blast-furnace slag - Wikipedia

Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag ... Two major uses of GGBS are in the production of quality-improved slag cement, namely Portland Blastfurnace cement (PBFC) and high-slag blast ... The effect of ggbs, fly ash, silica fume and limestone fines on the properties of concrete ...

The effect of silica fume on durability of alkali ...

The effect of substitution the slag with silica fume on compressive strength and permeability of alkali activated slag concrete has been examined and analyzed in this study.

Slag Concrete - Graniterock

Mixes with high slag concrete typically show less bleeding and shrinkage than straight cement mixes. Graniterock uses slag to improve concrete because of the fineness of the material, spherical shape, and improved compressive strength. Slag is used as a replacement for water to improve workability and pumpability of concrete.

Effect of GGBFS as filler in polyester grout on strength ...

Effect of GGBFS as filler in polyester grout on strength development and flowability. ... (pumpability) of polyester grout. ... Effect of slag content to cement …

effect of slag on pumpability concrete

effect of slag on pumpability concrete manufacturer in Shanghai China effect of slag on pumpability concrete is manufactured from Shanghai Xuanshi It is the main . Get More Info. Georgia Chapter ACI Luncheon Benefits of Slag .

Effect Of Slag On Pumpability Concrete - cz-eu.eu

Effect of a slag on . aids the pumpability of concrete. Get Price And Support Online; effect of slag on pumpability concrete – Crusher . effect of slag on pumpability concrete manufacturer in Shanghai, China. effect of slag on pumpability concrete is manufactured from Shanghai Xuanshi,It is the main mineral processing solutions.

EFFECT OF USING GRANULATED STEEL SLAG IN CONCRETE …

flexural properties of concrete containing steel slag are compared with that of concrete containing river sand and also manufactured sand. But in this paper only the effect of using granulated steel slag in concrete mixes as an fine agate on compressive strength and workability is discussed.

Properties of Slag Concretes - p2infohouse.org

Figure 12: Effect of slag content on expansion of mortar prisms ... Effect of cement type on the expansion of mortar prisms. ... the increase in paste volume resulting from use of ternary blends, appears to improve workability and pumpability. Setting Time.

THE EFFECT OF SLAG ON DURABILITY OF LIGHTWEIGHT …

THE EFFECT OF SLAG ON DURABILITY OF LIGHTWEIGHT CONCRETE Hongzhi Cui (1), T. Y. Lo (2) and Feng Xing (1) ... remarkably with an increase of cement replacement by slag from 0%, 25%, and 40%. For concrete with 350kg/m3 cement content, the coefficient of water permeability dropped from

UNDERSTANDING THE PUMPABILITY OF CONCRETE

UNDERSTANDING THE PUMPABILITY OF CONCRETE Marc Jolin1, Dennis Burns2, Benoît Bissonnette1, Frédéric Gagnon3 and Louis-Samuel Bolduc1 ... Different aspects related to the characterization of fresh concrete and the effect of mixture design on pumpability are presented in the paper. The concept of

Effect of slag content to cement grout on the compressive ...

Effect of slag content to cement grout on the compressive strength development in tropical weather environment. ... EFFECT OF SLAG CONTENT TO CEMENT GROUT ON THE . ... (pumpability…

effect of slag on pumpability concrete - ellul.nl

The effect of silica fume on durability of alkali ... The effect of substitution the slag with silica fume on compressive strength and permeability of alkali activated slag concrete has been examined and analyzed in this study.

Effects of Ground Granulated Blast Furnace Slag in ...

concrete design since the early 1900s (Slag Cement Association, 2002). Slag cement is a byproduct of the iron-making process and is composed primarily of silica and calcium. In fine particle form, slag cement displays cementitious qualities similar to those of ordinary portland cement (OPC). Slag cement can therefore be substituted for OPC in a

Evaluating the Effect of Bentonite, Steel Slag and Sodium ...

Evaluating the Effect of Bentonite, Steel Slag and Sodium Silicate on Strength and Durability of Concrete . Pradeep Kumar1, Sabari Nathan2. ... place of cement and limited use of steel slag in place of fine aggregate .The sodium silicate admixture were used to increase the performance of concrete. 2. MATERIAL USED .

effect effect of granulated slag as sand replacement in ...

use of blast furnace slag sand in concrete as a partial replacement for sand. effect of slag on pumpability concrete manufacturer The use of slag cement slag ... Get Price EFFECT OF BLENDING OF PORTLAND CEMENT …

Effect of Admixtures on Pumpability for High-Strength Concrete

Title: Effect of Admixtures on Pumpability for High-Strength Concrete. Author(s): Jae Hong Jeong, Kyong Pil Jang, Chan Kyu Park, Seung Hoon Lee, ... the effects of mineral and chemical admixtures on pumpability of high-strength concrete were investigated through measuring rheological properties of concrete and the lubricating layer. A total of ...

Effect of fly ash microsphere on the rheology and ...

These polymers adsorbed on the surface area of cement grains results in the inter ... viscosity of the FAM modified AAC paste indicates that the FAM can be chosen as an effective strategy to improve the pumpability and workability of AAC products. ... F. Puertas, C. Varga, M.M. AlonsoRheology of alkali-activated slag pastes. Effect of the ...