artificial concrete pdf

(PDF) Prediction of Compressive Strength of Concrete by ...

Download Free PDF. Download Free PDF. Prediction of Compressive Strength of Concrete by Artificial Neural Network. Ijifr Journal. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper.

Lecture 4. Aggregates - Aalto

• Artificial aggregates are made out of various waste materials. • Artificial aggregates are sometimes produced for special purposes: - for making lightweight concrete: burned clays, artificial cinders, ed slag, expanded shales and slate, sintered fly ash exfoliated vermiculite are used - for making heavy- weight concrete: steel rivet

Artificial pozzolans in eco-efficient concrete - ScienceDirect

Jan 01, 2013· For decades, the metallurgical industry has used non-ferrous slag (Pb, Zn, Cu, Ni) as an alternative source for obtaining raw materials for construction and, more specifically, as artificial additions in cement manufacture (Douglas and Malhotra, 1987).Nonetheless, research has focused primarily on slag generated in copper metallurgy via fusion of primary minerals or copper-based …

Aggregates for Concrete - University of Memphis

concrete with a density (unit weight) of 2200 to 2400 kg/m. 3 (140 to 150 lb/ft. 3). Aggregates of expanded shale, clay, slate, and slag (Fig. 5-3) are used to produce struc-tural lightweight concrete with a freshly mixed density ranging from about 1350 to 1850 kg/m. 3 (90 to 120 lb/ft. 3). Other lightweight materials such as pumice, scoria,

Artificial Intelligence to Investigate Modulus ... - Concrete

concrete made with RCA were investigated using deep learning and soft computing.13,22,23 The research presented in this paper establishes a model to estimate the MOE of concrete made with coarse RCA that is based on the artificial neural network (ANN) method. A wide range of …

:: ARTIFICIAL SAND

Concrete. The slabs, using Artificial sand, are more leak proof than by river sand. Now a days, in construction of roads, buildings, dams, canals, etc., cement concrete plays an important role. Concrete is an artificial stone resulting from hardening of rationally chosen mixture of binding

OPTIMUM REPLACEMENT OF NATURAL SAND WITH …

sand in concrete. The replacement of natural sand by artificial sand is feasible for 60% to 80%. It is seen from above studies there is a variation in strength enhancement of concrete made from artificial sand to encourage the use of locally available artificial sand promotes to study to check it suitable optimum percentage

DESIGN OPTIMIZATION OF REINFORCED CONCRETE BEAMS …

Abstract:–– This paper presents an Artificial Neural Networks (ANN) model for the cost optimization of simply supported beams designed according to the requirements of the ACI 318-08 code. The model formulation includes the cost of concrete, the cost of reinforcement and the cost of formwork.

Properties of Concrete - University of Memphis

Properties of Concrete Concrete is an artificial conglomerate stone made essentially of Portland cement, water, and aggregates. Properties of Concrete While cement in one form or another has been around for centuries, the type we use was invented in 1824 in Britain.

Concrete

noun an artificial, stonelike material used for various structural purposes, made by mixing cement and various aggregates, as sand, pebbles, gravel, or shale, with water and allowing the mixture to harden.Compare reinforced concrete. any of various other artificial building or paving materials, as those containing tar.

Cement and Concrete (CED 2)—Civil Engineering Division ...

Dec 21, 2016· Specification for Artificial Lightweight Aggregates for Concrete Masonry Units: IS 9284 (pdf) ... 1979: Method of test for abrasion resistance of concrete: IS 9376 (pdf) IS 9376 (txt) 1979: Specification for apparatus for measuring aggregate crushing value and ten percent fines value: IS 9377 (pdf) IS 9377 (txt) 1979: Specification for ...

A New Technology for Artificial Reef Construction in ...

A relatively recent development (1993-94) in artificial reef construction is the use of prefabricated concrete structures called Reef Balls. These hollow dome-shaped structures resemble natural coral heads produced by some coral species. They have holes of different sizes which allow fish and other marine organisms to enter the interior.

Development and Optimization of Artificial Intelligence ...

Index Terms—high-performance concrete, compressive strength, artificial neural network, fuzzy inference system, adaptive neuro-fuzzy inference system . I. INTRODUCTION Concrete is the most versatile and widely used construction material. The reasons for concrete's dominance are varied, but among the most important are: ...

CEMENT and CONCRETE TECHNOLOGY

1889 The first concrete reinforced bridge is built. 1890 The addition of gypsum when grinding clinker to act as a retardant to the setting of concrete was introduced in the USA. Vertical shaft kilns were replaced with rotary kilns and ball mills were used for grinding cement. 1891 George Bartholomew placed the first concrete street in the USA in

Silica Fume Concrete [PDF]: Properties, Advantages, and ...

🕑 Reading time: 1 minute Silica fume concrete is composed of cement, silica fume, fine aggregate, coarse aggregate, and water. Fresh and hardened properties of silica fume concrete is superior to conventional concrete. For instance, it has higher compressive and flexural strength. The durability of this type of concrete is superior to conventional concrete. Resistance […]

Artificial Neural Networks Methods to Analysis of ...

concrete properties and ultrasonic readings. The major aim of the work is to test, explore and demonstrate the potential of ANN as an interesting tool for diagnosis, training and storage of non-structured knowledge in the civil engineering field. Keywords: Artificial Neural Networks, concrete, ultrasonic pulse velocity 1. Introduction

Utilization of Plastic Waste in Concrete as Fine Aggregate

concrete shows the arrest of propagation of micro cracks and high toughness in concrete mix. The study has shown good workability in low slump value but water cement ratio content kept constant in all concrete samples. 3. Materials 3.1 Shredded plastic waste Figure 1 Sieved shredded plastic waste ...

EXPERIMENTAL STUDY OF EFFECT OF ARTIFICIAL SAND AND ...

Concrete with artificial sand and aggregates design results are satisfactory. 6. Cube strength of Narmada sand concrete is found to be less then artificial sand. 7. Workability is more in case of natural sand made concrete as compared to artificial sand.

HIGH-STRENGTH STRUCTURAL LIGHTWEIGHT CONCRETE

As the concrete hardens, the bubbles disintegrate or transform, releasing the water which is absorbed into the cement matrix, thus aiding in the hydration process and leaving air voids of similar sizes. Thus, there is less need to wet the concrete during curing, as is normally necessary with conventional, uned concrete.

Comparative Strength of Natural, Artificial, and ...

Abstract— Fibre Reinforced concrete (FRC) is a combination of concrete and randomly distributed discrete fibres. Use of fibres in concrete enhances its mechanical properties. Fibres are basically distinguished on basis of its origin. Various papers have been published before on use of natural and artificial fibres in concrete.

Natural Fiber Reinforced Concrete

concrete), the amount of yeast granules added was only about 10 g. The following tests were conducted to determine the various properties of yeast fiber concrete: • Compression test, • Tension test, • Consistency and setting time tests, • Slump test, • Vee-bee degree test, and ...

Establishing a Mix Design Procedure for Geopolymer …

Concrete A dissertation submitted by Mr Paul Wilson Associate Degree in Engineering (Civil) 2010 ... compressive strength, to create artificial neural networks (ANNs). These ANNs learnt from the input data and output a compressive strength for each input line of data. This output value was obtained via set algorithms based on

The Use of Designed and Prefabricated Artificial Reefs in ...

artificial reef material. Because of the current interest in the United States in installing artificial reefs and the decreasing availability and cost­ effectiveness ofscrap materials for con­ struction. it is useful to review the past and potential role of designed, prefabri­ cated reefs in …

The Influence Aggregates Artificial to the Strength Concrete

Normal concrete work begins with mixing of concrete-forming materials (sand, gravel, cement and water). Then the material is placed into concrete mixer. Slump test measurement for fresh concrete is carried out. The mix was then placed into the mold for 24 hours. In aggregate artificial substitution concrete processes, materials such as sand ...

Artificialreefs:areviewoftheirdesign, application ...

Concrete 79 Rock,stone,boulders,gravel,etc. 29 FADs 17 Offshoreplatforms 16 Tyres 15 Stabilisedashwaste,harbourmud 14 Plastic,PVC,etc. 12 Vessels,barges,shipwrecks 11 Wood,trees,etc. 11 Breakwaters,coastalstructures 12 Steel,metal 10 Rope,netting 9 Automobiles,traincars 6 Unspecifiedmixofmaterials 6 Reviewofwiderangeofmaterials 13 ...