Shamsad Ahmad‚ Abul Kalam Azad‚ and Mohammed Abdul Hameed A STUDY OF SELF-COMPACTING CONCRETE MADE WITH MARGINAL AGGREGATES Shamsad Ahmad∗‚ Abul Kalam Azad‚ and Mohammed Abdul Hameed Department of Civil Engineering King Fahd University of Petroleum & Minerals Dhahran‚ Saudi Arabia 1. INTRODUCTION Self-compacting concrete (SCC)‚ developed first in Japan in the late 1980s‚ represents one of the most significant advances in concrete technology in the last two decades. SCC was developed to ensure
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REPORT REPORT CONSTRUCTION MATERIALS & TECHNOLOGY Study of compressive strength of concrete made using saline water 15th November 2012 CONSTRUCTION MATERIALS & TECHNOLOGY Study of compressive strength of concrete made using saline water 15th November 2012 CONTENTS 1. Introduction………………………………….2 2. Objectives…………………………………….2 3. Methodology…………………………………3 4. Concrete Making……………………………..4 * Materials
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1.0 OBJECTIVE This experiment deals with determination of rock strength when a certain load implied on the rocks. Students should be able conducted the experiment‚ understanding the theory and recognize the rock strength on different types of rocks in Malaysia. 2.0 LEARNING OUTCOMES a) To determine a rock strength on different types of rock formation in Malaysia. b) To evaluate the physical properties of rocks for civil engineering application. c) To understand the theory rock
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Jaw crushing plant is primarily used for reducing various kinds of stones and lump materials into medium-grained gravel. The materials to be crushed can be hard‚ medium-hard and soft minerals which compressive strength should be not more than 320 MPA. Our PE series jaw crusher result in higher crushing efficiency. Currently‚ these products become the preferred jaw crusher machine in the production of stone. They are widely used in many industries‚ such as mining‚ metallurgy‚ building material‚ railway
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Standard for Compressed Stabilized Earth blocks: AS-1:2007 March‚ 2007 P a g e | 1 Standard for Compressed Stabilized Earth blocks: AS-1:2007 1. General In creation of this document‚ numerous standards have been consulted and referred to from leading national institutions focused on compressed earth block technology. These include: GTZ in Germany; a series of institutions in India‚ including the Aureville Earth Institute; the Uniform Building Code in the United States
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Effect of mixing time on fly ash block property Ayan Kumar Keora a a Development Alternatives‚ B-32‚ TARA Crescent‚ Qutab Institutional Area‚ New Delhi – 110016‚ India Abstract: This paper presents the effects of mixing time on the compressive strength of fly ash brick. Before designing the mix‚ sieve analysis of sand and fly ash was carried out and their fineness moduli were determined. Also the specific gravity and calorific value and ash content of fly ash were determined. The CaO content
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METHODS OF RAFT FOOTING DESIGN According to IS – 2950:1965‚ the design criteria of raft footings are given below: The maximum differential settlement in foundation on clayey soils and sandy soils should not exceed 40mm and 25 mm respectively. The maximum settlement should generally be limited to the following values: Raft foundation on clay – 65 to 100 mm. Raft foundation on sand – 40 to 65 mm. There are two methods for the design of raft foundations. They are: 1) Conventional Method 2)
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Rebound Hammer By Kaushal Kishore Materials Engineer‚ Roorkee INTRODUCTION The standard method of determining strength of hardened concrete consists of testing concrete cubes in compression. The quality of entire concrete of a structure cannot be fully assessed by testing a few concrete cubes. The results obtained in testing cubes do not always reflect the actual strength of concrete in construction. In a whole day‚ concreting work cubes are cast in a few batches‚ the differences (unintentional
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PET BOTTLES AS BRICKS To make the environment free from pollution an attempt was made to construct the water tank using the discarded pet bottles. Since there is construction materials scarcity‚ we need to go for an alternative construction material. The three basic needs for human life are food‚ shelter and clothing. But in developing countries like India there is no shelter for poor people. By considering this‚ the shelter can be constructed at low cost. Making of brick emits carbon-di-oxide
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results of the uniaxial compression and point load strength tests. Field measurements comprised pressuremeter testing as well as seismic geophysical methods including down-hole and crosshole techniques. The static and dynamic in-situ stiffness measurements were found to be reasonably in good agreement with the laboratory values from the dynamic tests as well as empirical methods for estimating rock mass stiffness from uniaxial compressive strength results. INTRODUCTION The modulus of deformation
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