1. INTRODUCTION Concrete is a widely used building material‚ many concrete pavements such as bridge deck‚ highway pavements and airfield runways are constructed all over the world‚ due to its superior properties such as high strength‚ good stability‚ abrasion resistance and anti-slippage. However‚ concrete is a poor electrical conductor‚ especially under dry conditions. Concrete that is excellent in both mechanical and electrical conductivity properties may have important applications in the electrical
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SEMESTER 2 ( JUN 2013 ) CC203-CONCRETE TECHNOLOGY AHLI KUMPULAN NAMA TAJUK CONCRETE MATERIALS AND MIXTURE NAMA PENSYARAH KELAS CONTENT PAGES INTRODUCTION 1 BASIC PROPERTIES OF CONCRETE 2-5 BASIC KNOWLEDGE OF CEMENT 6-9 STORAGE METHODS OF CEMENT 10-12 FINE AGGREGATES AND COARSE AGGREGATES 13-14 PROPERTIES OF WATER USED IN CONCRETE MIXTURE 15-19 BASIC CONCEPT OF CONCRETE MIX 20 FRESH CONCRETE 21-23 ROLE OF ADDITIVES IN CONCRETE MIXTURE 24-25 CONCLUSION
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7166M01.qxd_lb 6/3/09 09:38 AM Page 1 1 BASIC CONCEPTS 1.1 INTRODUCTION Concrete is strong in compression‚ but weak in tension: its tensile strength varies from 8 to 14 percent of its compressive strength. Due to such a low tensile capacity‚ flexural cracks develop at early stages of loading. In order to reduce or prevent such cracks from developing‚ a concentric or eccentric force is imposed in the longitudinal direction of the structural element. This force prevents the cracks
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VSL FLOATING CONCRETE STRUCTURES EXAMPLES FROM PRACTICE SECOND PRINTING JULY 1992 VSL INTERNATIONAL LTD. Berne / switzerland Table of contents Page 1 Preface 1. Introduction 1 2. VSL Systems and Service Range 4 2.1. 2.1.1. 2.1.2. 2.1.3. 2.1.4. 2.1.5. 2.2. VSL Systems Introduction VSL Post-tensioning VSL Slipforming VSL Heavy Lifting Other VSL Systems Services offered by VSL 4 4 4 5 5 6 6 3. Examples from Practice 7 3.1. Introduction 7 3.2. 3.2.1. 3.2.2. 3.2.3. 3.2.4. 3.2.5.
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Unicon Concrete Products (H.K.) Ltd. Submitted by – Hardik Panchal (103710743) Introduction: Unicon manufactured precast concrete products which mainly consisted of four main products which were: facades‚ slabs‚ stairs and partitioning walls. These products were used in construction of large‚ high residential‚ offices and
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prestressed and partially stressed concrete. These concrete reinforcing methods differ in the period they have been used. Reinforced concrete was developed by a nursery owner in Paris in 1867‚ Joseph Monier‚ applying it to practical use for the first time (Salmon & Wang‚ 2007). Prestressed concrete’s discovery dates back to the late 1800’s. Freyssinet was one of the first engineers who used this method and realised that‚ for this method‚ high quality concrete with very high tensile steel wires
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Benefits Of Choosing Stamped Concrete For Your Patio A plain concrete slab is the typical patio material‚ so if you want something a little more upscale‚ you may start to look at pavers or natural stone. However‚ there’s one option you don’t want to overlook‚ and that’s stamped concrete. It pours on like a concrete slab‚ but it looks just like more expensive stone. Here are some of the benefits of installing a stamped concrete patio. Lower Cost Slate and other stone materials are expensive. They
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Angel Investing: Frequently Asked Questions What is an Angel Investor? An angel investor is a high net worth individual who invests his or her own money directly into an early stage company‚ in return for equity (ownership) in the company. In addition to providing financial capital‚ angel investors mentor and coach their portfolio companies‚ and help fill in functional or skill gaps in the company. They introduce the companies to other investors‚ and to colleagues who may be able to increase
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Angels are the one that God sends to us to protect and love us. They are considered as the guardian for us. They will be with us no matter whatever happens. There was a boy who was yearning for his guardian angel to come for him also. He grew up in a good family. Loving family. Yet he still was lonely. The reason is because he is not used to be with a good friend in his life. Therefore he grew up lonely. He was in a imaginary cave that prevents him from the outside world. He is a sensitive person
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In various retail stores today‚ you will find many angel knickknacks. Angles are truly believed in by today’s society. The retail ranges from books to clothing to toys. Most recently‚ over 200 books about angels are in book stores‚ and several million copies have been sold worldwide (Dumas 59). Why do people buy this merchandise if it can not be proven that angels are real? Believing in angels is like believing in God. If you don’t believe in God‚ just look around at the
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