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Green concrete. The concrete which is made from the industrial wastes and eco-friendly is the green concrete.Green will reduce 10% of CO2 emission which will reduce the global warming, which is one of the reason for world's destruction.Since it is made from the industrial wastes it is very cheap and durable.
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2. NON-DESTRUCTIVE TESTING OF CONCRETE (NDT ON CONCRETE) It is a method of testing existing concrete structures to assess the strength and durability of concrete structure. In NDT without …
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CONCRETE TECHNOLOGY PPT. The document discusses the history and components of concrete. It begins with the group members working on the project and their college. It then covers the early history of cement from its invention in 1824 to its manufacturing in India. The main components of concrete are discussed as cement, fine …
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19. CURING OF CONCRETE • The process of keeping concrete wet to enable it to attain full strength is known as curing. • The objective of curing is to prevent loss of moisture from concrete due to evaporation or because of any other reasons. • Curing should be done for a period of three weeks but not less then 10 days.
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It is a significant structural building material. Raw materials for cement creation are limestone, sand or clay, bauxite, and iron mineral, and may incorporate sheets, chalk, marl, shale, clay additionally impact blast furnace slag. Chemical analysis of cement raw materials gave knowledge into the substance properties of cement.
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USE OF STEEL MESH Steel mesh in concrete slabs on ground:- • Does not prevent cracks • Does not increase load carrying capacity • Steel is used to control crack width. USE OF STEEL MESH Continuously Reinforced Concrete Pavements • 0.6% - 0.7% steel • Tight cracks at close centres • Works fairly well • Expensive.
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Improving the quality of concrete Adopting the bestmix proportion Efficient compaction during casting Leak proofformwork Adopting salt free sand Using plasticizers Using sulphate resisting cement and pozzolana cement 2. Increasing depth of concrete cover to reinforcement 3. Concrete coating and sealers 4.
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Lec : 1. Modules / Lectures. Concrete Engineering Technology. Lecture-01 Introduction and course overview. Lecture-02 Constituents of concrete (Part 1 of 2) Lecture-03 …
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Concrete Paving Technology - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. A presentation on Concrete Paving Technology.
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High Strength Concrete: Download: 37: High Strength Matrics and SCC: Download: 38: Self Compacting Concrete: Download: 39: Fiber Concrete: Download: 40: Fiber and …
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Green concrete. 2. WHAT IS CONCRETE Concrete is the mixture of cement, sand, water and course aggregates which can be poured into formwork and form a hard structure like a stone. 3. 1.Reinforced cement concrete (R.C.C.) 2.Plain cement concrete 3.Ready-mix concrete 4.Light weight concrete 5.Fiber reinforced concrete 6.
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1. Know various engineering properties of building construction materials and suggest their suitability. 2. Identify the functional role of ingredients of concrete and apply this knowledge to concrete …
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12. PRE-STRESSED CONCRETE As the name suggest that a initial load is given to the member prior to use. Pre-stressing reduces the effect of tension. pre-stressing process The concept of pre-stressing was invented centuries ago when metal bands were wound around wooden pieces (staves) to form a barrel. 13.
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Concrete technology 6 Oxide Per cent content CaO 60–67 SiO 2 17–25 Al 2 O 3 3.0–8.0 Fe 2 O 3 0.5–6.0 MgO 0.1–4.0 Alkalies(K 2 O,Na 2 O) 0.4– 1.3 SO 3 1.3–3.0 Hydration of Cement:- The chemical reaction between cement and water in a proportioning mix is called as hydration of ...
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4. 3D CONCRETE 3D concrete is an emerging technology that combines digital technologies and new insights from material technologies to allow free-form construction without the …
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42. V-Funnel test and V-Funnel test at T5 min. Open within 10 seconds the trap door and record the time taken for the concrete to flow down. Record the time for empltying. This can be judged when the light is seen when viewed from top. The whole test is to be performed within 5 min. 43.
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Concrete Technology Ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. concrete technology
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Concrete technology 6 Oxide Per cent content CaO 60–67 SiO 2 17–25 Al 2 O 3 3.0–8.0 Fe 2 O 3 0.5–6.0 MgO 0.1–4.0 Alkalies(K 2 O,Na 2 O) 0.4– 1.3 SO 3 1.3–3.0 Hydration …
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Hydraulic concrete is one of the most-used construction materials around the world. Portland cement is its principal component, but during its production a lot of energy is needed, and big volumes of greenhouse …
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INTRODUCTION:- 3D or additive manufacturing is a computer-controlled production technique that builds a product layer by layer. It is called additive manufacturing because a new material is continually added to it when it wants. 3. DIMENSIONS:- This massive 3D printer has a build volume of 12 m x 12 m x 12 m.
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2. CONCRETE ADMIXTURES • Admixtures are material other than cement, aggregates & water that are added to concrete either before or during mixing to alter its properties & performance in fresh (workability, setting time etc) and hardened state (strength, durability etc.) Concrete admixtures are generally divided into 2 types i.e., 1.
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CONCRETE TECHNOLOGY. - ppt download. Published by Rolf Rodgers Modified over 6 years ago. Embed. Download presentation. Presentation on theme: "CONCRETE …
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6. Basic Considerations Cost • The cost of concrete is made up of • Material Cost • Equipment Cost • Labour Cost • The variation in the cost of materials arises from the fact that cement is several times costlier …
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August 2005. J. Wang. G.-Q. Yan. Effects of the GHPC mineral admixtures on fluidity of the concrete mixture, strength and durability of concrete were studied. Some benefits are obtained to apply ...
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2.1 MAKING AND TESTING OF CONCRETE Mixing, placing, finishing and curing of concrete Mixing: Involves weighing out all the ingredients for a batch of concrete and mixing them together - A six-bag batch contains six bags of cement per batch - Hand-mixing (tools used) - Mixing with stationary or paving mixer - Mixing with truck mixers - …
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1 Concrete Technology 2 What is Hydraulic Cement Concrete? A homogeneous mixture of aggregates held together by a hardened hydraulic cement paste While concrete …
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Moisture Content MC = W- D x W W = wet weight D = weight after drying The are various methods for measuring the moisture content of aggregate. 64. 5 Bulking of Sand. 65. Bulking of sand Dry W = 3% W = 6%. 66. The End. Aggregate - Concrete Technology - Download as a PDF or view online for free.
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This seminar provides a critical review of 3D in construction, discussing its benefits, challenges, and risks. 3D , also known as additive manufacturing, builds objects layer by layer and offers potential advantages for the construction industry such as reduced costs and time. The document reviews the history …
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Download the 5G Wireless Technology Campaign presentation for PowerPoint or Google Slides. Improve your campaign management with this template that will definitely make a difference. It will empower you to organize, execute, and track the effectiveness of your campaign. Enriched with innovative resources, it facilitates seamless communication ...
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1 / 23. Download Presentation >> CONCRETE TECHNOLOGY. Nov 18, 2014. 3.21k likes | 9.71k Views. CONCRETE …
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It can actually look super cool as a background for your information! This template is super modern and aesthetically pleasing with its textured off-white backgrounds and minimalist design. Reminding us to the minimalism of Nordic design, this template is perfect for a simple and elegant presentation. Add your information and make the concrete ...
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Presentation Transcript. Civil Engineering DeptU.E.T Peshawar Ist semester Section "B" Group 5 Group Members: Hamza Ali Jadoon Danish Ali Hidat Ullah Bilal YOusaf Hafiz Mohammad Hamza. Course of Week 6 and 8 Mini Project Topics Aggregates Properties Batching Mixing Transporting Handling Placing of the Concrete Control Tests …
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PPT - BASICS CONCRETE TECHNOLOGY PowerPoint Presentation, free download - ID:9359195. Presentation. 1 / 78. Download Presentation >> BASICS CONCRETE TECHNOLOGY. Jan …
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Download ppt "CONCRETE TECHNOLOGY." Similar presentations . Civil Engineering Materials. CE-303-Lecture #1 Fundamentals of Concrete Objectives To explain the basic concepts of concrete To explain briefly the properties of freshly mixed concrete.
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With a uniquely simplified design using cement gray, this concrete-focused presentation template is perfect for Google Slides and PowerPoint. It allows you to present all the essential attributes of construction materials, primarily focusing on concrete. This clean, easy-to-use template helps you articulate your points clearly and present vital ...
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CONCRETE TECHNOLOGY. - ppt download. Published by Marilynn Greene Modified over 5 years ago. Embed. Download presentation. Presentation on theme: "CONCRETE …
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