CONCRETE TECHNOLOGY. - ppt download. Published by Marilynn Greene Modified over 5 years ago. Embed. Download presentation. Presentation on theme: "CONCRETE …
CURING OF CONCRETE • The primary objective of curing is to keep concrete saturated or as nearly saturated as possible. • Hydration reactions can take place in only saturated water filled capillaries. Curing Methods • Methods which supply additional water to the surface of concrete during early hardening stages.
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 …
Calculation of Lap length in Reinforced Concrete Structures. Cement Industry and Construction Industry Profile. Cement Manufacturing Process Simplified Flow Chart. Cement & Concrete Mix Design. Chemical Admixtures In Concrete. Composite Construction of Buildings – Composite Beams. Composite Slabs & Columns – …
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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1 of 26. Download Now. Download to read offline. Recent Advances in Concrete Technology - Download as a PDF or view online for free.
The maximum size of coarse aggregate is typically 19 mm or 25 mm (3/4 in. or 1 in.). An intermediate-sized aggregate, around 9.5 mm (3/8 in.), is sometimes added to improve …
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.
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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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 …
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 …
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 …
Modules / Lectures. Concrete Engineering Technology. Lecture-01 Introduction and course overview. Lecture-02 Constituents of concrete (Part 1 of 2) Lecture-03 Constituents of concrete (Part 2 of 2) Lecture-04 Admixtures in concrete – mineral and chemical. Lecture-05 Hydration of cement. Lecture-06 Basic properties of concrete.
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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.
PPT - BASICS CONCRETE TECHNOLOGY PowerPoint Presentation, free download - ID:9359195. Presentation. 1 / 78. Download Presentation >> BASICS CONCRETE TECHNOLOGY. Jan …
Concrete Admixtures - Download as a PDF or view online for free. Concrete Admixtures - Download as a PDF or view online for free ... High performance concrete ppt. ... R.P. RethaliyaConcrete Technology by: R.P. Rethaliya • Concrete Technology by . M.S. ShettyConcrete Technology by . M.S. Shetty • Internet …
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 …
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.
1. Cement: Cement is the mixture of calcareous, siliceous, argillaceous and other substances. Cement is used as a binding material in mortar, concrete, etc. 2. Chemical Composition of cement is: Lime 63% …
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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.
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 …
1 / 23. Download Presentation >> CONCRETE TECHNOLOGY. Nov 18, 2014. 3.21k likes | 9.71k Views. CONCRETE …
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.
High Strength Concrete: Download: 37: High Strength Matrics and SCC: Download: 38: Self Compacting Concrete: Download: 39: Fiber Concrete: Download: 40: Fiber and …
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 ...
CONCRETE TECHNOLOGY. - ppt download. Published by Rolf Rodgers Modified over 6 years ago. Embed. Download presentation. Presentation on theme: "CONCRETE …
Geo polymer catagories Slag based geopolymer Rock. Gel formation Conventional cement concrete Gel. Properties O.P.C. G.P.C. Setting. Geopolymer concrete. The U.S. military. Uses no. Queensland's University GCI. Basics of Geopolymer concrete - Download as a PDF or view online for free.
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4.2. ( 50) Here you can download the free lecture Notes of Concrete Technology Pdf Notes (CT Pdf Notes) with multiple file links to download. The Concrete Technology Notes Pdf (CT Notes Pdf) book starts with the topics covering Portland cement, Mineral and chemical admixtures, Classification of aggregate, Factors affecting workability, Water ...
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 - …