Cement | PPT

Introduction Cement is a building material for binding bricks, ... 37 N/mm2. 28 day strength 53N/mm2. Used in making strong structures-bridges, highways, high rise buildings, concrete roads, precast pavement blocks and tile blocks. Fast hydration, high heat generation. Hence requires more care.

Unit 1 lesson 01 (introduction to reinforced concrete design)

75 mm for concrete cast and permanently exposed to earth such as footings 40-50 mm for concrete members exposed to weather 40 mm concrete cover of pipes, conduits or fittings and exposed to weather 40 mm for beams and columns 20 mm for concrete not exposed to weather or in contact with ground, such as slabs, walls and joists

Introduction to Concrete

This chapter covers the trends of the concrete industry, from the production of cement to concrete applications. What is Concrete? Concrete components: cement, water, coarse aggregate, fine …

introduction of cement concrete road ppt – Grinding Mill …

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PRESENTATION ON ROAD CONSTRUCTION INTERNSHIP …

PRESENTATION ON ROAD CONSTRUCTION INTERNSHIP NH34 BY IMRUL QUESH - Download as a PDF or view online for free ... 1 INTRODUCTION 2 ABOUT THE COMPANY 3 ABOUT THE PROJECT 4 PLANNING 5 PLANT AND MACHINERIES 5 WHAT IS ROAD WORK 6 TYPES OF ROAD WORK 7 QUALITY ... Dense bitumen concrete layer-2 9. …

INTERLOCKING CONCRETE BLOCKS PAVEMENTS | PPT

3. INTRODUCTION Concrete block pavement was introduced in The Netherlands in the early 1950s as a replacement for baked clay brick roads. Blocks were rectangular in shape and had more or less the same size as the bricks Earlier days non-interlocking bricks were used but now interlocking bricks were used. ICBP gives excellent performance when applied at …

introduction of cement concrete roads ppt – Grinding Mill …

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Geopolymer concrete ppt | PPT

Geopolymer concrete ppt - Download as a PDF or view online for free ... Geopolymer concrete is an innovative, eco-friendly construction material. It is used as replacement of cement concrete. In geopolymer concrete cement is not used as a binding material. Fly ash, silica-fume, or GGBS, along with alkali solution are used as binders ...

Concrete | PPT

2. INTRODUCTION CONCRETE Concrete is a composite material in which a binding material mixed in water on solidification binds the inert particles of well graded fine and coarse aggregates. Cement and lime are generally used as binding materials, whereas sand cinder is used as fine aggregates and crushed stones, gravel, broken bricks, clinkers are used …

Reinforced Cement Concrete (RCC) | PPT

Generally 1:2:4 and 1:1.5: 3 ratios of RCC are used in construction work. RCC 1:2:4 Where cement concrete 1:2:4 is used; it means 1 part of cement 2 parts of fine aggregate/coarse sand and 4 parts of coarse aggregate. This ratio of cement concrete gives high strength of cement concrete and is recommended for following works.

Fibre Reinforced Concrete | PPT

Case Study Providing and laying 40 mm steel fibre reinforced cement concrete in pavement (in panels having area not more than 1.5 sqm) consisting of steel fibre @ 40kg per cubic meter of concrete and cement concrete mix of 1:1.95:1.95 over existing surface. Since in the executed item, the thickness was to be restricted, the stone aggregates ...

Concrete Road Pavement | PDF

4. 4 table of contents s. no. content page no. 1 public works department:an overview 5 2 introduction 6 3 what is road or pavement? 8 4 types of pavements 9 5 types of concrete pavement 11 6 minerals used 12 7 cement 8 sand 9 aggregate 10 proportioning 16 11 procedure to construct pavement 17 12 preparationof the sub- grade or base coarse 18 13 …

Cement & concrete blocks | PPT

Cement and concrete blocks are alternative materials for masonry construction. Concrete blocks have a glossier finish and higher strength than cement blocks but are more expensive with greater dead weight. Blocks come in solid, hollow, …

Ferrocement ppt | PPT

3. Mortar provides the mass and wire mesh imparts tensile strength and ductility. When building Ferro-cement structures the sand/cement mortar is applied to the reinforcing wire with a trowel, never poured like common concrete work. Often a form is used to provide the desired shape. Ferrocement is a super reinforced concrete. It differs from conventional concrete in that there is …

Geopolymer concrete | PPT

6. PURPOSE OF GEOPOLYMER CONCRETE Fully replacement of cement by FLY ASH Portland cement production is a major contributor to CO2 emissions as an estimated 5 TO 8 %of all human generated. atmospheric CO2 worldwide comes from the concrete industry. Because of CO2 emission in the atmosphere temperature is increased in atmosphere and …

Construction of Cement Concrete Roads

Document Description: Construction of Cement Concrete Roads for UPSC 2024 is part of Civil Engineering Optional Notes for UPSC preparation. The notes and questions for Construction of Cement Concrete Roads have been prepared according to the UPSC exam syllabus. Information about Construction of Cement Concrete Roads covers topics like What is a Cement …

Project report on CC road | PDF

Thus cement concrete roads should be the obvious choice in future road programmes. iii. Besides the easy available of cement, concrete roads have a long life and are practically maintenance-free. iv. Another major advantage of concrete roads is the savings in fuel by commercial vehicles to an extent of 14-20%.

Cement Concrete Road Construction Procedure | Concrete Pavements

What is Cement Concrete Road? The cement concrete roads are in the form of monolithic slabs of cement concrete which serve two functions simultaneously, namely, as the load-carrying base and as the wearing surface.According to the structural behavior, the pavements can be classified as flexible pavement or rigid pavement. Bituminous concrete is …

Paneled Concrete Pavement – Design, Construction and …

Concept of Panel Concrete Pavement Cast‐in‐situ Short Paneled Concrete Pavement (CiSPCP) •Concept of concrete slabs with smaller slab sizes started with the design of thin concrete …

Cement and cement concrete | PPT

5. CONCRETE Concrete is a composite material composed of gravels or crushed stones (coarse aggregate), sand (fine aggregate) and hydrated cement (binder),and imparts considerable hardness to the mixture. The cement reacts chemically with the water and other ingredients to form a hard matrix which binds all the materials together into a durable stone-like …

Introduction to Concrete

Sustainable Development Essentials of Quality Concrete This module covers the trends of the concrete industry, from the production of cement to concrete applications.

cement road construction in the rural areas | PPT

this ppt is seminar on hindustan college of science & technology farah mathura in 2013. in ppt shows the work procedure of construction of road. Read less. ... -15cm layer are used. For bonding between concrete slab & W.B.M. used 1:2 cement wash on W.B.M. 2. Concrete base On the road used 10cm Cement concrete(1:2:4) or lime concrete(16:32:64) 9

Introduction to Concrete

The term concrete refers to a mixture of aggregates, usually sand, and either gravel or crushed stone, held together by a binder of cementitious paste. The paste is typically made up of portland cement and water and may also contain supplementary cementing materials (SCMs), such as fly ash or slag cement, and chemical admixtures (Figure 1-1).

Pavements PPT | PPT

12. Design Approach for rigid Pavements • Cement Concrete roads provides a highly rigid surface and hence for the success of such roads, following two conditions should be satisfied 1. They should rest on non- rigid surface having uniform bearing capacity. 2. The total thickness or depth of the concrete pavement & the non rigid base should be sufficient to …

Cement Concrete Road Construction Procedure

1. Preparation of Sub-grade : Sub-grade is natural soil on which concrete slab is laid. It is cleaned, shaped and levelled. After cleaning, it is prepared to the required grade and profile.

Pavement materials in Road Construction | PPT

Introduction Combination or group of particle masses Used with binding medium 92-96 percent of bituminous concrete 70 -80 percent of cement concrete 39. Sources Natural Obtained from large rock formation by quarrying Excavated rock is crushed to obtain aggregates of different sizes Manufactured By product of industries Brick ballast

ppt on cement industry in india | PPT

3. INTRODUCTION Cement is the glue that holds the concrete together, and is therefore critical for meeting society's needs of housing and basic infrastructure such as bridges, roads, water treatment facilities, schools and hospitals. India is the world's second largest producer of cement after China with industry capacity of over 200 million tonnes (MT).

Estimation introduction

14. 4-Dec-20 14/23 UNIT I - QUANTITY ESTIMATION / ESTIMATE OF BUILDINGS Philosophy – Purpose – Methods of estimation – Types of estimates – Approximate estimates –Detailed estimate – Estimation of quantities for buildings, bituminous and cement concrete roads, septic tank, soak pit, retaining walls – culverts (additional practice in class room using computer …

PWD CC ROAD CONSTRUCTION WORK TRAINING REPORT

INTRODUCTION 3. WHAT IS ROAD OR PAVEMENT? 4. TYPES OF PAVEMENT 5. MATERIAL USED 6. CEMENT 7. SAND 8. AGGREGATE 9. PROPORTIONING 10. PROCEDURETO CONSTRUCT PAVEMENT 11. ... Thus cement concrete roads should be the obvious choice in future road programmes. Besides the easy available of cement, concrete …

Flooring | PPT

CEMENT CONCRETE FLOORING The base course may be 7.5 to 10 cm thick, either in lean cement concrete (1:3:6 to 1:5:10) or lime concrete containing 40% mortar of 1:2 lime-sand & 60% coarse aggregate of 40mm nominal size. When base concrete has hardened, its surface is brushed with stiff broom & cleaned thoroughly. It is wetted the previous night ...

PPT – CEMENT CONCRETE BLOCK PAVING FOR RURAL …

The PowerPoint PPT presentation: "CEMENT CONCRETE BLOCK PAVING FOR RURAL ROADS" is the property of its rightful owner.

Presentation On Road Construction Step by Step | PDF | Road …

The document provides details on road construction including key steps and materials used. It discusses earth work like soil filling and compaction to prepare the base. The main types of pavements are flexible asphalt roads and rigid concrete roads. Construction involves preparing the base, applying a tack coat, laying hot asphalt premix, rolling for compaction, and quality …

Road construction ppt | PPT

3. INTRODUCTION Development of a country depends on the connectivity of various place with adequate road network. Roads constitute the most important made of communication in areas where railways have not …

Paneled Concrete Pavement – Design, Construction and …

A Typical Concrete Pavement System PQC, M40 Membrane Very common type Elevation Relief cut of h/3 Jointed Plain Concrete Pavement (JPCP) Plan view 4.5 m 3.5 m Dowel A B International Conference on New Technologies and Innovations in Rural Roads Jointed Plain Cement Concrete Pavements (JPCP) Size: 3.5 x 4.5 m

CEMENT CONCRETE | PPT

9. Two physical characteristics give reinforced concrete its special properties: The coefficient of thermal expansion of concrete is similar to that of steel, eliminating large internal stresses due to differences in thermal expansion or contraction. When the cement paste within the concrete hardens, this conforms to the surface details of the steel, permitting any stress to be …

SUMMER TRAINING FROM PWD | PPT

6. INTRODUCTION Roads constitute the most important mode of communication in areas where railways have not developed much. Development of a country depends on the connectivity of various places with adequate road …

PROJECT REPORT ON ROAD CONSTRUCTION | PDF

3. table of contents s. no. content page no. 1 public works department: an overview 4 2 introduction 4 3 what is road or pavement? 6 4 types of pavements 6 5 types of concrete pavement 7 6 minerals used 8 7 cement 9 8 sand 10 9 aggregate 10 10 proportioning 12 11 procedure to construct pavement 12 12 preparation of the sub- grade or base 3 coarse 13 13 …

Asphalt | PPT

Its main uses include making flexible pavements for roads and waterproofing buildings. The main types of bitumen are straight-run, blown, emulsion, cut-back, and plastic bitumen. - Asphalt is a mixture of bitumen and inert materials left after petroleum distillation. It is used mainly in road construction.

PPT

PowerPoint Templates; Create. Presentation; Article; Survey; ... One of the most popular schemes, demand for construction of Cement Concrete Roads in every village and every hamlet. 4.14k views • 14 slides ... Concrete for Road. 5.4. Technical Performances of Concrete. 5.1. Technical Performances of Concrete ——Introduction. 5.1. 981 views ...

Advantages And Disadvantages Of Cement …

Cement concrete has limited flexibility compared to asphalt. This lack of flexibility makes cement concrete roads more susceptible to cracking in areas with frequent temperature fluctuations or soil movement. 4. Difficulty in …