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Civil Engineering Materials and Construction Practices
  POSTAL COACHING AMIE SECTION-BCIVIL ENGINEERINGCV403 CIVIL ENGINEERING MATERIALSANDCONSTRUCTION PRACTICES STUDY MATERIASRESILIENT-TUTORIALS OPPOSITE POST OFFICE,OUTSIDE SHERAN WALA GATE,PATIALA- 147 001 (PB) INDIAP! #$ 017%-&3'4&%3E*+$ #*+*# ./..!*+2*+/!   AMIE  CV403 CIVIL ENGINEERING MATERIALS AND CONSTRUCTION PRACTICES AMIE SECTION-B0101&017 GROUP-A UNIT-I INTRODUCTION TO CIVIL ENGINEERING MATERIALS 1/0I .!5.*! .! C*6*+ E 2* ##* 2 M.#*+1/1H*.!*+ P##.*6#1/&S.! #1/3T*8#1/4C## .1/%S.##+1/'P+.*1/7C! #.#/&/0E 2* ##* 2 P!#.*# !9 M.#*+&/1D# *.:&/&S.# 2. (C!#*6#, .# *+#, 9+#;+, #, #./)&/3M!5+ !9 #+.**.:&/4F.*2#&/%L**.&/'C##&/7S* <2#&/=R#+;.*! &/>P##8*+*.:&/10F*# #*. #/3/0M.#*+  5 E 6*! # .3/1 #99#. !9 # 6*! # . ! .#*+/4/0C+*9*.*! !9 # 6*! # .4/1T##.#4/&H*5*.:4/3R* 4/4F*#/ &? RESILIENT-TUTORIALS  UNIT I INTRODUCTION TO CIVIL ENGINEERING MATERIALS AMIE SECTION-B0101&017 1/0 I .!5.*! .! C*6*+ E 2* ##* 2 M.#*+ Civil engineering consists of the design, construction, maintenance, inspection, and management of characteristically diverse public works projects, from railroads to high-rise buildings to sewage treatmentcenters. Their construction may be under or above ground, offshore or inland, over mile-deep valleys or flatterrains, and upon Rocky Mountains or clayey soils. The thought that all these creative efforts are made possible through the marvelous innovative spirits of civil engineers is in itself comforting and appealing, aswell as challenging for prospective civil and construction engineers. The gigantic achievements of the paststand as a flashing beacon to promote the potential of civil engineering.lthough the profession of civil engineering per see is of fairly recent srcin, the work of civilengineering is as old as humankind. The most ambitious and historically significant projects throughout thehistory of civili!ation were accomplished to satisfy the fundamental human needs for transportation, water,shelter, and disaster control nonetheless, the systematic approach to planning for the community s future, bytraining young minds professionally in all facets of civil engineering, is #uite new.Civil engineering is related to the civil structure ranging from buildings to bridges, undergroundreservoirs to overhead ones, docks and herbours to airports, roads, water supply, sewerage and drainage,canals and tube wells. These structures are designed, constructed, supervised and then maintained by civilengineers who have e$pertise in their respective fields. The ones who are primarily concerned with thedesign of structures are the structural engineers and ones who are associated with construction, supervisionand maintenance are the construction or field engineers. The civil engineers come across various types of materials in their day to day practice. This necessitates the knowledge of materials i.e., their properties,storage and uses they can be put to etc.n engineering structure is the composition of various material depending on its use, location, climateand aesthetic considerations, etc. this demands a wide range of materials of different properties such asstrength, durability, impermeability and thermal insulation. Therefore, the #uality and effectiveness of materials used in the building construction and their storage are important while planning, designing, andconstructing any building.%ue to the great diversity in the usage of buildings and installations and the various processes of  production, a great variety of re#uirements are placed upon civil engineering materials calling for a verywide range of their properties& strength at low and high temperatures, resistance to ordinary water and seawater, acids and alkalis etc. lso, materials for interior decoration of residential and public buildings,gardens and parks, etc. should be, by their very purpose, pleasant to the eye, durable and strong. 'pecific properties of civil engineering materials serve as a basis for subdividing them into separate groups. (or e$ample, mineral binding materials are subdivided into air and hydraulic-setting varieties. The principal properties of civil engineering materials predetermine their applications. )nly a comprehensive knowledgeof the properties of materials allows a rational choice of materials for specific service conditions.The importance of standardi!ation cannot be over emphasi!ed. *t re#uires the #uality of materials andmanufactured items to be not below a specific standard level. +owever, the importance of standardi!ation isnot limited to this factor alone, since each revised standard places higher re#uirements upon the productsthan the preceding one, with the effect that the industry concerned has to keep up with the standards andimproved production techni#ues. Thus, the industry of civil engineering materials gains both in #uantity and#uality, so that new, more efficient products are manufactured and the output of conventional materials isincreased.To develop products of greater economic efficiency, it is important to compare the performance of similar kinds of materials under specific service conditions. $penditures for running an installation can beminimi!ed by improving the #uality of civil engineering materials and products. uilding industryeconomists are thus re#uired to have a good working knowledge, first, of the civil engineering materials,second, of their optimum applications on the basis of their principal properties, and, third, of their manufacturing techni#ues, in order that the buildings and installations may have optimum engineering,economic performance and efficiency. +aving ac#uired ade#uate knowledge, an economist speciali!ing inconstruction becomes an active participant in the development of the building industry and the manufactureof civil engineering materials 3? RESILIENT-TUTORIALS  CV403 CIVIL ENGINEERING MATERIALS AND CONSTRUCTION PRACTICES AMIE SECTION-B0101&017 part from naturally occurring materials like clay, sand, stone and wood, many synthetic andcomposite products are e$tensively used as civil engineering materials nowadays. ach material has its ownmerit and demerit. Therefore, before selecting the material one should understand the properties whichwould satisfy the functional re#uirements. The decision will depend on basic issues like physical,mechanical, and metallurgical properties including their cost, availability, appropriateness, and symbolism.roadly, civil engineering materials can be classified as&i/ S!+*5 .#*+$  'uch as stone, bricks, coarse aggregate, fine aggregate, steel and timber etc.ii/ C## .*.*!$  'uch as cement, lime etc.iii/ P!.#.*6# .#*+$  'uch as paints, varnishes, etc. andiv/ O.#  *++: .#*+  5 9*..* 2/ 1/1 H*.!*+ P##.*6#$ 4? RESILIENT-TUTORIALS
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