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Saturday, November 7, 2020
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Saturday, October 10, 2020
Method for estimation of fire demand
Method for estimation of fire demand
There are two methods for the estimation of fire demand.
- National board of fire under writers formula.
- Insurance service office formula.
Determination of fire demand considers construction, occupancy, exposure and communication of each building.
The process of fire fighting water requires consideration of a number of points. These are:
- Cost
- Reliability
- Quality of water
- Water demand i.e. flow rate, storage and available pressure
- Process for access via fire hydrants
Cost
Although water is inexpensive and readily available, itís processing and distribution carries a significant cost in terms of infrastructure cost. The main component of this cost is in the capital works required to filter and sterilise the raw water supply and
produce a potable water supply.
Reliability
The use of alternative supplies such as ponds, streams and swimming pools is common in rural areas where reticulated supplies do not exist.
Quality
The quality of water required for fire-fighting purposes is much lower that that required for human consumption and hence it is appropriate to consider other alternative water supplies to supplement large reticulated supplies. With the development of rainwater storage and ìgrey waterî storage the ability exists to make this supply available for fire fighting purposes. Another potential source of fire fighting water is from the runoff collection tanks.
Access
The normal method of gaining access to a reticulated supply is via in ground hydrants. These are spaced at regular intervals along public roads in accordance with either a spacing or area requirement
Wednesday, September 30, 2020
40 Seminar/Project Topics in Structural Engineering
40 Seminar/Project Topics in Structural Engineering
- Pushover analysis – cyclic loading, deterioration effect in RC Moment Frames in pushover analysis
- Rehabilitation – Evaluation of drift distribution
- Analysis of large dynamic structure in environment industry
- Theoretical study on High frequency fatigue behavior of concrete
- Seismic analysis of interlocking blocks in walls
- Estimation of marine salts behavior around the bridge structures
- A comparative study on durability of concrete tunnels undertaken in AP irrigation projects
- Prefabricated multistory structure, exposure to engineering seismicity
- Shape optimization of Reinforced underground tunnels
- Properties of Fiber Cement Boards for building partitions
- Behavior of RC Structures subjected to blasting
- The use of green materials in the construction of buildings
- Finite element model for double composite beam
- A new composite element for FRP Reinforced Concrete Slab
- Effect of shear lag on anchor bolt tension in a base plate
- Elastic plastic bending, load carrying capacity of steel members
- FE Analysis of lateral buckling of a plate curved in nature
- Green energy and indoor technologies for smart buildings
- Building environmental assessment methodology
- Numerical study on strengthening of composite bridges
- Strengthening effect for RC member under negative bending
- Effect of negative Poisson’s ratio on bending of RC member
- Macroeconomic cause within the life cycle of bridges
- Long term deflections of long-span bridges
- Structural damage detection in plates using wavelet theories (transforms)
- Hybrid Simulations: Theory and Applications
- Engineered Wood in Cold Climate
- Mechanical Properties and Engineering Application of Modern Timber
- Hybrid Structural Systems and Innovation Design Method
- Design of Reinforced Concrete Block Masonry Basement
- Nonlinear Analysis of a New 3D Skip-Floor Staggered Shear Wall Structure
- Advances in Civil Infrastructure Engineering
- Mechanical Performance of an Irregular Kiewitt Dome Structure
- Shear Distribution Coefficient Study under Horizontal Force
- Structural Damage Identification Method and Program Designing Based on Statistical Analysis
- Prescriptive or Performance Design for Fire?
- Deflection Control by Design
- New Code Provisions for Long Term Deflection Calculations
- Retrofitting and Repairing with composite materials
- Epoxy Coated Reinforcement and Crack Control
Sunday, September 27, 2020
GATE 2021.
- Dates of examination: Friday 5th, Saturday 6th, Sunday 7th, Friday 12th, Saturday 13th and Sunday 14th February, 2021. There are two sessions (forenoon and afternoon) each day.
- Fully Computer Based Test (CBT).
- Two NEW subject papers are introduced:
- ES (Environmental Science and Engineering)
- XH (Humanities and Social Sciences) in Economics / English / Linguistics / Philosophy / Psychology / Sociology.
- Total number of subject papers: 27
- Syllabi of all subject papers have been revised for GATE 2021.
- All Test Papers of GATE 2021 will be entirely objective type.
The pattern of questions will include some Multiple Choice Questions (MCQ), while the remaining questions may include Multiple Select Questions (MSQ) and/or Numerical Answer Type (NAT) questions.
ESE exams syllabus for civil engineering
Syllabus for ESE
Standard & Syllabi
Section-III
The standard of paper in General Studies and Engineering Aptitude (Preliminary Stage-I Examination) will be such as may be expected of an Engineering/Science Graduate. The standard of papers in other subjects will approximately be that of an Engineering Degree Examination of an Indian University. There will be no practical examination in any of the subjects.
General Studies and Engineering Aptitude (Preliminary Examination/Stage-I, Paper I, Objective type, Common to all Candidates)
1. Current issues of national and international importance relating to social, economic and industrial development
2. Engineering Aptitude covering Logical reasoning and Analytical ability
3. Engineering Mathematics and Numerical Analysis
4. General Principles of Design, Drawing, Importance of Safety
5. Standards and Quality practices in production, construction, maintenance and services
6. Basics of Energy and Environment: Conservation, environmental pollution and degradation, Climate Change, Environmental impact assessment
7. Basics of Project Management
8. Basics of Material Science and Engineering
9. Information and Communication Technologies (ICT) based tools and their applications in Engineering such as networking, e-governance and technology based education.
10. Ethics and values in Engineering profession.
Note: The paper in General Studies and Engineering Aptitude will include Knowledge of relevant topics as may be expected from an engineering graduate, without special study. Questions from all the 10 topics mentioned above shall be set. Marks for each Topic may range from 5% to 15% of the total marks in the paper.
Civil Engineering
Contents for syllabi of both the Papers together for Preliminary Examination/Stage-I (objective type Paper-II) and separately for Main/Stage-II Examination (Conventional type Paper-I and Paper-II).
PAPER – I
1. Building Materials:
Stone, Lime, Glass, Plastics, Steel, FRP, Ceramics, Aluminum, Fly Ash, Basic Admixtures, Timber, Bricks and Aggregates: Classification, properties and selection criteria;
Cement: Types, Composition, Properties, Uses, Specifications and various Tests; Lime & Cement Mortars and Concrete: Properties and various Tests; Design of Concrete Mixes: Proportioning of aggregates and methods of mix design.
2. Solid Mechanics:
Elastic constants, Stress, plane stress, Strains, plane strain, Mohr’s circle of stress and strain, Elastic theories of failure, Principal Stresses, Bending, Shear and Torsion.
3.Structural Analysis:
Basics of strength of materials, Types of stresses and strains, Bending moments and shear force, concept of bending and shear stresses; Analysis of determinate and indeterminate structures; Trusses, beams, plane frames; Rolling loads, Influence Lines, Unit load method & other methods; Free and Forced vibrations of single degree and multi degree freedom system; Suspended Cables; Concepts and use of Computer Aided Design.
4. Design of Steel Structures:
Principles of Working Stress methods, Design of tension and compression members, Design of beams and beam column connections, built-up sections, Girders, Industrial roofs, Principles of Ultimate load design.
5. Design of Concrete and Masonry structures:
Limit state design for bending, shear, axial compression and combined forces; Design of beams, Slabs, Lintels, Foundations, Retaining walls, Tanks, Staircases; Principles of pre-stressed concrete design including materials and methods; Earthquake resistant design of structures; Design of Masonry Structure.
6. Construction Practice, Planning and Management:
Construction - Planning, Equipment, Site investigation and Management including Estimation with latest project management tools and network analysis for different Types of works; Analysis of Rates of various types of works; Tendering Process and Contract Management, Quality Control, Productivity, Operation Cost; Land acquisition; Labour safety and welfare.
PAPER – II
- Flow of Fluids, Hydraulic Machines and Hydro Power:
(a) Fluid Mechanics, Open Channel Flow, Pipe Flow:
Fluid properties; Dimensional Analysis and Modeling; Fluid dynamics including flow kinematics and measurements; Flow net; Viscosity, Boundary layer and control, Drag, Lift, Principles in open channel flow, Flow controls. Hydraulic jump; Surges; Pipe networks.
(b) Hydraulic Machines and Hydro power -
Various pumps, Air vessels, Hydraulic turbines – types, classifications & performance parameters; Power house – classification and layout, storage, pondage, control of supply.
2. Hydrology and Water Resources Engineering:
Hydrological cycle, Ground water hydrology, Well hydrology and related data analysis; Streams and their gauging; River morphology; Flood, drought and their management; Capacity of Reservoirs.
Water Resources Engineering : Multipurpose uses of Water, River basins and their potential; Irrigation systems, water demand assessment; Resources - storages and their yields; Water logging, canal and drainage design, Gravity dams, falls, weirs, Energy dissipaters, barrage Distribution works, Cross drainage works and head-works and their design; Concepts in canal design, construction & maintenance; River training, measurement and analysis of rainfall.
3. Environmental Engineering:
(a) Water Supply Engineering:
Sources, Estimation, quality standards and testing of water and their treatment; Rural, Institutional and industrial water supply; Physical, chemical and biological characteristics and sources of water, Pollutants in water and its effects, Estimation of water demand; Drinking water Standards, Water Treatment Plants, Water distribution networks.
(b) Waste Water Engineering:
Planning & design of domestic waste water, sewage collection and disposal; Plumbing Systems. Components and layout of sewerage system; Planning & design of Domestic Waste-water disposal system; Sludge management including treatment, disposal and re-use of treated effluents; Industrial waste waters and Effluent Treatment Plants including institutional and industrial sewage management.
(c) Solid Waste Management:
Sources & classification of solid wastes along with planning & design of its management system; Disposal system, Beneficial aspects of wastes and Utilization by Civil Engineers.
(d) Air, Noise pollution and Ecology:
Concepts & general methodology.
4. Geo-technical Engineering and Foundation Engineering :
(a) Geo-technical Engineering:
Soil exploration - planning & methods, Properties of soil, classification, various tests and interrelationships; Permeability & Seepage, Compressibility, consolidation and Shearing resistance, Earth pressure theories and stress distribution in soil; Properties and uses of geo-synthetics.
(b)Foundation Engineering:
Types of foundations & selection criteria, bearing capacity, settlement analysis, design and testing of shallow & deep foundations; Slope stability analysis, Earthen embankments, Dams and Earth retaining structures: types, analysis and design, Principles of ground modifications.
5. Surveying and Geology:
(a) Surveying:
Classification of surveys, various methodologies, instruments & analysis of measurement of distances, elevation and directions; Field astronomy, Global Positioning System; Map preparation; Photogrammetry; Remote sensing concepts; Survey Layout for culverts, canals, bridges, road/railway alignment and buildings, Setting out of Curves.
(b) Geology:
Basic knowledge of Engineering geology & its application in projects.
6. Transportation Engineering:
Highways - Planning & construction methodology, Alignment and geometric design; Traffic Surveys and Controls; Principles of Flexible and Rigid pavements design.
Tunneling - Alignment, methods of construction, disposal of muck, drainage, lighting and ventilation.
Railways Systems – Terminology, Planning, designs and maintenance practices; track modernization. Harbours – Terminology, layouts and planning.
Airports – Layout, planning & design.
IES Exam Pattern
Section I
1. The examination shall be conducted according to the following plan:—
- Stage-I: Engineering Services (Preliminary/Stage-I) Examination (Objective Type Papers) for the selection of candidates for the Stage-II: Engineering Services (Main/Stage-II) Examination;
- Stage-II: Engineering Services (Main/Stage-II) Examination (Conventional Type Papers) and
- Stage-III: Personality Test
Sunday, September 13, 2020
hygiene motivation thory
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Control of Seepage Flow When the general ground as well as the impervious strata below are slopping, seepage flow is likely...
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Jayakar Committee and the Recommendations otor vehicles. The After the first World War, motor vehicles using the roads a better road netwo...