Chain surveying ppt. Key steps include laying down a base ...
Chain surveying ppt. Key steps include laying down a base line and establishing a network of triangles that can be plotted and checked. If length of survey line is more than chain length then perform ranging operation 4. Chain surveying involves measuring the sides of a network of triangles to map an area without taking angular measurements. Here,. 50,2. Civil Engineering Department. Emerging contaminants are often detected in NY's waters and may have harmful effects on humans, fish and other species. The document discusses compass traversing, which involves measuring both linear distances and angular measurements between survey lines. The manual and course are intended for town, village, city, and county personnel who have field responsibilities related to highway construction and maintenance. It begins by defining land surveying and its purposes. INTRODUCTION. 0+00 2+50 4+96 5+43. Definition : Surveying is the science and art of determining the relative positions of points above, on, or beneath the earth’s surface and locating the points in the field. Lecture 4. 65,3. Additionally, it describes methods and tools for measuring distances The document discusses various obstacles encountered in chain surveying, such as rivers, hills, and buildings, along with methods to circumvent these obstacles through geometric principles. It describes different types of chains like metric chains, Gunter's chains, and engineer's chains. 0,1. in details. Proper procedures include UNIT-1: INTRODUCTION AND CHAIN SURVEYING : Definition : Principles classification – Field and office work – scales – conventional signs – survey instruments, #hellomoto | Discover our new unlocked Android phones from motorola and stay informed about our offers and promotions. Instruments for measuring angles include compasses and theodolites. CHAIN SURVEYING 1. SURVEYING I (CE- 128) COURSEPACK FOR UG * NUST Institute of Civil Engineering/Engr Muhammad Ammar – - id: 74ec33-Y2UyY The document discusses surveying, defined as the art of determining relative positions of objects on the earth's surface through measurements. Chain Surveying. This document discusses chain surveying methods. Offsets are then measured perpendicularly from the chain lines to capture points of detail on irregular boundaries. Get access to the latest Chain Surveying: Part 1 (in Hindi) prepared with GATE - Iconic Pro course curated by Er Abhishek Kumar on Unacademy to prepare for the toughest competitive exam. In this type of surveying, survey stations (main stations, tie or subsidiary stations) shall be specified carefully otherwise the outcome of the surveying process may not be accurate. It covers both plane and geodetic surveying, various measurement methods, and essential tools such as chains, tapes, and laser distance meters. The procedure involves dividing the survey area into triangles and measuring the lengths of each side. The document outlines the types and purposes of chains, including metric and non-metric chains, and details related surveying tools such as ranging rods, cross staffs Mar 17, 2019 · Accessories Processes in Chain Surveying • Ranging and Measurement of Lines • Level Ground • Uniformly Sloping Ground • Uneven Ground Level Ground Rod Rod A A1 A2 A3 A4 B Stationing Along Baseline: stations At right angle: offset dist. 100% editable. Make your decisions clear and turn information into actionable insight using the right minds from our expert network. TANDON for the civil engineering students. 60,3. Chain 3. Survey stations are established at important points and include main stations and subsidiary stations. It then describes the two main methods of surveying - triangulation and traversing. Learn about station adjustment, figure adjustment, triangle adjustment, and adjustment of braced quadrilaterals in surveying. Surveying Lecture 1 The following pdf lecture is created by GAURAV. Fundamental principles include working from whole to part and locating points by at least two measurements. Other instruments mentioned include arrows, ranging rods, offset rods, laths, whites, pegs The document provides an overview of chain surveying, detailing linear measurement methods using chains and tapes. It is a basic course for all universities for civil engineers. Tools and equipments required include chain, tape, ranging rod, arrows and, sometimes, a cross staff. When the line to be measured has a smaller length compared to the chain, then the measurement goes smooth. It is the technique, profession, and science of accurately determining the terrestrial or three-dimensional position of points and the distances and angles between them. The technique relies on triangulation, dividing the area into triangles for accurate measurement, and involves specific operations such as chaining, ranging, and offsetting. The document provides an overview of surveying, detailing definitions, classifications, types, techniques, and instruments used in civil engineering. These rings provide the fle… Surveying Lecture Notes PDF Surveying is a very important part of Civil Engineering. It discusses types of surveying, classifications based on nature, methods, instruments, and purposes, emphasizing the Surveying is classified based on whether it considers Earth's curvature (geodetic vs plane surveying) and the instruments used, such as chain surveying, triangulation, traversing, and leveling. This presentation may take the form of written report, bills of quantities, datasheets, drawings and in land surveying maps and plan showing the features on the land. There are two types of traverses: closed traverses that return to the starting point, and open traverses that extend without closing. GLG is the World’s Insight Network. CHAIN SURVEYING CHAIN TAPES RANGING RODS METHODS USED IN CHAIN SURVEYING PRINCIPLE OF CHAIN SURVEYING SELECTION OF CHAIN SURVEYING OFFSETS ERRORS TYPES OF ERRORS SOURCE OF ERRORS. The document provides an overview of linear measurement techniques in chain surveying, detailing various methods and instruments used, including chains and tapes. Discover operational tips and instruments like EDM and optical range finders. e- Clinometer & Abney level: used to measure the inclination angle of slope lines. Here in we have gathered some pdf lectures on surveying. Additionally, methods for measuring distances on sloped Chain survey is the simplest and commonest method used in surveying exercises. Angular measurements are taken using The document outlines a comprehensive syllabus for a surveying course, detailing essential concepts, principles, and methodologies used in surveying, including measurement techniques, types of surveys, and instruments used. Chain surveying is a method of surveying that measures distances directly in the field without taking angular measurements, utilizing instruments like chains and tapes for various tasks such as determining area and boundaries. UNIT-1: INTRODUCTION AND CHAIN SURVEYING : Definition : Principles classification – Field and office work – scales – conventional signs – survey instruments, SURVEYING I (CE- 128) COURSEPACK FOR UG * NUST Institute of Civil Engineering/Engr Muhammad Ammar – - id: 74ec33-Y2UyY COMPASS SURVEYING. It discusses what surveying is, the objectives and various types of surveys classified by purpose or instruments used. Chain surveying involves measuring linear distances to survey an area. Example: series of offsets were taken from a chain line to an boundary , interval of 15 m , in the following order. Chain surveying is suitable for small areas with few details. Chaining Obstacles Vision is obscured, Chaining is Possible Vision Possible, Chaining is Obscured Both of Vision and Chaining are Obscured. 70,4. In theodolite survey the horizontal angles are measured with the theodolite more precisely than compass and the linear measurements are made with a chain or tape. We hope students all over the world will find it helpful. Plane table surveying involves simultaneously conducting fieldwork and plotting on a drawing board equipped with a ball and socket leveling arrangement. Presentation of Data: The data collected in any survey must be presented in a form which allows the information to be clearly interpreted and understood by others. 12 25 26 Length AB = 4 x Full tape distance + 1 Short section REMEMBER ! This document discusses the topic of chain surveying for a civil engineering class project. What is the fundamental difference between surveying and leveling? In surveying the measurements are taken in horizon We offer a great collection of Free Chain Google Slides Themes and PowerPoint Templates for all your presentation needs, including images. A survey is used to collect information about COMPASS SURVEYING. this is the civil engineering channel in Bengali language #civil_engineering_bangla #survey #chainsurvey English civil engineering channel link - / @soumyadeephalder_vlog intro 0:00 type of chain Chain survey is not suitable in the following condition Area to survey to large Ground is quite UN – even Area is crowded Details the shows are to many. 85m Compute the area by trapezoidal rule. we'll discuss its procedure, principles, precautions, etc. Fix station points and intermediate points if required, stretch the chain between two station points, leader pulls the chain and fixes arrows at the end of each and every chain length. Surveying is the art of determining the relative position of the points on, above, or below the earth's surface. Economic Survey 2025-2026 Economic Survey List of Tables & Charts Statistical Appendix आर्थिक समीक्षा सांख्यिकी परिशिष्ट Explore surveying chains, odometer wheels, range finders, hand levels, rods, levels, and total stations for precise distance measurements in civil engineering. Surveying. Chain surveying uses basic instruments like chains, arrows, pegs, ranging rods, and plumb bobs to determine relative positions and measure horizontal distances between objects on Earth's surface. This manual provides basic concepts about surveying and is intended for use in the training course Surveying Methods for Local Highway Agencies. Key aspects of chain surveying covered include survey stations, base lines, check lines Jan 8, 2020 · SUBJECT: SURVEYING-1 CHAIN SURVEY. Understand the geometric and trigonometric conditions for accurate angle adjustments. Arrows are inserted into the ground to mark points after chain measurements. Because of its ease of use, it is used during reconnaissance survey as a quick method of surveying to get a rough idea in the location to be surveyed. Chain surveying can be used when the area to be surveyed is comparatively is small and is fairly flat. Chain surveying is introduced as a simpler method that uses triangulation but measures sides directly without angles. The document outlines a comprehensive syllabus for a surveying course, detailing essential concepts, principles, and methodologies used in surveying, including measurement techniques, types of surveys, and instruments used. Krishnakumar in the civil engineering department, detailing its outcomes and objectives, including concepts of measuring areas, angles, and distances using various surveying methods and instruments. Primary divisions of surveying: 1. Additionally, it covers fieldwork preparation and office work for data plotting and interpretation. Survey lines connect the stations and the longest line is called the base line. A telescopic alidade can take inclined sights to increase range and accuracy. 2 nd Semester 2007/2008. This article includes the definition of chain survey along with all detailed information with necessary images about various aspects of chain surveying. It also discusses tapes used for measuring distances like cloth tapes, steel tapes, and invar tapes. It provides definitions of chain surveying, noting that it involves measuring linear distances between survey stations to divide an area into triangles without taking angular measurements. It also describes principles of surveying such as working from whole to part. 2 nd Semester 2009/2010. Chain and Compass Survey: In this survey linear measurements are made with a chain or a tape and angular measurements with a compass. Errors in Chaining. Chain surveying involves only linear measurements and no angular measurements. Understand the importance of accuracy, corrections needed, and factors influencing the choice of method. Geodetic Surveying. Discover the significance of environment, expertise, and regulations in selecting the best measuring Ranging Out Survey Lines While measuring the survey lines, the chain or the tape has to be stretched along the survey line along that joins two terminal stations. 2 m & known to be 612 m find actual length of chain 17:43 Ranging & Obstacles during chain survey 24:27 Correction of chain Chain survey is not suitable in the following condition Area to survey to large Ground is quite UN – even Area is crowded Details the shows are to many. It is suitable for small, level, and open areas but not for large, undulating - Download as a PPT, PDF or view online for free Faculty of Applied Engineering and Urban Planning. Blunders. Types of Errors: Blunders Systematic Random Errors. Lecture 8. Chain surveying is a fundamental method of surveying that involves measuring linear distances on the field, primarily used for small areas to determine boundaries and locate features. There are different types of surveying equipment used in civil engineering such as Chain, Theodolite, dumpy level, cross-staff, plane table, ranging road, measuring tapes, etc. This document describes the process of chain surveying. It introduces surveying as the science of determining positions on the earth's surface, discusses types of surveying, measurement errors, and essential surveying principles. It outlines various types of maps produced from surveying, the classifications of surveying based on methods and instruments, and the two main types: plane and geodetic surveying. Orientation is achieved through resection or backsight methods Chain Surveying | Definition, Details, Procedure Chain survey/surveying is a very old method of Surveying. Techniques include drawing perpendiculars, using parallel lines, and reciprocal ranging to establish accurate measurements despite obstructions. Chain surveying involves dividing the survey area into a network of triangles. Key aspects include: - Distances are directly measured between stations using a chain or tape, with no angular measurements - The area is divided into a network of triangles connected by measured sides - Instruments include The document outlines the course '19CECN1303 - Surveying' offered by S. Types of Surveying Chain Surveying Plane Table Surveying Photographic Surveying Compass Surveying Theodolites Modern Surveying Topic of Presentation What is done in Chain Surveying? In Chain surveying involves measuring distances between stations using a chain or tape. Plane Table Survey: It is a graphical method of surveying in which field works and plotting both are done Presentation on surveying techniques, instruments, leveling, contouring, theodolites, and tacheometric surveying for civil engineering students. It introduces the topic and objectives of the presentation. Chain Surveying Part V: Errors. The chain is the primary instrument and is made of steel links used to directly measure distances. This document provides an overview of surveying and leveling. The key instruments used are an engineer's chain and field book. 1) Chains 2) Tapes 3) Arrows 4) Ranging Rods and Offset Faculty of Applied Engineering and Urban Planning. An alidade, which is a ruler with a fiducial edge and sighting frames, is used to draw lines of sight. It explains the principles of chain surveying, emphasizing the importance of triangulation, and outlines essential terms like survey stations and survey lines. Additionally, it describes different types of chains and tapes, their Chain Surveying. Unit 2: Chain Surveying Topics covered Different methods for linear measurement, instruments for chaining Different types of Chains/Tapes Ranging - Direct, Indirect, chaining on sloping ground Chain surveying: survey station, survey line, locating the ground features with the help of offsets. Offsets are lateral measurements taken from survey lines to locate details 3. But when the area is large , undulating and crowded with many details , triangulation (which is the principle of chain survey) is not possible. These links are joined by 3 circular or oval wire rings. It discusses: 1) The definitions, classifications, instruments, and methods used in surveying like chain surveying, compass surveying, plane table surveying, and total station surveying. Index. H . Do you want to learn about chain surveying? If yes, then you are at right place. Learn about Chain Surveying as a direct method of linear measurement, procedures and basic terms, types of chains and tapes, errors occurs and corrections required The length of line measured by means of 20m Chain Was found to be 610. Faculty of Applied Engineering and Urban Planning. - Download as a PDF, PPTX or view online for free This document provides an overview of surveying concepts and techniques. Civil engineering deals specifically with designing and constructing physical and natural built environments like roads, buildings, airports, tunnels, dams, and bridges. Content. Introduction. Plane Surveying 2. 95,4. Measurement of distances can be done directly using chains, tapes or indirectly using pacing. Potential errors include issues The document discusses the procedure for chain surveying. It then outlines the key principles and terms of chain surveying, such as defining main stations, subsidiary Compass survey: In compass survey, the angles are measured with the help of a magnetic compass. Only linear measurements are taken between stations to form a network of triangles. What are surveying instruments and how do you use them? A surveyor uses surveying instruments to make precise measurements. Conditions for its suitability include This document provides an overview of chain surveying. . Bearings are specified using either whole circle bearings This document discusses various topics related to surveying including: the objectives and processes involved in surveying like decision making, fieldwork, data processing, mapping, and stakeout; different types of surveys like plane, geodetic, topographic, route, hydrographic, land, and military surveys; instruments used like theodolites, tacheometers, planes tables, and compasses; and Engineering is the application of scientific and economic principles to design and build machines, structures, and other items, including bridges, roads, vehicles, and buildings. It explains various instruments used in surveys, types of chains, and techniques for ranging and measuring on different terrains. Ranging rods and plumb This document discusses various instruments used for chaining and measuring distances in surveying. 2) The objectives of surveying which include preparing maps, plans and transferring details to mark locations on the ground for Chain-survey. Learn about the principles and methods for measuring distances in surveying, including direct methods like pacing and odometer readings, as well as equipment such as chains and tapes. Information on how to stay safe during public health emergencies. Plane surveying does not take into account the curvature of the earth’s surface, and the surface of the earth is treated as a plane surface. Introduction to Surveying. After participating in this fieldwork students will become more comfortable with handling chain and ranging rods. The work of the surveyor consists of 5 phases:. Here the following The document outlines a surveying course offered at Sokoine University of Agriculture, detailing its structure, learning outcomes, course content, practicals, assessment methods, and references. Chains are the measuring instrument used in surveying formed by the 100 links of 4mm galvanized mild steel wire. Mistakes caused by human carelessness Omitting Measurement Equipment Used in Chain Surveying * b- Arrows: 40cm long & 3- 4 mm in diameter c- Pegs: wooden (square or circular cross-section) & steel * Equipment Used in Chain Surveying d- Plumb Bob: a metallic cone object used to erect vertical lines. ppt [pqn8wyv8q1n1]. Additionally, it describes SURVEYING. a5cxj, cmm9c, lqniyg, l026, jvdeu, 0pjv, 79myfg, lcpopg, kyi4e, 7cszp,