Name: closed traverse angle checks
Uploaded: 2025-03-26T15:20:29.000Z
Duration: 1 min 25 s
Channel: JoVE

ضع في اعتبارك اجتياز مغلق بأربعة رؤوس. يتم إعطاء سمت الجانبين ومحامل الجانبين الآخرين. الهدف هو إيجاد الزاوية الداخلية عند كل رأس من الاجتياز.  أولا ، يتم حساب الزاوية عند A بطرح 50 درجة ، سمت AB ، و 75 درجة ، زاوية تحمل DA ، من 180 درجة ، مما ينتج عنه 55 درجة. بعد ذلك ، يتم حساب الزاوية عند B بطرح 120 درجة ، سمت BC ، من 180 درجة وإضافة 50 درجة ، سمت AB ، مما ينتج عنه 110 درجة. عند C ، يتم حساب الزاوية بطرح 20 درجة ، زاوية تحمل CD ، من 120 درجة ، سمت BC ، مما ينتج عنه 100 درجة. أخيرا ، يتم حساب الزاوية عند D بإضافة 75 درجة ، زاوية تحمل DA ، إلى 20 درجة ، زاوية تحمل CD ، مما ينتج عنه 95 درجة. للتحقق من الدقة ، يتم حساب مجموع جميع الزوايا الداخلية ، والذي يتضح أنه 360 درجة ، مما يشير إلى صحة الزوايا الداخلية.

مثال على التصميم: حسابات زاوية اجتياز

تعد حسابات زاوية الاجتياز مكونا مهما في المسح ، وتستخدم لحساب الزوايا الداخلية داخل اجتياز مغلق. يتكون الاجتياز من سلسلة من الخطوط المتصلة التي تشكل حلقة مغلقة ، وغالبا ما تستخدم لترسيم الحدود البرية أو رسم الخرائط. يضمن حساب الزوايا الداخلية الدقة في هندسة الاجتياز وهو ضروري للتحقق من سلامة بيانات المسح. تبدأ العملية بسمت ومحامل معروفة لجوانب الاجتياز. يتم حساب الزوايا الداخلية في كل رأس من خلال تطبيق العلاقات الأساسية في الهندسة ، عادة باستخدام طرح أو جمع زوايا معينة من 180 درجة ، اعتمادا على اتجاه الجوانب. على سبيل المثال ، يتم تحديد الزاوية الداخلية عند الرأس من خلال الفرق بين السمت أو المحمل بين جانبين متجاورين. بعد حساب الزوايا الفردية ، يتم التحقق من مجموعها مقابل الإجمالي المتوقع لاجتياز مغلق. بالنسبة للاجتياز رباعي الأضلاع، يجب أن يساوي مجموع الزوايا الداخلية 360 درجة. يؤكد هذا الفحص إغلاق الاجتياز ودقة قياسات الزاوية. يتم تطبيق حسابات زاوية الاجتياز على نطاق واسع في المسح الميداني وتخطيط البناء والمشاريع الجيوديسية ، مما يضمن الدقة في إنشاء الخرائط والحدود والتصاميم الهندسية.

Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a ...

design-example-traverse-angle-computations

Education

JoVE Core

Civil Engineering

الهندسة المدنية

Unit 1

الوحدة الأولى

Angles and Directions

الزوايا والاتجاهات

KEY TERMS AND CONCEPTS

المصطلحات والمفاهيم الأساسية

Design Example: Traverse Angle Computations

closed traverse angle checks

Closed traverse angle checks are used in surveying to calculate the internal angles inside a closed loop. A traverse is a set of connected lines that return to the starting point. Surveyors use it for land boundary mapping and other layout work.

The process starts with known azimuths and bearings for the traverse sides. An azimuth is a direction measured from north, and a bearing shows the direction of a line in simple survey terms. Internal angles at each vertex are then found with basic geometry, often by adding or subtracting angle values from 180 degrees based on how the sides are oriented.

Each angle is computed from the relationship between two adjacent sides. In practice, the angle at one vertex comes from the difference between the azimuth or bearing of those sides. After all angles are found, the total is checked against the expected sum for a closed traverse.

For a four-sided traverse, the internal angles should add up to 360 degrees. This total confirms that the traverse closes properly and helps show whether the angle measurements are accurate. These computations are important in field surveying, construction layout, and geodetic projects, where precise boundaries and maps are needed.

Closed Traverse Angle Checks

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design example: traverse angle computations

Closed traverse angle checks are used in surveying to calculate the internal angles inside a closed loop. A traverse is a set of connected lines that return to the starting point. Surveyors use it for land boundary mapping and other layout work. The process starts with known azimuths and bearings for the traverse sides. An azimuth is a direction measured from north, and a bearing shows the direction of a line in simple survey terms. Internal angles at each vertex are then found with basic...

key terms and concepts

Learn how surveyors calculate internal angles in a closed traverse, check for closure, and verify accuracy in mapping, boundary, and layout work.

Closed Traverse Angle Checks | JoVE K12

JoVE Core Civil Engineering provides a foundational exploration of essential construction materials in civil engineering, focusing on bricks, stones, steel, wood, and concrete through easy-to-understand animated videos. This collection covers the properties, manufacturing processes, and practical applications of these materials. Additionally, the accompanied science-in-action videos demonstrate the research experiments performed in laboratories.

civil engineering

Closed Traverse Angle Checks

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