Unit 21 Geotechnics and Soil Mechanics (L/618/8101) Assignment Brief

University University Campus North Lincolnshire
Subject Unit 21 Geotechnics and Soil Mechanics (L/618/8101)

This Unit 21 Geotechnics and Soil Mechanics (L/618/8101) assignment asks HNC Construction and Civil Engineering learners to write a preliminary geotechnical design report for a road, bridge and overpass scheme around Scunthorpe train station. You examine rock types, classify soils, analyse laboratory and borehole test data, and propose design solutions for the geotechnical weaknesses on site.

Unit 21 Geotechnics and Soil Mechanics Assignment Brief

Qualification Pearson BTEC Higher National Certificate in Construction and the Built Environment (Civil Engineering)
Unit Number and Title Unit 21 Geotechnics and Soil Mechanics
Unit Code L/618/8101
Assignment Assignment 1 of 1
Assignment Title Preliminary Geotechnical Design Report: Road, Bridge and Overpass Development for the Scunthorpe Train Station Area
Centre University Centre North Lindsey
Academic Year 2024-2025
Word Count 5,000 to 5,500 words (plus or minus 10%)
Submission Individual formal report with formative and summative submissions

Vocational Scenario

North Lincolnshire Council wants to improve transport around Scunthorpe train station. The scheme aims to ease traffic flow where Station Road and Church Lane meet Oswald Road, open up access for new commercial and residential development, and improve access to the station itself.

The works involve raising Oswald Road up to the Station Road and Church Lane junction, replacing the bridge over the Scunthorpe rail line so that it links to Ashby Road, building new approaches for the overpass and providing pedestrian access. As the geotechnical engineer, you prepare a preliminary design report using the borehole records and test data supplied with the brief.

Assignment Tasks

Part 1: Geotechnical Assessment

  • Explain how the main rock types form, how they are classified and how they are used in civil engineering works.
  • Describe and classify the soils on site using current codes, covering particle size, specific gravity and plasticity.
  • Describe the site investigation and soil sampling methods used, and explain why ground investigation matters for infrastructure projects.
  • Analyse the soil properties from the test data: moisture content, density, specific gravity, shear strength, compressibility, index properties and California Bearing Ratio (CBR).

Part 2: Design Proposal

  • Identify the geotechnical weaknesses and risks found on the site.
  • Present design proposals that deal with those weaknesses for the road, bridge and overpass approaches.
  • Justify the chosen design approach using the test results and relevant standards.

Learning Outcomes and Assessment Criteria

LO1 Discuss rock types, their formation and uses

  • P1: Explain how rock types are formed and classified.
  • P2: Analyse the discontinuous nature of rock masses and the effects of weathering.
  • M1: Analyse the use of rock and uncemented sediments in construction projects.
  • D1: Evaluate case studies of problems caused by discontinuities in rock masses.

LO2 Explain soil description and classification

  • P3: Discuss soil description and classification by particle size, specific gravity and plasticity.
  • P4: Describe soil sampling and site investigation processes.
  • M2: Analyse ground and site investigation and sampling methods.
  • D2: Assess the importance of site investigation for infrastructure projects.

LO3 Analyse soil properties

  • P5: Explain the types of soil property analysis.
  • P6: Analyse moisture content, density, specific gravity, shear strength, compressibility, index properties and CBR.
  • M3: Evaluate the test results.
  • D3: Integrate the test data into the design proposals.

LO4 Produce proposals to address geotechnical weaknesses

  • P7: Identify the geotechnical issues on the site.
  • P8: Present design proposals.
  • M4: Justify the design approach.

Report Format

The report is a word-processed formal document with a front cover, contents page, introduction, sectioned main body, recommendations and conclusion, bibliography and appendices. Use accurate technical language, include diagrams or images where they help, and reference all sources in Harvard style.

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Your Unit 21 Geotechnics and Soil Mechanics (L/618/8101) report has to move from theory to design. You need to explain rock and soil classification, analyse borehole and laboratory results such as shear strength, compressibility and CBR, and then turn that data into justified design proposals for the Scunthorpe road, bridge and overpass scheme, all within 5,000 to 5,500 words. The tutors at btecassignment offer BTEC HNC assignment help with interpreting test data, structuring the report and meeting the Merit and Distinction criteria. You can compare related briefs such as Unit 19 Principles of Structural Design and Unit 34 Further Mathematics for Construction, or browse more construction assignment briefs. If you are short on time, ask us to do my BTEC assignment and get guidance tailored to your own brief.

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