Summer internship at patel infrastructure
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This 3 sentence summary provides the key details about the internship: The internship took place from June 2-15, 2019 at a construction site in Sathana, Ajmer, Rajasthan where the intern participated in various soil, concrete, aggregate and bitumen tests to understand material properties and conducted on-site road construction activities including earthwork, constructing granular sub-base and a water bound macadam base course layers, and observed bridge girder construction.
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Water bound macadam (WBM) is a flexible type of road made of crushed stone aggregates, screenings and binding materials mixed with water. The aggregates are mechanically interlocked during rolling. WBM roads are constructed in layers 7.5-10 cm thick with a camber to allow for drainage. Common materials used are crushed stone, brick or slag aggregates, with screenings and binding materials like limestone dust filling voids between aggregates. Construction involves spreading aggregates, rolling for compaction, adding screenings, sprinkling water and rolling until the layers are fully compacted and set. While initial construction costs are low using local materials, WBM roads require high maintenance and have a shorter lifespan than other pavement types.
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Soil exploration part i
The document discusses various methods of soil exploration including borings, test pits, and geophysical methods. It describes the objectives of soil exploration as determining the suitable foundation type, bearing capacity, and other factors. The key methods discussed are displacement boring, wash boring, auger boring, rotary drilling, percussion drilling, and continuous sampling boring. Each method is explained along with its suitable soil conditions, advantages, and limitations.
Presentation of 5_weeks_summer_training_,dept
Hari Bhakta Sharma presented on their 5 week summer training project with the Department of Civil Engineering at Lovely Professional University. The project involved the four laning of NH75E from KM 82+400 to KM 195+800 in Madhya Pradesh. The presentation covered the need for highway construction, planning surveys, different types of earthworks used in the project including embankments and subgrading, and the various pavement layers constructed. Testing was performed on materials to check their suitability for the project.
Introduction of Concrete.pdf
Introduction of Concrete.pdfD. Y. Patil College of Engineering & Technology, Kolhapur, Maharastra, India
Concrete is a mixture of cement, sand, gravel, and water that hardens into a building material. It is the second most consumed substance on Earth after water. Concrete is made by mixing cement and water to form a paste that is then mixed with fine and coarse aggregates. The paste coats the surface of the aggregates and binds them together into a rock-like mass once hardened. Concrete's strength comes from reinforcement like steel bars for buildings and structures.Building Better Roads - An idea requiring validation
This document discusses plans to test different road building materials and designs to determine what creates the most durable roads. Sensors will be placed on test blocks made of different soils and road building materials that are subjected to varying weather conditions like wind, water, and traffic over time. The results will be analyzed to understand which material combinations last the longest under which conditions. This will help planners design and repair roads that are best suited to the local environment and reduce the formation of potholes over time.
Ppt on cement grade project
This document discusses different grades of cement used in construction. It begins with a brief history of cement, noting it was discovered in 1824 by Joseph Aspdin and resembles limestone from Portland. There are three main grades - 33, 43, and 53 - indicating compressive strength in N/mm^2 after 28 days. Grade 33 is for unimportant work like plaster or flooring, while Grade 43 is for general purposes. Grade 53 uses finer particles and gains strength more quickly. The appropriate grade depends on the type of construction work.
Concrete, A strong and waterproof concrete
The document summarizes several activities conducted by students to learn about concrete. In Activity 1, the students searched online about what concrete is, its uses, and how it is formed. They found that concrete is a mixture of cement, coarse and fine aggregates, and water, and it is used in building houses and bridges. In Activity 2, the students observed how cement hardens when mixed with water, salt, or sugar. They found that salt makes cement harden faster while sugar makes it harden slower. In Activity 3, the students compared densities of different concrete mixtures and found that mixtures with equal amounts of fine and coarse aggregates had higher density and strength. They also tested properties like strength and brittleness and how mixture components
self-compacting concrete
a short presentation on self compacting concrete; its constituents, properties, tests, advantages and disadvantages
Building Cons Report .pdf
1. The document describes an internship report submitted by Gulshan Kumar on a six-week internship with the Building Construction Department in Jamui, Bihar, India under the guidance of Er. Sandeep Kumar.
2. The project involved the construction of a prefabricated building over the main collectorate building. Measurements of the collectorate campus were taken and tests were performed on cement samples to determine properties.
3. Compressive strength, consistency, setting time, and soundness tests were conducted on cement in accordance with testing procedures and standards.
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Summer internship at patel infrastructure
- 1. Summer internship at patel infrastructure Duration: 2/6/2019 to 15/6/2019 Site Location :- sathana (kgbot 2) ajmer rajasthan
- 2. Base camp
- 3. Date 3rd to 7th June • 5 days were allocated for understanding laboratory experiment. • Ongoing experiment were explained by engineers in working hours. • Mainly for concrete, aggregate, soil, and bitumen
- 4. Soil tests • Grain size analysis text • Proctor compaction test • California bearing ratio test • As property of soil changes by different locations tests were carried for that portion • And for each location optimum moisture content and maximum dry density is find out
- 6. Concrete and aggregate test • For concrete : compression test were carried out and for aggregate impact test is carried out • Cubes were casted at working site and bring to laboratory for curing and to test at 3, 7, & 28 days • At time of testing senior engineers come for verification of strength of cube
- 7. Bitumen test • At time of internship we learned DBM (Dense bitumen macadam) test and grain size analysis test for bitumen • From DBM test we can find out optimum bitumen content
- 8. From 8th to 12th June • Next 5 days we went for on site road construction it was of widening of existing road • At site leveling of original ground level is done by auto level instrument • Site engineer explained how to do surveying and levelling and to how to use the instrument . • And earthwork is carried out
- 9. GSB layer • After the Earth Work the Sub-Base of the road is constructed with Granular sub-base (GSB) and compacted in layers not exceeding 100mm.
- 10. WBM Base-Course • Once the Sub-Base is prepared, the base course is required to provide the strength to the road. • Generally, the base course is constructed with the help of stone metal and other suitable materials.
- 11. WBM Base-Course Water Bound Macadam (WBM) base course is constructed with graded aggregate in two or three layers as per the design. Thereafter, binding material is applied and sprinkling of water is repeated
- 12. From 13th to 15th june • Last 3 days we went for observation of bridge construction • At site construction of bridge girder is done. • Placing of reinforcement and form work was carried out that time.