Recent content by Chetan Yadav

  1. Chetan Yadav

    Method of laying of BC DBM BM and SDBM for main and service roads

    You can update it as per your needs and even can share the updated copy to help others.
  2. Chetan Yadav

    Whatsapp Groups invite links for Civil Engineers

    Whatsapp groups are closed now due to no impact in development of skills which we thought. Currently there is only one whatsapp group is operated, which is also a experiment for doing innovation...
  3. Chetan Yadav

    pH value of construction water

    As per IS 456 water used for concrete mixing and curing should have pH value above 6 It also says for ground water pH should be from 6 to 9. Below 6, its acidic and above 8 it goes towards alkaline. Anything acidic is dangerous.
  4. Chetan Yadav

    Excel Quality Management Templates

    i think he said, You can add more KPI's in it as per your need. it means you can add more KPI to it as per your need as you have basic KPI in this and you can replicate it.
  5. Chetan Yadav

    PQC M40 Concrete Mix Design Procedure for Roads and Highways

    Saturated surface dry condition, it mean, the aggregates do have completely filled voids with water in inside structure and dry from the surface. I did not find any limitations like this mentioned in MORTH nor anyone stopped me from doing such concrete. Please provide the details of such...
  6. Chetan Yadav

    Basic fire protection and prevention system for fire safety

    Very nice article on fire safety. will print it and stick in my office and work places.
  7. Chetan Yadav

    Whatsapp Groups invite links for Civil Engineers

    Link is working correctly just checked. May be network problem, try again it will work for sure.
  8. Chetan Yadav

    Excel Construction Management Templates

    Thank you, its really a great to have it.
  9. Chetan Yadav

    Telegram Groups for Civil Engineers

    Updated the link Click on the invite link and open it in Telegram App. Below is link to join group h ttps://t.me/c4mce
  10. Chetan Yadav

    Telegram Groups for Civil Engineers

    TELEGRAM Group for Civil Engineers Join Group by clicking on below link Civil4M Civil Engineering
  11. Chetan Yadav

    What is the purpose of post-grouting for mini-piles

    What is the purpose of post-grouting for mini-piles? Answer: Post-grouting is normally carried out some time when grout of the initial grouting work has set (e.g. within 24 hours of initial grouting). It helps to increase the bearing capacity of mini- piles by enhancing larger effective pile...
  12. Chetan Yadav

    What are the functions of different components of a typical expansion joint

    What are the functions of different components of a typical expansion joint? Answer: In a typical expansion joint, it normally contains the following components: joint sealant, joint filler, dowel bar, PVC dowel sleeve, bond breaker tape and cradle bent. Joint sealant: it seals the joint...
  13. Chetan Yadav

    the pros and cons of various non-destructive weld inspection methods

    In checking the quality of weld, what are the pros and cons of various non-destructive weld inspection methods i.e. ultrasonic test, radiographic inspection and magnetic particle flaw detection test? Answer: Currently, there are three common non-destructive testing of weld, namely radiographic...
  14. Chetan Yadav

    In the design of watermains, how to decide the usage of double air valves and single air valves

    In the design of watermains, how to decide the usage of double air valves and single air valves? Answer: Single air valves allow squeezing air out of the pipeline in automatic mode in high- pressure condition and are normally designed in high points of watermain in which air voids are present...
  15. Chetan Yadav

    What is the function of shear keys in the design of retaining walls

    What is the function of shear keys in the design of retaining walls? Answer: In determining the external stability of retaining walls, failure modes like bearing failure, sliding and overturning are normally considered in design. In considering the criterion of sliding, the sliding resistance...