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Concrete Mix Design There are many methods of concrete mix design. But the British or American methods will not be applicable for our country, as the specific relationships constituting figures and tables are based on their materials. The IS 10262 recommends procedure for designing concrete mixes for general types of construction using the concreting materials normally available1. The procedure was developed in 1982 based on the experiments carried out at the National Council for Cement and Building Materials (NCBM), New Delhi. Concrete Mix Design The method is primarily based on the basic assumption that the compressive strength of concrete is governed generally, by the water-cement ratio. The recent development of using chemical and mineral admixtures in concrete has not alterted the applicability of the age-old Abram’s water-cement ratio ‘law’, and the compressive strength of concrete is governed by the water-cementitious materials ratio used in concrete. The ce

In the morning, I usually wake up at 6 o’clock. I do physical exercise for 5 minutes so I don’t feel sleepy. When I have morning class, I have a shower immediately.  Then, I go to campus by motorcycle. Sometimes, I pick up my friend then we go together. On the way to campus, we buy and eat breakfast at one food stand near campus. We chat along the way about many things. We love talking about funny things. We laugh and feel really happy. While waiting for a next class, I go to my friend’s house. Sometimes, I wait in campus while doing some tasks. Joining some organizations at campus makes me quite busy but still happy. I need to manage my time very well so I can set up priority. I always try to finish all tasks before due date. I usually go home at 3 o’clock and take a rest. I hang out with my friends in the evening then have dinner together. Finally, I go to bed at 11 to 12 p.m. when all tasks are finished.

To Mr. Head of Study Program of Civil Engineering Ahmad Yani Tromol street,Surakarta Dear Sir, Through this letter we inform you that many tools for practicum of civil engineering are broken and getting old. However, after we checked the tools in the laboratory, there are some damages of some tools. The damages are: The baukur cannot be read because the number is bluring. The pipe in the fluid mechanic lab is getting older. For the evidence, we will send you back the damage products to be re-check. We hope in the future, we would not receive anymore damaged tools like this. Thank you for your concern. We will wait for you reply. Regards, The Student of Civil Engineering