Answer / g himanth kumar

For the concrete with different grades the strength development for 7days is approximately 60 to 70% of its 28days characteristic strength.

Answer / imran

Ok fine let me start with 7 days strength, the provision of 7 Days Strength is now ended over Globally, else in previous version of IS was two third of the characteristics strength and 100% of characteristic strength after 14 days.
There Fore the Deflected Strength for M-25 in:
7 Days 16.67 N/mm2.
14 Days 25.00 N/mm2
28 Days 28.00 N/mm2 (As per Latest Revision of IS 456 Fck + 3)

Answer / santo.m.f

M25 test result at 7 days is of its 65%. ie; M25:-16.25 N/mm2. then 14 days 90%. ie; M25:- 22.5 n/mm2 .

what is the criteria for the finalisation of pavement thickness in road project?

0 Answers  

---

how many nos of hacking over concrete surface required for 1 sq m area

12 Answers   Creative Turnkey Projects, L&T,

---

Please let me know the simplest way of Calculating mix designs for any grade.

1 Answers   Bureau Veritas,

---

What should be the lap length in raft if height of raft is 0.800mm ...it couldn't b 50D or 40D...we just have to join upper and bottom reinforced...is there any formula for determine it...

0 Answers   SIPL,

---

HOW TO FIND OUT THE QUANTITY OF CONCREATE

15 Answers   Bhel, L&T,

---

What are the functions of grout inside tendon ducts?

3 Answers  

---

how many kg sand is requried for plastring in 100 sqft?

5 Answers   L&T,

---

What is PCO

1 Answers   Skanska,

---

a butt weld is specified by

0 Answers  

---

i want to ecil (Electronics Corporation of India Limited Hyderabad) previous civil engineering question papers immediately please.............

0 Answers   Ecil,

---

How to calculate or what is the process of calculation for making 1Metre squre area by AAC Blok which quantity of Cement, Sand & Chips are to be required?

0 Answers   KD infra,

---

what is floating slab foundation?

0 Answers  

---