Answer / rashid imam

Compressive strength of concrete can be obtained by a laboratory test called as compressive strength test . It involves a compression testing machine or CTM , a 150 mm cube of concrete ( after 28 days of maturity ) whose strength is to be tested . Now the process involves that the cube is placed in the machine and load is gradually applied and the deformation is noted . The load at which the cubes breaks down is called it's compressive limit.

What is '43' in OPC43 cement? What is '35' in M35 grade of concrete? Is there any link between them ?

5 Answers   Rites,

---

how can we calculate costing of a project per sqft/sqm

1 Answers   Associate Consultant, AVT, L&T,

---

what is the quantity of formwork in shuttering and barbending is done by 1 mason and 1 helper

4 Answers   CPWD,

---

what is tension footing?

0 Answers   Wah Engineering College,

---

what is the minimum and maximum water cement ratio

6 Answers  

---

---

whatis the minimum strength required for M-25 grade concrete in 14days compressive test? What is the procedure of calculation?

1 Answers  

---

why we are condecting the slump test for concrete?

8 Answers  

---

what is the factor of safety for cement and steel with reference to IS 456-2000. and min reinforcement should be provided for column and slab with reference to IS 456-2000.

5 Answers  

---

how much quantity of cement bags are required to fill the one m3 of empty container.?

12 Answers   MSPL,

---

What is absolute pressure? How absolute pressure is calculated?

0 Answers  

---

how much 20 mm metal is used in M25 grade desin mix in weight and sand for 1 cubic metre

1 Answers   Radiant,

---

please differentiate duties and responsible for civil site engineer , Quantity suryevor ,Quality control engineer and Planning engineer

1 Answers  

---