Answer / Umesh Kumar Morya

The hardness of M-40 grade concrete is 20 MPa (Megapascals) according to Indian Standard specifications. Compressive strength, however, is a more commonly used measure for concrete strength, and for M-40 grade concrete it would be 40 N/mm^2 (Newtons per square millimeter).

what is curing?

3 Answers   BSL,

---

How many solid blocks can build one mason per 8 hours?

1 Answers  

---

how to calculate reinforcment in staircase cranked beam?

1 Answers   DLF,

---

among fine,coarse sand which is used for plaster, brickwork and RCC & why?

2 Answers  

---

why we always consider Bulkage due to the voids only for the Fine aggregates not for the Coarse aggregates

3 Answers  

---

Please tell me how many bricks needed for 4.5" bricks per m3(how to calculate this also), and outurn of mason. Thanks.

3 Answers  

---

Why reinforcement done in shorter span in two way slabs

1 Answers   Osmani Constructions,

---

how many Concrete hollow blocks (6"x8"x16") will one mason and one helper accomplish/Install a day (8 hrs/day)?

5 Answers   Gabriel Construction,

---

What is difference between engineering stress and true stress?

1 Answers  

---

what is the crushing strength of stone and bricks?

2 Answers   DFCCIL, FWO, Habib Group, HBL, KPSC Kerala Public Service Commission, Mott MacDonald,

---

what are the types of dimensioning?

1 Answers   L&T,

---

what ratio of cement and sand we used for making cover

4 Answers  

---