Answer / surajit dey

Wbm full form is water bound macadam and GSB fullform is granular sub-base.

Answer / vigneshkumar.m

wbm=water bound maccadam road

Answer / vinothkumar

Gsp is the first layer of the road
Wbm is the second layer of the road
Then different from gsp and wbm for gsp is the basement and 40mm aggregate used
Wbm 21 mm metal used

Answer / 9040471784

1st of all we use gsb & compacted properly.
2. It should be the thickness of 250-500.
3 wbm is used after the laid of gsb.then compacted at dry & again compacted after pouring of water on it.
4. Its thickness should be used 200-250.

How the reconcilation of the steel can be done?

3 Answers   IL, JMC, JMC Projects, Simplex,

---

what is the difference between arch dam and gravity dam. Name a gravity dam in India

6 Answers   AAI Airports Authority Of India, L&T,

---

what is the anchorage length of reinforcement.

0 Answers   TCE,

---

The minimum compressive strength of 1st and 2nd class bricks

1 Answers  

---

wat is the proportion of M40?

3 Answers  

---

in railway engineering, what are the types of guages? what is its size,length & thickness?

6 Answers  

---

consumption of cement in p.c.c. a. mix. 1:1:2 b. mix. 1:1.5:3 c. mix. 1:2:4 d. mix. 1:3:6 e. mix. 1:4:8

2 Answers   MSPL,

---

a wall having area 100 sqft and bricks size 19cm*9cm*9cm so how many bricks required...

14 Answers   Jain Group,

---

what mean By core Billing

0 Answers  

---

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

2 Answers  

---

What is the best design for building bridges?

6 Answers  

---

What"s mean by water bound macadam road(WBM)?

11 Answers   Simplex,

---