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 many quantity of water use in 1cu.m. concrete

4 Answers   Jaypee,

---

How To do Steel Design of Beam,Columm,Slab,Staircase,Wall?

1 Answers   Aditya Structurals,

---

1)What is the maximum size of aggregate that can be used for M-50 grade concrete ? Code teh authority?

3 Answers  

---

how much repeitation for conventional and maivan formwork?

0 Answers   Empire,

---

what is difference between bending and twisting

4 Answers   Sam India,

---

What is the diffence between prescribed mix and design mix

3 Answers   DPI, L&T,

---

what is the MSL?where is it located?

2 Answers   C-Tech RC Design, Era Infra Engineering, IVRCL,

---

how many meters for brad gauge?

5 Answers  

---

What is the Hardness of M-40 grade concrete, general and theoratical

0 Answers  

---

How to calculate Cement in bags ,sand in sqft and aggregate in sqft for 1cum M25 grade concrete

0 Answers  

---

I have a slab of 20cm thickness of 20m by 4m in wich we are installing 15 tons electric panels , and we have put 4 H-shaped columns under the slab but we have done many cores in the slab which seems very normal , can you help me by telling me how to calculate the bearing capacity of the slab or give me an idea if i should increase more columns Note: load distribution area 12*1.5 m2

0 Answers   First American Corporation, GS Infra, L&T, Real Sociedad,

---

Where on net can i find IS Codes?

9 Answers  

---