Answer / r.k sharma

IS code 456-2000 states that Forms shall not be released until
the concrete has achieved a strength of at least twice the
stress to which the concrete may be subjected at the time of
removal of formwork (para 11.3).Minimum Period Before Striking
Vertical formwork to columns, walls, beams is 16-24 hours.
CC/RCC for DPC on plinth is never subject to any stress and
meant for retaining the material till Cement sets.As such it
should not be measured separately and treated as incidental to
the Work of DPC.

Answer / anupom

Above answer is right, also
THe thickness of DPC is very less(apprx. 25mm) and is
generally applied as a coating layer for plinth level. Thus
the vertical shuttering may not be measured but this solely
depends on the contract specification.

Construction joint of beam & slab is provided at––

1 Answers   Construction,

---

how to absorb to site basic corrections? which are the important correction?

0 Answers  

---

At what point does a circle start losing area when being flattened?

0 Answers  

---

Project at andheri west mumbai total area of 116000 sq ft near by..Please help me out for quotation plan is ready basic details are with me , please help me out .I will mail u in autocad also.

1 Answers   AK Construction,

---

I want to know the relevant IS codes of practice which deals with different testings of cement-sand mortar (nominal mix)that is being normally used for brick work or plaster work in the construction work.

0 Answers  

---

what is the nomimanal size' os agg.'for reinforced concrete 2 th ph value of water to be used in conc. Shall generly be

5 Answers   RRB, Sail,

---

What is horizon or horizontal mining?

0 Answers  

---

How do you calculate the mix ratio of concrete i.e. what is the cement:sand:agrugate ratio in 20Mpa, 21Mpa, 22Mpa etc...

2 Answers  

---

what is thumb rule for calculating the size of ISMB required for a particular length of span

0 Answers  

---

1. What is coefficient use for calculation of shuttering. 2. What is coefficient use for calculation of reinforcement in one cum of concrete.

0 Answers   Ramky,

---

what is shear force 

2 Answers   NLC Neyveli Lignite Corporation Limited,

---

Minimum sizes of beam and coloumn

2 Answers   bscpl,

---