sir, i used 43grade opc cement to my wall plastering,i have cured 20 days ,recently , white dots and white powder shades are appearing on walls, is it any defect by curing excess days? have any disadvantages by it ? please answer
Answers were Sorted based on User's Feedback
Answer / senthilkumar
It is called efflorescence. you might used salt water for curing. because of salt water efflorescence occurs.
| Is This Answer Correct ? | 1 Yes | 0 No |
the white appearance or layer on the concrete is called efflorescence. it is caused by saline water. you might used high ppm saline water for curing.
| Is This Answer Correct ? | 0 Yes | 0 No |
is their any instrument which can detect steel after casting of slab,etc. for verification of steel in slab,etc.
does a b.tech civil engineer fresher supposed to know how to design rcc structure?
# 1. Water observation capacity (MAximum)of Solid bricks # 2. Minimum Crushing Strength of Solid Blocks.
1- what is steel rebar cover? 2- what is a rebar stirrup?
For raft 3000mm thickness with T25150 mesh reinf in top and bottom what diameter can be used for chair to support mesh reinforcement
what is the difference between stress and pressure??
distinguish between under reinforced and over reinforced beams?
What are the advantages of cad software’s?
How calculate the physical stock of material such as Fine/Coarse aggregate,sand & stone dust laying at site?
shearing strength of cohesionless soil depends upon dry density rate of loading confining pressure all above
What is the diff. Between rectangle & parallelogram?
What is the minimum depth of a slab?
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)