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What is Crazing Crack in Plaster?
vivek gami
Crazing crack is a surface crack that is due to shrinkage and weathering action. It is nonstructural crack Crazing crack may be due to Excessive w/c ratio in plaster Excessive trowel floating Higher temperature Weathering effect Alternative dry and wetting To connect it we should repair and maintenRead more
Crazing crack is a surface crack that is due to shrinkage and weathering action.
It is nonstructural crack
Crazing crack may be due to
To connect it we should repair and mainten regularly with proper care.
See lessWhat is difference between site plan and layout plan?
vivek gami
Then what is key plan ? Is it a site plan and key plan the same?
Then what is key plan ? Is it a site plan and key plan the same?
See lessWhich size of aggregate used in RCC structure?
vivek gami
Basically in cement concrete we used 10mm to 20mm aggregate, And and PCC we may use 40mm rarely. In damp proof course we used 10 mm for better preventions again permeability and for slab, beam and column we use mixture of 10mm to 20mm. 40mm aggregate is used for PCC in foundation or base course in rRead more
Basically in cement concrete we used 10mm to 20mm aggregate,
And and PCC we may use 40mm rarely. In damp proof course we used 10 mm for better preventions again permeability and for slab, beam and column we use mixture of 10mm to 20mm.
40mm aggregate is used for PCC in foundation or base course in rigid pavement.
See lessWhat is the reason for micro cracks in concrete?
vivek gami
Micro crack we found in younger concrete Reason of micro crack is Due to plastic shrinkage Due to higher temperature at site Due to improper curing Due to higher water cement ratio Due to improper cement used at particular site (like we cannot use rapid hardening cement in mass concreting) Due to prRead more
Micro crack we found in younger concrete
Reason of micro crack is
We can reduced that micro crack by adding some fibres to the concrete,
See lessWhat is the important of Proctor Compaction Test?
vivek gami
Proctor test is conducted to identify the compaction of different types of soil at different moisture content. It is a very important test for structural stability on the construction site. According to different types of soil & moisture content at the site, we should develop that type of soil sRead more
Proctor test is conducted to identify the compaction of different types of soil at different moisture content.
It is a very important test for structural stability on the construction site.
According to different types of soil & moisture content at the site, we should develop that type of soil samples in the lab and do proctor tests to identify engineering property of that particular soil type.
From this test, we can get OMC & MDD of soil.
See lessExplain Arch Dam and Buttress Dam?
vivek gami
arch dam is constructed when dam abutment has rocky strata and have higher bearing capacity to resist trust from arching action of an arch dam. see arch dam in figure it is constructed when river run between two hills and the dam site has great depth, and less width at that location arch dam is veryRead more
arch dam is constructed when dam abutment has rocky strata and have higher bearing capacity to resist trust from arching action of an arch dam.
see arch dam in figure
it is constructed when river run between two hills and the dam site has great depth, and less width at that location arch dam is very economical to another type of dam.
buttress dam is a dam in which has straight alignment and which have buttressed support on the downstream side.
buttress is provided to additional support of dam structure .
the main purpose of the buttress is to provide additional safety against the overturning of the dam. this type of dam is constructed at where dam height is high.
See lessWhat is diffrence between retaining wall and breast wall?
vivek gami
Basic difference is retaining wall is designed to resist backfill earth pressure and breast wall is resist for natural earthen slope of hilly area In hill. When road is construct, at that time we need to cut-off some portion of hill and basically we construct two wall one is breast wall which is onRead more
Basic difference is retaining wall is designed to resist backfill earth pressure and breast wall is resist for natural earthen slope of hilly area
In hill. When road is construct, at that time we need to cut-off some portion of hill and basically we construct two wall one is breast wall which is on hill side of the road to give stability of hill slop and another one is retaining wall which is construct on valley side of road which wall have backfill pressure plus road pressure on backfill so we need to design retaining wall for that backfill & surcharge .
See figure for different between retaining wall and breast wall.
See lessWhat is effect of steel and aluminium, if we use it as reinforcement in structure?
vivek gami
Both have different properties & a separate cost which describes below. steel As compared aluminium,steel have less corrosion resistance Steel are chiper than aluminium Steel give lesser malleability and elastic properties than aluminium In weight steel have higher weight Steel is tough & haRead more
Both have different properties & a separate cost which describes below.
steel
Aluminum
We are generally use steel as a reinforcement.
We doesn’t use aluminium because of soft metal property
See less