Lime concrete terracingwith tiles.
Lime concrete in roof terracing.
The one adopted for jodhpur stone slab roofing is described below is steps.
To the specified.
Coarse aggregate shall be of well burnt or over burnt brick ballast of 25 mm gauge.
Meter of roof surface.
Lime conc in roof terracing.
Not required except during.
The procedure of lime terracing varies from place to place.
This type of terracing is commonly used over flag stone roofing though it can also be used r c c slab.
Slaked lime is first mixed with sand to prepare lime mortar which is then further mixed with coarse aggregates in suitable proportion.
The longitudinal joints between the stone slabs are first pointed in cement mortar.
For preparation of lime concrete first hard impervious level base is prepared by stones or brick pitching.
The introduction of pozzolanic materials such as burnt brick pozzolana in lime concrete and compaction to maximum density enhances the waterproofing effect.
Below are the steps of how the terracing is laid.
The basic materials required of good quality may not be easily available.
Easily available but it is difficult to ensure quality.
Difference lime concrete terracing.
Lime terracing on roof shall be composed of brick aggregate of 25 mm.
Materials course aggregate fine aggregate lime.
Course aggregate course aggregate shall be well burnt it can burnt brick ballast of 25 mm gauge porous ballast shall not be used it shall pass through 37 5cm square mesh.
Nominal size unless otherwise specified surki and bisra or satna lime in the specified proportion.
Slab is cleaned off dust etc.
Then quantity of sand is spread as the horizontal base.
Lime concrete shall be laid and not thrown in a single layer and spread and rammed with wooden rammers of weight not exceeding 2 kg.
Material all materials shall be of standard specifications.
This type of terracing is commonly adopted over r c c.
The joints should be negative shaped not exceeding 25 mm at the top and 10mm at the bottom.
Detail specification of lime concrete in roof terracing are as below.
Land layer of hot bitumen is applied at the rate of 1 7 kg per sq.
Lime concrete apart from its use as a structural material in several situations in building construction is also used for a waterproofed roof finish.