Materials course aggregate fine aggregate lime.
Lime concrete in roof terracing.
For preparation of lime concrete first hard impervious level base is prepared by stones or brick pitching.
Then quantity of sand is spread as the horizontal base.
Material all materials shall be of standard specifications.
Lime conc in roof terracing.
The procedure of lime terracing varies from place to place.
The longitudinal joints between the stone slabs are first pointed in cement mortar.
Lime terracing on roof shall be composed of brick aggregate of 25 mm.
Below are the steps of how the terracing is laid.
Not required except during.
Coarse aggregate shall be of well burnt or over burnt brick ballast of 25 mm gauge.
This type of terracing is commonly used over flag stone roofing though it can also be used r c c slab.
12mm 1 2 plastering with cement or lime mortar.
This article will help you to differentiate between line concrete terracing and cement concrete roofs.
Detail specification of lime concrete in roof terracing are as below.
Slab is cleaned off dust etc.
A layer of coarse sand is immediately spread over the hot layer of bitumen at the rate of 0 6 cubic meter of sand per.
Estimation and costing lime conc in roof teracing.
Slaked lime is first mixed with sand to prepare lime mortar which is then further mixed with coarse aggregates in suitable proportion.
It shall be deep cherry red or copper and shall be clean free from dust dirt and other foreign matters.
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.
The joints should be negative shaped not exceeding 25 mm at the top and 10mm at the bottom.
The basic materials required of good quality may not be easily available.
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.
Lime concrete in roof terracing.
Lime concrete shall be laid and not thrown in a single layer and spread and rammed with wooden rammers of weight not.
Pointing with cement or lime mortar.
Easily available but it is difficult to ensure quality.
The introduction of pozzolanic materials such as burnt brick pozzolana in lime concrete and compaction to maximum density enhances the waterproofing effect.
During the operation of mixing kunji.