Detail specification of lime concrete in roof terracing are as below.
Lime concrete in roof terracing.
It shall be deep cherry red or copper and shall be clean free from dust dirt and other foreign matters.
12mm 1 2 plastering with cement or lime mortar.
The joints should be negative shaped not exceeding 25 mm at the top and 10mm at the bottom.
Slab is cleaned off dust etc.
Materials course aggregate fine aggregate lime.
The longitudinal joints between the stone slabs are first pointed in cement mortar.
Difference lime concrete terracing.
During the operation of mixing kunji.
Coarse aggregate shall be of well burnt or over burnt brick ballast of 25 mm gauge.
For preparation of lime concrete first hard impervious level base is prepared by stones or brick pitching.
Pointing with cement or lime mortar.
Slaked lime is first mixed with sand to prepare lime mortar which is then further mixed with coarse aggregates in suitable proportion.
Easily available but it is difficult to ensure quality.
This type of terracing is commonly used over flag stone roofing though it can also be used r c c slab.
This article will help you to differentiate between line concrete terracing and cement concrete roofs.
The one adopted for jodhpur stone slab roofing is described below is steps.
Lime concrete shall be laid and not thrown in a single layer and spread and rammed with wooden rammers of weight not.
Lime concrete in roof terracing.
Estimation and costing lime conc in roof teracing.
Nominal size unless otherwise specified surki.
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.
Land layer of hot bitumen is applied at the rate of 1 7 kg per sq.
The introduction of pozzolanic materials such as burnt brick pozzolana in lime concrete and compaction to maximum density enhances the waterproofing effect.
Lime concrete apart from its use as a structural material in several situations in building construction is also used for a waterproofed roof finish.
Lime terracing on roof shall be composed of brick aggregate of 25 mm.
Below are the steps of how the terracing is laid.
Then quantity of sand is spread as the horizontal base.
Material all materials shall be of standard specifications.
The procedure of lime terracing varies from place to place.
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.
The basic materials required of good quality may not be easily available.