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Complete Guide to Road Construction in India

Practical insights and expert guidance to help you choose the right construction equipment

A road is built in layers, and each layer has a job. This hub covers how Indian roads are made — the subgrade, sub-base, base and surface courses, the materials that go into each one, and the machines that lay and compact them.

Latest guide
Overview

Road Construction Layers in India: Subgrade to Bituminous Concrete

Under the black surface of an Indian highway sit four or five more layers, and that surface is the thinnest of them: usually 30 to 50 mm, on a road crust that…

· 13 min read· Raju Barui
Read guide
Overview

CC Road Construction in India: Slab Thickness, Concrete Grade and Joints

If you are putting a concrete road through a village, the figure that decides whether it lasts twenty…

· 10 min read· Avijit Bhattacharya
Overview

DLC in Road Construction: Full Form, Mix, Thickness and Machines

DLC in road construction stands for dry lean concrete. It is a low-cement concrete, laid almost dry, that…

· 10 min read· Raju Barui
Overview

Bitumen in Road Construction: VG Grades, Temperatures and Which to Use in India

Bitumen road construction in India runs on four paving grades: VG-10, VG-20, VG-30 and VG-40. The grade is…

· 2 min read· Avijit Bhattacharya
Overview

Road Construction Cost per Km in India: Village Road to National Highway

Road construction cost per km in India runs from about ₹71 lakh for a PMGSY village road to…

· 11 min read· Raju Barui
Specs

Geotextile and Geogrid in Road Construction: Uses, IS Specs and Laying in India

If you are choosing between a geotextile and a geogrid for a road job, put the strength figures…

· 11 min read· Avijit Bhattacharya
Overview

CTSB and CTB in Road Construction: Full Form, Strength and Thickness

A cement treated sub-base has to reach 1.5 to 3.0 MPa of strength in seven days and be…

· 10 min read· Raju Barui
Overview

Road Construction Materials in India: The List and the Tests Each Must Pass

Road construction materials in India come down to about ten basic things: soil, moorum or gravel, crushed stone,…

· 12 min read· Avijit Bhattacharya
Types

Types of Roads in India: NH, SH, MDR, ODR and Village Roads

There are six types of roads in India by function: expressways at the top, then National Highways, State…

· 10 min read· Raju Barui
Overview

Prime Coat and Tack Coat in Road Construction: How Much per m²

A prime coat goes on at 0.7 to 1.0 kg of bitumen emulsion per square metre of WMM,…

· 10 min read· Avijit Bhattacharya
Overview

Slip Form Paving: How a Concrete Highway Is Laid, Step by Step

A slip form paver lays a concrete highway slab in one continuous pass, moving at not less than…

· 12 min read· Raju Barui
Overview

FDR Technology in Road Construction: Full Depth Reclamation Explained

When the cracks in an old road run down through the bitumen and into the stone base below,…

· 12 min read· Avijit Bhattacharya
Overview

CBR Test in Road Construction: Full Form, Procedure and Values

A soil that scores 2% on the CBR test needs a much thicker road on top of it…

· 11 min read· Raju Barui
Overview

Field Density Test: Sand Replacement and Core Cutter Methods, Degree of Compaction and MoRTH Limits

A road layer passes or fails on one number: how close its dry density on site comes to…

· 12 min read· Avijit Bhattacharya

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Desi Machines is a platform where you can see and compare construction equipment. It showcases images, brochures, features, technical specifications, brand details & dealer information. All these are taken from respective brand websites, brochures, and other public resources. We do not claim ownership of these materials and strive to ensure their accuracy. However, the disparity may happen and we advise users to verify directly with respective brands and dealers. Desi Machines is not liable for any inaccuracies or reliance on the information provided. Use of this website is at your own discretion.

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