What is maintenance explain different types of maintenance?

Maintenance, otherwise known as technical maintenance, refers to a set of processes and practices which aim to ensure the continuous and efficient operation of machinery, equipment, and other types of assets typically used in business.

What is a basic task of road maintenance?

Primary Responsibilities Repair broken roads on highway, town, and city roads. Patch potholes. Operate machinery to dig up holes, pour concrete, and smooth out. Repair detached or dented guardrails.

How do you maintain good roads?

Keep ditches clean and protected from erosion. Water left in the ditches leaches into the base material. Use culverts, or water turn outs, at frequent intervals to move the water in the ditches away from the road. Culverts channel water from one side of the road to the other.

What materials are used to repair roads?

So while we wait on that, scientists are working on materials that repair themselves and are focusing on two of the most important materials in infrastructure: asphalt and concrete. Asphalt is mainly used for road surfaces.

What is motorway maintenance?

What is Highway maintenance? Road maintenance is work that takes place on various roads. These roads could be motorways or smaller, backroad paths. This work is undertaken to ensure that these roads – whatever kind of road they are – remain strong, safe and efficient.

What is highway drainage?

It must drain surface and subsurface water away from the roadway and dissipate it in a way that prevents excessive collection of water in unstable areas and subsequent downstream erosion.

What are the types of road maintenance?

These 4 categories are:

• Routine Maintenance.
• Recurrent Maintenance.
• Periodic Maintenance.
• Emergency Maintenance.

What are the objectives of highway maintenance?

There are four main objectives of highway maintenance:

• repair of functional pavement defects.
• extend the functional and structural service life of the pavement.
• maintain road safety and signage.
• keep road reserve in acceptable condition.

What are the different materials used in highway construction?

Materials Used for the Construction of Roads: Methods, Process, Layers and Road Pavement

• Soil: Soils can be studied effectively if they are classified according to certain principles into a definite system.
• Stone Aggregates:
• Bituminous Materials:
• Cement, Cement Mortar and Cement Concrete:

What is screening in WBM?

The material which is used up to fill up the excess voids present in the compacted layer of course aggregate is called as screenings. Screening material is nothing but the aggregates of smaller size than the course aggregates. Below table shows the standard grading required of screening for construction of WBM road.

What are the 4 types of maintenance PDF?

Four general types of maintenance philosophies can be identified, namely corrective, preventive, risk-based and condition-based maintenance.

What is routine maintenance in highway?

Routine maintenance involves the cleaning and clearing of different road elements to ensure that they work properly and that damage to the road is avoided.

What are the different types of drainage in highway?

The three principal types of highway drainage are:

• Surface drainage.
• Subsurface drainage.
• Cross drainage.

What is road maintenance?

Road maintenance works are classified into three types: namely, routine, periodic and emergency. Routine maintenance is based on routine (daily) inspection of the condition of pavement, cut and fill slopes, drainage, bridges and other structures and facilities to monitor any defects and damage.

What is highway maintenance and why is it important?

Introduction. Road maintenance is essential in order to (1) preserve the road in its originally constructed condition, (2) protect adjacent resources and user safety, and (3) provide efficient, convenient travel along the route.

What is difference between bitumen and tar?

Bitumen is used to waterproof boats as well as to seal and bind materials used to construct buildings. It also has medicinal properties. Tar is a viscous black liquid which is derived through the process of destructive distillation. It can be derived either from coal or petroleum sources, or from wood.

What are the various types of maintenance works carried out on highways?

Under this category of maintenance generally following works are carried out: Up keep of carriage way. Maintenance of side drains as clearing of silt and maintain proper slope. Maintain of shoulders and sub grade. Of other ancillary work such as bridge etc. Improvement of highway geometric and traffic controls etc.

Is highway maintenance an efficient management problem?

In fact, the efficient highway maintenance is an extremely challenging management problem. The job of a highway engineer is not only to design and construct the roads but to provide a comfortable, economic and safe surface for modern high-speed vehicles.

What is meant by special maintenance of Highway?

Maintain of shoulders and sub grade. Of other ancillary work such as bridge etc. Improvement of highway geometric and traffic controls etc. It is one of the types of highway maintenance in which special repairs are carried out for special problems and when occur due to the failure of pavements.

What are the requirements for road maintenance?

• Hіghway Maіntenance must be planned for rapіd performance and to cause least possіble dіsruptіon or hazard to traffіc. Shoulders:Depend on the surface character of these areas: • SOD shoulders must be moved and occasіonally bladed down to the level of the roadway so that water іs not trapped іn the travelled way.