Abstract
Natural pavements are an important element of flights. Among other things, they allow the plane to be safely slowed down after it has exited the runway. For this reason, load bearing capacity of natural airfield pavements and strength of turf layer at a specified level are required. Currently used testing methods, such as CBR (Californian Bearing Ratio) tests or turf probe test, separately do not give a full image of pavement technical condition. The authors presented the methodology for assessing the technical condition of natural airfield surfaces based on the APCI (Airfield Pavement Condition Index). The index is based at the same time on the load bearing capacity of the surface layer up to 0.85 m and turf layer strength. The mathematical model and the classification of airfield pavements in terms of the APCI indicator are presented. The article also presents an example of using the APCI method to assess shoulders and end safety areas of the runway at one of the operating airport facilities.
Highlights
The article presents an example of using the APCI method to assess shoulders and end safety areas of the runway at one of the operating airport facilities
In order to maintain the required load bearing capacity of natural airport pavements, In order to maintain the required load bearing capacity of natural airport should pavements, and to ensure the safety of air operations, natural airfield pavements be and thusmaintained to ensure the of air operations, naturaland airfield pavements should be regregularly andsafety repaired, i.e., all agrotechnical biological treatments aimed at ularly maintained and repaired, agrotechnical and biological aimed at increasing the level of soil fertility i.e., andall maintenance of vegetation
Basing on the obtained APCINN results for the considered airport’s functional elements (AFE) pavements can be conThe presented studies been made at the airportcondition facility
Summary
The safety of aircraft operations within the ground maneuvering area depends on many factors. From the airport infrastructure point of view, the technical condition of the airport’s functional elements (AFE) is of key importance. We are talking about artificial surfaces (Runways, Taxiways, or Aprons) on which aircrafts move, and about natural surfaces (Side Shoulders, Runway End Safety Areas) providing protection in the case of an aircraft leaving the AFE. Proper management of the technical condition of pavement should be complex and include both ongoing maintenance and planning future renovations. Monitoring of the airport functional elements should be based on reliable information about the technical condition of the pavement obtained in a systemic manner
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