Vägkonstruktionens påverkan av belastning och nederbörd
(2026) VTVL01 20261Transport and Roads
- Abstract (Swedish)
- Ett förändrat nederbördsklimat i kombination med ökade trafikbelastningar ställer nya krav på vägkonstruktioners utformning och funktion. Syftet med denna litteraturstudie är att undersöka hur vägkonstruktioner påverkas av kraftig nederbörd och tung belastning, samt att analysera skillnader mellan moderna och äldre konstruktioner avseende lastupptagning och vattenhantering. Vidare behandlas hur dagens dräneringslösningar fungerar i relation till dagens klimat. Studien bygger på tidigare forskning, rapporter och styrdokument från bland annat Trafikverket och VTI.
Resultaten visar att moderna vägkonstruktioner generellt har bättre förmåga att hantera både belastning och vatten jämfört med äldre konstruktioner. Detta beror främst på... (More) - Ett förändrat nederbördsklimat i kombination med ökade trafikbelastningar ställer nya krav på vägkonstruktioners utformning och funktion. Syftet med denna litteraturstudie är att undersöka hur vägkonstruktioner påverkas av kraftig nederbörd och tung belastning, samt att analysera skillnader mellan moderna och äldre konstruktioner avseende lastupptagning och vattenhantering. Vidare behandlas hur dagens dräneringslösningar fungerar i relation till dagens klimat. Studien bygger på tidigare forskning, rapporter och styrdokument från bland annat Trafikverket och VTI.
Resultaten visar att moderna vägkonstruktioner generellt har bättre förmåga att hantera både belastning och vatten jämfört med äldre konstruktioner. Detta beror främst på förbättrade dimensioneringsmetoder, högre materialkrav samt ett ökat fokus på lokala förhållanden och klimatpåverkan. Äldre vägar är ofta dimensionerade enligt tidigare normer och innehåller i högre grad material med sämre dräneringsegenskaper, vilket gör dem mer känsliga för fuktrelaterade skador.
Kraftig nederbörd i kombination med trafikbelastning har en tydligt negativ påverkan på vägkonstruktioner. Vatten i konstruktionen reducerar materialens styvhet och bärighet, vilket kan leda till deformationer, sprickbildning och i vissa fall allvarligare skador. Effekterna förstärks ytterligare vid förekomst av tung trafik och överlastade fordon, vilket bidrar till en accelererad nedbrytning av vägen.
Dagens dräneringslösningar utgör en central del av vägkonstruktionens funktion och omfattar både traditionella system, såsom diken och slänter, och mer avancerade lösningar som öppna överbyggnader och BGG-konstruktioner. Dessa syftar till att effektivt avleda eller magasinera vatten, men deras funktion är i hög grad beroende av kontinuerligt underhåll. Bristande underhåll av dräneringssystem identifieras som en av de främsta orsakerna till översvämningar och skador på vägkonstruktioner.
Sammanfattningsvis visar studien att moderna vägkonstruktioner har bättre förutsättningar att hantera framtida klimat- och belastningsutmaningar. Samtidigt kvarstår betydande utmaningar, särskilt kopplade till underhåll av befintliga vägar, ökade belastningar från tung trafik samt behovet av vidare utveckling av dräneringslösningar. (Less) - Abstract
- A changing precipitation pattern, characterized by shorter but more intense rainfall events, combined with increasing traffic loads, places new demands on road construction design and performance. The aim of this literature study is to investigate how road structures are affected by heavy rainfall and increased loading, as well as to analyse differences between modern and older road constructions in terms of load-bearing capacity and water management. Additionally, the study examines how current drainage solutions function in relation to these stresses. The study is based on previous research, reports, and regulatory documents from authorities such as the Swedish Transport Administration and VTI.
The results indicate that modern road... (More) - A changing precipitation pattern, characterized by shorter but more intense rainfall events, combined with increasing traffic loads, places new demands on road construction design and performance. The aim of this literature study is to investigate how road structures are affected by heavy rainfall and increased loading, as well as to analyse differences between modern and older road constructions in terms of load-bearing capacity and water management. Additionally, the study examines how current drainage solutions function in relation to these stresses. The study is based on previous research, reports, and regulatory documents from authorities such as the Swedish Transport Administration and VTI.
The results indicate that modern road constructions generally perform better than older ones in handling both traffic loads and water. This is primarily due to improved design methods, stricter material requirements, and a greater consideration of site-specific conditions and climate factors. Older road constructions are often designed according to outdated standards and contain a higher proportion of fine-grained materials, resulting in poorer drainage capacity and increased sensitivity to moisture-related damage.
Heavy rainfall combined with traffic loading has a clearly negative impact on road performance and lifespan. Water infiltration reduces the stiffness and bearing capacity of materials, which may lead to deformation, cracking and severe damages. These effects are further intensified by heavy traffic, particularly from overloaded vehicles, which accelerates the deterioration process.
Modern drainage systems play a crucial role in maintaining road functionality and include both conventional solutions, such as ditches and slopes, and more advanced systems like permeable pavements and Blue-Green-Grey (BGG) constructions. These systems aim to efficiently remove or temporarily store water; however, their effectiveness is highly dependent on proper and continuous maintenance. Insufficient maintenance of drainage systems is identified as a major cause of flooding and structural damage.
In conclusion, modern road constructions are better equipped to meet future challenges related to climate change and increasing traffic loads. Nevertheless, significant challenges remain, particularly regarding the maintenance of existing infrastructure, the impact of heavy vehicles, and the need for further development of sustainable and efficient drainage solutions. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/student-papers/record/9234131
- author
- Karlsson, Erik LU
- supervisor
- organization
- alternative title
- Impact of traffic load and precipitation on road construction
- course
- VTVL01 20261
- year
- 2026
- type
- M3 - Professional qualifications ( - 4 Years)
- subject
- keywords
- vägkonstruktion, dränering, nederbörd, belastning, BK4, infiltration, klimatförändringar, road construction, drainage, precipitation, traffic load, climate change
- language
- Swedish
- id
- 9234131
- date added to LUP
- 2026-06-09 17:06:50
- date last changed
- 2026-06-09 17:06:50
@misc{9234131,
abstract = {{A changing precipitation pattern, characterized by shorter but more intense rainfall events, combined with increasing traffic loads, places new demands on road construction design and performance. The aim of this literature study is to investigate how road structures are affected by heavy rainfall and increased loading, as well as to analyse differences between modern and older road constructions in terms of load-bearing capacity and water management. Additionally, the study examines how current drainage solutions function in relation to these stresses. The study is based on previous research, reports, and regulatory documents from authorities such as the Swedish Transport Administration and VTI.
The results indicate that modern road constructions generally perform better than older ones in handling both traffic loads and water. This is primarily due to improved design methods, stricter material requirements, and a greater consideration of site-specific conditions and climate factors. Older road constructions are often designed according to outdated standards and contain a higher proportion of fine-grained materials, resulting in poorer drainage capacity and increased sensitivity to moisture-related damage.
Heavy rainfall combined with traffic loading has a clearly negative impact on road performance and lifespan. Water infiltration reduces the stiffness and bearing capacity of materials, which may lead to deformation, cracking and severe damages. These effects are further intensified by heavy traffic, particularly from overloaded vehicles, which accelerates the deterioration process.
Modern drainage systems play a crucial role in maintaining road functionality and include both conventional solutions, such as ditches and slopes, and more advanced systems like permeable pavements and Blue-Green-Grey (BGG) constructions. These systems aim to efficiently remove or temporarily store water; however, their effectiveness is highly dependent on proper and continuous maintenance. Insufficient maintenance of drainage systems is identified as a major cause of flooding and structural damage.
In conclusion, modern road constructions are better equipped to meet future challenges related to climate change and increasing traffic loads. Nevertheless, significant challenges remain, particularly regarding the maintenance of existing infrastructure, the impact of heavy vehicles, and the need for further development of sustainable and efficient drainage solutions.}},
author = {{Karlsson, Erik}},
language = {{swe}},
note = {{Student Paper}},
title = {{Vägkonstruktionens påverkan av belastning och nederbörd}},
year = {{2026}},
}