course aims in Estonian
Anda põhiteadmised tee suvist ja talvist seisukorda mõjutavatest teguritest, teede ja tänavate suvi- ja talihoolde vajaduste määramisest ning teostamise põhimõtetest ja tehnoloogiatest.
course aims in English
To give knowledge about factors affecting the road summer and winter condition, basics and methods for determining summer and winter maintenance needs, implementation principles and technologies.
learning outcomes in the course in Est.
1. Tunneb Eesti teede ja tänavate hoolduse korraldussüsteemi
2. Teab teekonstruktsioonis tekkivate defektide põhjuseid ja oskab nende põhjal valida sobiva remondimeetodi
3. Teab teede suvisele seisukorrale esitatavaid nõudeid
4. Tunneb erinevate teekattetüüpide hoolduse tehnoloogiaid ja teab, millal ja kuidas neid rakendada.
5. Teab teede talvisele seisukorrale esitatavaid nõudeid
6. Tunneb erinevaid lume- ja libedustõrje tehnoloogiaid ja teab, millal ja kuidas neid rakendada
learning outcomes in the course in Eng.
1. Knows the organizational system of Estonian road and street maintenance management
2. Knows causes and mechanism of development of different defects in road structure and based on that can choose the right repair method
3. Knows the requirements established to the road conditions in summer
4. Knows appropriate summer maintenance techniques for different pavement types and knows when and how they have to be implemented
5. Knows the requirements established to the road condition in winter
6. Knows different winter maintenance techniques for snow and ice control and knows when and how they have to be implemented
brief description of the course in Estonian
Tee korrashoiu korraldus läbi aegade. Tee korrashoiu üldpõhimõtted. Eesti tänava- maanteehoolduse süsteem. Tee seisukorda mõjutavad tegurid. Seisukorra hindamise kriteeriumid, tee suvised ja talvised seisundi nõuded. Tee seisukorra jälgimine: liiklusloendus, tasasus, haardetegur, kandevõime, vigastused. Teeregister.
Teede suvihoole: Tee maa-ala hooldus. Mullete ja süvendite hooldus. Kruus- ja killustikkatete hooldus. Asfaltkatete hooldus. Pindamine. Betoonkatete hooldus.
Teede talihoole: Teede tuisuohtlikkus, kaitse kinni tuiskamise eest. Aktiivse lumetõrje korraldus. Libedustõrje: libeduse tekkimine, tõrje puistematerjalidega, keemiline ja mehhaaniline tõrje. Keemiliste vahendite keskkonnakahjulikkus. Libedustõrjematerjalide laod. Jääteed. Teede kevadised hooldustööd.
Harjutused: soola veelahuse valmistamiseks vajaliku soolakoguse arvutus, libedustõrjeks vajaliku helvessoola koguse arvutus, jäätee kandevõime arvutus.
Ainetöö: Talihoolde (lume- ja libedustõrje) mehhanismide vajaduse arvutus, mehhanismide paigutus teedevõrgul. Libedustõrjematerjalide koguse valik. Libedustõrjematerjalide laod. Talihoolduse taseme valik, tee seisundi nõutav tase ja hooldustsüklite kestused.
brief description of the course in English
Organization of road maintenance - a historical overview. Basic principles of road maintenance. Estonian system of street and road maintenance today. Parameters affecting the road condition. Monitoring of road condition: traffic count, evenness, friction index, bearing capacity, defects. Road data base.
Summer maintenance: Maintenance of road territory. Maintenance of road embankment. Maintenance of gravel roads. Maintenance asphalt pavements. Surface dressing. Maintenance of concrete pavements.
Winter maintenance: Blizzard riskiness of roads, preventive methods against blizzard. Active maintenance: deicing and snowplowing. Deicing activities: formation of slipperiness, use of abrasive materials, chemical de-icing reagents and mechanical removal of slipperiness. Environmental harm caused by deicing agents. Storages of abrasive materials and deicing reagents. Ice roads. Spring maintenance: low bearing capacity of roads.
Exercises: calculation of salt amount for production of the deicing water solution, calculation of flake salt amount for deicing, calculation of the bearing capacity of the ice road.
Course paper: Estimation of number of needed snow removal and deicing equipment, position/location of equipment on road network. Calculation of quantities of abrasive materials and deicing reagents. Winter maintenance service level requirements and implementation times.
type of assessment in Estonian
Hindeline eksam, lõpphinne kujuneb kahe kontrolltöö hinnete kombinatsioonina
type of assessment in English
Graded exam, final grade will be formed as a combination of grades of two written tests
independent study in Estonian
Harjutused: soola veelahuse valmistamiseks vajaliku soolakoguse arvutus, libedustõrjeks vajaliku helvessoola koguse arvutus, jäätee kandevõime arvutus.
Ainetöö: Talihoolde (lume- ja libedustõrje) mehhanismide vajaduse arvutus, mehhanismide paigutus teedevõrgul. Libedustõrjematerjalide koguse valik. Libedustõrjematerjalide laod. Talihoolduse taseme valik, teeseisundi nõutav tase ja hooldustsüklite kestused.
Harjutusülesannete lahendamine ja teostatud ainetöö on lõpphindamise eeldusteks.
independent study in English
Exercises: calculation of salt amount for production of the deicing water solution, calculation of flake salt amount for deicing, calculation of the bearing capacity of the ice road.
Course paper: Estimation of number of needed snow removal and deicing equipment, position/location of equipment on road network. Calculation of quantities of abrasive materials and deicing reagents. Winter maintenance service level requirements and implementation times.
Solution of exercises and implemented course paper are presumptions for the final grading.
study literature
Loengukonspekt internetis
study forms and load
daytime study: weekly hours
4.0
session-based study work load (in a semester):