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Statements

Subject Item
n2:RIV%2F68407700%3A21610%2F14%3A00222535%21RIV15-GA0-21610___
rdf:type
n6:Vysledek skos:Concept
dcterms:description
This paper introduces a real case from construction practice illustrating extensive damage to concrete slit drains, followed by the relevant computer simulation. From the computer simulation and lab tests it follows that the failures of concrete slit drains can be easily caused by deformations of the concrete slabs constituting the surrounding multi-layer road system. Thermally-induced expansions and contractions, as well as concrete shrinkage, produce, in non-dilating connection, stress in the link between the multi-layer road system and the lateral walls of the slit drains. The slit drains are highly sensitive even to a very small malfunction of the expansion joints (e.g. clogging of the slit by solid materials), or their bad installation. It is apparent that failures (cracks) in the slits arise even by the slight compression of a slit drain (to the order of tenths of a millimetre). The analysis presented shows the necessity for a careful installation of expansion joints during the placement of the slit drains into the surrounding multi-layer system, which could induce horizontal pressures on the drains. The study is concluded by recommendations for designers. This paper introduces a real case from construction practice illustrating extensive damage to concrete slit drains, followed by the relevant computer simulation. From the computer simulation and lab tests it follows that the failures of concrete slit drains can be easily caused by deformations of the concrete slabs constituting the surrounding multi-layer road system. Thermally-induced expansions and contractions, as well as concrete shrinkage, produce, in non-dilating connection, stress in the link between the multi-layer road system and the lateral walls of the slit drains. The slit drains are highly sensitive even to a very small malfunction of the expansion joints (e.g. clogging of the slit by solid materials), or their bad installation. It is apparent that failures (cracks) in the slits arise even by the slight compression of a slit drain (to the order of tenths of a millimetre). The analysis presented shows the necessity for a careful installation of expansion joints during the placement of the slit drains into the surrounding multi-layer system, which could induce horizontal pressures on the drains. The study is concluded by recommendations for designers.
dcterms:title
Failures of Concrete Slit Drains, Caused by Inappropriate Dilation Material Inserted into Multi-Layer Road Systems Failures of Concrete Slit Drains, Caused by Inappropriate Dilation Material Inserted into Multi-Layer Road Systems
skos:prefLabel
Failures of Concrete Slit Drains, Caused by Inappropriate Dilation Material Inserted into Multi-Layer Road Systems Failures of Concrete Slit Drains, Caused by Inappropriate Dilation Material Inserted into Multi-Layer Road Systems
skos:notation
RIV/68407700:21610/14:00222535!RIV15-GA0-21610___
n3:aktivita
n18:P
n3:aktivity
P(GBP105/12/G059)
n3:dodaniDat
n4:2015
n3:domaciTvurceVysledku
n17:1063685
n3:druhVysledku
n21:D
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n22:predkladatel
n3:idSjednocenehoVysledku
16398
n3:idVysledku
RIV/68407700:21610/14:00222535
n3:jazykVysledku
n5:eng
n3:klicovaSlova
Dilation; Extruded polystyrene; Slit drains; XPS
n3:klicoveSlovo
n8:Extruded%20polystyrene n8:Slit%20drains n8:XPS n8:Dilation
n3:kontrolniKodProRIV
[D3E2605571FC]
n3:mistoKonaniAkce
Haikou
n3:mistoVydani
ZURICH
n3:nazevZdroje
4th International Conference on Civil Engineering, Architecture and Building Materials
n3:obor
n7:JM
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n20:GBP105%2F12%2FG059
n3:rokUplatneniVysledku
n4:2014
n3:tvurceVysledku
Kolísko, Jiří Tej, Petr
n3:typAkce
n19:WRD
n3:zahajeniAkce
2014-05-24+02:00
s:issn
1660-9336
s:numberOfPages
4
n12:doi
10.4028/www.scientific.net/AMM.587-589.1148
n16:hasPublisher
TRANS TECH PUBLICATIONS LTD
n13:isbn
9783038351672
n9:organizacniJednotka
21610