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Title:Načrtovanje sestave mešanice zemljine za uporabo v nenosilnih predelnih butanih stenah
Authors:ID Smolar, Jasna (Author)
ID Bosiljkov, Vlatko (Author)
ID Suša, Manca (Author)
ID Antolinc, David (Author)
Files:.pdf PDF - Presentation file, download (3,84 MB)
MD5: E3D065F9C61C998199F6C0B4581A24F0
 
URL URL - Source URL, visit https://gradbenivestnik.zveza-dgits.si/stevilka/2025_12
 
Language:Slovenian
Typology:1.01 - Original Scientific Article
Organization:Logo ZDGITS - Union of associations of Slovenian civil engineers and technicians
Abstract:Zemljina je, tako kot les in kamen, eden najstarejših gradbenih materialov in je lokalno dostopna ter okolju prijazna. V zadnjih letih se v konceptu krožnega gospodarstva in trajnostne gradnje uporaba butane zemljine ponovno obuja, a trenutno ni ustrezno podprta z veljavnimi področnimi standardi in tehničnimi smernicami, ki bi opredeljevali metode preiskav in minimalne zahtevane lastnosti materiala glede na namen uporabe in dosežene dolgoročne lastnosti po vgradnji. V prvem delu prispevka je povzet koncept uporabe butane zemljine v grajenem okolju, pri čemer so na kratko predstavljene tudi bistvene zahteve nekaterih tujih tehničnih smernic za načrtovanje sestave mešanic. Drugi del obravnava geomehanske laboratorijske preiskave, izvedene pri načrtovanju mešanice za izdelavo nenosilnih testnih sten iz butane zemljine, ter primerja lastnosti mešanic z zahtevami tujih smernic. V tretjem delu so predstavljene mehanske lastnosti dveh nenosilnih testnih sten, izdelanih iz izbrane mešanice. Rezultati geomehanskih laboratorijskih preiskav so spodbudni, saj potrjujejo možnost uporabe standardnih geomehanskih preiskav za načrtovanje sestave in začetno oceno lastnosti mešanice. Za doseganje ustrezne tlačne trdnosti vgrajene mešanice sta ključnega pomena zrnavostna sestava – zlasti delež gline – ter primerna vlaga ob vgradnji. Tlačni preizkus testnih sten je pokazal razmeroma dobro tlačno trdnost, vendar tudi zelo neugoden porušni mehanizem. Slednje je treba v okviru nadaljnjih preiskav in optimizacije mešanice za izdelavo sten izboljšati, predvsem z dodatki naravnih vlaken. Za sledljivo načrtovanje sestave in rabe butane zemljine bi bilo treba izdelati tudi nacionalne tehnične smernice, ki bi upoštevale veljavne področne standarde in zakonodajo ter lokalne posebnosti (razpoložljive lokalne materiale, vplive okolja).
Keywords:butana zemljina, laboratorijske mehanske preiskave, načrtovanje mešanice, vgradljivost, nenosilna stena, zgoščanje, tlačna trdnost
Publication status:Published
Publication version:Version of Record
Year of publishing:2025
Number of pages:str. 196-209
Numbering:Letn. 74
PID:20.500.12556/DiRROS-27354 New window
UDC:624.131:691
ISSN on article:0017-2774
COBISS.SI-ID:265635843 New window
Note:Soavtorji Vlatko Bosiljkov, Manca Suša, David Antolinc;
Publication date in DiRROS:03.02.2026
Views:113
Downloads:60
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Record is a part of a journal

Title:Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije
Shortened title:Gradb. vestn.
Publisher:Zveza društev gradbenih inženirjev in tehnikov Slovenije
ISSN:0017-2774
COBISS.SI-ID:859140 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0185
Name:Potresno inženirstvo
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0180
Name:Vodarstvo in geotehnika: orodja in metode za analize in simulacije procesov ter razvoj tehnologij

Secondary language

Language:English
Title:Design of the soil mixture composition for the use in non-structural partition wall
Abstract:Soil, similar to wood and stone, is one of the oldest construction materials, locally available and environmentally sustainable. In recent years, within the broader framework of the circular economy and sustainable construction practices, interest in rammed earth has grown. However, its wider implementation in Slovenia is still limited by the absence of valid national standards and technical guidelines prescribing testing methods, required material properties, and construction rules. The first part of the article introduces the concept of using rammed earth in contemporary built environments and summarizes key requirements from selected international technical guidelines for mixture design. The second part presents geotechnical laboratory tests performed to develop mixtures suitable for non-structural rammed earth walls, comparing the obtained properties with the criteria defined in foreign standards. The third part examines the mechanical properties of t wo non-structural test walls built from the selected mixture. The laboratory results are promising, demonstrating that standard geotechnical procedures can be effectively applied to mixture design and to the initial assessment of rammed earth characteristics. The achieved compressive strength of the compacted mixture is shown to depend mainly on particle size distribution and on ensuring appropriate moisture levels at the time of compaction. Compressive testing of the walls indicated relatively high compressive strength but also revealed an unfavourable failure mechanism. Addressing this behaviour in future research will likely require modifications to the mixture, such as the incorporation of natural fibres. To support systematic mixture design and encourage broader use of rammed earth construction in Slovenia, the development of national technical guidelines is essential. These guidelines should harmonize with existing international standards while taking into account local conditions (material availability, ...).
Keywords:rammed earth, laboratory mechanical testing, soil mixture design, co workability, non-structural wall, compaction, compressive strength


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