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Tester
Geogrid sample with LVDT attached
Test equipment: Korea Apparel Testing & Research Institute(KATRI)
Standard test method: Cantilever method
Testing organization: Korea Institute of Construction Technology

Classification
Details
Tester
     Tensile creep tester
Temperature
     212
Humidity
     50~70%(Relative humidity)
Load
     20%,30%,40% and 60% of maximum tensile strength recommended
Maximum loading hour
     10,000 or more recommended
Sample size
     Length : including more than 3 ribs       
     Width : including more than 3 grid aperatures
Length measured for tensile stress test
     Length between the central points of junctions
     (including at least one junction)nctions
Tested qualities
     Hours for different load tests
     - Tensile strength reduction coefficient by creep

Results

Classification
4t
6t 8t
Construction decrement coefficient,RFid
Decomposed granite soil
(Maximum particle diameter, mm)
19 1.01
1.01
1.00
40
1.03
1.01
1.00
60 1.05
1.04
1.00
80 1.05
1.05
1.02
25mm rubble   1.06 1.05 1.05
25mm~60mm rubble   1.68 1.62 1.50
Creep decrement coefficient, RFcr 1.67
 
Head office : 1214, Garak-daero, Gangseo-gu, Busan, Republic of Korea       Tel : 070-4827-4066       Fax : 055-346-1724
Branch(factory) : 103-63, Gomo-ro 324beon-gil, Jillye-myeon, Gimhae-si, Gyeongsangnam-do, Republic of Korea       
                          Tel. 82-55-346-1722~3    l   Fax. 82-55-346-1724    l   E-mail. totogrid@naver.com
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