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Estimating rock mass long-term strength using in-situ measurement and testing results
Wattimena R.K.a, Rai M.A.a, Kramadibrata S.a, Arif I.a, Dwinagara B.b
a Department of Mining Engineering, Institut Teknologi Bandung, Indonesia
b Department of Mining Engineering, UPN Veteran Yogyakarta, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© ISRM International Symposium – 5th Asian Rock Mechanics Symposium 2008, ARMS 2008. All rights reserved.A method for estimating rock mass long-term strength (δLT) using the results of in situ measurement and test has been developed. It consists of estimation of rock mass strength (δcm) using Hoek-Brown criterion, determination of rock mass modulus of deformation (Em) through Goodman’s jack test, and construction of rock mass rheological model based on displacement monitoring data, taking into account the stress changes due to stoping activities underneath the test and monitoring locations. The rheological model is used to determine the rock mass long-term modulus of deformation (ELT). It is proposed that the long-term strength of rock mass can be estimated by using the rock mass strength and deformation modulus, rock mass long term modulus, and a coefficient that depends on the rock mass characteristics.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Deformation modulus,Displacement monitoring,Hoek-brown criterion,Long-term strength,Monitoring locations,Rheological modeling,Rock mass,Rock mass characteristics[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Hoek-Brown Criterion,Long-Term Strength,Rheological Model,Rock Mass[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]The authors thank the Ministry of National Education of the Republic of Indonesia, Institut Teknologi Bandung, PT Aneka Tambang, Tbk., and Kyushu University for sponsoring the work reported in this paper.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]