Article: New innovative technique for strengthening old ... · strengthening old buttress dams 731...
14
Strengthening Old Buttress Dams 731 NEW INNOVATIVE TECHNIQUE FOR STRENGTHENING OLD BUTTRESS DAMS AND MULTIPLE ARCH DAMS 7KRPDV .RQRZ ABSTRACT 7KLV DUWLFOH SUHVHQWV D QHZ PHWKRG IRU UHFRQVWUXFWLRQ DQG VWUHQJWKHQLQJ RI ROG EXWWUHVV GDPV ZKHUH WKH ROG GDP LV XVHG DV D VKHOO RU IRUPZRUN IRU FRQVWUXFWLRQ RI D QHZ GDP 7KH WHFKQLTXH KDV EHHQ SDWHQWHG LQ 1RUZD\ DQG KDV SURYHQ WR EH FRVW HIILFLHQW LQ FDVHV ZKHUH FRQVWUXFWLRQ RI D QHZ GDP LV WKH RQO\ VROXWLRQ 7KH VROXWLRQ FDQ DOVR EH DSSOLHG DW D IXOO UHVHUYRLU OHYHO ZKLFK FDQ EH D PDMRU DGYDQWDJH LQ PDQ\ FDVHV 7KH QHZ WHFKQLTXH LV SUHVHQWO\ DSSOLHG RQ D IODW VODE EXWWUHVV GDP LQ 1RUZD\ $W WKLV SURMHFW WKH VROXWLRQ KDV SURYHQ WR JLYH FRVW VDYLQJV FRPSDUWHG WR GHPROLWLRQ RI WKH H[LVWLQJ GDP DQG UHFRQVWUXFWLRQ RI D QHZ GDP ,Q DGGLWLRQ WKH VROXWLRQ UHVXOWV LQ D YHU\ VWDEOH DQG VDIH VWUXFWXUH DV VKRZQ E\ H[DPSOHV LQ WKLV SDSHU ,W LV DVVXPHG WKDW WKH VROXWLRQ FDQ EH SDUWLFXODUO\ UHOHYDQW IRU VOHQGHU EXWWUHVV GDPV VXFK DV IODW VODE EXWWUHVV GDPV DQG PXOWLSOH DUFK GDPV ([DPSOHV RI KRZ WKH WHFKQLTXH FDQ EH DSSOLHG RQ WKHVH GDPV DUH DOVR SUHVHQWHG LQ WKLV SDSHU ,W LV FRQVLGHUHG WKDW WKH WHFKQLTXH GHVFULEHG LQ WKLV SDSHU FDQ EH WKH SUHIHUUHG VROXWLRQ HYHQ WKRXJK WKH FRQVWUXFWLRQ FRVWV RI D QHZ GDP LV FRPSDUDEOH EHFDXVH WKH VDIHW\ JDLQHG LV YHU\ IDYRXUDEOH FRPSDUHG RWKHU WUDGLWLRQDO GDP W\SHV INTRODUCTION $FFRUGLQJ WR ,QWHUQDWLRQDO &RPPLVVLRQ 2Q /DUJH 'DPV ,&2/' 7HFKQLFDO GLFWLRQDU\ RI GDPV WKHUH DUH WKUHH W\SHV RI EXWWUHVV GDPV • )ODW VODE EXWWUHVV GDPV RU GHFN GDP • 0XOWLSOHDUFK GDPV •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¡UQVHQ ZKR LPPLJUDWHG WR 7KRPDV .RQRZ &RQVXOWDQW (QJLQHHU ± 'DP 6DIHW\ 1RUFRQVXOW %UXVHWYHLHQ 1 +YDOVWDG 1RUZD\ (PDLO WKRPDVNRQRZ#JPDLOFRP SEMS-RM DOCID # 1161115
Transcript of Article: New innovative technique for strengthening old ... · strengthening old buttress dams 731...
Strengthening Old Buttress Dams 731
NEW INNOVATIVE TECHNIQUE FOR STRENGTHENING OLD BUTTRESS DAMS AND MULTIPLE ARCH DAMS
ABSTRACT
INTRODUCTION
•••
SEMS-RM DOCID # 1161115
732 USSD 2015 Annual Conference
CHALLENGES WITH NORWEGIAN BUTTRESS DAMS
Load situation Factor of safety for Overturning Sliding
Strengthening Old Buttress Dams 733
RECONSTRUCTION OF DAM KROKAVATN
734 USSD 2015 Annual Conference
Dam Safety Evaluation
Alkali Aggregate Reaction (AAR)
Strengthening Old Buttress Dams 735
Rehabilitation Works
736 USSD 2015 Annual Conference
Alternative Cost(NOK)
Cost(US$)
Difference(%)
Evaluation of Stability
Strengthening Old Buttress Dams 737
Pictures of the Construction Works in 2014
738 USSD 2015 Annual Conference
OTHER METHODS FOR STRENGTHENING FLAT SLAB BUTTRESS DAMS
New Slab on the Downstream Side (Alternative A)
Strengthening Old Buttress Dams 739
New Buttresses Only (Alternative B)
740 USSD 2015 Annual Conference
STRENGTHENING OF MULTIPLE ARCH DAMS
Strengthening Old Buttress Dams 741
Reconstruction to a Solid Head Buttress Dam (Alternative C)
742 USSD 2015 Annual Conference
New Buttresses Only (Alternative D)
Strengthening Old Buttress Dams 743
New Slab on the Downstream Side (Alternative E)
744 USSD 2015 Annual Conference
CONCLUSION
