brief introduction to imrk, elektronski.nov16 - … · 2017-02-23 · power transmission lines...

Brief introduction to IMRK

POWER TRANSMISSION LINES ENGINEERING Testing of metal and metal lattice structures - IMRK

Phone2: ++387 33 703 787

POWER TRANSMISSION LINES ENGINEERING


TESTING OF METAL AND METAL LATTICE STRUCTURES /13

Contents Page

ENERGOINVEST CERTIFICATES OF APPROVAL .........................................3

GENERAL INFO ON IMRK .............................................................................6

REFERENCES .................................................................................................8

SUPERVISION AND CONSULTING................................................................11

OUTLINE OF IMRK TESTING FACILITY .......................................................12

CONTACT INFO .............................................................................................13




ENERGOINVEST CERTIFICATES OF APPROVAL




GENERAL INFO ON IMRK

IMRK - Testing of metal and metal lattice structures is a specialized organizational unit of the Power Transmission Lines Engineering, a part of Energoinvest dd Sarajevo. The facility has been initially established within Energoinvest back in 1956, and has been performing the testing of metal and metal lattice structures ever since. In 1970, testing facility was situated on its current location and named the Institute for experimental research of metal lattice structures. The abbreviation of this title in Bosnian – IMRK, has become a “trade mark” of Energoinvest’s tower testing station kept to this day. Unlike most tower testing facilities, IMRK has the advantage of being located in the city urban zone and next to a factory of transmission line towers.

ACTIVITIES OF IMRK

Basic activities of IMRK consist of:

Preparation of test programmes for the mechanical testing of transmission line steel structures, metal and metal lattice structures Mechanical testing of transmission line towers including draft of technical elaboration and issuance of adequate test certificates Experimental research of metal structures with the aim of accomplishing technical improvement in the field and upgrading the economic feasibility with respect to manufacture and erecting

SCOPE OF SERVICES FOR MECHANICAL TESTING OF THE STRUCTURES

Draft of test programs based on the data and load cases specified by the static calculation Designing and manufacture of the mechanical system of links for the entire equipment and measuring devices included in the testing process Designing and manufacture of necessary rigging elements for selected load points on the towerTechnical control of structures and built-in material Mechanical testing of the structures Photographing of the course of testing Technical analyses of the performed tests, including issuance of test certificates




TECHNICAL CHARACTERISTICS AND CAPACITY OF THE TESTING FACILITY

The IMRK testing facility includes:

A universal/adjustable foundation Transverse tower (T-tower) Longitudinal tower (L-tower) CranePulling devices (tirfors) Measuring instruments-wireless load cells: 18 pcs (+/- 0.1%)

-mechanical dynamometers: 50 pcs (+/- 2%)

Dimensions and capacities of the testing facility elements are as follows:

Universal foundation 17x40 = 680 m2

T-tower height 50 m L-tower height 50 m Crane height 57 m Beams’ length 40 m Beam bearing capacity:

- at the beam end 10 kN - in the beam center 20 kN

The aforementioned technical characteristics of the testing facility enable:

Realization of a horizontal loading in the form of concentrated forces within a continuous height range from 0 to 50m above the universal foundation Simultaneous application of up to 50 concentrated forces on the tower in the following way:

- in transversal direction - 20 - in longitudinal direction - 16 - in vertical direction - 14

(NOTE: directions are perpendicular to each other and refer to direction of a transmission line)

More specifically, the IMRK testing station is capable of performing:

Testing of T/L towers with the maximal base of 16m x 16m and maximal height of H=50-55 m (highest ever tested 57 m) Application of concentrated tensile forces up to 120 kN in one direction manually through tirfors and pulley systems, with force measurement using load cells and mechanical dynamometers (higher intensities possible if using load splitting per point) Monitoring of loads applied on load cells done individually by indicators in the field and overall by central PC with customized software displaying all corresponding loads Mechanical testing through static loading of supporting transmission line towers with a voltage level up to 500 kV, maximum overturning moment of M=50000 kNm and maximum force intensity in compressed or tensioned foundation stub of F=2000 kN




REFERENCES

Since its establishment on the current location in 1970, IMRK has tested more than four hundred towers of various types. More specifically:

Transmission line steel structured towers of different types and kinds (suspension, tension, terminal, tangent angle, crossing etc.) Aestetich design towers Railway, tram and trolleys traffic towers Ski-lifts, chairlifts, industrial cableway traffic towers Antenna support towers

Transmission line towers have been tested for clients from more than 40 countries, as it is specified in the table presented below:

LIST OF T/L TOWERS TESTED BY IMRK 1970-CURRENT

COUNTRY VOLTAGE LEVEL [kV]

NUMBER OF TESTED TOWERS YEAR OF TESTING

110 1 2015 AFGHANISTAN 220 1 2013 110 2 2013,2014 ALBANIA400 2 2014,2015 220 8 1992,2003,2004,2005 ALGERIA400 2 2004

ANGOLA 220 1 2009 BANGLADESH 132 3 2006 BENIN 161 1 2007

10 2 1983,1985 20 6 1976,1977 35 5 1985,1988,1990 110 7 1976,1977,1979 220 2 1976 380 1 1977 400 2 1987

BOSNIA

GSM tower 1 2011 BULGARIA 110 1 2013

66 1 1977,1986 132 2 1990 BURMA/MYANMAR 230 2 2007

CHILE 220 5 1990,2012 CONGO DR 220 6 2010 COSTA RICA 230 2 1982 CEYLON (SRI LANKA) 33 13 1987,1989

66 3 1970 CYPRUS132 2 1970 35 1 1980 110 8 1972,1976,1977,1978,1985 220 3 1971,1976 380 7 1975,1976,1977

CROATIA

400 2 1990 EGYPT 220 19 1981,1982,1987/8/9,2000,2001

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45 2 1978 66 3 2006 110 3 1999 132 11 1977,1985,2004,2006,2007

ETHIOPIA

230 17 1970,1971,1985, 1989,1999,2005,2009,2012

35 4 1988 GHANA161 13 1979,1987,1988,2005,2014 70 4 1978,1990 INDONESIA150 9 1977,1983,1990 33 1 1987 63 3 1987,2006 132 3 1985, 2005,2007 IRAN

230 23 1975,1980,1982,1983, 1985,1992,2007,2009

33 25 1970,1988,1989,1990,2005

132 44 1971,1976,1978,1980,1981 1982,1984,1985,1986,2004/6/7

IRAQ

400 11 1976,1977,1978,1981/2/5/6 IRELAND 110 2 1999 JAMAICA 69 2 1985 JORDAN 132 2 2011 KENYA 132 2 2009,2010 KOSOVO 110 3 2009,2010

30 14 1971,1973,1990, 1994,1997

66 18 1979,1988,1990,2000/04/05/06LIBYA

220 4 1978,1982 MACEDONIA 110 7 1984, 2012,2014

132 6 1983,1989 MALAYSIA275 8 1979,1985,1987,1990

MALAWI 132 1 2004 66 2 2003 110 4 2013,2014 MOZAMBIQUE 275 1 2014 33 1 1986 132 7 1986, 2002,2014 NIGERIA330 1 2003

NICARAGUA 69 1 1985 OMAN 132 4 1985,1986

132 2 1971,1974 220 6 1984,1988 PAKISTAN500 2 1984,1988

POLAND 110 2 2011

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- continued –






60 3 2010 66 2 2013 PERU220 2 2013 110 4 1989,2003 380 2 1974

SERBIA AND MONTE NEGRO

400 3 1991,2009 SLOVENIA 380 2 1974 SUDAN 110 1 1990 SYRIA 230 3 2004 TANZANIA 220 2 1980,1984

115 5 1989,1992 132 1 2004 THAILAND 230 3 1991 154 11 1983,1990,1991 TURKEY 380 4 1984

TURKMENISTAN 35 1 2012 UAE 220 1 1979 TOGO 63 1 2013 YEMEN 132 2 2008 ZAIRE 110 3 1983

66 4 1972 132 2 2014 ZAMBIA330 3 1978,1979

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SUPERVISION AND CONSULTING

Testing performances carried out by IMRK for the aforementioned countries and towers were witnessed by the representatives of the following well-known consulting offices:

CONSULTANT/CONTRACTOR COUNTRY

ACRES, ONTARIO CANADA AECOM CONSULTANTS INC. CANADA BUREAU VERITAS BELGIUM CANSPECT CORPORATION CANADA CROWN AGENTS ENGLAND DE CROWN NIGERIA EDISON-HUBBARD CORP, MANILA PHILIPPINES ENGIMAIS PORTUGAL EPDC SIDCUP ENGLAND EWBANK PREECE Ltd., BRIGHTON ENGLAND FICHTNER GERMANY GHODS-NIROO, TEHERAN IRAN HIFAB OY FINLAND INC, OSAKA JAPAN INSPECTORATE INTERNATIONAL SA, NEWCHATEL SWITZERLAND

INTEC/GOPA GERMANY ISI-INT AUSTRIA JUGOINSPEKT, SARAJEVO B & H KENNEDY & DONKIN ENGLAND LAHMEYER GERMANY LLOYD'S REGISTER OF SHIPPING ENGLAND MERZ & MC LELLAN NEWCASTLE ENGLAND MONIRAN IRAN MOTOR COLUMBUS, BADEN SWITZERLAND MVV DECON GERMANY NEWJEC JAPAN NIPPON KOEI Co Ltd. JAPAN NORCONSULT, SANDVIKA NORWAY POWER LINK CONSULTING IRAQ PARSONS BRINCKERHOFF Ltd ENGLAND POWER SYSTEMS NESPAK, LAHORE PAKISTAN RSW Inc., MONTREAL CANADA SOCIETE GENERALE DE SURVEILLANCE, GENEVE SWITZERLAND

CONTACT INFO

TESTING OF METAL AND METAL LATTICE STRUCTURES

Džemala Bijedi a 173 - 71000 Sarajevo - Bosnia and Herzegovina Tel1: +387 33 451 424 Tel2: +387 33 703 787 E-mail: [email protected]

is a part of

ENERGOINVEST, dd - SARAJEVO POWER TRANSMISSION LINES ENGINEERING

Hamdije emerli a 2 - 71000 Sarajevo - Bosnia and Herzegovina Tel: +387 33 703 606 Fax: +387 33 657 672 E-mail: [email protected]

Web: www.energoinvest.ba

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brief introduction to imrk, elektronski.nov16 - … · 2017-02-23 · power transmission lines...

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