SECTIONS FOR MINE ROADWAY SUPPORTS AND TUNNELS

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Bartholomew Walton
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1 SECTIONS FOR MINE ROADWAY SUPPORTS AND TUNNELS 1

2 Success is a journe, not a destination. Ben Sweetland 2

KOCAER ROLLING MILL is currentl continuing its production activities in a total area of 270 tousand m 2 in wic 70 tousand m 2 is covered facilit.

3 COMPANY PROFILE KOCAER GROUP commenced its operations in te iron and steel sector in te earl 1960s in Denizli. KOCAER ROLLING MILL, te first compan of KOCAER GROUP, establised its second and tird facilities in te Aliaga Region/Izmir in 1996 and 2008 respectivel. KOCAER ROLLING MILL is currentl continuing its production activities in a total area of 270 tousand m 2 in wic 70 tousand m 2 is covered facilit. Having iger objectives, KOCAER ROLLING MILL as increased its total annual capacit to Mtons wit te modernization investments. In addition to its standard products, for specific projects, te compan manufactures special products, ranging up to 18 meters in its facilities for mining, sip building, railroads, automotive and agricultural maciner industries. Also, products wit te desired qualit, diverse dimensions and standards are manufactured based on te specific requests of te clients. KOCAER ROLLING MILL as equipped all of its production lines wit te tecnological infrastructure ensuring te manufacturing of uniform products. KOCAER ROLLING MILL consistentl enances its success wit a wide range of products, and manufactures Equal Angles (20 mm to 200 mm), UPN / PFC and UAC Profiles (30 mm to 300 mm), IPN, IPE, IPEA, and IPEAA Profiles (80 mm to 300 mm), RSJ Profiles (76 mm to 203 mm), T-Bars (25 mm to 50 mm), Flat Bars (20 mm to 150 mm), Square Bars, Round Bars (10 mm to 50 mm) and special grade ig tensile flats and sections for railroad, automotive and agricultural maciner industr, TH70/29-34 and GI120No profiles (DIN21530) for mining industr, Bulb flats for sip building, F2, F3-A and F7 tpe window sections wic are designed b Kocaer (registered b te Turkis Patent Institute). KOCAER ROLLING MILL controls ever stage of its production process wit te utmost attention in order to increase customer satisfaction. It certifies te qualit in ever stage of its process, from te raw material procurement to te deliver of te finised products, wit its professional experts and ig tecnolog qualit control equipment. Te ISO 9001 International Qualit Management Sstem Certificate, CE Marking Production Control Certificate, IRAM S-Mark Certificate and te TSE Certificate of Compliance wit Turkis and EN standards are just a few of te certificates wic document tis success. Wit te elp of te significant investment in te engineering force and infrastructure, KOCAER ROLLING MILL conducts its activities at its certified R&D department and accredited laboratories; first in te private rolling mills in Turke; wit superior attention in its advanced tecnolog production facilities. Wit export activities in over 100 countries, te KOCAER ROLLING MILL olds a significant place in te sector, and was included in te top 100 Largest Export Companies according to te Turkis Exporters Assembl since 2008; te 63rd on 2014 wit an export turnover of more tan USD200 million. A1 PLANT A2 PLANT 1

4 MINE AND TUNNEL PROFILES STEEL GRADES STEEL GRADE STANDARD YIELD STRENGTH TENSILE STRENGTH ELONGATION (min) (min) (min) σ ield σ tensile ε (N/mm 2 ) (N/mm 2 ) (%) S 550 W ZN/TT/2012/ S 480 W PN-H Mn4 DIN MnV7 DIN S235JR EN S275JR EN S355JR EN KOCAER ROLLING MILL HAS ESTABLISHED THE FIRST RESEARCH AND DEVELOPMENT CENTER CERTIFIED BY THE MINISTRY OF SCIENCE, INDUSTRY AND TECHNOLOGY IN LONG STEEL SECTOR OF TURKEY 2

TH PROFILES DIN 21530 B H x x THE ADVANTAGES OF RUNNING TH JUNCTIONS TH profiles are widel used in underground mines and railroad/igwa tunnels, providing not onl a iger resistance but also a ielding

5 TH PROFILES DIN B H x x THE ADVANTAGES OF RUNNING TH JUNCTIONS TH profiles are widel used in underground mines and railroad/igwa tunnels, providing not onl a iger resistance but also a ielding support to stabilize te underground cavities. One of te most significant advantages of TH profiles against I and H profiles is teir abilit to provide same ig tensile momentum on bot cross sections (X-X and Y-Y) trougout te profile. Besides te ease of assembl, dismantling and ig performance at te junctions; te maintain full support during te decreasing cross section of te underground cavit b sliding on eac oter witout major deformation. Next to te superior design advantages, te use of ig tensile steel (31Mn4-S480W-S550W) during te production also maintains ig durabilit performance. Te major accessories of TH profiles are te clamps enabling te ease of sliding of te profiles on eac oter and te traversal junctions tat assist to work te profiles simultaneousl. It is crucial to torque te clamps and te traversal junctions for te sstem to work efficientl. PROFILE PROPERTIES SIZE MASS SECTIONAL AREA B H Ix I Wx W (kg/m) (cm 2 ) mm mm (cm 4 ) (cm 4 ) (cm 3 ) (cm 3 ) TH 21 20,9 26,7 127,0 108, TH 25 25,0 31,9 136,0 118, TH 29 29,0 37,0 150,0 124, TH 34 33,8 43,1 171,0 136, TH 36 35,9 45,7 171,0 138, TH 40 39,9 50,9 172,0 145, TH 42 41,8 53,3 172,0 146, TH 44 43,7 55,7 172,0 147,

) (cm 4 ) (cm 3 ) (cm 3 ) 29,5 35,7 39,1

6 GI PROFILES DIN s x x t d b PROFILE PROPERTIES SIZE GI 120No MASS SECTIONAL AREA SECTIONAL AREA b s t d e r Ix I Wx W (kg/m) d (cm 2 ) b (cm 2 ) mm mm mm mm mm mm mm (cm 4 ) (cm 4 ) (cm 3 ) (cm 3 ) 29,5 35,7 39,1 120,0 100,0 8,8 15,3 86,0 54,0 15,

HEA PROFILES Dimensions: DIN 1025-3:1994 (IPBl Series) Tolerances: EN 10034:1994 v e X 1 r a v X X b Size b s t G A Jx Wx ix J W i Ss sx (mm) (mm) (mm) (mm) (kg/m) (cm 2 ) (cm 4 ) (cm 3 ) (cm) (cm 4

7 HEA PROFILES Dimensions: DIN :1994 (IPBl Series) Tolerances: EN 10034:1994 v e X 1 r a v X X b Size b s t G A Jx Wx ix J W i Ss sx (mm) (mm) (mm) (mm) (kg/m) (cm 2 ) (cm 4 ) (cm 3 ) (cm) (cm 4 ) (cm 3 ) (cm) (cm 3 ) (cm) HE 100 A ,7 21,24 349,2 72,76 4,06 133,8 26,76 2,51 41,14 8,0 HE 120 A ,9 25,34 606,2 106,3 4,89 230,9 38,48 3,02 58,85 9,8 HE 140 A ,5 8,5 24,7 31, ,4 5,73 389,3 55,62 3,52 84,85 11,6 HE 160 A ,4 38, ,1 6,57 615,6 76,95 3,98 117,6 13,4 HE 180 A ,5 35,5 45, ,6 7,45 924,6 102,7 4,52 156,5 15,2 HE 200 A , ,3 53, ,6 8, ,6 4,98 203,8 17,0 HE 220 A ,5 64, ,2 9, ,7 5,51 270,6 18,8 HE 240 A , ,3 76, ,1 10, , ,7 20,6 HE 260 A ,5 12,5 68,2 86, ,4 10, ,1 6,5 430,2 22,5 HE 280 A ,4 97, , , ,1 24,4 HE 300 A , , , ,6 7,49 641,2 26,2 HE 320 A ,5 97,6 124, , ,7 7,49 709,7 27,9 HE 340 A ,5 16, , , ,7 7,46 755,9 29,7 HE 360 A , , , ,8 7,43 802,3 31,5 HE 400 A , ,9 7,34 872,9 35,2 HE 450 A , , ,29 965,5 39,8 HE 500 A , , ,1 7, ,4 5

IPN PROFILES Dimensions: DIN 1025-1:1995 Tolerances: EN 10024-1996 Y r2 r1 X X s 14 % t Y b b 4 Size b s t G A U Jx Wx ix J W i Ss lt lw (mm) (mm) (mm) (mm) (kg/m) (cm 2 ) (m 2 /m) (cm 4 ) (cm 3 )

8 IPN PROFILES Dimensions: DIN :1995 Tolerances: EN Y r2 r1 X X s 14 % t Y b b 4 Size b s t G A U Jx Wx ix J W i Ss lt lw (mm) (mm) (mm) (mm) (kg/m) (cm 2 ) (m 2 /m) (cm 4 ) (cm 3 ) (cm) (cm 4 ) (cm 3 ) (cm) (mm) (cm 4 ) (mm 6 ) IPN ,304 77,7 19,50 3,20 6,29 3,00 0,91 21,60 0,87 0,09 IPN , ,0 34,20 4,01 12,20 4,88 1,07 25,00 1,60 0,27 IPN , ,0 54,70 4,81 21,50 7,41 1,23 28,40 2,71 0,69 IPN , ,0 81,90 5,61 35,20 10,70 1,40 31,80 4,32 1,54 IPN , ,0 117,00 6,40 54,70 14,80 1,55 35,20 6,57 3,14 IPN , ,0 161,00 7,20 81,30 19,80 1,71 38,60 9,58 5,92 IPN , ,0 214,00 8,00 117,00 26,00 1,87 42,00 13,50 10,50 IPN , ,0 278,00 8,80 162,00 33,10 2,02 45,40 18,60 17,80 IPN , ,0 354,00 9,59 221,00 41,70 2,20 48,90 25,00 28,70 IPN , ,0 442,00 10,40 288,00 51,00 2,32 52,60 33,50 44,10 IPN , ,0 542,00 11,10 364,00 61,20 2,45 56,40 44,20 64,60 IPN , ,0 653,00 11,90 451,00 72,20 2,56 60,10 56,80 91,80 6

9 SAMPLE DRAWINGS OF GALLERY CROSS SECTIONS TH - GI Mine and IPN-HEA Tunnel Applications S S 4 piece (Horse Soe) galler 3 piece (Horse Soe) galler H S S S Diversion cannel Railroad and igwa tunnel S Trapezoidal galler section 7

10 TH CLAMPS AND TRAVERSAL JUNCTIONS Clamps are produced wit 31Mn4 and S480W steel grades. NPU traversal junctions are produced according to te customers applications of TH / GI Profile assembl intervals *Traversal junctions are assembled wit bottom and top notced clamps. 8

11 Success is a journe, not a destination. 9

12 Rev. 05/15

Dear Business Partners,

PRODUCT CATALOGUE Dear Business Partners, MERETUK FOREIGN TRADE is an independent steel trading company based in Iskenderun / Hatay / TURKEY. We are involved in trading and marketing of long, tubular,