随着桥梁设计水平和施工技术的日见成熟，桥梁的建设取得了突破性的成就，一批大跨径桥梁应运而生，桥梁建设正朝着规模的大型化、形式的轻柔化、功能的复杂化发展。同时，桥梁结构的性与耐久性越来越受到人们的高度重视，有关大型桥梁的结构健康监测、评估以及寿命预测等问题已经成为当前桥梁工程界解决的问题。目前，随着传感测试技术、计算机信息处理技术、结构分析技术和桥梁工程技术等相关学科的进一步发展，针对特大型桥梁结构的监测与预警研究和实践成为可能。原本应用于军事领域的先进智能材料与结构技术，也在桥梁结构健康监测领域得到应用，使得对大型桥梁结构进行健康监测的技术总体上正朝着智能化和系统化的方向发展。
STROMBERG OKYM 175W22 220/240V-AC 50/60/125/150HP 400A
ALLEN BRADLEY 800T-XA7 SHALLOW CONTACT BLOCK SIZE 1
ALLEN BRADLEY 190-A40B 480V-AC 10A AMP 27KW CONTACT
PRODUCTS UNLIMITED 3100-20h18351C 2 POLE 480V-AC CONTAC
ALLEN BRADLEY 100S-C12DJ14C 24V-DC 10HP 25A AMP AC
SPRECHER+ SCHUH CA7-37-10 120V-AC 30HP 50A AMP CONT
ALLEN BRADLEY 100-C09DD10 690V-AC 20-32A CONTACTOR
TELEMECANIQUE LC1-D0910N5 415V-AC 7.5HP 20A AMP AC
CUTLER HAMMER E511A06X3N DC 24V-DC 3HP 6A AMP REVER
ALLEN BRADLEY 500F-COB930 A SIZE 2 AC 460-480V-AC 25HP
ALLEN BRADLEY 100-K12D10 MINI AC 110/120V 5-1/2HP 1
ALLEN BRADLEY 100-C09ZJ10 W/ 100-F 24V-DC 7.5HP 25A AMP
SIEMENS 3RT1045-1AK60 SIRIUS 110/120V-AC 75HP 105A
SIEMENS HA261234 AUXILIARY KIT 250V-AC 3/4HP 10A AM
ALLEN BRADLEY 104-C16DJ22 24V-DC 32A AMP REVERSING
GENERAL ELECTRIC MC1A310ATJ 120V-AC 5HP 16A AMP CON
ALLEN BRADLEY 100S-C12ZJ14C GUARDMASTER 24V-DC 10HP
WESTINGHOUSE S-1115656-C COIL 220/380/440/480?V-AC C
ALLEN BRADLEY 100-FA20 AUXILIARY CONTACT BLOCK D365
GENERAL ELECTRIC GE 6960067G001 3P POLE SIZE 4 REPLACEM
CUTLER HAMMER CE15GNS3AB EATON AC 110-120V-AC 30HP
WESTINGHOUSE 9969D92G01 COIL REPLACEMENT PARTS 110V
WESTINGHOUSE 1617648 B COIL REPLACEMENT PARTS 220V-
ALLEN BRADLEY 100-C12ZD400 600V-AC 110V-DC 10HP 25A
ABB A9-30-01-80 A9-30-01 220-230/230-240?V-AC 7.5HP 25A
SQUARE D 8502SEO2S 120V-AC 50HP 90A AMP SIZE 3 AC C
SIEMENS 3RT1045-1AT60 SIRIUS SIZE 3 600V-AC 75HP 10
SIEMENS 3RT1045-1AT60 SIRIUS SIZE 3 600V-AC 75HP 10
GENERAL ELECTRIC GE 6960067G001 3P SIZE 4 REPLACEMENT P
ALLEN BRADLEY 104-C12ZJ22 REVERSING 24V-DC 10HP CON
TELEMECANIQUE LC1D326BL 24V-DC 20HP CONTACTOR D3846
ABB B40C-1 3P AUXILIARY 1NC 120V-AC 30/40HP 65A
ALLEN BRADLEY 100S-C30DJ14C GUARDMASTER C AC 24V-DC 25H
ALLEN BRADLEY 100S-C23ZJ14C GUARDMASTER AC 24V-DC 1
KLOCKNER MOELLER DIL2VH/61 3 PHASE 110/115V-AC 25A
ALLEN BRADLEY 100-C09EJ10 DC 24V-DC 20A AMP CONTACT
AMETEK HB7WL3603B DC 36V-DC 200A AMP CONTACTOR D269
HYSTER 0271883 FORKLIFT 48V-DC CONTACTOR D255668
ALLEN BRADLEY CB273 OPERATING COIL 460-480V-AC REPL
KLOCKNER MOELLER DIL00M W/ 22DILM CONTACT BLOCK 120V-AC
SQUARE D 8502SCO2V03 SIZE 1 AC 240V-AC 10HP 27A AMP
CUTLER HAMMER C10BN3 MAGNETIC 120V-AC 18A AMP SIZE
ALLEN BRADLEY 100S-C09ZJ14C SERIES A 600 VAC MAXIMUM 24
TELEMECANIQUE RM1-XA IN 4 A 600V-AC 10A AMP AC CONT
GE 15D21G002 115-120V-AC REPLACEMENT PARTS CONTACTO
ALLEN BRADLEY 100-C16ZD10 SER B AC 24V-DC 15HP 30A
GENERAL ELECTRIC GE CR105X100P AUXILIARY CONTACT KI
WESTINGHOUSE 9969D90G01 3P COIL REPLACEMENT PARTS 1
CUTLER HAMMER CE15SN3A FREEDOM IEC SIZE S 3P AC 120
SYLVANIA T77U011-76 MAGNETIC 110-120V-AC 3HP SIZE 1 AC
CUTLER HAMMER 9-1359-41 SIZE 2 REPLACEMENT COIL 120
WESTINGHOUSE J11 9084A17G01 AUXILIARY CONTACT INTERLOCK
CMC S-40 24V-DC 10A AMP DC CONTACTOR D466599
ALLEN BRADLEY 100-FA40 AUXILIARY CONTACT BLOCK 10A
KLOCKNER MOELLER DIL1M-G 24V-DC 25HP 125A AMP AC CONTAC
SQUARE D 31123-514-50 CONTROL MODULE D390542
ALLEN BRADLEY 895-A1 AUXILIARY CONTACT SER A SIZE 1
GENERAL ELECTRIC GE CR9503209CAB202 COIL 110V-AC CO
TELEMECANIQUE LC1D25BL SQUARE D DC 24V-DC 15HP 25A
ALLEN BRADLEY 100-C23DJ200 CONTACTOR 24V DC 15HP 32
SIEMENS 3RA13158XB301AB?0 REVERSING 24V-AC 16A AMP 1
ALLEN BRADLEY 100-C23DJ300 24V-DC 15HP 30A AMP CONT
MOELLER DIL0M-G 24V-DC 7.5KW 35A AMP CONTACTOR B321
ALLEN BRADLEY 100-C12KD10 3 POLE SER A SIZE 1 110V-
WESTINGHOUSE 1190146C COIL REPLACEMENT PARTS CONTAC
WESTINGHOUSE 1620146 SIZE 5 MAIN CONTACT KIT D23496
ALLEN BRADLEY 104-A12ND3 REVERSING AC 120V-AC 10HP
GENERAL ELECTRIC GE IC2800 A501 AB24 D 100A AMP DC CONT
TELEMECANIQUE LC1 D0901F7 110V-AC 7.5HP 20A AMP CON
ALLEN BRADLEY 509-AOD SIZE 0 AC 120V-AC 5KW 18A AMP
LOVATO DP16 24V-DC 20HP 180A AMP CONTACTOR B284287
ALLEN BRADLEY 500F-AOD930 SER B SIZE 0 115-120V-AC
TELEMECANIQUE TC1-D2510 120V-AC 20HP 40A AMP AC CONTACT
SIEMENS 3TH80 22-0A 2NO 2NC CONTROL 115V-AC 16A AC
ALLEN BRADLEY 100S-C30EJ14C GUARDMASTER 24V-DC 25HP
ALLEN BRADLEY 702-TOD92 SIZE 00 AC 115-120V-AC 2HP
CLARK 980785 DC 24V-DC CONTACTOR D255594
WESTINGHOUSE SIZE 5 COIL 440V-AC D390410
ALLEN BRADLEY 100S-C23D14C SER C 120V-AC AC CONTACT
ASEA EH22C-22 3POLE 240V-AC 25HP 43A AMP CONTACTOR
ALLEN BRADLEY 100S-C23DJ14C SAFETY 24V-DC 23A AMP C
ALLEN BRADLEY 100-C37UZJ10 SER B 24V-DC 30HP 50A CO
ALLEN BRADLEY 2100H-N19 AUXILIARY CONTACT MOTOR CON
DECCO 9-2582 COIL REPLACEMENT PARTS 115V-AC CONTACT
ALLEN BRADLEY 500-AOB93 SIZE 0 AC 460-480V-AC 5HP 1
SPRECHER+ SCHUH CA8-09-10 SER A AC 24V-DC 5HP 15A A
ALLEN BRADLEY 100S-C30DJ14C GUARD MASTER 24V-DC SAF
ALLEN BRADLEY 100-C09ZJ10 SERIES A 24V-DC 25A CONTA
MOELLER DIL-EM-10-G 22-DIL-EM AUXILIARY CONTACT 24V-DC
ABB EHDB110 SPECTRUM DRIVE 600V-DC 110/120V-AC 110A
MCG MC1D1210 B7 24V-DC 10HP 25A AMP REVERSING DC CO
ALLEN BRADLEY 100S-C09ZJ23C GUARDMASTER 24V-DC 7.5H
CMC CLEVELAND M0-05378 ARMATURE OPTION KIT REVERSING 11
CUTLER HAMMER 9969D92G01 COIL REPLACEMENT PARTS 110
SIEMENS 3TF41 11-0AB0 24/29V-AC 18A 10HP CONTACTOR
ALLEN BRADLEY 104-C30AJ22 24V-DC 10A AMP REVERSING
SIEMENS 3TF4010-0B 1S/1NO FULL VOLTAGE AC 24V-DC 7.
ABB EH210C-1L EH SERIES 200HP 1000V-AC 120V-AC 160KW 23
EUROTHERM 7100S 25A 127V SOLID STATE CONTACTOR ENG
SQUARE D 8502SEO1 MOTOR SIZE 3 AC 120V-AC 15HP CONT
ALLEN BRADLEY GJ475 COIL REPLACEMENT PARTS 480V-AC
ALLEN BRADLEY 100-D95D11 AC 120V-AC 75HP 160A AMP C
FUJI SC-N1 3NC0T 200/220V-AC 25HP 50A AMP AC CONTAC
ALLEN BRADLEY 40410-331-52 509 CONTACT KIT SIZE 1 C
SQUARE D 9001 KA5 FINGERSAFE CONTACT BLOCK CONTACTO
ABB EHDB 520 SPECTRUM 600V-DC 110/120V-AC 520A AMP
ABB EH250G-1 3P POLE 600V-AC AC 120V-AC 250HP 350A
ALLEN BRADLEY 100-C43ZJ00 3 MAIN POLE 24V-DC 30HP 7
TELEMECANIQUE LC2D12004G6 REVERSING 120V-AC 10HP 25
TELEMECANIQUE LP2 D1201BD 7.5HP 24V-DC REVERSING CO
ALLEN BRADLEY 500-EOD 115-120V-AC 100HP 135A AMP SI
ALLEN BRADLEY 100-C23DJ10 24V-DC 15HP 30A CONTACTOR
ALLEN BRADLEY 100-C30DJ10 SER B 24V-DC 25HP 45A AMP
ALLEN BRADLEY 700-CF220ZD CONTROL RELAY AC 250V-DC
FURNAS 42CE35AG106 DEFINITE PURPOSE 208-240V-AC 15HP AC
SIEMENS 3RT1026-1AP60 SIRIUS COIL AC 400V-AC 11KW 4
ABB KZ145 FOR EH145 KIT REPLACEMENT PARTS CONTACTOR
SPRECHER+ SCHUH CA 4-5C-10 CS4-P BLOCK 24V-DC 2.3KW 12A
ALLEN BRADLEY 100-C43DJ00 3PH A 24V-DC 30HP 63A AMP
GENERAL ELECTRIC GE CR305T003 MAGNETIC 15HP 240V-AC SIZ
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